./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3424851985 <...> 3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7442") = 0 [pid 287] mkdir("./7443", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21947 attached [pid 21947] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21947] chdir("./7443") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21539 [pid 21947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21947] setpgid(0, 0) = 0 [pid 21947] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21947] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21947] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21947] write(3, "1000", 4) = 4 [pid 21947] close(3) = 0 [pid 21947] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21947] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21947] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21947] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21948 attached [pid 21948] set_robust_list(0x7f3b956fb9a0, 24 [pid 21947] <... clone3 resumed> => {parent_tid=[21540]}, 88) = 21540 [pid 21948] <... set_robust_list resumed>) = 0 [pid 21947] rt_sigprocmask(SIG_SETMASK, [], [pid 21948] rt_sigprocmask(SIG_SETMASK, [], [pid 21947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21947] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21947] <... futex resumed>) = 0 [pid 21948] <... bpf resumed>) = 3 [pid 21947] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21948] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21947] <... futex resumed>) = 0 [pid 21948] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21947] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21947] <... futex resumed>) = 0 [pid 21948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21947] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21948] <... bpf resumed>) = 4 [pid 21948] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21947] <... futex resumed>) = 0 [pid 21948] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21947] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21947] <... futex resumed>) = 0 [pid 21948] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21947] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21948] <... bpf resumed>) = 0 [pid 21947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21948] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21947] <... mmap resumed>) = 0x7f3b956ba000 [pid 21948] <... futex resumed>) = 0 [pid 21947] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 21948] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21947] <... mprotect resumed>) = 0 [pid 21947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21949 attached [pid 21949] set_robust_list(0x7f3b956da9a0, 24 [pid 21947] <... clone3 resumed> => {parent_tid=[21541]}, 88) = 21541 [pid 21949] <... set_robust_list resumed>) = 0 [pid 21947] rt_sigprocmask(SIG_SETMASK, [], [pid 21949] rt_sigprocmask(SIG_SETMASK, [], [pid 21947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21947] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21947] <... futex resumed>) = 0 [pid 21947] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21949] <... bpf resumed>) = 5 [pid 21949] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21947] <... futex resumed>) = 0 [pid 21949] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21947] close(3) = 0 [pid 21947] close(4) = 0 [pid 21947] close(5) = 0 [pid 21947] close(6) = -1 EBADF (Bad file descriptor) [pid 21947] close(7) = -1 EBADF (Bad file descriptor) [pid 21947] close(8) = -1 EBADF (Bad file descriptor) [pid 21947] close(9) = -1 EBADF (Bad file descriptor) [pid 21947] close(10) = -1 EBADF (Bad file descriptor) [pid 21947] close(11) = -1 EBADF (Bad file descriptor) [pid 21947] close(12) = -1 EBADF (Bad file descriptor) [pid 21947] close(13) = -1 EBADF (Bad file descriptor) [pid 21947] close(14) = -1 EBADF (Bad file descriptor) [pid 21947] close(15) = -1 EBADF (Bad file descriptor) [pid 21947] close(16) = -1 EBADF (Bad file descriptor) [pid 21947] close(17) = -1 EBADF (Bad file descriptor) [pid 21947] close(18) = -1 EBADF (Bad file descriptor) [pid 21947] close(19) = -1 EBADF (Bad file descriptor) [pid 21947] close(20) = -1 EBADF (Bad file descriptor) [pid 21947] close(21) = -1 EBADF (Bad file descriptor) [pid 21947] close(22) = -1 EBADF (Bad file descriptor) [pid 21947] close(23) = -1 EBADF (Bad file descriptor) [pid 21947] close(24) = -1 EBADF (Bad file descriptor) [pid 21947] close(25) = -1 EBADF (Bad file descriptor) [pid 21947] close(26) = -1 EBADF (Bad file descriptor) [pid 21947] close(27) = -1 EBADF (Bad file descriptor) [pid 21947] close(28) = -1 EBADF (Bad file descriptor) [pid 21947] close(29) = -1 EBADF (Bad file descriptor) [pid 21947] exit_group(0) = ? [pid 21949] <... futex resumed>) = ? [pid 21948] <... futex resumed>) = ? [pid 21949] +++ exited with 0 +++ [pid 21948] +++ exited with 0 +++ [pid 21947] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7443", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7443", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7443/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7443/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7443/cgroup.cpu") = 0 [pid 287] umount2("./7443/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7443/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7443/binderfs") = 0 [pid 287] umount2("./7443/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7443/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7443/cgroup") = 0 [pid 287] umount2("./7443/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7443/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7443/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7443") = 0 [pid 287] mkdir("./7444", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21950 attached [pid 21950] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21950] chdir("./7444") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21542 [pid 21950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21950] setpgid(0, 0) = 0 [pid 21950] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21950] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21950] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21950] write(3, "1000", 4) = 4 [pid 21950] close(3) = 0 [pid 21950] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21950] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21950] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21950] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21951 attached [pid 21951] set_robust_list(0x7f3b956fb9a0, 24 [pid 21950] <... clone3 resumed> => {parent_tid=[21543]}, 88) = 21543 [pid 21951] <... set_robust_list resumed>) = 0 [pid 21950] rt_sigprocmask(SIG_SETMASK, [], [pid 21951] rt_sigprocmask(SIG_SETMASK, [], [pid 21950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21950] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21950] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21951] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21950] <... futex resumed>) = 0 [pid 21951] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21950] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21950] <... futex resumed>) = 0 [pid 21951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21950] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21951] <... bpf resumed>) = 4 [pid 21951] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21950] <... futex resumed>) = 0 [pid 21951] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21950] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21950] <... futex resumed>) = 0 [pid 21951] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21950] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21951] <... bpf resumed>) = 0 [pid 21950] <... futex resumed>) = 0 [pid 21951] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21951] <... futex resumed>) = 0 [pid 21950] <... mmap resumed>) = 0x7f3b956ba000 [pid 21951] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21950] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21952 attached [pid 21952] set_robust_list(0x7f3b956da9a0, 24 [pid 21950] <... clone3 resumed> => {parent_tid=[21544]}, 88) = 21544 [pid 21952] <... set_robust_list resumed>) = 0 [pid 21950] rt_sigprocmask(SIG_SETMASK, [], [pid 21952] rt_sigprocmask(SIG_SETMASK, [], [pid 21950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21950] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21950] <... futex resumed>) = 0 [pid 21950] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21952] <... bpf resumed>) = 5 [pid 21952] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21950] <... futex resumed>) = 0 [pid 21950] close(3 [pid 21952] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21950] <... close resumed>) = 0 [pid 21950] close(4) = 0 [pid 21950] close(5) = 0 [pid 21950] close(6) = -1 EBADF (Bad file descriptor) [pid 21950] close(7) = -1 EBADF (Bad file descriptor) [pid 21950] close(8) = -1 EBADF (Bad file descriptor) [pid 21950] close(9) = -1 EBADF (Bad file descriptor) [pid 21950] close(10) = -1 EBADF (Bad file descriptor) [pid 21950] close(11) = -1 EBADF (Bad file descriptor) [pid 21950] close(12) = -1 EBADF (Bad file descriptor) [pid 21950] close(13) = -1 EBADF (Bad file descriptor) [pid 21950] close(14) = -1 EBADF (Bad file descriptor) [pid 21950] close(15) = -1 EBADF (Bad file descriptor) [pid 21950] close(16) = -1 EBADF (Bad file descriptor) [pid 21950] close(17) = -1 EBADF (Bad file descriptor) [pid 21950] close(18) = -1 EBADF (Bad file descriptor) [pid 21950] close(19) = -1 EBADF (Bad file descriptor) [pid 21950] close(20) = -1 EBADF (Bad file descriptor) [pid 21950] close(21) = -1 EBADF (Bad file descriptor) [pid 21950] close(22) = -1 EBADF (Bad file descriptor) [pid 21950] close(23) = -1 EBADF (Bad file descriptor) [pid 21950] close(24) = -1 EBADF (Bad file descriptor) [pid 21950] close(25) = -1 EBADF (Bad file descriptor) [pid 21950] close(26) = -1 EBADF (Bad file descriptor) [pid 21950] close(27) = -1 EBADF (Bad file descriptor) [pid 21950] close(28) = -1 EBADF (Bad file descriptor) [pid 21950] close(29) = -1 EBADF (Bad file descriptor) [pid 21950] exit_group(0 [pid 21951] <... futex resumed>) = ? [pid 21950] <... exit_group resumed>) = ? [pid 21952] <... futex resumed>) = ? [pid 21951] +++ exited with 0 +++ [pid 21952] +++ exited with 0 +++ [pid 21950] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7444", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7444", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7444/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7444/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7444/cgroup.cpu") = 0 [pid 287] umount2("./7444/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7444/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7444/binderfs") = 0 [pid 287] umount2("./7444/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7444/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7444/cgroup") = 0 [pid 287] umount2("./7444/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7444/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7444/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7444") = 0 [pid 287] mkdir("./7445", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21953 attached [pid 21953] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21953] chdir("./7445" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21545 [pid 21953] <... chdir resumed>) = 0 [pid 21953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21953] setpgid(0, 0) = 0 [pid 21953] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21953] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21953] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21953] write(3, "1000", 4) = 4 [pid 21953] close(3) = 0 [pid 21953] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21953] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21953] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21953] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21953] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21954 attached [pid 21954] set_robust_list(0x7f3b956fb9a0, 24 [pid 21953] <... clone3 resumed> => {parent_tid=[21546]}, 88) = 21546 [pid 21954] <... set_robust_list resumed>) = 0 [pid 21953] rt_sigprocmask(SIG_SETMASK, [], [pid 21954] rt_sigprocmask(SIG_SETMASK, [], [pid 21953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21953] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21953] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21954] <... bpf resumed>) = 3 [pid 21954] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21953] <... futex resumed>) = 0 [pid 21954] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21953] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21953] <... futex resumed>) = 0 [pid 21954] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21953] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21954] <... bpf resumed>) = 4 [pid 21954] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21953] <... futex resumed>) = 0 [pid 21954] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21953] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21953] <... futex resumed>) = 0 [pid 21954] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21953] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21954] <... bpf resumed>) = 0 [pid 21953] <... futex resumed>) = 0 [pid 21954] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21954] <... futex resumed>) = 0 [pid 21953] <... mmap resumed>) = 0x7f3b956ba000 [pid 21954] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21953] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21953] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21955 attached [pid 21955] set_robust_list(0x7f3b956da9a0, 24 [pid 21953] <... clone3 resumed> => {parent_tid=[21547]}, 88) = 21547 [pid 21955] <... set_robust_list resumed>) = 0 [pid 21953] rt_sigprocmask(SIG_SETMASK, [], [pid 21955] rt_sigprocmask(SIG_SETMASK, [], [pid 21953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21953] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21955] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21953] <... futex resumed>) = 0 [pid 21953] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21955] <... bpf resumed>) = 5 [pid 21955] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21953] <... futex resumed>) = 0 [pid 21955] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21953] close(3) = 0 [pid 21953] close(4) = 0 [pid 21953] close(5) = 0 [pid 21953] close(6) = -1 EBADF (Bad file descriptor) [pid 21953] close(7) = -1 EBADF (Bad file descriptor) [pid 21953] close(8) = -1 EBADF (Bad file descriptor) [pid 21953] close(9) = -1 EBADF (Bad file descriptor) [pid 21953] close(10) = -1 EBADF (Bad file descriptor) [pid 21953] close(11) = -1 EBADF (Bad file descriptor) [pid 21953] close(12) = -1 EBADF (Bad file descriptor) [pid 21953] close(13) = -1 EBADF (Bad file descriptor) [pid 21953] close(14) = -1 EBADF (Bad file descriptor) [pid 21953] close(15) = -1 EBADF (Bad file descriptor) [pid 21953] close(16) = -1 EBADF (Bad file descriptor) [pid 21953] close(17) = -1 EBADF (Bad file descriptor) [pid 21953] close(18) = -1 EBADF (Bad file descriptor) [pid 21953] close(19) = -1 EBADF (Bad file descriptor) [pid 21953] close(20) = -1 EBADF (Bad file descriptor) [pid 21953] close(21) = -1 EBADF (Bad file descriptor) [pid 21953] close(22) = -1 EBADF (Bad file descriptor) [pid 21953] close(23) = -1 EBADF (Bad file descriptor) [pid 21953] close(24) = -1 EBADF (Bad file descriptor) [pid 21953] close(25) = -1 EBADF (Bad file descriptor) [pid 21953] close(26) = -1 EBADF (Bad file descriptor) [pid 21953] close(27) = -1 EBADF (Bad file descriptor) [pid 21953] close(28) = -1 EBADF (Bad file descriptor) [pid 21953] close(29) = -1 EBADF (Bad file descriptor) [pid 21953] exit_group(0 [pid 21954] <... futex resumed>) = ? [pid 21953] <... exit_group resumed>) = ? [pid 21955] <... futex resumed>) = ? [pid 21954] +++ exited with 0 +++ [pid 21955] +++ exited with 0 +++ [pid 21953] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7445", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7445", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7445/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7445/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7445/cgroup.cpu") = 0 [pid 287] umount2("./7445/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7445/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7445/binderfs") = 0 [pid 287] umount2("./7445/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7445/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7445/cgroup") = 0 [pid 287] umount2("./7445/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7445/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7445/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7445") = 0 [pid 287] mkdir("./7446", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21548 ./strace-static-x86_64: Process 21956 attached [pid 21956] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21956] chdir("./7446") = 0 [pid 21956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21956] setpgid(0, 0) = 0 [pid 21956] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21956] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21956] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21956] write(3, "1000", 4) = 4 [pid 21956] close(3) = 0 [pid 21956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21956] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21956] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21956] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21957 attached [pid 21957] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 21956] <... clone3 resumed> => {parent_tid=[21549]}, 88) = 21549 [pid 21957] rt_sigprocmask(SIG_SETMASK, [], [pid 21956] rt_sigprocmask(SIG_SETMASK, [], [pid 21957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21957] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21956] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21956] <... futex resumed>) = 0 [pid 21957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21956] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21957] <... bpf resumed>) = 3 [pid 21957] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21957] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21956] <... futex resumed>) = 0 [pid 21956] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21957] <... futex resumed>) = 0 [pid 21956] <... futex resumed>) = 1 [pid 21957] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21956] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21957] <... bpf resumed>) = 4 [pid 21957] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21956] <... futex resumed>) = 0 [pid 21957] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21956] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21957] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21956] <... futex resumed>) = 0 [pid 21957] <... bpf resumed>) = 0 [pid 21957] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21956] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21957] <... futex resumed>) = 0 [pid 21957] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21956] <... futex resumed>) = 0 [pid 21956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 21956] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21958 attached [pid 21958] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21958] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21956] <... clone3 resumed> => {parent_tid=[21550]}, 88) = 21550 [pid 21956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21956] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21958] <... futex resumed>) = 0 [pid 21956] <... futex resumed>) = 1 [pid 21958] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 21956] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21958] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21958] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21956] close(3) = 0 [pid 21956] close(4) = 0 [pid 21956] close(5) = 0 [pid 21956] close(6) = -1 EBADF (Bad file descriptor) [pid 21956] close(7) = -1 EBADF (Bad file descriptor) [pid 21956] close(8) = -1 EBADF (Bad file descriptor) [pid 21956] close(9) = -1 EBADF (Bad file descriptor) [pid 21956] close(10) = -1 EBADF (Bad file descriptor) [pid 21956] close(11) = -1 EBADF (Bad file descriptor) [pid 21956] close(12) = -1 EBADF (Bad file descriptor) [pid 21956] close(13) = -1 EBADF (Bad file descriptor) [pid 21956] close(14) = -1 EBADF (Bad file descriptor) [pid 21956] close(15) = -1 EBADF (Bad file descriptor) [pid 21956] close(16) = -1 EBADF (Bad file descriptor) [pid 21956] close(17) = -1 EBADF (Bad file descriptor) [pid 21956] close(18) = -1 EBADF (Bad file descriptor) [pid 21956] close(19) = -1 EBADF (Bad file descriptor) [pid 21956] close(20) = -1 EBADF (Bad file descriptor) [pid 21956] close(21) = -1 EBADF (Bad file descriptor) [pid 21956] close(22) = -1 EBADF (Bad file descriptor) [pid 21956] close(23) = -1 EBADF (Bad file descriptor) [pid 21956] close(24) = -1 EBADF (Bad file descriptor) [pid 21956] close(25) = -1 EBADF (Bad file descriptor) [pid 21956] close(26) = -1 EBADF (Bad file descriptor) [pid 21956] close(27) = -1 EBADF (Bad file descriptor) [pid 21956] close(28) = -1 EBADF (Bad file descriptor) [pid 21956] close(29) = -1 EBADF (Bad file descriptor) [pid 21956] exit_group(0 [pid 21958] <... futex resumed>) = ? [pid 21957] <... futex resumed>) = ? [pid 21956] <... exit_group resumed>) = ? [pid 21958] +++ exited with 0 +++ [pid 21957] +++ exited with 0 +++ [pid 21956] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7446", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7446", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7446/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7446/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7446/cgroup.cpu") = 0 [pid 287] umount2("./7446/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7446/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7446/binderfs") = 0 [pid 287] umount2("./7446/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7446/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7446/cgroup") = 0 [pid 287] umount2("./7446/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7446/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7446/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7446") = 0 [pid 287] mkdir("./7447", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21959 attached [pid 21959] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21551 [pid 21959] chdir("./7447") = 0 [pid 21959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21959] setpgid(0, 0) = 0 [pid 21959] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21959] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21959] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21959] write(3, "1000", 4) = 4 [pid 21959] close(3) = 0 [pid 21959] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21959] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21959] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21959] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21959] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21960 attached [pid 21960] set_robust_list(0x7f3b956fb9a0, 24 [pid 21959] <... clone3 resumed> => {parent_tid=[21552]}, 88) = 21552 [pid 21960] <... set_robust_list resumed>) = 0 [pid 21959] rt_sigprocmask(SIG_SETMASK, [], [pid 21960] rt_sigprocmask(SIG_SETMASK, [], [pid 21959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21959] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21959] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21960] <... bpf resumed>) = 3 [pid 21960] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21959] <... futex resumed>) = 0 [pid 21960] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21959] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21959] <... futex resumed>) = 0 [pid 21960] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21959] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21960] <... bpf resumed>) = 4 [pid 21960] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21959] <... futex resumed>) = 0 [pid 21960] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21959] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21959] <... futex resumed>) = 0 [pid 21959] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21960] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21959] <... futex resumed>) = 0 [pid 21960] <... bpf resumed>) = 0 [pid 21959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21960] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21959] <... mmap resumed>) = 0x7f3b956ba000 [pid 21960] <... futex resumed>) = 0 [pid 21959] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 21960] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21959] <... mprotect resumed>) = 0 [pid 21959] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21961 attached [pid 21961] set_robust_list(0x7f3b956da9a0, 24 [pid 21959] <... clone3 resumed> => {parent_tid=[21553]}, 88) = 21553 [pid 21961] <... set_robust_list resumed>) = 0 [pid 21961] rt_sigprocmask(SIG_SETMASK, [], [pid 21959] rt_sigprocmask(SIG_SETMASK, [], [pid 21961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21961] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21959] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21961] <... futex resumed>) = 0 [pid 21959] <... futex resumed>) = 1 [pid 21961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21959] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21961] <... bpf resumed>) = 5 [pid 21961] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21961] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21959] <... futex resumed>) = 0 [pid 21959] close(3) = 0 [pid 21959] close(4) = 0 [pid 21959] close(5) = 0 [pid 21959] close(6) = -1 EBADF (Bad file descriptor) [pid 21959] close(7) = -1 EBADF (Bad file descriptor) [pid 21959] close(8) = -1 EBADF (Bad file descriptor) [pid 21959] close(9) = -1 EBADF (Bad file descriptor) [pid 21959] close(10) = -1 EBADF (Bad file descriptor) [pid 21959] close(11) = -1 EBADF (Bad file descriptor) [pid 21959] close(12) = -1 EBADF (Bad file descriptor) [pid 21959] close(13) = -1 EBADF (Bad file descriptor) [pid 21959] close(14) = -1 EBADF (Bad file descriptor) [pid 21959] close(15) = -1 EBADF (Bad file descriptor) [pid 21959] close(16) = -1 EBADF (Bad file descriptor) [pid 21959] close(17) = -1 EBADF (Bad file descriptor) [pid 21959] close(18) = -1 EBADF (Bad file descriptor) [pid 21959] close(19) = -1 EBADF (Bad file descriptor) [pid 21959] close(20) = -1 EBADF (Bad file descriptor) [pid 21959] close(21) = -1 EBADF (Bad file descriptor) [pid 21959] close(22) = -1 EBADF (Bad file descriptor) [pid 21959] close(23) = -1 EBADF (Bad file descriptor) [pid 21959] close(24) = -1 EBADF (Bad file descriptor) [pid 21959] close(25) = -1 EBADF (Bad file descriptor) [pid 21959] close(26) = -1 EBADF (Bad file descriptor) [pid 21959] close(27) = -1 EBADF (Bad file descriptor) [pid 21959] close(28) = -1 EBADF (Bad file descriptor) [pid 21959] close(29) = -1 EBADF (Bad file descriptor) [pid 21959] exit_group(0) = ? [pid 21961] <... futex resumed>) = ? [pid 21960] <... futex resumed>) = ? [pid 21960] +++ exited with 0 +++ [pid 21961] +++ exited with 0 +++ [pid 21959] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7447", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7447", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7447/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7447/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7447/cgroup.cpu") = 0 [pid 287] umount2("./7447/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7447/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7447/binderfs") = 0 [pid 287] umount2("./7447/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7447/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7447/cgroup") = 0 [pid 287] umount2("./7447/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7447/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7447/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7447") = 0 [pid 287] mkdir("./7448", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21554 ./strace-static-x86_64: Process 21962 attached [pid 21962] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21962] chdir("./7448") = 0 [pid 21962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21962] setpgid(0, 0) = 0 [pid 21962] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21962] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21962] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21962] write(3, "1000", 4) = 4 [pid 21962] close(3) = 0 [pid 21962] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21962] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21962] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21962] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21962] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21963 attached [pid 21963] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 21963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21963] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21962] <... clone3 resumed> => {parent_tid=[21555]}, 88) = 21555 [pid 21962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21962] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21963] <... futex resumed>) = 0 [pid 21962] <... futex resumed>) = 1 [pid 21963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21962] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21963] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21963] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 21962] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21963] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 21962] <... futex resumed>) = 0 [pid 21963] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21962] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21963] <... futex resumed>) = 0 [pid 21962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21963] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21962] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21962] <... futex resumed>) = 0 [pid 21963] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21962] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21963] <... bpf resumed>) = 0 [pid 21963] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21962] <... futex resumed>) = 0 [pid 21963] <... futex resumed>) = 0 [pid 21963] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 21962] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21962] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21964 attached [pid 21964] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21962] <... clone3 resumed> => {parent_tid=[21556]}, 88) = 21556 [pid 21964] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21962] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21964] <... futex resumed>) = 0 [pid 21962] <... futex resumed>) = 1 [pid 21964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 21962] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21964] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21964] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21962] close(3) = 0 [pid 21962] close(4) = 0 [pid 21962] close(5) = 0 [pid 21962] close(6) = -1 EBADF (Bad file descriptor) [pid 21962] close(7) = -1 EBADF (Bad file descriptor) [pid 21962] close(8) = -1 EBADF (Bad file descriptor) [pid 21962] close(9) = -1 EBADF (Bad file descriptor) [pid 21962] close(10) = -1 EBADF (Bad file descriptor) [pid 21962] close(11) = -1 EBADF (Bad file descriptor) [pid 21962] close(12) = -1 EBADF (Bad file descriptor) [pid 21962] close(13) = -1 EBADF (Bad file descriptor) [pid 21962] close(14) = -1 EBADF (Bad file descriptor) [pid 21962] close(15) = -1 EBADF (Bad file descriptor) [pid 21962] close(16) = -1 EBADF (Bad file descriptor) [pid 21962] close(17) = -1 EBADF (Bad file descriptor) [pid 21962] close(18) = -1 EBADF (Bad file descriptor) [pid 21962] close(19) = -1 EBADF (Bad file descriptor) [pid 21962] close(20) = -1 EBADF (Bad file descriptor) [pid 21962] close(21) = -1 EBADF (Bad file descriptor) [pid 21962] close(22) = -1 EBADF (Bad file descriptor) [pid 21962] close(23) = -1 EBADF (Bad file descriptor) [pid 21962] close(24) = -1 EBADF (Bad file descriptor) [pid 21962] close(25) = -1 EBADF (Bad file descriptor) [pid 21962] close(26) = -1 EBADF (Bad file descriptor) [pid 21962] close(27) = -1 EBADF (Bad file descriptor) [pid 21962] close(28) = -1 EBADF (Bad file descriptor) [pid 21962] close(29) = -1 EBADF (Bad file descriptor) [pid 21962] exit_group(0 [pid 21964] <... futex resumed>) = ? [pid 21963] <... futex resumed>) = ? [pid 21962] <... exit_group resumed>) = ? [pid 21964] +++ exited with 0 +++ [pid 21963] +++ exited with 0 +++ [pid 21962] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7448", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7448", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7448/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7448/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7448/cgroup.cpu") = 0 [pid 287] umount2("./7448/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7448/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7448/binderfs") = 0 [pid 287] umount2("./7448/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7448/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7448/cgroup") = 0 [pid 287] umount2("./7448/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7448/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7448/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7448") = 0 [pid 287] mkdir("./7449", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21966 attached [pid 21966] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21966] chdir("./7449") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21557 [pid 21966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21966] setpgid(0, 0) = 0 [pid 21966] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21966] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21966] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21966] write(3, "1000", 4) = 4 [pid 21966] close(3) = 0 [pid 21966] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21966] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21966] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21966] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21967 attached [pid 21967] set_robust_list(0x7f3b956fb9a0, 24 [pid 21966] <... clone3 resumed> => {parent_tid=[21558]}, 88) = 21558 [pid 21967] <... set_robust_list resumed>) = 0 [pid 21967] rt_sigprocmask(SIG_SETMASK, [], [pid 21966] rt_sigprocmask(SIG_SETMASK, [], [pid 21967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21967] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21966] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21967] <... futex resumed>) = 0 [pid 21966] <... futex resumed>) = 1 [pid 21966] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21967] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21966] <... futex resumed>) = 0 [pid 21967] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21966] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21966] <... futex resumed>) = 0 [pid 21967] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21966] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21967] <... bpf resumed>) = 4 [pid 21967] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21966] <... futex resumed>) = 0 [pid 21967] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21966] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21966] <... futex resumed>) = 0 [pid 21967] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21966] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21967] <... bpf resumed>) = 0 [pid 21966] <... futex resumed>) = 0 [pid 21967] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21967] <... futex resumed>) = 0 [pid 21966] <... mmap resumed>) = 0x7f3b956ba000 [pid 21967] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21966] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21968 attached [pid 21968] set_robust_list(0x7f3b956da9a0, 24 [pid 21966] <... clone3 resumed> => {parent_tid=[21559]}, 88) = 21559 [pid 21968] <... set_robust_list resumed>) = 0 [pid 21968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21966] rt_sigprocmask(SIG_SETMASK, [], [pid 21968] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21966] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21968] <... futex resumed>) = 0 [pid 21966] <... futex resumed>) = 1 [pid 21968] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21966] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21968] <... bpf resumed>) = 5 [pid 21968] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21966] <... futex resumed>) = 0 [pid 21968] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21966] close(3) = 0 [pid 21966] close(4) = 0 [pid 21966] close(5) = 0 [pid 21966] close(6) = -1 EBADF (Bad file descriptor) [pid 21966] close(7) = -1 EBADF (Bad file descriptor) [pid 21966] close(8) = -1 EBADF (Bad file descriptor) [pid 21966] close(9) = -1 EBADF (Bad file descriptor) [pid 21966] close(10) = -1 EBADF (Bad file descriptor) [pid 21966] close(11) = -1 EBADF (Bad file descriptor) [pid 21966] close(12) = -1 EBADF (Bad file descriptor) [pid 21966] close(13) = -1 EBADF (Bad file descriptor) [pid 21966] close(14) = -1 EBADF (Bad file descriptor) [pid 21966] close(15) = -1 EBADF (Bad file descriptor) [pid 21966] close(16) = -1 EBADF (Bad file descriptor) [pid 21966] close(17) = -1 EBADF (Bad file descriptor) [pid 21966] close(18) = -1 EBADF (Bad file descriptor) [pid 21966] close(19) = -1 EBADF (Bad file descriptor) [pid 21966] close(20) = -1 EBADF (Bad file descriptor) [pid 21966] close(21) = -1 EBADF (Bad file descriptor) [pid 21966] close(22) = -1 EBADF (Bad file descriptor) [pid 21966] close(23) = -1 EBADF (Bad file descriptor) [pid 21966] close(24) = -1 EBADF (Bad file descriptor) [pid 21966] close(25) = -1 EBADF (Bad file descriptor) [pid 21966] close(26) = -1 EBADF (Bad file descriptor) [pid 21966] close(27) = -1 EBADF (Bad file descriptor) [pid 21966] close(28) = -1 EBADF (Bad file descriptor) [pid 21966] close(29) = -1 EBADF (Bad file descriptor) [pid 21966] exit_group(0 [pid 21967] <... futex resumed>) = 231 [pid 21966] <... exit_group resumed>) = ? [pid 21968] <... futex resumed>) = ? [pid 21968] +++ exited with 0 +++ [pid 21967] +++ exited with 0 +++ [pid 21966] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7449", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7449", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7449/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7449/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7449/cgroup.cpu") = 0 [pid 287] umount2("./7449/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7449/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7449/binderfs") = 0 [pid 287] umount2("./7449/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7449/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7449/cgroup") = 0 [pid 287] umount2("./7449/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7449/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7449/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7449") = 0 [pid 287] mkdir("./7450", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21969 attached [pid 21969] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21969] chdir("./7450") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21560 [pid 21969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21969] setpgid(0, 0) = 0 [pid 21969] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21969] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21969] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21969] write(3, "1000", 4) = 4 [pid 21969] close(3) = 0 [pid 21969] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21969] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21969] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21969] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21970 attached => {parent_tid=[21561]}, 88) = 21561 [pid 21970] set_robust_list(0x7f3b956fb9a0, 24 [pid 21969] rt_sigprocmask(SIG_SETMASK, [], [pid 21970] <... set_robust_list resumed>) = 0 [pid 21969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21970] rt_sigprocmask(SIG_SETMASK, [], [pid 21969] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21969] <... futex resumed>) = 0 [pid 21969] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21970] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21969] <... futex resumed>) = 0 [pid 21970] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21969] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21969] <... futex resumed>) = 0 [pid 21970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21969] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21970] <... bpf resumed>) = 4 [pid 21970] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21969] <... futex resumed>) = 0 [pid 21970] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21969] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21969] <... futex resumed>) = 0 [pid 21970] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21969] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21970] <... bpf resumed>) = 0 [pid 21969] <... futex resumed>) = 0 [pid 21970] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21970] <... futex resumed>) = 0 [pid 21969] <... mmap resumed>) = 0x7f3b956ba000 [pid 21970] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21969] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21971 attached => {parent_tid=[21562]}, 88) = 21562 [pid 21971] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21969] rt_sigprocmask(SIG_SETMASK, [], [pid 21971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21971] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21969] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21971] <... futex resumed>) = 0 [pid 21971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21969] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21971] <... bpf resumed>) = 5 [pid 21971] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21969] <... futex resumed>) = 0 [pid 21971] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21969] close(3) = 0 [pid 21969] close(4) = 0 [pid 21969] close(5) = 0 [pid 21969] close(6) = -1 EBADF (Bad file descriptor) [pid 21969] close(7) = -1 EBADF (Bad file descriptor) [pid 21969] close(8) = -1 EBADF (Bad file descriptor) [pid 21969] close(9) = -1 EBADF (Bad file descriptor) [pid 21969] close(10) = -1 EBADF (Bad file descriptor) [pid 21969] close(11) = -1 EBADF (Bad file descriptor) [pid 21969] close(12) = -1 EBADF (Bad file descriptor) [pid 21969] close(13) = -1 EBADF (Bad file descriptor) [pid 21969] close(14) = -1 EBADF (Bad file descriptor) [pid 21969] close(15) = -1 EBADF (Bad file descriptor) [pid 21969] close(16) = -1 EBADF (Bad file descriptor) [pid 21969] close(17) = -1 EBADF (Bad file descriptor) [pid 21969] close(18) = -1 EBADF (Bad file descriptor) [pid 21969] close(19) = -1 EBADF (Bad file descriptor) [pid 21969] close(20) = -1 EBADF (Bad file descriptor) [pid 21969] close(21) = -1 EBADF (Bad file descriptor) [pid 21969] close(22) = -1 EBADF (Bad file descriptor) [pid 21969] close(23) = -1 EBADF (Bad file descriptor) [pid 21969] close(24) = -1 EBADF (Bad file descriptor) [pid 21969] close(25) = -1 EBADF (Bad file descriptor) [pid 21969] close(26) = -1 EBADF (Bad file descriptor) [pid 21969] close(27) = -1 EBADF (Bad file descriptor) [pid 21969] close(28) = -1 EBADF (Bad file descriptor) [pid 21969] close(29) = -1 EBADF (Bad file descriptor) [pid 21969] exit_group(0) = ? [pid 21970] <... futex resumed>) = ? [pid 21971] <... futex resumed>) = ? [pid 21971] +++ exited with 0 +++ [pid 21970] +++ exited with 0 +++ [pid 21969] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7450", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7450", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7450/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7450/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7450/cgroup.cpu") = 0 [pid 287] umount2("./7450/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7450/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7450/binderfs") = 0 [pid 287] umount2("./7450/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7450/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7450/cgroup") = 0 [pid 287] umount2("./7450/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7450/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7450/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7450") = 0 [pid 287] mkdir("./7451", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21563 ./strace-static-x86_64: Process 21972 attached [pid 21972] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21972] chdir("./7451") = 0 [pid 21972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21972] setpgid(0, 0) = 0 [pid 21972] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21972] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21972] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21972] write(3, "1000", 4) = 4 [pid 21972] close(3) = 0 [pid 21972] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21972] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21972] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21972] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21973 attached [pid 21973] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 21972] <... clone3 resumed> => {parent_tid=[21564]}, 88) = 21564 [pid 21973] rt_sigprocmask(SIG_SETMASK, [], [pid 21972] rt_sigprocmask(SIG_SETMASK, [], [pid 21973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21973] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21972] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21973] <... futex resumed>) = 0 [pid 21972] <... futex resumed>) = 1 [pid 21973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21972] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21973] <... bpf resumed>) = 3 [pid 21973] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21972] <... futex resumed>) = 0 [pid 21973] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 21972] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 21972] <... futex resumed>) = 0 [pid 21973] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21972] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21973] <... futex resumed>) = 0 [pid 21973] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21972] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21973] <... futex resumed>) = 0 [pid 21972] <... futex resumed>) = 1 [pid 21973] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 21972] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21973] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21972] <... futex resumed>) = 0 [pid 21973] <... futex resumed>) = 0 [pid 21972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21973] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21972] <... mmap resumed>) = 0x7f3b956ba000 [pid 21972] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21974 attached [pid 21974] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21974] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21972] <... clone3 resumed> => {parent_tid=[21565]}, 88) = 21565 [pid 21972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21972] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21974] <... futex resumed>) = 0 [pid 21972] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 21974] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21972] <... futex resumed>) = 0 [pid 21974] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21972] close(3) = 0 [pid 21972] close(4) = 0 [pid 21972] close(5) = 0 [pid 21972] close(6) = -1 EBADF (Bad file descriptor) [pid 21972] close(7) = -1 EBADF (Bad file descriptor) [pid 21972] close(8) = -1 EBADF (Bad file descriptor) [pid 21972] close(9) = -1 EBADF (Bad file descriptor) [pid 21972] close(10) = -1 EBADF (Bad file descriptor) [pid 21972] close(11) = -1 EBADF (Bad file descriptor) [pid 21972] close(12) = -1 EBADF (Bad file descriptor) [pid 21972] close(13) = -1 EBADF (Bad file descriptor) [pid 21972] close(14) = -1 EBADF (Bad file descriptor) [pid 21972] close(15) = -1 EBADF (Bad file descriptor) [pid 21972] close(16) = -1 EBADF (Bad file descriptor) [pid 21972] close(17) = -1 EBADF (Bad file descriptor) [pid 21972] close(18) = -1 EBADF (Bad file descriptor) [pid 21972] close(19) = -1 EBADF (Bad file descriptor) [pid 21972] close(20) = -1 EBADF (Bad file descriptor) [pid 21972] close(21) = -1 EBADF (Bad file descriptor) [pid 21972] close(22) = -1 EBADF (Bad file descriptor) [pid 21972] close(23) = -1 EBADF (Bad file descriptor) [pid 21972] close(24) = -1 EBADF (Bad file descriptor) [pid 21972] close(25) = -1 EBADF (Bad file descriptor) [pid 21972] close(26) = -1 EBADF (Bad file descriptor) [pid 21972] close(27) = -1 EBADF (Bad file descriptor) [pid 21972] close(28) = -1 EBADF (Bad file descriptor) [pid 21972] close(29) = -1 EBADF (Bad file descriptor) [pid 21972] exit_group(0 [pid 21974] <... futex resumed>) = ? [pid 21973] <... futex resumed>) = ? [pid 21972] <... exit_group resumed>) = ? [pid 21974] +++ exited with 0 +++ [pid 21973] +++ exited with 0 +++ [pid 21972] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7451", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7451", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7451/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7451/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7451/cgroup.cpu") = 0 [pid 287] umount2("./7451/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7451/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7451/binderfs") = 0 [pid 287] umount2("./7451/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7451/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7451/cgroup") = 0 [pid 287] umount2("./7451/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7451/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7451/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7451") = 0 [pid 287] mkdir("./7452", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21975 attached [pid 21975] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21975] chdir("./7452") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21566 [pid 21975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21975] setpgid(0, 0) = 0 [pid 21975] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21975] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21975] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21975] write(3, "1000", 4) = 4 [pid 21975] close(3) = 0 [pid 21975] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21975] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21975] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21975] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21976 attached [pid 21976] set_robust_list(0x7f3b956fb9a0, 24 [pid 21975] <... clone3 resumed> => {parent_tid=[21567]}, 88) = 21567 [pid 21976] <... set_robust_list resumed>) = 0 [pid 21975] rt_sigprocmask(SIG_SETMASK, [], [pid 21976] rt_sigprocmask(SIG_SETMASK, [], [pid 21975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21975] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21975] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21976] <... bpf resumed>) = 3 [pid 21976] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21975] <... futex resumed>) = 0 [pid 21976] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21975] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21975] <... futex resumed>) = 0 [pid 21976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21975] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21976] <... bpf resumed>) = 4 [pid 21976] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21975] <... futex resumed>) = 0 [pid 21976] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21975] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21975] <... futex resumed>) = 0 [pid 21976] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21975] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21976] <... bpf resumed>) = 0 [pid 21975] <... futex resumed>) = 0 [pid 21976] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21976] <... futex resumed>) = 0 [pid 21975] <... mmap resumed>) = 0x7f3b956ba000 [pid 21976] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21975] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21977 attached [pid 21977] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21977] rt_sigprocmask(SIG_SETMASK, [], [pid 21975] <... clone3 resumed> => {parent_tid=[21568]}, 88) = 21568 [pid 21977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21977] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21975] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21977] <... futex resumed>) = 0 [pid 21975] <... futex resumed>) = 1 [pid 21977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21975] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21977] <... bpf resumed>) = 5 [pid 21977] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21975] <... futex resumed>) = 0 [pid 21977] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21975] close(3) = 0 [pid 21975] close(4) = 0 [pid 21975] close(5) = 0 [pid 21975] close(6) = -1 EBADF (Bad file descriptor) [pid 21975] close(7) = -1 EBADF (Bad file descriptor) [pid 21975] close(8) = -1 EBADF (Bad file descriptor) [pid 21975] close(9) = -1 EBADF (Bad file descriptor) [pid 21975] close(10) = -1 EBADF (Bad file descriptor) [pid 21975] close(11) = -1 EBADF (Bad file descriptor) [pid 21975] close(12) = -1 EBADF (Bad file descriptor) [pid 21975] close(13) = -1 EBADF (Bad file descriptor) [pid 21975] close(14) = -1 EBADF (Bad file descriptor) [pid 21975] close(15) = -1 EBADF (Bad file descriptor) [pid 21975] close(16) = -1 EBADF (Bad file descriptor) [pid 21975] close(17) = -1 EBADF (Bad file descriptor) [pid 21975] close(18) = -1 EBADF (Bad file descriptor) [pid 21975] close(19) = -1 EBADF (Bad file descriptor) [pid 21975] close(20) = -1 EBADF (Bad file descriptor) [pid 21975] close(21) = -1 EBADF (Bad file descriptor) [pid 21975] close(22) = -1 EBADF (Bad file descriptor) [pid 21975] close(23) = -1 EBADF (Bad file descriptor) [pid 21975] close(24) = -1 EBADF (Bad file descriptor) [pid 21975] close(25) = -1 EBADF (Bad file descriptor) [pid 21975] close(26) = -1 EBADF (Bad file descriptor) [pid 21975] close(27) = -1 EBADF (Bad file descriptor) [pid 21975] close(28) = -1 EBADF (Bad file descriptor) [pid 21975] close(29) = -1 EBADF (Bad file descriptor) [pid 21975] exit_group(0) = ? [pid 21976] <... futex resumed>) = 231 [pid 21977] <... futex resumed>) = ? [pid 21977] +++ exited with 0 +++ [pid 21976] +++ exited with 0 +++ [pid 21975] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7452", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7452", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7452/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7452/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7452/cgroup.cpu") = 0 [pid 287] umount2("./7452/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7452/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7452/binderfs") = 0 [pid 287] umount2("./7452/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7452/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7452/cgroup") = 0 [pid 287] umount2("./7452/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7452/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7452/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7452") = 0 [pid 287] mkdir("./7453", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21978 attached [pid 21978] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21569 [pid 21978] chdir("./7453") = 0 [pid 21978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21978] setpgid(0, 0) = 0 [pid 21978] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21978] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21978] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21978] write(3, "1000", 4) = 4 [pid 21978] close(3) = 0 [pid 21978] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21978] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21978] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21978] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21979 attached [pid 21979] set_robust_list(0x7f3b956fb9a0, 24 [pid 21978] <... clone3 resumed> => {parent_tid=[21570]}, 88) = 21570 [pid 21979] <... set_robust_list resumed>) = 0 [pid 21978] rt_sigprocmask(SIG_SETMASK, [], [pid 21979] rt_sigprocmask(SIG_SETMASK, [], [pid 21978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21978] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21978] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21979] <... bpf resumed>) = 3 [pid 21979] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21978] <... futex resumed>) = 0 [pid 21979] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21978] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21978] <... futex resumed>) = 0 [pid 21979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21978] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21979] <... bpf resumed>) = 4 [pid 21979] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21978] <... futex resumed>) = 0 [pid 21979] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21978] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21978] <... futex resumed>) = 0 [pid 21979] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21978] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21979] <... bpf resumed>) = 0 [pid 21978] <... futex resumed>) = 0 [pid 21979] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21979] <... futex resumed>) = 0 [pid 21978] <... mmap resumed>) = 0x7f3b956ba000 [pid 21979] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21978] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21980 attached [pid 21980] set_robust_list(0x7f3b956da9a0, 24 [pid 21978] <... clone3 resumed> => {parent_tid=[21571]}, 88) = 21571 [pid 21980] <... set_robust_list resumed>) = 0 [pid 21980] rt_sigprocmask(SIG_SETMASK, [], [pid 21978] rt_sigprocmask(SIG_SETMASK, [], [pid 21980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21980] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21978] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21980] <... futex resumed>) = 0 [pid 21978] <... futex resumed>) = 1 [pid 21980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21978] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21980] <... bpf resumed>) = 5 [pid 21980] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21978] <... futex resumed>) = 0 [pid 21980] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21978] close(3) = 0 [pid 21978] close(4) = 0 [pid 21978] close(5) = 0 [pid 21978] close(6) = -1 EBADF (Bad file descriptor) [pid 21978] close(7) = -1 EBADF (Bad file descriptor) [pid 21978] close(8) = -1 EBADF (Bad file descriptor) [pid 21978] close(9) = -1 EBADF (Bad file descriptor) [pid 21978] close(10) = -1 EBADF (Bad file descriptor) [pid 21978] close(11) = -1 EBADF (Bad file descriptor) [pid 21978] close(12) = -1 EBADF (Bad file descriptor) [pid 21978] close(13) = -1 EBADF (Bad file descriptor) [pid 21978] close(14) = -1 EBADF (Bad file descriptor) [pid 21978] close(15) = -1 EBADF (Bad file descriptor) [pid 21978] close(16) = -1 EBADF (Bad file descriptor) [pid 21978] close(17) = -1 EBADF (Bad file descriptor) [pid 21978] close(18) = -1 EBADF (Bad file descriptor) [pid 21978] close(19) = -1 EBADF (Bad file descriptor) [pid 21978] close(20) = -1 EBADF (Bad file descriptor) [pid 21978] close(21) = -1 EBADF (Bad file descriptor) [pid 21978] close(22) = -1 EBADF (Bad file descriptor) [pid 21978] close(23) = -1 EBADF (Bad file descriptor) [pid 21978] close(24) = -1 EBADF (Bad file descriptor) [pid 21978] close(25) = -1 EBADF (Bad file descriptor) [pid 21978] close(26) = -1 EBADF (Bad file descriptor) [pid 21978] close(27) = -1 EBADF (Bad file descriptor) [pid 21978] close(28) = -1 EBADF (Bad file descriptor) [pid 21978] close(29) = -1 EBADF (Bad file descriptor) [pid 21978] exit_group(0) = ? [pid 21979] <... futex resumed>) = ? [pid 21980] <... futex resumed>) = ? [pid 21979] +++ exited with 0 +++ [pid 21980] +++ exited with 0 +++ [pid 21978] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7453", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7453", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7453/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7453/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7453/cgroup.cpu") = 0 [pid 287] umount2("./7453/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7453/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7453/binderfs") = 0 [pid 287] umount2("./7453/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7453/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7453/cgroup") = 0 [pid 287] umount2("./7453/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7453/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7453/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7453") = 0 [pid 287] mkdir("./7454", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21981 attached [pid 21981] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21981] chdir("./7454" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21572 [pid 21981] <... chdir resumed>) = 0 [pid 21981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21981] setpgid(0, 0) = 0 [pid 21981] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21981] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21981] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21981] write(3, "1000", 4) = 4 [pid 21981] close(3) = 0 [pid 21981] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21981] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21981] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21981] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21981] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21982 attached [pid 21982] set_robust_list(0x7f3b956fb9a0, 24 [pid 21981] <... clone3 resumed> => {parent_tid=[21573]}, 88) = 21573 [pid 21982] <... set_robust_list resumed>) = 0 [pid 21981] rt_sigprocmask(SIG_SETMASK, [], [pid 21982] rt_sigprocmask(SIG_SETMASK, [], [pid 21981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21981] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21981] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21982] <... bpf resumed>) = 3 [pid 21982] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21981] <... futex resumed>) = 0 [pid 21982] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21981] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21981] <... futex resumed>) = 0 [pid 21982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21981] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21982] <... bpf resumed>) = 4 [pid 21982] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21981] <... futex resumed>) = 0 [pid 21982] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21981] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21981] <... futex resumed>) = 0 [pid 21982] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21981] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21982] <... bpf resumed>) = 0 [pid 21981] <... futex resumed>) = 0 [pid 21982] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21982] <... futex resumed>) = 0 [pid 21981] <... mmap resumed>) = 0x7f3b956ba000 [pid 21981] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 21982] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21981] <... mprotect resumed>) = 0 [pid 21981] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21983 attached [pid 21983] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21983] rt_sigprocmask(SIG_SETMASK, [], [pid 21981] <... clone3 resumed> => {parent_tid=[21574]}, 88) = 21574 [pid 21983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21983] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21981] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21983] <... futex resumed>) = 0 [pid 21981] <... futex resumed>) = 1 [pid 21983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21981] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21983] <... bpf resumed>) = 5 [pid 21983] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21981] <... futex resumed>) = 0 [pid 21983] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21981] close(3) = 0 [pid 21981] close(4) = 0 [pid 21981] close(5) = 0 [pid 21981] close(6) = -1 EBADF (Bad file descriptor) [pid 21981] close(7) = -1 EBADF (Bad file descriptor) [pid 21981] close(8) = -1 EBADF (Bad file descriptor) [pid 21981] close(9) = -1 EBADF (Bad file descriptor) [pid 21981] close(10) = -1 EBADF (Bad file descriptor) [pid 21981] close(11) = -1 EBADF (Bad file descriptor) [pid 21981] close(12) = -1 EBADF (Bad file descriptor) [pid 21981] close(13) = -1 EBADF (Bad file descriptor) [pid 21981] close(14) = -1 EBADF (Bad file descriptor) [pid 21981] close(15) = -1 EBADF (Bad file descriptor) [pid 21981] close(16) = -1 EBADF (Bad file descriptor) [pid 21981] close(17) = -1 EBADF (Bad file descriptor) [pid 21981] close(18) = -1 EBADF (Bad file descriptor) [pid 21981] close(19) = -1 EBADF (Bad file descriptor) [pid 21981] close(20) = -1 EBADF (Bad file descriptor) [pid 21981] close(21) = -1 EBADF (Bad file descriptor) [pid 21981] close(22) = -1 EBADF (Bad file descriptor) [pid 21981] close(23) = -1 EBADF (Bad file descriptor) [pid 21981] close(24) = -1 EBADF (Bad file descriptor) [pid 21981] close(25) = -1 EBADF (Bad file descriptor) [pid 21981] close(26) = -1 EBADF (Bad file descriptor) [pid 21981] close(27) = -1 EBADF (Bad file descriptor) [pid 21981] close(28) = -1 EBADF (Bad file descriptor) [pid 21981] close(29) = -1 EBADF (Bad file descriptor) [pid 21981] exit_group(0 [pid 21982] <... futex resumed>) = ? [pid 21981] <... exit_group resumed>) = ? [pid 21983] <... futex resumed>) = ? [pid 21982] +++ exited with 0 +++ [pid 21983] +++ exited with 0 +++ [pid 21981] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7454", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7454", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7454/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7454/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7454/cgroup.cpu") = 0 [pid 287] umount2("./7454/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7454/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7454/binderfs") = 0 [pid 287] umount2("./7454/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7454/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7454/cgroup") = 0 [pid 287] umount2("./7454/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7454/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7454/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7454") = 0 [pid 287] mkdir("./7455", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21984 attached , child_tidptr=0x555555ae1690) = 21575 [pid 21984] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21984] chdir("./7455") = 0 [pid 21984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21984] setpgid(0, 0) = 0 [pid 21984] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21984] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21984] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21984] write(3, "1000", 4) = 4 [pid 21984] close(3) = 0 [pid 21984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21984] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21984] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21984] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21985 attached [pid 21985] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 21984] <... clone3 resumed> => {parent_tid=[21576]}, 88) = 21576 [pid 21985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21984] rt_sigprocmask(SIG_SETMASK, [], [pid 21985] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21984] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21985] <... futex resumed>) = 0 [pid 21984] <... futex resumed>) = 1 [pid 21985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21984] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21985] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21985] <... futex resumed>) = 0 [pid 21984] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21985] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21984] <... futex resumed>) = 0 [pid 21985] <... bpf resumed>) = 4 [pid 21984] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21985] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21985] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 21984] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21985] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 21984] <... futex resumed>) = 0 [pid 21985] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21984] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 21984] <... futex resumed>) = 0 [pid 21985] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21984] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21985] <... futex resumed>) = 0 [pid 21985] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21984] close(3) = 0 [pid 21984] close(4) = 0 [pid 21984] close(5) = 0 [pid 21984] close(6) = -1 EBADF (Bad file descriptor) [pid 21984] close(7) = -1 EBADF (Bad file descriptor) [pid 21984] close(8) = -1 EBADF (Bad file descriptor) [pid 21984] close(9) = -1 EBADF (Bad file descriptor) [pid 21984] close(10) = -1 EBADF (Bad file descriptor) [pid 21984] close(11) = -1 EBADF (Bad file descriptor) [pid 21984] close(12) = -1 EBADF (Bad file descriptor) [pid 21984] close(13) = -1 EBADF (Bad file descriptor) [pid 21984] close(14) = -1 EBADF (Bad file descriptor) [pid 21984] close(15) = -1 EBADF (Bad file descriptor) [pid 21984] close(16) = -1 EBADF (Bad file descriptor) [pid 21984] close(17) = -1 EBADF (Bad file descriptor) [pid 21984] close(18) = -1 EBADF (Bad file descriptor) [pid 21984] close(19) = -1 EBADF (Bad file descriptor) [pid 21984] close(20) = -1 EBADF (Bad file descriptor) [pid 21984] close(21) = -1 EBADF (Bad file descriptor) [pid 21984] close(22) = -1 EBADF (Bad file descriptor) [pid 21984] close(23) = -1 EBADF (Bad file descriptor) [pid 21984] close(24) = -1 EBADF (Bad file descriptor) [pid 21984] close(25) = -1 EBADF (Bad file descriptor) [pid 21984] close(26) = -1 EBADF (Bad file descriptor) [pid 21984] close(27) = -1 EBADF (Bad file descriptor) [pid 21984] close(28) = -1 EBADF (Bad file descriptor) [pid 21984] close(29) = -1 EBADF (Bad file descriptor) [pid 21984] exit_group(0 [pid 21985] <... futex resumed>) = ? [pid 21984] <... exit_group resumed>) = ? [pid 21985] +++ exited with 0 +++ [pid 21984] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7455", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7455", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7455/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7455/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7455/cgroup.cpu") = 0 [pid 287] umount2("./7455/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7455/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7455/binderfs") = 0 [pid 287] umount2("./7455/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7455/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7455/cgroup") = 0 [pid 287] umount2("./7455/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7455/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7455/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7455") = 0 [pid 287] mkdir("./7456", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21577 ./strace-static-x86_64: Process 21986 attached [pid 21986] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21986] chdir("./7456") = 0 [pid 21986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21986] setpgid(0, 0) = 0 [pid 21986] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21986] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21986] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21986] write(3, "1000", 4) = 4 [pid 21986] close(3) = 0 [pid 21986] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21986] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21986] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21986] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21987 attached [pid 21987] set_robust_list(0x7f3b956fb9a0, 24 [pid 21986] <... clone3 resumed> => {parent_tid=[21578]}, 88) = 21578 [pid 21987] <... set_robust_list resumed>) = 0 [pid 21986] rt_sigprocmask(SIG_SETMASK, [], [pid 21987] rt_sigprocmask(SIG_SETMASK, [], [pid 21986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21986] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21986] <... futex resumed>) = 0 [pid 21987] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21986] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21987] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21986] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21987] <... futex resumed>) = 0 [pid 21986] <... futex resumed>) = 1 [pid 21987] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 21986] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21987] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21987] <... futex resumed>) = 0 [pid 21986] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21987] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21986] <... futex resumed>) = 0 [pid 21987] <... bpf resumed>) = 0 [pid 21986] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21987] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21986] <... futex resumed>) = 0 [pid 21987] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 21986] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21988 attached [pid 21988] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21986] <... clone3 resumed> => {parent_tid=[21579]}, 88) = 21579 [pid 21988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21986] rt_sigprocmask(SIG_SETMASK, [], [pid 21988] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21986] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21988] <... futex resumed>) = 0 [pid 21986] <... futex resumed>) = 1 [pid 21988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 21986] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21988] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21988] <... futex resumed>) = 0 [pid 21986] close(3 [pid 21988] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21986] <... close resumed>) = 0 [pid 21986] close(4) = 0 [pid 21986] close(5) = 0 [pid 21986] close(6) = -1 EBADF (Bad file descriptor) [pid 21986] close(7) = -1 EBADF (Bad file descriptor) [pid 21986] close(8) = -1 EBADF (Bad file descriptor) [pid 21986] close(9) = -1 EBADF (Bad file descriptor) [pid 21986] close(10) = -1 EBADF (Bad file descriptor) [pid 21986] close(11) = -1 EBADF (Bad file descriptor) [pid 21986] close(12) = -1 EBADF (Bad file descriptor) [pid 21986] close(13) = -1 EBADF (Bad file descriptor) [pid 21986] close(14) = -1 EBADF (Bad file descriptor) [pid 21986] close(15) = -1 EBADF (Bad file descriptor) [pid 21986] close(16) = -1 EBADF (Bad file descriptor) [pid 21986] close(17) = -1 EBADF (Bad file descriptor) [pid 21986] close(18) = -1 EBADF (Bad file descriptor) [pid 21986] close(19) = -1 EBADF (Bad file descriptor) [pid 21986] close(20) = -1 EBADF (Bad file descriptor) [pid 21986] close(21) = -1 EBADF (Bad file descriptor) [pid 21986] close(22) = -1 EBADF (Bad file descriptor) [pid 21986] close(23) = -1 EBADF (Bad file descriptor) [pid 21986] close(24) = -1 EBADF (Bad file descriptor) [pid 21986] close(25) = -1 EBADF (Bad file descriptor) [pid 21986] close(26) = -1 EBADF (Bad file descriptor) [pid 21986] close(27) = -1 EBADF (Bad file descriptor) [pid 21986] close(28) = -1 EBADF (Bad file descriptor) [pid 21986] close(29) = -1 EBADF (Bad file descriptor) [pid 21986] exit_group(0 [pid 21988] <... futex resumed>) = ? [pid 21987] <... futex resumed>) = ? [pid 21986] <... exit_group resumed>) = ? [pid 21988] +++ exited with 0 +++ [pid 21987] +++ exited with 0 +++ [pid 21986] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7456", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7456", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7456/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7456/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7456/cgroup.cpu") = 0 [pid 287] umount2("./7456/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7456/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7456/binderfs") = 0 [pid 287] umount2("./7456/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7456/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7456/cgroup") = 0 [pid 287] umount2("./7456/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7456/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7456/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7456") = 0 [pid 287] mkdir("./7457", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21580 ./strace-static-x86_64: Process 21989 attached [pid 21989] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21989] chdir("./7457") = 0 [pid 21989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21989] setpgid(0, 0) = 0 [pid 21989] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21989] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21989] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21989] write(3, "1000", 4) = 4 [pid 21989] close(3) = 0 [pid 21989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21989] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21989] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21989] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21989] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21990 attached [pid 21990] set_robust_list(0x7f3b956fb9a0, 24 [pid 21989] <... clone3 resumed> => {parent_tid=[21581]}, 88) = 21581 [pid 21990] <... set_robust_list resumed>) = 0 [pid 21990] rt_sigprocmask(SIG_SETMASK, [], [pid 21989] rt_sigprocmask(SIG_SETMASK, [], [pid 21990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21990] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21989] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21990] <... futex resumed>) = 0 [pid 21989] <... futex resumed>) = 1 [pid 21990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21989] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21990] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21990] <... futex resumed>) = 0 [pid 21989] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21989] <... futex resumed>) = 0 [pid 21990] <... bpf resumed>) = 4 [pid 21989] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21990] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21990] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 21989] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21990] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 21989] <... futex resumed>) = 0 [pid 21990] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21989] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 21989] <... futex resumed>) = 0 [pid 21990] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21989] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21990] <... futex resumed>) = 0 [pid 21989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21990] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21989] close(3) = 0 [pid 21989] close(4) = 0 [pid 21989] close(5) = 0 [pid 21989] close(6) = -1 EBADF (Bad file descriptor) [pid 21989] close(7) = -1 EBADF (Bad file descriptor) [pid 21989] close(8) = -1 EBADF (Bad file descriptor) [pid 21989] close(9) = -1 EBADF (Bad file descriptor) [pid 21989] close(10) = -1 EBADF (Bad file descriptor) [pid 21989] close(11) = -1 EBADF (Bad file descriptor) [pid 21989] close(12) = -1 EBADF (Bad file descriptor) [pid 21989] close(13) = -1 EBADF (Bad file descriptor) [pid 21989] close(14) = -1 EBADF (Bad file descriptor) [pid 21989] close(15) = -1 EBADF (Bad file descriptor) [pid 21989] close(16) = -1 EBADF (Bad file descriptor) [pid 21989] close(17) = -1 EBADF (Bad file descriptor) [pid 21989] close(18) = -1 EBADF (Bad file descriptor) [pid 21989] close(19) = -1 EBADF (Bad file descriptor) [pid 21989] close(20) = -1 EBADF (Bad file descriptor) [pid 21989] close(21) = -1 EBADF (Bad file descriptor) [pid 21989] close(22) = -1 EBADF (Bad file descriptor) [pid 21989] close(23) = -1 EBADF (Bad file descriptor) [pid 21989] close(24) = -1 EBADF (Bad file descriptor) [pid 21989] close(25) = -1 EBADF (Bad file descriptor) [pid 21989] close(26) = -1 EBADF (Bad file descriptor) [pid 21989] close(27) = -1 EBADF (Bad file descriptor) [pid 21989] close(28) = -1 EBADF (Bad file descriptor) [pid 21989] close(29) = -1 EBADF (Bad file descriptor) [pid 21989] exit_group(0 [pid 21990] <... futex resumed>) = ? [pid 21989] <... exit_group resumed>) = ? [pid 21990] +++ exited with 0 +++ [pid 21989] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7457", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7457", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7457/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7457/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7457/cgroup.cpu") = 0 [pid 287] umount2("./7457/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7457/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7457/binderfs") = 0 [pid 287] umount2("./7457/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7457/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7457/cgroup") = 0 [pid 287] umount2("./7457/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7457/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7457/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7457") = 0 [pid 287] mkdir("./7458", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21582 ./strace-static-x86_64: Process 21991 attached [pid 21991] set_robust_list(0x555555ae16a0, 24) = 0 [pid 21991] chdir("./7458") = 0 [pid 21991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21991] setpgid(0, 0) = 0 [pid 21991] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21991] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21991] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21991] write(3, "1000", 4) = 4 [pid 21991] close(3) = 0 [pid 21991] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21991] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21991] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21991] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21991] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21992 attached [pid 21992] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 21991] <... clone3 resumed> => {parent_tid=[21583]}, 88) = 21583 [pid 21992] rt_sigprocmask(SIG_SETMASK, [], [pid 21991] rt_sigprocmask(SIG_SETMASK, [], [pid 21992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21992] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21991] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21992] <... futex resumed>) = 0 [pid 21991] <... futex resumed>) = 1 [pid 21992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21991] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21992] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21991] <... futex resumed>) = 0 [pid 21992] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 21991] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21992] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 21991] <... futex resumed>) = 0 [pid 21992] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21991] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21992] <... futex resumed>) = 0 [pid 21991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21992] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21991] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21991] <... futex resumed>) = 0 [pid 21992] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21991] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21992] <... bpf resumed>) = 0 [pid 21992] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21991] <... futex resumed>) = 0 [pid 21992] <... futex resumed>) = 0 [pid 21992] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 21991] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21991] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21993 attached [pid 21993] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 21991] <... clone3 resumed> => {parent_tid=[21584]}, 88) = 21584 [pid 21993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21991] rt_sigprocmask(SIG_SETMASK, [], [pid 21993] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21991] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21993] <... futex resumed>) = 0 [pid 21991] <... futex resumed>) = 1 [pid 21993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21991] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21993] <... bpf resumed>) = 5 [pid 21993] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21991] <... futex resumed>) = 0 [pid 21991] close(3) = 0 [pid 21991] close(4 [pid 21993] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21991] <... close resumed>) = 0 [pid 21991] close(5) = 0 [pid 21991] close(6) = -1 EBADF (Bad file descriptor) [pid 21991] close(7) = -1 EBADF (Bad file descriptor) [pid 21991] close(8) = -1 EBADF (Bad file descriptor) [pid 21991] close(9) = -1 EBADF (Bad file descriptor) [pid 21991] close(10) = -1 EBADF (Bad file descriptor) [pid 21991] close(11) = -1 EBADF (Bad file descriptor) [pid 21991] close(12) = -1 EBADF (Bad file descriptor) [pid 21991] close(13) = -1 EBADF (Bad file descriptor) [pid 21991] close(14) = -1 EBADF (Bad file descriptor) [pid 21991] close(15) = -1 EBADF (Bad file descriptor) [pid 21991] close(16) = -1 EBADF (Bad file descriptor) [pid 21991] close(17) = -1 EBADF (Bad file descriptor) [pid 21991] close(18) = -1 EBADF (Bad file descriptor) [pid 21991] close(19) = -1 EBADF (Bad file descriptor) [pid 21991] close(20) = -1 EBADF (Bad file descriptor) [pid 21991] close(21) = -1 EBADF (Bad file descriptor) [pid 21991] close(22) = -1 EBADF (Bad file descriptor) [pid 21991] close(23) = -1 EBADF (Bad file descriptor) [pid 21991] close(24) = -1 EBADF (Bad file descriptor) [pid 21991] close(25) = -1 EBADF (Bad file descriptor) [pid 21991] close(26) = -1 EBADF (Bad file descriptor) [pid 21991] close(27) = -1 EBADF (Bad file descriptor) [pid 21991] close(28) = -1 EBADF (Bad file descriptor) [pid 21991] close(29) = -1 EBADF (Bad file descriptor) [pid 21991] exit_group(0 [pid 21993] <... futex resumed>) = ? [pid 21992] <... futex resumed>) = ? [pid 21991] <... exit_group resumed>) = ? [pid 21993] +++ exited with 0 +++ [pid 21992] +++ exited with 0 +++ [pid 21991] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7458", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7458", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7458/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7458/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7458/cgroup.cpu") = 0 [pid 287] umount2("./7458/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7458/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7458/binderfs") = 0 [pid 287] umount2("./7458/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7458/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7458/cgroup") = 0 [pid 287] umount2("./7458/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7458/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7458/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7458") = 0 [pid 287] mkdir("./7459", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21994 attached [pid 21994] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21585 [pid 21994] chdir("./7459") = 0 [pid 21994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21994] setpgid(0, 0) = 0 [pid 21994] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21994] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21994] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21994] write(3, "1000", 4) = 4 [pid 21994] close(3) = 0 [pid 21994] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21994] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21994] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21994] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21994] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21995 attached [pid 21995] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 21994] <... clone3 resumed> => {parent_tid=[21586]}, 88) = 21586 [pid 21995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21994] rt_sigprocmask(SIG_SETMASK, [], [pid 21995] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21994] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21995] <... futex resumed>) = 0 [pid 21994] <... futex resumed>) = 1 [pid 21995] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 21994] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21995] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21995] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 21994] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21995] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 21994] <... futex resumed>) = 0 [pid 21995] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21994] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21995] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21994] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21995] <... futex resumed>) = 0 [pid 21994] <... futex resumed>) = 1 [pid 21995] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 21994] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21995] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21994] <... futex resumed>) = 0 [pid 21995] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 21994] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21994] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21996 attached [pid 21996] set_robust_list(0x7f3b956da9a0, 24 [pid 21994] <... clone3 resumed> => {parent_tid=[21587]}, 88) = 21587 [pid 21996] <... set_robust_list resumed>) = 0 [pid 21996] rt_sigprocmask(SIG_SETMASK, [], [pid 21994] rt_sigprocmask(SIG_SETMASK, [], [pid 21996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21996] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21994] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21996] <... futex resumed>) = 0 [pid 21994] <... futex resumed>) = 1 [pid 21996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 21994] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21996] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21996] <... futex resumed>) = 0 [pid 21996] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21994] close(3) = 0 [pid 21994] close(4) = 0 [pid 21994] close(5) = 0 [pid 21994] close(6) = -1 EBADF (Bad file descriptor) [pid 21994] close(7) = -1 EBADF (Bad file descriptor) [pid 21994] close(8) = -1 EBADF (Bad file descriptor) [pid 21994] close(9) = -1 EBADF (Bad file descriptor) [pid 21994] close(10) = -1 EBADF (Bad file descriptor) [pid 21994] close(11) = -1 EBADF (Bad file descriptor) [pid 21994] close(12) = -1 EBADF (Bad file descriptor) [pid 21994] close(13) = -1 EBADF (Bad file descriptor) [pid 21994] close(14) = -1 EBADF (Bad file descriptor) [pid 21994] close(15) = -1 EBADF (Bad file descriptor) [pid 21994] close(16) = -1 EBADF (Bad file descriptor) [pid 21994] close(17) = -1 EBADF (Bad file descriptor) [pid 21994] close(18) = -1 EBADF (Bad file descriptor) [pid 21994] close(19) = -1 EBADF (Bad file descriptor) [pid 21994] close(20) = -1 EBADF (Bad file descriptor) [pid 21994] close(21) = -1 EBADF (Bad file descriptor) [pid 21994] close(22) = -1 EBADF (Bad file descriptor) [pid 21994] close(23) = -1 EBADF (Bad file descriptor) [pid 21994] close(24) = -1 EBADF (Bad file descriptor) [pid 21994] close(25) = -1 EBADF (Bad file descriptor) [pid 21994] close(26) = -1 EBADF (Bad file descriptor) [pid 21994] close(27) = -1 EBADF (Bad file descriptor) [pid 21994] close(28) = -1 EBADF (Bad file descriptor) [pid 21994] close(29) = -1 EBADF (Bad file descriptor) [pid 21994] exit_group(0 [pid 21996] <... futex resumed>) = ? [pid 21995] <... futex resumed>) = ? [pid 21994] <... exit_group resumed>) = ? [pid 21996] +++ exited with 0 +++ [pid 21995] +++ exited with 0 +++ [pid 21994] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7459", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7459", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7459/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7459/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7459/cgroup.cpu") = 0 [pid 287] umount2("./7459/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7459/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7459/binderfs") = 0 [pid 287] umount2("./7459/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7459/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7459/cgroup") = 0 [pid 287] umount2("./7459/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7459/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7459/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7459") = 0 [pid 287] mkdir("./7460", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21997 attached [pid 21997] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21588 [pid 21997] chdir("./7460") = 0 [pid 21997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21997] setpgid(0, 0) = 0 [pid 21997] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 21997] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 21997] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 21997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21997] write(3, "1000", 4) = 4 [pid 21997] close(3) = 0 [pid 21997] symlink("/dev/binderfs", "./binderfs") = 0 [pid 21997] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21997] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 21997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 21997] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 21998 attached [pid 21998] set_robust_list(0x7f3b956fb9a0, 24 [pid 21997] <... clone3 resumed> => {parent_tid=[21589]}, 88) = 21589 [pid 21998] <... set_robust_list resumed>) = 0 [pid 21997] rt_sigprocmask(SIG_SETMASK, [], [pid 21998] rt_sigprocmask(SIG_SETMASK, [], [pid 21997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21997] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 21997] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21998] <... bpf resumed>) = 3 [pid 21998] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21997] <... futex resumed>) = 0 [pid 21998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 21997] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21998] <... bpf resumed>) = 4 [pid 21997] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21998] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21998] <... futex resumed>) = 0 [pid 21997] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21998] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 21997] <... futex resumed>) = 0 [pid 21998] <... bpf resumed>) = 0 [pid 21997] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 21998] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21997] <... futex resumed>) = 0 [pid 21998] <... futex resumed>) = 0 [pid 21997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 21998] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21997] <... mmap resumed>) = 0x7f3b956ba000 [pid 21997] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 21999 attached [pid 21999] set_robust_list(0x7f3b956da9a0, 24 [pid 21997] <... clone3 resumed> => {parent_tid=[21590]}, 88) = 21590 [pid 21999] <... set_robust_list resumed>) = 0 [pid 21999] rt_sigprocmask(SIG_SETMASK, [], [pid 21997] rt_sigprocmask(SIG_SETMASK, [], [pid 21999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21999] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21997] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21999] <... futex resumed>) = 0 [pid 21997] <... futex resumed>) = 1 [pid 21999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 21997] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21999] <... bpf resumed>) = 5 [pid 21999] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21997] <... futex resumed>) = 0 [pid 21999] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21997] close(3) = 0 [pid 21997] close(4) = 0 [pid 21997] close(5) = 0 [pid 21997] close(6) = -1 EBADF (Bad file descriptor) [pid 21997] close(7) = -1 EBADF (Bad file descriptor) [pid 21997] close(8) = -1 EBADF (Bad file descriptor) [pid 21997] close(9) = -1 EBADF (Bad file descriptor) [pid 21997] close(10) = -1 EBADF (Bad file descriptor) [pid 21997] close(11) = -1 EBADF (Bad file descriptor) [pid 21997] close(12) = -1 EBADF (Bad file descriptor) [pid 21997] close(13) = -1 EBADF (Bad file descriptor) [pid 21997] close(14) = -1 EBADF (Bad file descriptor) [pid 21997] close(15) = -1 EBADF (Bad file descriptor) [pid 21997] close(16) = -1 EBADF (Bad file descriptor) [pid 21997] close(17) = -1 EBADF (Bad file descriptor) [pid 21997] close(18) = -1 EBADF (Bad file descriptor) [pid 21997] close(19) = -1 EBADF (Bad file descriptor) [pid 21997] close(20) = -1 EBADF (Bad file descriptor) [pid 21997] close(21) = -1 EBADF (Bad file descriptor) [pid 21997] close(22) = -1 EBADF (Bad file descriptor) [pid 21997] close(23) = -1 EBADF (Bad file descriptor) [pid 21997] close(24) = -1 EBADF (Bad file descriptor) [pid 21997] close(25) = -1 EBADF (Bad file descriptor) [pid 21997] close(26) = -1 EBADF (Bad file descriptor) [pid 21997] close(27) = -1 EBADF (Bad file descriptor) [pid 21997] close(28) = -1 EBADF (Bad file descriptor) [pid 21997] close(29) = -1 EBADF (Bad file descriptor) [pid 21997] exit_group(0 [pid 21999] <... futex resumed>) = ? [pid 21998] <... futex resumed>) = ? [pid 21997] <... exit_group resumed>) = ? [pid 21999] +++ exited with 0 +++ [pid 21998] +++ exited with 0 +++ [pid 21997] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7460", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7460", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7460/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7460/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7460/cgroup.cpu") = 0 [pid 287] umount2("./7460/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7460/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7460/binderfs") = 0 [pid 287] umount2("./7460/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7460/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7460/cgroup") = 0 [pid 287] umount2("./7460/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7460/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7460/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7460") = 0 [pid 287] mkdir("./7461", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21591 ./strace-static-x86_64: Process 22000 attached [pid 22000] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22000] chdir("./7461") = 0 [pid 22000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22000] setpgid(0, 0) = 0 [pid 22000] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22000] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22000] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22000] write(3, "1000", 4) = 4 [pid 22000] close(3) = 0 [pid 22000] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22000] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22000] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22000] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22001 attached [pid 22001] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22000] <... clone3 resumed> => {parent_tid=[21592]}, 88) = 21592 [pid 22001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22000] rt_sigprocmask(SIG_SETMASK, [], [pid 22001] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22000] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22001] <... futex resumed>) = 0 [pid 22000] <... futex resumed>) = 1 [pid 22001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22000] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22001] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22001] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22000] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22000] <... futex resumed>) = 0 [pid 22001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22000] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22001] <... bpf resumed>) = 4 [pid 22001] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22001] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22000] <... futex resumed>) = 0 [pid 22000] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22001] <... futex resumed>) = 0 [pid 22000] <... futex resumed>) = 1 [pid 22001] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22000] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22001] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22000] <... futex resumed>) = 0 [pid 22001] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22000] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22002 attached [pid 22002] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22000] <... clone3 resumed> => {parent_tid=[21593]}, 88) = 21593 [pid 22002] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22000] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22002] <... futex resumed>) = 0 [pid 22000] <... futex resumed>) = 1 [pid 22002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22000] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22002] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22002] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22000] close(3) = 0 [pid 22000] close(4) = 0 [pid 22000] close(5) = 0 [pid 22000] close(6) = -1 EBADF (Bad file descriptor) [pid 22000] close(7) = -1 EBADF (Bad file descriptor) [pid 22000] close(8) = -1 EBADF (Bad file descriptor) [pid 22000] close(9) = -1 EBADF (Bad file descriptor) [pid 22000] close(10) = -1 EBADF (Bad file descriptor) [pid 22000] close(11) = -1 EBADF (Bad file descriptor) [pid 22000] close(12) = -1 EBADF (Bad file descriptor) [pid 22000] close(13) = -1 EBADF (Bad file descriptor) [pid 22000] close(14) = -1 EBADF (Bad file descriptor) [pid 22000] close(15) = -1 EBADF (Bad file descriptor) [pid 22000] close(16) = -1 EBADF (Bad file descriptor) [pid 22000] close(17) = -1 EBADF (Bad file descriptor) [pid 22000] close(18) = -1 EBADF (Bad file descriptor) [pid 22000] close(19) = -1 EBADF (Bad file descriptor) [pid 22000] close(20) = -1 EBADF (Bad file descriptor) [pid 22000] close(21) = -1 EBADF (Bad file descriptor) [pid 22000] close(22) = -1 EBADF (Bad file descriptor) [pid 22000] close(23) = -1 EBADF (Bad file descriptor) [pid 22000] close(24) = -1 EBADF (Bad file descriptor) [pid 22000] close(25) = -1 EBADF (Bad file descriptor) [pid 22000] close(26) = -1 EBADF (Bad file descriptor) [pid 22000] close(27) = -1 EBADF (Bad file descriptor) [pid 22000] close(28) = -1 EBADF (Bad file descriptor) [pid 22000] close(29) = -1 EBADF (Bad file descriptor) [pid 22000] exit_group(0 [pid 22002] <... futex resumed>) = ? [pid 22001] <... futex resumed>) = ? [pid 22000] <... exit_group resumed>) = ? [pid 22002] +++ exited with 0 +++ [pid 22001] +++ exited with 0 +++ [pid 22000] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7461", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7461", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7461/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7461/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7461/cgroup.cpu") = 0 [pid 287] umount2("./7461/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7461/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7461/binderfs") = 0 [pid 287] umount2("./7461/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7461/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7461/cgroup") = 0 [pid 287] umount2("./7461/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7461/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7461/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7461") = 0 [pid 287] mkdir("./7462", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22003 attached [pid 22003] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22003] chdir("./7462" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21594 [pid 22003] <... chdir resumed>) = 0 [pid 22003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22003] setpgid(0, 0) = 0 [pid 22003] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22003] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22003] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22003] write(3, "1000", 4) = 4 [pid 22003] close(3) = 0 [pid 22003] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22003] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22003] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22003] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22003] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22004 attached [pid 22004] set_robust_list(0x7f3b956fb9a0, 24 [pid 22003] <... clone3 resumed> => {parent_tid=[21595]}, 88) = 21595 [pid 22004] <... set_robust_list resumed>) = 0 [pid 22003] rt_sigprocmask(SIG_SETMASK, [], [pid 22004] rt_sigprocmask(SIG_SETMASK, [], [pid 22003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22003] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22003] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22004] <... bpf resumed>) = 3 [pid 22004] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22003] <... futex resumed>) = 0 [pid 22004] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22003] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22003] <... futex resumed>) = 0 [pid 22004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22003] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22004] <... bpf resumed>) = 4 [pid 22004] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22003] <... futex resumed>) = 0 [pid 22004] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22003] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22003] <... futex resumed>) = 0 [pid 22004] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22003] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22004] <... bpf resumed>) = 0 [pid 22003] <... futex resumed>) = 0 [pid 22004] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22004] <... futex resumed>) = 0 [pid 22003] <... mmap resumed>) = 0x7f3b956ba000 [pid 22004] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22003] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22003] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22005 attached [pid 22005] set_robust_list(0x7f3b956da9a0, 24 [pid 22003] <... clone3 resumed> => {parent_tid=[21596]}, 88) = 21596 [pid 22005] <... set_robust_list resumed>) = 0 [pid 22005] rt_sigprocmask(SIG_SETMASK, [], [pid 22003] rt_sigprocmask(SIG_SETMASK, [], [pid 22005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22005] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22003] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22005] <... futex resumed>) = 0 [pid 22003] <... futex resumed>) = 1 [pid 22005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22003] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22005] <... bpf resumed>) = 5 [pid 22005] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22003] <... futex resumed>) = 0 [pid 22005] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22003] close(3) = 0 [pid 22003] close(4) = 0 [pid 22003] close(5) = 0 [pid 22003] close(6) = -1 EBADF (Bad file descriptor) [pid 22003] close(7) = -1 EBADF (Bad file descriptor) [pid 22003] close(8) = -1 EBADF (Bad file descriptor) [pid 22003] close(9) = -1 EBADF (Bad file descriptor) [pid 22003] close(10) = -1 EBADF (Bad file descriptor) [pid 22003] close(11) = -1 EBADF (Bad file descriptor) [pid 22003] close(12) = -1 EBADF (Bad file descriptor) [pid 22003] close(13) = -1 EBADF (Bad file descriptor) [pid 22003] close(14) = -1 EBADF (Bad file descriptor) [pid 22003] close(15) = -1 EBADF (Bad file descriptor) [pid 22003] close(16) = -1 EBADF (Bad file descriptor) [pid 22003] close(17) = -1 EBADF (Bad file descriptor) [pid 22003] close(18) = -1 EBADF (Bad file descriptor) [pid 22003] close(19) = -1 EBADF (Bad file descriptor) [pid 22003] close(20) = -1 EBADF (Bad file descriptor) [pid 22003] close(21) = -1 EBADF (Bad file descriptor) [pid 22003] close(22) = -1 EBADF (Bad file descriptor) [pid 22003] close(23) = -1 EBADF (Bad file descriptor) [pid 22003] close(24) = -1 EBADF (Bad file descriptor) [pid 22003] close(25) = -1 EBADF (Bad file descriptor) [pid 22003] close(26) = -1 EBADF (Bad file descriptor) [pid 22003] close(27) = -1 EBADF (Bad file descriptor) [pid 22003] close(28) = -1 EBADF (Bad file descriptor) [pid 22003] close(29) = -1 EBADF (Bad file descriptor) [pid 22003] exit_group(0) = ? [pid 22004] <... futex resumed>) = ? [pid 22005] <... futex resumed>) = ? [pid 22005] +++ exited with 0 +++ [pid 22004] +++ exited with 0 +++ [pid 22003] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7462", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7462", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7462/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7462/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7462/cgroup.cpu") = 0 [pid 287] umount2("./7462/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7462/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7462/binderfs") = 0 [pid 287] umount2("./7462/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7462/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7462/cgroup") = 0 [pid 287] umount2("./7462/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7462/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7462/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7462") = 0 [pid 287] mkdir("./7463", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22006 attached [pid 22006] set_robust_list(0x555555ae16a0, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21597 [pid 22006] <... set_robust_list resumed>) = 0 [pid 22006] chdir("./7463") = 0 [pid 22006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22006] setpgid(0, 0) = 0 [pid 22006] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22006] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22006] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22006] write(3, "1000", 4) = 4 [pid 22006] close(3) = 0 [pid 22006] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22006] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22006] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22006] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22006] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22007 attached => {parent_tid=[21598]}, 88) = 21598 [pid 22006] rt_sigprocmask(SIG_SETMASK, [], [pid 22007] set_robust_list(0x7f3b956fb9a0, 24 [pid 22006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22007] <... set_robust_list resumed>) = 0 [pid 22006] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22007] rt_sigprocmask(SIG_SETMASK, [], [pid 22006] <... futex resumed>) = 0 [pid 22007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22006] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22007] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22006] <... futex resumed>) = 0 [pid 22007] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22006] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22006] <... futex resumed>) = 0 [pid 22007] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22006] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22007] <... bpf resumed>) = 4 [pid 22007] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22006] <... futex resumed>) = 0 [pid 22007] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22006] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22006] <... futex resumed>) = 0 [pid 22007] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22006] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22007] <... bpf resumed>) = 0 [pid 22006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22007] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22006] <... mmap resumed>) = 0x7f3b956ba000 [pid 22007] <... futex resumed>) = 0 [pid 22006] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22007] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22006] <... mprotect resumed>) = 0 [pid 22006] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22008 attached [pid 22008] set_robust_list(0x7f3b956da9a0, 24 [pid 22006] <... clone3 resumed> => {parent_tid=[21599]}, 88) = 21599 [pid 22008] <... set_robust_list resumed>) = 0 [pid 22008] rt_sigprocmask(SIG_SETMASK, [], [pid 22006] rt_sigprocmask(SIG_SETMASK, [], [pid 22008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22008] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22006] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22008] <... futex resumed>) = 0 [pid 22006] <... futex resumed>) = 1 [pid 22008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22006] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22008] <... bpf resumed>) = 5 [pid 22008] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22006] <... futex resumed>) = 0 [pid 22008] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22006] close(3) = 0 [pid 22006] close(4) = 0 [pid 22006] close(5) = 0 [pid 22006] close(6) = -1 EBADF (Bad file descriptor) [pid 22006] close(7) = -1 EBADF (Bad file descriptor) [pid 22006] close(8) = -1 EBADF (Bad file descriptor) [pid 22006] close(9) = -1 EBADF (Bad file descriptor) [pid 22006] close(10) = -1 EBADF (Bad file descriptor) [pid 22006] close(11) = -1 EBADF (Bad file descriptor) [pid 22006] close(12) = -1 EBADF (Bad file descriptor) [pid 22006] close(13) = -1 EBADF (Bad file descriptor) [pid 22006] close(14) = -1 EBADF (Bad file descriptor) [pid 22006] close(15) = -1 EBADF (Bad file descriptor) [pid 22006] close(16) = -1 EBADF (Bad file descriptor) [pid 22006] close(17) = -1 EBADF (Bad file descriptor) [pid 22006] close(18) = -1 EBADF (Bad file descriptor) [pid 22006] close(19) = -1 EBADF (Bad file descriptor) [pid 22006] close(20) = -1 EBADF (Bad file descriptor) [pid 22006] close(21) = -1 EBADF (Bad file descriptor) [pid 22006] close(22) = -1 EBADF (Bad file descriptor) [pid 22006] close(23) = -1 EBADF (Bad file descriptor) [pid 22006] close(24) = -1 EBADF (Bad file descriptor) [pid 22006] close(25) = -1 EBADF (Bad file descriptor) [pid 22006] close(26) = -1 EBADF (Bad file descriptor) [pid 22006] close(27) = -1 EBADF (Bad file descriptor) [pid 22006] close(28) = -1 EBADF (Bad file descriptor) [pid 22006] close(29) = -1 EBADF (Bad file descriptor) [pid 22006] exit_group(0) = ? [pid 22007] <... futex resumed>) = ? [pid 22008] <... futex resumed>) = ? [pid 22008] +++ exited with 0 +++ [pid 22007] +++ exited with 0 +++ [pid 22006] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7463", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7463", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7463/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7463/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7463/cgroup.cpu") = 0 [pid 287] umount2("./7463/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7463/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7463/binderfs") = 0 [pid 287] umount2("./7463/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7463/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7463/cgroup") = 0 [pid 287] umount2("./7463/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7463/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7463/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7463") = 0 [pid 287] mkdir("./7464", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22009 attached [pid 22009] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22009] chdir("./7464" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21600 [pid 22009] <... chdir resumed>) = 0 [pid 22009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22009] setpgid(0, 0) = 0 [pid 22009] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22009] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22009] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22009] write(3, "1000", 4) = 4 [pid 22009] close(3) = 0 [pid 22009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22009] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22009] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22009] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22010 attached [pid 22010] set_robust_list(0x7f3b956fb9a0, 24 [pid 22009] <... clone3 resumed> => {parent_tid=[21601]}, 88) = 21601 [pid 22010] <... set_robust_list resumed>) = 0 [pid 22009] rt_sigprocmask(SIG_SETMASK, [], [pid 22010] rt_sigprocmask(SIG_SETMASK, [], [pid 22009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22009] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22009] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22010] <... bpf resumed>) = 3 [pid 22010] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22009] <... futex resumed>) = 0 [pid 22009] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22009] <... futex resumed>) = 0 [pid 22009] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22010] <... bpf resumed>) = 4 [pid 22010] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22009] <... futex resumed>) = 0 [pid 22010] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22009] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22009] <... futex resumed>) = 0 [pid 22010] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22009] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22010] <... bpf resumed>) = 0 [pid 22009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22010] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22009] <... mmap resumed>) = 0x7f3b956ba000 [pid 22010] <... futex resumed>) = 0 [pid 22009] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22010] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22009] <... mprotect resumed>) = 0 [pid 22009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22011 attached [pid 22011] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22009] <... clone3 resumed> => {parent_tid=[21602]}, 88) = 21602 [pid 22011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22009] rt_sigprocmask(SIG_SETMASK, [], [pid 22011] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22009] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22011] <... futex resumed>) = 0 [pid 22009] <... futex resumed>) = 1 [pid 22011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22009] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22011] <... bpf resumed>) = 5 [pid 22011] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22009] <... futex resumed>) = 0 [pid 22011] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22009] close(3) = 0 [pid 22009] close(4) = 0 [pid 22009] close(5) = 0 [pid 22009] close(6) = -1 EBADF (Bad file descriptor) [pid 22009] close(7) = -1 EBADF (Bad file descriptor) [pid 22009] close(8) = -1 EBADF (Bad file descriptor) [pid 22009] close(9) = -1 EBADF (Bad file descriptor) [pid 22009] close(10) = -1 EBADF (Bad file descriptor) [pid 22009] close(11) = -1 EBADF (Bad file descriptor) [pid 22009] close(12) = -1 EBADF (Bad file descriptor) [pid 22009] close(13) = -1 EBADF (Bad file descriptor) [pid 22009] close(14) = -1 EBADF (Bad file descriptor) [pid 22009] close(15) = -1 EBADF (Bad file descriptor) [pid 22009] close(16) = -1 EBADF (Bad file descriptor) [pid 22009] close(17) = -1 EBADF (Bad file descriptor) [pid 22009] close(18) = -1 EBADF (Bad file descriptor) [pid 22009] close(19) = -1 EBADF (Bad file descriptor) [pid 22009] close(20) = -1 EBADF (Bad file descriptor) [pid 22009] close(21) = -1 EBADF (Bad file descriptor) [pid 22009] close(22) = -1 EBADF (Bad file descriptor) [pid 22009] close(23) = -1 EBADF (Bad file descriptor) [pid 22009] close(24) = -1 EBADF (Bad file descriptor) [pid 22009] close(25) = -1 EBADF (Bad file descriptor) [pid 22009] close(26) = -1 EBADF (Bad file descriptor) [pid 22009] close(27) = -1 EBADF (Bad file descriptor) [pid 22009] close(28) = -1 EBADF (Bad file descriptor) [pid 22009] close(29) = -1 EBADF (Bad file descriptor) [pid 22009] exit_group(0 [pid 22011] <... futex resumed>) = ? [pid 22010] <... futex resumed>) = ? [pid 22009] <... exit_group resumed>) = ? [pid 22011] +++ exited with 0 +++ [pid 22010] +++ exited with 0 +++ [pid 22009] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7464", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7464", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7464/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7464/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7464/cgroup.cpu") = 0 [pid 287] umount2("./7464/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7464/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7464/binderfs") = 0 [pid 287] umount2("./7464/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7464/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7464/cgroup") = 0 [pid 287] umount2("./7464/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7464/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7464/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7464") = 0 [pid 287] mkdir("./7465", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22012 attached [pid 22012] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22012] chdir("./7465") = 0 [pid 22012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22012] setpgid(0, 0) = 0 [pid 22012] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21603 [pid 22012] <... symlink resumed>) = 0 [pid 22012] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22012] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22012] write(3, "1000", 4) = 4 [pid 22012] close(3) = 0 [pid 22012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22012] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22012] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22012] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22012] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22013 attached [pid 22013] set_robust_list(0x7f3b956fb9a0, 24 [pid 22012] <... clone3 resumed> => {parent_tid=[21604]}, 88) = 21604 [pid 22013] <... set_robust_list resumed>) = 0 [pid 22012] rt_sigprocmask(SIG_SETMASK, [], [pid 22013] rt_sigprocmask(SIG_SETMASK, [], [pid 22012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22012] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22013] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22012] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22013] <... bpf resumed>) = 3 [pid 22013] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22012] <... futex resumed>) = 0 [pid 22012] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22012] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22013] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22013] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22012] <... futex resumed>) = 0 [pid 22013] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22012] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22013] <... bpf resumed>) = 0 [pid 22012] <... futex resumed>) = 0 [pid 22012] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22013] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22013] <... futex resumed>) = 0 [pid 22012] <... mmap resumed>) = 0x7f3b956ba000 [pid 22013] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22012] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22012] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[21605]}, 88) = 21605 ./strace-static-x86_64: Process 22014 attached [pid 22012] rt_sigprocmask(SIG_SETMASK, [], [pid 22014] set_robust_list(0x7f3b956da9a0, 24 [pid 22012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22014] <... set_robust_list resumed>) = 0 [pid 22012] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22014] rt_sigprocmask(SIG_SETMASK, [], [pid 22012] <... futex resumed>) = 0 [pid 22014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22012] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22014] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22012] <... futex resumed>) = 0 [pid 22014] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22012] close(3) = 0 [pid 22012] close(4) = 0 [pid 22012] close(5) = 0 [pid 22012] close(6) = -1 EBADF (Bad file descriptor) [pid 22012] close(7) = -1 EBADF (Bad file descriptor) [pid 22012] close(8) = -1 EBADF (Bad file descriptor) [pid 22012] close(9) = -1 EBADF (Bad file descriptor) [pid 22012] close(10) = -1 EBADF (Bad file descriptor) [pid 22012] close(11) = -1 EBADF (Bad file descriptor) [pid 22012] close(12) = -1 EBADF (Bad file descriptor) [pid 22012] close(13) = -1 EBADF (Bad file descriptor) [pid 22012] close(14) = -1 EBADF (Bad file descriptor) [pid 22012] close(15) = -1 EBADF (Bad file descriptor) [pid 22012] close(16) = -1 EBADF (Bad file descriptor) [pid 22012] close(17) = -1 EBADF (Bad file descriptor) [pid 22012] close(18) = -1 EBADF (Bad file descriptor) [pid 22012] close(19) = -1 EBADF (Bad file descriptor) [pid 22012] close(20) = -1 EBADF (Bad file descriptor) [pid 22012] close(21) = -1 EBADF (Bad file descriptor) [pid 22012] close(22) = -1 EBADF (Bad file descriptor) [pid 22012] close(23) = -1 EBADF (Bad file descriptor) [pid 22012] close(24) = -1 EBADF (Bad file descriptor) [pid 22012] close(25) = -1 EBADF (Bad file descriptor) [pid 22012] close(26) = -1 EBADF (Bad file descriptor) [pid 22012] close(27) = -1 EBADF (Bad file descriptor) [pid 22012] close(28) = -1 EBADF (Bad file descriptor) [pid 22012] close(29) = -1 EBADF (Bad file descriptor) [pid 22012] exit_group(0 [pid 22013] <... futex resumed>) = ? [pid 22014] <... futex resumed>) = 231 [pid 22012] <... exit_group resumed>) = ? [pid 22014] +++ exited with 0 +++ [pid 22013] +++ exited with 0 +++ [pid 22012] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7465", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7465", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7465/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7465/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7465/cgroup.cpu") = 0 [pid 287] umount2("./7465/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7465/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7465/binderfs") = 0 [pid 287] umount2("./7465/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7465/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7465/cgroup") = 0 [pid 287] umount2("./7465/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7465/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7465/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7465") = 0 [pid 287] mkdir("./7466", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21606 ./strace-static-x86_64: Process 22015 attached [pid 22015] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22015] chdir("./7466") = 0 [pid 22015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22015] setpgid(0, 0) = 0 [pid 22015] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22015] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22015] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22015] write(3, "1000", 4) = 4 [pid 22015] close(3) = 0 [pid 22015] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22015] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22015] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22015] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22016 attached [pid 22016] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22015] <... clone3 resumed> => {parent_tid=[21607]}, 88) = 21607 [pid 22016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22015] rt_sigprocmask(SIG_SETMASK, [], [pid 22016] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22015] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22016] <... futex resumed>) = 0 [pid 22015] <... futex resumed>) = 1 [pid 22016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22015] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22016] <... bpf resumed>) = 3 [pid 22016] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22015] <... futex resumed>) = 0 [pid 22016] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22015] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22016] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22015] <... futex resumed>) = 0 [pid 22016] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22016] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22015] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22015] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22016] <... futex resumed>) = 0 [pid 22015] <... futex resumed>) = 1 [pid 22016] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22015] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22016] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22015] <... futex resumed>) = 0 [pid 22016] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22015] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22017 attached [pid 22017] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22017] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22015] <... clone3 resumed> => {parent_tid=[21608]}, 88) = 21608 [pid 22015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22015] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22017] <... futex resumed>) = 0 [pid 22015] <... futex resumed>) = 1 [pid 22017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22015] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22017] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22017] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22015] close(3) = 0 [pid 22015] close(4) = 0 [pid 22015] close(5) = 0 [pid 22015] close(6) = -1 EBADF (Bad file descriptor) [pid 22015] close(7) = -1 EBADF (Bad file descriptor) [pid 22015] close(8) = -1 EBADF (Bad file descriptor) [pid 22015] close(9) = -1 EBADF (Bad file descriptor) [pid 22015] close(10) = -1 EBADF (Bad file descriptor) [pid 22015] close(11) = -1 EBADF (Bad file descriptor) [pid 22015] close(12) = -1 EBADF (Bad file descriptor) [pid 22015] close(13) = -1 EBADF (Bad file descriptor) [pid 22015] close(14) = -1 EBADF (Bad file descriptor) [pid 22015] close(15) = -1 EBADF (Bad file descriptor) [pid 22015] close(16) = -1 EBADF (Bad file descriptor) [pid 22015] close(17) = -1 EBADF (Bad file descriptor) [pid 22015] close(18) = -1 EBADF (Bad file descriptor) [pid 22015] close(19) = -1 EBADF (Bad file descriptor) [pid 22015] close(20) = -1 EBADF (Bad file descriptor) [pid 22015] close(21) = -1 EBADF (Bad file descriptor) [pid 22015] close(22) = -1 EBADF (Bad file descriptor) [pid 22015] close(23) = -1 EBADF (Bad file descriptor) [pid 22015] close(24) = -1 EBADF (Bad file descriptor) [pid 22015] close(25) = -1 EBADF (Bad file descriptor) [pid 22015] close(26) = -1 EBADF (Bad file descriptor) [pid 22015] close(27) = -1 EBADF (Bad file descriptor) [pid 22015] close(28) = -1 EBADF (Bad file descriptor) [pid 22015] close(29) = -1 EBADF (Bad file descriptor) [pid 22015] exit_group(0 [pid 22017] <... futex resumed>) = ? [pid 22016] <... futex resumed>) = ? [pid 22015] <... exit_group resumed>) = ? [pid 22017] +++ exited with 0 +++ [pid 22016] +++ exited with 0 +++ [pid 22015] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7466", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7466", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7466/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7466/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7466/cgroup.cpu") = 0 [pid 287] umount2("./7466/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7466/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7466/binderfs") = 0 [pid 287] umount2("./7466/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7466/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7466/cgroup") = 0 [pid 287] umount2("./7466/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7466/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7466/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7466") = 0 [pid 287] mkdir("./7467", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22018 attached [pid 22018] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22018] chdir("./7467") = 0 [pid 22018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22018] setpgid(0, 0) = 0 [pid 22018] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21609 [pid 22018] <... symlink resumed>) = 0 [pid 22018] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22018] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22018] write(3, "1000", 4) = 4 [pid 22018] close(3) = 0 [pid 22018] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22018] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22018] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22018] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22018] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22019 attached => {parent_tid=[21610]}, 88) = 21610 [pid 22019] set_robust_list(0x7f3b956fb9a0, 24 [pid 22018] rt_sigprocmask(SIG_SETMASK, [], [pid 22019] <... set_robust_list resumed>) = 0 [pid 22018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22019] rt_sigprocmask(SIG_SETMASK, [], [pid 22018] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22018] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22019] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22018] <... futex resumed>) = 0 [pid 22018] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22018] <... futex resumed>) = 0 [pid 22018] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22019] <... bpf resumed>) = 4 [pid 22019] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22018] <... futex resumed>) = 0 [pid 22018] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22019] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22018] <... futex resumed>) = 0 [pid 22019] <... bpf resumed>) = 0 [pid 22018] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22019] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22018] <... mmap resumed>) = 0x7f3b956ba000 [pid 22019] <... futex resumed>) = 0 [pid 22018] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22019] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22018] <... mprotect resumed>) = 0 [pid 22018] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22020 attached => {parent_tid=[21611]}, 88) = 21611 [pid 22020] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22018] rt_sigprocmask(SIG_SETMASK, [], [pid 22020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22020] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22018] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22020] <... futex resumed>) = 0 [pid 22018] <... futex resumed>) = 1 [pid 22020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22018] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22020] <... bpf resumed>) = 5 [pid 22020] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22018] <... futex resumed>) = 0 [pid 22020] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22018] close(3) = 0 [pid 22018] close(4) = 0 [pid 22018] close(5) = 0 [pid 22018] close(6) = -1 EBADF (Bad file descriptor) [pid 22018] close(7) = -1 EBADF (Bad file descriptor) [pid 22018] close(8) = -1 EBADF (Bad file descriptor) [pid 22018] close(9) = -1 EBADF (Bad file descriptor) [pid 22018] close(10) = -1 EBADF (Bad file descriptor) [pid 22018] close(11) = -1 EBADF (Bad file descriptor) [pid 22018] close(12) = -1 EBADF (Bad file descriptor) [pid 22018] close(13) = -1 EBADF (Bad file descriptor) [pid 22018] close(14) = -1 EBADF (Bad file descriptor) [pid 22018] close(15) = -1 EBADF (Bad file descriptor) [pid 22018] close(16) = -1 EBADF (Bad file descriptor) [pid 22018] close(17) = -1 EBADF (Bad file descriptor) [pid 22018] close(18) = -1 EBADF (Bad file descriptor) [pid 22018] close(19) = -1 EBADF (Bad file descriptor) [pid 22018] close(20) = -1 EBADF (Bad file descriptor) [pid 22018] close(21) = -1 EBADF (Bad file descriptor) [pid 22018] close(22) = -1 EBADF (Bad file descriptor) [pid 22018] close(23) = -1 EBADF (Bad file descriptor) [pid 22018] close(24) = -1 EBADF (Bad file descriptor) [pid 22018] close(25) = -1 EBADF (Bad file descriptor) [pid 22018] close(26) = -1 EBADF (Bad file descriptor) [pid 22018] close(27) = -1 EBADF (Bad file descriptor) [pid 22018] close(28) = -1 EBADF (Bad file descriptor) [pid 22018] close(29) = -1 EBADF (Bad file descriptor) [pid 22018] exit_group(0 [pid 22020] <... futex resumed>) = ? [pid 22018] <... exit_group resumed>) = ? [pid 22020] +++ exited with 0 +++ [pid 22019] <... futex resumed>) = ? [pid 22019] +++ exited with 0 +++ [pid 22018] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7467", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7467", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7467/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7467/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7467/cgroup.cpu") = 0 [pid 287] umount2("./7467/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7467/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7467/binderfs") = 0 [pid 287] umount2("./7467/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7467/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7467/cgroup") = 0 [pid 287] umount2("./7467/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7467/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7467/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7467") = 0 [pid 287] mkdir("./7468", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22021 attached [pid 22021] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22021] chdir("./7468" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21612 [pid 22021] <... chdir resumed>) = 0 [pid 22021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22021] setpgid(0, 0) = 0 [pid 22021] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22021] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22021] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22021] write(3, "1000", 4) = 4 [pid 22021] close(3) = 0 [pid 22021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22021] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22021] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22021] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22022 attached [pid 22022] set_robust_list(0x7f3b956fb9a0, 24 [pid 22021] <... clone3 resumed> => {parent_tid=[21613]}, 88) = 21613 [pid 22022] <... set_robust_list resumed>) = 0 [pid 22021] rt_sigprocmask(SIG_SETMASK, [], [pid 22022] rt_sigprocmask(SIG_SETMASK, [], [pid 22021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22021] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22021] <... futex resumed>) = 0 [pid 22022] <... bpf resumed>) = 3 [pid 22021] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22022] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22022] <... futex resumed>) = 0 [pid 22021] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22021] <... futex resumed>) = 0 [pid 22022] <... bpf resumed>) = 4 [pid 22021] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22022] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22022] <... futex resumed>) = 0 [pid 22021] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22022] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22021] <... futex resumed>) = 0 [pid 22022] <... bpf resumed>) = 0 [pid 22021] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22022] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22021] <... futex resumed>) = 0 [pid 22022] <... futex resumed>) = 0 [pid 22021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22022] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22021] <... mmap resumed>) = 0x7f3b956ba000 [pid 22021] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22023 attached => {parent_tid=[21614]}, 88) = 21614 [pid 22023] set_robust_list(0x7f3b956da9a0, 24 [pid 22021] rt_sigprocmask(SIG_SETMASK, [], [pid 22023] <... set_robust_list resumed>) = 0 [pid 22021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22023] rt_sigprocmask(SIG_SETMASK, [], [pid 22021] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22021] <... futex resumed>) = 0 [pid 22023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22021] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22023] <... bpf resumed>) = 5 [pid 22023] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22021] <... futex resumed>) = 0 [pid 22023] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22021] close(3) = 0 [pid 22021] close(4) = 0 [pid 22021] close(5) = 0 [pid 22021] close(6) = -1 EBADF (Bad file descriptor) [pid 22021] close(7) = -1 EBADF (Bad file descriptor) [pid 22021] close(8) = -1 EBADF (Bad file descriptor) [pid 22021] close(9) = -1 EBADF (Bad file descriptor) [pid 22021] close(10) = -1 EBADF (Bad file descriptor) [pid 22021] close(11) = -1 EBADF (Bad file descriptor) [pid 22021] close(12) = -1 EBADF (Bad file descriptor) [pid 22021] close(13) = -1 EBADF (Bad file descriptor) [pid 22021] close(14) = -1 EBADF (Bad file descriptor) [pid 22021] close(15) = -1 EBADF (Bad file descriptor) [pid 22021] close(16) = -1 EBADF (Bad file descriptor) [pid 22021] close(17) = -1 EBADF (Bad file descriptor) [pid 22021] close(18) = -1 EBADF (Bad file descriptor) [pid 22021] close(19) = -1 EBADF (Bad file descriptor) [pid 22021] close(20) = -1 EBADF (Bad file descriptor) [pid 22021] close(21) = -1 EBADF (Bad file descriptor) [pid 22021] close(22) = -1 EBADF (Bad file descriptor) [pid 22021] close(23) = -1 EBADF (Bad file descriptor) [pid 22021] close(24) = -1 EBADF (Bad file descriptor) [pid 22021] close(25) = -1 EBADF (Bad file descriptor) [pid 22021] close(26) = -1 EBADF (Bad file descriptor) [pid 22021] close(27) = -1 EBADF (Bad file descriptor) [pid 22021] close(28) = -1 EBADF (Bad file descriptor) [pid 22021] close(29) = -1 EBADF (Bad file descriptor) [pid 22021] exit_group(0 [pid 22023] <... futex resumed>) = ? [pid 22022] <... futex resumed>) = ? [pid 22021] <... exit_group resumed>) = ? [pid 22022] +++ exited with 0 +++ [pid 22023] +++ exited with 0 +++ [pid 22021] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7468", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7468", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7468/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7468/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7468/cgroup.cpu") = 0 [pid 287] umount2("./7468/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7468/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7468/binderfs") = 0 [pid 287] umount2("./7468/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7468/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7468/cgroup") = 0 [pid 287] umount2("./7468/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7468/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7468/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7468") = 0 [pid 287] mkdir("./7469", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22024 attached [pid 22024] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21615 [pid 22024] chdir("./7469") = 0 [pid 22024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22024] setpgid(0, 0) = 0 [pid 22024] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22024] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22024] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22024] write(3, "1000", 4) = 4 [pid 22024] close(3) = 0 [pid 22024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22024] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22024] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22024] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22025 attached [pid 22025] set_robust_list(0x7f3b956fb9a0, 24 [pid 22024] <... clone3 resumed> => {parent_tid=[21616]}, 88) = 21616 [pid 22024] rt_sigprocmask(SIG_SETMASK, [], [pid 22025] <... set_robust_list resumed>) = 0 [pid 22024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22025] rt_sigprocmask(SIG_SETMASK, [], [pid 22024] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22024] <... futex resumed>) = 0 [pid 22024] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22025] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22024] <... futex resumed>) = 0 [pid 22025] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22024] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22024] <... futex resumed>) = 0 [pid 22025] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22024] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22025] <... bpf resumed>) = 4 [pid 22025] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22024] <... futex resumed>) = 0 [pid 22025] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22024] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22025] <... bpf resumed>) = 0 [pid 22024] <... futex resumed>) = 0 [pid 22025] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22024] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22025] <... futex resumed>) = 0 [pid 22024] <... futex resumed>) = 0 [pid 22025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22024] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22025] <... bpf resumed>) = 5 [pid 22025] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22024] <... futex resumed>) = 0 [pid 22025] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22024] close(3) = 0 [pid 22024] close(4) = 0 [pid 22024] close(5) = 0 [pid 22024] close(6) = -1 EBADF (Bad file descriptor) [pid 22024] close(7) = -1 EBADF (Bad file descriptor) [pid 22024] close(8) = -1 EBADF (Bad file descriptor) [pid 22024] close(9) = -1 EBADF (Bad file descriptor) [pid 22024] close(10) = -1 EBADF (Bad file descriptor) [pid 22024] close(11) = -1 EBADF (Bad file descriptor) [pid 22024] close(12) = -1 EBADF (Bad file descriptor) [pid 22024] close(13) = -1 EBADF (Bad file descriptor) [pid 22024] close(14) = -1 EBADF (Bad file descriptor) [pid 22024] close(15) = -1 EBADF (Bad file descriptor) [pid 22024] close(16) = -1 EBADF (Bad file descriptor) [pid 22024] close(17) = -1 EBADF (Bad file descriptor) [pid 22024] close(18) = -1 EBADF (Bad file descriptor) [pid 22024] close(19) = -1 EBADF (Bad file descriptor) [pid 22024] close(20) = -1 EBADF (Bad file descriptor) [pid 22024] close(21) = -1 EBADF (Bad file descriptor) [pid 22024] close(22) = -1 EBADF (Bad file descriptor) [pid 22024] close(23) = -1 EBADF (Bad file descriptor) [pid 22024] close(24) = -1 EBADF (Bad file descriptor) [pid 22024] close(25) = -1 EBADF (Bad file descriptor) [pid 22024] close(26) = -1 EBADF (Bad file descriptor) [pid 22024] close(27) = -1 EBADF (Bad file descriptor) [pid 22024] close(28) = -1 EBADF (Bad file descriptor) [pid 22024] close(29) = -1 EBADF (Bad file descriptor) [pid 22024] exit_group(0) = ? [pid 22025] <... futex resumed>) = ? [pid 22025] +++ exited with 0 +++ [pid 22024] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7469", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7469", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7469/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7469/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7469/cgroup.cpu") = 0 [pid 287] umount2("./7469/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7469/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7469/binderfs") = 0 [pid 287] umount2("./7469/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7469/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7469/cgroup") = 0 [pid 287] umount2("./7469/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7469/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7469/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7469") = 0 [pid 287] mkdir("./7470", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22026 attached [pid 22026] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22026] chdir("./7470") = 0 [pid 22026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22026] setpgid(0, 0) = 0 [pid 22026] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21617 [pid 22026] <... symlink resumed>) = 0 [pid 22026] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22026] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22026] write(3, "1000", 4) = 4 [pid 22026] close(3) = 0 [pid 22026] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22026] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22026] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22026] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22026] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22027 attached [pid 22027] set_robust_list(0x7f3b956fb9a0, 24 [pid 22026] <... clone3 resumed> => {parent_tid=[21618]}, 88) = 21618 [pid 22027] <... set_robust_list resumed>) = 0 [pid 22026] rt_sigprocmask(SIG_SETMASK, [], [pid 22027] rt_sigprocmask(SIG_SETMASK, [], [pid 22026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22026] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22026] <... futex resumed>) = 0 [pid 22027] <... bpf resumed>) = 3 [pid 22026] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22027] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22027] <... futex resumed>) = 0 [pid 22026] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22026] <... futex resumed>) = 0 [pid 22027] <... bpf resumed>) = 4 [pid 22026] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22027] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22027] <... futex resumed>) = 0 [pid 22026] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22027] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22026] <... futex resumed>) = 0 [pid 22027] <... bpf resumed>) = 0 [pid 22026] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22027] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22026] <... futex resumed>) = 0 [pid 22027] <... futex resumed>) = 0 [pid 22026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22027] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22026] <... mmap resumed>) = 0x7f3b956ba000 [pid 22026] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22026] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22028 attached => {parent_tid=[21619]}, 88) = 21619 [pid 22028] set_robust_list(0x7f3b956da9a0, 24 [pid 22026] rt_sigprocmask(SIG_SETMASK, [], [pid 22028] <... set_robust_list resumed>) = 0 [pid 22026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22028] rt_sigprocmask(SIG_SETMASK, [], [pid 22026] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22026] <... futex resumed>) = 0 [pid 22028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22026] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22028] <... bpf resumed>) = 5 [pid 22028] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22026] <... futex resumed>) = 0 [pid 22028] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22026] close(3) = 0 [pid 22026] close(4) = 0 [pid 22026] close(5) = 0 [pid 22026] close(6) = -1 EBADF (Bad file descriptor) [pid 22026] close(7) = -1 EBADF (Bad file descriptor) [pid 22026] close(8) = -1 EBADF (Bad file descriptor) [pid 22026] close(9) = -1 EBADF (Bad file descriptor) [pid 22026] close(10) = -1 EBADF (Bad file descriptor) [pid 22026] close(11) = -1 EBADF (Bad file descriptor) [pid 22026] close(12) = -1 EBADF (Bad file descriptor) [pid 22026] close(13) = -1 EBADF (Bad file descriptor) [pid 22026] close(14) = -1 EBADF (Bad file descriptor) [pid 22026] close(15) = -1 EBADF (Bad file descriptor) [pid 22026] close(16) = -1 EBADF (Bad file descriptor) [pid 22026] close(17) = -1 EBADF (Bad file descriptor) [pid 22026] close(18) = -1 EBADF (Bad file descriptor) [pid 22026] close(19) = -1 EBADF (Bad file descriptor) [pid 22026] close(20) = -1 EBADF (Bad file descriptor) [pid 22026] close(21) = -1 EBADF (Bad file descriptor) [pid 22026] close(22) = -1 EBADF (Bad file descriptor) [pid 22026] close(23) = -1 EBADF (Bad file descriptor) [pid 22026] close(24) = -1 EBADF (Bad file descriptor) [pid 22026] close(25) = -1 EBADF (Bad file descriptor) [pid 22026] close(26) = -1 EBADF (Bad file descriptor) [pid 22026] close(27) = -1 EBADF (Bad file descriptor) [pid 22026] close(28) = -1 EBADF (Bad file descriptor) [pid 22026] close(29) = -1 EBADF (Bad file descriptor) [pid 22026] exit_group(0 [pid 22027] <... futex resumed>) = ? [pid 22026] <... exit_group resumed>) = ? [pid 22028] <... futex resumed>) = ? [pid 22027] +++ exited with 0 +++ [pid 22028] +++ exited with 0 +++ [pid 22026] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7470", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7470", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7470/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7470/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7470/cgroup.cpu") = 0 [pid 287] umount2("./7470/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7470/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7470/binderfs") = 0 [pid 287] umount2("./7470/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7470/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7470/cgroup") = 0 [pid 287] umount2("./7470/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7470/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7470/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7470") = 0 [pid 287] mkdir("./7471", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22029 attached [pid 22029] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22029] chdir("./7471") = 0 [pid 22029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22029] setpgid(0, 0) = 0 [pid 22029] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21620 [pid 22029] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22029] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22029] write(3, "1000", 4) = 4 [pid 22029] close(3) = 0 [pid 22029] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22029] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22029] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22029] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22030 attached => {parent_tid=[21621]}, 88) = 21621 [pid 22030] set_robust_list(0x7f3b956fb9a0, 24 [pid 22029] rt_sigprocmask(SIG_SETMASK, [], [pid 22030] <... set_robust_list resumed>) = 0 [pid 22029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22030] rt_sigprocmask(SIG_SETMASK, [], [pid 22029] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22029] <... futex resumed>) = 0 [pid 22029] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22030] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22029] <... futex resumed>) = 0 [pid 22030] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22029] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22029] <... futex resumed>) = 0 [pid 22030] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22029] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22030] <... bpf resumed>) = 4 [pid 22030] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22029] <... futex resumed>) = 0 [pid 22030] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22029] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22029] <... futex resumed>) = 0 [pid 22030] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22029] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22030] <... bpf resumed>) = 0 [pid 22029] <... futex resumed>) = 0 [pid 22030] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22030] <... futex resumed>) = 0 [pid 22029] <... mmap resumed>) = 0x7f3b956ba000 [pid 22030] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22029] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22031 attached [pid 22031] set_robust_list(0x7f3b956da9a0, 24 [pid 22029] <... clone3 resumed> => {parent_tid=[21622]}, 88) = 21622 [pid 22031] <... set_robust_list resumed>) = 0 [pid 22031] rt_sigprocmask(SIG_SETMASK, [], [pid 22029] rt_sigprocmask(SIG_SETMASK, [], [pid 22031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22031] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22029] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22031] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22029] <... futex resumed>) = 0 [pid 22029] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22031] <... bpf resumed>) = 5 [pid 22031] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22029] <... futex resumed>) = 0 [pid 22031] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22029] close(3) = 0 [pid 22029] close(4) = 0 [pid 22029] close(5) = 0 [pid 22029] close(6) = -1 EBADF (Bad file descriptor) [pid 22029] close(7) = -1 EBADF (Bad file descriptor) [pid 22029] close(8) = -1 EBADF (Bad file descriptor) [pid 22029] close(9) = -1 EBADF (Bad file descriptor) [pid 22029] close(10) = -1 EBADF (Bad file descriptor) [pid 22029] close(11) = -1 EBADF (Bad file descriptor) [pid 22029] close(12) = -1 EBADF (Bad file descriptor) [pid 22029] close(13) = -1 EBADF (Bad file descriptor) [pid 22029] close(14) = -1 EBADF (Bad file descriptor) [pid 22029] close(15) = -1 EBADF (Bad file descriptor) [pid 22029] close(16) = -1 EBADF (Bad file descriptor) [pid 22029] close(17) = -1 EBADF (Bad file descriptor) [pid 22029] close(18) = -1 EBADF (Bad file descriptor) [pid 22029] close(19) = -1 EBADF (Bad file descriptor) [pid 22029] close(20) = -1 EBADF (Bad file descriptor) [pid 22029] close(21) = -1 EBADF (Bad file descriptor) [pid 22029] close(22) = -1 EBADF (Bad file descriptor) [pid 22029] close(23) = -1 EBADF (Bad file descriptor) [pid 22029] close(24) = -1 EBADF (Bad file descriptor) [pid 22029] close(25) = -1 EBADF (Bad file descriptor) [pid 22029] close(26) = -1 EBADF (Bad file descriptor) [pid 22029] close(27) = -1 EBADF (Bad file descriptor) [pid 22029] close(28) = -1 EBADF (Bad file descriptor) [pid 22029] close(29) = -1 EBADF (Bad file descriptor) [pid 22029] exit_group(0 [pid 22030] <... futex resumed>) = ? [pid 22029] <... exit_group resumed>) = ? [pid 22030] +++ exited with 0 +++ [pid 22031] <... futex resumed>) = 231 [pid 22031] +++ exited with 0 +++ [pid 22029] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7471", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7471", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7471/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7471/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7471/cgroup.cpu") = 0 [pid 287] umount2("./7471/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7471/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7471/binderfs") = 0 [pid 287] umount2("./7471/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7471/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7471/cgroup") = 0 [pid 287] umount2("./7471/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7471/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7471/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7471") = 0 [pid 287] mkdir("./7472", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22032 attached [pid 22032] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21623 [pid 22032] chdir("./7472") = 0 [pid 22032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22032] setpgid(0, 0) = 0 [pid 22032] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22032] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22032] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22032] write(3, "1000", 4) = 4 [pid 22032] close(3) = 0 [pid 22032] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22032] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22032] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22032] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22033 attached => {parent_tid=[21624]}, 88) = 21624 [pid 22032] rt_sigprocmask(SIG_SETMASK, [], [pid 22033] set_robust_list(0x7f3b956fb9a0, 24 [pid 22032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22033] <... set_robust_list resumed>) = 0 [pid 22032] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22033] rt_sigprocmask(SIG_SETMASK, [], [pid 22032] <... futex resumed>) = 0 [pid 22033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22032] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22033] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22032] <... futex resumed>) = 0 [pid 22033] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22032] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22032] <... futex resumed>) = 0 [pid 22033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22032] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22033] <... bpf resumed>) = 4 [pid 22033] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22032] <... futex resumed>) = 0 [pid 22033] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22032] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22032] <... futex resumed>) = 0 [pid 22033] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22032] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22032] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22033] <... bpf resumed>) = 0 [pid 22032] <... mprotect resumed>) = 0 [pid 22033] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22033] <... futex resumed>) = 0 [pid 22032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22034 attached [pid 22033] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22034] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22032] <... clone3 resumed> => {parent_tid=[21625]}, 88) = 21625 [pid 22032] rt_sigprocmask(SIG_SETMASK, [], [pid 22034] rt_sigprocmask(SIG_SETMASK, [], [pid 22032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22034] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22032] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22034] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22032] <... futex resumed>) = 0 [pid 22032] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22034] <... bpf resumed>) = 5 [pid 22034] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22032] <... futex resumed>) = 0 [pid 22034] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22032] close(3) = 0 [pid 22032] close(4) = 0 [pid 22032] close(5) = 0 [pid 22032] close(6) = -1 EBADF (Bad file descriptor) [pid 22032] close(7) = -1 EBADF (Bad file descriptor) [pid 22032] close(8) = -1 EBADF (Bad file descriptor) [pid 22032] close(9) = -1 EBADF (Bad file descriptor) [pid 22032] close(10) = -1 EBADF (Bad file descriptor) [pid 22032] close(11) = -1 EBADF (Bad file descriptor) [pid 22032] close(12) = -1 EBADF (Bad file descriptor) [pid 22032] close(13) = -1 EBADF (Bad file descriptor) [pid 22032] close(14) = -1 EBADF (Bad file descriptor) [pid 22032] close(15) = -1 EBADF (Bad file descriptor) [pid 22032] close(16) = -1 EBADF (Bad file descriptor) [pid 22032] close(17) = -1 EBADF (Bad file descriptor) [pid 22032] close(18) = -1 EBADF (Bad file descriptor) [pid 22032] close(19) = -1 EBADF (Bad file descriptor) [pid 22032] close(20) = -1 EBADF (Bad file descriptor) [pid 22032] close(21) = -1 EBADF (Bad file descriptor) [pid 22032] close(22) = -1 EBADF (Bad file descriptor) [pid 22032] close(23) = -1 EBADF (Bad file descriptor) [pid 22032] close(24) = -1 EBADF (Bad file descriptor) [pid 22032] close(25) = -1 EBADF (Bad file descriptor) [pid 22032] close(26) = -1 EBADF (Bad file descriptor) [pid 22032] close(27) = -1 EBADF (Bad file descriptor) [pid 22032] close(28) = -1 EBADF (Bad file descriptor) [pid 22032] close(29) = -1 EBADF (Bad file descriptor) [pid 22032] exit_group(0 [pid 22034] <... futex resumed>) = ? [pid 22033] <... futex resumed>) = ? [pid 22032] <... exit_group resumed>) = ? [pid 22034] +++ exited with 0 +++ [pid 22033] +++ exited with 0 +++ [pid 22032] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7472", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7472", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7472/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7472/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7472/cgroup.cpu") = 0 [pid 287] umount2("./7472/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7472/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7472/binderfs") = 0 [pid 287] umount2("./7472/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7472/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7472/cgroup") = 0 [pid 287] umount2("./7472/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7472/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7472/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7472") = 0 [pid 287] mkdir("./7473", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22035 attached [pid 22035] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22035] chdir("./7473" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21626 [pid 22035] <... chdir resumed>) = 0 [pid 22035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22035] setpgid(0, 0) = 0 [pid 22035] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22035] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22035] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22035] write(3, "1000", 4) = 4 [pid 22035] close(3) = 0 [pid 22035] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22035] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22035] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22035] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22036 attached [pid 22036] set_robust_list(0x7f3b956fb9a0, 24 [pid 22035] <... clone3 resumed> => {parent_tid=[21627]}, 88) = 21627 [pid 22036] <... set_robust_list resumed>) = 0 [pid 22035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22035] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22036] rt_sigprocmask(SIG_SETMASK, [], [pid 22035] <... futex resumed>) = 0 [pid 22036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22035] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22036] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22036] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22035] <... futex resumed>) = 0 [pid 22036] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22035] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22035] <... futex resumed>) = 0 [pid 22036] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22035] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22036] <... bpf resumed>) = 4 [pid 22036] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22035] <... futex resumed>) = 0 [pid 22036] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22035] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22035] <... futex resumed>) = 0 [pid 22036] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22035] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22036] <... bpf resumed>) = 0 [pid 22035] <... futex resumed>) = 0 [pid 22036] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22035] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22036] <... futex resumed>) = 0 [pid 22035] <... mprotect resumed>) = 0 [pid 22036] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22037 attached [pid 22037] set_robust_list(0x7f3b956da9a0, 24 [pid 22035] <... clone3 resumed> => {parent_tid=[21628]}, 88) = 21628 [pid 22037] <... set_robust_list resumed>) = 0 [pid 22035] rt_sigprocmask(SIG_SETMASK, [], [pid 22037] rt_sigprocmask(SIG_SETMASK, [], [pid 22035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22035] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22035] <... futex resumed>) = 0 [pid 22037] <... bpf resumed>) = 5 [pid 22035] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22037] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22037] <... futex resumed>) = 0 [pid 22035] close(3 [pid 22037] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22035] <... close resumed>) = 0 [pid 22035] close(4) = 0 [pid 22035] close(5) = 0 [pid 22035] close(6) = -1 EBADF (Bad file descriptor) [pid 22035] close(7) = -1 EBADF (Bad file descriptor) [pid 22035] close(8) = -1 EBADF (Bad file descriptor) [pid 22035] close(9) = -1 EBADF (Bad file descriptor) [pid 22035] close(10) = -1 EBADF (Bad file descriptor) [pid 22035] close(11) = -1 EBADF (Bad file descriptor) [pid 22035] close(12) = -1 EBADF (Bad file descriptor) [pid 22035] close(13) = -1 EBADF (Bad file descriptor) [pid 22035] close(14) = -1 EBADF (Bad file descriptor) [pid 22035] close(15) = -1 EBADF (Bad file descriptor) [pid 22035] close(16) = -1 EBADF (Bad file descriptor) [pid 22035] close(17) = -1 EBADF (Bad file descriptor) [pid 22035] close(18) = -1 EBADF (Bad file descriptor) [pid 22035] close(19) = -1 EBADF (Bad file descriptor) [pid 22035] close(20) = -1 EBADF (Bad file descriptor) [pid 22035] close(21) = -1 EBADF (Bad file descriptor) [pid 22035] close(22) = -1 EBADF (Bad file descriptor) [pid 22035] close(23) = -1 EBADF (Bad file descriptor) [pid 22035] close(24) = -1 EBADF (Bad file descriptor) [pid 22035] close(25) = -1 EBADF (Bad file descriptor) [pid 22035] close(26) = -1 EBADF (Bad file descriptor) [pid 22035] close(27) = -1 EBADF (Bad file descriptor) [pid 22035] close(28) = -1 EBADF (Bad file descriptor) [pid 22035] close(29) = -1 EBADF (Bad file descriptor) [pid 22035] exit_group(0 [pid 22037] <... futex resumed>) = ? [pid 22035] <... exit_group resumed>) = ? [pid 22037] +++ exited with 0 +++ [pid 22036] <... futex resumed>) = ? [pid 22036] +++ exited with 0 +++ [pid 22035] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7473", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7473", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7473/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7473/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7473/cgroup.cpu") = 0 [pid 287] umount2("./7473/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7473/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7473/binderfs") = 0 [pid 287] umount2("./7473/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7473/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7473/cgroup") = 0 [pid 287] umount2("./7473/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7473/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7473/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7473") = 0 [pid 287] mkdir("./7474", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22038 attached [pid 22038] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22038] chdir("./7474") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21629 [pid 22038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22038] setpgid(0, 0) = 0 [pid 22038] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22038] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22038] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22038] write(3, "1000", 4) = 4 [pid 22038] close(3) = 0 [pid 22038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22038] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22038] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22038] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22039 attached [pid 22039] set_robust_list(0x7f3b956fb9a0, 24 [pid 22038] <... clone3 resumed> => {parent_tid=[21630]}, 88) = 21630 [pid 22039] <... set_robust_list resumed>) = 0 [pid 22038] rt_sigprocmask(SIG_SETMASK, [], [pid 22039] rt_sigprocmask(SIG_SETMASK, [], [pid 22038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22038] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22038] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22039] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22038] <... futex resumed>) = 0 [pid 22039] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22038] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22038] <... futex resumed>) = 0 [pid 22039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22038] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22039] <... bpf resumed>) = 4 [pid 22039] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22038] <... futex resumed>) = 0 [pid 22039] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22038] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22038] <... futex resumed>) = 0 [pid 22039] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22038] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22039] <... bpf resumed>) = 0 [pid 22038] <... futex resumed>) = 0 [pid 22038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22039] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22038] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22039] <... futex resumed>) = 0 [pid 22038] <... mprotect resumed>) = 0 [pid 22039] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22040 attached [pid 22040] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22038] <... clone3 resumed> => {parent_tid=[21631]}, 88) = 21631 [pid 22040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22038] rt_sigprocmask(SIG_SETMASK, [], [pid 22040] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22038] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22038] <... futex resumed>) = 0 [pid 22038] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22040] <... bpf resumed>) = 5 [pid 22040] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22038] <... futex resumed>) = 0 [pid 22040] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22038] close(3) = 0 [pid 22038] close(4) = 0 [pid 22038] close(5) = 0 [pid 22038] close(6) = -1 EBADF (Bad file descriptor) [pid 22038] close(7) = -1 EBADF (Bad file descriptor) [pid 22038] close(8) = -1 EBADF (Bad file descriptor) [pid 22038] close(9) = -1 EBADF (Bad file descriptor) [pid 22038] close(10) = -1 EBADF (Bad file descriptor) [pid 22038] close(11) = -1 EBADF (Bad file descriptor) [pid 22038] close(12) = -1 EBADF (Bad file descriptor) [pid 22038] close(13) = -1 EBADF (Bad file descriptor) [pid 22038] close(14) = -1 EBADF (Bad file descriptor) [pid 22038] close(15) = -1 EBADF (Bad file descriptor) [pid 22038] close(16) = -1 EBADF (Bad file descriptor) [pid 22038] close(17) = -1 EBADF (Bad file descriptor) [pid 22038] close(18) = -1 EBADF (Bad file descriptor) [pid 22038] close(19) = -1 EBADF (Bad file descriptor) [pid 22038] close(20) = -1 EBADF (Bad file descriptor) [pid 22038] close(21) = -1 EBADF (Bad file descriptor) [pid 22038] close(22) = -1 EBADF (Bad file descriptor) [pid 22038] close(23) = -1 EBADF (Bad file descriptor) [pid 22038] close(24) = -1 EBADF (Bad file descriptor) [pid 22038] close(25) = -1 EBADF (Bad file descriptor) [pid 22038] close(26) = -1 EBADF (Bad file descriptor) [pid 22038] close(27) = -1 EBADF (Bad file descriptor) [pid 22038] close(28) = -1 EBADF (Bad file descriptor) [pid 22038] close(29) = -1 EBADF (Bad file descriptor) [pid 22038] exit_group(0 [pid 22040] <... futex resumed>) = ? [pid 22039] <... futex resumed>) = ? [pid 22038] <... exit_group resumed>) = ? [pid 22040] +++ exited with 0 +++ [pid 22039] +++ exited with 0 +++ [pid 22038] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7474", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7474", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7474/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7474/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7474/cgroup.cpu") = 0 [pid 287] umount2("./7474/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7474/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7474/binderfs") = 0 [pid 287] umount2("./7474/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7474/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7474/cgroup") = 0 [pid 287] umount2("./7474/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7474/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7474/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7474") = 0 [pid 287] mkdir("./7475", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22041 attached [pid 22041] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22041] chdir("./7475") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21632 [pid 22041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22041] setpgid(0, 0) = 0 [pid 22041] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22041] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22041] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22041] write(3, "1000", 4) = 4 [pid 22041] close(3) = 0 [pid 22041] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22041] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22041] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22041] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22042 attached [pid 22042] set_robust_list(0x7f3b956fb9a0, 24 [pid 22041] <... clone3 resumed> => {parent_tid=[21633]}, 88) = 21633 [pid 22042] <... set_robust_list resumed>) = 0 [pid 22041] rt_sigprocmask(SIG_SETMASK, [], [pid 22042] rt_sigprocmask(SIG_SETMASK, [], [pid 22041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22041] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22041] <... futex resumed>) = 0 [pid 22042] <... bpf resumed>) = 3 [pid 22041] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22042] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22042] <... futex resumed>) = 0 [pid 22041] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22041] <... futex resumed>) = 0 [pid 22042] <... bpf resumed>) = 4 [pid 22041] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22042] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22042] <... futex resumed>) = 0 [pid 22041] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22042] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22041] <... futex resumed>) = 0 [pid 22042] <... bpf resumed>) = 0 [pid 22041] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22042] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22041] <... futex resumed>) = 0 [pid 22042] <... futex resumed>) = 0 [pid 22041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22042] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22041] <... mmap resumed>) = 0x7f3b956ba000 [pid 22041] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[21634]}, 88) = 21634 ./strace-static-x86_64: Process 22043 attached [pid 22041] rt_sigprocmask(SIG_SETMASK, [], [pid 22043] set_robust_list(0x7f3b956da9a0, 24 [pid 22041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22043] <... set_robust_list resumed>) = 0 [pid 22041] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22043] rt_sigprocmask(SIG_SETMASK, [], [pid 22041] <... futex resumed>) = 0 [pid 22043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22041] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22043] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22041] <... futex resumed>) = 0 [pid 22043] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22041] close(3) = 0 [pid 22041] close(4) = 0 [pid 22041] close(5) = 0 [pid 22041] close(6) = -1 EBADF (Bad file descriptor) [pid 22041] close(7) = -1 EBADF (Bad file descriptor) [pid 22041] close(8) = -1 EBADF (Bad file descriptor) [pid 22041] close(9) = -1 EBADF (Bad file descriptor) [pid 22041] close(10) = -1 EBADF (Bad file descriptor) [pid 22041] close(11) = -1 EBADF (Bad file descriptor) [pid 22041] close(12) = -1 EBADF (Bad file descriptor) [pid 22041] close(13) = -1 EBADF (Bad file descriptor) [pid 22041] close(14) = -1 EBADF (Bad file descriptor) [pid 22041] close(15) = -1 EBADF (Bad file descriptor) [pid 22041] close(16) = -1 EBADF (Bad file descriptor) [pid 22041] close(17) = -1 EBADF (Bad file descriptor) [pid 22041] close(18) = -1 EBADF (Bad file descriptor) [pid 22041] close(19) = -1 EBADF (Bad file descriptor) [pid 22041] close(20) = -1 EBADF (Bad file descriptor) [pid 22041] close(21) = -1 EBADF (Bad file descriptor) [pid 22041] close(22) = -1 EBADF (Bad file descriptor) [pid 22041] close(23) = -1 EBADF (Bad file descriptor) [pid 22041] close(24) = -1 EBADF (Bad file descriptor) [pid 22041] close(25) = -1 EBADF (Bad file descriptor) [pid 22041] close(26) = -1 EBADF (Bad file descriptor) [pid 22041] close(27) = -1 EBADF (Bad file descriptor) [pid 22041] close(28) = -1 EBADF (Bad file descriptor) [pid 22041] close(29) = -1 EBADF (Bad file descriptor) [pid 22041] exit_group(0 [pid 22043] <... futex resumed>) = ? [pid 22042] <... futex resumed>) = ? [pid 22041] <... exit_group resumed>) = ? [pid 22043] +++ exited with 0 +++ [pid 22042] +++ exited with 0 +++ [pid 22041] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7475", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7475", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7475/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7475/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7475/cgroup.cpu") = 0 [pid 287] umount2("./7475/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7475/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7475/binderfs") = 0 [pid 287] umount2("./7475/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7475/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7475/cgroup") = 0 [pid 287] umount2("./7475/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7475/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7475/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7475") = 0 [pid 287] mkdir("./7476", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22044 attached [pid 22044] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22044] chdir("./7476") = 0 [pid 22044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22044] setpgid(0, 0) = 0 [pid 22044] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21635 [pid 22044] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22044] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22044] write(3, "1000", 4) = 4 [pid 22044] close(3) = 0 [pid 22044] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22044] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22044] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22044] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[21636]}, 88) = 21636 ./strace-static-x86_64: Process 22045 attached [pid 22044] rt_sigprocmask(SIG_SETMASK, [], [pid 22045] set_robust_list(0x7f3b956fb9a0, 24 [pid 22044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22045] <... set_robust_list resumed>) = 0 [pid 22044] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22045] rt_sigprocmask(SIG_SETMASK, [], [pid 22044] <... futex resumed>) = 0 [pid 22045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22044] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22045] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22044] <... futex resumed>) = 0 [pid 22045] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22044] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22044] <... futex resumed>) = 0 [pid 22045] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22044] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22045] <... bpf resumed>) = 4 [pid 22045] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22044] <... futex resumed>) = 0 [pid 22045] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22044] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22044] <... futex resumed>) = 0 [pid 22045] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22044] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22045] <... bpf resumed>) = 0 [pid 22044] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22045] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22044] <... mprotect resumed>) = 0 [pid 22045] <... futex resumed>) = 0 [pid 22044] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22045] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22044] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22046 attached [pid 22046] set_robust_list(0x7f3b956da9a0, 24 [pid 22044] <... clone3 resumed> => {parent_tid=[21637]}, 88) = 21637 [pid 22046] <... set_robust_list resumed>) = 0 [pid 22046] rt_sigprocmask(SIG_SETMASK, [], [pid 22044] rt_sigprocmask(SIG_SETMASK, [], [pid 22046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22044] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22044] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22046] <... bpf resumed>) = 5 [pid 22046] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22044] <... futex resumed>) = 0 [pid 22046] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22044] close(3) = 0 [pid 22044] close(4) = 0 [pid 22044] close(5) = 0 [pid 22044] close(6) = -1 EBADF (Bad file descriptor) [pid 22044] close(7) = -1 EBADF (Bad file descriptor) [pid 22044] close(8) = -1 EBADF (Bad file descriptor) [pid 22044] close(9) = -1 EBADF (Bad file descriptor) [pid 22044] close(10) = -1 EBADF (Bad file descriptor) [pid 22044] close(11) = -1 EBADF (Bad file descriptor) [pid 22044] close(12) = -1 EBADF (Bad file descriptor) [pid 22044] close(13) = -1 EBADF (Bad file descriptor) [pid 22044] close(14) = -1 EBADF (Bad file descriptor) [pid 22044] close(15) = -1 EBADF (Bad file descriptor) [pid 22044] close(16) = -1 EBADF (Bad file descriptor) [pid 22044] close(17) = -1 EBADF (Bad file descriptor) [pid 22044] close(18) = -1 EBADF (Bad file descriptor) [pid 22044] close(19) = -1 EBADF (Bad file descriptor) [pid 22044] close(20) = -1 EBADF (Bad file descriptor) [pid 22044] close(21) = -1 EBADF (Bad file descriptor) [pid 22044] close(22) = -1 EBADF (Bad file descriptor) [pid 22044] close(23) = -1 EBADF (Bad file descriptor) [pid 22044] close(24) = -1 EBADF (Bad file descriptor) [pid 22044] close(25) = -1 EBADF (Bad file descriptor) [pid 22044] close(26) = -1 EBADF (Bad file descriptor) [pid 22044] close(27) = -1 EBADF (Bad file descriptor) [pid 22044] close(28) = -1 EBADF (Bad file descriptor) [pid 22044] close(29) = -1 EBADF (Bad file descriptor) [pid 22044] exit_group(0 [pid 22046] <... futex resumed>) = ? [pid 22045] <... futex resumed>) = ? [pid 22044] <... exit_group resumed>) = ? [pid 22046] +++ exited with 0 +++ [pid 22045] +++ exited with 0 +++ [pid 22044] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7476", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7476", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7476/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7476/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7476/cgroup.cpu") = 0 [pid 287] umount2("./7476/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7476/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7476/binderfs") = 0 [pid 287] umount2("./7476/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7476/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7476/cgroup") = 0 [pid 287] umount2("./7476/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7476/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7476/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7476") = 0 [pid 287] mkdir("./7477", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22047 attached [pid 22047] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21638 [pid 22047] chdir("./7477") = 0 [pid 22047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22047] setpgid(0, 0) = 0 [pid 22047] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22047] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22047] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22047] write(3, "1000", 4) = 4 [pid 22047] close(3) = 0 [pid 22047] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22047] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22047] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22047] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22048 attached [pid 22048] set_robust_list(0x7f3b956fb9a0, 24 [pid 22047] <... clone3 resumed> => {parent_tid=[21639]}, 88) = 21639 [pid 22048] <... set_robust_list resumed>) = 0 [pid 22047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22047] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22048] rt_sigprocmask(SIG_SETMASK, [], [pid 22047] <... futex resumed>) = 0 [pid 22048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22047] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22048] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22047] <... futex resumed>) = 0 [pid 22048] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22047] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22047] <... futex resumed>) = 0 [pid 22048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22047] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22048] <... bpf resumed>) = 4 [pid 22048] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22047] <... futex resumed>) = 0 [pid 22048] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22047] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22047] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22048] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22047] <... futex resumed>) = 0 [pid 22047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22048] <... bpf resumed>) = 0 [pid 22047] <... mmap resumed>) = 0x7f3b956ba000 [pid 22048] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22047] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22048] <... futex resumed>) = 0 [pid 22047] <... mprotect resumed>) = 0 [pid 22047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22048] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22049 attached => {parent_tid=[21640]}, 88) = 21640 [pid 22049] set_robust_list(0x7f3b956da9a0, 24 [pid 22047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22049] <... set_robust_list resumed>) = 0 [pid 22047] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22047] <... futex resumed>) = 0 [pid 22049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22047] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22049] <... bpf resumed>) = 5 [pid 22049] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22047] <... futex resumed>) = 0 [pid 22049] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22047] close(3) = 0 [pid 22047] close(4) = 0 [pid 22047] close(5) = 0 [pid 22047] close(6) = -1 EBADF (Bad file descriptor) [pid 22047] close(7) = -1 EBADF (Bad file descriptor) [pid 22047] close(8) = -1 EBADF (Bad file descriptor) [pid 22047] close(9) = -1 EBADF (Bad file descriptor) [pid 22047] close(10) = -1 EBADF (Bad file descriptor) [pid 22047] close(11) = -1 EBADF (Bad file descriptor) [pid 22047] close(12) = -1 EBADF (Bad file descriptor) [pid 22047] close(13) = -1 EBADF (Bad file descriptor) [pid 22047] close(14) = -1 EBADF (Bad file descriptor) [pid 22047] close(15) = -1 EBADF (Bad file descriptor) [pid 22047] close(16) = -1 EBADF (Bad file descriptor) [pid 22047] close(17) = -1 EBADF (Bad file descriptor) [pid 22047] close(18) = -1 EBADF (Bad file descriptor) [pid 22047] close(19) = -1 EBADF (Bad file descriptor) [pid 22047] close(20) = -1 EBADF (Bad file descriptor) [pid 22047] close(21) = -1 EBADF (Bad file descriptor) [pid 22047] close(22) = -1 EBADF (Bad file descriptor) [pid 22047] close(23) = -1 EBADF (Bad file descriptor) [pid 22047] close(24) = -1 EBADF (Bad file descriptor) [pid 22047] close(25) = -1 EBADF (Bad file descriptor) [pid 22047] close(26) = -1 EBADF (Bad file descriptor) [pid 22047] close(27) = -1 EBADF (Bad file descriptor) [pid 22047] close(28) = -1 EBADF (Bad file descriptor) [pid 22047] close(29) = -1 EBADF (Bad file descriptor) [pid 22047] exit_group(0 [pid 22049] <... futex resumed>) = ? [pid 22048] <... futex resumed>) = ? [pid 22047] <... exit_group resumed>) = ? [pid 22049] +++ exited with 0 +++ [pid 22048] +++ exited with 0 +++ [pid 22047] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7477", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7477", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7477/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7477/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7477/cgroup.cpu") = 0 [pid 287] umount2("./7477/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7477/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7477/binderfs") = 0 [pid 287] umount2("./7477/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7477/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7477/cgroup") = 0 [pid 287] umount2("./7477/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7477/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7477/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7477") = 0 [pid 287] mkdir("./7478", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22050 attached [pid 22050] set_robust_list(0x555555ae16a0, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21641 [pid 22050] <... set_robust_list resumed>) = 0 [pid 22050] chdir("./7478") = 0 [pid 22050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22050] setpgid(0, 0) = 0 [pid 22050] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22050] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22050] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22050] write(3, "1000", 4) = 4 [pid 22050] close(3) = 0 [pid 22050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22050] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22050] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22050] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22051 attached [pid 22051] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22050] <... clone3 resumed> => {parent_tid=[21642]}, 88) = 21642 [pid 22051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22050] rt_sigprocmask(SIG_SETMASK, [], [pid 22051] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22050] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22051] <... futex resumed>) = 0 [pid 22050] <... futex resumed>) = 1 [pid 22051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22050] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22051] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22050] <... futex resumed>) = 0 [pid 22050] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22051] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22050] <... futex resumed>) = 0 [pid 22051] <... bpf resumed>) = 4 [pid 22050] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22051] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22050] <... futex resumed>) = 0 [pid 22051] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22050] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22051] <... bpf resumed>) = 0 [pid 22050] <... futex resumed>) = 0 [pid 22051] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22050] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22051] <... futex resumed>) = 0 [pid 22051] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22050] <... futex resumed>) = 0 [pid 22050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22050] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22052 attached [pid 22052] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22052] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22050] <... clone3 resumed> => {parent_tid=[21643]}, 88) = 21643 [pid 22050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22050] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22052] <... futex resumed>) = 0 [pid 22050] <... futex resumed>) = 1 [pid 22052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22050] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22052] <... bpf resumed>) = 5 [pid 22052] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22050] <... futex resumed>) = 0 [pid 22052] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22050] close(3) = 0 [pid 22050] close(4) = 0 [pid 22050] close(5) = 0 [pid 22050] close(6) = -1 EBADF (Bad file descriptor) [pid 22050] close(7) = -1 EBADF (Bad file descriptor) [pid 22050] close(8) = -1 EBADF (Bad file descriptor) [pid 22050] close(9) = -1 EBADF (Bad file descriptor) [pid 22050] close(10) = -1 EBADF (Bad file descriptor) [pid 22050] close(11) = -1 EBADF (Bad file descriptor) [pid 22050] close(12) = -1 EBADF (Bad file descriptor) [pid 22050] close(13) = -1 EBADF (Bad file descriptor) [pid 22050] close(14) = -1 EBADF (Bad file descriptor) [pid 22050] close(15) = -1 EBADF (Bad file descriptor) [pid 22050] close(16) = -1 EBADF (Bad file descriptor) [pid 22050] close(17) = -1 EBADF (Bad file descriptor) [pid 22050] close(18) = -1 EBADF (Bad file descriptor) [pid 22050] close(19) = -1 EBADF (Bad file descriptor) [pid 22050] close(20) = -1 EBADF (Bad file descriptor) [pid 22050] close(21) = -1 EBADF (Bad file descriptor) [pid 22050] close(22) = -1 EBADF (Bad file descriptor) [pid 22050] close(23) = -1 EBADF (Bad file descriptor) [pid 22050] close(24) = -1 EBADF (Bad file descriptor) [pid 22050] close(25) = -1 EBADF (Bad file descriptor) [pid 22050] close(26) = -1 EBADF (Bad file descriptor) [pid 22050] close(27) = -1 EBADF (Bad file descriptor) [pid 22050] close(28) = -1 EBADF (Bad file descriptor) [pid 22050] close(29) = -1 EBADF (Bad file descriptor) [pid 22050] exit_group(0 [pid 22051] <... futex resumed>) = ? [pid 22050] <... exit_group resumed>) = ? [pid 22051] +++ exited with 0 +++ [pid 22052] <... futex resumed>) = ? [pid 22052] +++ exited with 0 +++ [pid 22050] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7478", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7478", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7478/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7478/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7478/cgroup.cpu") = 0 [pid 287] umount2("./7478/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7478/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7478/binderfs") = 0 [pid 287] umount2("./7478/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7478/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7478/cgroup") = 0 [pid 287] umount2("./7478/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7478/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7478/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7478") = 0 [pid 287] mkdir("./7479", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22053 attached [pid 22053] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22053] chdir("./7479" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21644 [pid 22053] <... chdir resumed>) = 0 [pid 22053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22053] setpgid(0, 0) = 0 [pid 22053] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22053] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22053] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22053] write(3, "1000", 4) = 4 [pid 22053] close(3) = 0 [pid 22053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22053] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22053] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22053] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22054 attached [pid 22054] set_robust_list(0x7f3b956fb9a0, 24 [pid 22053] <... clone3 resumed> => {parent_tid=[21645]}, 88) = 21645 [pid 22054] <... set_robust_list resumed>) = 0 [pid 22053] rt_sigprocmask(SIG_SETMASK, [], [pid 22054] rt_sigprocmask(SIG_SETMASK, [], [pid 22053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22053] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22053] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22054] <... bpf resumed>) = 3 [pid 22054] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22053] <... futex resumed>) = 0 [pid 22054] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22053] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22054] <... bpf resumed>) = 4 [pid 22053] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22054] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22053] <... futex resumed>) = 0 [pid 22054] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22053] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22053] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22053] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22053] <... mprotect resumed>) = 0 [pid 22054] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22053] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22054] <... bpf resumed>) = 0 [pid 22053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22054] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22055 attached [pid 22054] <... futex resumed>) = 0 [pid 22055] set_robust_list(0x7f3b956da9a0, 24 [pid 22054] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22053] <... clone3 resumed> => {parent_tid=[21646]}, 88) = 21646 [pid 22055] <... set_robust_list resumed>) = 0 [pid 22053] rt_sigprocmask(SIG_SETMASK, [], [pid 22055] rt_sigprocmask(SIG_SETMASK, [], [pid 22053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22053] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22053] <... futex resumed>) = 0 [pid 22053] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22055] <... bpf resumed>) = 5 [pid 22055] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22053] <... futex resumed>) = 0 [pid 22055] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22053] close(3) = 0 [pid 22053] close(4) = 0 [pid 22053] close(5) = 0 [pid 22053] close(6) = -1 EBADF (Bad file descriptor) [pid 22053] close(7) = -1 EBADF (Bad file descriptor) [pid 22053] close(8) = -1 EBADF (Bad file descriptor) [pid 22053] close(9) = -1 EBADF (Bad file descriptor) [pid 22053] close(10) = -1 EBADF (Bad file descriptor) [pid 22053] close(11) = -1 EBADF (Bad file descriptor) [pid 22053] close(12) = -1 EBADF (Bad file descriptor) [pid 22053] close(13) = -1 EBADF (Bad file descriptor) [pid 22053] close(14) = -1 EBADF (Bad file descriptor) [pid 22053] close(15) = -1 EBADF (Bad file descriptor) [pid 22053] close(16) = -1 EBADF (Bad file descriptor) [pid 22053] close(17) = -1 EBADF (Bad file descriptor) [pid 22053] close(18) = -1 EBADF (Bad file descriptor) [pid 22053] close(19) = -1 EBADF (Bad file descriptor) [pid 22053] close(20) = -1 EBADF (Bad file descriptor) [pid 22053] close(21) = -1 EBADF (Bad file descriptor) [pid 22053] close(22) = -1 EBADF (Bad file descriptor) [pid 22053] close(23) = -1 EBADF (Bad file descriptor) [pid 22053] close(24) = -1 EBADF (Bad file descriptor) [pid 22053] close(25) = -1 EBADF (Bad file descriptor) [pid 22053] close(26) = -1 EBADF (Bad file descriptor) [pid 22053] close(27) = -1 EBADF (Bad file descriptor) [pid 22053] close(28) = -1 EBADF (Bad file descriptor) [pid 22053] close(29) = -1 EBADF (Bad file descriptor) [pid 22053] exit_group(0) = ? [pid 22054] <... futex resumed>) = ? [pid 22055] <... futex resumed>) = ? [pid 22055] +++ exited with 0 +++ [pid 22054] +++ exited with 0 +++ [pid 22053] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7479", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7479", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7479/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7479/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7479/cgroup.cpu") = 0 [pid 287] umount2("./7479/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7479/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7479/binderfs") = 0 [pid 287] umount2("./7479/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7479/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7479/cgroup") = 0 [pid 287] umount2("./7479/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7479/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7479/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7479") = 0 [pid 287] mkdir("./7480", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22056 attached [pid 22056] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21647 [pid 22056] chdir("./7480") = 0 [pid 22056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22056] setpgid(0, 0) = 0 [pid 22056] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22056] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22056] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22056] write(3, "1000", 4) = 4 [pid 22056] close(3) = 0 [pid 22056] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22056] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22056] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22056] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22057 attached [pid 22057] set_robust_list(0x7f3b956fb9a0, 24 [pid 22056] <... clone3 resumed> => {parent_tid=[21648]}, 88) = 21648 [pid 22057] <... set_robust_list resumed>) = 0 [pid 22056] rt_sigprocmask(SIG_SETMASK, [], [pid 22057] rt_sigprocmask(SIG_SETMASK, [], [pid 22056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22056] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22057] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22056] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22057] <... bpf resumed>) = 3 [pid 22057] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22056] <... futex resumed>) = 0 [pid 22057] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22056] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22056] <... futex resumed>) = 0 [pid 22057] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22056] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22057] <... bpf resumed>) = 4 [pid 22057] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22056] <... futex resumed>) = 0 [pid 22057] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22056] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22056] <... futex resumed>) = 0 [pid 22057] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22056] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22057] <... bpf resumed>) = 0 [pid 22056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22057] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22056] <... mmap resumed>) = 0x7f3b956ba000 [pid 22057] <... futex resumed>) = 0 [pid 22056] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22057] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22056] <... mprotect resumed>) = 0 [pid 22056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22058 attached => {parent_tid=[21649]}, 88) = 21649 [pid 22058] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22056] rt_sigprocmask(SIG_SETMASK, [], [pid 22058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22058] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22056] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22058] <... futex resumed>) = 0 [pid 22058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22056] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22058] <... bpf resumed>) = 5 [pid 22058] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22056] <... futex resumed>) = 0 [pid 22058] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22056] close(3) = 0 [pid 22056] close(4) = 0 [pid 22056] close(5) = 0 [pid 22056] close(6) = -1 EBADF (Bad file descriptor) [pid 22056] close(7) = -1 EBADF (Bad file descriptor) [pid 22056] close(8) = -1 EBADF (Bad file descriptor) [pid 22056] close(9) = -1 EBADF (Bad file descriptor) [pid 22056] close(10) = -1 EBADF (Bad file descriptor) [pid 22056] close(11) = -1 EBADF (Bad file descriptor) [pid 22056] close(12) = -1 EBADF (Bad file descriptor) [pid 22056] close(13) = -1 EBADF (Bad file descriptor) [pid 22056] close(14) = -1 EBADF (Bad file descriptor) [pid 22056] close(15) = -1 EBADF (Bad file descriptor) [pid 22056] close(16) = -1 EBADF (Bad file descriptor) [pid 22056] close(17) = -1 EBADF (Bad file descriptor) [pid 22056] close(18) = -1 EBADF (Bad file descriptor) [pid 22056] close(19) = -1 EBADF (Bad file descriptor) [pid 22056] close(20) = -1 EBADF (Bad file descriptor) [pid 22056] close(21) = -1 EBADF (Bad file descriptor) [pid 22056] close(22) = -1 EBADF (Bad file descriptor) [pid 22056] close(23) = -1 EBADF (Bad file descriptor) [pid 22056] close(24) = -1 EBADF (Bad file descriptor) [pid 22056] close(25) = -1 EBADF (Bad file descriptor) [pid 22056] close(26) = -1 EBADF (Bad file descriptor) [pid 22056] close(27) = -1 EBADF (Bad file descriptor) [pid 22056] close(28) = -1 EBADF (Bad file descriptor) [pid 22056] close(29) = -1 EBADF (Bad file descriptor) [pid 22056] exit_group(0) = ? [pid 22057] <... futex resumed>) = ? [pid 22058] <... futex resumed>) = ? [pid 22057] +++ exited with 0 +++ [pid 22058] +++ exited with 0 +++ [pid 22056] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7480", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7480", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7480/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7480/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7480/cgroup.cpu") = 0 [pid 287] umount2("./7480/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7480/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7480/binderfs") = 0 [pid 287] umount2("./7480/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7480/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7480/cgroup") = 0 [pid 287] umount2("./7480/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7480/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7480/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7480") = 0 [pid 287] mkdir("./7481", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22059 attached [pid 22059] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22059] chdir("./7481" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21650 [pid 22059] <... chdir resumed>) = 0 [pid 22059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22059] setpgid(0, 0) = 0 [pid 22059] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22059] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22059] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22059] write(3, "1000", 4) = 4 [pid 22059] close(3) = 0 [pid 22059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22059] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22059] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22059] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22060 attached [pid 22060] set_robust_list(0x7f3b956fb9a0, 24 [pid 22059] <... clone3 resumed> => {parent_tid=[21651]}, 88) = 21651 [pid 22060] <... set_robust_list resumed>) = 0 [pid 22059] rt_sigprocmask(SIG_SETMASK, [], [pid 22060] rt_sigprocmask(SIG_SETMASK, [], [pid 22059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22059] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22059] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22060] <... bpf resumed>) = 3 [pid 22060] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22059] <... futex resumed>) = 0 [pid 22059] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22059] <... futex resumed>) = 0 [pid 22059] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22060] <... bpf resumed>) = 4 [pid 22060] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22059] <... futex resumed>) = 0 [pid 22060] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22059] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22059] <... futex resumed>) = 0 [pid 22060] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22059] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22060] <... bpf resumed>) = 0 [pid 22059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22060] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22059] <... mmap resumed>) = 0x7f3b956ba000 [pid 22060] <... futex resumed>) = 0 [pid 22059] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22060] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22059] <... mprotect resumed>) = 0 [pid 22059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22061 attached [pid 22061] set_robust_list(0x7f3b956da9a0, 24 [pid 22059] <... clone3 resumed> => {parent_tid=[21652]}, 88) = 21652 [pid 22061] <... set_robust_list resumed>) = 0 [pid 22061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22061] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22059] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22061] <... futex resumed>) = 0 [pid 22059] <... futex resumed>) = 1 [pid 22061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22059] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22061] <... bpf resumed>) = 5 [pid 22061] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22059] <... futex resumed>) = 0 [pid 22061] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22059] close(3) = 0 [pid 22059] close(4) = 0 [pid 22059] close(5) = 0 [pid 22059] close(6) = -1 EBADF (Bad file descriptor) [pid 22059] close(7) = -1 EBADF (Bad file descriptor) [pid 22059] close(8) = -1 EBADF (Bad file descriptor) [pid 22059] close(9) = -1 EBADF (Bad file descriptor) [pid 22059] close(10) = -1 EBADF (Bad file descriptor) [pid 22059] close(11) = -1 EBADF (Bad file descriptor) [pid 22059] close(12) = -1 EBADF (Bad file descriptor) [pid 22059] close(13) = -1 EBADF (Bad file descriptor) [pid 22059] close(14) = -1 EBADF (Bad file descriptor) [pid 22059] close(15) = -1 EBADF (Bad file descriptor) [pid 22059] close(16) = -1 EBADF (Bad file descriptor) [pid 22059] close(17) = -1 EBADF (Bad file descriptor) [pid 22059] close(18) = -1 EBADF (Bad file descriptor) [pid 22059] close(19) = -1 EBADF (Bad file descriptor) [pid 22059] close(20) = -1 EBADF (Bad file descriptor) [pid 22059] close(21) = -1 EBADF (Bad file descriptor) [pid 22059] close(22) = -1 EBADF (Bad file descriptor) [pid 22059] close(23) = -1 EBADF (Bad file descriptor) [pid 22059] close(24) = -1 EBADF (Bad file descriptor) [pid 22059] close(25) = -1 EBADF (Bad file descriptor) [pid 22059] close(26) = -1 EBADF (Bad file descriptor) [pid 22059] close(27) = -1 EBADF (Bad file descriptor) [pid 22059] close(28) = -1 EBADF (Bad file descriptor) [pid 22059] close(29) = -1 EBADF (Bad file descriptor) [pid 22059] exit_group(0) = ? [pid 22060] <... futex resumed>) = ? [pid 22061] <... futex resumed>) = ? [pid 22061] +++ exited with 0 +++ [pid 22060] +++ exited with 0 +++ [pid 22059] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7481", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7481", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7481/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7481/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7481/cgroup.cpu") = 0 [pid 287] umount2("./7481/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7481/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7481/binderfs") = 0 [pid 287] umount2("./7481/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7481/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7481/cgroup") = 0 [pid 287] umount2("./7481/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7481/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7481/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7481") = 0 [pid 287] mkdir("./7482", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22062 attached [pid 22062] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22062] chdir("./7482") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21653 [pid 22062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22062] setpgid(0, 0) = 0 [pid 22062] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22062] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22062] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22062] write(3, "1000", 4) = 4 [pid 22062] close(3) = 0 [pid 22062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22062] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22062] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22062] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22063 attached [pid 22063] set_robust_list(0x7f3b956fb9a0, 24 [pid 22062] <... clone3 resumed> => {parent_tid=[21654]}, 88) = 21654 [pid 22063] <... set_robust_list resumed>) = 0 [pid 22062] rt_sigprocmask(SIG_SETMASK, [], [pid 22063] rt_sigprocmask(SIG_SETMASK, [], [pid 22062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22062] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22062] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22063] <... bpf resumed>) = 3 [pid 22063] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22062] <... futex resumed>) = 0 [pid 22063] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22062] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22062] <... futex resumed>) = 0 [pid 22063] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22062] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22063] <... bpf resumed>) = 4 [pid 22063] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22062] <... futex resumed>) = 0 [pid 22062] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22063] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22062] <... futex resumed>) = 0 [pid 22063] <... bpf resumed>) = 0 [pid 22062] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22063] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22062] <... futex resumed>) = 0 [pid 22063] <... futex resumed>) = 0 [pid 22062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22063] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22062] <... mmap resumed>) = 0x7f3b956ba000 [pid 22062] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22064 attached [pid 22064] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22062] <... clone3 resumed> => {parent_tid=[21655]}, 88) = 21655 [pid 22064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22064] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22062] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22064] <... futex resumed>) = 0 [pid 22064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22062] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22064] <... bpf resumed>) = 5 [pid 22064] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22062] <... futex resumed>) = 0 [pid 22064] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22062] close(3) = 0 [pid 22062] close(4) = 0 [pid 22062] close(5) = 0 [pid 22062] close(6) = -1 EBADF (Bad file descriptor) [pid 22062] close(7) = -1 EBADF (Bad file descriptor) [pid 22062] close(8) = -1 EBADF (Bad file descriptor) [pid 22062] close(9) = -1 EBADF (Bad file descriptor) [pid 22062] close(10) = -1 EBADF (Bad file descriptor) [pid 22062] close(11) = -1 EBADF (Bad file descriptor) [pid 22062] close(12) = -1 EBADF (Bad file descriptor) [pid 22062] close(13) = -1 EBADF (Bad file descriptor) [pid 22062] close(14) = -1 EBADF (Bad file descriptor) [pid 22062] close(15) = -1 EBADF (Bad file descriptor) [pid 22062] close(16) = -1 EBADF (Bad file descriptor) [pid 22062] close(17) = -1 EBADF (Bad file descriptor) [pid 22062] close(18) = -1 EBADF (Bad file descriptor) [pid 22062] close(19) = -1 EBADF (Bad file descriptor) [pid 22062] close(20) = -1 EBADF (Bad file descriptor) [pid 22062] close(21) = -1 EBADF (Bad file descriptor) [pid 22062] close(22) = -1 EBADF (Bad file descriptor) [pid 22062] close(23) = -1 EBADF (Bad file descriptor) [pid 22062] close(24) = -1 EBADF (Bad file descriptor) [pid 22062] close(25) = -1 EBADF (Bad file descriptor) [pid 22062] close(26) = -1 EBADF (Bad file descriptor) [pid 22062] close(27) = -1 EBADF (Bad file descriptor) [pid 22062] close(28) = -1 EBADF (Bad file descriptor) [pid 22062] close(29) = -1 EBADF (Bad file descriptor) [pid 22062] exit_group(0) = ? [pid 22063] <... futex resumed>) = ? [pid 22064] <... futex resumed>) = ? [pid 22064] +++ exited with 0 +++ [pid 22063] +++ exited with 0 +++ [pid 22062] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7482", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7482", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7482/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7482/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7482/cgroup.cpu") = 0 [pid 287] umount2("./7482/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7482/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7482/binderfs") = 0 [pid 287] umount2("./7482/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7482/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7482/cgroup") = 0 [pid 287] umount2("./7482/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7482/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7482/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7482") = 0 [pid 287] mkdir("./7483", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22065 attached [pid 22065] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21656 [pid 22065] chdir("./7483") = 0 [pid 22065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22065] setpgid(0, 0) = 0 [pid 22065] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22065] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22065] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22065] write(3, "1000", 4) = 4 [pid 22065] close(3) = 0 [pid 22065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22065] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22065] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22065] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22066 attached [pid 22066] set_robust_list(0x7f3b956fb9a0, 24 [pid 22065] <... clone3 resumed> => {parent_tid=[21657]}, 88) = 21657 [pid 22066] <... set_robust_list resumed>) = 0 [pid 22065] rt_sigprocmask(SIG_SETMASK, [], [pid 22066] rt_sigprocmask(SIG_SETMASK, [], [pid 22065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22065] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22065] <... futex resumed>) = 0 [pid 22065] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22066] <... bpf resumed>) = 3 [pid 22066] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22065] <... futex resumed>) = 0 [pid 22066] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22065] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22065] <... futex resumed>) = 0 [pid 22066] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22065] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22066] <... bpf resumed>) = 4 [pid 22066] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22065] <... futex resumed>) = 0 [pid 22066] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22065] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22065] <... futex resumed>) = 0 [pid 22066] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22065] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22066] <... bpf resumed>) = 0 [pid 22065] <... futex resumed>) = 0 [pid 22066] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22066] <... futex resumed>) = 0 [pid 22065] <... mmap resumed>) = 0x7f3b956ba000 [pid 22066] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22065] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22067 attached [pid 22067] set_robust_list(0x7f3b956da9a0, 24 [pid 22065] <... clone3 resumed> => {parent_tid=[21658]}, 88) = 21658 [pid 22067] <... set_robust_list resumed>) = 0 [pid 22067] rt_sigprocmask(SIG_SETMASK, [], [pid 22065] rt_sigprocmask(SIG_SETMASK, [], [pid 22067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22067] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22065] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22067] <... futex resumed>) = 0 [pid 22065] <... futex resumed>) = 1 [pid 22067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22065] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22067] <... bpf resumed>) = 5 [pid 22067] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22065] <... futex resumed>) = 0 [pid 22067] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22065] close(3) = 0 [pid 22065] close(4) = 0 [pid 22065] close(5) = 0 [pid 22065] close(6) = -1 EBADF (Bad file descriptor) [pid 22065] close(7) = -1 EBADF (Bad file descriptor) [pid 22065] close(8) = -1 EBADF (Bad file descriptor) [pid 22065] close(9) = -1 EBADF (Bad file descriptor) [pid 22065] close(10) = -1 EBADF (Bad file descriptor) [pid 22065] close(11) = -1 EBADF (Bad file descriptor) [pid 22065] close(12) = -1 EBADF (Bad file descriptor) [pid 22065] close(13) = -1 EBADF (Bad file descriptor) [pid 22065] close(14) = -1 EBADF (Bad file descriptor) [pid 22065] close(15) = -1 EBADF (Bad file descriptor) [pid 22065] close(16) = -1 EBADF (Bad file descriptor) [pid 22065] close(17) = -1 EBADF (Bad file descriptor) [pid 22065] close(18) = -1 EBADF (Bad file descriptor) [pid 22065] close(19) = -1 EBADF (Bad file descriptor) [pid 22065] close(20) = -1 EBADF (Bad file descriptor) [pid 22065] close(21) = -1 EBADF (Bad file descriptor) [pid 22065] close(22) = -1 EBADF (Bad file descriptor) [pid 22065] close(23) = -1 EBADF (Bad file descriptor) [pid 22065] close(24) = -1 EBADF (Bad file descriptor) [pid 22065] close(25) = -1 EBADF (Bad file descriptor) [pid 22065] close(26) = -1 EBADF (Bad file descriptor) [pid 22065] close(27) = -1 EBADF (Bad file descriptor) [pid 22065] close(28) = -1 EBADF (Bad file descriptor) [pid 22065] close(29) = -1 EBADF (Bad file descriptor) [pid 22065] exit_group(0) = ? [pid 22066] <... futex resumed>) = ? [pid 22067] <... futex resumed>) = ? [pid 22067] +++ exited with 0 +++ [pid 22066] +++ exited with 0 +++ [pid 22065] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7483", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7483", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7483/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7483/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7483/cgroup.cpu") = 0 [pid 287] umount2("./7483/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7483/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7483/binderfs") = 0 [pid 287] umount2("./7483/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7483/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7483/cgroup") = 0 [pid 287] umount2("./7483/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7483/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7483/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7483") = 0 [pid 287] mkdir("./7484", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22068 attached [pid 22068] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21659 [pid 22068] chdir("./7484") = 0 [pid 22068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22068] setpgid(0, 0) = 0 [pid 22068] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22068] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22068] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22068] write(3, "1000", 4) = 4 [pid 22068] close(3) = 0 [pid 22068] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22068] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22068] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22068] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22069 attached => {parent_tid=[21660]}, 88) = 21660 [pid 22069] set_robust_list(0x7f3b956fb9a0, 24 [pid 22068] rt_sigprocmask(SIG_SETMASK, [], [pid 22069] <... set_robust_list resumed>) = 0 [pid 22068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22069] rt_sigprocmask(SIG_SETMASK, [], [pid 22068] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22068] <... futex resumed>) = 0 [pid 22069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22068] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22069] <... bpf resumed>) = 3 [pid 22069] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22068] <... futex resumed>) = 0 [pid 22069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22068] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22069] <... bpf resumed>) = 4 [pid 22068] <... futex resumed>) = 0 [pid 22069] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22068] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22069] <... futex resumed>) = 0 [pid 22068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22069] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22068] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22068] <... futex resumed>) = 0 [pid 22069] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22068] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22069] <... bpf resumed>) = 0 [pid 22068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22069] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22068] <... mmap resumed>) = 0x7f3b956ba000 [pid 22069] <... futex resumed>) = 0 [pid 22068] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22069] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22068] <... mprotect resumed>) = 0 [pid 22068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22070 attached [pid 22070] set_robust_list(0x7f3b956da9a0, 24 [pid 22068] <... clone3 resumed> => {parent_tid=[21661]}, 88) = 21661 [pid 22070] <... set_robust_list resumed>) = 0 [pid 22070] rt_sigprocmask(SIG_SETMASK, [], [pid 22068] rt_sigprocmask(SIG_SETMASK, [], [pid 22070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22070] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22068] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22070] <... futex resumed>) = 0 [pid 22068] <... futex resumed>) = 1 [pid 22070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22068] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22070] <... bpf resumed>) = 5 [pid 22070] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22068] <... futex resumed>) = 0 [pid 22070] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22068] close(3) = 0 [pid 22068] close(4) = 0 [pid 22068] close(5) = 0 [pid 22068] close(6) = -1 EBADF (Bad file descriptor) [pid 22068] close(7) = -1 EBADF (Bad file descriptor) [pid 22068] close(8) = -1 EBADF (Bad file descriptor) [pid 22068] close(9) = -1 EBADF (Bad file descriptor) [pid 22068] close(10) = -1 EBADF (Bad file descriptor) [pid 22068] close(11) = -1 EBADF (Bad file descriptor) [pid 22068] close(12) = -1 EBADF (Bad file descriptor) [pid 22068] close(13) = -1 EBADF (Bad file descriptor) [pid 22068] close(14) = -1 EBADF (Bad file descriptor) [pid 22068] close(15) = -1 EBADF (Bad file descriptor) [pid 22068] close(16) = -1 EBADF (Bad file descriptor) [pid 22068] close(17) = -1 EBADF (Bad file descriptor) [pid 22068] close(18) = -1 EBADF (Bad file descriptor) [pid 22068] close(19) = -1 EBADF (Bad file descriptor) [pid 22068] close(20) = -1 EBADF (Bad file descriptor) [pid 22068] close(21) = -1 EBADF (Bad file descriptor) [pid 22068] close(22) = -1 EBADF (Bad file descriptor) [pid 22068] close(23) = -1 EBADF (Bad file descriptor) [pid 22068] close(24) = -1 EBADF (Bad file descriptor) [pid 22068] close(25) = -1 EBADF (Bad file descriptor) [pid 22068] close(26) = -1 EBADF (Bad file descriptor) [pid 22068] close(27) = -1 EBADF (Bad file descriptor) [pid 22068] close(28) = -1 EBADF (Bad file descriptor) [pid 22068] close(29) = -1 EBADF (Bad file descriptor) [pid 22068] exit_group(0 [pid 22070] <... futex resumed>) = ? [pid 22069] <... futex resumed>) = ? [pid 22068] <... exit_group resumed>) = ? [pid 22070] +++ exited with 0 +++ [pid 22069] +++ exited with 0 +++ [pid 22068] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7484", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7484", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7484/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7484/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7484/cgroup.cpu") = 0 [pid 287] umount2("./7484/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7484/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7484/binderfs") = 0 [pid 287] umount2("./7484/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7484/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7484/cgroup") = 0 [pid 287] umount2("./7484/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7484/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7484/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7484") = 0 [pid 287] mkdir("./7485", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22071 attached [pid 22071] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22071] chdir("./7485") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21662 [pid 22071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22071] setpgid(0, 0) = 0 [pid 22071] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22071] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22071] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22071] write(3, "1000", 4) = 4 [pid 22071] close(3) = 0 [pid 22071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22071] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22071] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22071] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22072 attached [pid 22072] set_robust_list(0x7f3b956fb9a0, 24 [pid 22071] <... clone3 resumed> => {parent_tid=[21663]}, 88) = 21663 [pid 22072] <... set_robust_list resumed>) = 0 [pid 22071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22071] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22072] rt_sigprocmask(SIG_SETMASK, [], [pid 22071] <... futex resumed>) = 0 [pid 22072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22071] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22072] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22071] <... futex resumed>) = 0 [pid 22072] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22071] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22071] <... futex resumed>) = 0 [pid 22072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22071] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22072] <... bpf resumed>) = 4 [pid 22072] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22071] <... futex resumed>) = 0 [pid 22072] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22071] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22071] <... futex resumed>) = 0 [pid 22072] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22071] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22072] <... bpf resumed>) = 0 [pid 22071] <... futex resumed>) = 0 [pid 22072] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22072] <... futex resumed>) = 0 [pid 22071] <... mmap resumed>) = 0x7f3b956ba000 [pid 22072] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22071] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22073 attached [pid 22073] set_robust_list(0x7f3b956da9a0, 24 [pid 22071] <... clone3 resumed> => {parent_tid=[21664]}, 88) = 21664 [pid 22073] <... set_robust_list resumed>) = 0 [pid 22071] rt_sigprocmask(SIG_SETMASK, [], [pid 22073] rt_sigprocmask(SIG_SETMASK, [], [pid 22071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22071] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22071] <... futex resumed>) = 0 [pid 22073] <... bpf resumed>) = 5 [pid 22071] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22073] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22073] <... futex resumed>) = 0 [pid 22071] close(3 [pid 22073] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22071] <... close resumed>) = 0 [pid 22071] close(4) = 0 [pid 22071] close(5) = 0 [pid 22071] close(6) = -1 EBADF (Bad file descriptor) [pid 22071] close(7) = -1 EBADF (Bad file descriptor) [pid 22071] close(8) = -1 EBADF (Bad file descriptor) [pid 22071] close(9) = -1 EBADF (Bad file descriptor) [pid 22071] close(10) = -1 EBADF (Bad file descriptor) [pid 22071] close(11) = -1 EBADF (Bad file descriptor) [pid 22071] close(12) = -1 EBADF (Bad file descriptor) [pid 22071] close(13) = -1 EBADF (Bad file descriptor) [pid 22071] close(14) = -1 EBADF (Bad file descriptor) [pid 22071] close(15) = -1 EBADF (Bad file descriptor) [pid 22071] close(16) = -1 EBADF (Bad file descriptor) [pid 22071] close(17) = -1 EBADF (Bad file descriptor) [pid 22071] close(18) = -1 EBADF (Bad file descriptor) [pid 22071] close(19) = -1 EBADF (Bad file descriptor) [pid 22071] close(20) = -1 EBADF (Bad file descriptor) [pid 22071] close(21) = -1 EBADF (Bad file descriptor) [pid 22071] close(22) = -1 EBADF (Bad file descriptor) [pid 22071] close(23) = -1 EBADF (Bad file descriptor) [pid 22071] close(24) = -1 EBADF (Bad file descriptor) [pid 22071] close(25) = -1 EBADF (Bad file descriptor) [pid 22071] close(26) = -1 EBADF (Bad file descriptor) [pid 22071] close(27) = -1 EBADF (Bad file descriptor) [pid 22071] close(28) = -1 EBADF (Bad file descriptor) [pid 22071] close(29) = -1 EBADF (Bad file descriptor) [pid 22071] exit_group(0 [pid 22073] <... futex resumed>) = ? [pid 22071] <... exit_group resumed>) = ? [pid 22073] +++ exited with 0 +++ [pid 22072] <... futex resumed>) = ? [pid 22072] +++ exited with 0 +++ [pid 22071] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7485", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7485", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7485/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7485/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7485/cgroup.cpu") = 0 [pid 287] umount2("./7485/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7485/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7485/binderfs") = 0 [pid 287] umount2("./7485/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7485/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7485/cgroup") = 0 [pid 287] umount2("./7485/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7485/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7485/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7485") = 0 [pid 287] mkdir("./7486", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22074 attached [pid 22074] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21665 [pid 22074] chdir("./7486") = 0 [pid 22074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22074] setpgid(0, 0) = 0 [pid 22074] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22074] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22074] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22074] write(3, "1000", 4) = 4 [pid 22074] close(3) = 0 [pid 22074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22074] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22074] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22074] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22075 attached [pid 22075] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22075] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22074] <... clone3 resumed> => {parent_tid=[21666]}, 88) = 21666 [pid 22074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22074] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22075] <... futex resumed>) = 0 [pid 22074] <... futex resumed>) = 1 [pid 22075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22074] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22075] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22075] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22074] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22074] <... futex resumed>) = 0 [pid 22075] <... bpf resumed>) = 4 [pid 22075] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22074] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22075] <... futex resumed>) = 0 [pid 22075] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22074] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22075] <... futex resumed>) = 0 [pid 22074] <... futex resumed>) = 1 [pid 22075] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22074] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22075] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22074] <... futex resumed>) = 0 [pid 22075] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22074] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22076 attached [pid 22076] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22076] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22074] <... clone3 resumed> => {parent_tid=[21667]}, 88) = 21667 [pid 22074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22074] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22076] <... futex resumed>) = 0 [pid 22074] <... futex resumed>) = 1 [pid 22076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22074] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22076] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22076] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22074] close(3) = 0 [pid 22074] close(4) = 0 [pid 22074] close(5) = 0 [pid 22074] close(6) = -1 EBADF (Bad file descriptor) [pid 22074] close(7) = -1 EBADF (Bad file descriptor) [pid 22074] close(8) = -1 EBADF (Bad file descriptor) [pid 22074] close(9) = -1 EBADF (Bad file descriptor) [pid 22074] close(10) = -1 EBADF (Bad file descriptor) [pid 22074] close(11) = -1 EBADF (Bad file descriptor) [pid 22074] close(12) = -1 EBADF (Bad file descriptor) [pid 22074] close(13) = -1 EBADF (Bad file descriptor) [pid 22074] close(14) = -1 EBADF (Bad file descriptor) [pid 22074] close(15) = -1 EBADF (Bad file descriptor) [pid 22074] close(16) = -1 EBADF (Bad file descriptor) [pid 22074] close(17) = -1 EBADF (Bad file descriptor) [pid 22074] close(18) = -1 EBADF (Bad file descriptor) [pid 22074] close(19) = -1 EBADF (Bad file descriptor) [pid 22074] close(20) = -1 EBADF (Bad file descriptor) [pid 22074] close(21) = -1 EBADF (Bad file descriptor) [pid 22074] close(22) = -1 EBADF (Bad file descriptor) [pid 22074] close(23) = -1 EBADF (Bad file descriptor) [pid 22074] close(24) = -1 EBADF (Bad file descriptor) [pid 22074] close(25) = -1 EBADF (Bad file descriptor) [pid 22074] close(26) = -1 EBADF (Bad file descriptor) [pid 22074] close(27) = -1 EBADF (Bad file descriptor) [pid 22074] close(28) = -1 EBADF (Bad file descriptor) [pid 22074] close(29) = -1 EBADF (Bad file descriptor) [pid 22074] exit_group(0 [pid 22076] <... futex resumed>) = ? [pid 22075] <... futex resumed>) = ? [pid 22076] +++ exited with 0 +++ [pid 22075] +++ exited with 0 +++ [pid 22074] <... exit_group resumed>) = ? [pid 22074] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7486", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7486", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7486/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7486/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7486/cgroup.cpu") = 0 [pid 287] umount2("./7486/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7486/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7486/binderfs") = 0 [pid 287] umount2("./7486/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7486/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7486/cgroup") = 0 [pid 287] umount2("./7486/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7486/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7486/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7486") = 0 [pid 287] mkdir("./7487", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21668 ./strace-static-x86_64: Process 22077 attached [pid 22077] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22077] chdir("./7487") = 0 [pid 22077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22077] setpgid(0, 0) = 0 [pid 22077] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22077] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22077] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22077] write(3, "1000", 4) = 4 [pid 22077] close(3) = 0 [pid 22077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22077] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22077] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22077] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22078 attached [pid 22078] set_robust_list(0x7f3b956fb9a0, 24 [pid 22077] <... clone3 resumed> => {parent_tid=[21669]}, 88) = 21669 [pid 22078] <... set_robust_list resumed>) = 0 [pid 22078] rt_sigprocmask(SIG_SETMASK, [], [pid 22077] rt_sigprocmask(SIG_SETMASK, [], [pid 22078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22077] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22078] <... futex resumed>) = 0 [pid 22077] <... futex resumed>) = 1 [pid 22078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22077] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22078] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22077] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22077] <... futex resumed>) = 0 [pid 22078] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22077] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22077] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22078] <... futex resumed>) = 0 [pid 22077] <... futex resumed>) = 1 [pid 22078] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22077] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22078] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22077] <... futex resumed>) = 0 [pid 22078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22077] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22079 attached [pid 22079] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22079] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22077] <... clone3 resumed> => {parent_tid=[21670]}, 88) = 21670 [pid 22077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22077] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22079] <... futex resumed>) = 0 [pid 22077] <... futex resumed>) = 1 [pid 22079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22077] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22079] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22079] <... futex resumed>) = 0 [pid 22077] close(3 [pid 22079] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22077] <... close resumed>) = 0 [pid 22077] close(4) = 0 [pid 22077] close(5) = 0 [pid 22077] close(6) = -1 EBADF (Bad file descriptor) [pid 22077] close(7) = -1 EBADF (Bad file descriptor) [pid 22077] close(8) = -1 EBADF (Bad file descriptor) [pid 22077] close(9) = -1 EBADF (Bad file descriptor) [pid 22077] close(10) = -1 EBADF (Bad file descriptor) [pid 22077] close(11) = -1 EBADF (Bad file descriptor) [pid 22077] close(12) = -1 EBADF (Bad file descriptor) [pid 22077] close(13) = -1 EBADF (Bad file descriptor) [pid 22077] close(14) = -1 EBADF (Bad file descriptor) [pid 22077] close(15) = -1 EBADF (Bad file descriptor) [pid 22077] close(16) = -1 EBADF (Bad file descriptor) [pid 22077] close(17) = -1 EBADF (Bad file descriptor) [pid 22077] close(18) = -1 EBADF (Bad file descriptor) [pid 22077] close(19) = -1 EBADF (Bad file descriptor) [pid 22077] close(20) = -1 EBADF (Bad file descriptor) [pid 22077] close(21) = -1 EBADF (Bad file descriptor) [pid 22077] close(22) = -1 EBADF (Bad file descriptor) [pid 22077] close(23) = -1 EBADF (Bad file descriptor) [pid 22077] close(24) = -1 EBADF (Bad file descriptor) [pid 22077] close(25) = -1 EBADF (Bad file descriptor) [pid 22077] close(26) = -1 EBADF (Bad file descriptor) [pid 22077] close(27) = -1 EBADF (Bad file descriptor) [pid 22077] close(28) = -1 EBADF (Bad file descriptor) [pid 22077] close(29) = -1 EBADF (Bad file descriptor) [pid 22077] exit_group(0 [pid 22079] <... futex resumed>) = ? [pid 22078] <... futex resumed>) = ? [pid 22077] <... exit_group resumed>) = ? [pid 22079] +++ exited with 0 +++ [pid 22078] +++ exited with 0 +++ [pid 22077] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7487", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7487", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7487/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7487/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7487/cgroup.cpu") = 0 [pid 287] umount2("./7487/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7487/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7487/binderfs") = 0 [pid 287] umount2("./7487/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7487/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7487/cgroup") = 0 [pid 287] umount2("./7487/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7487/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7487/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7487") = 0 [pid 287] mkdir("./7488", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22080 attached [pid 22080] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22080] chdir("./7488") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21671 [pid 22080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22080] setpgid(0, 0) = 0 [pid 22080] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22080] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22080] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22080] write(3, "1000", 4) = 4 [pid 22080] close(3) = 0 [pid 22080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22080] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22080] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22080] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22081 attached [pid 22081] set_robust_list(0x7f3b956fb9a0, 24 [pid 22080] <... clone3 resumed> => {parent_tid=[21672]}, 88) = 21672 [pid 22081] <... set_robust_list resumed>) = 0 [pid 22080] rt_sigprocmask(SIG_SETMASK, [], [pid 22081] rt_sigprocmask(SIG_SETMASK, [], [pid 22080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22080] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22080] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22081] <... bpf resumed>) = 3 [pid 22081] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22080] <... futex resumed>) = 0 [pid 22080] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22080] <... futex resumed>) = 0 [pid 22080] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22081] <... bpf resumed>) = 4 [pid 22081] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22080] <... futex resumed>) = 0 [pid 22080] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22080] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22081] <... futex resumed>) = 1 [pid 22080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22081] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22080] <... mmap resumed>) = 0x7f3b956ba000 [pid 22081] <... bpf resumed>) = 0 [pid 22080] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22081] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22081] <... futex resumed>) = 0 [pid 22080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22081] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[21673]}, 88) = 21673 [pid 22080] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 22082 attached [pid 22082] set_robust_list(0x7f3b956da9a0, 24 [pid 22080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22082] <... set_robust_list resumed>) = 0 [pid 22080] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22080] <... futex resumed>) = 0 [pid 22082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22080] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22082] <... bpf resumed>) = 5 [pid 22082] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22080] <... futex resumed>) = 0 [pid 22082] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22080] close(3) = 0 [pid 22080] close(4) = 0 [pid 22080] close(5) = 0 [pid 22080] close(6) = -1 EBADF (Bad file descriptor) [pid 22080] close(7) = -1 EBADF (Bad file descriptor) [pid 22080] close(8) = -1 EBADF (Bad file descriptor) [pid 22080] close(9) = -1 EBADF (Bad file descriptor) [pid 22080] close(10) = -1 EBADF (Bad file descriptor) [pid 22080] close(11) = -1 EBADF (Bad file descriptor) [pid 22080] close(12) = -1 EBADF (Bad file descriptor) [pid 22080] close(13) = -1 EBADF (Bad file descriptor) [pid 22080] close(14) = -1 EBADF (Bad file descriptor) [pid 22080] close(15) = -1 EBADF (Bad file descriptor) [pid 22080] close(16) = -1 EBADF (Bad file descriptor) [pid 22080] close(17) = -1 EBADF (Bad file descriptor) [pid 22080] close(18) = -1 EBADF (Bad file descriptor) [pid 22080] close(19) = -1 EBADF (Bad file descriptor) [pid 22080] close(20) = -1 EBADF (Bad file descriptor) [pid 22080] close(21) = -1 EBADF (Bad file descriptor) [pid 22080] close(22) = -1 EBADF (Bad file descriptor) [pid 22080] close(23) = -1 EBADF (Bad file descriptor) [pid 22080] close(24) = -1 EBADF (Bad file descriptor) [pid 22080] close(25) = -1 EBADF (Bad file descriptor) [pid 22080] close(26) = -1 EBADF (Bad file descriptor) [pid 22080] close(27) = -1 EBADF (Bad file descriptor) [pid 22080] close(28) = -1 EBADF (Bad file descriptor) [pid 22080] close(29) = -1 EBADF (Bad file descriptor) [pid 22080] exit_group(0 [pid 22082] <... futex resumed>) = ? [pid 22081] <... futex resumed>) = ? [pid 22080] <... exit_group resumed>) = ? [pid 22082] +++ exited with 0 +++ [pid 22081] +++ exited with 0 +++ [pid 22080] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7488", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7488", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7488/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7488/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7488/cgroup.cpu") = 0 [pid 287] umount2("./7488/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7488/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7488/binderfs") = 0 [pid 287] umount2("./7488/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7488/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7488/cgroup") = 0 [pid 287] umount2("./7488/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7488/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7488/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7488") = 0 [pid 287] mkdir("./7489", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22083 attached [pid 22083] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21674 [pid 22083] chdir("./7489") = 0 [pid 22083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22083] setpgid(0, 0) = 0 [pid 22083] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22083] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22083] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22083] write(3, "1000", 4) = 4 [pid 22083] close(3) = 0 [pid 22083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22083] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22083] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22083] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22084 attached [pid 22084] set_robust_list(0x7f3b956fb9a0, 24 [pid 22083] <... clone3 resumed> => {parent_tid=[21675]}, 88) = 21675 [pid 22084] <... set_robust_list resumed>) = 0 [pid 22084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22084] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22083] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22084] <... futex resumed>) = 0 [pid 22083] <... futex resumed>) = 1 [pid 22084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22083] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22084] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22084] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22083] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22084] <... futex resumed>) = 0 [pid 22083] <... futex resumed>) = 1 [pid 22084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22083] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22084] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22084] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22083] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22084] <... futex resumed>) = 0 [pid 22083] <... futex resumed>) = 1 [pid 22084] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22084] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22084] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22083] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22084] <... futex resumed>) = 0 [pid 22083] <... futex resumed>) = 1 [pid 22084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22083] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22084] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22084] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22083] close(3) = 0 [pid 22083] close(4) = 0 [pid 22083] close(5) = 0 [pid 22083] close(6) = -1 EBADF (Bad file descriptor) [pid 22083] close(7) = -1 EBADF (Bad file descriptor) [pid 22083] close(8) = -1 EBADF (Bad file descriptor) [pid 22083] close(9) = -1 EBADF (Bad file descriptor) [pid 22083] close(10) = -1 EBADF (Bad file descriptor) [pid 22083] close(11) = -1 EBADF (Bad file descriptor) [pid 22083] close(12) = -1 EBADF (Bad file descriptor) [pid 22083] close(13) = -1 EBADF (Bad file descriptor) [pid 22083] close(14) = -1 EBADF (Bad file descriptor) [pid 22083] close(15) = -1 EBADF (Bad file descriptor) [pid 22083] close(16) = -1 EBADF (Bad file descriptor) [pid 22083] close(17) = -1 EBADF (Bad file descriptor) [pid 22083] close(18) = -1 EBADF (Bad file descriptor) [pid 22083] close(19) = -1 EBADF (Bad file descriptor) [pid 22083] close(20) = -1 EBADF (Bad file descriptor) [pid 22083] close(21) = -1 EBADF (Bad file descriptor) [pid 22083] close(22) = -1 EBADF (Bad file descriptor) [pid 22083] close(23) = -1 EBADF (Bad file descriptor) [pid 22083] close(24) = -1 EBADF (Bad file descriptor) [pid 22083] close(25) = -1 EBADF (Bad file descriptor) [pid 22083] close(26) = -1 EBADF (Bad file descriptor) [pid 22083] close(27) = -1 EBADF (Bad file descriptor) [pid 22083] close(28) = -1 EBADF (Bad file descriptor) [pid 22083] close(29) = -1 EBADF (Bad file descriptor) [pid 22083] exit_group(0 [pid 22084] <... futex resumed>) = ? [pid 22083] <... exit_group resumed>) = ? [pid 22084] +++ exited with 0 +++ [pid 22083] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7489", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7489", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7489/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7489/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7489/cgroup.cpu") = 0 [pid 287] umount2("./7489/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7489/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7489/binderfs") = 0 [pid 287] umount2("./7489/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7489/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7489/cgroup") = 0 [pid 287] umount2("./7489/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7489/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7489/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7489") = 0 [pid 287] mkdir("./7490", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22085 attached [pid 22085] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22085] chdir("./7490") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21676 [pid 22085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22085] setpgid(0, 0) = 0 [pid 22085] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22085] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22085] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22085] write(3, "1000", 4) = 4 [pid 22085] close(3) = 0 [pid 22085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22085] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22085] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22085] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22086 attached [pid 22086] set_robust_list(0x7f3b956fb9a0, 24 [pid 22085] <... clone3 resumed> => {parent_tid=[21677]}, 88) = 21677 [pid 22086] <... set_robust_list resumed>) = 0 [pid 22085] rt_sigprocmask(SIG_SETMASK, [], [pid 22086] rt_sigprocmask(SIG_SETMASK, [], [pid 22085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22085] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22085] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22086] <... bpf resumed>) = 3 [pid 22086] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22085] <... futex resumed>) = 0 [pid 22086] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22085] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22085] <... futex resumed>) = 0 [pid 22086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22085] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22086] <... bpf resumed>) = 4 [pid 22086] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22085] <... futex resumed>) = 0 [pid 22086] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22085] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22085] <... futex resumed>) = 0 [pid 22086] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22085] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22086] <... bpf resumed>) = 0 [pid 22085] <... futex resumed>) = 0 [pid 22086] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22086] <... futex resumed>) = 0 [pid 22085] <... mmap resumed>) = 0x7f3b956ba000 [pid 22086] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22085] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22087 attached [pid 22087] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22085] <... clone3 resumed> => {parent_tid=[21678]}, 88) = 21678 [pid 22087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22085] rt_sigprocmask(SIG_SETMASK, [], [pid 22087] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22085] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22087] <... futex resumed>) = 0 [pid 22087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22085] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22087] <... bpf resumed>) = 5 [pid 22087] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22085] <... futex resumed>) = 0 [pid 22087] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22085] close(3) = 0 [pid 22085] close(4) = 0 [pid 22085] close(5) = 0 [pid 22085] close(6) = -1 EBADF (Bad file descriptor) [pid 22085] close(7) = -1 EBADF (Bad file descriptor) [pid 22085] close(8) = -1 EBADF (Bad file descriptor) [pid 22085] close(9) = -1 EBADF (Bad file descriptor) [pid 22085] close(10) = -1 EBADF (Bad file descriptor) [pid 22085] close(11) = -1 EBADF (Bad file descriptor) [pid 22085] close(12) = -1 EBADF (Bad file descriptor) [pid 22085] close(13) = -1 EBADF (Bad file descriptor) [pid 22085] close(14) = -1 EBADF (Bad file descriptor) [pid 22085] close(15) = -1 EBADF (Bad file descriptor) [pid 22085] close(16) = -1 EBADF (Bad file descriptor) [pid 22085] close(17) = -1 EBADF (Bad file descriptor) [pid 22085] close(18) = -1 EBADF (Bad file descriptor) [pid 22085] close(19) = -1 EBADF (Bad file descriptor) [pid 22085] close(20) = -1 EBADF (Bad file descriptor) [pid 22085] close(21) = -1 EBADF (Bad file descriptor) [pid 22085] close(22) = -1 EBADF (Bad file descriptor) [pid 22085] close(23) = -1 EBADF (Bad file descriptor) [pid 22085] close(24) = -1 EBADF (Bad file descriptor) [pid 22085] close(25) = -1 EBADF (Bad file descriptor) [pid 22085] close(26) = -1 EBADF (Bad file descriptor) [pid 22085] close(27) = -1 EBADF (Bad file descriptor) [pid 22085] close(28) = -1 EBADF (Bad file descriptor) [pid 22085] close(29) = -1 EBADF (Bad file descriptor) [pid 22085] exit_group(0) = ? [pid 22086] <... futex resumed>) = ? [pid 22087] <... futex resumed>) = ? [pid 22087] +++ exited with 0 +++ [pid 22086] +++ exited with 0 +++ [pid 22085] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7490", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7490", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7490/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7490/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7490/cgroup.cpu") = 0 [pid 287] umount2("./7490/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7490/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7490/binderfs") = 0 [pid 287] umount2("./7490/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7490/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7490/cgroup") = 0 [pid 287] umount2("./7490/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7490/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7490/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7490") = 0 [pid 287] mkdir("./7491", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22088 attached [pid 22088] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22088] chdir("./7491") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21679 [pid 22088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22088] setpgid(0, 0) = 0 [pid 22088] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22088] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22088] write(3, "1000", 4) = 4 [pid 22088] close(3) = 0 [pid 22088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22088] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22088] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22088] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22089 attached [pid 22089] set_robust_list(0x7f3b956fb9a0, 24 [pid 22088] <... clone3 resumed> => {parent_tid=[21680]}, 88) = 21680 [pid 22089] <... set_robust_list resumed>) = 0 [pid 22088] rt_sigprocmask(SIG_SETMASK, [], [pid 22089] rt_sigprocmask(SIG_SETMASK, [], [pid 22088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22088] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22088] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22089] <... bpf resumed>) = 3 [pid 22089] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22088] <... futex resumed>) = 0 [pid 22089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22088] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22089] <... bpf resumed>) = 4 [pid 22088] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22089] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22089] <... futex resumed>) = 0 [pid 22088] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22089] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22088] <... futex resumed>) = 0 [pid 22089] <... bpf resumed>) = 0 [pid 22088] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22089] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22088] <... futex resumed>) = 0 [pid 22089] <... futex resumed>) = 0 [pid 22088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22089] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22088] <... mmap resumed>) = 0x7f3b956ba000 [pid 22088] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22090 attached => {parent_tid=[21681]}, 88) = 21681 [pid 22090] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22088] rt_sigprocmask(SIG_SETMASK, [], [pid 22090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22090] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22088] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22088] <... futex resumed>) = 0 [pid 22088] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22090] <... bpf resumed>) = 5 [pid 22090] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22090] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22088] <... futex resumed>) = 0 [pid 22088] close(3) = 0 [pid 22088] close(4) = 0 [pid 22088] close(5) = 0 [pid 22088] close(6) = -1 EBADF (Bad file descriptor) [pid 22088] close(7) = -1 EBADF (Bad file descriptor) [pid 22088] close(8) = -1 EBADF (Bad file descriptor) [pid 22088] close(9) = -1 EBADF (Bad file descriptor) [pid 22088] close(10) = -1 EBADF (Bad file descriptor) [pid 22088] close(11) = -1 EBADF (Bad file descriptor) [pid 22088] close(12) = -1 EBADF (Bad file descriptor) [pid 22088] close(13) = -1 EBADF (Bad file descriptor) [pid 22088] close(14) = -1 EBADF (Bad file descriptor) [pid 22088] close(15) = -1 EBADF (Bad file descriptor) [pid 22088] close(16) = -1 EBADF (Bad file descriptor) [pid 22088] close(17) = -1 EBADF (Bad file descriptor) [pid 22088] close(18) = -1 EBADF (Bad file descriptor) [pid 22088] close(19) = -1 EBADF (Bad file descriptor) [pid 22088] close(20) = -1 EBADF (Bad file descriptor) [pid 22088] close(21) = -1 EBADF (Bad file descriptor) [pid 22088] close(22) = -1 EBADF (Bad file descriptor) [pid 22088] close(23) = -1 EBADF (Bad file descriptor) [pid 22088] close(24) = -1 EBADF (Bad file descriptor) [pid 22088] close(25) = -1 EBADF (Bad file descriptor) [pid 22088] close(26) = -1 EBADF (Bad file descriptor) [pid 22088] close(27) = -1 EBADF (Bad file descriptor) [pid 22088] close(28) = -1 EBADF (Bad file descriptor) [pid 22088] close(29) = -1 EBADF (Bad file descriptor) [pid 22088] exit_group(0) = ? [pid 22089] <... futex resumed>) = ? [pid 22090] <... futex resumed>) = ? [pid 22090] +++ exited with 0 +++ [pid 22089] +++ exited with 0 +++ [pid 22088] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7491", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7491", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7491/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7491/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7491/cgroup.cpu") = 0 [pid 287] umount2("./7491/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7491/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7491/binderfs") = 0 [pid 287] umount2("./7491/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7491/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7491/cgroup") = 0 [pid 287] umount2("./7491/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7491/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7491/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7491") = 0 [pid 287] mkdir("./7492", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22091 attached [pid 22091] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22091] chdir("./7492" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21682 [pid 22091] <... chdir resumed>) = 0 [pid 22091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22091] setpgid(0, 0) = 0 [pid 22091] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22091] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22091] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22091] write(3, "1000", 4) = 4 [pid 22091] close(3) = 0 [pid 22091] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22091] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22091] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22091] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22092 attached [pid 22092] set_robust_list(0x7f3b956fb9a0, 24 [pid 22091] <... clone3 resumed> => {parent_tid=[21683]}, 88) = 21683 [pid 22092] <... set_robust_list resumed>) = 0 [pid 22091] rt_sigprocmask(SIG_SETMASK, [], [pid 22092] rt_sigprocmask(SIG_SETMASK, [], [pid 22091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22091] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22091] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22092] <... bpf resumed>) = 3 [pid 22092] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22091] <... futex resumed>) = 0 [pid 22092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22091] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22092] <... bpf resumed>) = 4 [pid 22091] <... futex resumed>) = 0 [pid 22092] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22091] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22092] <... futex resumed>) = 0 [pid 22091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22092] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22091] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22092] <... bpf resumed>) = 0 [pid 22091] <... futex resumed>) = 0 [pid 22092] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22091] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22092] <... futex resumed>) = 0 [pid 22091] <... futex resumed>) = 0 [pid 22092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22091] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22092] <... bpf resumed>) = 5 [pid 22092] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22091] <... futex resumed>) = 0 [pid 22092] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22091] close(3) = 0 [pid 22091] close(4) = 0 [pid 22091] close(5) = 0 [pid 22091] close(6) = -1 EBADF (Bad file descriptor) [pid 22091] close(7) = -1 EBADF (Bad file descriptor) [pid 22091] close(8) = -1 EBADF (Bad file descriptor) [pid 22091] close(9) = -1 EBADF (Bad file descriptor) [pid 22091] close(10) = -1 EBADF (Bad file descriptor) [pid 22091] close(11) = -1 EBADF (Bad file descriptor) [pid 22091] close(12) = -1 EBADF (Bad file descriptor) [pid 22091] close(13) = -1 EBADF (Bad file descriptor) [pid 22091] close(14) = -1 EBADF (Bad file descriptor) [pid 22091] close(15) = -1 EBADF (Bad file descriptor) [pid 22091] close(16) = -1 EBADF (Bad file descriptor) [pid 22091] close(17) = -1 EBADF (Bad file descriptor) [pid 22091] close(18) = -1 EBADF (Bad file descriptor) [pid 22091] close(19) = -1 EBADF (Bad file descriptor) [pid 22091] close(20) = -1 EBADF (Bad file descriptor) [pid 22091] close(21) = -1 EBADF (Bad file descriptor) [pid 22091] close(22) = -1 EBADF (Bad file descriptor) [pid 22091] close(23) = -1 EBADF (Bad file descriptor) [pid 22091] close(24) = -1 EBADF (Bad file descriptor) [pid 22091] close(25) = -1 EBADF (Bad file descriptor) [pid 22091] close(26) = -1 EBADF (Bad file descriptor) [pid 22091] close(27) = -1 EBADF (Bad file descriptor) [pid 22091] close(28) = -1 EBADF (Bad file descriptor) [pid 22091] close(29) = -1 EBADF (Bad file descriptor) [pid 22091] exit_group(0) = ? [pid 22092] <... futex resumed>) = ? [pid 22092] +++ exited with 0 +++ [pid 22091] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7492", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7492", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7492/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7492/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7492/cgroup.cpu") = 0 [pid 287] umount2("./7492/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7492/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7492/binderfs") = 0 [pid 287] umount2("./7492/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7492/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7492/cgroup") = 0 [pid 287] umount2("./7492/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7492/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7492/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7492") = 0 [pid 287] mkdir("./7493", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22093 attached [pid 22093] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22093] chdir("./7493") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21684 [pid 22093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22093] setpgid(0, 0) = 0 [pid 22093] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22093] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22093] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22093] write(3, "1000", 4) = 4 [pid 22093] close(3) = 0 [pid 22093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22093] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22093] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22093] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22094 attached => {parent_tid=[21685]}, 88) = 21685 [pid 22094] set_robust_list(0x7f3b956fb9a0, 24 [pid 22093] rt_sigprocmask(SIG_SETMASK, [], [pid 22094] <... set_robust_list resumed>) = 0 [pid 22093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22094] rt_sigprocmask(SIG_SETMASK, [], [pid 22093] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22093] <... futex resumed>) = 0 [pid 22093] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22094] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22093] <... futex resumed>) = 0 [pid 22094] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22093] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22093] <... futex resumed>) = 0 [pid 22094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22093] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22094] <... bpf resumed>) = 4 [pid 22094] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22093] <... futex resumed>) = 0 [pid 22094] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22093] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22093] <... futex resumed>) = 0 [pid 22094] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22093] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22094] <... bpf resumed>) = 0 [pid 22093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22094] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22093] <... mmap resumed>) = 0x7f3b956ba000 [pid 22094] <... futex resumed>) = 0 [pid 22093] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22094] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22093] <... mprotect resumed>) = 0 [pid 22093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22095 attached [pid 22095] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22093] <... clone3 resumed> => {parent_tid=[21686]}, 88) = 21686 [pid 22095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22093] rt_sigprocmask(SIG_SETMASK, [], [pid 22095] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22093] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22095] <... futex resumed>) = 0 [pid 22093] <... futex resumed>) = 1 [pid 22095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22093] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22095] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22095] <... futex resumed>) = 0 [pid 22095] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22093] close(3) = 0 [pid 22093] close(4) = 0 [pid 22093] close(5) = 0 [pid 22093] close(6) = -1 EBADF (Bad file descriptor) [pid 22093] close(7) = -1 EBADF (Bad file descriptor) [pid 22093] close(8) = -1 EBADF (Bad file descriptor) [pid 22093] close(9) = -1 EBADF (Bad file descriptor) [pid 22093] close(10) = -1 EBADF (Bad file descriptor) [pid 22093] close(11) = -1 EBADF (Bad file descriptor) [pid 22093] close(12) = -1 EBADF (Bad file descriptor) [pid 22093] close(13) = -1 EBADF (Bad file descriptor) [pid 22093] close(14) = -1 EBADF (Bad file descriptor) [pid 22093] close(15) = -1 EBADF (Bad file descriptor) [pid 22093] close(16) = -1 EBADF (Bad file descriptor) [pid 22093] close(17) = -1 EBADF (Bad file descriptor) [pid 22093] close(18) = -1 EBADF (Bad file descriptor) [pid 22093] close(19) = -1 EBADF (Bad file descriptor) [pid 22093] close(20) = -1 EBADF (Bad file descriptor) [pid 22093] close(21) = -1 EBADF (Bad file descriptor) [pid 22093] close(22) = -1 EBADF (Bad file descriptor) [pid 22093] close(23) = -1 EBADF (Bad file descriptor) [pid 22093] close(24) = -1 EBADF (Bad file descriptor) [pid 22093] close(25) = -1 EBADF (Bad file descriptor) [pid 22093] close(26) = -1 EBADF (Bad file descriptor) [pid 22093] close(27) = -1 EBADF (Bad file descriptor) [pid 22093] close(28) = -1 EBADF (Bad file descriptor) [pid 22093] close(29) = -1 EBADF (Bad file descriptor) [pid 22093] exit_group(0 [pid 22095] <... futex resumed>) = ? [pid 22094] <... futex resumed>) = ? [pid 22093] <... exit_group resumed>) = ? [pid 22095] +++ exited with 0 +++ [pid 22094] +++ exited with 0 +++ [pid 22093] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7493", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7493", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7493/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7493/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7493/cgroup.cpu") = 0 [pid 287] umount2("./7493/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7493/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7493/binderfs") = 0 [pid 287] umount2("./7493/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7493/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7493/cgroup") = 0 [pid 287] umount2("./7493/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7493/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7493/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7493") = 0 [pid 287] mkdir("./7494", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22096 attached [pid 22096] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22096] chdir("./7494") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21687 [pid 22096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22096] setpgid(0, 0) = 0 [pid 22096] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22096] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22096] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22096] write(3, "1000", 4) = 4 [pid 22096] close(3) = 0 [pid 22096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22096] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22096] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22096] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22097 attached [pid 22097] set_robust_list(0x7f3b956fb9a0, 24 [pid 22096] <... clone3 resumed> => {parent_tid=[21688]}, 88) = 21688 [pid 22097] <... set_robust_list resumed>) = 0 [pid 22096] rt_sigprocmask(SIG_SETMASK, [], [pid 22097] rt_sigprocmask(SIG_SETMASK, [], [pid 22096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22096] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22096] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22097] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22096] <... futex resumed>) = 0 [pid 22097] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22096] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22096] <... futex resumed>) = 0 [pid 22097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22096] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22097] <... bpf resumed>) = 4 [pid 22097] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22096] <... futex resumed>) = 0 [pid 22097] <... futex resumed>) = 1 [pid 22097] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22096] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22097] <... bpf resumed>) = 0 [pid 22097] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22096] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22097] <... futex resumed>) = 0 [pid 22096] <... futex resumed>) = 0 [pid 22097] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22096] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22098 attached [pid 22098] set_robust_list(0x7f3b956da9a0, 24 [pid 22096] <... clone3 resumed> => {parent_tid=[21689]}, 88) = 21689 [pid 22098] <... set_robust_list resumed>) = 0 [pid 22098] rt_sigprocmask(SIG_SETMASK, [], [pid 22096] rt_sigprocmask(SIG_SETMASK, [], [pid 22098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22096] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22096] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22098] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22096] <... futex resumed>) = 0 [pid 22098] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22096] close(3) = 0 [pid 22096] close(4) = 0 [pid 22096] close(5) = 0 [pid 22096] close(6) = -1 EBADF (Bad file descriptor) [pid 22096] close(7) = -1 EBADF (Bad file descriptor) [pid 22096] close(8) = -1 EBADF (Bad file descriptor) [pid 22096] close(9) = -1 EBADF (Bad file descriptor) [pid 22096] close(10) = -1 EBADF (Bad file descriptor) [pid 22096] close(11) = -1 EBADF (Bad file descriptor) [pid 22096] close(12) = -1 EBADF (Bad file descriptor) [pid 22096] close(13) = -1 EBADF (Bad file descriptor) [pid 22096] close(14) = -1 EBADF (Bad file descriptor) [pid 22096] close(15) = -1 EBADF (Bad file descriptor) [pid 22096] close(16) = -1 EBADF (Bad file descriptor) [pid 22096] close(17) = -1 EBADF (Bad file descriptor) [pid 22096] close(18) = -1 EBADF (Bad file descriptor) [pid 22096] close(19) = -1 EBADF (Bad file descriptor) [pid 22096] close(20) = -1 EBADF (Bad file descriptor) [pid 22096] close(21) = -1 EBADF (Bad file descriptor) [pid 22096] close(22) = -1 EBADF (Bad file descriptor) [pid 22096] close(23) = -1 EBADF (Bad file descriptor) [pid 22096] close(24) = -1 EBADF (Bad file descriptor) [pid 22096] close(25) = -1 EBADF (Bad file descriptor) [pid 22096] close(26) = -1 EBADF (Bad file descriptor) [pid 22096] close(27) = -1 EBADF (Bad file descriptor) [pid 22096] close(28) = -1 EBADF (Bad file descriptor) [pid 22096] close(29) = -1 EBADF (Bad file descriptor) [pid 22096] exit_group(0 [pid 22098] <... futex resumed>) = ? [pid 22097] <... futex resumed>) = ? [pid 22096] <... exit_group resumed>) = ? [pid 22098] +++ exited with 0 +++ [pid 22097] +++ exited with 0 +++ [pid 22096] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7494", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7494", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7494/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7494/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7494/cgroup.cpu") = 0 [pid 287] umount2("./7494/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7494/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7494/binderfs") = 0 [pid 287] umount2("./7494/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7494/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7494/cgroup") = 0 [pid 287] umount2("./7494/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7494/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7494/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7494") = 0 [pid 287] mkdir("./7495", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21690 ./strace-static-x86_64: Process 22099 attached [pid 22099] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22099] chdir("./7495") = 0 [pid 22099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22099] setpgid(0, 0) = 0 [pid 22099] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22099] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22099] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22099] write(3, "1000", 4) = 4 [pid 22099] close(3) = 0 [pid 22099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22099] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22099] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22099] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22100 attached [pid 22100] set_robust_list(0x7f3b956fb9a0, 24 [pid 22099] <... clone3 resumed> => {parent_tid=[21691]}, 88) = 21691 [pid 22099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22100] <... set_robust_list resumed>) = 0 [pid 22100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22100] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22099] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22099] <... futex resumed>) = 0 [pid 22100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22099] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22100] <... bpf resumed>) = 3 [pid 22100] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22099] <... futex resumed>) = 0 [pid 22100] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22099] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22099] <... futex resumed>) = 0 [pid 22100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22099] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22100] <... bpf resumed>) = 4 [pid 22100] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22099] <... futex resumed>) = 0 [pid 22100] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22099] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22099] <... futex resumed>) = 0 [pid 22100] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22099] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22100] <... bpf resumed>) = 0 [pid 22099] <... futex resumed>) = 0 [pid 22099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22100] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22099] <... mmap resumed>) = 0x7f3b956ba000 [pid 22100] <... futex resumed>) = 0 [pid 22099] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22100] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22099] <... mprotect resumed>) = 0 [pid 22099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22101 attached [pid 22101] set_robust_list(0x7f3b956da9a0, 24 [pid 22099] <... clone3 resumed> => {parent_tid=[21692]}, 88) = 21692 [pid 22101] <... set_robust_list resumed>) = 0 [pid 22099] rt_sigprocmask(SIG_SETMASK, [], [pid 22101] rt_sigprocmask(SIG_SETMASK, [], [pid 22099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22099] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22099] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22101] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22099] <... futex resumed>) = 0 [pid 22099] close(3) = 0 [pid 22099] close(4 [pid 22101] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22099] <... close resumed>) = 0 [pid 22099] close(5) = 0 [pid 22099] close(6) = -1 EBADF (Bad file descriptor) [pid 22099] close(7) = -1 EBADF (Bad file descriptor) [pid 22099] close(8) = -1 EBADF (Bad file descriptor) [pid 22099] close(9) = -1 EBADF (Bad file descriptor) [pid 22099] close(10) = -1 EBADF (Bad file descriptor) [pid 22099] close(11) = -1 EBADF (Bad file descriptor) [pid 22099] close(12) = -1 EBADF (Bad file descriptor) [pid 22099] close(13) = -1 EBADF (Bad file descriptor) [pid 22099] close(14) = -1 EBADF (Bad file descriptor) [pid 22099] close(15) = -1 EBADF (Bad file descriptor) [pid 22099] close(16) = -1 EBADF (Bad file descriptor) [pid 22099] close(17) = -1 EBADF (Bad file descriptor) [pid 22099] close(18) = -1 EBADF (Bad file descriptor) [pid 22099] close(19) = -1 EBADF (Bad file descriptor) [pid 22099] close(20) = -1 EBADF (Bad file descriptor) [pid 22099] close(21) = -1 EBADF (Bad file descriptor) [pid 22099] close(22) = -1 EBADF (Bad file descriptor) [pid 22099] close(23) = -1 EBADF (Bad file descriptor) [pid 22099] close(24) = -1 EBADF (Bad file descriptor) [pid 22099] close(25) = -1 EBADF (Bad file descriptor) [pid 22099] close(26) = -1 EBADF (Bad file descriptor) [pid 22099] close(27) = -1 EBADF (Bad file descriptor) [pid 22099] close(28) = -1 EBADF (Bad file descriptor) [pid 22099] close(29) = -1 EBADF (Bad file descriptor) [pid 22099] exit_group(0 [pid 22100] <... futex resumed>) = ? [pid 22099] <... exit_group resumed>) = ? [pid 22100] +++ exited with 0 +++ [pid 22101] <... futex resumed>) = ? [pid 22101] +++ exited with 0 +++ [pid 22099] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7495", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7495", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7495/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7495/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7495/cgroup.cpu") = 0 [pid 287] umount2("./7495/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7495/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7495/binderfs") = 0 [pid 287] umount2("./7495/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7495/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7495/cgroup") = 0 [pid 287] umount2("./7495/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7495/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7495/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7495") = 0 [pid 287] mkdir("./7496", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21693 ./strace-static-x86_64: Process 22102 attached [pid 22102] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22102] chdir("./7496") = 0 [pid 22102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22102] setpgid(0, 0) = 0 [pid 22102] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22102] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22102] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22102] write(3, "1000", 4) = 4 [pid 22102] close(3) = 0 [pid 22102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22102] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22102] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22102] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22103 attached [pid 22103] set_robust_list(0x7f3b956fb9a0, 24 [pid 22102] <... clone3 resumed> => {parent_tid=[21694]}, 88) = 21694 [pid 22103] <... set_robust_list resumed>) = 0 [pid 22103] rt_sigprocmask(SIG_SETMASK, [], [pid 22102] rt_sigprocmask(SIG_SETMASK, [], [pid 22103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22103] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22102] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22103] <... futex resumed>) = 0 [pid 22102] <... futex resumed>) = 1 [pid 22103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22102] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22103] <... bpf resumed>) = 3 [pid 22103] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22102] <... futex resumed>) = 0 [pid 22103] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22102] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22102] <... futex resumed>) = 0 [pid 22103] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22102] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22103] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22102] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22103] <... futex resumed>) = 0 [pid 22102] <... futex resumed>) = 1 [pid 22103] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22102] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22103] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22102] <... futex resumed>) = 0 [pid 22103] <... futex resumed>) = 0 [pid 22102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22103] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22102] <... mmap resumed>) = 0x7f3b956ba000 [pid 22102] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22104 attached [pid 22104] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22104] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22102] <... clone3 resumed> => {parent_tid=[21695]}, 88) = 21695 [pid 22102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22102] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22104] <... futex resumed>) = 0 [pid 22102] <... futex resumed>) = 1 [pid 22104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22102] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22104] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22104] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22102] close(3) = 0 [pid 22102] close(4) = 0 [pid 22102] close(5) = 0 [pid 22102] close(6) = -1 EBADF (Bad file descriptor) [pid 22102] close(7) = -1 EBADF (Bad file descriptor) [pid 22102] close(8) = -1 EBADF (Bad file descriptor) [pid 22102] close(9) = -1 EBADF (Bad file descriptor) [pid 22102] close(10) = -1 EBADF (Bad file descriptor) [pid 22102] close(11) = -1 EBADF (Bad file descriptor) [pid 22102] close(12) = -1 EBADF (Bad file descriptor) [pid 22102] close(13) = -1 EBADF (Bad file descriptor) [pid 22102] close(14) = -1 EBADF (Bad file descriptor) [pid 22102] close(15) = -1 EBADF (Bad file descriptor) [pid 22102] close(16) = -1 EBADF (Bad file descriptor) [pid 22102] close(17) = -1 EBADF (Bad file descriptor) [pid 22102] close(18) = -1 EBADF (Bad file descriptor) [pid 22102] close(19) = -1 EBADF (Bad file descriptor) [pid 22102] close(20) = -1 EBADF (Bad file descriptor) [pid 22102] close(21) = -1 EBADF (Bad file descriptor) [pid 22102] close(22) = -1 EBADF (Bad file descriptor) [pid 22102] close(23) = -1 EBADF (Bad file descriptor) [pid 22102] close(24) = -1 EBADF (Bad file descriptor) [pid 22102] close(25) = -1 EBADF (Bad file descriptor) [pid 22102] close(26) = -1 EBADF (Bad file descriptor) [pid 22102] close(27) = -1 EBADF (Bad file descriptor) [pid 22102] close(28) = -1 EBADF (Bad file descriptor) [pid 22102] close(29) = -1 EBADF (Bad file descriptor) [pid 22102] exit_group(0 [pid 22104] <... futex resumed>) = ? [pid 22103] <... futex resumed>) = ? [pid 22102] <... exit_group resumed>) = ? [pid 22104] +++ exited with 0 +++ [pid 22103] +++ exited with 0 +++ [pid 22102] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7496", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7496", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7496/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7496/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7496/cgroup.cpu") = 0 [pid 287] umount2("./7496/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7496/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7496/binderfs") = 0 [pid 287] umount2("./7496/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7496/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7496/cgroup") = 0 [pid 287] umount2("./7496/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7496/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7496/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7496") = 0 [pid 287] mkdir("./7497", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22105 attached [pid 22105] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21696 [pid 22105] chdir("./7497") = 0 [pid 22105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22105] setpgid(0, 0) = 0 [pid 22105] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22105] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22105] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22105] write(3, "1000", 4) = 4 [pid 22105] close(3) = 0 [pid 22105] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22105] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22105] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22105] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22106 attached [pid 22106] set_robust_list(0x7f3b956fb9a0, 24 [pid 22105] <... clone3 resumed> => {parent_tid=[21697]}, 88) = 21697 [pid 22106] <... set_robust_list resumed>) = 0 [pid 22105] rt_sigprocmask(SIG_SETMASK, [], [pid 22106] rt_sigprocmask(SIG_SETMASK, [], [pid 22105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22105] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22105] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22106] <... bpf resumed>) = 3 [pid 22106] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22105] <... futex resumed>) = 0 [pid 22106] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22105] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22105] <... futex resumed>) = 0 [pid 22106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22105] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22106] <... bpf resumed>) = 4 [pid 22106] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22105] <... futex resumed>) = 0 [pid 22106] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22105] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22105] <... futex resumed>) = 0 [pid 22106] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22105] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22106] <... bpf resumed>) = 0 [pid 22105] <... futex resumed>) = 0 [pid 22106] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22106] <... futex resumed>) = 0 [pid 22105] <... mmap resumed>) = 0x7f3b956ba000 [pid 22106] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22105] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22107 attached [pid 22107] set_robust_list(0x7f3b956da9a0, 24 [pid 22105] <... clone3 resumed> => {parent_tid=[21698]}, 88) = 21698 [pid 22107] <... set_robust_list resumed>) = 0 [pid 22107] rt_sigprocmask(SIG_SETMASK, [], [pid 22105] rt_sigprocmask(SIG_SETMASK, [], [pid 22107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22107] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22105] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22107] <... futex resumed>) = 0 [pid 22105] <... futex resumed>) = 1 [pid 22107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22105] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22107] <... bpf resumed>) = 5 [pid 22107] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22105] <... futex resumed>) = 0 [pid 22107] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22105] close(3) = 0 [pid 22105] close(4) = 0 [pid 22105] close(5) = 0 [pid 22105] close(6) = -1 EBADF (Bad file descriptor) [pid 22105] close(7) = -1 EBADF (Bad file descriptor) [pid 22105] close(8) = -1 EBADF (Bad file descriptor) [pid 22105] close(9) = -1 EBADF (Bad file descriptor) [pid 22105] close(10) = -1 EBADF (Bad file descriptor) [pid 22105] close(11) = -1 EBADF (Bad file descriptor) [pid 22105] close(12) = -1 EBADF (Bad file descriptor) [pid 22105] close(13) = -1 EBADF (Bad file descriptor) [pid 22105] close(14) = -1 EBADF (Bad file descriptor) [pid 22105] close(15) = -1 EBADF (Bad file descriptor) [pid 22105] close(16) = -1 EBADF (Bad file descriptor) [pid 22105] close(17) = -1 EBADF (Bad file descriptor) [pid 22105] close(18) = -1 EBADF (Bad file descriptor) [pid 22105] close(19) = -1 EBADF (Bad file descriptor) [pid 22105] close(20) = -1 EBADF (Bad file descriptor) [pid 22105] close(21) = -1 EBADF (Bad file descriptor) [pid 22105] close(22) = -1 EBADF (Bad file descriptor) [pid 22105] close(23) = -1 EBADF (Bad file descriptor) [pid 22105] close(24) = -1 EBADF (Bad file descriptor) [pid 22105] close(25) = -1 EBADF (Bad file descriptor) [pid 22105] close(26) = -1 EBADF (Bad file descriptor) [pid 22105] close(27) = -1 EBADF (Bad file descriptor) [pid 22105] close(28) = -1 EBADF (Bad file descriptor) [pid 22105] close(29) = -1 EBADF (Bad file descriptor) [pid 22105] exit_group(0 [pid 22106] <... futex resumed>) = ? [pid 22105] <... exit_group resumed>) = ? [pid 22107] <... futex resumed>) = ? [pid 22106] +++ exited with 0 +++ [pid 22107] +++ exited with 0 +++ [pid 22105] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7497", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7497", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7497/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7497/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7497/cgroup.cpu") = 0 [pid 287] umount2("./7497/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7497/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7497/binderfs") = 0 [pid 287] umount2("./7497/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7497/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7497/cgroup") = 0 [pid 287] umount2("./7497/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7497/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7497/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7497") = 0 [pid 287] mkdir("./7498", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22108 attached [pid 22108] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22108] chdir("./7498") = 0 [pid 22108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22108] setpgid(0, 0) = 0 [pid 22108] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21699 [pid 22108] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22108] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22108] write(3, "1000", 4) = 4 [pid 22108] close(3) = 0 [pid 22108] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22108] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22108] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22108] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22109 attached => {parent_tid=[21700]}, 88) = 21700 [pid 22109] set_robust_list(0x7f3b956fb9a0, 24 [pid 22108] rt_sigprocmask(SIG_SETMASK, [], [pid 22109] <... set_robust_list resumed>) = 0 [pid 22108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22109] rt_sigprocmask(SIG_SETMASK, [], [pid 22108] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22108] <... futex resumed>) = 0 [pid 22109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22108] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22109] <... bpf resumed>) = 3 [pid 22109] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22108] <... futex resumed>) = 0 [pid 22109] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22108] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22108] <... futex resumed>) = 0 [pid 22109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22108] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22109] <... bpf resumed>) = 4 [pid 22109] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22108] <... futex resumed>) = 0 [pid 22109] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22108] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22108] <... futex resumed>) = 0 [pid 22109] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22108] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22109] <... bpf resumed>) = 0 [pid 22108] <... futex resumed>) = 0 [pid 22109] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22109] <... futex resumed>) = 0 [pid 22108] <... mmap resumed>) = 0x7f3b956ba000 [pid 22109] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22108] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22110 attached => {parent_tid=[21701]}, 88) = 21701 [pid 22110] set_robust_list(0x7f3b956da9a0, 24 [pid 22108] rt_sigprocmask(SIG_SETMASK, [], [pid 22110] <... set_robust_list resumed>) = 0 [pid 22110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22110] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22108] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22110] <... futex resumed>) = 0 [pid 22108] <... futex resumed>) = 1 [pid 22110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22108] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22110] <... bpf resumed>) = 5 [pid 22110] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22108] <... futex resumed>) = 0 [pid 22110] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22108] close(3) = 0 [pid 22108] close(4) = 0 [pid 22108] close(5) = 0 [pid 22108] close(6) = -1 EBADF (Bad file descriptor) [pid 22108] close(7) = -1 EBADF (Bad file descriptor) [pid 22108] close(8) = -1 EBADF (Bad file descriptor) [pid 22108] close(9) = -1 EBADF (Bad file descriptor) [pid 22108] close(10) = -1 EBADF (Bad file descriptor) [pid 22108] close(11) = -1 EBADF (Bad file descriptor) [pid 22108] close(12) = -1 EBADF (Bad file descriptor) [pid 22108] close(13) = -1 EBADF (Bad file descriptor) [pid 22108] close(14) = -1 EBADF (Bad file descriptor) [pid 22108] close(15) = -1 EBADF (Bad file descriptor) [pid 22108] close(16) = -1 EBADF (Bad file descriptor) [pid 22108] close(17) = -1 EBADF (Bad file descriptor) [pid 22108] close(18) = -1 EBADF (Bad file descriptor) [pid 22108] close(19) = -1 EBADF (Bad file descriptor) [pid 22108] close(20) = -1 EBADF (Bad file descriptor) [pid 22108] close(21) = -1 EBADF (Bad file descriptor) [pid 22108] close(22) = -1 EBADF (Bad file descriptor) [pid 22108] close(23) = -1 EBADF (Bad file descriptor) [pid 22108] close(24) = -1 EBADF (Bad file descriptor) [pid 22108] close(25) = -1 EBADF (Bad file descriptor) [pid 22108] close(26) = -1 EBADF (Bad file descriptor) [pid 22108] close(27) = -1 EBADF (Bad file descriptor) [pid 22108] close(28) = -1 EBADF (Bad file descriptor) [pid 22108] close(29) = -1 EBADF (Bad file descriptor) [pid 22108] exit_group(0) = ? [pid 22109] <... futex resumed>) = ? [pid 22110] <... futex resumed>) = ? [pid 22109] +++ exited with 0 +++ [pid 22110] +++ exited with 0 +++ [pid 22108] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7498", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7498", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7498/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7498/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7498/cgroup.cpu") = 0 [pid 287] umount2("./7498/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7498/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7498/binderfs") = 0 [pid 287] umount2("./7498/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7498/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7498/cgroup") = 0 [pid 287] umount2("./7498/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7498/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7498/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7498") = 0 [pid 287] mkdir("./7499", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22111 attached [pid 22111] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21702 [pid 22111] chdir("./7499") = 0 [pid 22111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22111] setpgid(0, 0) = 0 [pid 22111] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22111] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22111] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22111] write(3, "1000", 4) = 4 [pid 22111] close(3) = 0 [pid 22111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22111] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22111] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22111] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22112 attached [pid 22112] set_robust_list(0x7f3b956fb9a0, 24 [pid 22111] <... clone3 resumed> => {parent_tid=[21703]}, 88) = 21703 [pid 22112] <... set_robust_list resumed>) = 0 [pid 22111] rt_sigprocmask(SIG_SETMASK, [], [pid 22112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22112] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22111] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22111] <... futex resumed>) = 0 [pid 22112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22111] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22112] <... bpf resumed>) = 3 [pid 22112] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22112] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22111] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22111] <... futex resumed>) = 0 [pid 22112] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22111] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22112] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22111] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22112] <... futex resumed>) = 0 [pid 22111] <... futex resumed>) = 1 [pid 22112] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22111] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22112] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22111] <... futex resumed>) = 0 [pid 22112] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22111] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22113 attached [pid 22113] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22113] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22111] <... clone3 resumed> => {parent_tid=[21704]}, 88) = 21704 [pid 22111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22111] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22113] <... futex resumed>) = 0 [pid 22111] <... futex resumed>) = 1 [pid 22113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22111] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22113] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22113] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22111] close(3) = 0 [pid 22111] close(4) = 0 [pid 22111] close(5) = 0 [pid 22111] close(6) = -1 EBADF (Bad file descriptor) [pid 22111] close(7) = -1 EBADF (Bad file descriptor) [pid 22111] close(8) = -1 EBADF (Bad file descriptor) [pid 22111] close(9) = -1 EBADF (Bad file descriptor) [pid 22111] close(10) = -1 EBADF (Bad file descriptor) [pid 22111] close(11) = -1 EBADF (Bad file descriptor) [pid 22111] close(12) = -1 EBADF (Bad file descriptor) [pid 22111] close(13) = -1 EBADF (Bad file descriptor) [pid 22111] close(14) = -1 EBADF (Bad file descriptor) [pid 22111] close(15) = -1 EBADF (Bad file descriptor) [pid 22111] close(16) = -1 EBADF (Bad file descriptor) [pid 22111] close(17) = -1 EBADF (Bad file descriptor) [pid 22111] close(18) = -1 EBADF (Bad file descriptor) [pid 22111] close(19) = -1 EBADF (Bad file descriptor) [pid 22111] close(20) = -1 EBADF (Bad file descriptor) [pid 22111] close(21) = -1 EBADF (Bad file descriptor) [pid 22111] close(22) = -1 EBADF (Bad file descriptor) [pid 22111] close(23) = -1 EBADF (Bad file descriptor) [pid 22111] close(24) = -1 EBADF (Bad file descriptor) [pid 22111] close(25) = -1 EBADF (Bad file descriptor) [pid 22111] close(26) = -1 EBADF (Bad file descriptor) [pid 22111] close(27) = -1 EBADF (Bad file descriptor) [pid 22111] close(28) = -1 EBADF (Bad file descriptor) [pid 22111] close(29) = -1 EBADF (Bad file descriptor) [pid 22111] exit_group(0 [pid 22113] <... futex resumed>) = ? [pid 22112] <... futex resumed>) = ? [pid 22111] <... exit_group resumed>) = ? [pid 22113] +++ exited with 0 +++ [pid 22112] +++ exited with 0 +++ [pid 22111] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7499", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7499", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7499/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7499/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7499/cgroup.cpu") = 0 [pid 287] umount2("./7499/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7499/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7499/binderfs") = 0 [pid 287] umount2("./7499/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7499/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7499/cgroup") = 0 [pid 287] umount2("./7499/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7499/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7499/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7499") = 0 [pid 287] mkdir("./7500", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22114 attached [pid 22114] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21705 [pid 22114] chdir("./7500") = 0 [pid 22114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22114] setpgid(0, 0) = 0 [pid 22114] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22114] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22114] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22114] write(3, "1000", 4) = 4 [pid 22114] close(3) = 0 [pid 22114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22114] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22114] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22114] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22115 attached [pid 22115] set_robust_list(0x7f3b956fb9a0, 24 [pid 22114] <... clone3 resumed> => {parent_tid=[21706]}, 88) = 21706 [pid 22115] <... set_robust_list resumed>) = 0 [pid 22114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22114] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22115] rt_sigprocmask(SIG_SETMASK, [], [pid 22114] <... futex resumed>) = 0 [pid 22115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22114] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22115] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22114] <... futex resumed>) = 0 [pid 22115] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22114] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22114] <... futex resumed>) = 0 [pid 22114] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22115] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22114] <... futex resumed>) = 0 [pid 22115] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22114] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22115] <... bpf resumed>) = 0 [pid 22114] <... futex resumed>) = 0 [pid 22115] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22114] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22115] <... futex resumed>) = 0 [pid 22114] <... futex resumed>) = 0 [pid 22115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22114] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22115] <... bpf resumed>) = 5 [pid 22115] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22114] <... futex resumed>) = 0 [pid 22115] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22114] close(3) = 0 [pid 22114] close(4) = 0 [pid 22114] close(5) = 0 [pid 22114] close(6) = -1 EBADF (Bad file descriptor) [pid 22114] close(7) = -1 EBADF (Bad file descriptor) [pid 22114] close(8) = -1 EBADF (Bad file descriptor) [pid 22114] close(9) = -1 EBADF (Bad file descriptor) [pid 22114] close(10) = -1 EBADF (Bad file descriptor) [pid 22114] close(11) = -1 EBADF (Bad file descriptor) [pid 22114] close(12) = -1 EBADF (Bad file descriptor) [pid 22114] close(13) = -1 EBADF (Bad file descriptor) [pid 22114] close(14) = -1 EBADF (Bad file descriptor) [pid 22114] close(15) = -1 EBADF (Bad file descriptor) [pid 22114] close(16) = -1 EBADF (Bad file descriptor) [pid 22114] close(17) = -1 EBADF (Bad file descriptor) [pid 22114] close(18) = -1 EBADF (Bad file descriptor) [pid 22114] close(19) = -1 EBADF (Bad file descriptor) [pid 22114] close(20) = -1 EBADF (Bad file descriptor) [pid 22114] close(21) = -1 EBADF (Bad file descriptor) [pid 22114] close(22) = -1 EBADF (Bad file descriptor) [pid 22114] close(23) = -1 EBADF (Bad file descriptor) [pid 22114] close(24) = -1 EBADF (Bad file descriptor) [pid 22114] close(25) = -1 EBADF (Bad file descriptor) [pid 22114] close(26) = -1 EBADF (Bad file descriptor) [pid 22114] close(27) = -1 EBADF (Bad file descriptor) [pid 22114] close(28) = -1 EBADF (Bad file descriptor) [pid 22114] close(29) = -1 EBADF (Bad file descriptor) [pid 22114] exit_group(0) = ? [pid 22115] <... futex resumed>) = ? [pid 22115] +++ exited with 0 +++ [pid 22114] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7500", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7500", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7500/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7500/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7500/cgroup.cpu") = 0 [pid 287] umount2("./7500/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7500/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7500/binderfs") = 0 [pid 287] umount2("./7500/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7500/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7500/cgroup") = 0 [pid 287] umount2("./7500/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7500/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7500/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7500") = 0 [pid 287] mkdir("./7501", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22116 attached , child_tidptr=0x555555ae1690) = 21707 [pid 22116] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22116] chdir("./7501") = 0 [pid 22116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22116] setpgid(0, 0) = 0 [pid 22116] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22116] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22116] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22116] write(3, "1000", 4) = 4 [pid 22116] close(3) = 0 [pid 22116] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22116] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22116] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22116] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22116] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22117 attached [pid 22117] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22117] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22116] <... clone3 resumed> => {parent_tid=[21708]}, 88) = 21708 [pid 22116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22116] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22117] <... futex resumed>) = 0 [pid 22116] <... futex resumed>) = 1 [pid 22117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22116] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22117] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22117] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22116] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22117] <... futex resumed>) = 0 [pid 22116] <... futex resumed>) = 1 [pid 22117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22116] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22117] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22117] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22116] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22117] <... futex resumed>) = 0 [pid 22116] <... futex resumed>) = 1 [pid 22117] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22116] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22117] <... bpf resumed>) = 0 [pid 22116] <... futex resumed>) = 0 [pid 22117] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22117] <... futex resumed>) = 0 [pid 22117] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22116] <... mmap resumed>) = 0x7f3b956ba000 [pid 22116] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22116] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22118 attached [pid 22118] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22118] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22116] <... clone3 resumed> => {parent_tid=[21709]}, 88) = 21709 [pid 22116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22116] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22118] <... futex resumed>) = 0 [pid 22116] <... futex resumed>) = 1 [pid 22118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22116] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22118] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22118] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22116] close(3) = 0 [pid 22116] close(4) = 0 [pid 22116] close(5) = 0 [pid 22116] close(6) = -1 EBADF (Bad file descriptor) [pid 22116] close(7) = -1 EBADF (Bad file descriptor) [pid 22116] close(8) = -1 EBADF (Bad file descriptor) [pid 22116] close(9) = -1 EBADF (Bad file descriptor) [pid 22116] close(10) = -1 EBADF (Bad file descriptor) [pid 22116] close(11) = -1 EBADF (Bad file descriptor) [pid 22116] close(12) = -1 EBADF (Bad file descriptor) [pid 22116] close(13) = -1 EBADF (Bad file descriptor) [pid 22116] close(14) = -1 EBADF (Bad file descriptor) [pid 22116] close(15) = -1 EBADF (Bad file descriptor) [pid 22116] close(16) = -1 EBADF (Bad file descriptor) [pid 22116] close(17) = -1 EBADF (Bad file descriptor) [pid 22116] close(18) = -1 EBADF (Bad file descriptor) [pid 22116] close(19) = -1 EBADF (Bad file descriptor) [pid 22116] close(20) = -1 EBADF (Bad file descriptor) [pid 22116] close(21) = -1 EBADF (Bad file descriptor) [pid 22116] close(22) = -1 EBADF (Bad file descriptor) [pid 22116] close(23) = -1 EBADF (Bad file descriptor) [pid 22116] close(24) = -1 EBADF (Bad file descriptor) [pid 22116] close(25) = -1 EBADF (Bad file descriptor) [pid 22116] close(26) = -1 EBADF (Bad file descriptor) [pid 22116] close(27) = -1 EBADF (Bad file descriptor) [pid 22116] close(28) = -1 EBADF (Bad file descriptor) [pid 22116] close(29) = -1 EBADF (Bad file descriptor) [pid 22116] exit_group(0 [pid 22118] <... futex resumed>) = ? [pid 22117] <... futex resumed>) = ? [pid 22116] <... exit_group resumed>) = ? [pid 22118] +++ exited with 0 +++ [pid 22117] +++ exited with 0 +++ [pid 22116] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7501", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7501", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7501/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7501/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7501/cgroup.cpu") = 0 [pid 287] umount2("./7501/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7501/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7501/binderfs") = 0 [pid 287] umount2("./7501/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7501/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7501/cgroup") = 0 [pid 287] umount2("./7501/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7501/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7501/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7501") = 0 [pid 287] mkdir("./7502", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22119 attached [pid 22119] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21710 [pid 22119] chdir("./7502") = 0 [pid 22119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22119] setpgid(0, 0) = 0 [pid 22119] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22119] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22119] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22119] write(3, "1000", 4) = 4 [pid 22119] close(3) = 0 [pid 22119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22119] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22119] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22119] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22120 attached => {parent_tid=[21711]}, 88) = 21711 [pid 22120] set_robust_list(0x7f3b956fb9a0, 24 [pid 22119] rt_sigprocmask(SIG_SETMASK, [], [pid 22120] <... set_robust_list resumed>) = 0 [pid 22119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22120] rt_sigprocmask(SIG_SETMASK, [], [pid 22119] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22119] <... futex resumed>) = 0 [pid 22119] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22120] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22119] <... futex resumed>) = 0 [pid 22120] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22119] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22119] <... futex resumed>) = 0 [pid 22120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22119] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22120] <... bpf resumed>) = 4 [pid 22120] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22119] <... futex resumed>) = 0 [pid 22120] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22119] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22119] <... futex resumed>) = 0 [pid 22120] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22119] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22119] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22120] <... bpf resumed>) = 0 [pid 22119] <... mprotect resumed>) = 0 [pid 22120] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22120] <... futex resumed>) = 0 [pid 22119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22120] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22121 attached [pid 22121] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22119] <... clone3 resumed> => {parent_tid=[21712]}, 88) = 21712 [pid 22121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22119] rt_sigprocmask(SIG_SETMASK, [], [pid 22121] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22119] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22121] <... futex resumed>) = 0 [pid 22119] <... futex resumed>) = 1 [pid 22121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22119] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22121] <... bpf resumed>) = 5 [pid 22121] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22119] <... futex resumed>) = 0 [pid 22121] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22119] close(3) = 0 [pid 22119] close(4) = 0 [pid 22119] close(5) = 0 [pid 22119] close(6) = -1 EBADF (Bad file descriptor) [pid 22119] close(7) = -1 EBADF (Bad file descriptor) [pid 22119] close(8) = -1 EBADF (Bad file descriptor) [pid 22119] close(9) = -1 EBADF (Bad file descriptor) [pid 22119] close(10) = -1 EBADF (Bad file descriptor) [pid 22119] close(11) = -1 EBADF (Bad file descriptor) [pid 22119] close(12) = -1 EBADF (Bad file descriptor) [pid 22119] close(13) = -1 EBADF (Bad file descriptor) [pid 22119] close(14) = -1 EBADF (Bad file descriptor) [pid 22119] close(15) = -1 EBADF (Bad file descriptor) [pid 22119] close(16) = -1 EBADF (Bad file descriptor) [pid 22119] close(17) = -1 EBADF (Bad file descriptor) [pid 22119] close(18) = -1 EBADF (Bad file descriptor) [pid 22119] close(19) = -1 EBADF (Bad file descriptor) [pid 22119] close(20) = -1 EBADF (Bad file descriptor) [pid 22119] close(21) = -1 EBADF (Bad file descriptor) [pid 22119] close(22) = -1 EBADF (Bad file descriptor) [pid 22119] close(23) = -1 EBADF (Bad file descriptor) [pid 22119] close(24) = -1 EBADF (Bad file descriptor) [pid 22119] close(25) = -1 EBADF (Bad file descriptor) [pid 22119] close(26) = -1 EBADF (Bad file descriptor) [pid 22119] close(27) = -1 EBADF (Bad file descriptor) [pid 22119] close(28) = -1 EBADF (Bad file descriptor) [pid 22119] close(29) = -1 EBADF (Bad file descriptor) [pid 22119] exit_group(0 [pid 22121] <... futex resumed>) = ? [pid 22119] <... exit_group resumed>) = ? [pid 22121] +++ exited with 0 +++ [pid 22120] <... futex resumed>) = ? [pid 22120] +++ exited with 0 +++ [pid 22119] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7502", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7502", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7502/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7502/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7502/cgroup.cpu") = 0 [pid 287] umount2("./7502/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7502/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7502/binderfs") = 0 [pid 287] umount2("./7502/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7502/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7502/cgroup") = 0 [pid 287] umount2("./7502/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7502/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7502/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7502") = 0 [pid 287] mkdir("./7503", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22122 attached [pid 22122] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22122] chdir("./7503") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21713 [pid 22122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22122] setpgid(0, 0) = 0 [pid 22122] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22122] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22122] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22122] write(3, "1000", 4) = 4 [pid 22122] close(3) = 0 [pid 22122] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22122] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22122] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22122] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22122] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22123 attached [pid 22123] set_robust_list(0x7f3b956fb9a0, 24 [pid 22122] <... clone3 resumed> => {parent_tid=[21714]}, 88) = 21714 [pid 22123] <... set_robust_list resumed>) = 0 [pid 22122] rt_sigprocmask(SIG_SETMASK, [], [pid 22123] rt_sigprocmask(SIG_SETMASK, [], [pid 22122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22122] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22122] <... futex resumed>) = 0 [pid 22123] <... bpf resumed>) = 3 [pid 22122] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22123] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22123] <... futex resumed>) = 0 [pid 22122] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22122] <... futex resumed>) = 0 [pid 22123] <... bpf resumed>) = 4 [pid 22122] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22123] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22123] <... futex resumed>) = 0 [pid 22122] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22123] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22122] <... futex resumed>) = 0 [pid 22123] <... bpf resumed>) = 0 [pid 22122] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22123] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22122] <... futex resumed>) = 0 [pid 22123] <... futex resumed>) = 0 [pid 22122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22123] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22122] <... mmap resumed>) = 0x7f3b956ba000 [pid 22122] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22122] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22124 attached [pid 22124] set_robust_list(0x7f3b956da9a0, 24 [pid 22122] <... clone3 resumed> => {parent_tid=[21715]}, 88) = 21715 [pid 22124] <... set_robust_list resumed>) = 0 [pid 22122] rt_sigprocmask(SIG_SETMASK, [], [pid 22124] rt_sigprocmask(SIG_SETMASK, [], [pid 22122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22122] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22122] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22124] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22122] <... futex resumed>) = 0 [pid 22122] close(3 [pid 22124] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22122] <... close resumed>) = 0 [pid 22122] close(4) = 0 [pid 22122] close(5) = 0 [pid 22122] close(6) = -1 EBADF (Bad file descriptor) [pid 22122] close(7) = -1 EBADF (Bad file descriptor) [pid 22122] close(8) = -1 EBADF (Bad file descriptor) [pid 22122] close(9) = -1 EBADF (Bad file descriptor) [pid 22122] close(10) = -1 EBADF (Bad file descriptor) [pid 22122] close(11) = -1 EBADF (Bad file descriptor) [pid 22122] close(12) = -1 EBADF (Bad file descriptor) [pid 22122] close(13) = -1 EBADF (Bad file descriptor) [pid 22122] close(14) = -1 EBADF (Bad file descriptor) [pid 22122] close(15) = -1 EBADF (Bad file descriptor) [pid 22122] close(16) = -1 EBADF (Bad file descriptor) [pid 22122] close(17) = -1 EBADF (Bad file descriptor) [pid 22122] close(18) = -1 EBADF (Bad file descriptor) [pid 22122] close(19) = -1 EBADF (Bad file descriptor) [pid 22122] close(20) = -1 EBADF (Bad file descriptor) [pid 22122] close(21) = -1 EBADF (Bad file descriptor) [pid 22122] close(22) = -1 EBADF (Bad file descriptor) [pid 22122] close(23) = -1 EBADF (Bad file descriptor) [pid 22122] close(24) = -1 EBADF (Bad file descriptor) [pid 22122] close(25) = -1 EBADF (Bad file descriptor) [pid 22122] close(26) = -1 EBADF (Bad file descriptor) [pid 22122] close(27) = -1 EBADF (Bad file descriptor) [pid 22122] close(28) = -1 EBADF (Bad file descriptor) [pid 22122] close(29) = -1 EBADF (Bad file descriptor) [pid 22122] exit_group(0 [pid 22124] <... futex resumed>) = ? [pid 22123] <... futex resumed>) = ? [pid 22122] <... exit_group resumed>) = ? [pid 22124] +++ exited with 0 +++ [pid 22123] +++ exited with 0 +++ [pid 22122] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7503", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7503", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7503/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7503/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7503/cgroup.cpu") = 0 [pid 287] umount2("./7503/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7503/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7503/binderfs") = 0 [pid 287] umount2("./7503/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7503/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7503/cgroup") = 0 [pid 287] umount2("./7503/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7503/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7503/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7503") = 0 [pid 287] mkdir("./7504", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22125 attached [pid 22125] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22125] chdir("./7504") = 0 [pid 22125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22125] setpgid(0, 0) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21716 [pid 22125] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22125] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22125] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22125] write(3, "1000", 4) = 4 [pid 22125] close(3) = 0 [pid 22125] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22125] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22125] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22125] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22125] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22126 attached [pid 22126] set_robust_list(0x7f3b956fb9a0, 24 [pid 22125] <... clone3 resumed> => {parent_tid=[21717]}, 88) = 21717 [pid 22126] <... set_robust_list resumed>) = 0 [pid 22125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22126] rt_sigprocmask(SIG_SETMASK, [], [pid 22125] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22125] <... futex resumed>) = 0 [pid 22125] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22126] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22125] <... futex resumed>) = 0 [pid 22126] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22125] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22125] <... futex resumed>) = 0 [pid 22126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22125] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22126] <... bpf resumed>) = 4 [pid 22126] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22125] <... futex resumed>) = 0 [pid 22126] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22125] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22125] <... futex resumed>) = 0 [pid 22126] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22125] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22126] <... bpf resumed>) = 0 [pid 22125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22126] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22125] <... mmap resumed>) = 0x7f3b956ba000 [pid 22126] <... futex resumed>) = 0 [pid 22125] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22126] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22125] <... mprotect resumed>) = 0 [pid 22125] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22127 attached => {parent_tid=[21718]}, 88) = 21718 [pid 22127] set_robust_list(0x7f3b956da9a0, 24 [pid 22125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22127] <... set_robust_list resumed>) = 0 [pid 22125] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22127] rt_sigprocmask(SIG_SETMASK, [], [pid 22125] <... futex resumed>) = 0 [pid 22127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22125] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22127] <... bpf resumed>) = 5 [pid 22127] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22125] <... futex resumed>) = 0 [pid 22127] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22125] close(3) = 0 [pid 22125] close(4) = 0 [pid 22125] close(5) = 0 [pid 22125] close(6) = -1 EBADF (Bad file descriptor) [pid 22125] close(7) = -1 EBADF (Bad file descriptor) [pid 22125] close(8) = -1 EBADF (Bad file descriptor) [pid 22125] close(9) = -1 EBADF (Bad file descriptor) [pid 22125] close(10) = -1 EBADF (Bad file descriptor) [pid 22125] close(11) = -1 EBADF (Bad file descriptor) [pid 22125] close(12) = -1 EBADF (Bad file descriptor) [pid 22125] close(13) = -1 EBADF (Bad file descriptor) [pid 22125] close(14) = -1 EBADF (Bad file descriptor) [pid 22125] close(15) = -1 EBADF (Bad file descriptor) [pid 22125] close(16) = -1 EBADF (Bad file descriptor) [pid 22125] close(17) = -1 EBADF (Bad file descriptor) [pid 22125] close(18) = -1 EBADF (Bad file descriptor) [pid 22125] close(19) = -1 EBADF (Bad file descriptor) [pid 22125] close(20) = -1 EBADF (Bad file descriptor) [pid 22125] close(21) = -1 EBADF (Bad file descriptor) [pid 22125] close(22) = -1 EBADF (Bad file descriptor) [pid 22125] close(23) = -1 EBADF (Bad file descriptor) [pid 22125] close(24) = -1 EBADF (Bad file descriptor) [pid 22125] close(25) = -1 EBADF (Bad file descriptor) [pid 22125] close(26) = -1 EBADF (Bad file descriptor) [pid 22125] close(27) = -1 EBADF (Bad file descriptor) [pid 22125] close(28) = -1 EBADF (Bad file descriptor) [pid 22125] close(29) = -1 EBADF (Bad file descriptor) [pid 22125] exit_group(0 [pid 22127] <... futex resumed>) = ? [pid 22126] <... futex resumed>) = ? [pid 22125] <... exit_group resumed>) = ? [pid 22127] +++ exited with 0 +++ [pid 22126] +++ exited with 0 +++ [pid 22125] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7504", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7504", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7504/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7504/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7504/cgroup.cpu") = 0 [pid 287] umount2("./7504/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7504/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7504/binderfs") = 0 [pid 287] umount2("./7504/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7504/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7504/cgroup") = 0 [pid 287] umount2("./7504/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7504/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7504/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7504") = 0 [pid 287] mkdir("./7505", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21719 ./strace-static-x86_64: Process 22128 attached [pid 22128] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22128] chdir("./7505") = 0 [pid 22128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22128] setpgid(0, 0) = 0 [pid 22128] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22128] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22128] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22128] write(3, "1000", 4) = 4 [pid 22128] close(3) = 0 [pid 22128] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22128] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22128] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22128] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22128] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22129 attached [pid 22129] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22128] <... clone3 resumed> => {parent_tid=[21720]}, 88) = 21720 [pid 22129] rt_sigprocmask(SIG_SETMASK, [], [pid 22128] rt_sigprocmask(SIG_SETMASK, [], [pid 22129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22129] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22128] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22128] <... futex resumed>) = 0 [pid 22129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22128] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22129] <... bpf resumed>) = 3 [pid 22129] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22128] <... futex resumed>) = 0 [pid 22129] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22128] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22128] <... futex resumed>) = 0 [pid 22129] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22128] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22129] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22128] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22129] <... futex resumed>) = 0 [pid 22128] <... futex resumed>) = 1 [pid 22129] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22128] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22129] <... bpf resumed>) = 0 [pid 22129] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22128] <... futex resumed>) = 0 [pid 22129] <... futex resumed>) = 0 [pid 22129] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22128] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22128] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22130 attached [pid 22130] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22130] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22128] <... clone3 resumed> => {parent_tid=[21721]}, 88) = 21721 [pid 22128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22128] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22130] <... futex resumed>) = 0 [pid 22128] <... futex resumed>) = 1 [pid 22130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22128] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22130] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22130] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22128] close(3) = 0 [pid 22128] close(4) = 0 [pid 22128] close(5) = 0 [pid 22128] close(6) = -1 EBADF (Bad file descriptor) [pid 22128] close(7) = -1 EBADF (Bad file descriptor) [pid 22128] close(8) = -1 EBADF (Bad file descriptor) [pid 22128] close(9) = -1 EBADF (Bad file descriptor) [pid 22128] close(10) = -1 EBADF (Bad file descriptor) [pid 22128] close(11) = -1 EBADF (Bad file descriptor) [pid 22128] close(12) = -1 EBADF (Bad file descriptor) [pid 22128] close(13) = -1 EBADF (Bad file descriptor) [pid 22128] close(14) = -1 EBADF (Bad file descriptor) [pid 22128] close(15) = -1 EBADF (Bad file descriptor) [pid 22128] close(16) = -1 EBADF (Bad file descriptor) [pid 22128] close(17) = -1 EBADF (Bad file descriptor) [pid 22128] close(18) = -1 EBADF (Bad file descriptor) [pid 22128] close(19) = -1 EBADF (Bad file descriptor) [pid 22128] close(20) = -1 EBADF (Bad file descriptor) [pid 22128] close(21) = -1 EBADF (Bad file descriptor) [pid 22128] close(22) = -1 EBADF (Bad file descriptor) [pid 22128] close(23) = -1 EBADF (Bad file descriptor) [pid 22128] close(24) = -1 EBADF (Bad file descriptor) [pid 22128] close(25) = -1 EBADF (Bad file descriptor) [pid 22128] close(26) = -1 EBADF (Bad file descriptor) [pid 22128] close(27) = -1 EBADF (Bad file descriptor) [pid 22128] close(28) = -1 EBADF (Bad file descriptor) [pid 22128] close(29) = -1 EBADF (Bad file descriptor) [pid 22128] exit_group(0 [pid 22130] <... futex resumed>) = ? [pid 22129] <... futex resumed>) = ? [pid 22128] <... exit_group resumed>) = ? [pid 22130] +++ exited with 0 +++ [pid 22129] +++ exited with 0 +++ [pid 22128] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7505", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7505", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7505/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7505/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7505/cgroup.cpu") = 0 [pid 287] umount2("./7505/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7505/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7505/binderfs") = 0 [pid 287] umount2("./7505/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7505/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7505/cgroup") = 0 [pid 287] umount2("./7505/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7505/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7505/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7505") = 0 [pid 287] mkdir("./7506", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22131 attached [pid 22131] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21722 [pid 22131] chdir("./7506") = 0 [pid 22131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22131] setpgid(0, 0) = 0 [pid 22131] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22131] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22131] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22131] write(3, "1000", 4) = 4 [pid 22131] close(3) = 0 [pid 22131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22131] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22131] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22131] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22131] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22132 attached [pid 22132] set_robust_list(0x7f3b956fb9a0, 24 [pid 22131] <... clone3 resumed> => {parent_tid=[21723]}, 88) = 21723 [pid 22132] <... set_robust_list resumed>) = 0 [pid 22131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22132] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22131] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22131] <... futex resumed>) = 0 [pid 22132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22131] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22132] <... bpf resumed>) = 3 [pid 22132] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22131] <... futex resumed>) = 0 [pid 22132] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22131] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22132] <... futex resumed>) = 0 [pid 22131] <... futex resumed>) = 1 [pid 22132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22131] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22132] <... bpf resumed>) = 4 [pid 22132] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22132] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22131] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22132] <... futex resumed>) = 0 [pid 22131] <... futex resumed>) = 1 [pid 22132] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22131] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22132] <... bpf resumed>) = 0 [pid 22131] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22132] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22131] <... mprotect resumed>) = 0 [pid 22132] <... futex resumed>) = 0 [pid 22131] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22132] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22133 attached [pid 22133] set_robust_list(0x7f3b956da9a0, 24 [pid 22131] <... clone3 resumed> => {parent_tid=[21724]}, 88) = 21724 [pid 22133] <... set_robust_list resumed>) = 0 [pid 22131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22133] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22131] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22133] <... futex resumed>) = 0 [pid 22131] <... futex resumed>) = 1 [pid 22133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22131] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22133] <... bpf resumed>) = 5 [pid 22133] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22131] <... futex resumed>) = 0 [pid 22133] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22131] close(3) = 0 [pid 22131] close(4) = 0 [pid 22131] close(5) = 0 [pid 22131] close(6) = -1 EBADF (Bad file descriptor) [pid 22131] close(7) = -1 EBADF (Bad file descriptor) [pid 22131] close(8) = -1 EBADF (Bad file descriptor) [pid 22131] close(9) = -1 EBADF (Bad file descriptor) [pid 22131] close(10) = -1 EBADF (Bad file descriptor) [pid 22131] close(11) = -1 EBADF (Bad file descriptor) [pid 22131] close(12) = -1 EBADF (Bad file descriptor) [pid 22131] close(13) = -1 EBADF (Bad file descriptor) [pid 22131] close(14) = -1 EBADF (Bad file descriptor) [pid 22131] close(15) = -1 EBADF (Bad file descriptor) [pid 22131] close(16) = -1 EBADF (Bad file descriptor) [pid 22131] close(17) = -1 EBADF (Bad file descriptor) [pid 22131] close(18) = -1 EBADF (Bad file descriptor) [pid 22131] close(19) = -1 EBADF (Bad file descriptor) [pid 22131] close(20) = -1 EBADF (Bad file descriptor) [pid 22131] close(21) = -1 EBADF (Bad file descriptor) [pid 22131] close(22) = -1 EBADF (Bad file descriptor) [pid 22131] close(23) = -1 EBADF (Bad file descriptor) [pid 22131] close(24) = -1 EBADF (Bad file descriptor) [pid 22131] close(25) = -1 EBADF (Bad file descriptor) [pid 22131] close(26) = -1 EBADF (Bad file descriptor) [pid 22131] close(27) = -1 EBADF (Bad file descriptor) [pid 22131] close(28) = -1 EBADF (Bad file descriptor) [pid 22131] close(29) = -1 EBADF (Bad file descriptor) [pid 22131] exit_group(0 [pid 22133] <... futex resumed>) = ? [pid 22131] <... exit_group resumed>) = ? [pid 22133] +++ exited with 0 +++ [pid 22132] <... futex resumed>) = ? [pid 22132] +++ exited with 0 +++ [pid 22131] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7506", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7506", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7506/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7506/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7506/cgroup.cpu") = 0 [pid 287] umount2("./7506/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7506/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7506/binderfs") = 0 [pid 287] umount2("./7506/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7506/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7506/cgroup") = 0 [pid 287] umount2("./7506/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7506/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7506/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7506") = 0 [pid 287] mkdir("./7507", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22134 attached [pid 22134] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22134] chdir("./7507") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21725 [pid 22134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22134] setpgid(0, 0) = 0 [pid 22134] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22134] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22134] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22134] write(3, "1000", 4) = 4 [pid 22134] close(3) = 0 [pid 22134] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22134] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22134] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22134] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22134] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22136 attached [pid 22136] set_robust_list(0x7f3b956fb9a0, 24 [pid 22134] <... clone3 resumed> => {parent_tid=[21726]}, 88) = 21726 [pid 22136] <... set_robust_list resumed>) = 0 [pid 22134] rt_sigprocmask(SIG_SETMASK, [], [pid 22136] rt_sigprocmask(SIG_SETMASK, [], [pid 22134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22134] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22134] <... futex resumed>) = 0 [pid 22136] <... bpf resumed>) = 3 [pid 22134] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22136] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22136] <... futex resumed>) = 0 [pid 22134] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22134] <... futex resumed>) = 0 [pid 22136] <... bpf resumed>) = 4 [pid 22134] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22136] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22136] <... futex resumed>) = 0 [pid 22134] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22136] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22134] <... futex resumed>) = 0 [pid 22136] <... bpf resumed>) = 0 [pid 22134] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22136] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22134] <... futex resumed>) = 0 [pid 22136] <... futex resumed>) = 0 [pid 22134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22136] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22134] <... mmap resumed>) = 0x7f3b956ba000 [pid 22134] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22134] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22137 attached => {parent_tid=[21727]}, 88) = 21727 [pid 22134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22134] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22134] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22137] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22137] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22134] <... futex resumed>) = 0 [pid 22137] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22134] close(3) = 0 [pid 22134] close(4) = 0 [pid 22134] close(5) = 0 [pid 22134] close(6) = -1 EBADF (Bad file descriptor) [pid 22134] close(7) = -1 EBADF (Bad file descriptor) [pid 22134] close(8) = -1 EBADF (Bad file descriptor) [pid 22134] close(9) = -1 EBADF (Bad file descriptor) [pid 22134] close(10) = -1 EBADF (Bad file descriptor) [pid 22134] close(11) = -1 EBADF (Bad file descriptor) [pid 22134] close(12) = -1 EBADF (Bad file descriptor) [pid 22134] close(13) = -1 EBADF (Bad file descriptor) [pid 22134] close(14) = -1 EBADF (Bad file descriptor) [pid 22134] close(15) = -1 EBADF (Bad file descriptor) [pid 22134] close(16) = -1 EBADF (Bad file descriptor) [pid 22134] close(17) = -1 EBADF (Bad file descriptor) [pid 22134] close(18) = -1 EBADF (Bad file descriptor) [pid 22134] close(19) = -1 EBADF (Bad file descriptor) [pid 22134] close(20) = -1 EBADF (Bad file descriptor) [pid 22134] close(21) = -1 EBADF (Bad file descriptor) [pid 22134] close(22) = -1 EBADF (Bad file descriptor) [pid 22134] close(23) = -1 EBADF (Bad file descriptor) [pid 22134] close(24) = -1 EBADF (Bad file descriptor) [pid 22134] close(25) = -1 EBADF (Bad file descriptor) [pid 22134] close(26) = -1 EBADF (Bad file descriptor) [pid 22134] close(27) = -1 EBADF (Bad file descriptor) [pid 22134] close(28) = -1 EBADF (Bad file descriptor) [pid 22134] close(29) = -1 EBADF (Bad file descriptor) [pid 22134] exit_group(0 [pid 22137] <... futex resumed>) = ? [pid 22136] <... futex resumed>) = ? [pid 22134] <... exit_group resumed>) = ? [pid 22137] +++ exited with 0 +++ [pid 22136] +++ exited with 0 +++ [pid 22134] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7507", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7507", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7507/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7507/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7507/cgroup.cpu") = 0 [pid 287] umount2("./7507/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7507/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7507/binderfs") = 0 [pid 287] umount2("./7507/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7507/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7507/cgroup") = 0 [pid 287] umount2("./7507/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7507/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7507/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7507") = 0 [pid 287] mkdir("./7508", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21728 ./strace-static-x86_64: Process 22138 attached [pid 22138] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22138] chdir("./7508") = 0 [pid 22138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22138] setpgid(0, 0) = 0 [pid 22138] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22138] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22138] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22138] write(3, "1000", 4) = 4 [pid 22138] close(3) = 0 [pid 22138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22138] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22138] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22138] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22139 attached [pid 22139] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22138] <... clone3 resumed> => {parent_tid=[21729]}, 88) = 21729 [pid 22139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22139] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22138] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22139] <... futex resumed>) = 0 [pid 22138] <... futex resumed>) = 1 [pid 22139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22138] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22139] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22139] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22138] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22138] <... futex resumed>) = 0 [pid 22139] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22138] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22139] <... futex resumed>) = 0 [pid 22138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22139] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22138] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22139] <... futex resumed>) = 0 [pid 22138] <... futex resumed>) = 1 [pid 22139] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22138] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22139] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22138] <... futex resumed>) = 0 [pid 22139] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22138] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22140 attached [pid 22140] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22140] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22138] <... clone3 resumed> => {parent_tid=[21730]}, 88) = 21730 [pid 22138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22138] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22140] <... futex resumed>) = 0 [pid 22138] <... futex resumed>) = 1 [pid 22140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22138] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22140] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22140] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22138] close(3) = 0 [pid 22138] close(4) = 0 [pid 22138] close(5) = 0 [pid 22138] close(6) = -1 EBADF (Bad file descriptor) [pid 22138] close(7) = -1 EBADF (Bad file descriptor) [pid 22138] close(8) = -1 EBADF (Bad file descriptor) [pid 22138] close(9) = -1 EBADF (Bad file descriptor) [pid 22138] close(10) = -1 EBADF (Bad file descriptor) [pid 22138] close(11) = -1 EBADF (Bad file descriptor) [pid 22138] close(12) = -1 EBADF (Bad file descriptor) [pid 22138] close(13) = -1 EBADF (Bad file descriptor) [pid 22138] close(14) = -1 EBADF (Bad file descriptor) [pid 22138] close(15) = -1 EBADF (Bad file descriptor) [pid 22138] close(16) = -1 EBADF (Bad file descriptor) [pid 22138] close(17) = -1 EBADF (Bad file descriptor) [pid 22138] close(18) = -1 EBADF (Bad file descriptor) [pid 22138] close(19) = -1 EBADF (Bad file descriptor) [pid 22138] close(20) = -1 EBADF (Bad file descriptor) [pid 22138] close(21) = -1 EBADF (Bad file descriptor) [pid 22138] close(22) = -1 EBADF (Bad file descriptor) [pid 22138] close(23) = -1 EBADF (Bad file descriptor) [pid 22138] close(24) = -1 EBADF (Bad file descriptor) [pid 22138] close(25) = -1 EBADF (Bad file descriptor) [pid 22138] close(26) = -1 EBADF (Bad file descriptor) [pid 22138] close(27) = -1 EBADF (Bad file descriptor) [pid 22138] close(28) = -1 EBADF (Bad file descriptor) [pid 22138] close(29) = -1 EBADF (Bad file descriptor) [pid 22138] exit_group(0 [pid 22140] <... futex resumed>) = ? [pid 22139] <... futex resumed>) = ? [pid 22138] <... exit_group resumed>) = ? [pid 22140] +++ exited with 0 +++ [pid 22139] +++ exited with 0 +++ [pid 22138] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7508", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7508", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7508/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7508/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7508/cgroup.cpu") = 0 [pid 287] umount2("./7508/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7508/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7508/binderfs") = 0 [pid 287] umount2("./7508/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7508/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7508/cgroup") = 0 [pid 287] umount2("./7508/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7508/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7508/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7508") = 0 [pid 287] mkdir("./7509", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22141 attached [pid 22141] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22141] chdir("./7509" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21731 [pid 22141] <... chdir resumed>) = 0 [pid 22141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22141] setpgid(0, 0) = 0 [pid 22141] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22141] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22141] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22141] write(3, "1000", 4) = 4 [pid 22141] close(3) = 0 [pid 22141] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22141] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22141] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22141] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22142 attached [pid 22142] set_robust_list(0x7f3b956fb9a0, 24 [pid 22141] <... clone3 resumed> => {parent_tid=[21732]}, 88) = 21732 [pid 22142] <... set_robust_list resumed>) = 0 [pid 22141] rt_sigprocmask(SIG_SETMASK, [], [pid 22142] rt_sigprocmask(SIG_SETMASK, [], [pid 22141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22141] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22141] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22142] <... bpf resumed>) = 3 [pid 22142] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22141] <... futex resumed>) = 0 [pid 22142] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22141] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22141] <... futex resumed>) = 0 [pid 22142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22141] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22142] <... bpf resumed>) = 4 [pid 22142] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22141] <... futex resumed>) = 0 [pid 22142] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22141] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22141] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22142] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22141] <... futex resumed>) = 0 [pid 22142] <... bpf resumed>) = 0 [pid 22141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22142] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22141] <... mmap resumed>) = 0x7f3b956ba000 [pid 22142] <... futex resumed>) = 0 [pid 22141] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22142] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22141] <... mprotect resumed>) = 0 [pid 22141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22143 attached [pid 22143] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22141] <... clone3 resumed> => {parent_tid=[21733]}, 88) = 21733 [pid 22143] rt_sigprocmask(SIG_SETMASK, [], [pid 22141] rt_sigprocmask(SIG_SETMASK, [], [pid 22143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22143] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22141] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22141] <... futex resumed>) = 0 [pid 22141] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22143] <... bpf resumed>) = 5 [pid 22143] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22141] <... futex resumed>) = 0 [pid 22143] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22141] close(3) = 0 [pid 22141] close(4) = 0 [pid 22141] close(5) = 0 [pid 22141] close(6) = -1 EBADF (Bad file descriptor) [pid 22141] close(7) = -1 EBADF (Bad file descriptor) [pid 22141] close(8) = -1 EBADF (Bad file descriptor) [pid 22141] close(9) = -1 EBADF (Bad file descriptor) [pid 22141] close(10) = -1 EBADF (Bad file descriptor) [pid 22141] close(11) = -1 EBADF (Bad file descriptor) [pid 22141] close(12) = -1 EBADF (Bad file descriptor) [pid 22141] close(13) = -1 EBADF (Bad file descriptor) [pid 22141] close(14) = -1 EBADF (Bad file descriptor) [pid 22141] close(15) = -1 EBADF (Bad file descriptor) [pid 22141] close(16) = -1 EBADF (Bad file descriptor) [pid 22141] close(17) = -1 EBADF (Bad file descriptor) [pid 22141] close(18) = -1 EBADF (Bad file descriptor) [pid 22141] close(19) = -1 EBADF (Bad file descriptor) [pid 22141] close(20) = -1 EBADF (Bad file descriptor) [pid 22141] close(21) = -1 EBADF (Bad file descriptor) [pid 22141] close(22) = -1 EBADF (Bad file descriptor) [pid 22141] close(23) = -1 EBADF (Bad file descriptor) [pid 22141] close(24) = -1 EBADF (Bad file descriptor) [pid 22141] close(25) = -1 EBADF (Bad file descriptor) [pid 22141] close(26) = -1 EBADF (Bad file descriptor) [pid 22141] close(27) = -1 EBADF (Bad file descriptor) [pid 22141] close(28) = -1 EBADF (Bad file descriptor) [pid 22141] close(29) = -1 EBADF (Bad file descriptor) [pid 22141] exit_group(0 [pid 22143] <... futex resumed>) = ? [pid 22142] <... futex resumed>) = ? [pid 22141] <... exit_group resumed>) = ? [pid 22143] +++ exited with 0 +++ [pid 22142] +++ exited with 0 +++ [pid 22141] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7509", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7509", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7509/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7509/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7509/cgroup.cpu") = 0 [pid 287] umount2("./7509/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7509/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7509/binderfs") = 0 [pid 287] umount2("./7509/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7509/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7509/cgroup") = 0 [pid 287] umount2("./7509/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7509/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7509/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7509") = 0 [pid 287] mkdir("./7510", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22144 attached [pid 22144] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22144] chdir("./7510") = 0 [pid 22144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22144] setpgid(0, 0) = 0 [pid 22144] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21734 [pid 22144] <... symlink resumed>) = 0 [pid 22144] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22144] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22144] write(3, "1000", 4) = 4 [pid 22144] close(3) = 0 [pid 22144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22144] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22144] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22144] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22145 attached [pid 22145] set_robust_list(0x7f3b956fb9a0, 24 [pid 22144] <... clone3 resumed> => {parent_tid=[21735]}, 88) = 21735 [pid 22145] <... set_robust_list resumed>) = 0 [pid 22144] rt_sigprocmask(SIG_SETMASK, [], [pid 22145] rt_sigprocmask(SIG_SETMASK, [], [pid 22144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22144] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22144] <... futex resumed>) = 0 [pid 22145] <... bpf resumed>) = 3 [pid 22145] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22144] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22145] <... futex resumed>) = 0 [pid 22144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22145] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22144] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22144] <... futex resumed>) = 0 [pid 22145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22144] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22145] <... bpf resumed>) = 4 [pid 22145] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22144] <... futex resumed>) = 0 [pid 22145] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22144] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22144] <... futex resumed>) = 0 [pid 22145] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22144] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22145] <... bpf resumed>) = 0 [pid 22144] <... futex resumed>) = 0 [pid 22145] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22145] <... futex resumed>) = 0 [pid 22144] <... mmap resumed>) = 0x7f3b956ba000 [pid 22145] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22144] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22146 attached [pid 22146] set_robust_list(0x7f3b956da9a0, 24 [pid 22144] <... clone3 resumed> => {parent_tid=[21736]}, 88) = 21736 [pid 22146] <... set_robust_list resumed>) = 0 [pid 22146] rt_sigprocmask(SIG_SETMASK, [], [pid 22144] rt_sigprocmask(SIG_SETMASK, [], [pid 22146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22146] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22144] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22146] <... futex resumed>) = 0 [pid 22144] <... futex resumed>) = 1 [pid 22146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22144] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22146] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22146] <... futex resumed>) = 0 [pid 22144] close(3 [pid 22146] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22144] <... close resumed>) = 0 [pid 22144] close(4) = 0 [pid 22144] close(5) = 0 [pid 22144] close(6) = -1 EBADF (Bad file descriptor) [pid 22144] close(7) = -1 EBADF (Bad file descriptor) [pid 22144] close(8) = -1 EBADF (Bad file descriptor) [pid 22144] close(9) = -1 EBADF (Bad file descriptor) [pid 22144] close(10) = -1 EBADF (Bad file descriptor) [pid 22144] close(11) = -1 EBADF (Bad file descriptor) [pid 22144] close(12) = -1 EBADF (Bad file descriptor) [pid 22144] close(13) = -1 EBADF (Bad file descriptor) [pid 22144] close(14) = -1 EBADF (Bad file descriptor) [pid 22144] close(15) = -1 EBADF (Bad file descriptor) [pid 22144] close(16) = -1 EBADF (Bad file descriptor) [pid 22144] close(17) = -1 EBADF (Bad file descriptor) [pid 22144] close(18) = -1 EBADF (Bad file descriptor) [pid 22144] close(19) = -1 EBADF (Bad file descriptor) [pid 22144] close(20) = -1 EBADF (Bad file descriptor) [pid 22144] close(21) = -1 EBADF (Bad file descriptor) [pid 22144] close(22) = -1 EBADF (Bad file descriptor) [pid 22144] close(23) = -1 EBADF (Bad file descriptor) [pid 22144] close(24) = -1 EBADF (Bad file descriptor) [pid 22144] close(25) = -1 EBADF (Bad file descriptor) [pid 22144] close(26) = -1 EBADF (Bad file descriptor) [pid 22144] close(27) = -1 EBADF (Bad file descriptor) [pid 22144] close(28) = -1 EBADF (Bad file descriptor) [pid 22144] close(29) = -1 EBADF (Bad file descriptor) [pid 22144] exit_group(0 [pid 22146] <... futex resumed>) = ? [pid 22145] <... futex resumed>) = ? [pid 22144] <... exit_group resumed>) = ? [pid 22146] +++ exited with 0 +++ [pid 22145] +++ exited with 0 +++ [pid 22144] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7510", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7510", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7510/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7510/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7510/cgroup.cpu") = 0 [pid 287] umount2("./7510/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7510/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7510/binderfs") = 0 [pid 287] umount2("./7510/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7510/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7510/cgroup") = 0 [pid 287] umount2("./7510/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7510/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7510/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7510") = 0 [pid 287] mkdir("./7511", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22147 attached [pid 22147] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21737 [pid 22147] chdir("./7511") = 0 [pid 22147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22147] setpgid(0, 0) = 0 [pid 22147] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22147] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22147] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22147] write(3, "1000", 4) = 4 [pid 22147] close(3) = 0 [pid 22147] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22147] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22147] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22147] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22147] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22148 attached [pid 22148] set_robust_list(0x7f3b956fb9a0, 24 [pid 22147] <... clone3 resumed> => {parent_tid=[21738]}, 88) = 21738 [pid 22148] <... set_robust_list resumed>) = 0 [pid 22147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22147] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22148] rt_sigprocmask(SIG_SETMASK, [], [pid 22147] <... futex resumed>) = 0 [pid 22148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22147] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22148] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22147] <... futex resumed>) = 0 [pid 22148] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22147] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22147] <... futex resumed>) = 0 [pid 22148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22147] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22148] <... bpf resumed>) = 4 [pid 22148] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22147] <... futex resumed>) = 0 [pid 22148] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22147] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22147] <... futex resumed>) = 0 [pid 22148] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22147] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22148] <... bpf resumed>) = 0 [pid 22147] <... futex resumed>) = 0 [pid 22147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22148] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22147] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22148] <... futex resumed>) = 0 [pid 22147] <... mprotect resumed>) = 0 [pid 22148] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22147] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22149 attached [pid 22149] set_robust_list(0x7f3b956da9a0, 24 [pid 22147] <... clone3 resumed> => {parent_tid=[21739]}, 88) = 21739 [pid 22147] rt_sigprocmask(SIG_SETMASK, [], [pid 22149] <... set_robust_list resumed>) = 0 [pid 22147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22147] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22147] <... futex resumed>) = 0 [pid 22147] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22149] <... bpf resumed>) = 5 [pid 22149] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22147] <... futex resumed>) = 0 [pid 22149] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22147] close(3) = 0 [pid 22147] close(4) = 0 [pid 22147] close(5) = 0 [pid 22147] close(6) = -1 EBADF (Bad file descriptor) [pid 22147] close(7) = -1 EBADF (Bad file descriptor) [pid 22147] close(8) = -1 EBADF (Bad file descriptor) [pid 22147] close(9) = -1 EBADF (Bad file descriptor) [pid 22147] close(10) = -1 EBADF (Bad file descriptor) [pid 22147] close(11) = -1 EBADF (Bad file descriptor) [pid 22147] close(12) = -1 EBADF (Bad file descriptor) [pid 22147] close(13) = -1 EBADF (Bad file descriptor) [pid 22147] close(14) = -1 EBADF (Bad file descriptor) [pid 22147] close(15) = -1 EBADF (Bad file descriptor) [pid 22147] close(16) = -1 EBADF (Bad file descriptor) [pid 22147] close(17) = -1 EBADF (Bad file descriptor) [pid 22147] close(18) = -1 EBADF (Bad file descriptor) [pid 22147] close(19) = -1 EBADF (Bad file descriptor) [pid 22147] close(20) = -1 EBADF (Bad file descriptor) [pid 22147] close(21) = -1 EBADF (Bad file descriptor) [pid 22147] close(22) = -1 EBADF (Bad file descriptor) [pid 22147] close(23) = -1 EBADF (Bad file descriptor) [pid 22147] close(24) = -1 EBADF (Bad file descriptor) [pid 22147] close(25) = -1 EBADF (Bad file descriptor) [pid 22147] close(26) = -1 EBADF (Bad file descriptor) [pid 22147] close(27) = -1 EBADF (Bad file descriptor) [pid 22147] close(28) = -1 EBADF (Bad file descriptor) [pid 22147] close(29) = -1 EBADF (Bad file descriptor) [pid 22147] exit_group(0 [pid 22149] <... futex resumed>) = ? [pid 22148] <... futex resumed>) = ? [pid 22147] <... exit_group resumed>) = ? [pid 22148] +++ exited with 0 +++ [pid 22149] +++ exited with 0 +++ [pid 22147] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7511", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7511", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7511/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7511/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7511/cgroup.cpu") = 0 [pid 287] umount2("./7511/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7511/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7511/binderfs") = 0 [pid 287] umount2("./7511/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7511/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7511/cgroup") = 0 [pid 287] umount2("./7511/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7511/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7511/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7511") = 0 [pid 287] mkdir("./7512", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22150 attached [pid 22150] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22150] chdir("./7512" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21740 [pid 22150] <... chdir resumed>) = 0 [pid 22150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22150] setpgid(0, 0) = 0 [pid 22150] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22150] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22150] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22150] write(3, "1000", 4) = 4 [pid 22150] close(3) = 0 [pid 22150] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22150] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22150] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22150] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22151 attached [pid 22151] set_robust_list(0x7f3b956fb9a0, 24 [pid 22150] <... clone3 resumed> => {parent_tid=[21741]}, 88) = 21741 [pid 22151] <... set_robust_list resumed>) = 0 [pid 22150] rt_sigprocmask(SIG_SETMASK, [], [pid 22151] rt_sigprocmask(SIG_SETMASK, [], [pid 22150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22150] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22150] <... futex resumed>) = 0 [pid 22151] <... bpf resumed>) = 3 [pid 22150] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22151] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22151] <... futex resumed>) = 0 [pid 22150] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22150] <... futex resumed>) = 0 [pid 22151] <... bpf resumed>) = 4 [pid 22150] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22151] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22151] <... futex resumed>) = 0 [pid 22150] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22151] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22150] <... futex resumed>) = 0 [pid 22151] <... bpf resumed>) = 0 [pid 22150] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22151] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22150] <... futex resumed>) = 0 [pid 22151] <... futex resumed>) = 0 [pid 22150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22151] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22150] <... mmap resumed>) = 0x7f3b956ba000 [pid 22150] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22152 attached [pid 22152] set_robust_list(0x7f3b956da9a0, 24 [pid 22150] <... clone3 resumed> => {parent_tid=[21742]}, 88) = 21742 [pid 22152] <... set_robust_list resumed>) = 0 [pid 22150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22150] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22152] rt_sigprocmask(SIG_SETMASK, [], [pid 22150] <... futex resumed>) = 0 [pid 22152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22150] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22152] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22150] <... futex resumed>) = 0 [pid 22152] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22150] close(3) = 0 [pid 22150] close(4) = 0 [pid 22150] close(5) = 0 [pid 22150] close(6) = -1 EBADF (Bad file descriptor) [pid 22150] close(7) = -1 EBADF (Bad file descriptor) [pid 22150] close(8) = -1 EBADF (Bad file descriptor) [pid 22150] close(9) = -1 EBADF (Bad file descriptor) [pid 22150] close(10) = -1 EBADF (Bad file descriptor) [pid 22150] close(11) = -1 EBADF (Bad file descriptor) [pid 22150] close(12) = -1 EBADF (Bad file descriptor) [pid 22150] close(13) = -1 EBADF (Bad file descriptor) [pid 22150] close(14) = -1 EBADF (Bad file descriptor) [pid 22150] close(15) = -1 EBADF (Bad file descriptor) [pid 22150] close(16) = -1 EBADF (Bad file descriptor) [pid 22150] close(17) = -1 EBADF (Bad file descriptor) [pid 22150] close(18) = -1 EBADF (Bad file descriptor) [pid 22150] close(19) = -1 EBADF (Bad file descriptor) [pid 22150] close(20) = -1 EBADF (Bad file descriptor) [pid 22150] close(21) = -1 EBADF (Bad file descriptor) [pid 22150] close(22) = -1 EBADF (Bad file descriptor) [pid 22150] close(23) = -1 EBADF (Bad file descriptor) [pid 22150] close(24) = -1 EBADF (Bad file descriptor) [pid 22150] close(25) = -1 EBADF (Bad file descriptor) [pid 22150] close(26) = -1 EBADF (Bad file descriptor) [pid 22150] close(27) = -1 EBADF (Bad file descriptor) [pid 22150] close(28) = -1 EBADF (Bad file descriptor) [pid 22150] close(29) = -1 EBADF (Bad file descriptor) [pid 22150] exit_group(0 [pid 22152] <... futex resumed>) = ? [pid 22151] <... futex resumed>) = ? [pid 22150] <... exit_group resumed>) = ? [pid 22152] +++ exited with 0 +++ [pid 22151] +++ exited with 0 +++ [pid 22150] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7512", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7512", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7512/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7512/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7512/cgroup.cpu") = 0 [pid 287] umount2("./7512/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7512/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7512/binderfs") = 0 [pid 287] umount2("./7512/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7512/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7512/cgroup") = 0 [pid 287] umount2("./7512/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7512/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7512/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7512") = 0 [pid 287] mkdir("./7513", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22153 attached [pid 22153] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22153] chdir("./7513") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21743 [pid 22153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22153] setpgid(0, 0) = 0 [pid 22153] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22153] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22153] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22153] write(3, "1000", 4) = 4 [pid 22153] close(3) = 0 [pid 22153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22153] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22153] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22153] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22154 attached [pid 22154] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22154] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22153] <... clone3 resumed> => {parent_tid=[21744]}, 88) = 21744 [pid 22153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22153] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22154] <... futex resumed>) = 0 [pid 22153] <... futex resumed>) = 1 [pid 22154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22153] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22154] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22154] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22153] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22153] <... futex resumed>) = 0 [pid 22154] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22153] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22154] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22153] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22154] <... futex resumed>) = 0 [pid 22153] <... futex resumed>) = 1 [pid 22154] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22153] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22154] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22153] <... futex resumed>) = 0 [pid 22154] <... futex resumed>) = 0 [pid 22154] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22153] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22155 attached [pid 22155] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22155] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22153] <... clone3 resumed> => {parent_tid=[21745]}, 88) = 21745 [pid 22153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22153] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22155] <... futex resumed>) = 0 [pid 22153] <... futex resumed>) = 1 [pid 22155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22153] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22155] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22155] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22153] close(3) = 0 [pid 22153] close(4) = 0 [pid 22153] close(5) = 0 [pid 22153] close(6) = -1 EBADF (Bad file descriptor) [pid 22153] close(7) = -1 EBADF (Bad file descriptor) [pid 22153] close(8) = -1 EBADF (Bad file descriptor) [pid 22153] close(9) = -1 EBADF (Bad file descriptor) [pid 22153] close(10) = -1 EBADF (Bad file descriptor) [pid 22153] close(11) = -1 EBADF (Bad file descriptor) [pid 22153] close(12) = -1 EBADF (Bad file descriptor) [pid 22153] close(13) = -1 EBADF (Bad file descriptor) [pid 22153] close(14) = -1 EBADF (Bad file descriptor) [pid 22153] close(15) = -1 EBADF (Bad file descriptor) [pid 22153] close(16) = -1 EBADF (Bad file descriptor) [pid 22153] close(17) = -1 EBADF (Bad file descriptor) [pid 22153] close(18) = -1 EBADF (Bad file descriptor) [pid 22153] close(19) = -1 EBADF (Bad file descriptor) [pid 22153] close(20) = -1 EBADF (Bad file descriptor) [pid 22153] close(21) = -1 EBADF (Bad file descriptor) [pid 22153] close(22) = -1 EBADF (Bad file descriptor) [pid 22153] close(23) = -1 EBADF (Bad file descriptor) [pid 22153] close(24) = -1 EBADF (Bad file descriptor) [pid 22153] close(25) = -1 EBADF (Bad file descriptor) [pid 22153] close(26) = -1 EBADF (Bad file descriptor) [pid 22153] close(27) = -1 EBADF (Bad file descriptor) [pid 22153] close(28) = -1 EBADF (Bad file descriptor) [pid 22153] close(29) = -1 EBADF (Bad file descriptor) [pid 22153] exit_group(0 [pid 22155] <... futex resumed>) = ? [pid 22154] <... futex resumed>) = ? [pid 22153] <... exit_group resumed>) = ? [pid 22155] +++ exited with 0 +++ [pid 22154] +++ exited with 0 +++ [pid 22153] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7513", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7513", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7513/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7513/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7513/cgroup.cpu") = 0 [pid 287] umount2("./7513/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7513/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7513/binderfs") = 0 [pid 287] umount2("./7513/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7513/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7513/cgroup") = 0 [pid 287] umount2("./7513/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7513/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7513/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7513") = 0 [pid 287] mkdir("./7514", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21746 ./strace-static-x86_64: Process 22156 attached [pid 22156] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22156] chdir("./7514") = 0 [pid 22156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22156] setpgid(0, 0) = 0 [pid 22156] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22156] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22156] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22156] write(3, "1000", 4) = 4 [pid 22156] close(3) = 0 [pid 22156] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22156] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22156] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22156] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22156] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22157 attached [pid 22157] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22156] <... clone3 resumed> => {parent_tid=[21747]}, 88) = 21747 [pid 22157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22156] rt_sigprocmask(SIG_SETMASK, [], [pid 22157] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22156] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22157] <... futex resumed>) = 0 [pid 22156] <... futex resumed>) = 1 [pid 22157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22156] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22157] <... bpf resumed>) = 3 [pid 22157] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22156] <... futex resumed>) = 0 [pid 22157] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22156] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22156] <... futex resumed>) = 0 [pid 22157] <... bpf resumed>) = 4 [pid 22157] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22156] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22157] <... futex resumed>) = 0 [pid 22157] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22156] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22157] <... futex resumed>) = 0 [pid 22156] <... futex resumed>) = 1 [pid 22157] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22156] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22157] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22156] <... futex resumed>) = 0 [pid 22157] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22156] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22156] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22158 attached [pid 22158] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22158] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22156] <... clone3 resumed> => {parent_tid=[21748]}, 88) = 21748 [pid 22156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22156] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22158] <... futex resumed>) = 0 [pid 22156] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22158] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22156] <... futex resumed>) = 0 [pid 22156] close(3) = 0 [pid 22156] close(4 [pid 22158] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22156] <... close resumed>) = 0 [pid 22156] close(5) = 0 [pid 22156] close(6) = -1 EBADF (Bad file descriptor) [pid 22156] close(7) = -1 EBADF (Bad file descriptor) [pid 22156] close(8) = -1 EBADF (Bad file descriptor) [pid 22156] close(9) = -1 EBADF (Bad file descriptor) [pid 22156] close(10) = -1 EBADF (Bad file descriptor) [pid 22156] close(11) = -1 EBADF (Bad file descriptor) [pid 22156] close(12) = -1 EBADF (Bad file descriptor) [pid 22156] close(13) = -1 EBADF (Bad file descriptor) [pid 22156] close(14) = -1 EBADF (Bad file descriptor) [pid 22156] close(15) = -1 EBADF (Bad file descriptor) [pid 22156] close(16) = -1 EBADF (Bad file descriptor) [pid 22156] close(17) = -1 EBADF (Bad file descriptor) [pid 22156] close(18) = -1 EBADF (Bad file descriptor) [pid 22156] close(19) = -1 EBADF (Bad file descriptor) [pid 22156] close(20) = -1 EBADF (Bad file descriptor) [pid 22156] close(21) = -1 EBADF (Bad file descriptor) [pid 22156] close(22) = -1 EBADF (Bad file descriptor) [pid 22156] close(23) = -1 EBADF (Bad file descriptor) [pid 22156] close(24) = -1 EBADF (Bad file descriptor) [pid 22156] close(25) = -1 EBADF (Bad file descriptor) [pid 22156] close(26) = -1 EBADF (Bad file descriptor) [pid 22156] close(27) = -1 EBADF (Bad file descriptor) [pid 22156] close(28) = -1 EBADF (Bad file descriptor) [pid 22156] close(29) = -1 EBADF (Bad file descriptor) [pid 22156] exit_group(0 [pid 22158] <... futex resumed>) = ? [pid 22157] <... futex resumed>) = ? [pid 22156] <... exit_group resumed>) = ? [pid 22158] +++ exited with 0 +++ [pid 22157] +++ exited with 0 +++ [pid 22156] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7514", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7514", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7514/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7514/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7514/cgroup.cpu") = 0 [pid 287] umount2("./7514/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7514/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7514/binderfs") = 0 [pid 287] umount2("./7514/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7514/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7514/cgroup") = 0 [pid 287] umount2("./7514/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7514/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7514/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7514") = 0 [pid 287] mkdir("./7515", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22159 attached [pid 22159] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21749 [pid 22159] chdir("./7515") = 0 [pid 22159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22159] setpgid(0, 0) = 0 [pid 22159] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22159] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22159] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22159] write(3, "1000", 4) = 4 [pid 22159] close(3) = 0 [pid 22159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22159] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22159] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22159] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22159] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22160 attached [pid 22160] set_robust_list(0x7f3b956fb9a0, 24 [pid 22159] <... clone3 resumed> => {parent_tid=[21750]}, 88) = 21750 [pid 22160] <... set_robust_list resumed>) = 0 [pid 22159] rt_sigprocmask(SIG_SETMASK, [], [pid 22160] rt_sigprocmask(SIG_SETMASK, [], [pid 22159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22159] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22159] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22160] <... bpf resumed>) = 3 [pid 22160] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22159] <... futex resumed>) = 0 [pid 22159] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22159] <... futex resumed>) = 0 [pid 22159] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22160] <... bpf resumed>) = 4 [pid 22160] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22159] <... futex resumed>) = 0 [pid 22160] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22159] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22159] <... futex resumed>) = 0 [pid 22160] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22159] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22160] <... bpf resumed>) = 0 [pid 22159] <... futex resumed>) = 0 [pid 22160] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22160] <... futex resumed>) = 0 [pid 22159] <... mmap resumed>) = 0x7f3b956ba000 [pid 22160] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22159] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22159] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22161 attached [pid 22161] set_robust_list(0x7f3b956da9a0, 24 [pid 22159] <... clone3 resumed> => {parent_tid=[21751]}, 88) = 21751 [pid 22161] <... set_robust_list resumed>) = 0 [pid 22161] rt_sigprocmask(SIG_SETMASK, [], [pid 22159] rt_sigprocmask(SIG_SETMASK, [], [pid 22161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22161] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22159] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22161] <... futex resumed>) = 0 [pid 22159] <... futex resumed>) = 1 [pid 22161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22159] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22161] <... bpf resumed>) = 5 [pid 22161] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22159] <... futex resumed>) = 0 [pid 22161] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22159] close(3) = 0 [pid 22159] close(4) = 0 [pid 22159] close(5) = 0 [pid 22159] close(6) = -1 EBADF (Bad file descriptor) [pid 22159] close(7) = -1 EBADF (Bad file descriptor) [pid 22159] close(8) = -1 EBADF (Bad file descriptor) [pid 22159] close(9) = -1 EBADF (Bad file descriptor) [pid 22159] close(10) = -1 EBADF (Bad file descriptor) [pid 22159] close(11) = -1 EBADF (Bad file descriptor) [pid 22159] close(12) = -1 EBADF (Bad file descriptor) [pid 22159] close(13) = -1 EBADF (Bad file descriptor) [pid 22159] close(14) = -1 EBADF (Bad file descriptor) [pid 22159] close(15) = -1 EBADF (Bad file descriptor) [pid 22159] close(16) = -1 EBADF (Bad file descriptor) [pid 22159] close(17) = -1 EBADF (Bad file descriptor) [pid 22159] close(18) = -1 EBADF (Bad file descriptor) [pid 22159] close(19) = -1 EBADF (Bad file descriptor) [pid 22159] close(20) = -1 EBADF (Bad file descriptor) [pid 22159] close(21) = -1 EBADF (Bad file descriptor) [pid 22159] close(22) = -1 EBADF (Bad file descriptor) [pid 22159] close(23) = -1 EBADF (Bad file descriptor) [pid 22159] close(24) = -1 EBADF (Bad file descriptor) [pid 22159] close(25) = -1 EBADF (Bad file descriptor) [pid 22159] close(26) = -1 EBADF (Bad file descriptor) [pid 22159] close(27) = -1 EBADF (Bad file descriptor) [pid 22159] close(28) = -1 EBADF (Bad file descriptor) [pid 22159] close(29) = -1 EBADF (Bad file descriptor) [pid 22159] exit_group(0) = ? [pid 22160] <... futex resumed>) = ? [pid 22161] <... futex resumed>) = ? [pid 22160] +++ exited with 0 +++ [pid 22161] +++ exited with 0 +++ [pid 22159] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7515", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7515", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7515/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7515/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7515/cgroup.cpu") = 0 [pid 287] umount2("./7515/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7515/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7515/binderfs") = 0 [pid 287] umount2("./7515/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7515/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7515/cgroup") = 0 [pid 287] umount2("./7515/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7515/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7515/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7515") = 0 [pid 287] mkdir("./7516", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22162 attached [pid 22162] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22162] chdir("./7516" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21752 [pid 22162] <... chdir resumed>) = 0 [pid 22162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22162] setpgid(0, 0) = 0 [pid 22162] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22162] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22162] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22162] write(3, "1000", 4) = 4 [pid 22162] close(3) = 0 [pid 22162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22162] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22162] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22162] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22162] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22163 attached [pid 22163] set_robust_list(0x7f3b956fb9a0, 24 [pid 22162] <... clone3 resumed> => {parent_tid=[21753]}, 88) = 21753 [pid 22163] <... set_robust_list resumed>) = 0 [pid 22162] rt_sigprocmask(SIG_SETMASK, [], [pid 22163] rt_sigprocmask(SIG_SETMASK, [], [pid 22162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22162] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22162] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22163] <... bpf resumed>) = 3 [pid 22163] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22162] <... futex resumed>) = 0 [pid 22162] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22162] <... futex resumed>) = 0 [pid 22162] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22163] <... bpf resumed>) = 4 [pid 22163] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22162] <... futex resumed>) = 0 [pid 22163] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22162] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22162] <... futex resumed>) = 0 [pid 22163] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22162] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22163] <... bpf resumed>) = 0 [pid 22162] <... futex resumed>) = 0 [pid 22163] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22163] <... futex resumed>) = 0 [pid 22162] <... mmap resumed>) = 0x7f3b956ba000 [pid 22163] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22162] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22162] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22164 attached => {parent_tid=[21754]}, 88) = 21754 [pid 22164] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22164] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22162] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22164] <... futex resumed>) = 0 [pid 22162] <... futex resumed>) = 1 [pid 22164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22162] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22164] <... bpf resumed>) = 5 [pid 22164] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22162] <... futex resumed>) = 0 [pid 22164] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22162] close(3) = 0 [pid 22162] close(4) = 0 [pid 22162] close(5) = 0 [pid 22162] close(6) = -1 EBADF (Bad file descriptor) [pid 22162] close(7) = -1 EBADF (Bad file descriptor) [pid 22162] close(8) = -1 EBADF (Bad file descriptor) [pid 22162] close(9) = -1 EBADF (Bad file descriptor) [pid 22162] close(10) = -1 EBADF (Bad file descriptor) [pid 22162] close(11) = -1 EBADF (Bad file descriptor) [pid 22162] close(12) = -1 EBADF (Bad file descriptor) [pid 22162] close(13) = -1 EBADF (Bad file descriptor) [pid 22162] close(14) = -1 EBADF (Bad file descriptor) [pid 22162] close(15) = -1 EBADF (Bad file descriptor) [pid 22162] close(16) = -1 EBADF (Bad file descriptor) [pid 22162] close(17) = -1 EBADF (Bad file descriptor) [pid 22162] close(18) = -1 EBADF (Bad file descriptor) [pid 22162] close(19) = -1 EBADF (Bad file descriptor) [pid 22162] close(20) = -1 EBADF (Bad file descriptor) [pid 22162] close(21) = -1 EBADF (Bad file descriptor) [pid 22162] close(22) = -1 EBADF (Bad file descriptor) [pid 22162] close(23) = -1 EBADF (Bad file descriptor) [pid 22162] close(24) = -1 EBADF (Bad file descriptor) [pid 22162] close(25) = -1 EBADF (Bad file descriptor) [pid 22162] close(26) = -1 EBADF (Bad file descriptor) [pid 22162] close(27) = -1 EBADF (Bad file descriptor) [pid 22162] close(28) = -1 EBADF (Bad file descriptor) [pid 22162] close(29) = -1 EBADF (Bad file descriptor) [pid 22162] exit_group(0) = ? [pid 22163] <... futex resumed>) = ? [pid 22164] <... futex resumed>) = ? [pid 22163] +++ exited with 0 +++ [pid 22164] +++ exited with 0 +++ [pid 22162] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7516", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7516", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7516/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7516/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7516/cgroup.cpu") = 0 [pid 287] umount2("./7516/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7516/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7516/binderfs") = 0 [pid 287] umount2("./7516/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7516/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7516/cgroup") = 0 [pid 287] umount2("./7516/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7516/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7516/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7516") = 0 [pid 287] mkdir("./7517", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22165 attached [pid 22165] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21755 [pid 22165] chdir("./7517") = 0 [pid 22165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22165] setpgid(0, 0) = 0 [pid 22165] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22165] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22165] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22165] write(3, "1000", 4) = 4 [pid 22165] close(3) = 0 [pid 22165] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22165] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22165] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22165] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22166 attached [pid 22166] set_robust_list(0x7f3b956fb9a0, 24 [pid 22165] <... clone3 resumed> => {parent_tid=[21756]}, 88) = 21756 [pid 22166] <... set_robust_list resumed>) = 0 [pid 22165] rt_sigprocmask(SIG_SETMASK, [], [pid 22166] rt_sigprocmask(SIG_SETMASK, [], [pid 22165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22165] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22165] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22166] <... bpf resumed>) = 3 [pid 22166] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22165] <... futex resumed>) = 0 [pid 22166] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22165] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22165] <... futex resumed>) = 0 [pid 22166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22165] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22166] <... bpf resumed>) = 4 [pid 22166] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22165] <... futex resumed>) = 0 [pid 22166] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22165] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22165] <... futex resumed>) = 0 [pid 22166] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22165] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22166] <... bpf resumed>) = 0 [pid 22165] <... futex resumed>) = 0 [pid 22166] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22166] <... futex resumed>) = 0 [pid 22165] <... mmap resumed>) = 0x7f3b956ba000 [pid 22166] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22165] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22167 attached => {parent_tid=[21757]}, 88) = 21757 [pid 22167] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22165] rt_sigprocmask(SIG_SETMASK, [], [pid 22167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22167] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22165] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22167] <... futex resumed>) = 0 [pid 22165] <... futex resumed>) = 1 [pid 22167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22165] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22167] <... bpf resumed>) = 5 [pid 22167] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22165] <... futex resumed>) = 0 [pid 22167] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22165] close(3) = 0 [pid 22165] close(4) = 0 [pid 22165] close(5) = 0 [pid 22165] close(6) = -1 EBADF (Bad file descriptor) [pid 22165] close(7) = -1 EBADF (Bad file descriptor) [pid 22165] close(8) = -1 EBADF (Bad file descriptor) [pid 22165] close(9) = -1 EBADF (Bad file descriptor) [pid 22165] close(10) = -1 EBADF (Bad file descriptor) [pid 22165] close(11) = -1 EBADF (Bad file descriptor) [pid 22165] close(12) = -1 EBADF (Bad file descriptor) [pid 22165] close(13) = -1 EBADF (Bad file descriptor) [pid 22165] close(14) = -1 EBADF (Bad file descriptor) [pid 22165] close(15) = -1 EBADF (Bad file descriptor) [pid 22165] close(16) = -1 EBADF (Bad file descriptor) [pid 22165] close(17) = -1 EBADF (Bad file descriptor) [pid 22165] close(18) = -1 EBADF (Bad file descriptor) [pid 22165] close(19) = -1 EBADF (Bad file descriptor) [pid 22165] close(20) = -1 EBADF (Bad file descriptor) [pid 22165] close(21) = -1 EBADF (Bad file descriptor) [pid 22165] close(22) = -1 EBADF (Bad file descriptor) [pid 22165] close(23) = -1 EBADF (Bad file descriptor) [pid 22165] close(24) = -1 EBADF (Bad file descriptor) [pid 22165] close(25) = -1 EBADF (Bad file descriptor) [pid 22165] close(26) = -1 EBADF (Bad file descriptor) [pid 22165] close(27) = -1 EBADF (Bad file descriptor) [pid 22165] close(28) = -1 EBADF (Bad file descriptor) [pid 22165] close(29) = -1 EBADF (Bad file descriptor) [pid 22165] exit_group(0 [pid 22166] <... futex resumed>) = ? [pid 22165] <... exit_group resumed>) = ? [pid 22167] <... futex resumed>) = ? [pid 22167] +++ exited with 0 +++ [pid 22166] +++ exited with 0 +++ [pid 22165] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7517", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7517", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7517/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7517/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7517/cgroup.cpu") = 0 [pid 287] umount2("./7517/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7517/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7517/binderfs") = 0 [pid 287] umount2("./7517/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7517/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7517/cgroup") = 0 [pid 287] umount2("./7517/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7517/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7517/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7517") = 0 [pid 287] mkdir("./7518", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22168 attached [pid 22168] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22168] chdir("./7518" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21758 [pid 22168] <... chdir resumed>) = 0 [pid 22168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22168] setpgid(0, 0) = 0 [pid 22168] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22168] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22168] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22168] write(3, "1000", 4) = 4 [pid 22168] close(3) = 0 [pid 22168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22168] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22168] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22168] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22169 attached [pid 22169] set_robust_list(0x7f3b956fb9a0, 24 [pid 22168] <... clone3 resumed> => {parent_tid=[21759]}, 88) = 21759 [pid 22169] <... set_robust_list resumed>) = 0 [pid 22168] rt_sigprocmask(SIG_SETMASK, [], [pid 22169] rt_sigprocmask(SIG_SETMASK, [], [pid 22168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22168] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22168] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22169] <... bpf resumed>) = 3 [pid 22169] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22168] <... futex resumed>) = 0 [pid 22168] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22168] <... futex resumed>) = 0 [pid 22168] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22169] <... bpf resumed>) = 4 [pid 22169] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22168] <... futex resumed>) = 0 [pid 22169] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22168] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22168] <... futex resumed>) = 0 [pid 22169] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22168] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22169] <... bpf resumed>) = 0 [pid 22168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22169] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22168] <... mmap resumed>) = 0x7f3b956ba000 [pid 22169] <... futex resumed>) = 0 [pid 22168] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22169] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22168] <... mprotect resumed>) = 0 [pid 22168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22170 attached [pid 22170] set_robust_list(0x7f3b956da9a0, 24 [pid 22168] <... clone3 resumed> => {parent_tid=[21760]}, 88) = 21760 [pid 22170] <... set_robust_list resumed>) = 0 [pid 22170] rt_sigprocmask(SIG_SETMASK, [], [pid 22168] rt_sigprocmask(SIG_SETMASK, [], [pid 22170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22170] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22168] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22170] <... futex resumed>) = 0 [pid 22168] <... futex resumed>) = 1 [pid 22170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22168] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22170] <... bpf resumed>) = 5 [pid 22170] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22168] <... futex resumed>) = 0 [pid 22170] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22168] close(3) = 0 [pid 22168] close(4) = 0 [pid 22168] close(5) = 0 [pid 22168] close(6) = -1 EBADF (Bad file descriptor) [pid 22168] close(7) = -1 EBADF (Bad file descriptor) [pid 22168] close(8) = -1 EBADF (Bad file descriptor) [pid 22168] close(9) = -1 EBADF (Bad file descriptor) [pid 22168] close(10) = -1 EBADF (Bad file descriptor) [pid 22168] close(11) = -1 EBADF (Bad file descriptor) [pid 22168] close(12) = -1 EBADF (Bad file descriptor) [pid 22168] close(13) = -1 EBADF (Bad file descriptor) [pid 22168] close(14) = -1 EBADF (Bad file descriptor) [pid 22168] close(15) = -1 EBADF (Bad file descriptor) [pid 22168] close(16) = -1 EBADF (Bad file descriptor) [pid 22168] close(17) = -1 EBADF (Bad file descriptor) [pid 22168] close(18) = -1 EBADF (Bad file descriptor) [pid 22168] close(19) = -1 EBADF (Bad file descriptor) [pid 22168] close(20) = -1 EBADF (Bad file descriptor) [pid 22168] close(21) = -1 EBADF (Bad file descriptor) [pid 22168] close(22) = -1 EBADF (Bad file descriptor) [pid 22168] close(23) = -1 EBADF (Bad file descriptor) [pid 22168] close(24) = -1 EBADF (Bad file descriptor) [pid 22168] close(25) = -1 EBADF (Bad file descriptor) [pid 22168] close(26) = -1 EBADF (Bad file descriptor) [pid 22168] close(27) = -1 EBADF (Bad file descriptor) [pid 22168] close(28) = -1 EBADF (Bad file descriptor) [pid 22168] close(29) = -1 EBADF (Bad file descriptor) [pid 22168] exit_group(0) = ? [pid 22169] <... futex resumed>) = ? [pid 22170] <... futex resumed>) = ? [pid 22169] +++ exited with 0 +++ [pid 22170] +++ exited with 0 +++ [pid 22168] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7518", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7518", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7518/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7518/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7518/cgroup.cpu") = 0 [pid 287] umount2("./7518/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7518/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7518/binderfs") = 0 [pid 287] umount2("./7518/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7518/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7518/cgroup") = 0 [pid 287] umount2("./7518/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7518/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7518/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7518") = 0 [pid 287] mkdir("./7519", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22171 attached [pid 22171] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22171] chdir("./7519" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21761 [pid 22171] <... chdir resumed>) = 0 [pid 22171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22171] setpgid(0, 0) = 0 [pid 22171] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22171] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22171] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22171] write(3, "1000", 4) = 4 [pid 22171] close(3) = 0 [pid 22171] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22171] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22171] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22171] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22172 attached => {parent_tid=[21762]}, 88) = 21762 [pid 22172] set_robust_list(0x7f3b956fb9a0, 24 [pid 22171] rt_sigprocmask(SIG_SETMASK, [], [pid 22172] <... set_robust_list resumed>) = 0 [pid 22171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22172] rt_sigprocmask(SIG_SETMASK, [], [pid 22171] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22171] <... futex resumed>) = 0 [pid 22171] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22172] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22171] <... futex resumed>) = 0 [pid 22172] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22171] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22171] <... futex resumed>) = 0 [pid 22172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22171] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22172] <... bpf resumed>) = 4 [pid 22172] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22171] <... futex resumed>) = 0 [pid 22172] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22171] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22171] <... futex resumed>) = 0 [pid 22172] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22171] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22172] <... bpf resumed>) = 0 [pid 22171] <... futex resumed>) = 0 [pid 22172] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22172] <... futex resumed>) = 0 [pid 22171] <... mmap resumed>) = 0x7f3b956ba000 [pid 22172] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22171] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22173 attached [pid 22173] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22171] <... clone3 resumed> => {parent_tid=[21763]}, 88) = 21763 [pid 22173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22171] rt_sigprocmask(SIG_SETMASK, [], [pid 22173] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22171] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22173] <... futex resumed>) = 0 [pid 22171] <... futex resumed>) = 1 [pid 22173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22171] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22173] <... bpf resumed>) = 5 [pid 22173] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22171] <... futex resumed>) = 0 [pid 22173] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22171] close(3) = 0 [pid 22171] close(4) = 0 [pid 22171] close(5) = 0 [pid 22171] close(6) = -1 EBADF (Bad file descriptor) [pid 22171] close(7) = -1 EBADF (Bad file descriptor) [pid 22171] close(8) = -1 EBADF (Bad file descriptor) [pid 22171] close(9) = -1 EBADF (Bad file descriptor) [pid 22171] close(10) = -1 EBADF (Bad file descriptor) [pid 22171] close(11) = -1 EBADF (Bad file descriptor) [pid 22171] close(12) = -1 EBADF (Bad file descriptor) [pid 22171] close(13) = -1 EBADF (Bad file descriptor) [pid 22171] close(14) = -1 EBADF (Bad file descriptor) [pid 22171] close(15) = -1 EBADF (Bad file descriptor) [pid 22171] close(16) = -1 EBADF (Bad file descriptor) [pid 22171] close(17) = -1 EBADF (Bad file descriptor) [pid 22171] close(18) = -1 EBADF (Bad file descriptor) [pid 22171] close(19) = -1 EBADF (Bad file descriptor) [pid 22171] close(20) = -1 EBADF (Bad file descriptor) [pid 22171] close(21) = -1 EBADF (Bad file descriptor) [pid 22171] close(22) = -1 EBADF (Bad file descriptor) [pid 22171] close(23) = -1 EBADF (Bad file descriptor) [pid 22171] close(24) = -1 EBADF (Bad file descriptor) [pid 22171] close(25) = -1 EBADF (Bad file descriptor) [pid 22171] close(26) = -1 EBADF (Bad file descriptor) [pid 22171] close(27) = -1 EBADF (Bad file descriptor) [pid 22171] close(28) = -1 EBADF (Bad file descriptor) [pid 22171] close(29) = -1 EBADF (Bad file descriptor) [pid 22171] exit_group(0 [pid 22172] <... futex resumed>) = ? [pid 22171] <... exit_group resumed>) = ? [pid 22173] <... futex resumed>) = ? [pid 22173] +++ exited with 0 +++ [pid 22172] +++ exited with 0 +++ [pid 22171] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7519", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7519", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7519/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7519/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7519/cgroup.cpu") = 0 [pid 287] umount2("./7519/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7519/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7519/binderfs") = 0 [pid 287] umount2("./7519/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7519/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7519/cgroup") = 0 [pid 287] umount2("./7519/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7519/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7519/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7519") = 0 [pid 287] mkdir("./7520", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22174 attached [pid 22174] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22174] chdir("./7520") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21764 [pid 22174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22174] setpgid(0, 0) = 0 [pid 22174] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22174] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22174] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22174] write(3, "1000", 4) = 4 [pid 22174] close(3) = 0 [pid 22174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22174] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22174] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22174] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22175 attached [pid 22175] set_robust_list(0x7f3b956fb9a0, 24 [pid 22174] <... clone3 resumed> => {parent_tid=[21765]}, 88) = 21765 [pid 22175] <... set_robust_list resumed>) = 0 [pid 22174] rt_sigprocmask(SIG_SETMASK, [], [pid 22175] rt_sigprocmask(SIG_SETMASK, [], [pid 22174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22174] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22174] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22175] <... bpf resumed>) = 3 [pid 22175] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22174] <... futex resumed>) = 0 [pid 22175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22174] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22175] <... bpf resumed>) = 4 [pid 22174] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22175] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22175] <... futex resumed>) = 0 [pid 22174] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22175] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22174] <... futex resumed>) = 0 [pid 22175] <... bpf resumed>) = 0 [pid 22174] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22175] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22174] <... futex resumed>) = 0 [pid 22175] <... futex resumed>) = 0 [pid 22174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22175] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22174] <... mmap resumed>) = 0x7f3b956ba000 [pid 22174] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22176 attached [pid 22176] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22174] <... clone3 resumed> => {parent_tid=[21766]}, 88) = 21766 [pid 22176] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22176] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22174] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22176] <... futex resumed>) = 0 [pid 22174] <... futex resumed>) = 1 [pid 22176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22174] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22176] <... bpf resumed>) = 5 [pid 22176] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22174] <... futex resumed>) = 0 [pid 22176] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22174] close(3) = 0 [pid 22174] close(4) = 0 [pid 22174] close(5) = 0 [pid 22174] close(6) = -1 EBADF (Bad file descriptor) [pid 22174] close(7) = -1 EBADF (Bad file descriptor) [pid 22174] close(8) = -1 EBADF (Bad file descriptor) [pid 22174] close(9) = -1 EBADF (Bad file descriptor) [pid 22174] close(10) = -1 EBADF (Bad file descriptor) [pid 22174] close(11) = -1 EBADF (Bad file descriptor) [pid 22174] close(12) = -1 EBADF (Bad file descriptor) [pid 22174] close(13) = -1 EBADF (Bad file descriptor) [pid 22174] close(14) = -1 EBADF (Bad file descriptor) [pid 22174] close(15) = -1 EBADF (Bad file descriptor) [pid 22174] close(16) = -1 EBADF (Bad file descriptor) [pid 22174] close(17) = -1 EBADF (Bad file descriptor) [pid 22174] close(18) = -1 EBADF (Bad file descriptor) [pid 22174] close(19) = -1 EBADF (Bad file descriptor) [pid 22174] close(20) = -1 EBADF (Bad file descriptor) [pid 22174] close(21) = -1 EBADF (Bad file descriptor) [pid 22174] close(22) = -1 EBADF (Bad file descriptor) [pid 22174] close(23) = -1 EBADF (Bad file descriptor) [pid 22174] close(24) = -1 EBADF (Bad file descriptor) [pid 22174] close(25) = -1 EBADF (Bad file descriptor) [pid 22174] close(26) = -1 EBADF (Bad file descriptor) [pid 22174] close(27) = -1 EBADF (Bad file descriptor) [pid 22174] close(28) = -1 EBADF (Bad file descriptor) [pid 22174] close(29) = -1 EBADF (Bad file descriptor) [pid 22174] exit_group(0 [pid 22176] <... futex resumed>) = ? [pid 22175] <... futex resumed>) = ? [pid 22174] <... exit_group resumed>) = ? [pid 22176] +++ exited with 0 +++ [pid 22175] +++ exited with 0 +++ [pid 22174] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21764, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7520", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7520", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7520/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7520/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7520/cgroup.cpu") = 0 [pid 287] umount2("./7520/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7520/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7520/binderfs") = 0 [pid 287] umount2("./7520/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7520/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7520/cgroup") = 0 [pid 287] umount2("./7520/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7520/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7520/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7520") = 0 [pid 287] mkdir("./7521", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22177 attached [pid 22177] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22177] chdir("./7521" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21767 [pid 22177] <... chdir resumed>) = 0 [pid 22177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22177] setpgid(0, 0) = 0 [pid 22177] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22177] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22177] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22177] write(3, "1000", 4) = 4 [pid 22177] close(3) = 0 [pid 22177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22177] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22177] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22177] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22177] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22178 attached => {parent_tid=[21768]}, 88) = 21768 [pid 22177] rt_sigprocmask(SIG_SETMASK, [], [pid 22178] set_robust_list(0x7f3b956fb9a0, 24 [pid 22177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22178] <... set_robust_list resumed>) = 0 [pid 22177] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22178] rt_sigprocmask(SIG_SETMASK, [], [pid 22177] <... futex resumed>) = 0 [pid 22178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22177] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22178] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22177] <... futex resumed>) = 0 [pid 22178] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22177] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22177] <... futex resumed>) = 0 [pid 22178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22177] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22178] <... bpf resumed>) = 4 [pid 22178] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22177] <... futex resumed>) = 0 [pid 22178] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22177] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22177] <... futex resumed>) = 0 [pid 22178] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22177] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22178] <... bpf resumed>) = 0 [pid 22177] <... futex resumed>) = 0 [pid 22178] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22178] <... futex resumed>) = 0 [pid 22177] <... mmap resumed>) = 0x7f3b956ba000 [pid 22178] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22177] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22177] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22179 attached [pid 22179] set_robust_list(0x7f3b956da9a0, 24 [pid 22177] <... clone3 resumed> => {parent_tid=[21769]}, 88) = 21769 [pid 22179] <... set_robust_list resumed>) = 0 [pid 22179] rt_sigprocmask(SIG_SETMASK, [], [pid 22177] rt_sigprocmask(SIG_SETMASK, [], [pid 22179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22179] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22177] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22177] <... futex resumed>) = 0 [pid 22177] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22179] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22179] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22177] <... futex resumed>) = 0 [pid 22177] close(3) = 0 [pid 22177] close(4) = 0 [pid 22177] close(5) = 0 [pid 22177] close(6) = -1 EBADF (Bad file descriptor) [pid 22177] close(7) = -1 EBADF (Bad file descriptor) [pid 22177] close(8) = -1 EBADF (Bad file descriptor) [pid 22177] close(9) = -1 EBADF (Bad file descriptor) [pid 22177] close(10) = -1 EBADF (Bad file descriptor) [pid 22177] close(11) = -1 EBADF (Bad file descriptor) [pid 22177] close(12) = -1 EBADF (Bad file descriptor) [pid 22177] close(13) = -1 EBADF (Bad file descriptor) [pid 22177] close(14) = -1 EBADF (Bad file descriptor) [pid 22177] close(15) = -1 EBADF (Bad file descriptor) [pid 22177] close(16) = -1 EBADF (Bad file descriptor) [pid 22177] close(17) = -1 EBADF (Bad file descriptor) [pid 22177] close(18) = -1 EBADF (Bad file descriptor) [pid 22177] close(19) = -1 EBADF (Bad file descriptor) [pid 22177] close(20) = -1 EBADF (Bad file descriptor) [pid 22177] close(21) = -1 EBADF (Bad file descriptor) [pid 22177] close(22) = -1 EBADF (Bad file descriptor) [pid 22177] close(23) = -1 EBADF (Bad file descriptor) [pid 22177] close(24) = -1 EBADF (Bad file descriptor) [pid 22177] close(25) = -1 EBADF (Bad file descriptor) [pid 22177] close(26) = -1 EBADF (Bad file descriptor) [pid 22177] close(27) = -1 EBADF (Bad file descriptor) [pid 22177] close(28) = -1 EBADF (Bad file descriptor) [pid 22177] close(29) = -1 EBADF (Bad file descriptor) [pid 22177] exit_group(0 [pid 22179] <... futex resumed>) = ? [pid 22177] <... exit_group resumed>) = ? [pid 22179] +++ exited with 0 +++ [pid 22178] <... futex resumed>) = ? [pid 22178] +++ exited with 0 +++ [pid 22177] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7521", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7521", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7521/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7521/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7521/cgroup.cpu") = 0 [pid 287] umount2("./7521/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7521/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7521/binderfs") = 0 [pid 287] umount2("./7521/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7521/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7521/cgroup") = 0 [pid 287] umount2("./7521/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7521/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7521/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7521") = 0 [pid 287] mkdir("./7522", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21770 ./strace-static-x86_64: Process 22180 attached [pid 22180] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22180] chdir("./7522") = 0 [pid 22180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22180] setpgid(0, 0) = 0 [pid 22180] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22180] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22180] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22180] write(3, "1000", 4) = 4 [pid 22180] close(3) = 0 [pid 22180] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22180] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22180] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22180] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22181 attached [pid 22181] set_robust_list(0x7f3b956fb9a0, 24 [pid 22180] <... clone3 resumed> => {parent_tid=[21771]}, 88) = 21771 [pid 22181] <... set_robust_list resumed>) = 0 [pid 22180] rt_sigprocmask(SIG_SETMASK, [], [pid 22181] rt_sigprocmask(SIG_SETMASK, [], [pid 22180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22180] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22180] <... futex resumed>) = 0 [pid 22180] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22181] <... bpf resumed>) = 3 [pid 22181] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22180] <... futex resumed>) = 0 [pid 22181] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22180] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22180] <... futex resumed>) = 0 [pid 22181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22180] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22181] <... bpf resumed>) = 4 [pid 22181] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22180] <... futex resumed>) = 0 [pid 22181] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22180] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22180] <... futex resumed>) = 0 [pid 22181] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22180] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22181] <... bpf resumed>) = 0 [pid 22180] <... futex resumed>) = 0 [pid 22181] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22181] <... futex resumed>) = 0 [pid 22180] <... mmap resumed>) = 0x7f3b956ba000 [pid 22181] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22180] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22182 attached => {parent_tid=[21772]}, 88) = 21772 [pid 22182] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22180] rt_sigprocmask(SIG_SETMASK, [], [pid 22182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22182] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22180] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22180] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22182] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22180] <... futex resumed>) = 0 [pid 22182] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22180] close(3) = 0 [pid 22180] close(4) = 0 [pid 22180] close(5) = 0 [pid 22180] close(6) = -1 EBADF (Bad file descriptor) [pid 22180] close(7) = -1 EBADF (Bad file descriptor) [pid 22180] close(8) = -1 EBADF (Bad file descriptor) [pid 22180] close(9) = -1 EBADF (Bad file descriptor) [pid 22180] close(10) = -1 EBADF (Bad file descriptor) [pid 22180] close(11) = -1 EBADF (Bad file descriptor) [pid 22180] close(12) = -1 EBADF (Bad file descriptor) [pid 22180] close(13) = -1 EBADF (Bad file descriptor) [pid 22180] close(14) = -1 EBADF (Bad file descriptor) [pid 22180] close(15) = -1 EBADF (Bad file descriptor) [pid 22180] close(16) = -1 EBADF (Bad file descriptor) [pid 22180] close(17) = -1 EBADF (Bad file descriptor) [pid 22180] close(18) = -1 EBADF (Bad file descriptor) [pid 22180] close(19) = -1 EBADF (Bad file descriptor) [pid 22180] close(20) = -1 EBADF (Bad file descriptor) [pid 22180] close(21) = -1 EBADF (Bad file descriptor) [pid 22180] close(22) = -1 EBADF (Bad file descriptor) [pid 22180] close(23) = -1 EBADF (Bad file descriptor) [pid 22180] close(24) = -1 EBADF (Bad file descriptor) [pid 22180] close(25) = -1 EBADF (Bad file descriptor) [pid 22180] close(26) = -1 EBADF (Bad file descriptor) [pid 22180] close(27) = -1 EBADF (Bad file descriptor) [pid 22180] close(28) = -1 EBADF (Bad file descriptor) [pid 22180] close(29) = -1 EBADF (Bad file descriptor) [pid 22180] exit_group(0 [pid 22181] <... futex resumed>) = ? [pid 22180] <... exit_group resumed>) = ? [pid 22182] <... futex resumed>) = ? [pid 22181] +++ exited with 0 +++ [pid 22182] +++ exited with 0 +++ [pid 22180] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7522", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7522", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7522/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7522/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7522/cgroup.cpu") = 0 [pid 287] umount2("./7522/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7522/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7522/binderfs") = 0 [pid 287] umount2("./7522/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7522/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7522/cgroup") = 0 [pid 287] umount2("./7522/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7522/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7522/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7522") = 0 [pid 287] mkdir("./7523", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22183 attached [pid 22183] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21773 [pid 22183] chdir("./7523") = 0 [pid 22183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22183] setpgid(0, 0) = 0 [pid 22183] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22183] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22183] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22183] write(3, "1000", 4) = 4 [pid 22183] close(3) = 0 [pid 22183] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22183] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22183] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22183] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22183] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22184 attached [pid 22184] set_robust_list(0x7f3b956fb9a0, 24 [pid 22183] <... clone3 resumed> => {parent_tid=[21774]}, 88) = 21774 [pid 22184] <... set_robust_list resumed>) = 0 [pid 22183] rt_sigprocmask(SIG_SETMASK, [], [pid 22184] rt_sigprocmask(SIG_SETMASK, [], [pid 22183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22183] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22183] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22184] <... bpf resumed>) = 3 [pid 22184] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22183] <... futex resumed>) = 0 [pid 22184] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22183] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22183] <... futex resumed>) = 0 [pid 22184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22183] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22184] <... bpf resumed>) = 4 [pid 22184] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22183] <... futex resumed>) = 0 [pid 22184] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22183] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22183] <... futex resumed>) = 0 [pid 22184] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22183] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22183] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22184] <... bpf resumed>) = 0 [pid 22183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22184] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22183] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22184] <... futex resumed>) = 0 [pid 22183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22185 attached [pid 22184] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22185] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22183] <... clone3 resumed> => {parent_tid=[21775]}, 88) = 21775 [pid 22185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22183] rt_sigprocmask(SIG_SETMASK, [], [pid 22185] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22183] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22185] <... futex resumed>) = 0 [pid 22183] <... futex resumed>) = 1 [pid 22185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22183] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22185] <... bpf resumed>) = 5 [pid 22185] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22183] <... futex resumed>) = 0 [pid 22185] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22183] close(3) = 0 [pid 22183] close(4) = 0 [pid 22183] close(5) = 0 [pid 22183] close(6) = -1 EBADF (Bad file descriptor) [pid 22183] close(7) = -1 EBADF (Bad file descriptor) [pid 22183] close(8) = -1 EBADF (Bad file descriptor) [pid 22183] close(9) = -1 EBADF (Bad file descriptor) [pid 22183] close(10) = -1 EBADF (Bad file descriptor) [pid 22183] close(11) = -1 EBADF (Bad file descriptor) [pid 22183] close(12) = -1 EBADF (Bad file descriptor) [pid 22183] close(13) = -1 EBADF (Bad file descriptor) [pid 22183] close(14) = -1 EBADF (Bad file descriptor) [pid 22183] close(15) = -1 EBADF (Bad file descriptor) [pid 22183] close(16) = -1 EBADF (Bad file descriptor) [pid 22183] close(17) = -1 EBADF (Bad file descriptor) [pid 22183] close(18) = -1 EBADF (Bad file descriptor) [pid 22183] close(19) = -1 EBADF (Bad file descriptor) [pid 22183] close(20) = -1 EBADF (Bad file descriptor) [pid 22183] close(21) = -1 EBADF (Bad file descriptor) [pid 22183] close(22) = -1 EBADF (Bad file descriptor) [pid 22183] close(23) = -1 EBADF (Bad file descriptor) [pid 22183] close(24) = -1 EBADF (Bad file descriptor) [pid 22183] close(25) = -1 EBADF (Bad file descriptor) [pid 22183] close(26) = -1 EBADF (Bad file descriptor) [pid 22183] close(27) = -1 EBADF (Bad file descriptor) [pid 22183] close(28) = -1 EBADF (Bad file descriptor) [pid 22183] close(29) = -1 EBADF (Bad file descriptor) [pid 22183] exit_group(0 [pid 22185] <... futex resumed>) = ? [pid 22184] <... futex resumed>) = ? [pid 22183] <... exit_group resumed>) = ? [pid 22185] +++ exited with 0 +++ [pid 22184] +++ exited with 0 +++ [pid 22183] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7523", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7523", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7523/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7523/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7523/cgroup.cpu") = 0 [pid 287] umount2("./7523/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7523/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7523/binderfs") = 0 [pid 287] umount2("./7523/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7523/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7523/cgroup") = 0 [pid 287] umount2("./7523/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7523/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7523/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7523") = 0 [pid 287] mkdir("./7524", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22186 attached [pid 22186] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22186] chdir("./7524") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21776 [pid 22186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22186] setpgid(0, 0) = 0 [pid 22186] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22186] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22186] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22186] write(3, "1000", 4) = 4 [pid 22186] close(3) = 0 [pid 22186] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22186] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22186] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22186] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22186] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22187 attached [pid 22187] set_robust_list(0x7f3b956fb9a0, 24 [pid 22186] <... clone3 resumed> => {parent_tid=[21777]}, 88) = 21777 [pid 22187] <... set_robust_list resumed>) = 0 [pid 22186] rt_sigprocmask(SIG_SETMASK, [], [pid 22187] rt_sigprocmask(SIG_SETMASK, [], [pid 22186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22186] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22186] <... futex resumed>) = 0 [pid 22187] <... bpf resumed>) = 3 [pid 22186] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22187] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22187] <... futex resumed>) = 0 [pid 22186] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22186] <... futex resumed>) = 0 [pid 22187] <... bpf resumed>) = 4 [pid 22186] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22187] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22187] <... futex resumed>) = 0 [pid 22186] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22187] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22186] <... futex resumed>) = 0 [pid 22187] <... bpf resumed>) = 0 [pid 22186] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22187] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22186] <... futex resumed>) = 0 [pid 22187] <... futex resumed>) = 0 [pid 22186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22187] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22186] <... mmap resumed>) = 0x7f3b956ba000 [pid 22186] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22186] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22188 attached => {parent_tid=[21778]}, 88) = 21778 [pid 22188] set_robust_list(0x7f3b956da9a0, 24 [pid 22186] rt_sigprocmask(SIG_SETMASK, [], [pid 22188] <... set_robust_list resumed>) = 0 [pid 22186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22188] rt_sigprocmask(SIG_SETMASK, [], [pid 22186] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22186] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22188] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22186] <... futex resumed>) = 0 [pid 22188] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22186] close(3) = 0 [pid 22186] close(4) = 0 [pid 22186] close(5) = 0 [pid 22186] close(6) = -1 EBADF (Bad file descriptor) [pid 22186] close(7) = -1 EBADF (Bad file descriptor) [pid 22186] close(8) = -1 EBADF (Bad file descriptor) [pid 22186] close(9) = -1 EBADF (Bad file descriptor) [pid 22186] close(10) = -1 EBADF (Bad file descriptor) [pid 22186] close(11) = -1 EBADF (Bad file descriptor) [pid 22186] close(12) = -1 EBADF (Bad file descriptor) [pid 22186] close(13) = -1 EBADF (Bad file descriptor) [pid 22186] close(14) = -1 EBADF (Bad file descriptor) [pid 22186] close(15) = -1 EBADF (Bad file descriptor) [pid 22186] close(16) = -1 EBADF (Bad file descriptor) [pid 22186] close(17) = -1 EBADF (Bad file descriptor) [pid 22186] close(18) = -1 EBADF (Bad file descriptor) [pid 22186] close(19) = -1 EBADF (Bad file descriptor) [pid 22186] close(20) = -1 EBADF (Bad file descriptor) [pid 22186] close(21) = -1 EBADF (Bad file descriptor) [pid 22186] close(22) = -1 EBADF (Bad file descriptor) [pid 22186] close(23) = -1 EBADF (Bad file descriptor) [pid 22186] close(24) = -1 EBADF (Bad file descriptor) [pid 22186] close(25) = -1 EBADF (Bad file descriptor) [pid 22186] close(26) = -1 EBADF (Bad file descriptor) [pid 22186] close(27) = -1 EBADF (Bad file descriptor) [pid 22186] close(28) = -1 EBADF (Bad file descriptor) [pid 22186] close(29) = -1 EBADF (Bad file descriptor) [pid 22186] exit_group(0 [pid 22188] <... futex resumed>) = ? [pid 22187] <... futex resumed>) = ? [pid 22186] <... exit_group resumed>) = ? [pid 22187] +++ exited with 0 +++ [pid 22188] +++ exited with 0 +++ [pid 22186] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7524", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7524", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7524/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7524/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7524/cgroup.cpu") = 0 [pid 287] umount2("./7524/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7524/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7524/binderfs") = 0 [pid 287] umount2("./7524/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7524/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7524/cgroup") = 0 [pid 287] umount2("./7524/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7524/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7524/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7524") = 0 [pid 287] mkdir("./7525", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22189 attached [pid 22189] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22189] chdir("./7525") = 0 [pid 22189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22189] setpgid(0, 0) = 0 [pid 22189] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21779 [pid 22189] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22189] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22189] write(3, "1000", 4) = 4 [pid 22189] close(3) = 0 [pid 22189] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22189] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22189] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22189] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22190 attached => {parent_tid=[21780]}, 88) = 21780 [pid 22190] set_robust_list(0x7f3b956fb9a0, 24 [pid 22189] rt_sigprocmask(SIG_SETMASK, [], [pid 22190] <... set_robust_list resumed>) = 0 [pid 22189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22190] rt_sigprocmask(SIG_SETMASK, [], [pid 22189] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22189] <... futex resumed>) = 0 [pid 22190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22189] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22190] <... bpf resumed>) = 3 [pid 22190] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22189] <... futex resumed>) = 0 [pid 22190] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22189] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22189] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22190] <... bpf resumed>) = 4 [pid 22190] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22189] <... futex resumed>) = 0 [pid 22190] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22189] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22189] <... futex resumed>) = 0 [pid 22190] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22189] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22190] <... bpf resumed>) = 0 [pid 22189] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22190] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22189] <... mprotect resumed>) = 0 [pid 22190] <... futex resumed>) = 0 [pid 22189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22190] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22191 attached [pid 22191] set_robust_list(0x7f3b956da9a0, 24 [pid 22189] <... clone3 resumed> => {parent_tid=[21781]}, 88) = 21781 [pid 22191] <... set_robust_list resumed>) = 0 [pid 22189] rt_sigprocmask(SIG_SETMASK, [], [pid 22191] rt_sigprocmask(SIG_SETMASK, [], [pid 22189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22189] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22189] <... futex resumed>) = 0 [pid 22191] <... bpf resumed>) = 5 [pid 22189] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22191] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22191] <... futex resumed>) = 0 [pid 22189] close(3 [pid 22191] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22189] <... close resumed>) = 0 [pid 22189] close(4) = 0 [pid 22189] close(5) = 0 [pid 22189] close(6) = -1 EBADF (Bad file descriptor) [pid 22189] close(7) = -1 EBADF (Bad file descriptor) [pid 22189] close(8) = -1 EBADF (Bad file descriptor) [pid 22189] close(9) = -1 EBADF (Bad file descriptor) [pid 22189] close(10) = -1 EBADF (Bad file descriptor) [pid 22189] close(11) = -1 EBADF (Bad file descriptor) [pid 22189] close(12) = -1 EBADF (Bad file descriptor) [pid 22189] close(13) = -1 EBADF (Bad file descriptor) [pid 22189] close(14) = -1 EBADF (Bad file descriptor) [pid 22189] close(15) = -1 EBADF (Bad file descriptor) [pid 22189] close(16) = -1 EBADF (Bad file descriptor) [pid 22189] close(17) = -1 EBADF (Bad file descriptor) [pid 22189] close(18) = -1 EBADF (Bad file descriptor) [pid 22189] close(19) = -1 EBADF (Bad file descriptor) [pid 22189] close(20) = -1 EBADF (Bad file descriptor) [pid 22189] close(21) = -1 EBADF (Bad file descriptor) [pid 22189] close(22) = -1 EBADF (Bad file descriptor) [pid 22189] close(23) = -1 EBADF (Bad file descriptor) [pid 22189] close(24) = -1 EBADF (Bad file descriptor) [pid 22189] close(25) = -1 EBADF (Bad file descriptor) [pid 22189] close(26) = -1 EBADF (Bad file descriptor) [pid 22189] close(27) = -1 EBADF (Bad file descriptor) [pid 22189] close(28) = -1 EBADF (Bad file descriptor) [pid 22189] close(29) = -1 EBADF (Bad file descriptor) [pid 22189] exit_group(0 [pid 22191] <... futex resumed>) = ? [pid 22190] <... futex resumed>) = ? [pid 22189] <... exit_group resumed>) = ? [pid 22191] +++ exited with 0 +++ [pid 22190] +++ exited with 0 +++ [pid 22189] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7525", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7525", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7525/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7525/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7525/cgroup.cpu") = 0 [pid 287] umount2("./7525/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7525/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7525/binderfs") = 0 [pid 287] umount2("./7525/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7525/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7525/cgroup") = 0 [pid 287] umount2("./7525/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7525/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7525/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7525") = 0 [pid 287] mkdir("./7526", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22192 attached [pid 22192] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22192] chdir("./7526") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21782 [pid 22192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22192] setpgid(0, 0) = 0 [pid 22192] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22192] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22192] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22192] write(3, "1000", 4) = 4 [pid 22192] close(3) = 0 [pid 22192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22192] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22192] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22192] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22193 attached [pid 22193] set_robust_list(0x7f3b956fb9a0, 24 [pid 22192] <... clone3 resumed> => {parent_tid=[21783]}, 88) = 21783 [pid 22193] <... set_robust_list resumed>) = 0 [pid 22192] rt_sigprocmask(SIG_SETMASK, [], [pid 22193] rt_sigprocmask(SIG_SETMASK, [], [pid 22192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22192] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22192] <... futex resumed>) = 0 [pid 22193] <... bpf resumed>) = 3 [pid 22192] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22193] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22193] <... futex resumed>) = 0 [pid 22192] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22192] <... futex resumed>) = 0 [pid 22193] <... bpf resumed>) = 4 [pid 22192] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22193] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22193] <... futex resumed>) = 0 [pid 22192] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22193] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22192] <... futex resumed>) = 0 [pid 22193] <... bpf resumed>) = 0 [pid 22192] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22193] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22192] <... futex resumed>) = 0 [pid 22193] <... futex resumed>) = 0 [pid 22192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22193] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22192] <... mmap resumed>) = 0x7f3b956ba000 [pid 22192] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22194 attached => {parent_tid=[21784]}, 88) = 21784 [pid 22194] set_robust_list(0x7f3b956da9a0, 24 [pid 22192] rt_sigprocmask(SIG_SETMASK, [], [pid 22194] <... set_robust_list resumed>) = 0 [pid 22192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22194] rt_sigprocmask(SIG_SETMASK, [], [pid 22192] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22192] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22194] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22192] <... futex resumed>) = 0 [pid 22192] close(3) = 0 [pid 22192] close(4 [pid 22194] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22192] <... close resumed>) = 0 [pid 22192] close(5) = 0 [pid 22192] close(6) = -1 EBADF (Bad file descriptor) [pid 22192] close(7) = -1 EBADF (Bad file descriptor) [pid 22192] close(8) = -1 EBADF (Bad file descriptor) [pid 22192] close(9) = -1 EBADF (Bad file descriptor) [pid 22192] close(10) = -1 EBADF (Bad file descriptor) [pid 22192] close(11) = -1 EBADF (Bad file descriptor) [pid 22192] close(12) = -1 EBADF (Bad file descriptor) [pid 22192] close(13) = -1 EBADF (Bad file descriptor) [pid 22192] close(14) = -1 EBADF (Bad file descriptor) [pid 22192] close(15) = -1 EBADF (Bad file descriptor) [pid 22192] close(16) = -1 EBADF (Bad file descriptor) [pid 22192] close(17) = -1 EBADF (Bad file descriptor) [pid 22192] close(18) = -1 EBADF (Bad file descriptor) [pid 22192] close(19) = -1 EBADF (Bad file descriptor) [pid 22192] close(20) = -1 EBADF (Bad file descriptor) [pid 22192] close(21) = -1 EBADF (Bad file descriptor) [pid 22192] close(22) = -1 EBADF (Bad file descriptor) [pid 22192] close(23) = -1 EBADF (Bad file descriptor) [pid 22192] close(24) = -1 EBADF (Bad file descriptor) [pid 22192] close(25) = -1 EBADF (Bad file descriptor) [pid 22192] close(26) = -1 EBADF (Bad file descriptor) [pid 22192] close(27) = -1 EBADF (Bad file descriptor) [pid 22192] close(28) = -1 EBADF (Bad file descriptor) [pid 22192] close(29) = -1 EBADF (Bad file descriptor) [pid 22192] exit_group(0 [pid 22194] <... futex resumed>) = ? [pid 22193] <... futex resumed>) = ? [pid 22192] <... exit_group resumed>) = ? [pid 22194] +++ exited with 0 +++ [pid 22193] +++ exited with 0 +++ [pid 22192] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7526", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7526", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7526/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7526/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7526/cgroup.cpu") = 0 [pid 287] umount2("./7526/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7526/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7526/binderfs") = 0 [pid 287] umount2("./7526/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7526/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7526/cgroup") = 0 [pid 287] umount2("./7526/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7526/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7526/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7526") = 0 [pid 287] mkdir("./7527", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22195 attached [pid 22195] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22195] chdir("./7527") = 0 [pid 22195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21785 [pid 22195] <... prctl resumed>) = 0 [pid 22195] setpgid(0, 0) = 0 [pid 22195] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22195] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22195] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22195] write(3, "1000", 4) = 4 [pid 22195] close(3) = 0 [pid 22195] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22195] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22195] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22195] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22195] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22196 attached [pid 22196] set_robust_list(0x7f3b956fb9a0, 24 [pid 22195] <... clone3 resumed> => {parent_tid=[21786]}, 88) = 21786 [pid 22196] <... set_robust_list resumed>) = 0 [pid 22195] rt_sigprocmask(SIG_SETMASK, [], [pid 22196] rt_sigprocmask(SIG_SETMASK, [], [pid 22195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22195] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22195] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22196] <... bpf resumed>) = 3 [pid 22196] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22195] <... futex resumed>) = 0 [pid 22196] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22195] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22195] <... futex resumed>) = 0 [pid 22195] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22196] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22195] <... futex resumed>) = 0 [pid 22196] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22195] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22195] <... futex resumed>) = 0 [pid 22196] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22195] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22196] <... bpf resumed>) = 0 [pid 22195] <... mmap resumed>) = 0x7f3b956ba000 [pid 22196] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22195] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22196] <... futex resumed>) = 0 [pid 22195] <... mprotect resumed>) = 0 [pid 22196] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22195] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22197 attached => {parent_tid=[21787]}, 88) = 21787 [pid 22195] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22197] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22195] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22195] <... futex resumed>) = 0 [pid 22197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22195] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22197] <... bpf resumed>) = 5 [pid 22197] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22197] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22195] <... futex resumed>) = 0 [pid 22195] close(3) = 0 [pid 22195] close(4) = 0 [pid 22195] close(5) = 0 [pid 22195] close(6) = -1 EBADF (Bad file descriptor) [pid 22195] close(7) = -1 EBADF (Bad file descriptor) [pid 22195] close(8) = -1 EBADF (Bad file descriptor) [pid 22195] close(9) = -1 EBADF (Bad file descriptor) [pid 22195] close(10) = -1 EBADF (Bad file descriptor) [pid 22195] close(11) = -1 EBADF (Bad file descriptor) [pid 22195] close(12) = -1 EBADF (Bad file descriptor) [pid 22195] close(13) = -1 EBADF (Bad file descriptor) [pid 22195] close(14) = -1 EBADF (Bad file descriptor) [pid 22195] close(15) = -1 EBADF (Bad file descriptor) [pid 22195] close(16) = -1 EBADF (Bad file descriptor) [pid 22195] close(17) = -1 EBADF (Bad file descriptor) [pid 22195] close(18) = -1 EBADF (Bad file descriptor) [pid 22195] close(19) = -1 EBADF (Bad file descriptor) [pid 22195] close(20) = -1 EBADF (Bad file descriptor) [pid 22195] close(21) = -1 EBADF (Bad file descriptor) [pid 22195] close(22) = -1 EBADF (Bad file descriptor) [pid 22195] close(23) = -1 EBADF (Bad file descriptor) [pid 22195] close(24) = -1 EBADF (Bad file descriptor) [pid 22195] close(25) = -1 EBADF (Bad file descriptor) [pid 22195] close(26) = -1 EBADF (Bad file descriptor) [pid 22195] close(27) = -1 EBADF (Bad file descriptor) [pid 22195] close(28) = -1 EBADF (Bad file descriptor) [pid 22195] close(29) = -1 EBADF (Bad file descriptor) [pid 22195] exit_group(0 [pid 22197] <... futex resumed>) = ? [pid 22196] <... futex resumed>) = ? [pid 22195] <... exit_group resumed>) = ? [pid 22197] +++ exited with 0 +++ [pid 22196] +++ exited with 0 +++ [pid 22195] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7527", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7527", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7527/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7527/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7527/cgroup.cpu") = 0 [pid 287] umount2("./7527/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7527/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7527/binderfs") = 0 [pid 287] umount2("./7527/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7527/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7527/cgroup") = 0 [pid 287] umount2("./7527/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7527/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7527/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7527") = 0 [pid 287] mkdir("./7528", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22198 attached [pid 22198] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22198] chdir("./7528") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21788 [pid 22198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22198] setpgid(0, 0) = 0 [pid 22198] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22198] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22198] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22198] write(3, "1000", 4) = 4 [pid 22198] close(3) = 0 [pid 22198] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22198] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22198] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22198] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22198] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22199 attached [pid 22199] set_robust_list(0x7f3b956fb9a0, 24 [pid 22198] <... clone3 resumed> => {parent_tid=[21789]}, 88) = 21789 [pid 22199] <... set_robust_list resumed>) = 0 [pid 22198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22198] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22199] rt_sigprocmask(SIG_SETMASK, [], [pid 22198] <... futex resumed>) = 0 [pid 22199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22198] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22199] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22198] <... futex resumed>) = 0 [pid 22199] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22198] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22198] <... futex resumed>) = 0 [pid 22198] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22199] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22199] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22198] <... futex resumed>) = 0 [pid 22199] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22198] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22199] <... bpf resumed>) = 0 [pid 22198] <... futex resumed>) = 0 [pid 22199] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22198] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22198] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22199] <... futex resumed>) = 0 [pid 22199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22199] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22198] <... futex resumed>) = 0 [pid 22199] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22198] close(3) = 0 [pid 22198] close(4) = 0 [pid 22198] close(5) = 0 [pid 22198] close(6) = -1 EBADF (Bad file descriptor) [pid 22198] close(7) = -1 EBADF (Bad file descriptor) [pid 22198] close(8) = -1 EBADF (Bad file descriptor) [pid 22198] close(9) = -1 EBADF (Bad file descriptor) [pid 22198] close(10) = -1 EBADF (Bad file descriptor) [pid 22198] close(11) = -1 EBADF (Bad file descriptor) [pid 22198] close(12) = -1 EBADF (Bad file descriptor) [pid 22198] close(13) = -1 EBADF (Bad file descriptor) [pid 22198] close(14) = -1 EBADF (Bad file descriptor) [pid 22198] close(15) = -1 EBADF (Bad file descriptor) [pid 22198] close(16) = -1 EBADF (Bad file descriptor) [pid 22198] close(17) = -1 EBADF (Bad file descriptor) [pid 22198] close(18) = -1 EBADF (Bad file descriptor) [pid 22198] close(19) = -1 EBADF (Bad file descriptor) [pid 22198] close(20) = -1 EBADF (Bad file descriptor) [pid 22198] close(21) = -1 EBADF (Bad file descriptor) [pid 22198] close(22) = -1 EBADF (Bad file descriptor) [pid 22198] close(23) = -1 EBADF (Bad file descriptor) [pid 22198] close(24) = -1 EBADF (Bad file descriptor) [pid 22198] close(25) = -1 EBADF (Bad file descriptor) [pid 22198] close(26) = -1 EBADF (Bad file descriptor) [pid 22198] close(27) = -1 EBADF (Bad file descriptor) [pid 22198] close(28) = -1 EBADF (Bad file descriptor) [pid 22198] close(29) = -1 EBADF (Bad file descriptor) [pid 22198] exit_group(0 [pid 22199] <... futex resumed>) = ? [pid 22198] <... exit_group resumed>) = ? [pid 22199] +++ exited with 0 +++ [pid 22198] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7528", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7528", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7528/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7528/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7528/cgroup.cpu") = 0 [pid 287] umount2("./7528/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7528/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7528/binderfs") = 0 [pid 287] umount2("./7528/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7528/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7528/cgroup") = 0 [pid 287] umount2("./7528/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7528/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7528/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7528") = 0 [pid 287] mkdir("./7529", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22200 attached [pid 22200] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22200] chdir("./7529" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21790 [pid 22200] <... chdir resumed>) = 0 [pid 22200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22200] setpgid(0, 0) = 0 [pid 22200] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22200] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22200] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22200] write(3, "1000", 4) = 4 [pid 22200] close(3) = 0 [pid 22200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22200] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22200] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22200] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22200] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22201 attached [pid 22201] set_robust_list(0x7f3b956fb9a0, 24 [pid 22200] <... clone3 resumed> => {parent_tid=[21791]}, 88) = 21791 [pid 22201] <... set_robust_list resumed>) = 0 [pid 22200] rt_sigprocmask(SIG_SETMASK, [], [pid 22201] rt_sigprocmask(SIG_SETMASK, [], [pid 22200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22200] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22200] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22201] <... bpf resumed>) = 3 [pid 22201] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22200] <... futex resumed>) = 0 [pid 22201] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22200] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22200] <... futex resumed>) = 0 [pid 22201] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22200] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22201] <... bpf resumed>) = 4 [pid 22201] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22201] <... futex resumed>) = 0 [pid 22201] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22200] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22201] <... bpf resumed>) = 0 [pid 22200] <... futex resumed>) = 0 [pid 22201] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22200] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22201] <... futex resumed>) = 0 [pid 22200] <... futex resumed>) = 0 [pid 22201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22200] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22201] <... bpf resumed>) = 5 [pid 22201] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22200] <... futex resumed>) = 0 [pid 22201] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22200] close(3) = 0 [pid 22200] close(4) = 0 [pid 22200] close(5) = 0 [pid 22200] close(6) = -1 EBADF (Bad file descriptor) [pid 22200] close(7) = -1 EBADF (Bad file descriptor) [pid 22200] close(8) = -1 EBADF (Bad file descriptor) [pid 22200] close(9) = -1 EBADF (Bad file descriptor) [pid 22200] close(10) = -1 EBADF (Bad file descriptor) [pid 22200] close(11) = -1 EBADF (Bad file descriptor) [pid 22200] close(12) = -1 EBADF (Bad file descriptor) [pid 22200] close(13) = -1 EBADF (Bad file descriptor) [pid 22200] close(14) = -1 EBADF (Bad file descriptor) [pid 22200] close(15) = -1 EBADF (Bad file descriptor) [pid 22200] close(16) = -1 EBADF (Bad file descriptor) [pid 22200] close(17) = -1 EBADF (Bad file descriptor) [pid 22200] close(18) = -1 EBADF (Bad file descriptor) [pid 22200] close(19) = -1 EBADF (Bad file descriptor) [pid 22200] close(20) = -1 EBADF (Bad file descriptor) [pid 22200] close(21) = -1 EBADF (Bad file descriptor) [pid 22200] close(22) = -1 EBADF (Bad file descriptor) [pid 22200] close(23) = -1 EBADF (Bad file descriptor) [pid 22200] close(24) = -1 EBADF (Bad file descriptor) [pid 22200] close(25) = -1 EBADF (Bad file descriptor) [pid 22200] close(26) = -1 EBADF (Bad file descriptor) [pid 22200] close(27) = -1 EBADF (Bad file descriptor) [pid 22200] close(28) = -1 EBADF (Bad file descriptor) [pid 22200] close(29) = -1 EBADF (Bad file descriptor) [pid 22200] exit_group(0) = ? [pid 22201] <... futex resumed>) = ? [pid 22201] +++ exited with 0 +++ [pid 22200] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7529", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7529", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7529/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7529/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7529/cgroup.cpu") = 0 [pid 287] umount2("./7529/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7529/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7529/binderfs") = 0 [pid 287] umount2("./7529/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7529/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7529/cgroup") = 0 [pid 287] umount2("./7529/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7529/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7529/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7529") = 0 [pid 287] mkdir("./7530", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22202 attached [pid 22202] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22202] chdir("./7530") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21792 [pid 22202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22202] setpgid(0, 0) = 0 [pid 22202] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22202] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22202] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22202] write(3, "1000", 4) = 4 [pid 22202] close(3) = 0 [pid 22202] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22202] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22202] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22202] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22202] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22203 attached [pid 22203] set_robust_list(0x7f3b956fb9a0, 24 [pid 22202] <... clone3 resumed> => {parent_tid=[21793]}, 88) = 21793 [pid 22203] <... set_robust_list resumed>) = 0 [pid 22202] rt_sigprocmask(SIG_SETMASK, [], [pid 22203] rt_sigprocmask(SIG_SETMASK, [], [pid 22202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22202] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22202] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22203] <... bpf resumed>) = 3 [pid 22203] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22202] <... futex resumed>) = 0 [pid 22203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22202] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22203] <... bpf resumed>) = 4 [pid 22202] <... futex resumed>) = 0 [pid 22203] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22202] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22203] <... futex resumed>) = 0 [pid 22202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22203] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22202] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22202] <... futex resumed>) = 0 [pid 22203] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22202] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22203] <... bpf resumed>) = 0 [pid 22202] <... futex resumed>) = 0 [pid 22203] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22203] <... futex resumed>) = 0 [pid 22202] <... mmap resumed>) = 0x7f3b956ba000 [pid 22203] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22202] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22202] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22204 attached => {parent_tid=[21794]}, 88) = 21794 [pid 22204] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22202] rt_sigprocmask(SIG_SETMASK, [], [pid 22204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22204] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22202] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22204] <... futex resumed>) = 0 [pid 22204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22202] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22204] <... bpf resumed>) = 5 [pid 22204] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22202] <... futex resumed>) = 0 [pid 22204] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22202] close(3) = 0 [pid 22202] close(4) = 0 [pid 22202] close(5) = 0 [pid 22202] close(6) = -1 EBADF (Bad file descriptor) [pid 22202] close(7) = -1 EBADF (Bad file descriptor) [pid 22202] close(8) = -1 EBADF (Bad file descriptor) [pid 22202] close(9) = -1 EBADF (Bad file descriptor) [pid 22202] close(10) = -1 EBADF (Bad file descriptor) [pid 22202] close(11) = -1 EBADF (Bad file descriptor) [pid 22202] close(12) = -1 EBADF (Bad file descriptor) [pid 22202] close(13) = -1 EBADF (Bad file descriptor) [pid 22202] close(14) = -1 EBADF (Bad file descriptor) [pid 22202] close(15) = -1 EBADF (Bad file descriptor) [pid 22202] close(16) = -1 EBADF (Bad file descriptor) [pid 22202] close(17) = -1 EBADF (Bad file descriptor) [pid 22202] close(18) = -1 EBADF (Bad file descriptor) [pid 22202] close(19) = -1 EBADF (Bad file descriptor) [pid 22202] close(20) = -1 EBADF (Bad file descriptor) [pid 22202] close(21) = -1 EBADF (Bad file descriptor) [pid 22202] close(22) = -1 EBADF (Bad file descriptor) [pid 22202] close(23) = -1 EBADF (Bad file descriptor) [pid 22202] close(24) = -1 EBADF (Bad file descriptor) [pid 22202] close(25) = -1 EBADF (Bad file descriptor) [pid 22202] close(26) = -1 EBADF (Bad file descriptor) [pid 22202] close(27) = -1 EBADF (Bad file descriptor) [pid 22202] close(28) = -1 EBADF (Bad file descriptor) [pid 22202] close(29) = -1 EBADF (Bad file descriptor) [pid 22202] exit_group(0) = ? [pid 22203] <... futex resumed>) = 231 [pid 22204] <... futex resumed>) = ? [pid 22203] +++ exited with 0 +++ [pid 22204] +++ exited with 0 +++ [pid 22202] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7530", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7530", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7530/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7530/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7530/cgroup.cpu") = 0 [pid 287] umount2("./7530/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7530/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7530/binderfs") = 0 [pid 287] umount2("./7530/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7530/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7530/cgroup") = 0 [pid 287] umount2("./7530/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7530/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7530/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7530") = 0 [pid 287] mkdir("./7531", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22205 attached [pid 22205] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22205] chdir("./7531" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21795 [pid 22205] <... chdir resumed>) = 0 [pid 22205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22205] setpgid(0, 0) = 0 [pid 22205] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22205] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22205] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22205] write(3, "1000", 4) = 4 [pid 22205] close(3) = 0 [pid 22205] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22205] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22205] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22205] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22205] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22206 attached [pid 22206] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22205] <... clone3 resumed> => {parent_tid=[21796]}, 88) = 21796 [pid 22206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22205] rt_sigprocmask(SIG_SETMASK, [], [pid 22206] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22205] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22206] <... futex resumed>) = 0 [pid 22205] <... futex resumed>) = 1 [pid 22206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22205] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22206] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22206] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22205] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22205] <... futex resumed>) = 0 [pid 22206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22205] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22206] <... bpf resumed>) = 4 [pid 22206] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22205] <... futex resumed>) = 0 [pid 22206] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22205] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22206] <... futex resumed>) = 0 [pid 22205] <... futex resumed>) = 1 [pid 22206] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22205] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22206] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22205] <... futex resumed>) = 0 [pid 22206] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22205] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22205] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22207 attached [pid 22207] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22207] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22205] <... clone3 resumed> => {parent_tid=[21797]}, 88) = 21797 [pid 22205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22205] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22207] <... futex resumed>) = 0 [pid 22205] <... futex resumed>) = 1 [pid 22207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22205] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22207] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22207] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22205] close(3) = 0 [pid 22205] close(4) = 0 [pid 22205] close(5) = 0 [pid 22205] close(6) = -1 EBADF (Bad file descriptor) [pid 22205] close(7) = -1 EBADF (Bad file descriptor) [pid 22205] close(8) = -1 EBADF (Bad file descriptor) [pid 22205] close(9) = -1 EBADF (Bad file descriptor) [pid 22205] close(10) = -1 EBADF (Bad file descriptor) [pid 22205] close(11) = -1 EBADF (Bad file descriptor) [pid 22205] close(12) = -1 EBADF (Bad file descriptor) [pid 22205] close(13) = -1 EBADF (Bad file descriptor) [pid 22205] close(14) = -1 EBADF (Bad file descriptor) [pid 22205] close(15) = -1 EBADF (Bad file descriptor) [pid 22205] close(16) = -1 EBADF (Bad file descriptor) [pid 22205] close(17) = -1 EBADF (Bad file descriptor) [pid 22205] close(18) = -1 EBADF (Bad file descriptor) [pid 22205] close(19) = -1 EBADF (Bad file descriptor) [pid 22205] close(20) = -1 EBADF (Bad file descriptor) [pid 22205] close(21) = -1 EBADF (Bad file descriptor) [pid 22205] close(22) = -1 EBADF (Bad file descriptor) [pid 22205] close(23) = -1 EBADF (Bad file descriptor) [pid 22205] close(24) = -1 EBADF (Bad file descriptor) [pid 22205] close(25) = -1 EBADF (Bad file descriptor) [pid 22205] close(26) = -1 EBADF (Bad file descriptor) [pid 22205] close(27) = -1 EBADF (Bad file descriptor) [pid 22205] close(28) = -1 EBADF (Bad file descriptor) [pid 22205] close(29) = -1 EBADF (Bad file descriptor) [pid 22205] exit_group(0 [pid 22207] <... futex resumed>) = ? [pid 22206] <... futex resumed>) = ? [pid 22205] <... exit_group resumed>) = ? [pid 22207] +++ exited with 0 +++ [pid 22206] +++ exited with 0 +++ [pid 22205] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7531", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7531", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7531/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7531/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7531/cgroup.cpu") = 0 [pid 287] umount2("./7531/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7531/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7531/binderfs") = 0 [pid 287] umount2("./7531/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7531/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7531/cgroup") = 0 [pid 287] umount2("./7531/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7531/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7531/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7531") = 0 [pid 287] mkdir("./7532", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22208 attached [pid 22208] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22208] chdir("./7532") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21798 [pid 22208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22208] setpgid(0, 0) = 0 [pid 22208] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22208] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22208] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22208] write(3, "1000", 4) = 4 [pid 22208] close(3) = 0 [pid 22208] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22208] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22208] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22208] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22208] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22209 attached [pid 22209] set_robust_list(0x7f3b956fb9a0, 24 [pid 22208] <... clone3 resumed> => {parent_tid=[21799]}, 88) = 21799 [pid 22209] <... set_robust_list resumed>) = 0 [pid 22208] rt_sigprocmask(SIG_SETMASK, [], [pid 22209] rt_sigprocmask(SIG_SETMASK, [], [pid 22208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22208] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22209] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22208] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22209] <... bpf resumed>) = 3 [pid 22209] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22208] <... futex resumed>) = 0 [pid 22209] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22208] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22209] <... bpf resumed>) = 4 [pid 22208] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22209] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22209] <... futex resumed>) = 0 [pid 22208] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22209] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22208] <... futex resumed>) = 0 [pid 22208] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22209] <... bpf resumed>) = 0 [pid 22208] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22209] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22208] <... mprotect resumed>) = 0 [pid 22209] <... futex resumed>) = 0 [pid 22208] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22209] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22208] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22210 attached [pid 22210] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22208] <... clone3 resumed> => {parent_tid=[21800]}, 88) = 21800 [pid 22210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22208] rt_sigprocmask(SIG_SETMASK, [], [pid 22210] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22208] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22210] <... futex resumed>) = 0 [pid 22208] <... futex resumed>) = 1 [pid 22210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22208] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22210] <... bpf resumed>) = 5 [pid 22210] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22208] <... futex resumed>) = 0 [pid 22210] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22208] close(3) = 0 [pid 22208] close(4) = 0 [pid 22208] close(5) = 0 [pid 22208] close(6) = -1 EBADF (Bad file descriptor) [pid 22208] close(7) = -1 EBADF (Bad file descriptor) [pid 22208] close(8) = -1 EBADF (Bad file descriptor) [pid 22208] close(9) = -1 EBADF (Bad file descriptor) [pid 22208] close(10) = -1 EBADF (Bad file descriptor) [pid 22208] close(11) = -1 EBADF (Bad file descriptor) [pid 22208] close(12) = -1 EBADF (Bad file descriptor) [pid 22208] close(13) = -1 EBADF (Bad file descriptor) [pid 22208] close(14) = -1 EBADF (Bad file descriptor) [pid 22208] close(15) = -1 EBADF (Bad file descriptor) [pid 22208] close(16) = -1 EBADF (Bad file descriptor) [pid 22208] close(17) = -1 EBADF (Bad file descriptor) [pid 22208] close(18) = -1 EBADF (Bad file descriptor) [pid 22208] close(19) = -1 EBADF (Bad file descriptor) [pid 22208] close(20) = -1 EBADF (Bad file descriptor) [pid 22208] close(21) = -1 EBADF (Bad file descriptor) [pid 22208] close(22) = -1 EBADF (Bad file descriptor) [pid 22208] close(23) = -1 EBADF (Bad file descriptor) [pid 22208] close(24) = -1 EBADF (Bad file descriptor) [pid 22208] close(25) = -1 EBADF (Bad file descriptor) [pid 22208] close(26) = -1 EBADF (Bad file descriptor) [pid 22208] close(27) = -1 EBADF (Bad file descriptor) [pid 22208] close(28) = -1 EBADF (Bad file descriptor) [pid 22208] close(29) = -1 EBADF (Bad file descriptor) [pid 22208] exit_group(0 [pid 22210] <... futex resumed>) = ? [pid 22209] <... futex resumed>) = ? [pid 22208] <... exit_group resumed>) = ? [pid 22210] +++ exited with 0 +++ [pid 22209] +++ exited with 0 +++ [pid 22208] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7532", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7532", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7532/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7532/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7532/cgroup.cpu") = 0 [pid 287] umount2("./7532/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7532/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7532/binderfs") = 0 [pid 287] umount2("./7532/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7532/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7532/cgroup") = 0 [pid 287] umount2("./7532/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7532/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7532/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7532") = 0 [pid 287] mkdir("./7533", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21801 ./strace-static-x86_64: Process 22211 attached [pid 22211] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22211] chdir("./7533") = 0 [pid 22211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22211] setpgid(0, 0) = 0 [pid 22211] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22211] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22211] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22211] write(3, "1000", 4) = 4 [pid 22211] close(3) = 0 [pid 22211] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22211] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22211] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22211] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22211] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22212 attached [pid 22212] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22211] <... clone3 resumed> => {parent_tid=[21802]}, 88) = 21802 [pid 22212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22211] rt_sigprocmask(SIG_SETMASK, [], [pid 22212] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22211] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22212] <... futex resumed>) = 0 [pid 22211] <... futex resumed>) = 1 [pid 22212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22211] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22212] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22212] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22211] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22212] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22211] <... futex resumed>) = 0 [pid 22212] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22212] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22211] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22211] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22212] <... futex resumed>) = 0 [pid 22211] <... futex resumed>) = 1 [pid 22212] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22211] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22212] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22211] <... futex resumed>) = 0 [pid 22212] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22211] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22211] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22213 attached [pid 22213] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22213] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22211] <... clone3 resumed> => {parent_tid=[21803]}, 88) = 21803 [pid 22211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22211] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22213] <... futex resumed>) = 0 [pid 22211] <... futex resumed>) = 1 [pid 22211] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22213] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22211] <... futex resumed>) = 0 [pid 22213] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22211] close(3) = 0 [pid 22211] close(4) = 0 [pid 22211] close(5) = 0 [pid 22211] close(6) = -1 EBADF (Bad file descriptor) [pid 22211] close(7) = -1 EBADF (Bad file descriptor) [pid 22211] close(8) = -1 EBADF (Bad file descriptor) [pid 22211] close(9) = -1 EBADF (Bad file descriptor) [pid 22211] close(10) = -1 EBADF (Bad file descriptor) [pid 22211] close(11) = -1 EBADF (Bad file descriptor) [pid 22211] close(12) = -1 EBADF (Bad file descriptor) [pid 22211] close(13) = -1 EBADF (Bad file descriptor) [pid 22211] close(14) = -1 EBADF (Bad file descriptor) [pid 22211] close(15) = -1 EBADF (Bad file descriptor) [pid 22211] close(16) = -1 EBADF (Bad file descriptor) [pid 22211] close(17) = -1 EBADF (Bad file descriptor) [pid 22211] close(18) = -1 EBADF (Bad file descriptor) [pid 22211] close(19) = -1 EBADF (Bad file descriptor) [pid 22211] close(20) = -1 EBADF (Bad file descriptor) [pid 22211] close(21) = -1 EBADF (Bad file descriptor) [pid 22211] close(22) = -1 EBADF (Bad file descriptor) [pid 22211] close(23) = -1 EBADF (Bad file descriptor) [pid 22211] close(24) = -1 EBADF (Bad file descriptor) [pid 22211] close(25) = -1 EBADF (Bad file descriptor) [pid 22211] close(26) = -1 EBADF (Bad file descriptor) [pid 22211] close(27) = -1 EBADF (Bad file descriptor) [pid 22211] close(28) = -1 EBADF (Bad file descriptor) [pid 22211] close(29) = -1 EBADF (Bad file descriptor) [pid 22211] exit_group(0) = ? [pid 22212] <... futex resumed>) = ? [pid 22213] <... futex resumed>) = ? [pid 22213] +++ exited with 0 +++ [pid 22212] +++ exited with 0 +++ [pid 22211] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7533", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7533", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7533/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7533/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7533/cgroup.cpu") = 0 [pid 287] umount2("./7533/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7533/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7533/binderfs") = 0 [pid 287] umount2("./7533/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7533/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7533/cgroup") = 0 [pid 287] umount2("./7533/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7533/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7533/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7533") = 0 [pid 287] mkdir("./7534", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22214 attached [pid 22214] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22214] chdir("./7534" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21804 [pid 22214] <... chdir resumed>) = 0 [pid 22214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22214] setpgid(0, 0) = 0 [pid 22214] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22214] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22214] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22214] write(3, "1000", 4) = 4 [pid 22214] close(3) = 0 [pid 22214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22214] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22214] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22214] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22215 attached [pid 22215] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22215] rt_sigprocmask(SIG_SETMASK, [], [pid 22214] <... clone3 resumed> => {parent_tid=[21805]}, 88) = 21805 [pid 22215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22215] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22214] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22215] <... futex resumed>) = 0 [pid 22214] <... futex resumed>) = 1 [pid 22215] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22214] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22215] <... bpf resumed>) = 3 [pid 22215] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22215] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22214] <... futex resumed>) = 0 [pid 22214] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22215] <... futex resumed>) = 0 [pid 22214] <... futex resumed>) = 1 [pid 22215] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22214] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22215] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22215] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22214] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22214] <... futex resumed>) = 0 [pid 22215] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22214] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22215] <... bpf resumed>) = 0 [pid 22215] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22215] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22214] <... futex resumed>) = 0 [pid 22214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22214] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22216 attached [pid 22216] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22216] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22214] <... clone3 resumed> => {parent_tid=[21806]}, 88) = 21806 [pid 22214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22214] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22216] <... futex resumed>) = 0 [pid 22214] <... futex resumed>) = 1 [pid 22216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22214] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22216] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22216] <... futex resumed>) = 0 [pid 22214] close(3 [pid 22216] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22214] <... close resumed>) = 0 [pid 22214] close(4) = 0 [pid 22214] close(5) = 0 [pid 22214] close(6) = -1 EBADF (Bad file descriptor) [pid 22214] close(7) = -1 EBADF (Bad file descriptor) [pid 22214] close(8) = -1 EBADF (Bad file descriptor) [pid 22214] close(9) = -1 EBADF (Bad file descriptor) [pid 22214] close(10) = -1 EBADF (Bad file descriptor) [pid 22214] close(11) = -1 EBADF (Bad file descriptor) [pid 22214] close(12) = -1 EBADF (Bad file descriptor) [pid 22214] close(13) = -1 EBADF (Bad file descriptor) [pid 22214] close(14) = -1 EBADF (Bad file descriptor) [pid 22214] close(15) = -1 EBADF (Bad file descriptor) [pid 22214] close(16) = -1 EBADF (Bad file descriptor) [pid 22214] close(17) = -1 EBADF (Bad file descriptor) [pid 22214] close(18) = -1 EBADF (Bad file descriptor) [pid 22214] close(19) = -1 EBADF (Bad file descriptor) [pid 22214] close(20) = -1 EBADF (Bad file descriptor) [pid 22214] close(21) = -1 EBADF (Bad file descriptor) [pid 22214] close(22) = -1 EBADF (Bad file descriptor) [pid 22214] close(23) = -1 EBADF (Bad file descriptor) [pid 22214] close(24) = -1 EBADF (Bad file descriptor) [pid 22214] close(25) = -1 EBADF (Bad file descriptor) [pid 22214] close(26) = -1 EBADF (Bad file descriptor) [pid 22214] close(27) = -1 EBADF (Bad file descriptor) [pid 22214] close(28) = -1 EBADF (Bad file descriptor) [pid 22214] close(29) = -1 EBADF (Bad file descriptor) [pid 22214] exit_group(0 [pid 22216] <... futex resumed>) = ? [pid 22215] <... futex resumed>) = ? [pid 22214] <... exit_group resumed>) = ? [pid 22216] +++ exited with 0 +++ [pid 22215] +++ exited with 0 +++ [pid 22214] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7534", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7534", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7534/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7534/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7534/cgroup.cpu") = 0 [pid 287] umount2("./7534/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7534/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7534/binderfs") = 0 [pid 287] umount2("./7534/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7534/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7534/cgroup") = 0 [pid 287] umount2("./7534/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7534/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7534/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7534") = 0 [pid 287] mkdir("./7535", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22217 attached [pid 22217] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22217] chdir("./7535") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21807 [pid 22217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22217] setpgid(0, 0) = 0 [pid 22217] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22217] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22217] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22217] write(3, "1000", 4) = 4 [pid 22217] close(3) = 0 [pid 22217] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22217] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22217] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22217] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22218 attached [pid 22218] set_robust_list(0x7f3b956fb9a0, 24 [pid 22217] <... clone3 resumed> => {parent_tid=[21808]}, 88) = 21808 [pid 22218] <... set_robust_list resumed>) = 0 [pid 22217] rt_sigprocmask(SIG_SETMASK, [], [pid 22218] rt_sigprocmask(SIG_SETMASK, [], [pid 22217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22217] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22217] <... futex resumed>) = 0 [pid 22218] <... bpf resumed>) = 3 [pid 22217] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22218] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22218] <... futex resumed>) = 0 [pid 22217] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22218] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22217] <... futex resumed>) = 0 [pid 22218] <... bpf resumed>) = 4 [pid 22217] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22218] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22218] <... futex resumed>) = 0 [pid 22217] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22218] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22217] <... futex resumed>) = 0 [pid 22218] <... bpf resumed>) = 0 [pid 22217] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22218] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22217] <... futex resumed>) = 0 [pid 22218] <... futex resumed>) = 0 [pid 22217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22218] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22217] <... mmap resumed>) = 0x7f3b956ba000 [pid 22217] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[21809]}, 88) = 21809 ./strace-static-x86_64: Process 22219 attached [pid 22217] rt_sigprocmask(SIG_SETMASK, [], [pid 22219] set_robust_list(0x7f3b956da9a0, 24 [pid 22217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22219] <... set_robust_list resumed>) = 0 [pid 22217] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22219] rt_sigprocmask(SIG_SETMASK, [], [pid 22217] <... futex resumed>) = 0 [pid 22219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22217] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22219] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22217] <... futex resumed>) = 0 [pid 22219] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22217] close(3) = 0 [pid 22217] close(4) = 0 [pid 22217] close(5) = 0 [pid 22217] close(6) = -1 EBADF (Bad file descriptor) [pid 22217] close(7) = -1 EBADF (Bad file descriptor) [pid 22217] close(8) = -1 EBADF (Bad file descriptor) [pid 22217] close(9) = -1 EBADF (Bad file descriptor) [pid 22217] close(10) = -1 EBADF (Bad file descriptor) [pid 22217] close(11) = -1 EBADF (Bad file descriptor) [pid 22217] close(12) = -1 EBADF (Bad file descriptor) [pid 22217] close(13) = -1 EBADF (Bad file descriptor) [pid 22217] close(14) = -1 EBADF (Bad file descriptor) [pid 22217] close(15) = -1 EBADF (Bad file descriptor) [pid 22217] close(16) = -1 EBADF (Bad file descriptor) [pid 22217] close(17) = -1 EBADF (Bad file descriptor) [pid 22217] close(18) = -1 EBADF (Bad file descriptor) [pid 22217] close(19) = -1 EBADF (Bad file descriptor) [pid 22217] close(20) = -1 EBADF (Bad file descriptor) [pid 22217] close(21) = -1 EBADF (Bad file descriptor) [pid 22217] close(22) = -1 EBADF (Bad file descriptor) [pid 22217] close(23) = -1 EBADF (Bad file descriptor) [pid 22217] close(24) = -1 EBADF (Bad file descriptor) [pid 22217] close(25) = -1 EBADF (Bad file descriptor) [pid 22217] close(26) = -1 EBADF (Bad file descriptor) [pid 22217] close(27) = -1 EBADF (Bad file descriptor) [pid 22217] close(28) = -1 EBADF (Bad file descriptor) [pid 22217] close(29) = -1 EBADF (Bad file descriptor) [pid 22217] exit_group(0 [pid 22219] <... futex resumed>) = ? [pid 22218] <... futex resumed>) = ? [pid 22217] <... exit_group resumed>) = ? [pid 22219] +++ exited with 0 +++ [pid 22218] +++ exited with 0 +++ [pid 22217] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7535", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7535", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7535/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7535/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7535/cgroup.cpu") = 0 [pid 287] umount2("./7535/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7535/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7535/binderfs") = 0 [pid 287] umount2("./7535/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7535/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7535/cgroup") = 0 [pid 287] umount2("./7535/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7535/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7535/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7535") = 0 [pid 287] mkdir("./7536", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22220 attached [pid 22220] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22220] chdir("./7536") = 0 [pid 22220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22220] setpgid(0, 0) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21810 [pid 22220] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22220] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22220] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22220] write(3, "1000", 4) = 4 [pid 22220] close(3) = 0 [pid 22220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22220] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22220] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22220] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22221 attached [pid 22221] set_robust_list(0x7f3b956fb9a0, 24 [pid 22220] <... clone3 resumed> => {parent_tid=[21811]}, 88) = 21811 [pid 22221] <... set_robust_list resumed>) = 0 [pid 22220] rt_sigprocmask(SIG_SETMASK, [], [pid 22221] rt_sigprocmask(SIG_SETMASK, [], [pid 22220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22220] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22220] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22221] <... bpf resumed>) = 3 [pid 22221] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22220] <... futex resumed>) = 0 [pid 22221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22220] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22220] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22221] <... bpf resumed>) = 4 [pid 22221] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22220] <... futex resumed>) = 0 [pid 22221] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22220] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22220] <... futex resumed>) = 0 [pid 22221] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22220] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22221] <... bpf resumed>) = 0 [pid 22220] <... mmap resumed>) = 0x7f3b956ba000 [pid 22221] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22220] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22221] <... futex resumed>) = 0 [pid 22220] <... mprotect resumed>) = 0 [pid 22221] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22222 attached [pid 22222] set_robust_list(0x7f3b956da9a0, 24 [pid 22220] <... clone3 resumed> => {parent_tid=[21812]}, 88) = 21812 [pid 22222] <... set_robust_list resumed>) = 0 [pid 22222] rt_sigprocmask(SIG_SETMASK, [], [pid 22220] rt_sigprocmask(SIG_SETMASK, [], [pid 22222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22222] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22220] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22222] <... futex resumed>) = 0 [pid 22220] <... futex resumed>) = 1 [pid 22222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22220] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22222] <... bpf resumed>) = 5 [pid 22222] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22220] <... futex resumed>) = 0 [pid 22222] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22220] close(3) = 0 [pid 22220] close(4) = 0 [pid 22220] close(5) = 0 [pid 22220] close(6) = -1 EBADF (Bad file descriptor) [pid 22220] close(7) = -1 EBADF (Bad file descriptor) [pid 22220] close(8) = -1 EBADF (Bad file descriptor) [pid 22220] close(9) = -1 EBADF (Bad file descriptor) [pid 22220] close(10) = -1 EBADF (Bad file descriptor) [pid 22220] close(11) = -1 EBADF (Bad file descriptor) [pid 22220] close(12) = -1 EBADF (Bad file descriptor) [pid 22220] close(13) = -1 EBADF (Bad file descriptor) [pid 22220] close(14) = -1 EBADF (Bad file descriptor) [pid 22220] close(15) = -1 EBADF (Bad file descriptor) [pid 22220] close(16) = -1 EBADF (Bad file descriptor) [pid 22220] close(17) = -1 EBADF (Bad file descriptor) [pid 22220] close(18) = -1 EBADF (Bad file descriptor) [pid 22220] close(19) = -1 EBADF (Bad file descriptor) [pid 22220] close(20) = -1 EBADF (Bad file descriptor) [pid 22220] close(21) = -1 EBADF (Bad file descriptor) [pid 22220] close(22) = -1 EBADF (Bad file descriptor) [pid 22220] close(23) = -1 EBADF (Bad file descriptor) [pid 22220] close(24) = -1 EBADF (Bad file descriptor) [pid 22220] close(25) = -1 EBADF (Bad file descriptor) [pid 22220] close(26) = -1 EBADF (Bad file descriptor) [pid 22220] close(27) = -1 EBADF (Bad file descriptor) [pid 22220] close(28) = -1 EBADF (Bad file descriptor) [pid 22220] close(29) = -1 EBADF (Bad file descriptor) [pid 22220] exit_group(0 [pid 22222] <... futex resumed>) = ? [pid 22221] <... futex resumed>) = ? [pid 22220] <... exit_group resumed>) = ? [pid 22222] +++ exited with 0 +++ [pid 22221] +++ exited with 0 +++ [pid 22220] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7536", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7536", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7536/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7536/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7536/cgroup.cpu") = 0 [pid 287] umount2("./7536/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7536/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7536/binderfs") = 0 [pid 287] umount2("./7536/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7536/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7536/cgroup") = 0 [pid 287] umount2("./7536/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7536/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7536/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7536") = 0 [pid 287] mkdir("./7537", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22223 attached [pid 22223] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22223] chdir("./7537") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21813 [pid 22223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22223] setpgid(0, 0) = 0 [pid 22223] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22223] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22223] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22223] write(3, "1000", 4) = 4 [pid 22223] close(3) = 0 [pid 22223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22223] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22223] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22223] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22224 attached [pid 22224] set_robust_list(0x7f3b956fb9a0, 24 [pid 22223] <... clone3 resumed> => {parent_tid=[21814]}, 88) = 21814 [pid 22224] <... set_robust_list resumed>) = 0 [pid 22223] rt_sigprocmask(SIG_SETMASK, [], [pid 22224] rt_sigprocmask(SIG_SETMASK, [], [pid 22223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22223] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22224] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22223] <... futex resumed>) = 0 [pid 22224] <... bpf resumed>) = 3 [pid 22223] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22224] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22224] <... futex resumed>) = 0 [pid 22223] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22224] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22223] <... futex resumed>) = 0 [pid 22224] <... bpf resumed>) = 4 [pid 22223] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22224] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22224] <... futex resumed>) = 0 [pid 22223] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22224] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22223] <... futex resumed>) = 0 [pid 22224] <... bpf resumed>) = 0 [pid 22223] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22224] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22223] <... futex resumed>) = 0 [pid 22224] <... futex resumed>) = 0 [pid 22223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22224] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22223] <... mmap resumed>) = 0x7f3b956ba000 [pid 22223] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22225 attached [pid 22225] set_robust_list(0x7f3b956da9a0, 24 [pid 22223] <... clone3 resumed> => {parent_tid=[21815]}, 88) = 21815 [pid 22225] <... set_robust_list resumed>) = 0 [pid 22223] rt_sigprocmask(SIG_SETMASK, [], [pid 22225] rt_sigprocmask(SIG_SETMASK, [], [pid 22223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22223] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22223] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22225] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22223] <... futex resumed>) = 0 [pid 22225] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22223] close(3) = 0 [pid 22223] close(4) = 0 [pid 22223] close(5) = 0 [pid 22223] close(6) = -1 EBADF (Bad file descriptor) [pid 22223] close(7) = -1 EBADF (Bad file descriptor) [pid 22223] close(8) = -1 EBADF (Bad file descriptor) [pid 22223] close(9) = -1 EBADF (Bad file descriptor) [pid 22223] close(10) = -1 EBADF (Bad file descriptor) [pid 22223] close(11) = -1 EBADF (Bad file descriptor) [pid 22223] close(12) = -1 EBADF (Bad file descriptor) [pid 22223] close(13) = -1 EBADF (Bad file descriptor) [pid 22223] close(14) = -1 EBADF (Bad file descriptor) [pid 22223] close(15) = -1 EBADF (Bad file descriptor) [pid 22223] close(16) = -1 EBADF (Bad file descriptor) [pid 22223] close(17) = -1 EBADF (Bad file descriptor) [pid 22223] close(18) = -1 EBADF (Bad file descriptor) [pid 22223] close(19) = -1 EBADF (Bad file descriptor) [pid 22223] close(20) = -1 EBADF (Bad file descriptor) [pid 22223] close(21) = -1 EBADF (Bad file descriptor) [pid 22223] close(22) = -1 EBADF (Bad file descriptor) [pid 22223] close(23) = -1 EBADF (Bad file descriptor) [pid 22223] close(24) = -1 EBADF (Bad file descriptor) [pid 22223] close(25) = -1 EBADF (Bad file descriptor) [pid 22223] close(26) = -1 EBADF (Bad file descriptor) [pid 22223] close(27) = -1 EBADF (Bad file descriptor) [pid 22223] close(28) = -1 EBADF (Bad file descriptor) [pid 22223] close(29) = -1 EBADF (Bad file descriptor) [pid 22223] exit_group(0 [pid 22225] <... futex resumed>) = ? [pid 22224] <... futex resumed>) = ? [pid 22223] <... exit_group resumed>) = ? [pid 22225] +++ exited with 0 +++ [pid 22224] +++ exited with 0 +++ [pid 22223] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7537", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7537", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7537/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7537/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7537/cgroup.cpu") = 0 [pid 287] umount2("./7537/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7537/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7537/binderfs") = 0 [pid 287] umount2("./7537/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7537/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7537/cgroup") = 0 [pid 287] umount2("./7537/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7537/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7537/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7537") = 0 [pid 287] mkdir("./7538", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22226 attached [pid 22226] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22226] chdir("./7538" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21816 [pid 22226] <... chdir resumed>) = 0 [pid 22226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22226] setpgid(0, 0) = 0 [pid 22226] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22226] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22226] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22226] write(3, "1000", 4) = 4 [pid 22226] close(3) = 0 [pid 22226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22226] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22226] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22226] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22227 attached [pid 22227] set_robust_list(0x7f3b956fb9a0, 24 [pid 22226] <... clone3 resumed> => {parent_tid=[21817]}, 88) = 21817 [pid 22227] <... set_robust_list resumed>) = 0 [pid 22226] rt_sigprocmask(SIG_SETMASK, [], [pid 22227] rt_sigprocmask(SIG_SETMASK, [], [pid 22226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22226] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22227] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22226] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22227] <... bpf resumed>) = 3 [pid 22227] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22226] <... futex resumed>) = 0 [pid 22227] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22226] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22226] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22227] <... bpf resumed>) = 4 [pid 22227] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22226] <... futex resumed>) = 0 [pid 22226] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22226] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22226] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22228 attached [pid 22228] set_robust_list(0x7f3b956da9a0, 24 [pid 22226] <... clone3 resumed> => {parent_tid=[21818]}, 88) = 21818 [pid 22228] <... set_robust_list resumed>) = 0 [pid 22226] rt_sigprocmask(SIG_SETMASK, [], [pid 22228] rt_sigprocmask(SIG_SETMASK, [], [pid 22227] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22226] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22226] <... futex resumed>) = 0 [pid 22228] <... bpf resumed>) = 5 [pid 22227] <... bpf resumed>) = 0 [pid 22226] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22228] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22228] <... futex resumed>) = 0 [pid 22228] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22227] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22227] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22226] close(3) = 0 [pid 22226] close(4) = 0 [pid 22226] close(5) = 0 [pid 22226] close(6) = -1 EBADF (Bad file descriptor) [pid 22226] close(7) = -1 EBADF (Bad file descriptor) [pid 22226] close(8) = -1 EBADF (Bad file descriptor) [pid 22226] close(9) = -1 EBADF (Bad file descriptor) [pid 22226] close(10) = -1 EBADF (Bad file descriptor) [pid 22226] close(11) = -1 EBADF (Bad file descriptor) [pid 22226] close(12) = -1 EBADF (Bad file descriptor) [pid 22226] close(13) = -1 EBADF (Bad file descriptor) [pid 22226] close(14) = -1 EBADF (Bad file descriptor) [pid 22226] close(15) = -1 EBADF (Bad file descriptor) [pid 22226] close(16) = -1 EBADF (Bad file descriptor) [pid 22226] close(17) = -1 EBADF (Bad file descriptor) [pid 22226] close(18) = -1 EBADF (Bad file descriptor) [pid 22226] close(19) = -1 EBADF (Bad file descriptor) [pid 22226] close(20) = -1 EBADF (Bad file descriptor) [pid 22226] close(21) = -1 EBADF (Bad file descriptor) [pid 22226] close(22) = -1 EBADF (Bad file descriptor) [pid 22226] close(23) = -1 EBADF (Bad file descriptor) [pid 22226] close(24) = -1 EBADF (Bad file descriptor) [pid 22226] close(25) = -1 EBADF (Bad file descriptor) [pid 22226] close(26) = -1 EBADF (Bad file descriptor) [pid 22226] close(27) = -1 EBADF (Bad file descriptor) [pid 22226] close(28) = -1 EBADF (Bad file descriptor) [pid 22226] close(29) = -1 EBADF (Bad file descriptor) [pid 22226] exit_group(0 [pid 22228] <... futex resumed>) = ? [pid 22227] <... futex resumed>) = ? [pid 22226] <... exit_group resumed>) = ? [pid 22228] +++ exited with 0 +++ [pid 22227] +++ exited with 0 +++ [pid 22226] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7538", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7538", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7538/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7538/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7538/cgroup.cpu") = 0 [pid 287] umount2("./7538/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7538/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7538/binderfs") = 0 [pid 287] umount2("./7538/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7538/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7538/cgroup") = 0 [pid 287] umount2("./7538/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7538/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7538/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7538") = 0 [pid 287] mkdir("./7539", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21819 ./strace-static-x86_64: Process 22229 attached [pid 22229] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22229] chdir("./7539") = 0 [pid 22229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22229] setpgid(0, 0) = 0 [pid 22229] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22229] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22229] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22229] write(3, "1000", 4) = 4 [pid 22229] close(3) = 0 [pid 22229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22229] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22229] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22229] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22230 attached [pid 22230] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22229] <... clone3 resumed> => {parent_tid=[21820]}, 88) = 21820 [pid 22230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22229] rt_sigprocmask(SIG_SETMASK, [], [pid 22230] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22229] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22230] <... futex resumed>) = 0 [pid 22230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22229] <... futex resumed>) = 1 [pid 22230] <... bpf resumed>) = 3 [pid 22229] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22230] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22230] <... futex resumed>) = 0 [pid 22229] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22230] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22229] <... futex resumed>) = 0 [pid 22230] <... bpf resumed>) = 4 [pid 22229] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22230] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22230] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22229] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22230] <... futex resumed>) = 0 [pid 22229] <... futex resumed>) = 1 [pid 22230] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22229] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22230] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22229] <... futex resumed>) = 0 [pid 22230] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22229] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22231 attached [pid 22231] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22231] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22229] <... clone3 resumed> => {parent_tid=[21821]}, 88) = 21821 [pid 22229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22229] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22231] <... futex resumed>) = 0 [pid 22229] <... futex resumed>) = 1 [pid 22231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22229] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22231] <... bpf resumed>) = 5 [pid 22231] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22229] <... futex resumed>) = 0 [pid 22229] close(3) = 0 [pid 22229] close(4 [pid 22231] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22229] <... close resumed>) = 0 [pid 22229] close(5) = 0 [pid 22229] close(6) = -1 EBADF (Bad file descriptor) [pid 22229] close(7) = -1 EBADF (Bad file descriptor) [pid 22229] close(8) = -1 EBADF (Bad file descriptor) [pid 22229] close(9) = -1 EBADF (Bad file descriptor) [pid 22229] close(10) = -1 EBADF (Bad file descriptor) [pid 22229] close(11) = -1 EBADF (Bad file descriptor) [pid 22229] close(12) = -1 EBADF (Bad file descriptor) [pid 22229] close(13) = -1 EBADF (Bad file descriptor) [pid 22229] close(14) = -1 EBADF (Bad file descriptor) [pid 22229] close(15) = -1 EBADF (Bad file descriptor) [pid 22229] close(16) = -1 EBADF (Bad file descriptor) [pid 22229] close(17) = -1 EBADF (Bad file descriptor) [pid 22229] close(18) = -1 EBADF (Bad file descriptor) [pid 22229] close(19) = -1 EBADF (Bad file descriptor) [pid 22229] close(20) = -1 EBADF (Bad file descriptor) [pid 22229] close(21) = -1 EBADF (Bad file descriptor) [pid 22229] close(22) = -1 EBADF (Bad file descriptor) [pid 22229] close(23) = -1 EBADF (Bad file descriptor) [pid 22229] close(24) = -1 EBADF (Bad file descriptor) [pid 22229] close(25) = -1 EBADF (Bad file descriptor) [pid 22229] close(26) = -1 EBADF (Bad file descriptor) [pid 22229] close(27) = -1 EBADF (Bad file descriptor) [pid 22229] close(28) = -1 EBADF (Bad file descriptor) [pid 22229] close(29) = -1 EBADF (Bad file descriptor) [pid 22229] exit_group(0 [pid 22231] <... futex resumed>) = ? [pid 22230] <... futex resumed>) = ? [pid 22229] <... exit_group resumed>) = ? [pid 22231] +++ exited with 0 +++ [pid 22230] +++ exited with 0 +++ [pid 22229] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7539", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7539", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7539/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7539/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7539/cgroup.cpu") = 0 [pid 287] umount2("./7539/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7539/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7539/binderfs") = 0 [pid 287] umount2("./7539/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7539/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7539/cgroup") = 0 [pid 287] umount2("./7539/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7539/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7539/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7539") = 0 [pid 287] mkdir("./7540", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22232 attached [pid 22232] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21822 [pid 22232] chdir("./7540") = 0 [pid 22232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22232] setpgid(0, 0) = 0 [pid 22232] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22232] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22232] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22232] write(3, "1000", 4) = 4 [pid 22232] close(3) = 0 [pid 22232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22232] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22232] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22232] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22233 attached => {parent_tid=[21823]}, 88) = 21823 [pid 22233] set_robust_list(0x7f3b956fb9a0, 24 [pid 22232] rt_sigprocmask(SIG_SETMASK, [], [pid 22233] <... set_robust_list resumed>) = 0 [pid 22232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22233] rt_sigprocmask(SIG_SETMASK, [], [pid 22232] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22232] <... futex resumed>) = 0 [pid 22232] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22233] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22232] <... futex resumed>) = 0 [pid 22233] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22232] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22232] <... futex resumed>) = 0 [pid 22233] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22232] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22233] <... bpf resumed>) = 4 [pid 22233] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22232] <... futex resumed>) = 0 [pid 22233] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22232] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22232] <... futex resumed>) = 0 [pid 22233] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22232] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22233] <... bpf resumed>) = 0 [pid 22232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22233] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22232] <... mmap resumed>) = 0x7f3b956ba000 [pid 22233] <... futex resumed>) = 0 [pid 22232] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22233] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22232] <... mprotect resumed>) = 0 [pid 22232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22234 attached [pid 22234] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22232] <... clone3 resumed> => {parent_tid=[21824]}, 88) = 21824 [pid 22234] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22232] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22234] <... futex resumed>) = 0 [pid 22232] <... futex resumed>) = 1 [pid 22234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22232] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22234] <... bpf resumed>) = 5 [pid 22234] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22232] <... futex resumed>) = 0 [pid 22234] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22232] close(3) = 0 [pid 22232] close(4) = 0 [pid 22232] close(5) = 0 [pid 22232] close(6) = -1 EBADF (Bad file descriptor) [pid 22232] close(7) = -1 EBADF (Bad file descriptor) [pid 22232] close(8) = -1 EBADF (Bad file descriptor) [pid 22232] close(9) = -1 EBADF (Bad file descriptor) [pid 22232] close(10) = -1 EBADF (Bad file descriptor) [pid 22232] close(11) = -1 EBADF (Bad file descriptor) [pid 22232] close(12) = -1 EBADF (Bad file descriptor) [pid 22232] close(13) = -1 EBADF (Bad file descriptor) [pid 22232] close(14) = -1 EBADF (Bad file descriptor) [pid 22232] close(15) = -1 EBADF (Bad file descriptor) [pid 22232] close(16) = -1 EBADF (Bad file descriptor) [pid 22232] close(17) = -1 EBADF (Bad file descriptor) [pid 22232] close(18) = -1 EBADF (Bad file descriptor) [pid 22232] close(19) = -1 EBADF (Bad file descriptor) [pid 22232] close(20) = -1 EBADF (Bad file descriptor) [pid 22232] close(21) = -1 EBADF (Bad file descriptor) [pid 22232] close(22) = -1 EBADF (Bad file descriptor) [pid 22232] close(23) = -1 EBADF (Bad file descriptor) [pid 22232] close(24) = -1 EBADF (Bad file descriptor) [pid 22232] close(25) = -1 EBADF (Bad file descriptor) [pid 22232] close(26) = -1 EBADF (Bad file descriptor) [pid 22232] close(27) = -1 EBADF (Bad file descriptor) [pid 22232] close(28) = -1 EBADF (Bad file descriptor) [pid 22232] close(29) = -1 EBADF (Bad file descriptor) [pid 22232] exit_group(0 [pid 22234] <... futex resumed>) = ? [pid 22233] <... futex resumed>) = ? [pid 22232] <... exit_group resumed>) = ? [pid 22234] +++ exited with 0 +++ [pid 22233] +++ exited with 0 +++ [pid 22232] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7540", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7540", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7540/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7540/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7540/cgroup.cpu") = 0 [pid 287] umount2("./7540/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7540/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7540/binderfs") = 0 [pid 287] umount2("./7540/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7540/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7540/cgroup") = 0 [pid 287] umount2("./7540/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7540/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7540/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7540") = 0 [pid 287] mkdir("./7541", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22235 attached [pid 22235] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22235] chdir("./7541") = 0 [pid 22235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21825 [pid 22235] <... prctl resumed>) = 0 [pid 22235] setpgid(0, 0) = 0 [pid 22235] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22235] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22235] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22235] write(3, "1000", 4) = 4 [pid 22235] close(3) = 0 [pid 22235] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22235] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22235] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22235] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22236 attached [pid 22236] set_robust_list(0x7f3b956fb9a0, 24 [pid 22235] <... clone3 resumed> => {parent_tid=[21826]}, 88) = 21826 [pid 22236] <... set_robust_list resumed>) = 0 [pid 22235] rt_sigprocmask(SIG_SETMASK, [], [pid 22236] rt_sigprocmask(SIG_SETMASK, [], [pid 22235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22235] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22235] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22236] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22235] <... futex resumed>) = 0 [pid 22236] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22235] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22235] <... futex resumed>) = 0 [pid 22236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22235] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22236] <... bpf resumed>) = 4 [pid 22236] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22235] <... futex resumed>) = 0 [pid 22236] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22235] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22235] <... futex resumed>) = 0 [pid 22236] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22235] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22236] <... bpf resumed>) = 0 [pid 22235] <... futex resumed>) = 0 [pid 22236] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22236] <... futex resumed>) = 0 [pid 22235] <... mmap resumed>) = 0x7f3b956ba000 [pid 22236] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22235] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22237 attached [pid 22237] set_robust_list(0x7f3b956da9a0, 24 [pid 22235] <... clone3 resumed> => {parent_tid=[21827]}, 88) = 21827 [pid 22237] <... set_robust_list resumed>) = 0 [pid 22237] rt_sigprocmask(SIG_SETMASK, [], [pid 22235] rt_sigprocmask(SIG_SETMASK, [], [pid 22237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22237] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22235] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22237] <... futex resumed>) = 0 [pid 22235] <... futex resumed>) = 1 [pid 22237] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22235] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22237] <... bpf resumed>) = 5 [pid 22237] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22235] <... futex resumed>) = 0 [pid 22237] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22235] close(3) = 0 [pid 22235] close(4) = 0 [pid 22235] close(5) = 0 [pid 22235] close(6) = -1 EBADF (Bad file descriptor) [pid 22235] close(7) = -1 EBADF (Bad file descriptor) [pid 22235] close(8) = -1 EBADF (Bad file descriptor) [pid 22235] close(9) = -1 EBADF (Bad file descriptor) [pid 22235] close(10) = -1 EBADF (Bad file descriptor) [pid 22235] close(11) = -1 EBADF (Bad file descriptor) [pid 22235] close(12) = -1 EBADF (Bad file descriptor) [pid 22235] close(13) = -1 EBADF (Bad file descriptor) [pid 22235] close(14) = -1 EBADF (Bad file descriptor) [pid 22235] close(15) = -1 EBADF (Bad file descriptor) [pid 22235] close(16) = -1 EBADF (Bad file descriptor) [pid 22235] close(17) = -1 EBADF (Bad file descriptor) [pid 22235] close(18) = -1 EBADF (Bad file descriptor) [pid 22235] close(19) = -1 EBADF (Bad file descriptor) [pid 22235] close(20) = -1 EBADF (Bad file descriptor) [pid 22235] close(21) = -1 EBADF (Bad file descriptor) [pid 22235] close(22) = -1 EBADF (Bad file descriptor) [pid 22235] close(23) = -1 EBADF (Bad file descriptor) [pid 22235] close(24) = -1 EBADF (Bad file descriptor) [pid 22235] close(25) = -1 EBADF (Bad file descriptor) [pid 22235] close(26) = -1 EBADF (Bad file descriptor) [pid 22235] close(27) = -1 EBADF (Bad file descriptor) [pid 22235] close(28) = -1 EBADF (Bad file descriptor) [pid 22235] close(29) = -1 EBADF (Bad file descriptor) [pid 22235] exit_group(0) = ? [pid 22236] <... futex resumed>) = ? [pid 22237] <... futex resumed>) = ? [pid 22237] +++ exited with 0 +++ [pid 22236] +++ exited with 0 +++ [pid 22235] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7541", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7541", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7541/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7541/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7541/cgroup.cpu") = 0 [pid 287] umount2("./7541/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7541/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7541/binderfs") = 0 [pid 287] umount2("./7541/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7541/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7541/cgroup") = 0 [pid 287] umount2("./7541/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7541/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7541/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7541") = 0 [pid 287] mkdir("./7542", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22238 attached [pid 22238] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21828 [pid 22238] chdir("./7542") = 0 [pid 22238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22238] setpgid(0, 0) = 0 [pid 22238] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22238] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22238] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22238] write(3, "1000", 4) = 4 [pid 22238] close(3) = 0 [pid 22238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22238] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22238] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22238] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22239 attached [pid 22239] set_robust_list(0x7f3b956fb9a0, 24 [pid 22238] <... clone3 resumed> => {parent_tid=[21829]}, 88) = 21829 [pid 22239] <... set_robust_list resumed>) = 0 [pid 22238] rt_sigprocmask(SIG_SETMASK, [], [pid 22239] rt_sigprocmask(SIG_SETMASK, [], [pid 22238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22238] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22239] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22238] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22239] <... bpf resumed>) = 3 [pid 22239] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22238] <... futex resumed>) = 0 [pid 22238] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22239] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22238] <... futex resumed>) = 0 [pid 22238] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22239] <... bpf resumed>) = 4 [pid 22239] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22238] <... futex resumed>) = 0 [pid 22239] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22238] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22238] <... futex resumed>) = 0 [pid 22239] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22238] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22239] <... bpf resumed>) = 0 [pid 22238] <... futex resumed>) = 0 [pid 22239] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22239] <... futex resumed>) = 0 [pid 22238] <... mmap resumed>) = 0x7f3b956ba000 [pid 22239] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22238] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22240 attached [pid 22240] set_robust_list(0x7f3b956da9a0, 24 [pid 22238] <... clone3 resumed> => {parent_tid=[21830]}, 88) = 21830 [pid 22240] <... set_robust_list resumed>) = 0 [pid 22240] rt_sigprocmask(SIG_SETMASK, [], [pid 22238] rt_sigprocmask(SIG_SETMASK, [], [pid 22240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22240] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22238] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22240] <... futex resumed>) = 0 [pid 22238] <... futex resumed>) = 1 [pid 22240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22238] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22240] <... bpf resumed>) = 5 [pid 22240] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22238] <... futex resumed>) = 0 [pid 22240] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22238] close(3) = 0 [pid 22238] close(4) = 0 [pid 22238] close(5) = 0 [pid 22238] close(6) = -1 EBADF (Bad file descriptor) [pid 22238] close(7) = -1 EBADF (Bad file descriptor) [pid 22238] close(8) = -1 EBADF (Bad file descriptor) [pid 22238] close(9) = -1 EBADF (Bad file descriptor) [pid 22238] close(10) = -1 EBADF (Bad file descriptor) [pid 22238] close(11) = -1 EBADF (Bad file descriptor) [pid 22238] close(12) = -1 EBADF (Bad file descriptor) [pid 22238] close(13) = -1 EBADF (Bad file descriptor) [pid 22238] close(14) = -1 EBADF (Bad file descriptor) [pid 22238] close(15) = -1 EBADF (Bad file descriptor) [pid 22238] close(16) = -1 EBADF (Bad file descriptor) [pid 22238] close(17) = -1 EBADF (Bad file descriptor) [pid 22238] close(18) = -1 EBADF (Bad file descriptor) [pid 22238] close(19) = -1 EBADF (Bad file descriptor) [pid 22238] close(20) = -1 EBADF (Bad file descriptor) [pid 22238] close(21) = -1 EBADF (Bad file descriptor) [pid 22238] close(22) = -1 EBADF (Bad file descriptor) [pid 22238] close(23) = -1 EBADF (Bad file descriptor) [pid 22238] close(24) = -1 EBADF (Bad file descriptor) [pid 22238] close(25) = -1 EBADF (Bad file descriptor) [pid 22238] close(26) = -1 EBADF (Bad file descriptor) [pid 22238] close(27) = -1 EBADF (Bad file descriptor) [pid 22238] close(28) = -1 EBADF (Bad file descriptor) [pid 22238] close(29) = -1 EBADF (Bad file descriptor) [pid 22238] exit_group(0) = ? [pid 22239] <... futex resumed>) = ? [pid 22240] <... futex resumed>) = ? [pid 22240] +++ exited with 0 +++ [pid 22239] +++ exited with 0 +++ [pid 22238] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7542", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7542", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7542/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7542/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7542/cgroup.cpu") = 0 [pid 287] umount2("./7542/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7542/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7542/binderfs") = 0 [pid 287] umount2("./7542/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7542/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7542/cgroup") = 0 [pid 287] umount2("./7542/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7542/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7542/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7542") = 0 [pid 287] mkdir("./7543", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22241 attached [pid 22241] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22241] chdir("./7543" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21831 [pid 22241] <... chdir resumed>) = 0 [pid 22241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22241] setpgid(0, 0) = 0 [pid 22241] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22241] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22241] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22241] write(3, "1000", 4) = 4 [pid 22241] close(3) = 0 [pid 22241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22241] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22241] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22241] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22242 attached [pid 22242] set_robust_list(0x7f3b956fb9a0, 24 [pid 22241] <... clone3 resumed> => {parent_tid=[21832]}, 88) = 21832 [pid 22242] <... set_robust_list resumed>) = 0 [pid 22241] rt_sigprocmask(SIG_SETMASK, [], [pid 22242] rt_sigprocmask(SIG_SETMASK, [], [pid 22241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22241] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22241] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22242] <... bpf resumed>) = 3 [pid 22242] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22241] <... futex resumed>) = 0 [pid 22241] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22242] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22241] <... futex resumed>) = 0 [pid 22242] <... bpf resumed>) = 4 [pid 22241] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22242] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22242] <... futex resumed>) = 0 [pid 22241] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22242] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22241] <... futex resumed>) = 0 [pid 22242] <... bpf resumed>) = 0 [pid 22241] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22242] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22241] <... futex resumed>) = 0 [pid 22242] <... futex resumed>) = 0 [pid 22241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22242] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22241] <... mmap resumed>) = 0x7f3b956ba000 [pid 22241] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22243 attached [pid 22243] set_robust_list(0x7f3b956da9a0, 24 [pid 22241] <... clone3 resumed> => {parent_tid=[21833]}, 88) = 21833 [pid 22243] <... set_robust_list resumed>) = 0 [pid 22243] rt_sigprocmask(SIG_SETMASK, [], [pid 22241] rt_sigprocmask(SIG_SETMASK, [], [pid 22243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22243] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22241] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22243] <... futex resumed>) = 0 [pid 22241] <... futex resumed>) = 1 [pid 22243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22241] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22243] <... bpf resumed>) = 5 [pid 22243] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22241] <... futex resumed>) = 0 [pid 22243] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22241] close(3) = 0 [pid 22241] close(4) = 0 [pid 22241] close(5) = 0 [pid 22241] close(6) = -1 EBADF (Bad file descriptor) [pid 22241] close(7) = -1 EBADF (Bad file descriptor) [pid 22241] close(8) = -1 EBADF (Bad file descriptor) [pid 22241] close(9) = -1 EBADF (Bad file descriptor) [pid 22241] close(10) = -1 EBADF (Bad file descriptor) [pid 22241] close(11) = -1 EBADF (Bad file descriptor) [pid 22241] close(12) = -1 EBADF (Bad file descriptor) [pid 22241] close(13) = -1 EBADF (Bad file descriptor) [pid 22241] close(14) = -1 EBADF (Bad file descriptor) [pid 22241] close(15) = -1 EBADF (Bad file descriptor) [pid 22241] close(16) = -1 EBADF (Bad file descriptor) [pid 22241] close(17) = -1 EBADF (Bad file descriptor) [pid 22241] close(18) = -1 EBADF (Bad file descriptor) [pid 22241] close(19) = -1 EBADF (Bad file descriptor) [pid 22241] close(20) = -1 EBADF (Bad file descriptor) [pid 22241] close(21) = -1 EBADF (Bad file descriptor) [pid 22241] close(22) = -1 EBADF (Bad file descriptor) [pid 22241] close(23) = -1 EBADF (Bad file descriptor) [pid 22241] close(24) = -1 EBADF (Bad file descriptor) [pid 22241] close(25) = -1 EBADF (Bad file descriptor) [pid 22241] close(26) = -1 EBADF (Bad file descriptor) [pid 22241] close(27) = -1 EBADF (Bad file descriptor) [pid 22241] close(28) = -1 EBADF (Bad file descriptor) [pid 22241] close(29) = -1 EBADF (Bad file descriptor) [pid 22241] exit_group(0) = ? [pid 22242] <... futex resumed>) = ? [pid 22243] <... futex resumed>) = ? [pid 22242] +++ exited with 0 +++ [pid 22243] +++ exited with 0 +++ [pid 22241] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7543", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7543", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7543/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7543/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7543/cgroup.cpu") = 0 [pid 287] umount2("./7543/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7543/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7543/binderfs") = 0 [pid 287] umount2("./7543/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7543/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7543/cgroup") = 0 [pid 287] umount2("./7543/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7543/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7543/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7543") = 0 [pid 287] mkdir("./7544", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22244 attached [pid 22244] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22244] chdir("./7544" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21834 [pid 22244] <... chdir resumed>) = 0 [pid 22244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22244] setpgid(0, 0) = 0 [pid 22244] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22244] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22244] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22244] write(3, "1000", 4) = 4 [pid 22244] close(3) = 0 [pid 22244] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22244] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22244] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22244] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22245 attached [pid 22245] set_robust_list(0x7f3b956fb9a0, 24 [pid 22244] <... clone3 resumed> => {parent_tid=[21835]}, 88) = 21835 [pid 22245] <... set_robust_list resumed>) = 0 [pid 22244] rt_sigprocmask(SIG_SETMASK, [], [pid 22245] rt_sigprocmask(SIG_SETMASK, [], [pid 22244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22244] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22244] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22245] <... bpf resumed>) = 3 [pid 22245] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22244] <... futex resumed>) = 0 [pid 22245] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22244] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22244] <... futex resumed>) = 0 [pid 22245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22244] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22245] <... bpf resumed>) = 4 [pid 22245] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22244] <... futex resumed>) = 0 [pid 22245] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22244] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22245] <... bpf resumed>) = 0 [pid 22244] <... futex resumed>) = 0 [pid 22245] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22244] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22245] <... futex resumed>) = 0 [pid 22244] <... futex resumed>) = 0 [pid 22245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22244] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22245] <... bpf resumed>) = 5 [pid 22245] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22244] <... futex resumed>) = 0 [pid 22245] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22244] close(3) = 0 [pid 22244] close(4) = 0 [pid 22244] close(5) = 0 [pid 22244] close(6) = -1 EBADF (Bad file descriptor) [pid 22244] close(7) = -1 EBADF (Bad file descriptor) [pid 22244] close(8) = -1 EBADF (Bad file descriptor) [pid 22244] close(9) = -1 EBADF (Bad file descriptor) [pid 22244] close(10) = -1 EBADF (Bad file descriptor) [pid 22244] close(11) = -1 EBADF (Bad file descriptor) [pid 22244] close(12) = -1 EBADF (Bad file descriptor) [pid 22244] close(13) = -1 EBADF (Bad file descriptor) [pid 22244] close(14) = -1 EBADF (Bad file descriptor) [pid 22244] close(15) = -1 EBADF (Bad file descriptor) [pid 22244] close(16) = -1 EBADF (Bad file descriptor) [pid 22244] close(17) = -1 EBADF (Bad file descriptor) [pid 22244] close(18) = -1 EBADF (Bad file descriptor) [pid 22244] close(19) = -1 EBADF (Bad file descriptor) [pid 22244] close(20) = -1 EBADF (Bad file descriptor) [pid 22244] close(21) = -1 EBADF (Bad file descriptor) [pid 22244] close(22) = -1 EBADF (Bad file descriptor) [pid 22244] close(23) = -1 EBADF (Bad file descriptor) [pid 22244] close(24) = -1 EBADF (Bad file descriptor) [pid 22244] close(25) = -1 EBADF (Bad file descriptor) [pid 22244] close(26) = -1 EBADF (Bad file descriptor) [pid 22244] close(27) = -1 EBADF (Bad file descriptor) [pid 22244] close(28) = -1 EBADF (Bad file descriptor) [pid 22244] close(29) = -1 EBADF (Bad file descriptor) [pid 22244] exit_group(0) = ? [pid 22245] <... futex resumed>) = ? [pid 22245] +++ exited with 0 +++ [pid 22244] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7544", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7544", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7544/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7544/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7544/cgroup.cpu") = 0 [pid 287] umount2("./7544/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7544/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7544/binderfs") = 0 [pid 287] umount2("./7544/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7544/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7544/cgroup") = 0 [pid 287] umount2("./7544/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7544/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7544/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7544") = 0 [pid 287] mkdir("./7545", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22246 attached , child_tidptr=0x555555ae1690) = 21836 [pid 22246] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22246] chdir("./7545") = 0 [pid 22246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22246] setpgid(0, 0) = 0 [pid 22246] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22246] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22246] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22246] write(3, "1000", 4) = 4 [pid 22246] close(3) = 0 [pid 22246] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22246] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22246] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22246] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22246] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22247 attached [pid 22247] set_robust_list(0x7f3b956fb9a0, 24 [pid 22246] <... clone3 resumed> => {parent_tid=[21837]}, 88) = 21837 [pid 22247] <... set_robust_list resumed>) = 0 [pid 22246] rt_sigprocmask(SIG_SETMASK, [], [pid 22247] rt_sigprocmask(SIG_SETMASK, [], [pid 22246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22246] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22247] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22246] <... futex resumed>) = 0 [pid 22247] <... bpf resumed>) = 3 [pid 22247] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22246] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22247] <... futex resumed>) = 0 [pid 22247] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22246] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22247] <... futex resumed>) = 0 [pid 22246] <... futex resumed>) = 1 [pid 22247] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22246] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22247] <... bpf resumed>) = 4 [pid 22247] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22246] <... futex resumed>) = 0 [pid 22247] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22246] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22247] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22246] <... futex resumed>) = 0 [pid 22247] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22246] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22247] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22246] <... futex resumed>) = 0 [pid 22247] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22246] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22247] <... futex resumed>) = 0 [pid 22246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22247] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22246] close(3) = 0 [pid 22246] close(4) = 0 [pid 22246] close(5) = 0 [pid 22246] close(6) = -1 EBADF (Bad file descriptor) [pid 22246] close(7) = -1 EBADF (Bad file descriptor) [pid 22246] close(8) = -1 EBADF (Bad file descriptor) [pid 22246] close(9) = -1 EBADF (Bad file descriptor) [pid 22246] close(10) = -1 EBADF (Bad file descriptor) [pid 22246] close(11) = -1 EBADF (Bad file descriptor) [pid 22246] close(12) = -1 EBADF (Bad file descriptor) [pid 22246] close(13) = -1 EBADF (Bad file descriptor) [pid 22246] close(14) = -1 EBADF (Bad file descriptor) [pid 22246] close(15) = -1 EBADF (Bad file descriptor) [pid 22246] close(16) = -1 EBADF (Bad file descriptor) [pid 22246] close(17) = -1 EBADF (Bad file descriptor) [pid 22246] close(18) = -1 EBADF (Bad file descriptor) [pid 22246] close(19) = -1 EBADF (Bad file descriptor) [pid 22246] close(20) = -1 EBADF (Bad file descriptor) [pid 22246] close(21) = -1 EBADF (Bad file descriptor) [pid 22246] close(22) = -1 EBADF (Bad file descriptor) [pid 22246] close(23) = -1 EBADF (Bad file descriptor) [pid 22246] close(24) = -1 EBADF (Bad file descriptor) [pid 22246] close(25) = -1 EBADF (Bad file descriptor) [pid 22246] close(26) = -1 EBADF (Bad file descriptor) [pid 22246] close(27) = -1 EBADF (Bad file descriptor) [pid 22246] close(28) = -1 EBADF (Bad file descriptor) [pid 22246] close(29) = -1 EBADF (Bad file descriptor) [pid 22246] exit_group(0 [pid 22247] <... futex resumed>) = ? [pid 22246] <... exit_group resumed>) = ? [pid 22247] +++ exited with 0 +++ [pid 22246] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7545", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7545", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7545/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7545/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7545/cgroup.cpu") = 0 [pid 287] umount2("./7545/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7545/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7545/binderfs") = 0 [pid 287] umount2("./7545/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7545/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7545/cgroup") = 0 [pid 287] umount2("./7545/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7545/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7545/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7545") = 0 [pid 287] mkdir("./7546", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22248 attached [pid 22248] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22248] chdir("./7546" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21838 [pid 22248] <... chdir resumed>) = 0 [pid 22248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22248] setpgid(0, 0) = 0 [pid 22248] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22248] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22248] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22248] write(3, "1000", 4) = 4 [pid 22248] close(3) = 0 [pid 22248] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22248] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22248] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22248] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22249 attached [pid 22249] set_robust_list(0x7f3b956fb9a0, 24 [pid 22248] <... clone3 resumed> => {parent_tid=[21839]}, 88) = 21839 [pid 22249] <... set_robust_list resumed>) = 0 [pid 22248] rt_sigprocmask(SIG_SETMASK, [], [pid 22249] rt_sigprocmask(SIG_SETMASK, [], [pid 22248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22248] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22248] <... futex resumed>) = 0 [pid 22248] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22249] <... bpf resumed>) = 3 [pid 22249] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22248] <... futex resumed>) = 0 [pid 22249] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22248] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22248] <... futex resumed>) = 0 [pid 22249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22248] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22249] <... bpf resumed>) = 4 [pid 22249] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22248] <... futex resumed>) = 0 [pid 22249] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22248] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22248] <... futex resumed>) = 0 [pid 22249] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22248] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22249] <... bpf resumed>) = 0 [pid 22248] <... futex resumed>) = 0 [pid 22249] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22249] <... futex resumed>) = 0 [pid 22248] <... mmap resumed>) = 0x7f3b956ba000 [pid 22249] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22248] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22250 attached [pid 22250] set_robust_list(0x7f3b956da9a0, 24 [pid 22248] <... clone3 resumed> => {parent_tid=[21840]}, 88) = 21840 [pid 22250] <... set_robust_list resumed>) = 0 [pid 22250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22248] rt_sigprocmask(SIG_SETMASK, [], [pid 22250] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22248] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22250] <... futex resumed>) = 0 [pid 22248] <... futex resumed>) = 1 [pid 22250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22248] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22250] <... bpf resumed>) = 5 [pid 22250] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22248] <... futex resumed>) = 0 [pid 22250] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22248] close(3) = 0 [pid 22248] close(4) = 0 [pid 22248] close(5) = 0 [pid 22248] close(6) = -1 EBADF (Bad file descriptor) [pid 22248] close(7) = -1 EBADF (Bad file descriptor) [pid 22248] close(8) = -1 EBADF (Bad file descriptor) [pid 22248] close(9) = -1 EBADF (Bad file descriptor) [pid 22248] close(10) = -1 EBADF (Bad file descriptor) [pid 22248] close(11) = -1 EBADF (Bad file descriptor) [pid 22248] close(12) = -1 EBADF (Bad file descriptor) [pid 22248] close(13) = -1 EBADF (Bad file descriptor) [pid 22248] close(14) = -1 EBADF (Bad file descriptor) [pid 22248] close(15) = -1 EBADF (Bad file descriptor) [pid 22248] close(16) = -1 EBADF (Bad file descriptor) [pid 22248] close(17) = -1 EBADF (Bad file descriptor) [pid 22248] close(18) = -1 EBADF (Bad file descriptor) [pid 22248] close(19) = -1 EBADF (Bad file descriptor) [pid 22248] close(20) = -1 EBADF (Bad file descriptor) [pid 22248] close(21) = -1 EBADF (Bad file descriptor) [pid 22248] close(22) = -1 EBADF (Bad file descriptor) [pid 22248] close(23) = -1 EBADF (Bad file descriptor) [pid 22248] close(24) = -1 EBADF (Bad file descriptor) [pid 22248] close(25) = -1 EBADF (Bad file descriptor) [pid 22248] close(26) = -1 EBADF (Bad file descriptor) [pid 22248] close(27) = -1 EBADF (Bad file descriptor) [pid 22248] close(28) = -1 EBADF (Bad file descriptor) [pid 22248] close(29) = -1 EBADF (Bad file descriptor) [pid 22248] exit_group(0 [pid 22250] <... futex resumed>) = ? [pid 22249] <... futex resumed>) = ? [pid 22248] <... exit_group resumed>) = ? [pid 22250] +++ exited with 0 +++ [pid 22249] +++ exited with 0 +++ [pid 22248] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7546", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7546", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7546/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7546/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7546/cgroup.cpu") = 0 [pid 287] umount2("./7546/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7546/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7546/binderfs") = 0 [pid 287] umount2("./7546/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7546/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7546/cgroup") = 0 [pid 287] umount2("./7546/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7546/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7546/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7546") = 0 [pid 287] mkdir("./7547", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22251 attached [pid 22251] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22251] chdir("./7547") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21841 [pid 22251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22251] setpgid(0, 0) = 0 [pid 22251] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22251] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22251] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22251] write(3, "1000", 4) = 4 [pid 22251] close(3) = 0 [pid 22251] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22251] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22251] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22251] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22251] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22252 attached [pid 22252] set_robust_list(0x7f3b956fb9a0, 24 [pid 22251] <... clone3 resumed> => {parent_tid=[21842]}, 88) = 21842 [pid 22252] <... set_robust_list resumed>) = 0 [pid 22251] rt_sigprocmask(SIG_SETMASK, [], [pid 22252] rt_sigprocmask(SIG_SETMASK, [], [pid 22251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22251] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22251] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22252] <... bpf resumed>) = 3 [pid 22252] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22251] <... futex resumed>) = 0 [pid 22251] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22252] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22251] <... futex resumed>) = 0 [pid 22251] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22252] <... bpf resumed>) = 4 [pid 22252] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22251] <... futex resumed>) = 0 [pid 22252] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22251] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22251] <... futex resumed>) = 0 [pid 22252] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22251] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22251] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22252] <... bpf resumed>) = 0 [pid 22251] <... mprotect resumed>) = 0 [pid 22252] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22252] <... futex resumed>) = 0 [pid 22251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22252] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22253 attached [pid 22253] set_robust_list(0x7f3b956da9a0, 24 [pid 22251] <... clone3 resumed> => {parent_tid=[21843]}, 88) = 21843 [pid 22253] <... set_robust_list resumed>) = 0 [pid 22253] rt_sigprocmask(SIG_SETMASK, [], [pid 22251] rt_sigprocmask(SIG_SETMASK, [], [pid 22253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22253] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22251] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22251] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22253] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22253] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22251] <... futex resumed>) = 0 [pid 22251] close(3) = 0 [pid 22251] close(4) = 0 [pid 22251] close(5) = 0 [pid 22251] close(6) = -1 EBADF (Bad file descriptor) [pid 22251] close(7) = -1 EBADF (Bad file descriptor) [pid 22251] close(8) = -1 EBADF (Bad file descriptor) [pid 22251] close(9) = -1 EBADF (Bad file descriptor) [pid 22251] close(10) = -1 EBADF (Bad file descriptor) [pid 22251] close(11) = -1 EBADF (Bad file descriptor) [pid 22251] close(12) = -1 EBADF (Bad file descriptor) [pid 22251] close(13) = -1 EBADF (Bad file descriptor) [pid 22251] close(14) = -1 EBADF (Bad file descriptor) [pid 22251] close(15) = -1 EBADF (Bad file descriptor) [pid 22251] close(16) = -1 EBADF (Bad file descriptor) [pid 22251] close(17) = -1 EBADF (Bad file descriptor) [pid 22251] close(18) = -1 EBADF (Bad file descriptor) [pid 22251] close(19) = -1 EBADF (Bad file descriptor) [pid 22251] close(20) = -1 EBADF (Bad file descriptor) [pid 22251] close(21) = -1 EBADF (Bad file descriptor) [pid 22251] close(22) = -1 EBADF (Bad file descriptor) [pid 22251] close(23) = -1 EBADF (Bad file descriptor) [pid 22251] close(24) = -1 EBADF (Bad file descriptor) [pid 22251] close(25) = -1 EBADF (Bad file descriptor) [pid 22251] close(26) = -1 EBADF (Bad file descriptor) [pid 22251] close(27) = -1 EBADF (Bad file descriptor) [pid 22251] close(28) = -1 EBADF (Bad file descriptor) [pid 22251] close(29) = -1 EBADF (Bad file descriptor) [pid 22251] exit_group(0 [pid 22253] <... futex resumed>) = ? [pid 22252] <... futex resumed>) = ? [pid 22251] <... exit_group resumed>) = ? [pid 22253] +++ exited with 0 +++ [pid 22252] +++ exited with 0 +++ [pid 22251] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7547", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7547", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7547/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7547/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7547/cgroup.cpu") = 0 [pid 287] umount2("./7547/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7547/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7547/binderfs") = 0 [pid 287] umount2("./7547/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7547/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7547/cgroup") = 0 [pid 287] umount2("./7547/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7547/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7547/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7547") = 0 [pid 287] mkdir("./7548", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22254 attached [pid 22254] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22254] chdir("./7548") = 0 [pid 22254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22254] setpgid(0, 0) = 0 [pid 22254] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21844 [pid 22254] <... symlink resumed>) = 0 [pid 22254] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22254] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22254] write(3, "1000", 4) = 4 [pid 22254] close(3) = 0 [pid 22254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22254] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22254] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22254] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22254] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22255 attached => {parent_tid=[21845]}, 88) = 21845 [pid 22255] set_robust_list(0x7f3b956fb9a0, 24 [pid 22254] rt_sigprocmask(SIG_SETMASK, [], [pid 22255] <... set_robust_list resumed>) = 0 [pid 22254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22255] rt_sigprocmask(SIG_SETMASK, [], [pid 22254] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22254] <... futex resumed>) = 0 [pid 22254] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22255] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22254] <... futex resumed>) = 0 [pid 22255] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22254] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22254] <... futex resumed>) = 0 [pid 22254] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22255] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22254] <... futex resumed>) = 0 [pid 22255] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22254] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22254] <... futex resumed>) = 0 [pid 22255] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22254] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22255] <... bpf resumed>) = 0 [pid 22254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22255] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22254] <... mmap resumed>) = 0x7f3b956ba000 [pid 22254] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22255] <... futex resumed>) = 0 [pid 22254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22255] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22256 attached => {parent_tid=[21846]}, 88) = 21846 [pid 22256] set_robust_list(0x7f3b956da9a0, 24 [pid 22254] rt_sigprocmask(SIG_SETMASK, [], [pid 22256] <... set_robust_list resumed>) = 0 [pid 22256] rt_sigprocmask(SIG_SETMASK, [], [pid 22254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22254] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22256] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22254] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22256] <... bpf resumed>) = 5 [pid 22256] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22254] <... futex resumed>) = 0 [pid 22256] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22254] close(3) = 0 [pid 22254] close(4) = 0 [pid 22254] close(5) = 0 [pid 22254] close(6) = -1 EBADF (Bad file descriptor) [pid 22254] close(7) = -1 EBADF (Bad file descriptor) [pid 22254] close(8) = -1 EBADF (Bad file descriptor) [pid 22254] close(9) = -1 EBADF (Bad file descriptor) [pid 22254] close(10) = -1 EBADF (Bad file descriptor) [pid 22254] close(11) = -1 EBADF (Bad file descriptor) [pid 22254] close(12) = -1 EBADF (Bad file descriptor) [pid 22254] close(13) = -1 EBADF (Bad file descriptor) [pid 22254] close(14) = -1 EBADF (Bad file descriptor) [pid 22254] close(15) = -1 EBADF (Bad file descriptor) [pid 22254] close(16) = -1 EBADF (Bad file descriptor) [pid 22254] close(17) = -1 EBADF (Bad file descriptor) [pid 22254] close(18) = -1 EBADF (Bad file descriptor) [pid 22254] close(19) = -1 EBADF (Bad file descriptor) [pid 22254] close(20) = -1 EBADF (Bad file descriptor) [pid 22254] close(21) = -1 EBADF (Bad file descriptor) [pid 22254] close(22) = -1 EBADF (Bad file descriptor) [pid 22254] close(23) = -1 EBADF (Bad file descriptor) [pid 22254] close(24) = -1 EBADF (Bad file descriptor) [pid 22254] close(25) = -1 EBADF (Bad file descriptor) [pid 22254] close(26) = -1 EBADF (Bad file descriptor) [pid 22254] close(27) = -1 EBADF (Bad file descriptor) [pid 22254] close(28) = -1 EBADF (Bad file descriptor) [pid 22254] close(29) = -1 EBADF (Bad file descriptor) [pid 22254] exit_group(0 [pid 22256] <... futex resumed>) = ? [pid 22255] <... futex resumed>) = ? [pid 22254] <... exit_group resumed>) = ? [pid 22256] +++ exited with 0 +++ [pid 22255] +++ exited with 0 +++ [pid 22254] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7548", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7548", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7548/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7548/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7548/cgroup.cpu") = 0 [pid 287] umount2("./7548/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7548/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7548/binderfs") = 0 [pid 287] umount2("./7548/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7548/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7548/cgroup") = 0 [pid 287] umount2("./7548/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7548/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7548/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7548") = 0 [pid 287] mkdir("./7549", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22257 attached [pid 22257] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22257] chdir("./7549") = 0 [pid 22257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21847 [pid 22257] <... prctl resumed>) = 0 [pid 22257] setpgid(0, 0) = 0 [pid 22257] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22257] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22257] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22257] write(3, "1000", 4) = 4 [pid 22257] close(3) = 0 [pid 22257] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22257] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22257] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22257] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22258 attached [pid 22258] set_robust_list(0x7f3b956fb9a0, 24 [pid 22257] <... clone3 resumed> => {parent_tid=[21848]}, 88) = 21848 [pid 22258] <... set_robust_list resumed>) = 0 [pid 22257] rt_sigprocmask(SIG_SETMASK, [], [pid 22258] rt_sigprocmask(SIG_SETMASK, [], [pid 22257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22257] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22257] <... futex resumed>) = 0 [pid 22258] <... bpf resumed>) = 3 [pid 22257] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22258] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22258] <... futex resumed>) = 0 [pid 22257] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22257] <... futex resumed>) = 0 [pid 22258] <... bpf resumed>) = 4 [pid 22257] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22258] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22258] <... futex resumed>) = 0 [pid 22257] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22258] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22257] <... futex resumed>) = 0 [pid 22258] <... bpf resumed>) = 0 [pid 22257] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22258] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22257] <... futex resumed>) = 0 [pid 22258] <... futex resumed>) = 0 [pid 22257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22258] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22257] <... mmap resumed>) = 0x7f3b956ba000 [pid 22257] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22259 attached => {parent_tid=[21849]}, 88) = 21849 [pid 22259] set_robust_list(0x7f3b956da9a0, 24 [pid 22257] rt_sigprocmask(SIG_SETMASK, [], [pid 22259] <... set_robust_list resumed>) = 0 [pid 22257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22259] rt_sigprocmask(SIG_SETMASK, [], [pid 22257] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22257] <... futex resumed>) = 0 [pid 22259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22257] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22259] <... bpf resumed>) = 5 [pid 22259] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22257] <... futex resumed>) = 0 [pid 22259] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22257] close(3) = 0 [pid 22257] close(4) = 0 [pid 22257] close(5) = 0 [pid 22257] close(6) = -1 EBADF (Bad file descriptor) [pid 22257] close(7) = -1 EBADF (Bad file descriptor) [pid 22257] close(8) = -1 EBADF (Bad file descriptor) [pid 22257] close(9) = -1 EBADF (Bad file descriptor) [pid 22257] close(10) = -1 EBADF (Bad file descriptor) [pid 22257] close(11) = -1 EBADF (Bad file descriptor) [pid 22257] close(12) = -1 EBADF (Bad file descriptor) [pid 22257] close(13) = -1 EBADF (Bad file descriptor) [pid 22257] close(14) = -1 EBADF (Bad file descriptor) [pid 22257] close(15) = -1 EBADF (Bad file descriptor) [pid 22257] close(16) = -1 EBADF (Bad file descriptor) [pid 22257] close(17) = -1 EBADF (Bad file descriptor) [pid 22257] close(18) = -1 EBADF (Bad file descriptor) [pid 22257] close(19) = -1 EBADF (Bad file descriptor) [pid 22257] close(20) = -1 EBADF (Bad file descriptor) [pid 22257] close(21) = -1 EBADF (Bad file descriptor) [pid 22257] close(22) = -1 EBADF (Bad file descriptor) [pid 22257] close(23) = -1 EBADF (Bad file descriptor) [pid 22257] close(24) = -1 EBADF (Bad file descriptor) [pid 22257] close(25) = -1 EBADF (Bad file descriptor) [pid 22257] close(26) = -1 EBADF (Bad file descriptor) [pid 22257] close(27) = -1 EBADF (Bad file descriptor) [pid 22257] close(28) = -1 EBADF (Bad file descriptor) [pid 22257] close(29) = -1 EBADF (Bad file descriptor) [pid 22257] exit_group(0 [pid 22259] <... futex resumed>) = ? [pid 22258] <... futex resumed>) = ? [pid 22257] <... exit_group resumed>) = ? [pid 22259] +++ exited with 0 +++ [pid 22258] +++ exited with 0 +++ [pid 22257] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7549", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7549", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7549/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7549/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7549/cgroup.cpu") = 0 [pid 287] umount2("./7549/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7549/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7549/binderfs") = 0 [pid 287] umount2("./7549/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7549/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7549/cgroup") = 0 [pid 287] umount2("./7549/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7549/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7549/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7549") = 0 [pid 287] mkdir("./7550", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22260 attached [pid 22260] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22260] chdir("./7550" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21850 [pid 22260] <... chdir resumed>) = 0 [pid 22260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22260] setpgid(0, 0) = 0 [pid 22260] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22260] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22260] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22260] write(3, "1000", 4) = 4 [pid 22260] close(3) = 0 [pid 22260] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22260] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22260] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22260] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22260] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[21851]}, 88) = 21851 ./strace-static-x86_64: Process 22261 attached [pid 22260] rt_sigprocmask(SIG_SETMASK, [], [pid 22261] set_robust_list(0x7f3b956fb9a0, 24 [pid 22260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22261] <... set_robust_list resumed>) = 0 [pid 22260] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22261] rt_sigprocmask(SIG_SETMASK, [], [pid 22260] <... futex resumed>) = 0 [pid 22261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22260] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22261] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22261] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22260] <... futex resumed>) = 0 [pid 22261] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22260] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22260] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22261] <... bpf resumed>) = 4 [pid 22261] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22260] <... futex resumed>) = 0 [pid 22261] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22260] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22260] <... futex resumed>) = 0 [pid 22261] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22260] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22261] <... bpf resumed>) = 0 [pid 22260] <... futex resumed>) = 0 [pid 22260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22261] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22260] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22261] <... futex resumed>) = 0 [pid 22260] <... mprotect resumed>) = 0 [pid 22261] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22260] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22262 attached [pid 22262] set_robust_list(0x7f3b956da9a0, 24 [pid 22260] <... clone3 resumed> => {parent_tid=[21852]}, 88) = 21852 [pid 22262] <... set_robust_list resumed>) = 0 [pid 22262] rt_sigprocmask(SIG_SETMASK, [], [pid 22260] rt_sigprocmask(SIG_SETMASK, [], [pid 22262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22262] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22260] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22260] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22262] <... bpf resumed>) = 5 [pid 22262] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22260] <... futex resumed>) = 0 [pid 22262] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22260] close(3) = 0 [pid 22260] close(4) = 0 [pid 22260] close(5) = 0 [pid 22260] close(6) = -1 EBADF (Bad file descriptor) [pid 22260] close(7) = -1 EBADF (Bad file descriptor) [pid 22260] close(8) = -1 EBADF (Bad file descriptor) [pid 22260] close(9) = -1 EBADF (Bad file descriptor) [pid 22260] close(10) = -1 EBADF (Bad file descriptor) [pid 22260] close(11) = -1 EBADF (Bad file descriptor) [pid 22260] close(12) = -1 EBADF (Bad file descriptor) [pid 22260] close(13) = -1 EBADF (Bad file descriptor) [pid 22260] close(14) = -1 EBADF (Bad file descriptor) [pid 22260] close(15) = -1 EBADF (Bad file descriptor) [pid 22260] close(16) = -1 EBADF (Bad file descriptor) [pid 22260] close(17) = -1 EBADF (Bad file descriptor) [pid 22260] close(18) = -1 EBADF (Bad file descriptor) [pid 22260] close(19) = -1 EBADF (Bad file descriptor) [pid 22260] close(20) = -1 EBADF (Bad file descriptor) [pid 22260] close(21) = -1 EBADF (Bad file descriptor) [pid 22260] close(22) = -1 EBADF (Bad file descriptor) [pid 22260] close(23) = -1 EBADF (Bad file descriptor) [pid 22260] close(24) = -1 EBADF (Bad file descriptor) [pid 22260] close(25) = -1 EBADF (Bad file descriptor) [pid 22260] close(26) = -1 EBADF (Bad file descriptor) [pid 22260] close(27) = -1 EBADF (Bad file descriptor) [pid 22260] close(28) = -1 EBADF (Bad file descriptor) [pid 22260] close(29) = -1 EBADF (Bad file descriptor) [pid 22260] exit_group(0 [pid 22262] <... futex resumed>) = ? [pid 22261] <... futex resumed>) = ? [pid 22260] <... exit_group resumed>) = ? [pid 22262] +++ exited with 0 +++ [pid 22261] +++ exited with 0 +++ [pid 22260] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7550", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7550", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7550/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7550/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7550/cgroup.cpu") = 0 [pid 287] umount2("./7550/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7550/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7550/binderfs") = 0 [pid 287] umount2("./7550/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7550/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7550/cgroup") = 0 [pid 287] umount2("./7550/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7550/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7550/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7550") = 0 [pid 287] mkdir("./7551", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22263 attached [pid 22263] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21853 [pid 22263] chdir("./7551") = 0 [pid 22263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22263] setpgid(0, 0) = 0 [pid 22263] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22263] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22263] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22263] write(3, "1000", 4) = 4 [pid 22263] close(3) = 0 [pid 22263] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22263] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22263] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22263] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22263] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22264 attached => {parent_tid=[21854]}, 88) = 21854 [pid 22264] set_robust_list(0x7f3b956fb9a0, 24 [pid 22263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22263] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22264] <... set_robust_list resumed>) = 0 [pid 22263] <... futex resumed>) = 0 [pid 22264] rt_sigprocmask(SIG_SETMASK, [], [pid 22263] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22264] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22264] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22263] <... futex resumed>) = 0 [pid 22264] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22263] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22263] <... futex resumed>) = 0 [pid 22264] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22263] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22264] <... bpf resumed>) = 4 [pid 22264] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22263] <... futex resumed>) = 0 [pid 22263] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22264] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22263] <... futex resumed>) = 0 [pid 22263] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22264] <... bpf resumed>) = 0 [pid 22263] <... futex resumed>) = 0 [pid 22264] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22264] <... futex resumed>) = 0 [pid 22263] <... mmap resumed>) = 0x7f3b956ba000 [pid 22264] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22263] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22263] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[21855]}, 88) = 21855 ./strace-static-x86_64: Process 22265 attached [pid 22263] rt_sigprocmask(SIG_SETMASK, [], [pid 22265] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22263] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22263] <... futex resumed>) = 0 [pid 22263] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22265] <... bpf resumed>) = 5 [pid 22265] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22265] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22263] <... futex resumed>) = 0 [pid 22263] close(3) = 0 [pid 22263] close(4) = 0 [pid 22263] close(5) = 0 [pid 22263] close(6) = -1 EBADF (Bad file descriptor) [pid 22263] close(7) = -1 EBADF (Bad file descriptor) [pid 22263] close(8) = -1 EBADF (Bad file descriptor) [pid 22263] close(9) = -1 EBADF (Bad file descriptor) [pid 22263] close(10) = -1 EBADF (Bad file descriptor) [pid 22263] close(11) = -1 EBADF (Bad file descriptor) [pid 22263] close(12) = -1 EBADF (Bad file descriptor) [pid 22263] close(13) = -1 EBADF (Bad file descriptor) [pid 22263] close(14) = -1 EBADF (Bad file descriptor) [pid 22263] close(15) = -1 EBADF (Bad file descriptor) [pid 22263] close(16) = -1 EBADF (Bad file descriptor) [pid 22263] close(17) = -1 EBADF (Bad file descriptor) [pid 22263] close(18) = -1 EBADF (Bad file descriptor) [pid 22263] close(19) = -1 EBADF (Bad file descriptor) [pid 22263] close(20) = -1 EBADF (Bad file descriptor) [pid 22263] close(21) = -1 EBADF (Bad file descriptor) [pid 22263] close(22) = -1 EBADF (Bad file descriptor) [pid 22263] close(23) = -1 EBADF (Bad file descriptor) [pid 22263] close(24) = -1 EBADF (Bad file descriptor) [pid 22263] close(25) = -1 EBADF (Bad file descriptor) [pid 22263] close(26) = -1 EBADF (Bad file descriptor) [pid 22263] close(27) = -1 EBADF (Bad file descriptor) [pid 22263] close(28) = -1 EBADF (Bad file descriptor) [pid 22263] close(29) = -1 EBADF (Bad file descriptor) [pid 22263] exit_group(0 [pid 22265] <... futex resumed>) = ? [pid 22264] <... futex resumed>) = ? [pid 22263] <... exit_group resumed>) = ? [pid 22265] +++ exited with 0 +++ [pid 22264] +++ exited with 0 +++ [pid 22263] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7551", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7551", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7551/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7551/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7551/cgroup.cpu") = 0 [pid 287] umount2("./7551/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7551/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7551/binderfs") = 0 [pid 287] umount2("./7551/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7551/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7551/cgroup") = 0 [pid 287] umount2("./7551/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7551/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7551/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7551") = 0 [pid 287] mkdir("./7552", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21856 ./strace-static-x86_64: Process 22266 attached [pid 22266] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22266] chdir("./7552") = 0 [pid 22266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22266] setpgid(0, 0) = 0 [pid 22266] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22266] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22266] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22266] write(3, "1000", 4) = 4 [pid 22266] close(3) = 0 [pid 22266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22266] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22266] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22266] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22266] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22267 attached [pid 22267] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22267] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22266] <... clone3 resumed> => {parent_tid=[21857]}, 88) = 21857 [pid 22266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22266] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22267] <... futex resumed>) = 0 [pid 22266] <... futex resumed>) = 1 [pid 22267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22266] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22267] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22267] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22266] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22266] <... futex resumed>) = 0 [pid 22267] <... bpf resumed>) = 4 [pid 22266] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22267] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22267] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22266] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22267] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22266] <... futex resumed>) = 0 [pid 22267] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22266] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22266] <... futex resumed>) = 0 [pid 22267] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22267] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22266] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22266] close(3) = 0 [pid 22266] close(4) = 0 [pid 22266] close(5) = 0 [pid 22266] close(6) = -1 EBADF (Bad file descriptor) [pid 22266] close(7) = -1 EBADF (Bad file descriptor) [pid 22266] close(8) = -1 EBADF (Bad file descriptor) [pid 22266] close(9) = -1 EBADF (Bad file descriptor) [pid 22266] close(10) = -1 EBADF (Bad file descriptor) [pid 22266] close(11) = -1 EBADF (Bad file descriptor) [pid 22266] close(12) = -1 EBADF (Bad file descriptor) [pid 22266] close(13) = -1 EBADF (Bad file descriptor) [pid 22266] close(14) = -1 EBADF (Bad file descriptor) [pid 22266] close(15) = -1 EBADF (Bad file descriptor) [pid 22266] close(16) = -1 EBADF (Bad file descriptor) [pid 22266] close(17) = -1 EBADF (Bad file descriptor) [pid 22266] close(18) = -1 EBADF (Bad file descriptor) [pid 22266] close(19) = -1 EBADF (Bad file descriptor) [pid 22266] close(20) = -1 EBADF (Bad file descriptor) [pid 22266] close(21) = -1 EBADF (Bad file descriptor) [pid 22266] close(22) = -1 EBADF (Bad file descriptor) [pid 22266] close(23) = -1 EBADF (Bad file descriptor) [pid 22266] close(24) = -1 EBADF (Bad file descriptor) [pid 22266] close(25) = -1 EBADF (Bad file descriptor) [pid 22266] close(26) = -1 EBADF (Bad file descriptor) [pid 22266] close(27) = -1 EBADF (Bad file descriptor) [pid 22266] close(28) = -1 EBADF (Bad file descriptor) [pid 22266] close(29) = -1 EBADF (Bad file descriptor) [pid 22266] exit_group(0 [pid 22267] <... futex resumed>) = ? [pid 22266] <... exit_group resumed>) = ? [pid 22267] +++ exited with 0 +++ [pid 22266] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7552", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7552", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7552/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7552/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7552/cgroup.cpu") = 0 [pid 287] umount2("./7552/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7552/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7552/binderfs") = 0 [pid 287] umount2("./7552/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7552/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7552/cgroup") = 0 [pid 287] umount2("./7552/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7552/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7552/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7552") = 0 [pid 287] mkdir("./7553", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22268 attached [pid 22268] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22268] chdir("./7553") = 0 [pid 22268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21858 [pid 22268] setpgid(0, 0) = 0 [pid 22268] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22268] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22268] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22268] write(3, "1000", 4) = 4 [pid 22268] close(3) = 0 [pid 22268] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22268] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22268] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22268] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22269 attached [pid 22269] set_robust_list(0x7f3b956fb9a0, 24 [pid 22268] <... clone3 resumed> => {parent_tid=[21859]}, 88) = 21859 [pid 22269] <... set_robust_list resumed>) = 0 [pid 22268] rt_sigprocmask(SIG_SETMASK, [], [pid 22269] rt_sigprocmask(SIG_SETMASK, [], [pid 22268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22268] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22268] <... futex resumed>) = 0 [pid 22269] <... bpf resumed>) = 3 [pid 22268] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22269] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22269] <... futex resumed>) = 0 [pid 22268] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22268] <... futex resumed>) = 0 [pid 22269] <... bpf resumed>) = 4 [pid 22268] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22269] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22269] <... futex resumed>) = 0 [pid 22268] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22269] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22268] <... futex resumed>) = 0 [pid 22269] <... bpf resumed>) = 0 [pid 22268] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22269] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22268] <... futex resumed>) = 0 [pid 22269] <... futex resumed>) = 0 [pid 22268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22269] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22268] <... mmap resumed>) = 0x7f3b956ba000 [pid 22268] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[21860]}, 88) = 21860 ./strace-static-x86_64: Process 22270 attached [pid 22268] rt_sigprocmask(SIG_SETMASK, [], [pid 22270] set_robust_list(0x7f3b956da9a0, 24 [pid 22268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22268] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22270] <... set_robust_list resumed>) = 0 [pid 22268] <... futex resumed>) = 0 [pid 22270] rt_sigprocmask(SIG_SETMASK, [], [pid 22268] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22270] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22268] <... futex resumed>) = 0 [pid 22270] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22268] close(3) = 0 [pid 22268] close(4) = 0 [pid 22268] close(5) = 0 [pid 22268] close(6) = -1 EBADF (Bad file descriptor) [pid 22268] close(7) = -1 EBADF (Bad file descriptor) [pid 22268] close(8) = -1 EBADF (Bad file descriptor) [pid 22268] close(9) = -1 EBADF (Bad file descriptor) [pid 22268] close(10) = -1 EBADF (Bad file descriptor) [pid 22268] close(11) = -1 EBADF (Bad file descriptor) [pid 22268] close(12) = -1 EBADF (Bad file descriptor) [pid 22268] close(13) = -1 EBADF (Bad file descriptor) [pid 22268] close(14) = -1 EBADF (Bad file descriptor) [pid 22268] close(15) = -1 EBADF (Bad file descriptor) [pid 22268] close(16) = -1 EBADF (Bad file descriptor) [pid 22268] close(17) = -1 EBADF (Bad file descriptor) [pid 22268] close(18) = -1 EBADF (Bad file descriptor) [pid 22268] close(19) = -1 EBADF (Bad file descriptor) [pid 22268] close(20) = -1 EBADF (Bad file descriptor) [pid 22268] close(21) = -1 EBADF (Bad file descriptor) [pid 22268] close(22) = -1 EBADF (Bad file descriptor) [pid 22268] close(23) = -1 EBADF (Bad file descriptor) [pid 22268] close(24) = -1 EBADF (Bad file descriptor) [pid 22268] close(25) = -1 EBADF (Bad file descriptor) [pid 22268] close(26) = -1 EBADF (Bad file descriptor) [pid 22268] close(27) = -1 EBADF (Bad file descriptor) [pid 22268] close(28) = -1 EBADF (Bad file descriptor) [pid 22268] close(29) = -1 EBADF (Bad file descriptor) [pid 22268] exit_group(0 [pid 22270] <... futex resumed>) = ? [pid 22269] <... futex resumed>) = ? [pid 22268] <... exit_group resumed>) = ? [pid 22270] +++ exited with 0 +++ [pid 22269] +++ exited with 0 +++ [pid 22268] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7553", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7553", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7553/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7553/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7553/cgroup.cpu") = 0 [pid 287] umount2("./7553/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7553/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7553/binderfs") = 0 [pid 287] umount2("./7553/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7553/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7553/cgroup") = 0 [pid 287] umount2("./7553/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7553/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7553/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7553") = 0 [pid 287] mkdir("./7554", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22271 attached [pid 22271] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21861 [pid 22271] chdir("./7554") = 0 [pid 22271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22271] setpgid(0, 0) = 0 [pid 22271] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22271] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22271] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22271] write(3, "1000", 4) = 4 [pid 22271] close(3) = 0 [pid 22271] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22271] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22271] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22271] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22271] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22272 attached => {parent_tid=[21862]}, 88) = 21862 [pid 22271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22272] set_robust_list(0x7f3b956fb9a0, 24 [pid 22271] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22272] <... set_robust_list resumed>) = 0 [pid 22271] <... futex resumed>) = 0 [pid 22272] rt_sigprocmask(SIG_SETMASK, [], [pid 22271] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22272] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22271] <... futex resumed>) = 0 [pid 22272] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22271] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22271] <... futex resumed>) = 0 [pid 22272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22271] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22272] <... bpf resumed>) = 4 [pid 22272] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22271] <... futex resumed>) = 0 [pid 22272] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22271] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22271] <... futex resumed>) = 0 [pid 22272] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22271] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22272] <... bpf resumed>) = 0 [pid 22271] <... futex resumed>) = 0 [pid 22271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22271] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22272] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22271] <... mprotect resumed>) = 0 [pid 22272] <... futex resumed>) = 0 [pid 22271] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22273 attached [pid 22272] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22273] set_robust_list(0x7f3b956da9a0, 24 [pid 22271] <... clone3 resumed> => {parent_tid=[21863]}, 88) = 21863 [pid 22271] rt_sigprocmask(SIG_SETMASK, [], [pid 22273] <... set_robust_list resumed>) = 0 [pid 22273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22273] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22271] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22273] <... futex resumed>) = 0 [pid 22271] <... futex resumed>) = 1 [pid 22273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22271] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22273] <... bpf resumed>) = 5 [pid 22273] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22271] <... futex resumed>) = 0 [pid 22273] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22271] close(3) = 0 [pid 22271] close(4) = 0 [pid 22271] close(5) = 0 [pid 22271] close(6) = -1 EBADF (Bad file descriptor) [pid 22271] close(7) = -1 EBADF (Bad file descriptor) [pid 22271] close(8) = -1 EBADF (Bad file descriptor) [pid 22271] close(9) = -1 EBADF (Bad file descriptor) [pid 22271] close(10) = -1 EBADF (Bad file descriptor) [pid 22271] close(11) = -1 EBADF (Bad file descriptor) [pid 22271] close(12) = -1 EBADF (Bad file descriptor) [pid 22271] close(13) = -1 EBADF (Bad file descriptor) [pid 22271] close(14) = -1 EBADF (Bad file descriptor) [pid 22271] close(15) = -1 EBADF (Bad file descriptor) [pid 22271] close(16) = -1 EBADF (Bad file descriptor) [pid 22271] close(17) = -1 EBADF (Bad file descriptor) [pid 22271] close(18) = -1 EBADF (Bad file descriptor) [pid 22271] close(19) = -1 EBADF (Bad file descriptor) [pid 22271] close(20) = -1 EBADF (Bad file descriptor) [pid 22271] close(21) = -1 EBADF (Bad file descriptor) [pid 22271] close(22) = -1 EBADF (Bad file descriptor) [pid 22271] close(23) = -1 EBADF (Bad file descriptor) [pid 22271] close(24) = -1 EBADF (Bad file descriptor) [pid 22271] close(25) = -1 EBADF (Bad file descriptor) [pid 22271] close(26) = -1 EBADF (Bad file descriptor) [pid 22271] close(27) = -1 EBADF (Bad file descriptor) [pid 22271] close(28) = -1 EBADF (Bad file descriptor) [pid 22271] close(29) = -1 EBADF (Bad file descriptor) [pid 22271] exit_group(0 [pid 22273] <... futex resumed>) = ? [pid 22271] <... exit_group resumed>) = ? [pid 22273] +++ exited with 0 +++ [pid 22272] <... futex resumed>) = ? [pid 22272] +++ exited with 0 +++ [pid 22271] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7554", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7554", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7554/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7554/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7554/cgroup.cpu") = 0 [pid 287] umount2("./7554/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7554/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7554/binderfs") = 0 [pid 287] umount2("./7554/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7554/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7554/cgroup") = 0 [pid 287] umount2("./7554/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7554/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7554/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7554") = 0 [pid 287] mkdir("./7555", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22274 attached [pid 22274] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22274] chdir("./7555" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21864 [pid 22274] <... chdir resumed>) = 0 [pid 22274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22274] setpgid(0, 0) = 0 [pid 22274] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22274] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22274] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22274] write(3, "1000", 4) = 4 [pid 22274] close(3) = 0 [pid 22274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22274] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22274] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22274] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22275 attached [pid 22275] set_robust_list(0x7f3b956fb9a0, 24 [pid 22274] <... clone3 resumed> => {parent_tid=[21865]}, 88) = 21865 [pid 22275] <... set_robust_list resumed>) = 0 [pid 22274] rt_sigprocmask(SIG_SETMASK, [], [pid 22275] rt_sigprocmask(SIG_SETMASK, [], [pid 22274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22274] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22274] <... futex resumed>) = 0 [pid 22275] <... bpf resumed>) = 3 [pid 22274] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22275] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22275] <... futex resumed>) = 0 [pid 22274] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22275] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22274] <... futex resumed>) = 0 [pid 22275] <... bpf resumed>) = 4 [pid 22274] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22275] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22275] <... futex resumed>) = 0 [pid 22274] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22275] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22274] <... futex resumed>) = 0 [pid 22275] <... bpf resumed>) = 0 [pid 22274] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22275] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22274] <... futex resumed>) = 0 [pid 22275] <... futex resumed>) = 0 [pid 22274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22275] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22274] <... mmap resumed>) = 0x7f3b956ba000 [pid 22274] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22276 attached => {parent_tid=[21866]}, 88) = 21866 [pid 22276] set_robust_list(0x7f3b956da9a0, 24 [pid 22274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22276] <... set_robust_list resumed>) = 0 [pid 22274] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22276] rt_sigprocmask(SIG_SETMASK, [], [pid 22274] <... futex resumed>) = 0 [pid 22276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22274] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22276] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22274] <... futex resumed>) = 0 [pid 22274] close(3) = 0 [pid 22274] close(4 [pid 22276] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22274] <... close resumed>) = 0 [pid 22274] close(5) = 0 [pid 22274] close(6) = -1 EBADF (Bad file descriptor) [pid 22274] close(7) = -1 EBADF (Bad file descriptor) [pid 22274] close(8) = -1 EBADF (Bad file descriptor) [pid 22274] close(9) = -1 EBADF (Bad file descriptor) [pid 22274] close(10) = -1 EBADF (Bad file descriptor) [pid 22274] close(11) = -1 EBADF (Bad file descriptor) [pid 22274] close(12) = -1 EBADF (Bad file descriptor) [pid 22274] close(13) = -1 EBADF (Bad file descriptor) [pid 22274] close(14) = -1 EBADF (Bad file descriptor) [pid 22274] close(15) = -1 EBADF (Bad file descriptor) [pid 22274] close(16) = -1 EBADF (Bad file descriptor) [pid 22274] close(17) = -1 EBADF (Bad file descriptor) [pid 22274] close(18) = -1 EBADF (Bad file descriptor) [pid 22274] close(19) = -1 EBADF (Bad file descriptor) [pid 22274] close(20) = -1 EBADF (Bad file descriptor) [pid 22274] close(21) = -1 EBADF (Bad file descriptor) [pid 22274] close(22) = -1 EBADF (Bad file descriptor) [pid 22274] close(23) = -1 EBADF (Bad file descriptor) [pid 22274] close(24) = -1 EBADF (Bad file descriptor) [pid 22274] close(25) = -1 EBADF (Bad file descriptor) [pid 22274] close(26) = -1 EBADF (Bad file descriptor) [pid 22274] close(27) = -1 EBADF (Bad file descriptor) [pid 22274] close(28) = -1 EBADF (Bad file descriptor) [pid 22274] close(29) = -1 EBADF (Bad file descriptor) [pid 22274] exit_group(0 [pid 22276] <... futex resumed>) = ? [pid 22275] <... futex resumed>) = ? [pid 22274] <... exit_group resumed>) = ? [pid 22276] +++ exited with 0 +++ [pid 22275] +++ exited with 0 +++ [pid 22274] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7555", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7555", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7555/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7555/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7555/cgroup.cpu") = 0 [pid 287] umount2("./7555/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7555/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7555/binderfs") = 0 [pid 287] umount2("./7555/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7555/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7555/cgroup") = 0 [pid 287] umount2("./7555/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7555/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7555/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7555") = 0 [pid 287] mkdir("./7556", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22277 attached [pid 22277] set_robust_list(0x555555ae16a0, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21867 [pid 22277] <... set_robust_list resumed>) = 0 [pid 22277] chdir("./7556") = 0 [pid 22277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22277] setpgid(0, 0) = 0 [pid 22277] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22277] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22277] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22277] write(3, "1000", 4) = 4 [pid 22277] close(3) = 0 [pid 22277] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22277] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22277] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22277] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22278 attached [pid 22278] set_robust_list(0x7f3b956fb9a0, 24 [pid 22277] <... clone3 resumed> => {parent_tid=[21868]}, 88) = 21868 [pid 22278] <... set_robust_list resumed>) = 0 [pid 22277] rt_sigprocmask(SIG_SETMASK, [], [pid 22278] rt_sigprocmask(SIG_SETMASK, [], [pid 22277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22277] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22277] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22278] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22277] <... futex resumed>) = 0 [pid 22278] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22277] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22277] <... futex resumed>) = 0 [pid 22278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22277] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22278] <... bpf resumed>) = 4 [pid 22278] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22277] <... futex resumed>) = 0 [pid 22278] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22277] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22277] <... futex resumed>) = 0 [pid 22277] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22278] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22277] <... futex resumed>) = 0 [pid 22277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22278] <... bpf resumed>) = 0 [pid 22277] <... mmap resumed>) = 0x7f3b956ba000 [pid 22277] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22278] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22277] <... mprotect resumed>) = 0 [pid 22278] <... futex resumed>) = 0 [pid 22277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22278] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22279 attached [pid 22279] set_robust_list(0x7f3b956da9a0, 24 [pid 22277] <... clone3 resumed> => {parent_tid=[21869]}, 88) = 21869 [pid 22279] <... set_robust_list resumed>) = 0 [pid 22277] rt_sigprocmask(SIG_SETMASK, [], [pid 22279] rt_sigprocmask(SIG_SETMASK, [], [pid 22277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22277] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22277] <... futex resumed>) = 0 [pid 22277] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22279] <... bpf resumed>) = 5 [pid 22279] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22277] <... futex resumed>) = 0 [pid 22279] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22277] close(3) = 0 [pid 22277] close(4) = 0 [pid 22277] close(5) = 0 [pid 22277] close(6) = -1 EBADF (Bad file descriptor) [pid 22277] close(7) = -1 EBADF (Bad file descriptor) [pid 22277] close(8) = -1 EBADF (Bad file descriptor) [pid 22277] close(9) = -1 EBADF (Bad file descriptor) [pid 22277] close(10) = -1 EBADF (Bad file descriptor) [pid 22277] close(11) = -1 EBADF (Bad file descriptor) [pid 22277] close(12) = -1 EBADF (Bad file descriptor) [pid 22277] close(13) = -1 EBADF (Bad file descriptor) [pid 22277] close(14) = -1 EBADF (Bad file descriptor) [pid 22277] close(15) = -1 EBADF (Bad file descriptor) [pid 22277] close(16) = -1 EBADF (Bad file descriptor) [pid 22277] close(17) = -1 EBADF (Bad file descriptor) [pid 22277] close(18) = -1 EBADF (Bad file descriptor) [pid 22277] close(19) = -1 EBADF (Bad file descriptor) [pid 22277] close(20) = -1 EBADF (Bad file descriptor) [pid 22277] close(21) = -1 EBADF (Bad file descriptor) [pid 22277] close(22) = -1 EBADF (Bad file descriptor) [pid 22277] close(23) = -1 EBADF (Bad file descriptor) [pid 22277] close(24) = -1 EBADF (Bad file descriptor) [pid 22277] close(25) = -1 EBADF (Bad file descriptor) [pid 22277] close(26) = -1 EBADF (Bad file descriptor) [pid 22277] close(27) = -1 EBADF (Bad file descriptor) [pid 22277] close(28) = -1 EBADF (Bad file descriptor) [pid 22277] close(29) = -1 EBADF (Bad file descriptor) [pid 22277] exit_group(0 [pid 22279] <... futex resumed>) = ? [pid 22278] <... futex resumed>) = ? [pid 22277] <... exit_group resumed>) = ? [pid 22279] +++ exited with 0 +++ [pid 22278] +++ exited with 0 +++ [pid 22277] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7556", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7556", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7556/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7556/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7556/cgroup.cpu") = 0 [pid 287] umount2("./7556/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7556/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7556/binderfs") = 0 [pid 287] umount2("./7556/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7556/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7556/cgroup") = 0 [pid 287] umount2("./7556/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7556/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7556/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7556") = 0 [pid 287] mkdir("./7557", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22280 attached [pid 22280] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22280] chdir("./7557" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21870 [pid 22280] <... chdir resumed>) = 0 [pid 22280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22280] setpgid(0, 0) = 0 [pid 22280] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22280] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22280] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22280] write(3, "1000", 4) = 4 [pid 22280] close(3) = 0 [pid 22280] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22280] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22280] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22280] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22280] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22281 attached => {parent_tid=[21871]}, 88) = 21871 [pid 22280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22280] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22280] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22281] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22281] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22281] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22280] <... futex resumed>) = 0 [pid 22280] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22280] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22281] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22280] <... futex resumed>) = 0 [pid 22280] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22280] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22280] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22281] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22282 attached [pid 22281] <... bpf resumed>) = 0 [pid 22282] set_robust_list(0x7f3b956da9a0, 24 [pid 22281] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22280] <... clone3 resumed> => {parent_tid=[21872]}, 88) = 21872 [pid 22282] <... set_robust_list resumed>) = 0 [pid 22281] <... futex resumed>) = 0 [pid 22280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22280] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22280] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22281] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22282] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22280] <... futex resumed>) = 0 [pid 22282] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22280] close(3) = 0 [pid 22280] close(4) = 0 [pid 22280] close(5) = 0 [pid 22280] close(6) = -1 EBADF (Bad file descriptor) [pid 22280] close(7) = -1 EBADF (Bad file descriptor) [pid 22280] close(8) = -1 EBADF (Bad file descriptor) [pid 22280] close(9) = -1 EBADF (Bad file descriptor) [pid 22280] close(10) = -1 EBADF (Bad file descriptor) [pid 22280] close(11) = -1 EBADF (Bad file descriptor) [pid 22280] close(12) = -1 EBADF (Bad file descriptor) [pid 22280] close(13) = -1 EBADF (Bad file descriptor) [pid 22280] close(14) = -1 EBADF (Bad file descriptor) [pid 22280] close(15) = -1 EBADF (Bad file descriptor) [pid 22280] close(16) = -1 EBADF (Bad file descriptor) [pid 22280] close(17) = -1 EBADF (Bad file descriptor) [pid 22280] close(18) = -1 EBADF (Bad file descriptor) [pid 22280] close(19) = -1 EBADF (Bad file descriptor) [pid 22280] close(20) = -1 EBADF (Bad file descriptor) [pid 22280] close(21) = -1 EBADF (Bad file descriptor) [pid 22280] close(22) = -1 EBADF (Bad file descriptor) [pid 22280] close(23) = -1 EBADF (Bad file descriptor) [pid 22280] close(24) = -1 EBADF (Bad file descriptor) [pid 22280] close(25) = -1 EBADF (Bad file descriptor) [pid 22280] close(26) = -1 EBADF (Bad file descriptor) [pid 22280] close(27) = -1 EBADF (Bad file descriptor) [pid 22280] close(28) = -1 EBADF (Bad file descriptor) [pid 22280] close(29) = -1 EBADF (Bad file descriptor) [pid 22280] exit_group(0) = ? [pid 22281] <... futex resumed>) = ? [pid 22282] <... futex resumed>) = ? [pid 22281] +++ exited with 0 +++ [pid 22282] +++ exited with 0 +++ [pid 22280] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21870, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7557", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7557", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7557/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7557/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7557/cgroup.cpu") = 0 [pid 287] umount2("./7557/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7557/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7557/binderfs") = 0 [pid 287] umount2("./7557/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7557/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7557/cgroup") = 0 [pid 287] umount2("./7557/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7557/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7557/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7557") = 0 [pid 287] mkdir("./7558", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22283 attached [pid 22283] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22283] chdir("./7558") = 0 [pid 22283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21873 [pid 22283] <... prctl resumed>) = 0 [pid 22283] setpgid(0, 0) = 0 [pid 22283] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22283] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22283] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22283] write(3, "1000", 4) = 4 [pid 22283] close(3) = 0 [pid 22283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22283] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22283] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22283] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22284 attached [pid 22284] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22284] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22283] <... clone3 resumed> => {parent_tid=[21874]}, 88) = 21874 [pid 22283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22283] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22284] <... futex resumed>) = 0 [pid 22283] <... futex resumed>) = 1 [pid 22284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22283] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22284] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22284] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22283] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22284] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22283] <... futex resumed>) = 0 [pid 22284] <... bpf resumed>) = 4 [pid 22284] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22283] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22284] <... futex resumed>) = 0 [pid 22283] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22284] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22283] <... futex resumed>) = 0 [pid 22284] <... bpf resumed>) = 0 [pid 22283] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22284] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22283] <... futex resumed>) = 0 [pid 22284] <... futex resumed>) = 0 [pid 22284] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22283] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22285 attached [pid 22285] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22283] <... clone3 resumed> => {parent_tid=[21875]}, 88) = 21875 [pid 22285] rt_sigprocmask(SIG_SETMASK, [], [pid 22283] rt_sigprocmask(SIG_SETMASK, [], [pid 22285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22285] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22283] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22283] <... futex resumed>) = 0 [pid 22285] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22283] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22285] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22285] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22283] close(3) = 0 [pid 22283] close(4) = 0 [pid 22283] close(5) = 0 [pid 22283] close(6) = -1 EBADF (Bad file descriptor) [pid 22283] close(7) = -1 EBADF (Bad file descriptor) [pid 22283] close(8) = -1 EBADF (Bad file descriptor) [pid 22283] close(9) = -1 EBADF (Bad file descriptor) [pid 22283] close(10) = -1 EBADF (Bad file descriptor) [pid 22283] close(11) = -1 EBADF (Bad file descriptor) [pid 22283] close(12) = -1 EBADF (Bad file descriptor) [pid 22283] close(13) = -1 EBADF (Bad file descriptor) [pid 22283] close(14) = -1 EBADF (Bad file descriptor) [pid 22283] close(15) = -1 EBADF (Bad file descriptor) [pid 22283] close(16) = -1 EBADF (Bad file descriptor) [pid 22283] close(17) = -1 EBADF (Bad file descriptor) [pid 22283] close(18) = -1 EBADF (Bad file descriptor) [pid 22283] close(19) = -1 EBADF (Bad file descriptor) [pid 22283] close(20) = -1 EBADF (Bad file descriptor) [pid 22283] close(21) = -1 EBADF (Bad file descriptor) [pid 22283] close(22) = -1 EBADF (Bad file descriptor) [pid 22283] close(23) = -1 EBADF (Bad file descriptor) [pid 22283] close(24) = -1 EBADF (Bad file descriptor) [pid 22283] close(25) = -1 EBADF (Bad file descriptor) [pid 22283] close(26) = -1 EBADF (Bad file descriptor) [pid 22283] close(27) = -1 EBADF (Bad file descriptor) [pid 22283] close(28) = -1 EBADF (Bad file descriptor) [pid 22283] close(29) = -1 EBADF (Bad file descriptor) [pid 22283] exit_group(0 [pid 22285] <... futex resumed>) = ? [pid 22284] <... futex resumed>) = ? [pid 22283] <... exit_group resumed>) = ? [pid 22285] +++ exited with 0 +++ [pid 22284] +++ exited with 0 +++ [pid 22283] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7558", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7558", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7558/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7558/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7558/cgroup.cpu") = 0 [pid 287] umount2("./7558/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7558/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7558/binderfs") = 0 [pid 287] umount2("./7558/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7558/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7558/cgroup") = 0 [pid 287] umount2("./7558/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7558/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7558/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7558") = 0 [pid 287] mkdir("./7559", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21876 ./strace-static-x86_64: Process 22286 attached [pid 22286] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22286] chdir("./7559") = 0 [pid 22286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22286] setpgid(0, 0) = 0 [pid 22286] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22286] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22286] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22286] write(3, "1000", 4) = 4 [pid 22286] close(3) = 0 [pid 22286] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22286] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22286] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22286] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22287 attached [pid 22287] set_robust_list(0x7f3b956fb9a0, 24 [pid 22286] <... clone3 resumed> => {parent_tid=[21877]}, 88) = 21877 [pid 22287] <... set_robust_list resumed>) = 0 [pid 22286] rt_sigprocmask(SIG_SETMASK, [], [pid 22287] rt_sigprocmask(SIG_SETMASK, [], [pid 22286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22287] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22286] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22287] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22286] <... futex resumed>) = 0 [pid 22287] <... bpf resumed>) = 3 [pid 22287] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22286] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22287] <... futex resumed>) = 0 [pid 22287] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22286] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22287] <... futex resumed>) = 0 [pid 22286] <... futex resumed>) = 1 [pid 22287] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22286] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22287] <... bpf resumed>) = 4 [pid 22287] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22287] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22286] <... futex resumed>) = 0 [pid 22286] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22287] <... futex resumed>) = 0 [pid 22286] <... futex resumed>) = 1 [pid 22287] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22286] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22287] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22286] <... futex resumed>) = 0 [pid 22287] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22286] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22288 attached [pid 22288] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22288] rt_sigprocmask(SIG_SETMASK, [], [pid 22286] <... clone3 resumed> => {parent_tid=[21878]}, 88) = 21878 [pid 22288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22288] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22286] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22288] <... futex resumed>) = 0 [pid 22286] <... futex resumed>) = 1 [pid 22288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22286] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22288] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22288] <... futex resumed>) = 0 [pid 22288] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22286] close(3) = 0 [pid 22286] close(4) = 0 [pid 22286] close(5) = 0 [pid 22286] close(6) = -1 EBADF (Bad file descriptor) [pid 22286] close(7) = -1 EBADF (Bad file descriptor) [pid 22286] close(8) = -1 EBADF (Bad file descriptor) [pid 22286] close(9) = -1 EBADF (Bad file descriptor) [pid 22286] close(10) = -1 EBADF (Bad file descriptor) [pid 22286] close(11) = -1 EBADF (Bad file descriptor) [pid 22286] close(12) = -1 EBADF (Bad file descriptor) [pid 22286] close(13) = -1 EBADF (Bad file descriptor) [pid 22286] close(14) = -1 EBADF (Bad file descriptor) [pid 22286] close(15) = -1 EBADF (Bad file descriptor) [pid 22286] close(16) = -1 EBADF (Bad file descriptor) [pid 22286] close(17) = -1 EBADF (Bad file descriptor) [pid 22286] close(18) = -1 EBADF (Bad file descriptor) [pid 22286] close(19) = -1 EBADF (Bad file descriptor) [pid 22286] close(20) = -1 EBADF (Bad file descriptor) [pid 22286] close(21) = -1 EBADF (Bad file descriptor) [pid 22286] close(22) = -1 EBADF (Bad file descriptor) [pid 22286] close(23) = -1 EBADF (Bad file descriptor) [pid 22286] close(24) = -1 EBADF (Bad file descriptor) [pid 22286] close(25) = -1 EBADF (Bad file descriptor) [pid 22286] close(26) = -1 EBADF (Bad file descriptor) [pid 22286] close(27) = -1 EBADF (Bad file descriptor) [pid 22286] close(28) = -1 EBADF (Bad file descriptor) [pid 22286] close(29) = -1 EBADF (Bad file descriptor) [pid 22286] exit_group(0 [pid 22288] <... futex resumed>) = ? [pid 22287] <... futex resumed>) = ? [pid 22286] <... exit_group resumed>) = ? [pid 22288] +++ exited with 0 +++ [pid 22287] +++ exited with 0 +++ [pid 22286] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7559", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7559", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7559/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7559/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7559/cgroup.cpu") = 0 [pid 287] umount2("./7559/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7559/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7559/binderfs") = 0 [pid 287] umount2("./7559/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7559/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7559/cgroup") = 0 [pid 287] umount2("./7559/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7559/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7559/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7559") = 0 [pid 287] mkdir("./7560", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22289 attached [pid 22289] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22289] chdir("./7560") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21879 [pid 22289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22289] setpgid(0, 0) = 0 [pid 22289] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22289] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22289] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22289] write(3, "1000", 4) = 4 [pid 22289] close(3) = 0 [pid 22289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22289] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22289] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22289] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[21880]}, 88) = 21880 ./strace-static-x86_64: Process 22290 attached [pid 22289] rt_sigprocmask(SIG_SETMASK, [], [pid 22290] set_robust_list(0x7f3b956fb9a0, 24 [pid 22289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22290] <... set_robust_list resumed>) = 0 [pid 22289] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22290] rt_sigprocmask(SIG_SETMASK, [], [pid 22289] <... futex resumed>) = 0 [pid 22290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22289] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22290] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22289] <... futex resumed>) = 0 [pid 22290] <... futex resumed>) = 1 [pid 22289] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22290] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22289] <... futex resumed>) = 0 [pid 22289] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22290] <... bpf resumed>) = 4 [pid 22290] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22289] <... futex resumed>) = 0 [pid 22290] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22289] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22289] <... futex resumed>) = 0 [pid 22290] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22289] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22290] <... bpf resumed>) = 0 [pid 22289] <... mmap resumed>) = 0x7f3b956ba000 [pid 22290] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22289] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22290] <... futex resumed>) = 0 [pid 22289] <... mprotect resumed>) = 0 [pid 22290] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22291 attached => {parent_tid=[21881]}, 88) = 21881 [pid 22291] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22289] rt_sigprocmask(SIG_SETMASK, [], [pid 22291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22291] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22289] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22291] <... futex resumed>) = 0 [pid 22289] <... futex resumed>) = 1 [pid 22291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22289] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22291] <... bpf resumed>) = 5 [pid 22291] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22289] <... futex resumed>) = 0 [pid 22291] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22289] close(3) = 0 [pid 22289] close(4) = 0 [pid 22289] close(5) = 0 [pid 22289] close(6) = -1 EBADF (Bad file descriptor) [pid 22289] close(7) = -1 EBADF (Bad file descriptor) [pid 22289] close(8) = -1 EBADF (Bad file descriptor) [pid 22289] close(9) = -1 EBADF (Bad file descriptor) [pid 22289] close(10) = -1 EBADF (Bad file descriptor) [pid 22289] close(11) = -1 EBADF (Bad file descriptor) [pid 22289] close(12) = -1 EBADF (Bad file descriptor) [pid 22289] close(13) = -1 EBADF (Bad file descriptor) [pid 22289] close(14) = -1 EBADF (Bad file descriptor) [pid 22289] close(15) = -1 EBADF (Bad file descriptor) [pid 22289] close(16) = -1 EBADF (Bad file descriptor) [pid 22289] close(17) = -1 EBADF (Bad file descriptor) [pid 22289] close(18) = -1 EBADF (Bad file descriptor) [pid 22289] close(19) = -1 EBADF (Bad file descriptor) [pid 22289] close(20) = -1 EBADF (Bad file descriptor) [pid 22289] close(21) = -1 EBADF (Bad file descriptor) [pid 22289] close(22) = -1 EBADF (Bad file descriptor) [pid 22289] close(23) = -1 EBADF (Bad file descriptor) [pid 22289] close(24) = -1 EBADF (Bad file descriptor) [pid 22289] close(25) = -1 EBADF (Bad file descriptor) [pid 22289] close(26) = -1 EBADF (Bad file descriptor) [pid 22289] close(27) = -1 EBADF (Bad file descriptor) [pid 22289] close(28) = -1 EBADF (Bad file descriptor) [pid 22289] close(29) = -1 EBADF (Bad file descriptor) [pid 22289] exit_group(0 [pid 22291] <... futex resumed>) = ? [pid 22290] <... futex resumed>) = ? [pid 22289] <... exit_group resumed>) = ? [pid 22291] +++ exited with 0 +++ [pid 22290] +++ exited with 0 +++ [pid 22289] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7560", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7560", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7560/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7560/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7560/cgroup.cpu") = 0 [pid 287] umount2("./7560/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7560/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7560/binderfs") = 0 [pid 287] umount2("./7560/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7560/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7560/cgroup") = 0 [pid 287] umount2("./7560/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7560/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7560/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7560") = 0 [pid 287] mkdir("./7561", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22292 attached [pid 22292] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22292] chdir("./7561" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21882 [pid 22292] <... chdir resumed>) = 0 [pid 22292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22292] setpgid(0, 0) = 0 [pid 22292] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22292] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22292] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22292] write(3, "1000", 4) = 4 [pid 22292] close(3) = 0 [pid 22292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22292] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22292] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22292] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22293 attached => {parent_tid=[21883]}, 88) = 21883 [pid 22293] set_robust_list(0x7f3b956fb9a0, 24 [pid 22292] rt_sigprocmask(SIG_SETMASK, [], [pid 22293] <... set_robust_list resumed>) = 0 [pid 22292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22293] rt_sigprocmask(SIG_SETMASK, [], [pid 22292] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22292] <... futex resumed>) = 0 [pid 22292] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22293] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22292] <... futex resumed>) = 0 [pid 22293] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22292] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22292] <... futex resumed>) = 0 [pid 22293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22292] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22293] <... bpf resumed>) = 4 [pid 22293] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22292] <... futex resumed>) = 0 [pid 22293] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22292] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22292] <... futex resumed>) = 0 [pid 22293] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22292] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22293] <... bpf resumed>) = 0 [pid 22292] <... mmap resumed>) = 0x7f3b956ba000 [pid 22293] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22292] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22293] <... futex resumed>) = 0 [pid 22292] <... mprotect resumed>) = 0 [pid 22293] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22294 attached => {parent_tid=[21884]}, 88) = 21884 [pid 22294] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22292] rt_sigprocmask(SIG_SETMASK, [], [pid 22294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22294] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22292] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22294] <... futex resumed>) = 0 [pid 22292] <... futex resumed>) = 1 [pid 22294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22292] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22294] <... bpf resumed>) = 5 [pid 22294] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22292] <... futex resumed>) = 0 [pid 22294] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22292] close(3) = 0 [pid 22292] close(4) = 0 [pid 22292] close(5) = 0 [pid 22292] close(6) = -1 EBADF (Bad file descriptor) [pid 22292] close(7) = -1 EBADF (Bad file descriptor) [pid 22292] close(8) = -1 EBADF (Bad file descriptor) [pid 22292] close(9) = -1 EBADF (Bad file descriptor) [pid 22292] close(10) = -1 EBADF (Bad file descriptor) [pid 22292] close(11) = -1 EBADF (Bad file descriptor) [pid 22292] close(12) = -1 EBADF (Bad file descriptor) [pid 22292] close(13) = -1 EBADF (Bad file descriptor) [pid 22292] close(14) = -1 EBADF (Bad file descriptor) [pid 22292] close(15) = -1 EBADF (Bad file descriptor) [pid 22292] close(16) = -1 EBADF (Bad file descriptor) [pid 22292] close(17) = -1 EBADF (Bad file descriptor) [pid 22292] close(18) = -1 EBADF (Bad file descriptor) [pid 22292] close(19) = -1 EBADF (Bad file descriptor) [pid 22292] close(20) = -1 EBADF (Bad file descriptor) [pid 22292] close(21) = -1 EBADF (Bad file descriptor) [pid 22292] close(22) = -1 EBADF (Bad file descriptor) [pid 22292] close(23) = -1 EBADF (Bad file descriptor) [pid 22292] close(24) = -1 EBADF (Bad file descriptor) [pid 22292] close(25) = -1 EBADF (Bad file descriptor) [pid 22292] close(26) = -1 EBADF (Bad file descriptor) [pid 22292] close(27) = -1 EBADF (Bad file descriptor) [pid 22292] close(28) = -1 EBADF (Bad file descriptor) [pid 22292] close(29) = -1 EBADF (Bad file descriptor) [pid 22292] exit_group(0 [pid 22294] <... futex resumed>) = ? [pid 22293] <... futex resumed>) = ? [pid 22292] <... exit_group resumed>) = ? [pid 22294] +++ exited with 0 +++ [pid 22293] +++ exited with 0 +++ [pid 22292] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7561", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7561", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7561/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7561/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7561/cgroup.cpu") = 0 [pid 287] umount2("./7561/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7561/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7561/binderfs") = 0 [pid 287] umount2("./7561/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7561/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7561/cgroup") = 0 [pid 287] umount2("./7561/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7561/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7561/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7561") = 0 [pid 287] mkdir("./7562", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22295 attached [pid 22295] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22295] chdir("./7562") = 0 [pid 22295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21885 [pid 22295] <... prctl resumed>) = 0 [pid 22295] setpgid(0, 0) = 0 [pid 22295] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22295] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22295] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22295] write(3, "1000", 4) = 4 [pid 22295] close(3) = 0 [pid 22295] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22295] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22295] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22295] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22296 attached => {parent_tid=[21886]}, 88) = 21886 [pid 22296] set_robust_list(0x7f3b956fb9a0, 24 [pid 22295] rt_sigprocmask(SIG_SETMASK, [], [pid 22296] <... set_robust_list resumed>) = 0 [pid 22295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22296] rt_sigprocmask(SIG_SETMASK, [], [pid 22295] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22295] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22296] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22295] <... futex resumed>) = 0 [pid 22295] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22295] <... futex resumed>) = 0 [pid 22295] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22296] <... bpf resumed>) = 4 [pid 22296] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22295] <... futex resumed>) = 0 [pid 22296] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22295] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22295] <... futex resumed>) = 0 [pid 22296] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22295] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22296] <... bpf resumed>) = 0 [pid 22295] <... futex resumed>) = 0 [pid 22296] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22296] <... futex resumed>) = 0 [pid 22295] <... mmap resumed>) = 0x7f3b956ba000 [pid 22296] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22295] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22297 attached => {parent_tid=[21887]}, 88) = 21887 [pid 22295] rt_sigprocmask(SIG_SETMASK, [], [pid 22297] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22295] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22295] <... futex resumed>) = 0 [pid 22295] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22297] <... bpf resumed>) = 5 [pid 22297] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22295] <... futex resumed>) = 0 [pid 22297] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22295] close(3) = 0 [pid 22295] close(4) = 0 [pid 22295] close(5) = 0 [pid 22295] close(6) = -1 EBADF (Bad file descriptor) [pid 22295] close(7) = -1 EBADF (Bad file descriptor) [pid 22295] close(8) = -1 EBADF (Bad file descriptor) [pid 22295] close(9) = -1 EBADF (Bad file descriptor) [pid 22295] close(10) = -1 EBADF (Bad file descriptor) [pid 22295] close(11) = -1 EBADF (Bad file descriptor) [pid 22295] close(12) = -1 EBADF (Bad file descriptor) [pid 22295] close(13) = -1 EBADF (Bad file descriptor) [pid 22295] close(14) = -1 EBADF (Bad file descriptor) [pid 22295] close(15) = -1 EBADF (Bad file descriptor) [pid 22295] close(16) = -1 EBADF (Bad file descriptor) [pid 22295] close(17) = -1 EBADF (Bad file descriptor) [pid 22295] close(18) = -1 EBADF (Bad file descriptor) [pid 22295] close(19) = -1 EBADF (Bad file descriptor) [pid 22295] close(20) = -1 EBADF (Bad file descriptor) [pid 22295] close(21) = -1 EBADF (Bad file descriptor) [pid 22295] close(22) = -1 EBADF (Bad file descriptor) [pid 22295] close(23) = -1 EBADF (Bad file descriptor) [pid 22295] close(24) = -1 EBADF (Bad file descriptor) [pid 22295] close(25) = -1 EBADF (Bad file descriptor) [pid 22295] close(26) = -1 EBADF (Bad file descriptor) [pid 22295] close(27) = -1 EBADF (Bad file descriptor) [pid 22295] close(28) = -1 EBADF (Bad file descriptor) [pid 22295] close(29) = -1 EBADF (Bad file descriptor) [pid 22295] exit_group(0 [pid 22297] <... futex resumed>) = ? [pid 22296] <... futex resumed>) = ? [pid 22295] <... exit_group resumed>) = ? [pid 22297] +++ exited with 0 +++ [pid 22296] +++ exited with 0 +++ [pid 22295] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7562", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7562", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7562/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7562/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7562/cgroup.cpu") = 0 [pid 287] umount2("./7562/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7562/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7562/binderfs") = 0 [pid 287] umount2("./7562/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7562/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7562/cgroup") = 0 [pid 287] umount2("./7562/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7562/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7562/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7562") = 0 [pid 287] mkdir("./7563", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22298 attached [pid 22298] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21888 [pid 22298] chdir("./7563") = 0 [pid 22298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22298] setpgid(0, 0) = 0 [pid 22298] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22298] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22298] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22298] write(3, "1000", 4) = 4 [pid 22298] close(3) = 0 [pid 22298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22298] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22298] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22298] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22299 attached => {parent_tid=[21889]}, 88) = 21889 [pid 22299] set_robust_list(0x7f3b956fb9a0, 24 [pid 22298] rt_sigprocmask(SIG_SETMASK, [], [pid 22299] <... set_robust_list resumed>) = 0 [pid 22298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22299] rt_sigprocmask(SIG_SETMASK, [], [pid 22298] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22298] <... futex resumed>) = 0 [pid 22298] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22299] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22298] <... futex resumed>) = 0 [pid 22299] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22298] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22298] <... futex resumed>) = 0 [pid 22299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22298] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22299] <... bpf resumed>) = 4 [pid 22299] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22298] <... futex resumed>) = 0 [pid 22299] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22298] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22298] <... futex resumed>) = 0 [pid 22299] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22298] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22299] <... bpf resumed>) = 0 [pid 22298] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22299] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22298] <... mprotect resumed>) = 0 [pid 22299] <... futex resumed>) = 0 [pid 22298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22299] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22300 attached [pid 22300] set_robust_list(0x7f3b956da9a0, 24 [pid 22298] <... clone3 resumed> => {parent_tid=[21890]}, 88) = 21890 [pid 22300] <... set_robust_list resumed>) = 0 [pid 22298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22300] rt_sigprocmask(SIG_SETMASK, [], [pid 22298] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22298] <... futex resumed>) = 0 [pid 22298] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22300] <... bpf resumed>) = 5 [pid 22300] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22298] <... futex resumed>) = 0 [pid 22300] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22298] close(3) = 0 [pid 22298] close(4) = 0 [pid 22298] close(5) = 0 [pid 22298] close(6) = -1 EBADF (Bad file descriptor) [pid 22298] close(7) = -1 EBADF (Bad file descriptor) [pid 22298] close(8) = -1 EBADF (Bad file descriptor) [pid 22298] close(9) = -1 EBADF (Bad file descriptor) [pid 22298] close(10) = -1 EBADF (Bad file descriptor) [pid 22298] close(11) = -1 EBADF (Bad file descriptor) [pid 22298] close(12) = -1 EBADF (Bad file descriptor) [pid 22298] close(13) = -1 EBADF (Bad file descriptor) [pid 22298] close(14) = -1 EBADF (Bad file descriptor) [pid 22298] close(15) = -1 EBADF (Bad file descriptor) [pid 22298] close(16) = -1 EBADF (Bad file descriptor) [pid 22298] close(17) = -1 EBADF (Bad file descriptor) [pid 22298] close(18) = -1 EBADF (Bad file descriptor) [pid 22298] close(19) = -1 EBADF (Bad file descriptor) [pid 22298] close(20) = -1 EBADF (Bad file descriptor) [pid 22298] close(21) = -1 EBADF (Bad file descriptor) [pid 22298] close(22) = -1 EBADF (Bad file descriptor) [pid 22298] close(23) = -1 EBADF (Bad file descriptor) [pid 22298] close(24) = -1 EBADF (Bad file descriptor) [pid 22298] close(25) = -1 EBADF (Bad file descriptor) [pid 22298] close(26) = -1 EBADF (Bad file descriptor) [pid 22298] close(27) = -1 EBADF (Bad file descriptor) [pid 22298] close(28) = -1 EBADF (Bad file descriptor) [pid 22298] close(29) = -1 EBADF (Bad file descriptor) [pid 22298] exit_group(0 [pid 22300] <... futex resumed>) = ? [pid 22299] <... futex resumed>) = ? [pid 22298] <... exit_group resumed>) = ? [pid 22300] +++ exited with 0 +++ [pid 22299] +++ exited with 0 +++ [pid 22298] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7563", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7563", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7563/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7563/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7563/cgroup.cpu") = 0 [pid 287] umount2("./7563/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7563/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7563/binderfs") = 0 [pid 287] umount2("./7563/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7563/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7563/cgroup") = 0 [pid 287] umount2("./7563/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7563/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7563/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7563") = 0 [pid 287] mkdir("./7564", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22301 attached [pid 22301] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22301] chdir("./7564") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21891 [pid 22301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22301] setpgid(0, 0) = 0 [pid 22301] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22301] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22301] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22301] write(3, "1000", 4) = 4 [pid 22301] close(3) = 0 [pid 22301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22301] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22301] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22301] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22302 attached [pid 22302] set_robust_list(0x7f3b956fb9a0, 24 [pid 22301] <... clone3 resumed> => {parent_tid=[21892]}, 88) = 21892 [pid 22302] <... set_robust_list resumed>) = 0 [pid 22301] rt_sigprocmask(SIG_SETMASK, [], [pid 22302] rt_sigprocmask(SIG_SETMASK, [], [pid 22301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22301] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22301] <... futex resumed>) = 0 [pid 22302] <... bpf resumed>) = 3 [pid 22301] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22302] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22302] <... futex resumed>) = 0 [pid 22301] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22301] <... futex resumed>) = 0 [pid 22302] <... bpf resumed>) = 4 [pid 22301] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22302] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22302] <... futex resumed>) = 0 [pid 22301] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22302] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22301] <... futex resumed>) = 0 [pid 22302] <... bpf resumed>) = 0 [pid 22301] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22302] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22301] <... futex resumed>) = 0 [pid 22302] <... futex resumed>) = 0 [pid 22301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22302] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22301] <... mmap resumed>) = 0x7f3b956ba000 [pid 22301] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22303 attached => {parent_tid=[21893]}, 88) = 21893 [pid 22301] rt_sigprocmask(SIG_SETMASK, [], [pid 22303] set_robust_list(0x7f3b956da9a0, 24 [pid 22301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22303] <... set_robust_list resumed>) = 0 [pid 22303] rt_sigprocmask(SIG_SETMASK, [], [pid 22301] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22301] <... futex resumed>) = 0 [pid 22301] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22303] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22301] <... futex resumed>) = 0 [pid 22303] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22301] close(3) = 0 [pid 22301] close(4) = 0 [pid 22301] close(5) = 0 [pid 22301] close(6) = -1 EBADF (Bad file descriptor) [pid 22301] close(7) = -1 EBADF (Bad file descriptor) [pid 22301] close(8) = -1 EBADF (Bad file descriptor) [pid 22301] close(9) = -1 EBADF (Bad file descriptor) [pid 22301] close(10) = -1 EBADF (Bad file descriptor) [pid 22301] close(11) = -1 EBADF (Bad file descriptor) [pid 22301] close(12) = -1 EBADF (Bad file descriptor) [pid 22301] close(13) = -1 EBADF (Bad file descriptor) [pid 22301] close(14) = -1 EBADF (Bad file descriptor) [pid 22301] close(15) = -1 EBADF (Bad file descriptor) [pid 22301] close(16) = -1 EBADF (Bad file descriptor) [pid 22301] close(17) = -1 EBADF (Bad file descriptor) [pid 22301] close(18) = -1 EBADF (Bad file descriptor) [pid 22301] close(19) = -1 EBADF (Bad file descriptor) [pid 22301] close(20) = -1 EBADF (Bad file descriptor) [pid 22301] close(21) = -1 EBADF (Bad file descriptor) [pid 22301] close(22) = -1 EBADF (Bad file descriptor) [pid 22301] close(23) = -1 EBADF (Bad file descriptor) [pid 22301] close(24) = -1 EBADF (Bad file descriptor) [pid 22301] close(25) = -1 EBADF (Bad file descriptor) [pid 22301] close(26) = -1 EBADF (Bad file descriptor) [pid 22301] close(27) = -1 EBADF (Bad file descriptor) [pid 22301] close(28) = -1 EBADF (Bad file descriptor) [pid 22301] close(29) = -1 EBADF (Bad file descriptor) [pid 22301] exit_group(0 [pid 22303] <... futex resumed>) = ? [pid 22302] <... futex resumed>) = ? [pid 22301] <... exit_group resumed>) = ? [pid 22303] +++ exited with 0 +++ [pid 22302] +++ exited with 0 +++ [pid 22301] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7564", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7564", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7564/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7564/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7564/cgroup.cpu") = 0 [pid 287] umount2("./7564/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7564/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7564/binderfs") = 0 [pid 287] umount2("./7564/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7564/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7564/cgroup") = 0 [pid 287] umount2("./7564/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7564/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7564/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7564") = 0 [pid 287] mkdir("./7565", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22304 attached [pid 22304] set_robust_list(0x555555ae16a0, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21894 [pid 22304] <... set_robust_list resumed>) = 0 [pid 22304] chdir("./7565") = 0 [pid 22304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22304] setpgid(0, 0) = 0 [pid 22304] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22304] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22304] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22304] write(3, "1000", 4) = 4 [pid 22304] close(3) = 0 [pid 22304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22304] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22304] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22304] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[21895]}, 88) = 21895 ./strace-static-x86_64: Process 22305 attached [pid 22304] rt_sigprocmask(SIG_SETMASK, [], [pid 22305] set_robust_list(0x7f3b956fb9a0, 24 [pid 22304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22304] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22305] <... set_robust_list resumed>) = 0 [pid 22304] <... futex resumed>) = 0 [pid 22305] rt_sigprocmask(SIG_SETMASK, [], [pid 22304] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22305] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22304] <... futex resumed>) = 0 [pid 22305] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22304] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22304] <... futex resumed>) = 0 [pid 22305] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22304] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22305] <... bpf resumed>) = 4 [pid 22305] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22304] <... futex resumed>) = 0 [pid 22305] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22304] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22304] <... futex resumed>) = 0 [pid 22305] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22304] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22304] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22305] <... bpf resumed>) = 0 [pid 22304] <... mprotect resumed>) = 0 [pid 22305] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22305] <... futex resumed>) = 0 [pid 22304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22306 attached [pid 22305] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22306] set_robust_list(0x7f3b956da9a0, 24 [pid 22304] <... clone3 resumed> => {parent_tid=[21896]}, 88) = 21896 [pid 22306] <... set_robust_list resumed>) = 0 [pid 22306] rt_sigprocmask(SIG_SETMASK, [], [pid 22304] rt_sigprocmask(SIG_SETMASK, [], [pid 22306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22304] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22304] <... futex resumed>) = 0 [pid 22304] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22306] <... bpf resumed>) = 5 [pid 22306] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22304] <... futex resumed>) = 0 [pid 22306] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22304] close(3) = 0 [pid 22304] close(4) = 0 [pid 22304] close(5) = 0 [pid 22304] close(6) = -1 EBADF (Bad file descriptor) [pid 22304] close(7) = -1 EBADF (Bad file descriptor) [pid 22304] close(8) = -1 EBADF (Bad file descriptor) [pid 22304] close(9) = -1 EBADF (Bad file descriptor) [pid 22304] close(10) = -1 EBADF (Bad file descriptor) [pid 22304] close(11) = -1 EBADF (Bad file descriptor) [pid 22304] close(12) = -1 EBADF (Bad file descriptor) [pid 22304] close(13) = -1 EBADF (Bad file descriptor) [pid 22304] close(14) = -1 EBADF (Bad file descriptor) [pid 22304] close(15) = -1 EBADF (Bad file descriptor) [pid 22304] close(16) = -1 EBADF (Bad file descriptor) [pid 22304] close(17) = -1 EBADF (Bad file descriptor) [pid 22304] close(18) = -1 EBADF (Bad file descriptor) [pid 22304] close(19) = -1 EBADF (Bad file descriptor) [pid 22304] close(20) = -1 EBADF (Bad file descriptor) [pid 22304] close(21) = -1 EBADF (Bad file descriptor) [pid 22304] close(22) = -1 EBADF (Bad file descriptor) [pid 22304] close(23) = -1 EBADF (Bad file descriptor) [pid 22304] close(24) = -1 EBADF (Bad file descriptor) [pid 22304] close(25) = -1 EBADF (Bad file descriptor) [pid 22304] close(26) = -1 EBADF (Bad file descriptor) [pid 22304] close(27) = -1 EBADF (Bad file descriptor) [pid 22304] close(28) = -1 EBADF (Bad file descriptor) [pid 22304] close(29) = -1 EBADF (Bad file descriptor) [pid 22304] exit_group(0 [pid 22305] <... futex resumed>) = ? [pid 22304] <... exit_group resumed>) = ? [pid 22306] <... futex resumed>) = ? [pid 22305] +++ exited with 0 +++ [pid 22306] +++ exited with 0 +++ [pid 22304] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7565", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7565", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7565/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7565/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7565/cgroup.cpu") = 0 [pid 287] umount2("./7565/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7565/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7565/binderfs") = 0 [pid 287] umount2("./7565/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7565/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7565/cgroup") = 0 [pid 287] umount2("./7565/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7565/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7565/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7565") = 0 [pid 287] mkdir("./7566", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22307 attached , child_tidptr=0x555555ae1690) = 21897 [pid 22307] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22307] chdir("./7566") = 0 [pid 22307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22307] setpgid(0, 0) = 0 [pid 22307] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22307] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22307] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22307] write(3, "1000", 4) = 4 [pid 22307] close(3) = 0 [pid 22307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22307] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22307] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22307] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22308 attached [pid 22308] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22307] <... clone3 resumed> => {parent_tid=[21898]}, 88) = 21898 [pid 22308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22308] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22307] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22308] <... futex resumed>) = 0 [pid 22307] <... futex resumed>) = 1 [pid 22308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22307] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22308] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22307] <... futex resumed>) = 0 [pid 22307] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22307] <... futex resumed>) = 0 [pid 22308] <... bpf resumed>) = 4 [pid 22307] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22308] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22307] <... futex resumed>) = 0 [pid 22308] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22307] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22308] <... bpf resumed>) = 0 [pid 22308] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22307] <... futex resumed>) = 0 [pid 22308] <... futex resumed>) = 0 [pid 22307] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22307] <... futex resumed>) = 0 [pid 22308] <... bpf resumed>) = 5 [pid 22307] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22308] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22307] <... futex resumed>) = 0 [pid 22307] close(3 [pid 22308] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22307] <... close resumed>) = 0 [pid 22307] close(4) = 0 [pid 22307] close(5) = 0 [pid 22307] close(6) = -1 EBADF (Bad file descriptor) [pid 22307] close(7) = -1 EBADF (Bad file descriptor) [pid 22307] close(8) = -1 EBADF (Bad file descriptor) [pid 22307] close(9) = -1 EBADF (Bad file descriptor) [pid 22307] close(10) = -1 EBADF (Bad file descriptor) [pid 22307] close(11) = -1 EBADF (Bad file descriptor) [pid 22307] close(12) = -1 EBADF (Bad file descriptor) [pid 22307] close(13) = -1 EBADF (Bad file descriptor) [pid 22307] close(14) = -1 EBADF (Bad file descriptor) [pid 22307] close(15) = -1 EBADF (Bad file descriptor) [pid 22307] close(16) = -1 EBADF (Bad file descriptor) [pid 22307] close(17) = -1 EBADF (Bad file descriptor) [pid 22307] close(18) = -1 EBADF (Bad file descriptor) [pid 22307] close(19) = -1 EBADF (Bad file descriptor) [pid 22307] close(20) = -1 EBADF (Bad file descriptor) [pid 22307] close(21) = -1 EBADF (Bad file descriptor) [pid 22307] close(22) = -1 EBADF (Bad file descriptor) [pid 22307] close(23) = -1 EBADF (Bad file descriptor) [pid 22307] close(24) = -1 EBADF (Bad file descriptor) [pid 22307] close(25) = -1 EBADF (Bad file descriptor) [pid 22307] close(26) = -1 EBADF (Bad file descriptor) [pid 22307] close(27) = -1 EBADF (Bad file descriptor) [pid 22307] close(28) = -1 EBADF (Bad file descriptor) [pid 22307] close(29) = -1 EBADF (Bad file descriptor) [pid 22307] exit_group(0 [pid 22308] <... futex resumed>) = ? [pid 22307] <... exit_group resumed>) = ? [pid 22308] +++ exited with 0 +++ [pid 22307] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7566", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7566", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7566/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7566/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7566/cgroup.cpu") = 0 [pid 287] umount2("./7566/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7566/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7566/binderfs") = 0 [pid 287] umount2("./7566/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7566/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7566/cgroup") = 0 [pid 287] umount2("./7566/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7566/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7566/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7566") = 0 [pid 287] mkdir("./7567", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22309 attached [pid 22309] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22309] chdir("./7567") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21899 [pid 22309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22309] setpgid(0, 0) = 0 [pid 22309] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22309] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22309] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22309] write(3, "1000", 4) = 4 [pid 22309] close(3) = 0 [pid 22309] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22309] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22309] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22309] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22310 attached [pid 22310] set_robust_list(0x7f3b956fb9a0, 24 [pid 22309] <... clone3 resumed> => {parent_tid=[21900]}, 88) = 21900 [pid 22310] <... set_robust_list resumed>) = 0 [pid 22309] rt_sigprocmask(SIG_SETMASK, [], [pid 22310] rt_sigprocmask(SIG_SETMASK, [], [pid 22309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22309] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22309] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22310] <... bpf resumed>) = 3 [pid 22310] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22309] <... futex resumed>) = 0 [pid 22310] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22309] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22309] <... futex resumed>) = 0 [pid 22310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22309] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22310] <... bpf resumed>) = 4 [pid 22310] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22309] <... futex resumed>) = 0 [pid 22310] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22309] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22309] <... futex resumed>) = 0 [pid 22310] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22309] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22310] <... bpf resumed>) = 0 [pid 22309] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22310] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22309] <... mprotect resumed>) = 0 [pid 22310] <... futex resumed>) = 0 [pid 22309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22310] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22311 attached [pid 22311] set_robust_list(0x7f3b956da9a0, 24 [pid 22309] <... clone3 resumed> => {parent_tid=[21901]}, 88) = 21901 [pid 22311] <... set_robust_list resumed>) = 0 [pid 22309] rt_sigprocmask(SIG_SETMASK, [], [pid 22311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22311] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22309] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22311] <... futex resumed>) = 0 [pid 22309] <... futex resumed>) = 1 [pid 22311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22309] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22311] <... bpf resumed>) = 5 [pid 22311] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22309] <... futex resumed>) = 0 [pid 22311] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22309] close(3) = 0 [pid 22309] close(4) = 0 [pid 22309] close(5) = 0 [pid 22309] close(6) = -1 EBADF (Bad file descriptor) [pid 22309] close(7) = -1 EBADF (Bad file descriptor) [pid 22309] close(8) = -1 EBADF (Bad file descriptor) [pid 22309] close(9) = -1 EBADF (Bad file descriptor) [pid 22309] close(10) = -1 EBADF (Bad file descriptor) [pid 22309] close(11) = -1 EBADF (Bad file descriptor) [pid 22309] close(12) = -1 EBADF (Bad file descriptor) [pid 22309] close(13) = -1 EBADF (Bad file descriptor) [pid 22309] close(14) = -1 EBADF (Bad file descriptor) [pid 22309] close(15) = -1 EBADF (Bad file descriptor) [pid 22309] close(16) = -1 EBADF (Bad file descriptor) [pid 22309] close(17) = -1 EBADF (Bad file descriptor) [pid 22309] close(18) = -1 EBADF (Bad file descriptor) [pid 22309] close(19) = -1 EBADF (Bad file descriptor) [pid 22309] close(20) = -1 EBADF (Bad file descriptor) [pid 22309] close(21) = -1 EBADF (Bad file descriptor) [pid 22309] close(22) = -1 EBADF (Bad file descriptor) [pid 22309] close(23) = -1 EBADF (Bad file descriptor) [pid 22309] close(24) = -1 EBADF (Bad file descriptor) [pid 22309] close(25) = -1 EBADF (Bad file descriptor) [pid 22309] close(26) = -1 EBADF (Bad file descriptor) [pid 22309] close(27) = -1 EBADF (Bad file descriptor) [pid 22309] close(28) = -1 EBADF (Bad file descriptor) [pid 22309] close(29) = -1 EBADF (Bad file descriptor) [pid 22309] exit_group(0 [pid 22311] <... futex resumed>) = ? [pid 22310] <... futex resumed>) = ? [pid 22309] <... exit_group resumed>) = ? [pid 22311] +++ exited with 0 +++ [pid 22310] +++ exited with 0 +++ [pid 22309] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7567", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7567", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7567/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7567/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7567/cgroup.cpu") = 0 [pid 287] umount2("./7567/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7567/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7567/binderfs") = 0 [pid 287] umount2("./7567/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7567/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7567/cgroup") = 0 [pid 287] umount2("./7567/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7567/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7567/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7567") = 0 [pid 287] mkdir("./7568", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22312 attached [pid 22312] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21902 [pid 22312] chdir("./7568") = 0 [pid 22312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22312] setpgid(0, 0) = 0 [pid 22312] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22312] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22312] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22312] write(3, "1000", 4) = 4 [pid 22312] close(3) = 0 [pid 22312] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22312] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22312] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22312] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[21903]}, 88) = 21903 ./strace-static-x86_64: Process 22313 attached [pid 22312] rt_sigprocmask(SIG_SETMASK, [], [pid 22313] set_robust_list(0x7f3b956fb9a0, 24 [pid 22312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22313] <... set_robust_list resumed>) = 0 [pid 22312] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22313] rt_sigprocmask(SIG_SETMASK, [], [pid 22312] <... futex resumed>) = 0 [pid 22313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22312] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22313] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22312] <... futex resumed>) = 0 [pid 22313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22312] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22312] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22313] <... bpf resumed>) = 4 [pid 22313] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22312] <... futex resumed>) = 0 [pid 22313] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22312] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22312] <... futex resumed>) = 0 [pid 22313] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22312] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22313] <... bpf resumed>) = 0 [pid 22312] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22313] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22312] <... mprotect resumed>) = 0 [pid 22313] <... futex resumed>) = 0 [pid 22312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22313] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22314 attached [pid 22314] set_robust_list(0x7f3b956da9a0, 24 [pid 22312] <... clone3 resumed> => {parent_tid=[21904]}, 88) = 21904 [pid 22314] <... set_robust_list resumed>) = 0 [pid 22314] rt_sigprocmask(SIG_SETMASK, [], [pid 22312] rt_sigprocmask(SIG_SETMASK, [], [pid 22314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22314] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22312] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22312] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22314] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22314] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22312] <... futex resumed>) = 0 [pid 22312] close(3) = 0 [pid 22312] close(4) = 0 [pid 22312] close(5) = 0 [pid 22312] close(6) = -1 EBADF (Bad file descriptor) [pid 22312] close(7) = -1 EBADF (Bad file descriptor) [pid 22312] close(8) = -1 EBADF (Bad file descriptor) [pid 22312] close(9) = -1 EBADF (Bad file descriptor) [pid 22312] close(10) = -1 EBADF (Bad file descriptor) [pid 22312] close(11) = -1 EBADF (Bad file descriptor) [pid 22312] close(12) = -1 EBADF (Bad file descriptor) [pid 22312] close(13) = -1 EBADF (Bad file descriptor) [pid 22312] close(14) = -1 EBADF (Bad file descriptor) [pid 22312] close(15) = -1 EBADF (Bad file descriptor) [pid 22312] close(16) = -1 EBADF (Bad file descriptor) [pid 22312] close(17) = -1 EBADF (Bad file descriptor) [pid 22312] close(18) = -1 EBADF (Bad file descriptor) [pid 22312] close(19) = -1 EBADF (Bad file descriptor) [pid 22312] close(20) = -1 EBADF (Bad file descriptor) [pid 22312] close(21) = -1 EBADF (Bad file descriptor) [pid 22312] close(22) = -1 EBADF (Bad file descriptor) [pid 22312] close(23) = -1 EBADF (Bad file descriptor) [pid 22312] close(24) = -1 EBADF (Bad file descriptor) [pid 22312] close(25) = -1 EBADF (Bad file descriptor) [pid 22312] close(26) = -1 EBADF (Bad file descriptor) [pid 22312] close(27) = -1 EBADF (Bad file descriptor) [pid 22312] close(28) = -1 EBADF (Bad file descriptor) [pid 22312] close(29) = -1 EBADF (Bad file descriptor) [pid 22312] exit_group(0 [pid 22314] <... futex resumed>) = ? [pid 22313] <... futex resumed>) = ? [pid 22312] <... exit_group resumed>) = ? [pid 22314] +++ exited with 0 +++ [pid 22313] +++ exited with 0 +++ [pid 22312] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7568", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7568", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7568/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7568/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7568/cgroup.cpu") = 0 [pid 287] umount2("./7568/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7568/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7568/binderfs") = 0 [pid 287] umount2("./7568/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7568/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7568/cgroup") = 0 [pid 287] umount2("./7568/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7568/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7568/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7568") = 0 [pid 287] mkdir("./7569", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22315 attached [pid 22315] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21905 [pid 22315] chdir("./7569") = 0 [pid 22315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22315] setpgid(0, 0) = 0 [pid 22315] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22315] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22315] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22315] write(3, "1000", 4) = 4 [pid 22315] close(3) = 0 [pid 22315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22315] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22315] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22315] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22316 attached [pid 22316] set_robust_list(0x7f3b956fb9a0, 24 [pid 22315] <... clone3 resumed> => {parent_tid=[21906]}, 88) = 21906 [pid 22316] <... set_robust_list resumed>) = 0 [pid 22315] rt_sigprocmask(SIG_SETMASK, [], [pid 22316] rt_sigprocmask(SIG_SETMASK, [], [pid 22315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22315] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22315] <... futex resumed>) = 0 [pid 22316] <... bpf resumed>) = 3 [pid 22315] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22316] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22316] <... futex resumed>) = 0 [pid 22315] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22315] <... futex resumed>) = 0 [pid 22316] <... bpf resumed>) = 4 [pid 22315] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22316] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22316] <... futex resumed>) = 0 [pid 22315] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22316] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22315] <... futex resumed>) = 0 [pid 22316] <... bpf resumed>) = 0 [pid 22315] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22316] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22315] <... futex resumed>) = 0 [pid 22316] <... futex resumed>) = 0 [pid 22315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22316] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22315] <... mmap resumed>) = 0x7f3b956ba000 [pid 22315] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[21907]}, 88) = 21907 ./strace-static-x86_64: Process 22317 attached [pid 22315] rt_sigprocmask(SIG_SETMASK, [], [pid 22317] set_robust_list(0x7f3b956da9a0, 24 [pid 22315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22317] <... set_robust_list resumed>) = 0 [pid 22315] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22315] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22317] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22315] <... futex resumed>) = 0 [pid 22317] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22315] close(3) = 0 [pid 22315] close(4) = 0 [pid 22315] close(5) = 0 [pid 22315] close(6) = -1 EBADF (Bad file descriptor) [pid 22315] close(7) = -1 EBADF (Bad file descriptor) [pid 22315] close(8) = -1 EBADF (Bad file descriptor) [pid 22315] close(9) = -1 EBADF (Bad file descriptor) [pid 22315] close(10) = -1 EBADF (Bad file descriptor) [pid 22315] close(11) = -1 EBADF (Bad file descriptor) [pid 22315] close(12) = -1 EBADF (Bad file descriptor) [pid 22315] close(13) = -1 EBADF (Bad file descriptor) [pid 22315] close(14) = -1 EBADF (Bad file descriptor) [pid 22315] close(15) = -1 EBADF (Bad file descriptor) [pid 22315] close(16) = -1 EBADF (Bad file descriptor) [pid 22315] close(17) = -1 EBADF (Bad file descriptor) [pid 22315] close(18) = -1 EBADF (Bad file descriptor) [pid 22315] close(19) = -1 EBADF (Bad file descriptor) [pid 22315] close(20) = -1 EBADF (Bad file descriptor) [pid 22315] close(21) = -1 EBADF (Bad file descriptor) [pid 22315] close(22) = -1 EBADF (Bad file descriptor) [pid 22315] close(23) = -1 EBADF (Bad file descriptor) [pid 22315] close(24) = -1 EBADF (Bad file descriptor) [pid 22315] close(25) = -1 EBADF (Bad file descriptor) [pid 22315] close(26) = -1 EBADF (Bad file descriptor) [pid 22315] close(27) = -1 EBADF (Bad file descriptor) [pid 22315] close(28) = -1 EBADF (Bad file descriptor) [pid 22315] close(29) = -1 EBADF (Bad file descriptor) [pid 22315] exit_group(0 [pid 22316] <... futex resumed>) = ? [pid 22315] <... exit_group resumed>) = ? [pid 22317] <... futex resumed>) = ? [pid 22316] +++ exited with 0 +++ [pid 22317] +++ exited with 0 +++ [pid 22315] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7569", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7569", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7569/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7569/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7569/cgroup.cpu") = 0 [pid 287] umount2("./7569/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7569/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7569/binderfs") = 0 [pid 287] umount2("./7569/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7569/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7569/cgroup") = 0 [pid 287] umount2("./7569/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7569/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7569/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7569") = 0 [pid 287] mkdir("./7570", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22318 attached [pid 22318] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21908 [pid 22318] chdir("./7570") = 0 [pid 22318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22318] setpgid(0, 0) = 0 [pid 22318] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22318] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22318] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22318] write(3, "1000", 4) = 4 [pid 22318] close(3) = 0 [pid 22318] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22318] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22318] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22318] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22319 attached [pid 22319] set_robust_list(0x7f3b956fb9a0, 24 [pid 22318] <... clone3 resumed> => {parent_tid=[21909]}, 88) = 21909 [pid 22319] <... set_robust_list resumed>) = 0 [pid 22318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22319] rt_sigprocmask(SIG_SETMASK, [], [pid 22318] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22318] <... futex resumed>) = 0 [pid 22319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22318] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22319] <... bpf resumed>) = 3 [pid 22319] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22318] <... futex resumed>) = 0 [pid 22319] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22318] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22318] <... futex resumed>) = 0 [pid 22319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22318] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22319] <... bpf resumed>) = 4 [pid 22319] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22318] <... futex resumed>) = 0 [pid 22319] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22318] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22318] <... futex resumed>) = 0 [pid 22319] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22318] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22319] <... bpf resumed>) = 0 [pid 22318] <... futex resumed>) = 0 [pid 22319] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22318] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22319] <... futex resumed>) = 0 [pid 22318] <... mprotect resumed>) = 0 [pid 22319] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22320 attached [pid 22320] set_robust_list(0x7f3b956da9a0, 24 [pid 22318] <... clone3 resumed> => {parent_tid=[21910]}, 88) = 21910 [pid 22320] <... set_robust_list resumed>) = 0 [pid 22320] rt_sigprocmask(SIG_SETMASK, [], [pid 22318] rt_sigprocmask(SIG_SETMASK, [], [pid 22320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22320] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22318] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22320] <... futex resumed>) = 0 [pid 22318] <... futex resumed>) = 1 [pid 22320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22318] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22320] <... bpf resumed>) = 5 [pid 22320] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22318] <... futex resumed>) = 0 [pid 22320] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22318] close(3) = 0 [pid 22318] close(4) = 0 [pid 22318] close(5) = 0 [pid 22318] close(6) = -1 EBADF (Bad file descriptor) [pid 22318] close(7) = -1 EBADF (Bad file descriptor) [pid 22318] close(8) = -1 EBADF (Bad file descriptor) [pid 22318] close(9) = -1 EBADF (Bad file descriptor) [pid 22318] close(10) = -1 EBADF (Bad file descriptor) [pid 22318] close(11) = -1 EBADF (Bad file descriptor) [pid 22318] close(12) = -1 EBADF (Bad file descriptor) [pid 22318] close(13) = -1 EBADF (Bad file descriptor) [pid 22318] close(14) = -1 EBADF (Bad file descriptor) [pid 22318] close(15) = -1 EBADF (Bad file descriptor) [pid 22318] close(16) = -1 EBADF (Bad file descriptor) [pid 22318] close(17) = -1 EBADF (Bad file descriptor) [pid 22318] close(18) = -1 EBADF (Bad file descriptor) [pid 22318] close(19) = -1 EBADF (Bad file descriptor) [pid 22318] close(20) = -1 EBADF (Bad file descriptor) [pid 22318] close(21) = -1 EBADF (Bad file descriptor) [pid 22318] close(22) = -1 EBADF (Bad file descriptor) [pid 22318] close(23) = -1 EBADF (Bad file descriptor) [pid 22318] close(24) = -1 EBADF (Bad file descriptor) [pid 22318] close(25) = -1 EBADF (Bad file descriptor) [pid 22318] close(26) = -1 EBADF (Bad file descriptor) [pid 22318] close(27) = -1 EBADF (Bad file descriptor) [pid 22318] close(28) = -1 EBADF (Bad file descriptor) [pid 22318] close(29) = -1 EBADF (Bad file descriptor) [pid 22318] exit_group(0 [pid 22320] <... futex resumed>) = ? [pid 22319] <... futex resumed>) = ? [pid 22318] <... exit_group resumed>) = ? [pid 22320] +++ exited with 0 +++ [pid 22319] +++ exited with 0 +++ [pid 22318] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7570", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7570", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7570/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7570/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7570/cgroup.cpu") = 0 [pid 287] umount2("./7570/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7570/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7570/binderfs") = 0 [pid 287] umount2("./7570/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7570/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7570/cgroup") = 0 [pid 287] umount2("./7570/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7570/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7570/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7570") = 0 [pid 287] mkdir("./7571", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22321 attached [pid 22321] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22321] chdir("./7571") = 0 [pid 22321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22321] setpgid(0, 0) = 0 [pid 22321] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21911 [pid 22321] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22321] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22321] write(3, "1000", 4) = 4 [pid 22321] close(3) = 0 [pid 22321] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22321] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22321] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22321] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22323 attached => {parent_tid=[21912]}, 88) = 21912 [pid 22321] rt_sigprocmask(SIG_SETMASK, [], [pid 22323] set_robust_list(0x7f3b956fb9a0, 24 [pid 22321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22323] <... set_robust_list resumed>) = 0 [pid 22321] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22323] rt_sigprocmask(SIG_SETMASK, [], [pid 22321] <... futex resumed>) = 0 [pid 22323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22321] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22323] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22321] <... futex resumed>) = 0 [pid 22323] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22321] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22321] <... futex resumed>) = 0 [pid 22321] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22323] <... bpf resumed>) = 4 [pid 22323] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22323] <... futex resumed>) = 0 [pid 22323] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22321] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22323] <... futex resumed>) = 0 [pid 22321] <... futex resumed>) = 1 [pid 22323] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22321] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22323] <... bpf resumed>) = 0 [pid 22321] <... mmap resumed>) = 0x7f3b956ba000 [pid 22323] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22321] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22323] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22321] <... mprotect resumed>) = 0 [pid 22321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22324 attached [pid 22324] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22324] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22321] <... clone3 resumed> => {parent_tid=[21913]}, 88) = 21913 [pid 22321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22321] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22321] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22324] <... futex resumed>) = 0 [pid 22324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22324] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22324] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22321] <... futex resumed>) = 0 [pid 22321] close(3) = 0 [pid 22321] close(4) = 0 [pid 22321] close(5) = 0 [pid 22321] close(6) = -1 EBADF (Bad file descriptor) [pid 22321] close(7) = -1 EBADF (Bad file descriptor) [pid 22321] close(8) = -1 EBADF (Bad file descriptor) [pid 22321] close(9) = -1 EBADF (Bad file descriptor) [pid 22321] close(10) = -1 EBADF (Bad file descriptor) [pid 22321] close(11) = -1 EBADF (Bad file descriptor) [pid 22321] close(12) = -1 EBADF (Bad file descriptor) [pid 22321] close(13) = -1 EBADF (Bad file descriptor) [pid 22321] close(14) = -1 EBADF (Bad file descriptor) [pid 22321] close(15) = -1 EBADF (Bad file descriptor) [pid 22321] close(16) = -1 EBADF (Bad file descriptor) [pid 22321] close(17) = -1 EBADF (Bad file descriptor) [pid 22321] close(18) = -1 EBADF (Bad file descriptor) [pid 22321] close(19) = -1 EBADF (Bad file descriptor) [pid 22321] close(20) = -1 EBADF (Bad file descriptor) [pid 22321] close(21) = -1 EBADF (Bad file descriptor) [pid 22321] close(22) = -1 EBADF (Bad file descriptor) [pid 22321] close(23) = -1 EBADF (Bad file descriptor) [pid 22321] close(24) = -1 EBADF (Bad file descriptor) [pid 22321] close(25) = -1 EBADF (Bad file descriptor) [pid 22321] close(26) = -1 EBADF (Bad file descriptor) [pid 22321] close(27) = -1 EBADF (Bad file descriptor) [pid 22321] close(28) = -1 EBADF (Bad file descriptor) [pid 22321] close(29) = -1 EBADF (Bad file descriptor) [pid 22321] exit_group(0) = ? [pid 22323] <... futex resumed>) = ? [pid 22324] <... futex resumed>) = ? [pid 22324] +++ exited with 0 +++ [pid 22323] +++ exited with 0 +++ [pid 22321] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7571", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7571", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7571/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7571/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7571/cgroup.cpu") = 0 [pid 287] umount2("./7571/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7571/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7571/binderfs") = 0 [pid 287] umount2("./7571/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7571/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7571/cgroup") = 0 [pid 287] umount2("./7571/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7571/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7571/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7571") = 0 [pid 287] mkdir("./7572", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22325 attached [pid 22325] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21914 [pid 22325] chdir("./7572") = 0 [pid 22325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22325] setpgid(0, 0) = 0 [pid 22325] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22325] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22325] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22325] write(3, "1000", 4) = 4 [pid 22325] close(3) = 0 [pid 22325] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22325] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22325] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22325] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22326 attached [pid 22326] set_robust_list(0x7f3b956fb9a0, 24 [pid 22325] <... clone3 resumed> => {parent_tid=[21915]}, 88) = 21915 [pid 22326] <... set_robust_list resumed>) = 0 [pid 22326] rt_sigprocmask(SIG_SETMASK, [], [pid 22325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22325] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22325] <... futex resumed>) = 0 [pid 22326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22325] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22326] <... bpf resumed>) = 3 [pid 22326] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22325] <... futex resumed>) = 0 [pid 22326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22325] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22326] <... bpf resumed>) = 4 [pid 22326] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22325] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22326] <... futex resumed>) = 0 [pid 22326] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22325] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22326] <... futex resumed>) = 0 [pid 22325] <... futex resumed>) = 1 [pid 22326] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22325] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22326] <... bpf resumed>) = 0 [pid 22325] <... futex resumed>) = 0 [pid 22326] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22326] <... futex resumed>) = 0 [pid 22325] <... mmap resumed>) = 0x7f3b956ba000 [pid 22326] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22325] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22327 attached => {parent_tid=[21916]}, 88) = 21916 [pid 22327] set_robust_list(0x7f3b956da9a0, 24 [pid 22325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22327] <... set_robust_list resumed>) = 0 [pid 22325] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22327] rt_sigprocmask(SIG_SETMASK, [], [pid 22325] <... futex resumed>) = 0 [pid 22327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22325] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22327] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22327] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22325] <... futex resumed>) = 0 [pid 22327] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22325] close(3) = 0 [pid 22325] close(4) = 0 [pid 22325] close(5) = 0 [pid 22325] close(6) = -1 EBADF (Bad file descriptor) [pid 22325] close(7) = -1 EBADF (Bad file descriptor) [pid 22325] close(8) = -1 EBADF (Bad file descriptor) [pid 22325] close(9) = -1 EBADF (Bad file descriptor) [pid 22325] close(10) = -1 EBADF (Bad file descriptor) [pid 22325] close(11) = -1 EBADF (Bad file descriptor) [pid 22325] close(12) = -1 EBADF (Bad file descriptor) [pid 22325] close(13) = -1 EBADF (Bad file descriptor) [pid 22325] close(14) = -1 EBADF (Bad file descriptor) [pid 22325] close(15) = -1 EBADF (Bad file descriptor) [pid 22325] close(16) = -1 EBADF (Bad file descriptor) [pid 22325] close(17) = -1 EBADF (Bad file descriptor) [pid 22325] close(18) = -1 EBADF (Bad file descriptor) [pid 22325] close(19) = -1 EBADF (Bad file descriptor) [pid 22325] close(20) = -1 EBADF (Bad file descriptor) [pid 22325] close(21) = -1 EBADF (Bad file descriptor) [pid 22325] close(22) = -1 EBADF (Bad file descriptor) [pid 22325] close(23) = -1 EBADF (Bad file descriptor) [pid 22325] close(24) = -1 EBADF (Bad file descriptor) [pid 22325] close(25) = -1 EBADF (Bad file descriptor) [pid 22325] close(26) = -1 EBADF (Bad file descriptor) [pid 22325] close(27) = -1 EBADF (Bad file descriptor) [pid 22325] close(28) = -1 EBADF (Bad file descriptor) [pid 22325] close(29) = -1 EBADF (Bad file descriptor) [pid 22325] exit_group(0 [pid 22327] <... futex resumed>) = ? [pid 22326] <... futex resumed>) = ? [pid 22325] <... exit_group resumed>) = ? [pid 22327] +++ exited with 0 +++ [pid 22326] +++ exited with 0 +++ [pid 22325] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7572", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7572", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7572/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7572/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7572/cgroup.cpu") = 0 [pid 287] umount2("./7572/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7572/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7572/binderfs") = 0 [pid 287] umount2("./7572/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7572/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7572/cgroup") = 0 [pid 287] umount2("./7572/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7572/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7572/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7572") = 0 [pid 287] mkdir("./7573", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22328 attached [pid 22328] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22328] chdir("./7573") = 0 [pid 22328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21917 [pid 22328] <... prctl resumed>) = 0 [pid 22328] setpgid(0, 0) = 0 [pid 22328] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22328] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22328] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22328] write(3, "1000", 4) = 4 [pid 22328] close(3) = 0 [pid 22328] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22328] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22328] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22328] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22329 attached [pid 22329] set_robust_list(0x7f3b956fb9a0, 24 [pid 22328] <... clone3 resumed> => {parent_tid=[21918]}, 88) = 21918 [pid 22329] <... set_robust_list resumed>) = 0 [pid 22329] rt_sigprocmask(SIG_SETMASK, [], [pid 22328] rt_sigprocmask(SIG_SETMASK, [], [pid 22329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22329] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22328] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22328] <... futex resumed>) = 0 [pid 22329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22328] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22329] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22329] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22328] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22328] <... futex resumed>) = 0 [pid 22329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22328] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22329] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22329] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22328] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22329] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22328] <... futex resumed>) = 0 [pid 22329] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22328] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22328] <... futex resumed>) = 0 [pid 22329] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22328] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22329] <... futex resumed>) = 0 [pid 22329] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22328] close(3) = 0 [pid 22328] close(4) = 0 [pid 22328] close(5) = 0 [pid 22328] close(6) = -1 EBADF (Bad file descriptor) [pid 22328] close(7) = -1 EBADF (Bad file descriptor) [pid 22328] close(8) = -1 EBADF (Bad file descriptor) [pid 22328] close(9) = -1 EBADF (Bad file descriptor) [pid 22328] close(10) = -1 EBADF (Bad file descriptor) [pid 22328] close(11) = -1 EBADF (Bad file descriptor) [pid 22328] close(12) = -1 EBADF (Bad file descriptor) [pid 22328] close(13) = -1 EBADF (Bad file descriptor) [pid 22328] close(14) = -1 EBADF (Bad file descriptor) [pid 22328] close(15) = -1 EBADF (Bad file descriptor) [pid 22328] close(16) = -1 EBADF (Bad file descriptor) [pid 22328] close(17) = -1 EBADF (Bad file descriptor) [pid 22328] close(18) = -1 EBADF (Bad file descriptor) [pid 22328] close(19) = -1 EBADF (Bad file descriptor) [pid 22328] close(20) = -1 EBADF (Bad file descriptor) [pid 22328] close(21) = -1 EBADF (Bad file descriptor) [pid 22328] close(22) = -1 EBADF (Bad file descriptor) [pid 22328] close(23) = -1 EBADF (Bad file descriptor) [pid 22328] close(24) = -1 EBADF (Bad file descriptor) [pid 22328] close(25) = -1 EBADF (Bad file descriptor) [pid 22328] close(26) = -1 EBADF (Bad file descriptor) [pid 22328] close(27) = -1 EBADF (Bad file descriptor) [pid 22328] close(28) = -1 EBADF (Bad file descriptor) [pid 22328] close(29) = -1 EBADF (Bad file descriptor) [pid 22328] exit_group(0 [pid 22329] <... futex resumed>) = ? [pid 22328] <... exit_group resumed>) = ? [pid 22329] +++ exited with 0 +++ [pid 22328] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7573", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7573", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7573/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7573/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7573/cgroup.cpu") = 0 [pid 287] umount2("./7573/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7573/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7573/binderfs") = 0 [pid 287] umount2("./7573/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7573/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7573/cgroup") = 0 [pid 287] umount2("./7573/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7573/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7573/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7573") = 0 [pid 287] mkdir("./7574", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22330 attached [pid 22330] set_robust_list(0x555555ae16a0, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21919 [pid 22330] <... set_robust_list resumed>) = 0 [pid 22330] chdir("./7574") = 0 [pid 22330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22330] setpgid(0, 0) = 0 [pid 22330] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22330] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22330] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22330] write(3, "1000", 4) = 4 [pid 22330] close(3) = 0 [pid 22330] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22330] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22330] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22330] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22331 attached [pid 22331] set_robust_list(0x7f3b956fb9a0, 24 [pid 22330] <... clone3 resumed> => {parent_tid=[21920]}, 88) = 21920 [pid 22331] <... set_robust_list resumed>) = 0 [pid 22330] rt_sigprocmask(SIG_SETMASK, [], [pid 22331] rt_sigprocmask(SIG_SETMASK, [], [pid 22330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22330] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22331] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22330] <... futex resumed>) = 0 [pid 22330] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22331] <... bpf resumed>) = 3 [pid 22331] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22330] <... futex resumed>) = 0 [pid 22331] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22330] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22331] <... bpf resumed>) = 4 [pid 22330] <... futex resumed>) = 0 [pid 22331] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22330] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22331] <... futex resumed>) = 0 [pid 22330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22331] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22330] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22330] <... futex resumed>) = 0 [pid 22331] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22330] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22331] <... bpf resumed>) = 0 [pid 22330] <... futex resumed>) = 0 [pid 22331] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22331] <... futex resumed>) = 0 [pid 22330] <... mmap resumed>) = 0x7f3b956ba000 [pid 22331] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22330] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22332 attached [pid 22332] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22330] <... clone3 resumed> => {parent_tid=[21921]}, 88) = 21921 [pid 22332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22330] rt_sigprocmask(SIG_SETMASK, [], [pid 22332] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22330] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22332] <... futex resumed>) = 0 [pid 22330] <... futex resumed>) = 1 [pid 22332] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22330] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22332] <... bpf resumed>) = 5 [pid 22332] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22330] <... futex resumed>) = 0 [pid 22332] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22330] close(3) = 0 [pid 22330] close(4) = 0 [pid 22330] close(5) = 0 [pid 22330] close(6) = -1 EBADF (Bad file descriptor) [pid 22330] close(7) = -1 EBADF (Bad file descriptor) [pid 22330] close(8) = -1 EBADF (Bad file descriptor) [pid 22330] close(9) = -1 EBADF (Bad file descriptor) [pid 22330] close(10) = -1 EBADF (Bad file descriptor) [pid 22330] close(11) = -1 EBADF (Bad file descriptor) [pid 22330] close(12) = -1 EBADF (Bad file descriptor) [pid 22330] close(13) = -1 EBADF (Bad file descriptor) [pid 22330] close(14) = -1 EBADF (Bad file descriptor) [pid 22330] close(15) = -1 EBADF (Bad file descriptor) [pid 22330] close(16) = -1 EBADF (Bad file descriptor) [pid 22330] close(17) = -1 EBADF (Bad file descriptor) [pid 22330] close(18) = -1 EBADF (Bad file descriptor) [pid 22330] close(19) = -1 EBADF (Bad file descriptor) [pid 22330] close(20) = -1 EBADF (Bad file descriptor) [pid 22330] close(21) = -1 EBADF (Bad file descriptor) [pid 22330] close(22) = -1 EBADF (Bad file descriptor) [pid 22330] close(23) = -1 EBADF (Bad file descriptor) [pid 22330] close(24) = -1 EBADF (Bad file descriptor) [pid 22330] close(25) = -1 EBADF (Bad file descriptor) [pid 22330] close(26) = -1 EBADF (Bad file descriptor) [pid 22330] close(27) = -1 EBADF (Bad file descriptor) [pid 22330] close(28) = -1 EBADF (Bad file descriptor) [pid 22330] close(29) = -1 EBADF (Bad file descriptor) [pid 22330] exit_group(0 [pid 22331] <... futex resumed>) = ? [pid 22332] <... futex resumed>) = ? [pid 22330] <... exit_group resumed>) = ? [pid 22332] +++ exited with 0 +++ [pid 22331] +++ exited with 0 +++ [pid 22330] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7574", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7574", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7574/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7574/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7574/cgroup.cpu") = 0 [pid 287] umount2("./7574/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7574/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7574/binderfs") = 0 [pid 287] umount2("./7574/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7574/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7574/cgroup") = 0 [pid 287] umount2("./7574/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7574/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7574/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7574") = 0 [pid 287] mkdir("./7575", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22333 attached [pid 22333] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22333] chdir("./7575" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21922 [pid 22333] <... chdir resumed>) = 0 [pid 22333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22333] setpgid(0, 0) = 0 [pid 22333] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22333] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22333] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22333] write(3, "1000", 4) = 4 [pid 22333] close(3) = 0 [pid 22333] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22333] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22333] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22333] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22334 attached [pid 22334] set_robust_list(0x7f3b956fb9a0, 24 [pid 22333] <... clone3 resumed> => {parent_tid=[21923]}, 88) = 21923 [pid 22334] <... set_robust_list resumed>) = 0 [pid 22333] rt_sigprocmask(SIG_SETMASK, [], [pid 22334] rt_sigprocmask(SIG_SETMASK, [], [pid 22333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22333] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22333] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22334] <... bpf resumed>) = 3 [pid 22334] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22333] <... futex resumed>) = 0 [pid 22333] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22334] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22333] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22334] <... bpf resumed>) = 4 [pid 22334] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22333] <... futex resumed>) = 0 [pid 22334] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22333] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22333] <... futex resumed>) = 0 [pid 22334] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22333] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22334] <... bpf resumed>) = 0 [pid 22333] <... futex resumed>) = 0 [pid 22334] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22334] <... futex resumed>) = 0 [pid 22333] <... mmap resumed>) = 0x7f3b956ba000 [pid 22334] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22333] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22335 attached [pid 22335] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22335] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22333] <... clone3 resumed> => {parent_tid=[21924]}, 88) = 21924 [pid 22333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22333] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22335] <... futex resumed>) = 0 [pid 22333] <... futex resumed>) = 1 [pid 22335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22333] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22335] <... bpf resumed>) = 5 [pid 22335] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22333] <... futex resumed>) = 0 [pid 22335] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22333] close(3) = 0 [pid 22333] close(4) = 0 [pid 22333] close(5) = 0 [pid 22333] close(6) = -1 EBADF (Bad file descriptor) [pid 22333] close(7) = -1 EBADF (Bad file descriptor) [pid 22333] close(8) = -1 EBADF (Bad file descriptor) [pid 22333] close(9) = -1 EBADF (Bad file descriptor) [pid 22333] close(10) = -1 EBADF (Bad file descriptor) [pid 22333] close(11) = -1 EBADF (Bad file descriptor) [pid 22333] close(12) = -1 EBADF (Bad file descriptor) [pid 22333] close(13) = -1 EBADF (Bad file descriptor) [pid 22333] close(14) = -1 EBADF (Bad file descriptor) [pid 22333] close(15) = -1 EBADF (Bad file descriptor) [pid 22333] close(16) = -1 EBADF (Bad file descriptor) [pid 22333] close(17) = -1 EBADF (Bad file descriptor) [pid 22333] close(18) = -1 EBADF (Bad file descriptor) [pid 22333] close(19) = -1 EBADF (Bad file descriptor) [pid 22333] close(20) = -1 EBADF (Bad file descriptor) [pid 22333] close(21) = -1 EBADF (Bad file descriptor) [pid 22333] close(22) = -1 EBADF (Bad file descriptor) [pid 22333] close(23) = -1 EBADF (Bad file descriptor) [pid 22333] close(24) = -1 EBADF (Bad file descriptor) [pid 22333] close(25) = -1 EBADF (Bad file descriptor) [pid 22333] close(26) = -1 EBADF (Bad file descriptor) [pid 22333] close(27) = -1 EBADF (Bad file descriptor) [pid 22333] close(28) = -1 EBADF (Bad file descriptor) [pid 22333] close(29) = -1 EBADF (Bad file descriptor) [pid 22333] exit_group(0) = ? [pid 22334] <... futex resumed>) = ? [pid 22334] +++ exited with 0 +++ [pid 22335] <... futex resumed>) = ? [pid 22335] +++ exited with 0 +++ [pid 22333] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7575", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7575", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7575/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7575/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7575/cgroup.cpu") = 0 [pid 287] umount2("./7575/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7575/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7575/binderfs") = 0 [pid 287] umount2("./7575/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7575/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7575/cgroup") = 0 [pid 287] umount2("./7575/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7575/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7575/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7575") = 0 [pid 287] mkdir("./7576", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22336 attached [pid 22336] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21925 [pid 22336] chdir("./7576") = 0 [pid 22336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22336] setpgid(0, 0) = 0 [pid 22336] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22336] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22336] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22336] write(3, "1000", 4) = 4 [pid 22336] close(3) = 0 [pid 22336] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22336] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22336] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22336] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22337 attached [pid 22337] set_robust_list(0x7f3b956fb9a0, 24 [pid 22336] <... clone3 resumed> => {parent_tid=[21926]}, 88) = 21926 [pid 22337] <... set_robust_list resumed>) = 0 [pid 22336] rt_sigprocmask(SIG_SETMASK, [], [pid 22337] rt_sigprocmask(SIG_SETMASK, [], [pid 22336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22336] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22336] <... futex resumed>) = 0 [pid 22337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22336] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22337] <... bpf resumed>) = 3 [pid 22337] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22336] <... futex resumed>) = 0 [pid 22337] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22336] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22336] <... futex resumed>) = 0 [pid 22337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22336] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22337] <... bpf resumed>) = 4 [pid 22337] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22336] <... futex resumed>) = 0 [pid 22337] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22336] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22336] <... futex resumed>) = 0 [pid 22337] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22336] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22337] <... bpf resumed>) = 0 [pid 22336] <... futex resumed>) = 0 [pid 22337] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22337] <... futex resumed>) = 0 [pid 22336] <... mmap resumed>) = 0x7f3b956ba000 [pid 22337] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22336] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22338 attached [pid 22338] set_robust_list(0x7f3b956da9a0, 24 [pid 22336] <... clone3 resumed> => {parent_tid=[21927]}, 88) = 21927 [pid 22338] <... set_robust_list resumed>) = 0 [pid 22338] rt_sigprocmask(SIG_SETMASK, [], [pid 22336] rt_sigprocmask(SIG_SETMASK, [], [pid 22338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22338] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22336] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22338] <... futex resumed>) = 0 [pid 22338] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22336] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22338] <... bpf resumed>) = 5 [pid 22338] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22338] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22336] <... futex resumed>) = 0 [pid 22336] close(3) = 0 [pid 22336] close(4) = 0 [pid 22336] close(5) = 0 [pid 22336] close(6) = -1 EBADF (Bad file descriptor) [pid 22336] close(7) = -1 EBADF (Bad file descriptor) [pid 22336] close(8) = -1 EBADF (Bad file descriptor) [pid 22336] close(9) = -1 EBADF (Bad file descriptor) [pid 22336] close(10) = -1 EBADF (Bad file descriptor) [pid 22336] close(11) = -1 EBADF (Bad file descriptor) [pid 22336] close(12) = -1 EBADF (Bad file descriptor) [pid 22336] close(13) = -1 EBADF (Bad file descriptor) [pid 22336] close(14) = -1 EBADF (Bad file descriptor) [pid 22336] close(15) = -1 EBADF (Bad file descriptor) [pid 22336] close(16) = -1 EBADF (Bad file descriptor) [pid 22336] close(17) = -1 EBADF (Bad file descriptor) [pid 22336] close(18) = -1 EBADF (Bad file descriptor) [pid 22336] close(19) = -1 EBADF (Bad file descriptor) [pid 22336] close(20) = -1 EBADF (Bad file descriptor) [pid 22336] close(21) = -1 EBADF (Bad file descriptor) [pid 22336] close(22) = -1 EBADF (Bad file descriptor) [pid 22336] close(23) = -1 EBADF (Bad file descriptor) [pid 22336] close(24) = -1 EBADF (Bad file descriptor) [pid 22336] close(25) = -1 EBADF (Bad file descriptor) [pid 22336] close(26) = -1 EBADF (Bad file descriptor) [pid 22336] close(27) = -1 EBADF (Bad file descriptor) [pid 22336] close(28) = -1 EBADF (Bad file descriptor) [pid 22336] close(29) = -1 EBADF (Bad file descriptor) [pid 22336] exit_group(0) = ? [pid 22337] <... futex resumed>) = ? [pid 22338] <... futex resumed>) = ? [pid 22337] +++ exited with 0 +++ [pid 22338] +++ exited with 0 +++ [pid 22336] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7576", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7576", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7576/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7576/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7576/cgroup.cpu") = 0 [pid 287] umount2("./7576/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7576/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7576/binderfs") = 0 [pid 287] umount2("./7576/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7576/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7576/cgroup") = 0 [pid 287] umount2("./7576/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7576/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7576/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7576") = 0 [pid 287] mkdir("./7577", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21928 ./strace-static-x86_64: Process 22339 attached [pid 22339] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22339] chdir("./7577") = 0 [pid 22339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22339] setpgid(0, 0) = 0 [pid 22339] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22339] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22339] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22339] write(3, "1000", 4) = 4 [pid 22339] close(3) = 0 [pid 22339] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22339] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22339] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22339] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22340 attached [pid 22340] set_robust_list(0x7f3b956fb9a0, 24 [pid 22339] <... clone3 resumed> => {parent_tid=[21929]}, 88) = 21929 [pid 22340] <... set_robust_list resumed>) = 0 [pid 22339] rt_sigprocmask(SIG_SETMASK, [], [pid 22340] rt_sigprocmask(SIG_SETMASK, [], [pid 22339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22339] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22339] <... futex resumed>) = 0 [pid 22340] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22339] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22340] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22339] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22340] <... futex resumed>) = 0 [pid 22339] <... futex resumed>) = 1 [pid 22340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22339] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22340] <... bpf resumed>) = 4 [pid 22340] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22339] <... futex resumed>) = 0 [pid 22340] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22339] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22340] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22339] <... futex resumed>) = 0 [pid 22340] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22339] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22339] <... futex resumed>) = 0 [pid 22340] <... bpf resumed>) = 5 [pid 22340] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22339] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22340] <... futex resumed>) = 0 [pid 22339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22340] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22339] close(3) = 0 [pid 22339] close(4) = 0 [pid 22339] close(5) = 0 [pid 22339] close(6) = -1 EBADF (Bad file descriptor) [pid 22339] close(7) = -1 EBADF (Bad file descriptor) [pid 22339] close(8) = -1 EBADF (Bad file descriptor) [pid 22339] close(9) = -1 EBADF (Bad file descriptor) [pid 22339] close(10) = -1 EBADF (Bad file descriptor) [pid 22339] close(11) = -1 EBADF (Bad file descriptor) [pid 22339] close(12) = -1 EBADF (Bad file descriptor) [pid 22339] close(13) = -1 EBADF (Bad file descriptor) [pid 22339] close(14) = -1 EBADF (Bad file descriptor) [pid 22339] close(15) = -1 EBADF (Bad file descriptor) [pid 22339] close(16) = -1 EBADF (Bad file descriptor) [pid 22339] close(17) = -1 EBADF (Bad file descriptor) [pid 22339] close(18) = -1 EBADF (Bad file descriptor) [pid 22339] close(19) = -1 EBADF (Bad file descriptor) [pid 22339] close(20) = -1 EBADF (Bad file descriptor) [pid 22339] close(21) = -1 EBADF (Bad file descriptor) [pid 22339] close(22) = -1 EBADF (Bad file descriptor) [pid 22339] close(23) = -1 EBADF (Bad file descriptor) [pid 22339] close(24) = -1 EBADF (Bad file descriptor) [pid 22339] close(25) = -1 EBADF (Bad file descriptor) [pid 22339] close(26) = -1 EBADF (Bad file descriptor) [pid 22339] close(27) = -1 EBADF (Bad file descriptor) [pid 22339] close(28) = -1 EBADF (Bad file descriptor) [pid 22339] close(29) = -1 EBADF (Bad file descriptor) [pid 22339] exit_group(0 [pid 22340] <... futex resumed>) = ? [pid 22339] <... exit_group resumed>) = ? [pid 22340] +++ exited with 0 +++ [pid 22339] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7577", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7577", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7577/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7577/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7577/cgroup.cpu") = 0 [pid 287] umount2("./7577/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7577/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7577/binderfs") = 0 [pid 287] umount2("./7577/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7577/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7577/cgroup") = 0 [pid 287] umount2("./7577/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7577/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7577/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7577") = 0 [pid 287] mkdir("./7578", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21930 ./strace-static-x86_64: Process 22341 attached [pid 22341] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22341] chdir("./7578") = 0 [pid 22341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22341] setpgid(0, 0) = 0 [pid 22341] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22341] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22341] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22341] write(3, "1000", 4) = 4 [pid 22341] close(3) = 0 [pid 22341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22341] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22341] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22341] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22342 attached [pid 22342] set_robust_list(0x7f3b956fb9a0, 24 [pid 22341] <... clone3 resumed> => {parent_tid=[21931]}, 88) = 21931 [pid 22342] <... set_robust_list resumed>) = 0 [pid 22342] rt_sigprocmask(SIG_SETMASK, [], [pid 22341] rt_sigprocmask(SIG_SETMASK, [], [pid 22342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22342] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22341] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22341] <... futex resumed>) = 0 [pid 22342] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22341] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22342] <... bpf resumed>) = 3 [pid 22342] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22341] <... futex resumed>) = 0 [pid 22342] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22341] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22342] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22341] <... futex resumed>) = 0 [pid 22342] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22341] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22342] <... futex resumed>) = 0 [pid 22341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22342] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22341] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22341] <... futex resumed>) = 0 [pid 22342] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22341] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22342] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22341] <... futex resumed>) = 0 [pid 22342] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22341] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22343 attached [pid 22343] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22341] <... clone3 resumed> => {parent_tid=[21932]}, 88) = 21932 [pid 22343] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22341] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22343] <... futex resumed>) = 0 [pid 22341] <... futex resumed>) = 1 [pid 22343] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22341] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22343] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22343] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22341] close(3) = 0 [pid 22341] close(4) = 0 [pid 22341] close(5) = 0 [pid 22341] close(6) = -1 EBADF (Bad file descriptor) [pid 22341] close(7) = -1 EBADF (Bad file descriptor) [pid 22341] close(8) = -1 EBADF (Bad file descriptor) [pid 22341] close(9) = -1 EBADF (Bad file descriptor) [pid 22341] close(10) = -1 EBADF (Bad file descriptor) [pid 22341] close(11) = -1 EBADF (Bad file descriptor) [pid 22341] close(12) = -1 EBADF (Bad file descriptor) [pid 22341] close(13) = -1 EBADF (Bad file descriptor) [pid 22341] close(14) = -1 EBADF (Bad file descriptor) [pid 22341] close(15) = -1 EBADF (Bad file descriptor) [pid 22341] close(16) = -1 EBADF (Bad file descriptor) [pid 22341] close(17) = -1 EBADF (Bad file descriptor) [pid 22341] close(18) = -1 EBADF (Bad file descriptor) [pid 22341] close(19) = -1 EBADF (Bad file descriptor) [pid 22341] close(20) = -1 EBADF (Bad file descriptor) [pid 22341] close(21) = -1 EBADF (Bad file descriptor) [pid 22341] close(22) = -1 EBADF (Bad file descriptor) [pid 22341] close(23) = -1 EBADF (Bad file descriptor) [pid 22341] close(24) = -1 EBADF (Bad file descriptor) [pid 22341] close(25) = -1 EBADF (Bad file descriptor) [pid 22341] close(26) = -1 EBADF (Bad file descriptor) [pid 22341] close(27) = -1 EBADF (Bad file descriptor) [pid 22341] close(28) = -1 EBADF (Bad file descriptor) [pid 22341] close(29) = -1 EBADF (Bad file descriptor) [pid 22341] exit_group(0 [pid 22343] <... futex resumed>) = ? [pid 22342] <... futex resumed>) = ? [pid 22341] <... exit_group resumed>) = ? [pid 22343] +++ exited with 0 +++ [pid 22342] +++ exited with 0 +++ [pid 22341] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7578", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7578", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7578/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7578/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7578/cgroup.cpu") = 0 [pid 287] umount2("./7578/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7578/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7578/binderfs") = 0 [pid 287] umount2("./7578/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7578/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7578/cgroup") = 0 [pid 287] umount2("./7578/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7578/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7578/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7578") = 0 [pid 287] mkdir("./7579", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21933 ./strace-static-x86_64: Process 22344 attached [pid 22344] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22344] chdir("./7579") = 0 [pid 22344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22344] setpgid(0, 0) = 0 [pid 22344] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22344] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22344] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22344] write(3, "1000", 4) = 4 [pid 22344] close(3) = 0 [pid 22344] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22344] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22344] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22344] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22345 attached [pid 22345] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22344] <... clone3 resumed> => {parent_tid=[21934]}, 88) = 21934 [pid 22345] rt_sigprocmask(SIG_SETMASK, [], [pid 22344] rt_sigprocmask(SIG_SETMASK, [], [pid 22345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22345] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22344] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22345] <... futex resumed>) = 0 [pid 22344] <... futex resumed>) = 1 [pid 22345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22344] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22345] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22345] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22344] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22345] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22344] <... futex resumed>) = 0 [pid 22345] <... bpf resumed>) = 4 [pid 22344] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22345] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22345] <... futex resumed>) = 0 [pid 22344] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22345] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22344] <... futex resumed>) = 0 [pid 22345] <... bpf resumed>) = 0 [pid 22345] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22344] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22345] <... futex resumed>) = 0 [pid 22345] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22344] <... futex resumed>) = 0 [pid 22344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22344] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22346 attached [pid 22346] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22344] <... clone3 resumed> => {parent_tid=[21935]}, 88) = 21935 [pid 22346] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22344] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22346] <... futex resumed>) = 0 [pid 22344] <... futex resumed>) = 1 [pid 22346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22344] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22346] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22346] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22344] close(3) = 0 [pid 22344] close(4) = 0 [pid 22344] close(5) = 0 [pid 22344] close(6) = -1 EBADF (Bad file descriptor) [pid 22344] close(7) = -1 EBADF (Bad file descriptor) [pid 22344] close(8) = -1 EBADF (Bad file descriptor) [pid 22344] close(9) = -1 EBADF (Bad file descriptor) [pid 22344] close(10) = -1 EBADF (Bad file descriptor) [pid 22344] close(11) = -1 EBADF (Bad file descriptor) [pid 22344] close(12) = -1 EBADF (Bad file descriptor) [pid 22344] close(13) = -1 EBADF (Bad file descriptor) [pid 22344] close(14) = -1 EBADF (Bad file descriptor) [pid 22344] close(15) = -1 EBADF (Bad file descriptor) [pid 22344] close(16) = -1 EBADF (Bad file descriptor) [pid 22344] close(17) = -1 EBADF (Bad file descriptor) [pid 22344] close(18) = -1 EBADF (Bad file descriptor) [pid 22344] close(19) = -1 EBADF (Bad file descriptor) [pid 22344] close(20) = -1 EBADF (Bad file descriptor) [pid 22344] close(21) = -1 EBADF (Bad file descriptor) [pid 22344] close(22) = -1 EBADF (Bad file descriptor) [pid 22344] close(23) = -1 EBADF (Bad file descriptor) [pid 22344] close(24) = -1 EBADF (Bad file descriptor) [pid 22344] close(25) = -1 EBADF (Bad file descriptor) [pid 22344] close(26) = -1 EBADF (Bad file descriptor) [pid 22344] close(27) = -1 EBADF (Bad file descriptor) [pid 22344] close(28) = -1 EBADF (Bad file descriptor) [pid 22344] close(29) = -1 EBADF (Bad file descriptor) [pid 22344] exit_group(0 [pid 22346] <... futex resumed>) = ? [pid 22345] <... futex resumed>) = ? [pid 22344] <... exit_group resumed>) = ? [pid 22346] +++ exited with 0 +++ [pid 22345] +++ exited with 0 +++ [pid 22344] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7579", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7579", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7579/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7579/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7579/cgroup.cpu") = 0 [pid 287] umount2("./7579/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7579/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7579/binderfs") = 0 [pid 287] umount2("./7579/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7579/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7579/cgroup") = 0 [pid 287] umount2("./7579/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7579/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7579/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7579") = 0 [pid 287] mkdir("./7580", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21936 ./strace-static-x86_64: Process 22347 attached [pid 22347] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22347] chdir("./7580") = 0 [pid 22347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22347] setpgid(0, 0) = 0 [pid 22347] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22347] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22347] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22347] write(3, "1000", 4) = 4 [pid 22347] close(3) = 0 [pid 22347] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22347] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22347] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22347] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22348 attached [pid 22348] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22347] <... clone3 resumed> => {parent_tid=[21937]}, 88) = 21937 [pid 22348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22347] rt_sigprocmask(SIG_SETMASK, [], [pid 22348] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22347] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22348] <... futex resumed>) = 0 [pid 22347] <... futex resumed>) = 1 [pid 22348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22347] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22348] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22348] <... futex resumed>) = 0 [pid 22347] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22347] <... futex resumed>) = 0 [pid 22348] <... bpf resumed>) = 4 [pid 22348] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22347] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22348] <... futex resumed>) = 0 [pid 22348] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22347] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22348] <... futex resumed>) = 0 [pid 22347] <... futex resumed>) = 1 [pid 22348] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22347] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22348] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22347] <... futex resumed>) = 0 [pid 22348] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22347] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22349 attached [pid 22349] set_robust_list(0x7f3b956da9a0, 24 [pid 22347] <... clone3 resumed> => {parent_tid=[21938]}, 88) = 21938 [pid 22349] <... set_robust_list resumed>) = 0 [pid 22347] rt_sigprocmask(SIG_SETMASK, [], [pid 22349] rt_sigprocmask(SIG_SETMASK, [], [pid 22347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22347] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22347] <... futex resumed>) = 0 [pid 22347] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22349] <... bpf resumed>) = 5 [pid 22349] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22347] <... futex resumed>) = 0 [pid 22347] close(3) = 0 [pid 22347] close(4 [pid 22349] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22347] <... close resumed>) = 0 [pid 22347] close(5) = 0 [pid 22347] close(6) = -1 EBADF (Bad file descriptor) [pid 22347] close(7) = -1 EBADF (Bad file descriptor) [pid 22347] close(8) = -1 EBADF (Bad file descriptor) [pid 22347] close(9) = -1 EBADF (Bad file descriptor) [pid 22347] close(10) = -1 EBADF (Bad file descriptor) [pid 22347] close(11) = -1 EBADF (Bad file descriptor) [pid 22347] close(12) = -1 EBADF (Bad file descriptor) [pid 22347] close(13) = -1 EBADF (Bad file descriptor) [pid 22347] close(14) = -1 EBADF (Bad file descriptor) [pid 22347] close(15) = -1 EBADF (Bad file descriptor) [pid 22347] close(16) = -1 EBADF (Bad file descriptor) [pid 22347] close(17) = -1 EBADF (Bad file descriptor) [pid 22347] close(18) = -1 EBADF (Bad file descriptor) [pid 22347] close(19) = -1 EBADF (Bad file descriptor) [pid 22347] close(20) = -1 EBADF (Bad file descriptor) [pid 22347] close(21) = -1 EBADF (Bad file descriptor) [pid 22347] close(22) = -1 EBADF (Bad file descriptor) [pid 22347] close(23) = -1 EBADF (Bad file descriptor) [pid 22347] close(24) = -1 EBADF (Bad file descriptor) [pid 22347] close(25) = -1 EBADF (Bad file descriptor) [pid 22347] close(26) = -1 EBADF (Bad file descriptor) [pid 22347] close(27) = -1 EBADF (Bad file descriptor) [pid 22347] close(28) = -1 EBADF (Bad file descriptor) [pid 22347] close(29) = -1 EBADF (Bad file descriptor) [pid 22347] exit_group(0 [pid 22349] <... futex resumed>) = ? [pid 22348] <... futex resumed>) = ? [pid 22347] <... exit_group resumed>) = ? [pid 22348] +++ exited with 0 +++ [pid 22349] +++ exited with 0 +++ [pid 22347] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7580", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7580", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7580/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7580/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7580/cgroup.cpu") = 0 [pid 287] umount2("./7580/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7580/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7580/binderfs") = 0 [pid 287] umount2("./7580/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7580/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7580/cgroup") = 0 [pid 287] umount2("./7580/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7580/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7580/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7580") = 0 [pid 287] mkdir("./7581", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22350 attached [pid 22350] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21939 [pid 22350] chdir("./7581") = 0 [pid 22350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22350] setpgid(0, 0) = 0 [pid 22350] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22350] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22350] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22350] write(3, "1000", 4) = 4 [pid 22350] close(3) = 0 [pid 22350] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22350] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22350] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22350] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22351 attached [pid 22351] set_robust_list(0x7f3b956fb9a0, 24 [pid 22350] <... clone3 resumed> => {parent_tid=[21940]}, 88) = 21940 [pid 22351] <... set_robust_list resumed>) = 0 [pid 22350] rt_sigprocmask(SIG_SETMASK, [], [pid 22351] rt_sigprocmask(SIG_SETMASK, [], [pid 22350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22350] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22351] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22350] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22351] <... bpf resumed>) = 3 [pid 22351] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22350] <... futex resumed>) = 0 [pid 22351] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22350] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22350] <... futex resumed>) = 0 [pid 22351] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22350] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22351] <... bpf resumed>) = 4 [pid 22351] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22350] <... futex resumed>) = 0 [pid 22351] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22350] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22350] <... futex resumed>) = 0 [pid 22351] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22350] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22351] <... bpf resumed>) = 0 [pid 22351] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22351] <... futex resumed>) = 0 [pid 22350] <... mmap resumed>) = 0x7f3b956ba000 [pid 22351] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22350] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22352 attached [pid 22352] set_robust_list(0x7f3b956da9a0, 24 [pid 22350] <... clone3 resumed> => {parent_tid=[21941]}, 88) = 21941 [pid 22352] <... set_robust_list resumed>) = 0 [pid 22352] rt_sigprocmask(SIG_SETMASK, [], [pid 22350] rt_sigprocmask(SIG_SETMASK, [], [pid 22352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22352] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22350] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22352] <... futex resumed>) = 0 [pid 22350] <... futex resumed>) = 1 [pid 22352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22350] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22352] <... bpf resumed>) = 5 [pid 22352] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22350] <... futex resumed>) = 0 [pid 22352] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22350] close(3) = 0 [pid 22350] close(4) = 0 [pid 22350] close(5) = 0 [pid 22350] close(6) = -1 EBADF (Bad file descriptor) [pid 22350] close(7) = -1 EBADF (Bad file descriptor) [pid 22350] close(8) = -1 EBADF (Bad file descriptor) [pid 22350] close(9) = -1 EBADF (Bad file descriptor) [pid 22350] close(10) = -1 EBADF (Bad file descriptor) [pid 22350] close(11) = -1 EBADF (Bad file descriptor) [pid 22350] close(12) = -1 EBADF (Bad file descriptor) [pid 22350] close(13) = -1 EBADF (Bad file descriptor) [pid 22350] close(14) = -1 EBADF (Bad file descriptor) [pid 22350] close(15) = -1 EBADF (Bad file descriptor) [pid 22350] close(16) = -1 EBADF (Bad file descriptor) [pid 22350] close(17) = -1 EBADF (Bad file descriptor) [pid 22350] close(18) = -1 EBADF (Bad file descriptor) [pid 22350] close(19) = -1 EBADF (Bad file descriptor) [pid 22350] close(20) = -1 EBADF (Bad file descriptor) [pid 22350] close(21) = -1 EBADF (Bad file descriptor) [pid 22350] close(22) = -1 EBADF (Bad file descriptor) [pid 22350] close(23) = -1 EBADF (Bad file descriptor) [pid 22350] close(24) = -1 EBADF (Bad file descriptor) [pid 22350] close(25) = -1 EBADF (Bad file descriptor) [pid 22350] close(26) = -1 EBADF (Bad file descriptor) [pid 22350] close(27) = -1 EBADF (Bad file descriptor) [pid 22350] close(28) = -1 EBADF (Bad file descriptor) [pid 22350] close(29) = -1 EBADF (Bad file descriptor) [pid 22350] exit_group(0 [pid 22351] <... futex resumed>) = ? [pid 22350] <... exit_group resumed>) = ? [pid 22352] <... futex resumed>) = ? [pid 22352] +++ exited with 0 +++ [pid 22351] +++ exited with 0 +++ [pid 22350] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7581", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7581", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7581/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7581/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7581/cgroup.cpu") = 0 [pid 287] umount2("./7581/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7581/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7581/binderfs") = 0 [pid 287] umount2("./7581/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7581/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7581/cgroup") = 0 [pid 287] umount2("./7581/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7581/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7581/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7581") = 0 [pid 287] mkdir("./7582", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22353 attached [pid 22353] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22353] chdir("./7582" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21942 [pid 22353] <... chdir resumed>) = 0 [pid 22353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22353] setpgid(0, 0) = 0 [pid 22353] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22353] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22353] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22353] write(3, "1000", 4) = 4 [pid 22353] close(3) = 0 [pid 22353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22353] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22353] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22353] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22354 attached [pid 22354] set_robust_list(0x7f3b956fb9a0, 24 [pid 22353] <... clone3 resumed> => {parent_tid=[21943]}, 88) = 21943 [pid 22354] <... set_robust_list resumed>) = 0 [pid 22353] rt_sigprocmask(SIG_SETMASK, [], [pid 22354] rt_sigprocmask(SIG_SETMASK, [], [pid 22353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22353] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22353] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22354] <... bpf resumed>) = 3 [pid 22354] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22353] <... futex resumed>) = 0 [pid 22353] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22354] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22353] <... futex resumed>) = 0 [pid 22354] <... bpf resumed>) = 4 [pid 22353] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22354] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22354] <... futex resumed>) = 0 [pid 22353] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22354] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22353] <... futex resumed>) = 0 [pid 22354] <... bpf resumed>) = 0 [pid 22353] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22354] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22353] <... futex resumed>) = 0 [pid 22354] <... futex resumed>) = 0 [pid 22353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22354] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22353] <... mmap resumed>) = 0x7f3b956ba000 [pid 22353] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22355 attached => {parent_tid=[21944]}, 88) = 21944 [pid 22355] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22353] rt_sigprocmask(SIG_SETMASK, [], [pid 22355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22355] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22353] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22355] <... futex resumed>) = 0 [pid 22353] <... futex resumed>) = 1 [pid 22355] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22353] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22355] <... bpf resumed>) = 5 [pid 22355] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22353] <... futex resumed>) = 0 [pid 22355] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22353] close(3) = 0 [pid 22353] close(4) = 0 [pid 22353] close(5) = 0 [pid 22353] close(6) = -1 EBADF (Bad file descriptor) [pid 22353] close(7) = -1 EBADF (Bad file descriptor) [pid 22353] close(8) = -1 EBADF (Bad file descriptor) [pid 22353] close(9) = -1 EBADF (Bad file descriptor) [pid 22353] close(10) = -1 EBADF (Bad file descriptor) [pid 22353] close(11) = -1 EBADF (Bad file descriptor) [pid 22353] close(12) = -1 EBADF (Bad file descriptor) [pid 22353] close(13) = -1 EBADF (Bad file descriptor) [pid 22353] close(14) = -1 EBADF (Bad file descriptor) [pid 22353] close(15) = -1 EBADF (Bad file descriptor) [pid 22353] close(16) = -1 EBADF (Bad file descriptor) [pid 22353] close(17) = -1 EBADF (Bad file descriptor) [pid 22353] close(18) = -1 EBADF (Bad file descriptor) [pid 22353] close(19) = -1 EBADF (Bad file descriptor) [pid 22353] close(20) = -1 EBADF (Bad file descriptor) [pid 22353] close(21) = -1 EBADF (Bad file descriptor) [pid 22353] close(22) = -1 EBADF (Bad file descriptor) [pid 22353] close(23) = -1 EBADF (Bad file descriptor) [pid 22353] close(24) = -1 EBADF (Bad file descriptor) [pid 22353] close(25) = -1 EBADF (Bad file descriptor) [pid 22353] close(26) = -1 EBADF (Bad file descriptor) [pid 22353] close(27) = -1 EBADF (Bad file descriptor) [pid 22353] close(28) = -1 EBADF (Bad file descriptor) [pid 22353] close(29) = -1 EBADF (Bad file descriptor) [pid 22353] exit_group(0) = ? [pid 22354] <... futex resumed>) = ? [pid 22355] <... futex resumed>) = 231 [pid 22355] +++ exited with 0 +++ [pid 22354] +++ exited with 0 +++ [pid 22353] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7582", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7582", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7582/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7582/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7582/cgroup.cpu") = 0 [pid 287] umount2("./7582/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7582/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7582/binderfs") = 0 [pid 287] umount2("./7582/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7582/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7582/cgroup") = 0 [pid 287] umount2("./7582/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7582/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7582/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7582") = 0 [pid 287] mkdir("./7583", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22356 attached [pid 22356] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22356] chdir("./7583") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21945 [pid 22356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22356] setpgid(0, 0) = 0 [pid 22356] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22356] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22356] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22356] write(3, "1000", 4) = 4 [pid 22356] close(3) = 0 [pid 22356] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22356] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22356] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22356] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22357 attached [pid 22357] set_robust_list(0x7f3b956fb9a0, 24 [pid 22356] <... clone3 resumed> => {parent_tid=[21946]}, 88) = 21946 [pid 22357] <... set_robust_list resumed>) = 0 [pid 22356] rt_sigprocmask(SIG_SETMASK, [], [pid 22357] rt_sigprocmask(SIG_SETMASK, [], [pid 22356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22356] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22356] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22357] <... bpf resumed>) = 3 [pid 22357] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22356] <... futex resumed>) = 0 [pid 22357] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22356] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22356] <... futex resumed>) = 0 [pid 22357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22356] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22357] <... bpf resumed>) = 4 [pid 22357] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22356] <... futex resumed>) = 0 [pid 22357] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22356] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22356] <... futex resumed>) = 0 [pid 22357] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22356] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22357] <... bpf resumed>) = 0 [pid 22356] <... futex resumed>) = 0 [pid 22357] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22357] <... futex resumed>) = 0 [pid 22356] <... mmap resumed>) = 0x7f3b956ba000 [pid 22357] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22356] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22358 attached [pid 22358] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22356] <... clone3 resumed> => {parent_tid=[21947]}, 88) = 21947 [pid 22358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22356] rt_sigprocmask(SIG_SETMASK, [], [pid 22358] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22356] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22358] <... futex resumed>) = 0 [pid 22356] <... futex resumed>) = 1 [pid 22358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22356] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22358] <... bpf resumed>) = 5 [pid 22358] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22356] <... futex resumed>) = 0 [pid 22358] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22356] close(3) = 0 [pid 22356] close(4) = 0 [pid 22356] close(5) = 0 [pid 22356] close(6) = -1 EBADF (Bad file descriptor) [pid 22356] close(7) = -1 EBADF (Bad file descriptor) [pid 22356] close(8) = -1 EBADF (Bad file descriptor) [pid 22356] close(9) = -1 EBADF (Bad file descriptor) [pid 22356] close(10) = -1 EBADF (Bad file descriptor) [pid 22356] close(11) = -1 EBADF (Bad file descriptor) [pid 22356] close(12) = -1 EBADF (Bad file descriptor) [pid 22356] close(13) = -1 EBADF (Bad file descriptor) [pid 22356] close(14) = -1 EBADF (Bad file descriptor) [pid 22356] close(15) = -1 EBADF (Bad file descriptor) [pid 22356] close(16) = -1 EBADF (Bad file descriptor) [pid 22356] close(17) = -1 EBADF (Bad file descriptor) [pid 22356] close(18) = -1 EBADF (Bad file descriptor) [pid 22356] close(19) = -1 EBADF (Bad file descriptor) [pid 22356] close(20) = -1 EBADF (Bad file descriptor) [pid 22356] close(21) = -1 EBADF (Bad file descriptor) [pid 22356] close(22) = -1 EBADF (Bad file descriptor) [pid 22356] close(23) = -1 EBADF (Bad file descriptor) [pid 22356] close(24) = -1 EBADF (Bad file descriptor) [pid 22356] close(25) = -1 EBADF (Bad file descriptor) [pid 22356] close(26) = -1 EBADF (Bad file descriptor) [pid 22356] close(27) = -1 EBADF (Bad file descriptor) [pid 22356] close(28) = -1 EBADF (Bad file descriptor) [pid 22356] close(29) = -1 EBADF (Bad file descriptor) [pid 22356] exit_group(0) = ? [pid 22357] <... futex resumed>) = ? [pid 22358] <... futex resumed>) = ? [pid 22357] +++ exited with 0 +++ [pid 22358] +++ exited with 0 +++ [pid 22356] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7583", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7583", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7583/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7583/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7583/cgroup.cpu") = 0 [pid 287] umount2("./7583/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7583/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7583/binderfs") = 0 [pid 287] umount2("./7583/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7583/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7583/cgroup") = 0 [pid 287] umount2("./7583/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7583/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7583/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7583") = 0 [pid 287] mkdir("./7584", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22359 attached [pid 22359] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22359] chdir("./7584") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21948 [pid 22359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22359] setpgid(0, 0) = 0 [pid 22359] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22359] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22359] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22359] write(3, "1000", 4) = 4 [pid 22359] close(3) = 0 [pid 22359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22359] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22359] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22359] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22360 attached [pid 22360] set_robust_list(0x7f3b956fb9a0, 24 [pid 22359] <... clone3 resumed> => {parent_tid=[21949]}, 88) = 21949 [pid 22360] <... set_robust_list resumed>) = 0 [pid 22359] rt_sigprocmask(SIG_SETMASK, [], [pid 22360] rt_sigprocmask(SIG_SETMASK, [], [pid 22359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22359] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22359] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22360] <... bpf resumed>) = 3 [pid 22360] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22359] <... futex resumed>) = 0 [pid 22360] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22359] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22359] <... futex resumed>) = 0 [pid 22360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22359] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22360] <... bpf resumed>) = 4 [pid 22360] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22359] <... futex resumed>) = 0 [pid 22360] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22359] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22359] <... futex resumed>) = 0 [pid 22360] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22359] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22360] <... bpf resumed>) = 0 [pid 22359] <... futex resumed>) = 0 [pid 22360] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22360] <... futex resumed>) = 0 [pid 22359] <... mmap resumed>) = 0x7f3b956ba000 [pid 22360] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22359] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22361 attached [pid 22361] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22359] <... clone3 resumed> => {parent_tid=[21950]}, 88) = 21950 [pid 22361] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22359] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22361] <... futex resumed>) = 0 [pid 22359] <... futex resumed>) = 1 [pid 22361] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22359] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22361] <... bpf resumed>) = 5 [pid 22361] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22359] <... futex resumed>) = 0 [pid 22361] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22359] close(3) = 0 [pid 22359] close(4) = 0 [pid 22359] close(5) = 0 [pid 22359] close(6) = -1 EBADF (Bad file descriptor) [pid 22359] close(7) = -1 EBADF (Bad file descriptor) [pid 22359] close(8) = -1 EBADF (Bad file descriptor) [pid 22359] close(9) = -1 EBADF (Bad file descriptor) [pid 22359] close(10) = -1 EBADF (Bad file descriptor) [pid 22359] close(11) = -1 EBADF (Bad file descriptor) [pid 22359] close(12) = -1 EBADF (Bad file descriptor) [pid 22359] close(13) = -1 EBADF (Bad file descriptor) [pid 22359] close(14) = -1 EBADF (Bad file descriptor) [pid 22359] close(15) = -1 EBADF (Bad file descriptor) [pid 22359] close(16) = -1 EBADF (Bad file descriptor) [pid 22359] close(17) = -1 EBADF (Bad file descriptor) [pid 22359] close(18) = -1 EBADF (Bad file descriptor) [pid 22359] close(19) = -1 EBADF (Bad file descriptor) [pid 22359] close(20) = -1 EBADF (Bad file descriptor) [pid 22359] close(21) = -1 EBADF (Bad file descriptor) [pid 22359] close(22) = -1 EBADF (Bad file descriptor) [pid 22359] close(23) = -1 EBADF (Bad file descriptor) [pid 22359] close(24) = -1 EBADF (Bad file descriptor) [pid 22359] close(25) = -1 EBADF (Bad file descriptor) [pid 22359] close(26) = -1 EBADF (Bad file descriptor) [pid 22359] close(27) = -1 EBADF (Bad file descriptor) [pid 22359] close(28) = -1 EBADF (Bad file descriptor) [pid 22359] close(29) = -1 EBADF (Bad file descriptor) [pid 22359] exit_group(0) = ? [pid 22360] <... futex resumed>) = ? [pid 22361] <... futex resumed>) = ? [pid 22361] +++ exited with 0 +++ [pid 22360] +++ exited with 0 +++ [pid 22359] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7584", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7584", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7584/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7584/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7584/cgroup.cpu") = 0 [pid 287] umount2("./7584/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7584/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7584/binderfs") = 0 [pid 287] umount2("./7584/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7584/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7584/cgroup") = 0 [pid 287] umount2("./7584/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7584/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7584/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7584") = 0 [pid 287] mkdir("./7585", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22362 attached [pid 22362] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21951 [pid 22362] chdir("./7585") = 0 [pid 22362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22362] setpgid(0, 0) = 0 [pid 22362] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22362] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22362] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22362] write(3, "1000", 4) = 4 [pid 22362] close(3) = 0 [pid 22362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22362] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22362] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22362] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22363 attached => {parent_tid=[21952]}, 88) = 21952 [pid 22363] set_robust_list(0x7f3b956fb9a0, 24 [pid 22362] rt_sigprocmask(SIG_SETMASK, [], [pid 22363] <... set_robust_list resumed>) = 0 [pid 22362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22363] rt_sigprocmask(SIG_SETMASK, [], [pid 22362] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22362] <... futex resumed>) = 0 [pid 22362] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22363] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22362] <... futex resumed>) = 0 [pid 22363] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22362] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22362] <... futex resumed>) = 0 [pid 22363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22362] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22363] <... bpf resumed>) = 4 [pid 22363] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22362] <... futex resumed>) = 0 [pid 22363] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22362] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22362] <... futex resumed>) = 0 [pid 22363] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22362] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22363] <... bpf resumed>) = 0 [pid 22362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22363] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22362] <... mmap resumed>) = 0x7f3b956ba000 [pid 22363] <... futex resumed>) = 0 [pid 22362] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22363] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22362] <... mprotect resumed>) = 0 [pid 22362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22364 attached => {parent_tid=[21953]}, 88) = 21953 [pid 22364] set_robust_list(0x7f3b956da9a0, 24 [pid 22362] rt_sigprocmask(SIG_SETMASK, [], [pid 22364] <... set_robust_list resumed>) = 0 [pid 22362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22364] rt_sigprocmask(SIG_SETMASK, [], [pid 22362] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22362] <... futex resumed>) = 0 [pid 22364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22362] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22364] <... bpf resumed>) = 5 [pid 22364] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22362] <... futex resumed>) = 0 [pid 22364] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22362] close(3) = 0 [pid 22362] close(4) = 0 [pid 22362] close(5) = 0 [pid 22362] close(6) = -1 EBADF (Bad file descriptor) [pid 22362] close(7) = -1 EBADF (Bad file descriptor) [pid 22362] close(8) = -1 EBADF (Bad file descriptor) [pid 22362] close(9) = -1 EBADF (Bad file descriptor) [pid 22362] close(10) = -1 EBADF (Bad file descriptor) [pid 22362] close(11) = -1 EBADF (Bad file descriptor) [pid 22362] close(12) = -1 EBADF (Bad file descriptor) [pid 22362] close(13) = -1 EBADF (Bad file descriptor) [pid 22362] close(14) = -1 EBADF (Bad file descriptor) [pid 22362] close(15) = -1 EBADF (Bad file descriptor) [pid 22362] close(16) = -1 EBADF (Bad file descriptor) [pid 22362] close(17) = -1 EBADF (Bad file descriptor) [pid 22362] close(18) = -1 EBADF (Bad file descriptor) [pid 22362] close(19) = -1 EBADF (Bad file descriptor) [pid 22362] close(20) = -1 EBADF (Bad file descriptor) [pid 22362] close(21) = -1 EBADF (Bad file descriptor) [pid 22362] close(22) = -1 EBADF (Bad file descriptor) [pid 22362] close(23) = -1 EBADF (Bad file descriptor) [pid 22362] close(24) = -1 EBADF (Bad file descriptor) [pid 22362] close(25) = -1 EBADF (Bad file descriptor) [pid 22362] close(26) = -1 EBADF (Bad file descriptor) [pid 22362] close(27) = -1 EBADF (Bad file descriptor) [pid 22362] close(28) = -1 EBADF (Bad file descriptor) [pid 22362] close(29) = -1 EBADF (Bad file descriptor) [pid 22362] exit_group(0) = ? [pid 22364] <... futex resumed>) = ? [pid 22363] <... futex resumed>) = ? [pid 22363] +++ exited with 0 +++ [pid 22364] +++ exited with 0 +++ [pid 22362] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7585", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7585", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7585/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7585/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7585/cgroup.cpu") = 0 [pid 287] umount2("./7585/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7585/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7585/binderfs") = 0 [pid 287] umount2("./7585/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7585/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7585/cgroup") = 0 [pid 287] umount2("./7585/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7585/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7585/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7585") = 0 [pid 287] mkdir("./7586", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21954 ./strace-static-x86_64: Process 22365 attached [pid 22365] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22365] chdir("./7586") = 0 [pid 22365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22365] setpgid(0, 0) = 0 [pid 22365] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22365] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22365] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22365] write(3, "1000", 4) = 4 [pid 22365] close(3) = 0 [pid 22365] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22365] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22365] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22365] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22366 attached [pid 22366] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22366] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22365] <... clone3 resumed> => {parent_tid=[21955]}, 88) = 21955 [pid 22365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22365] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22366] <... futex resumed>) = 0 [pid 22365] <... futex resumed>) = 1 [pid 22366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22365] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22366] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22366] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22365] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22366] <... futex resumed>) = 0 [pid 22365] <... futex resumed>) = 1 [pid 22366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22365] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22366] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22366] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22365] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22366] <... futex resumed>) = 0 [pid 22365] <... futex resumed>) = 1 [pid 22366] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22366] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22365] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22365] <... futex resumed>) = 0 [pid 22366] <... bpf resumed>) = 5 [pid 22366] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22366] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22365] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22365] close(3) = 0 [pid 22365] close(4) = 0 [pid 22365] close(5) = 0 [pid 22365] close(6) = -1 EBADF (Bad file descriptor) [pid 22365] close(7) = -1 EBADF (Bad file descriptor) [pid 22365] close(8) = -1 EBADF (Bad file descriptor) [pid 22365] close(9) = -1 EBADF (Bad file descriptor) [pid 22365] close(10) = -1 EBADF (Bad file descriptor) [pid 22365] close(11) = -1 EBADF (Bad file descriptor) [pid 22365] close(12) = -1 EBADF (Bad file descriptor) [pid 22365] close(13) = -1 EBADF (Bad file descriptor) [pid 22365] close(14) = -1 EBADF (Bad file descriptor) [pid 22365] close(15) = -1 EBADF (Bad file descriptor) [pid 22365] close(16) = -1 EBADF (Bad file descriptor) [pid 22365] close(17) = -1 EBADF (Bad file descriptor) [pid 22365] close(18) = -1 EBADF (Bad file descriptor) [pid 22365] close(19) = -1 EBADF (Bad file descriptor) [pid 22365] close(20) = -1 EBADF (Bad file descriptor) [pid 22365] close(21) = -1 EBADF (Bad file descriptor) [pid 22365] close(22) = -1 EBADF (Bad file descriptor) [pid 22365] close(23) = -1 EBADF (Bad file descriptor) [pid 22365] close(24) = -1 EBADF (Bad file descriptor) [pid 22365] close(25) = -1 EBADF (Bad file descriptor) [pid 22365] close(26) = -1 EBADF (Bad file descriptor) [pid 22365] close(27) = -1 EBADF (Bad file descriptor) [pid 22365] close(28) = -1 EBADF (Bad file descriptor) [pid 22365] close(29) = -1 EBADF (Bad file descriptor) [pid 22365] exit_group(0 [pid 22366] <... futex resumed>) = ? [pid 22365] <... exit_group resumed>) = ? [pid 22366] +++ exited with 0 +++ [pid 22365] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7586", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7586", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7586/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7586/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7586/cgroup.cpu") = 0 [pid 287] umount2("./7586/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7586/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7586/binderfs") = 0 [pid 287] umount2("./7586/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7586/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7586/cgroup") = 0 [pid 287] umount2("./7586/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7586/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7586/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7586") = 0 [pid 287] mkdir("./7587", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21956 ./strace-static-x86_64: Process 22367 attached [pid 22367] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22367] chdir("./7587") = 0 [pid 22367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22367] setpgid(0, 0) = 0 [pid 22367] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22367] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22367] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22367] write(3, "1000", 4) = 4 [pid 22367] close(3) = 0 [pid 22367] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22367] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22367] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22367] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22368 attached [pid 22368] set_robust_list(0x7f3b956fb9a0, 24 [pid 22367] <... clone3 resumed> => {parent_tid=[21957]}, 88) = 21957 [pid 22368] <... set_robust_list resumed>) = 0 [pid 22368] rt_sigprocmask(SIG_SETMASK, [], [pid 22367] rt_sigprocmask(SIG_SETMASK, [], [pid 22368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22368] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22367] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22368] <... futex resumed>) = 0 [pid 22367] <... futex resumed>) = 1 [pid 22368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22367] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22368] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22368] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22367] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22367] <... futex resumed>) = 0 [pid 22368] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22367] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22368] <... bpf resumed>) = 4 [pid 22368] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22367] <... futex resumed>) = 0 [pid 22368] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22367] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22368] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22367] <... futex resumed>) = 0 [pid 22368] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22367] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22367] <... futex resumed>) = 0 [pid 22368] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22367] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22368] <... futex resumed>) = 0 [pid 22368] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22367] close(3) = 0 [pid 22367] close(4) = 0 [pid 22367] close(5) = 0 [pid 22367] close(6) = -1 EBADF (Bad file descriptor) [pid 22367] close(7) = -1 EBADF (Bad file descriptor) [pid 22367] close(8) = -1 EBADF (Bad file descriptor) [pid 22367] close(9) = -1 EBADF (Bad file descriptor) [pid 22367] close(10) = -1 EBADF (Bad file descriptor) [pid 22367] close(11) = -1 EBADF (Bad file descriptor) [pid 22367] close(12) = -1 EBADF (Bad file descriptor) [pid 22367] close(13) = -1 EBADF (Bad file descriptor) [pid 22367] close(14) = -1 EBADF (Bad file descriptor) [pid 22367] close(15) = -1 EBADF (Bad file descriptor) [pid 22367] close(16) = -1 EBADF (Bad file descriptor) [pid 22367] close(17) = -1 EBADF (Bad file descriptor) [pid 22367] close(18) = -1 EBADF (Bad file descriptor) [pid 22367] close(19) = -1 EBADF (Bad file descriptor) [pid 22367] close(20) = -1 EBADF (Bad file descriptor) [pid 22367] close(21) = -1 EBADF (Bad file descriptor) [pid 22367] close(22) = -1 EBADF (Bad file descriptor) [pid 22367] close(23) = -1 EBADF (Bad file descriptor) [pid 22367] close(24) = -1 EBADF (Bad file descriptor) [pid 22367] close(25) = -1 EBADF (Bad file descriptor) [pid 22367] close(26) = -1 EBADF (Bad file descriptor) [pid 22367] close(27) = -1 EBADF (Bad file descriptor) [pid 22367] close(28) = -1 EBADF (Bad file descriptor) [pid 22367] close(29) = -1 EBADF (Bad file descriptor) [pid 22367] exit_group(0 [pid 22368] <... futex resumed>) = ? [pid 22367] <... exit_group resumed>) = ? [pid 22368] +++ exited with 0 +++ [pid 22367] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7587", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7587", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7587/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7587/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7587/cgroup.cpu") = 0 [pid 287] umount2("./7587/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7587/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7587/binderfs") = 0 [pid 287] umount2("./7587/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7587/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7587/cgroup") = 0 [pid 287] umount2("./7587/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7587/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7587/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7587") = 0 [pid 287] mkdir("./7588", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22369 attached [pid 22369] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21958 [pid 22369] chdir("./7588") = 0 [pid 22369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22369] setpgid(0, 0) = 0 [pid 22369] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22369] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22369] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22369] write(3, "1000", 4) = 4 [pid 22369] close(3) = 0 [pid 22369] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22369] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22369] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22369] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22370 attached [pid 22370] set_robust_list(0x7f3b956fb9a0, 24 [pid 22369] <... clone3 resumed> => {parent_tid=[21959]}, 88) = 21959 [pid 22370] <... set_robust_list resumed>) = 0 [pid 22369] rt_sigprocmask(SIG_SETMASK, [], [pid 22370] rt_sigprocmask(SIG_SETMASK, [], [pid 22369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22369] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22369] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22370] <... bpf resumed>) = 3 [pid 22370] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22369] <... futex resumed>) = 0 [pid 22370] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22369] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22369] <... futex resumed>) = 0 [pid 22370] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22369] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22370] <... bpf resumed>) = 4 [pid 22370] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22369] <... futex resumed>) = 0 [pid 22370] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22369] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22369] <... futex resumed>) = 0 [pid 22370] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22369] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22370] <... bpf resumed>) = 0 [pid 22369] <... futex resumed>) = 0 [pid 22370] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22370] <... futex resumed>) = 0 [pid 22369] <... mmap resumed>) = 0x7f3b956ba000 [pid 22370] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22369] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22371 attached => {parent_tid=[21960]}, 88) = 21960 [pid 22371] set_robust_list(0x7f3b956da9a0, 24 [pid 22369] rt_sigprocmask(SIG_SETMASK, [], [pid 22371] <... set_robust_list resumed>) = 0 [pid 22369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22371] rt_sigprocmask(SIG_SETMASK, [], [pid 22369] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22369] <... futex resumed>) = 0 [pid 22371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22369] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22371] <... bpf resumed>) = 5 [pid 22371] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22369] <... futex resumed>) = 0 [pid 22371] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22369] close(3) = 0 [pid 22369] close(4) = 0 [pid 22369] close(5) = 0 [pid 22369] close(6) = -1 EBADF (Bad file descriptor) [pid 22369] close(7) = -1 EBADF (Bad file descriptor) [pid 22369] close(8) = -1 EBADF (Bad file descriptor) [pid 22369] close(9) = -1 EBADF (Bad file descriptor) [pid 22369] close(10) = -1 EBADF (Bad file descriptor) [pid 22369] close(11) = -1 EBADF (Bad file descriptor) [pid 22369] close(12) = -1 EBADF (Bad file descriptor) [pid 22369] close(13) = -1 EBADF (Bad file descriptor) [pid 22369] close(14) = -1 EBADF (Bad file descriptor) [pid 22369] close(15) = -1 EBADF (Bad file descriptor) [pid 22369] close(16) = -1 EBADF (Bad file descriptor) [pid 22369] close(17) = -1 EBADF (Bad file descriptor) [pid 22369] close(18) = -1 EBADF (Bad file descriptor) [pid 22369] close(19) = -1 EBADF (Bad file descriptor) [pid 22369] close(20) = -1 EBADF (Bad file descriptor) [pid 22369] close(21) = -1 EBADF (Bad file descriptor) [pid 22369] close(22) = -1 EBADF (Bad file descriptor) [pid 22369] close(23) = -1 EBADF (Bad file descriptor) [pid 22369] close(24) = -1 EBADF (Bad file descriptor) [pid 22369] close(25) = -1 EBADF (Bad file descriptor) [pid 22369] close(26) = -1 EBADF (Bad file descriptor) [pid 22369] close(27) = -1 EBADF (Bad file descriptor) [pid 22369] close(28) = -1 EBADF (Bad file descriptor) [pid 22369] close(29) = -1 EBADF (Bad file descriptor) [pid 22369] exit_group(0) = ? [pid 22370] <... futex resumed>) = ? [pid 22371] <... futex resumed>) = ? [pid 22371] +++ exited with 0 +++ [pid 22370] +++ exited with 0 +++ [pid 22369] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7588", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7588", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7588/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7588/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7588/cgroup.cpu") = 0 [pid 287] umount2("./7588/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7588/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7588/binderfs") = 0 [pid 287] umount2("./7588/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7588/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7588/cgroup") = 0 [pid 287] umount2("./7588/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7588/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7588/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7588") = 0 [pid 287] mkdir("./7589", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22372 attached [pid 22372] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22372] chdir("./7589" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21961 [pid 22372] <... chdir resumed>) = 0 [pid 22372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22372] setpgid(0, 0) = 0 [pid 22372] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22372] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22372] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22372] write(3, "1000", 4) = 4 [pid 22372] close(3) = 0 [pid 22372] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22372] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22372] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22372] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22373 attached [pid 22373] set_robust_list(0x7f3b956fb9a0, 24 [pid 22372] <... clone3 resumed> => {parent_tid=[21962]}, 88) = 21962 [pid 22373] <... set_robust_list resumed>) = 0 [pid 22372] rt_sigprocmask(SIG_SETMASK, [], [pid 22373] rt_sigprocmask(SIG_SETMASK, [], [pid 22372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22372] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22372] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22373] <... bpf resumed>) = 3 [pid 22373] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22372] <... futex resumed>) = 0 [pid 22373] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22372] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22372] <... futex resumed>) = 0 [pid 22373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22372] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22373] <... bpf resumed>) = 4 [pid 22373] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22372] <... futex resumed>) = 0 [pid 22373] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22372] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22372] <... futex resumed>) = 0 [pid 22373] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22372] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22373] <... bpf resumed>) = 0 [pid 22372] <... futex resumed>) = 0 [pid 22373] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22373] <... futex resumed>) = 0 [pid 22372] <... mmap resumed>) = 0x7f3b956ba000 [pid 22373] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22372] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22374 attached [pid 22374] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22372] <... clone3 resumed> => {parent_tid=[21963]}, 88) = 21963 [pid 22374] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22372] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22374] <... futex resumed>) = 0 [pid 22372] <... futex resumed>) = 1 [pid 22374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22372] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22374] <... bpf resumed>) = 5 [pid 22374] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22372] <... futex resumed>) = 0 [pid 22374] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22372] close(3) = 0 [pid 22372] close(4) = 0 [pid 22372] close(5) = 0 [pid 22372] close(6) = -1 EBADF (Bad file descriptor) [pid 22372] close(7) = -1 EBADF (Bad file descriptor) [pid 22372] close(8) = -1 EBADF (Bad file descriptor) [pid 22372] close(9) = -1 EBADF (Bad file descriptor) [pid 22372] close(10) = -1 EBADF (Bad file descriptor) [pid 22372] close(11) = -1 EBADF (Bad file descriptor) [pid 22372] close(12) = -1 EBADF (Bad file descriptor) [pid 22372] close(13) = -1 EBADF (Bad file descriptor) [pid 22372] close(14) = -1 EBADF (Bad file descriptor) [pid 22372] close(15) = -1 EBADF (Bad file descriptor) [pid 22372] close(16) = -1 EBADF (Bad file descriptor) [pid 22372] close(17) = -1 EBADF (Bad file descriptor) [pid 22372] close(18) = -1 EBADF (Bad file descriptor) [pid 22372] close(19) = -1 EBADF (Bad file descriptor) [pid 22372] close(20) = -1 EBADF (Bad file descriptor) [pid 22372] close(21) = -1 EBADF (Bad file descriptor) [pid 22372] close(22) = -1 EBADF (Bad file descriptor) [pid 22372] close(23) = -1 EBADF (Bad file descriptor) [pid 22372] close(24) = -1 EBADF (Bad file descriptor) [pid 22372] close(25) = -1 EBADF (Bad file descriptor) [pid 22372] close(26) = -1 EBADF (Bad file descriptor) [pid 22372] close(27) = -1 EBADF (Bad file descriptor) [pid 22372] close(28) = -1 EBADF (Bad file descriptor) [pid 22372] close(29) = -1 EBADF (Bad file descriptor) [pid 22372] exit_group(0 [pid 22374] <... futex resumed>) = ? [pid 22373] <... futex resumed>) = ? [pid 22372] <... exit_group resumed>) = ? [pid 22374] +++ exited with 0 +++ [pid 22373] +++ exited with 0 +++ [pid 22372] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7589", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7589", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7589/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7589/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7589/cgroup.cpu") = 0 [pid 287] umount2("./7589/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7589/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7589/binderfs") = 0 [pid 287] umount2("./7589/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7589/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7589/cgroup") = 0 [pid 287] umount2("./7589/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7589/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7589/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7589") = 0 [pid 287] mkdir("./7590", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22375 attached [pid 22375] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22375] chdir("./7590" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21964 [pid 22375] <... chdir resumed>) = 0 [pid 22375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22375] setpgid(0, 0) = 0 [pid 22375] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22375] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22375] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22375] write(3, "1000", 4) = 4 [pid 22375] close(3) = 0 [pid 22375] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22375] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22375] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22375] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22376 attached [pid 22376] set_robust_list(0x7f3b956fb9a0, 24 [pid 22375] <... clone3 resumed> => {parent_tid=[21965]}, 88) = 21965 [pid 22376] <... set_robust_list resumed>) = 0 [pid 22375] rt_sigprocmask(SIG_SETMASK, [], [pid 22376] rt_sigprocmask(SIG_SETMASK, [], [pid 22375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22375] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22376] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22375] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22376] <... bpf resumed>) = 3 [pid 22376] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22375] <... futex resumed>) = 0 [pid 22376] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22375] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22375] <... futex resumed>) = 0 [pid 22376] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22375] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22376] <... bpf resumed>) = 4 [pid 22376] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22375] <... futex resumed>) = 0 [pid 22376] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22375] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22375] <... futex resumed>) = 0 [pid 22376] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22375] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22376] <... bpf resumed>) = 0 [pid 22375] <... futex resumed>) = 0 [pid 22376] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22376] <... futex resumed>) = 0 [pid 22375] <... mmap resumed>) = 0x7f3b956ba000 [pid 22376] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22375] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22377 attached [pid 22377] set_robust_list(0x7f3b956da9a0, 24 [pid 22375] <... clone3 resumed> => {parent_tid=[21966]}, 88) = 21966 [pid 22377] <... set_robust_list resumed>) = 0 [pid 22377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22377] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22375] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22377] <... futex resumed>) = 0 [pid 22375] <... futex resumed>) = 1 [pid 22377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22375] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22377] <... bpf resumed>) = 5 [pid 22377] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22375] <... futex resumed>) = 0 [pid 22377] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22375] close(3) = 0 [pid 22375] close(4) = 0 [pid 22375] close(5) = 0 [pid 22375] close(6) = -1 EBADF (Bad file descriptor) [pid 22375] close(7) = -1 EBADF (Bad file descriptor) [pid 22375] close(8) = -1 EBADF (Bad file descriptor) [pid 22375] close(9) = -1 EBADF (Bad file descriptor) [pid 22375] close(10) = -1 EBADF (Bad file descriptor) [pid 22375] close(11) = -1 EBADF (Bad file descriptor) [pid 22375] close(12) = -1 EBADF (Bad file descriptor) [pid 22375] close(13) = -1 EBADF (Bad file descriptor) [pid 22375] close(14) = -1 EBADF (Bad file descriptor) [pid 22375] close(15) = -1 EBADF (Bad file descriptor) [pid 22375] close(16) = -1 EBADF (Bad file descriptor) [pid 22375] close(17) = -1 EBADF (Bad file descriptor) [pid 22375] close(18) = -1 EBADF (Bad file descriptor) [pid 22375] close(19) = -1 EBADF (Bad file descriptor) [pid 22375] close(20) = -1 EBADF (Bad file descriptor) [pid 22375] close(21) = -1 EBADF (Bad file descriptor) [pid 22375] close(22) = -1 EBADF (Bad file descriptor) [pid 22375] close(23) = -1 EBADF (Bad file descriptor) [pid 22375] close(24) = -1 EBADF (Bad file descriptor) [pid 22375] close(25) = -1 EBADF (Bad file descriptor) [pid 22375] close(26) = -1 EBADF (Bad file descriptor) [pid 22375] close(27) = -1 EBADF (Bad file descriptor) [pid 22375] close(28) = -1 EBADF (Bad file descriptor) [pid 22375] close(29) = -1 EBADF (Bad file descriptor) [pid 22375] exit_group(0 [pid 22376] <... futex resumed>) = ? [pid 22375] <... exit_group resumed>) = ? [pid 22377] <... futex resumed>) = 230 [pid 22376] +++ exited with 0 +++ [pid 22377] +++ exited with 0 +++ [pid 22375] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7590", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7590", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7590/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7590/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7590/cgroup.cpu") = 0 [pid 287] umount2("./7590/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7590/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7590/binderfs") = 0 [pid 287] umount2("./7590/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7590/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7590/cgroup") = 0 [pid 287] umount2("./7590/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7590/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7590/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7590") = 0 [pid 287] mkdir("./7591", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22378 attached [pid 22378] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22378] chdir("./7591" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21967 [pid 22378] <... chdir resumed>) = 0 [pid 22378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22378] setpgid(0, 0) = 0 [pid 22378] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22378] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22378] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22378] write(3, "1000", 4) = 4 [pid 22378] close(3) = 0 [pid 22378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22378] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22378] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22378] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22379 attached [pid 22379] set_robust_list(0x7f3b956fb9a0, 24 [pid 22378] <... clone3 resumed> => {parent_tid=[21968]}, 88) = 21968 [pid 22379] <... set_robust_list resumed>) = 0 [pid 22378] rt_sigprocmask(SIG_SETMASK, [], [pid 22379] rt_sigprocmask(SIG_SETMASK, [], [pid 22378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22378] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22378] <... futex resumed>) = 0 [pid 22378] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22379] <... bpf resumed>) = 3 [pid 22379] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22378] <... futex resumed>) = 0 [pid 22379] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22378] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22379] <... bpf resumed>) = 4 [pid 22378] <... futex resumed>) = 0 [pid 22379] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22378] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22379] <... futex resumed>) = 0 [pid 22378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22379] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22378] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22378] <... futex resumed>) = 0 [pid 22379] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22378] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22379] <... bpf resumed>) = 0 [pid 22378] <... futex resumed>) = 0 [pid 22379] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22379] <... futex resumed>) = 0 [pid 22378] <... mmap resumed>) = 0x7f3b956ba000 [pid 22379] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22378] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22380 attached [pid 22380] set_robust_list(0x7f3b956da9a0, 24 [pid 22378] <... clone3 resumed> => {parent_tid=[21969]}, 88) = 21969 [pid 22380] <... set_robust_list resumed>) = 0 [pid 22380] rt_sigprocmask(SIG_SETMASK, [], [pid 22378] rt_sigprocmask(SIG_SETMASK, [], [pid 22380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22380] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22378] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22380] <... futex resumed>) = 0 [pid 22378] <... futex resumed>) = 1 [pid 22380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22378] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22380] <... bpf resumed>) = 5 [pid 22380] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22378] <... futex resumed>) = 0 [pid 22380] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22378] close(3) = 0 [pid 22378] close(4) = 0 [pid 22378] close(5) = 0 [pid 22378] close(6) = -1 EBADF (Bad file descriptor) [pid 22378] close(7) = -1 EBADF (Bad file descriptor) [pid 22378] close(8) = -1 EBADF (Bad file descriptor) [pid 22378] close(9) = -1 EBADF (Bad file descriptor) [pid 22378] close(10) = -1 EBADF (Bad file descriptor) [pid 22378] close(11) = -1 EBADF (Bad file descriptor) [pid 22378] close(12) = -1 EBADF (Bad file descriptor) [pid 22378] close(13) = -1 EBADF (Bad file descriptor) [pid 22378] close(14) = -1 EBADF (Bad file descriptor) [pid 22378] close(15) = -1 EBADF (Bad file descriptor) [pid 22378] close(16) = -1 EBADF (Bad file descriptor) [pid 22378] close(17) = -1 EBADF (Bad file descriptor) [pid 22378] close(18) = -1 EBADF (Bad file descriptor) [pid 22378] close(19) = -1 EBADF (Bad file descriptor) [pid 22378] close(20) = -1 EBADF (Bad file descriptor) [pid 22378] close(21) = -1 EBADF (Bad file descriptor) [pid 22378] close(22) = -1 EBADF (Bad file descriptor) [pid 22378] close(23) = -1 EBADF (Bad file descriptor) [pid 22378] close(24) = -1 EBADF (Bad file descriptor) [pid 22378] close(25) = -1 EBADF (Bad file descriptor) [pid 22378] close(26) = -1 EBADF (Bad file descriptor) [pid 22378] close(27) = -1 EBADF (Bad file descriptor) [pid 22378] close(28) = -1 EBADF (Bad file descriptor) [pid 22378] close(29) = -1 EBADF (Bad file descriptor) [pid 22378] exit_group(0) = ? [pid 22379] <... futex resumed>) = ? [pid 22380] <... futex resumed>) = ? [pid 22380] +++ exited with 0 +++ [pid 22379] +++ exited with 0 +++ [pid 22378] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7591", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7591", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7591/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7591/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7591/cgroup.cpu") = 0 [pid 287] umount2("./7591/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7591/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7591/binderfs") = 0 [pid 287] umount2("./7591/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7591/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7591/cgroup") = 0 [pid 287] umount2("./7591/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7591/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7591/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7591") = 0 [pid 287] mkdir("./7592", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22381 attached [pid 22381] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22381] chdir("./7592") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21970 [pid 22381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22381] setpgid(0, 0) = 0 [pid 22381] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22381] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22381] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22381] write(3, "1000", 4) = 4 [pid 22381] close(3) = 0 [pid 22381] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22381] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22381] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22381] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22382 attached [pid 22382] set_robust_list(0x7f3b956fb9a0, 24 [pid 22381] <... clone3 resumed> => {parent_tid=[21971]}, 88) = 21971 [pid 22382] <... set_robust_list resumed>) = 0 [pid 22381] rt_sigprocmask(SIG_SETMASK, [], [pid 22382] rt_sigprocmask(SIG_SETMASK, [], [pid 22381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22381] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22381] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22382] <... bpf resumed>) = 3 [pid 22382] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22381] <... futex resumed>) = 0 [pid 22381] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22381] <... futex resumed>) = 0 [pid 22381] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22382] <... bpf resumed>) = 4 [pid 22382] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22381] <... futex resumed>) = 0 [pid 22382] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22381] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22381] <... futex resumed>) = 0 [pid 22382] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22381] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22382] <... bpf resumed>) = 0 [pid 22381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22382] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22381] <... mmap resumed>) = 0x7f3b956ba000 [pid 22382] <... futex resumed>) = 0 [pid 22381] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22382] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22381] <... mprotect resumed>) = 0 [pid 22381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22383 attached => {parent_tid=[21972]}, 88) = 21972 [pid 22383] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22381] rt_sigprocmask(SIG_SETMASK, [], [pid 22383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22383] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22381] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22381] <... futex resumed>) = 0 [pid 22381] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22383] <... bpf resumed>) = 5 [pid 22383] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22381] <... futex resumed>) = 0 [pid 22383] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22381] close(3) = 0 [pid 22381] close(4) = 0 [pid 22381] close(5) = 0 [pid 22381] close(6) = -1 EBADF (Bad file descriptor) [pid 22381] close(7) = -1 EBADF (Bad file descriptor) [pid 22381] close(8) = -1 EBADF (Bad file descriptor) [pid 22381] close(9) = -1 EBADF (Bad file descriptor) [pid 22381] close(10) = -1 EBADF (Bad file descriptor) [pid 22381] close(11) = -1 EBADF (Bad file descriptor) [pid 22381] close(12) = -1 EBADF (Bad file descriptor) [pid 22381] close(13) = -1 EBADF (Bad file descriptor) [pid 22381] close(14) = -1 EBADF (Bad file descriptor) [pid 22381] close(15) = -1 EBADF (Bad file descriptor) [pid 22381] close(16) = -1 EBADF (Bad file descriptor) [pid 22381] close(17) = -1 EBADF (Bad file descriptor) [pid 22381] close(18) = -1 EBADF (Bad file descriptor) [pid 22381] close(19) = -1 EBADF (Bad file descriptor) [pid 22381] close(20) = -1 EBADF (Bad file descriptor) [pid 22381] close(21) = -1 EBADF (Bad file descriptor) [pid 22381] close(22) = -1 EBADF (Bad file descriptor) [pid 22381] close(23) = -1 EBADF (Bad file descriptor) [pid 22381] close(24) = -1 EBADF (Bad file descriptor) [pid 22381] close(25) = -1 EBADF (Bad file descriptor) [pid 22381] close(26) = -1 EBADF (Bad file descriptor) [pid 22381] close(27) = -1 EBADF (Bad file descriptor) [pid 22381] close(28) = -1 EBADF (Bad file descriptor) [pid 22381] close(29) = -1 EBADF (Bad file descriptor) [pid 22381] exit_group(0) = ? [pid 22382] <... futex resumed>) = ? [pid 22383] <... futex resumed>) = ? [pid 22383] +++ exited with 0 +++ [pid 22382] +++ exited with 0 +++ [pid 22381] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7592", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7592", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7592/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7592/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7592/cgroup.cpu") = 0 [pid 287] umount2("./7592/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7592/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7592/binderfs") = 0 [pid 287] umount2("./7592/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7592/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7592/cgroup") = 0 [pid 287] umount2("./7592/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7592/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7592/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7592") = 0 [pid 287] mkdir("./7593", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21973 ./strace-static-x86_64: Process 22384 attached [pid 22384] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22384] chdir("./7593") = 0 [pid 22384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22384] setpgid(0, 0) = 0 [pid 22384] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22384] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22384] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22384] write(3, "1000", 4) = 4 [pid 22384] close(3) = 0 [pid 22384] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22384] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22384] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22384] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22385 attached [pid 22385] set_robust_list(0x7f3b956fb9a0, 24 [pid 22384] <... clone3 resumed> => {parent_tid=[21974]}, 88) = 21974 [pid 22385] <... set_robust_list resumed>) = 0 [pid 22384] rt_sigprocmask(SIG_SETMASK, [], [pid 22385] rt_sigprocmask(SIG_SETMASK, [], [pid 22384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22384] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22384] <... futex resumed>) = 0 [pid 22385] <... bpf resumed>) = 3 [pid 22385] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22384] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22385] <... futex resumed>) = 0 [pid 22385] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22384] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22385] <... futex resumed>) = 0 [pid 22384] <... futex resumed>) = 1 [pid 22385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22384] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22385] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22385] <... futex resumed>) = 0 [pid 22384] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22385] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22384] <... futex resumed>) = 0 [pid 22385] <... bpf resumed>) = 0 [pid 22384] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22385] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22385] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22384] <... futex resumed>) = 0 [pid 22384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22384] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22386 attached [pid 22386] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22384] <... clone3 resumed> => {parent_tid=[21975]}, 88) = 21975 [pid 22386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22386] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22384] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22386] <... futex resumed>) = 0 [pid 22384] <... futex resumed>) = 1 [pid 22386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22384] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22386] <... bpf resumed>) = 5 [pid 22386] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22384] <... futex resumed>) = 0 [pid 22384] close(3) = 0 [pid 22384] close(4 [pid 22386] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22384] <... close resumed>) = 0 [pid 22384] close(5) = 0 [pid 22384] close(6) = -1 EBADF (Bad file descriptor) [pid 22384] close(7) = -1 EBADF (Bad file descriptor) [pid 22384] close(8) = -1 EBADF (Bad file descriptor) [pid 22384] close(9) = -1 EBADF (Bad file descriptor) [pid 22384] close(10) = -1 EBADF (Bad file descriptor) [pid 22384] close(11) = -1 EBADF (Bad file descriptor) [pid 22384] close(12) = -1 EBADF (Bad file descriptor) [pid 22384] close(13) = -1 EBADF (Bad file descriptor) [pid 22384] close(14) = -1 EBADF (Bad file descriptor) [pid 22384] close(15) = -1 EBADF (Bad file descriptor) [pid 22384] close(16) = -1 EBADF (Bad file descriptor) [pid 22384] close(17) = -1 EBADF (Bad file descriptor) [pid 22384] close(18) = -1 EBADF (Bad file descriptor) [pid 22384] close(19) = -1 EBADF (Bad file descriptor) [pid 22384] close(20) = -1 EBADF (Bad file descriptor) [pid 22384] close(21) = -1 EBADF (Bad file descriptor) [pid 22384] close(22) = -1 EBADF (Bad file descriptor) [pid 22384] close(23) = -1 EBADF (Bad file descriptor) [pid 22384] close(24) = -1 EBADF (Bad file descriptor) [pid 22384] close(25) = -1 EBADF (Bad file descriptor) [pid 22384] close(26) = -1 EBADF (Bad file descriptor) [pid 22384] close(27) = -1 EBADF (Bad file descriptor) [pid 22384] close(28) = -1 EBADF (Bad file descriptor) [pid 22384] close(29) = -1 EBADF (Bad file descriptor) [pid 22384] exit_group(0 [pid 22386] <... futex resumed>) = ? [pid 22385] <... futex resumed>) = ? [pid 22384] <... exit_group resumed>) = ? [pid 22386] +++ exited with 0 +++ [pid 22385] +++ exited with 0 +++ [pid 22384] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7593", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7593", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7593/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7593/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7593/cgroup.cpu") = 0 [pid 287] umount2("./7593/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7593/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7593/binderfs") = 0 [pid 287] umount2("./7593/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7593/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7593/cgroup") = 0 [pid 287] umount2("./7593/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7593/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7593/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7593") = 0 [pid 287] mkdir("./7594", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22387 attached [pid 22387] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22387] chdir("./7594") = 0 [pid 22387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22387] setpgid(0, 0) = 0 [pid 22387] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21976 [pid 22387] <... symlink resumed>) = 0 [pid 22387] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22387] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22387] write(3, "1000", 4) = 4 [pid 22387] close(3) = 0 [pid 22387] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22387] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22387] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22387] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22388 attached => {parent_tid=[21977]}, 88) = 21977 [pid 22388] set_robust_list(0x7f3b956fb9a0, 24 [pid 22387] rt_sigprocmask(SIG_SETMASK, [], [pid 22388] <... set_robust_list resumed>) = 0 [pid 22387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22388] rt_sigprocmask(SIG_SETMASK, [], [pid 22387] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22387] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22388] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22387] <... futex resumed>) = 0 [pid 22388] <... futex resumed>) = 1 [pid 22387] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22387] <... futex resumed>) = 0 [pid 22388] <... bpf resumed>) = 4 [pid 22387] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22388] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22388] <... futex resumed>) = 0 [pid 22387] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22388] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22387] <... futex resumed>) = 0 [pid 22387] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22388] <... bpf resumed>) = 0 [pid 22387] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22388] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22387] <... mprotect resumed>) = 0 [pid 22388] <... futex resumed>) = 0 [pid 22387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22388] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22389 attached [pid 22389] set_robust_list(0x7f3b956da9a0, 24 [pid 22387] <... clone3 resumed> => {parent_tid=[21978]}, 88) = 21978 [pid 22387] rt_sigprocmask(SIG_SETMASK, [], [pid 22389] <... set_robust_list resumed>) = 0 [pid 22389] rt_sigprocmask(SIG_SETMASK, [], [pid 22387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22389] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22387] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22387] <... futex resumed>) = 0 [pid 22389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22387] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22389] <... bpf resumed>) = 5 [pid 22389] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22387] <... futex resumed>) = 0 [pid 22389] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22387] close(3) = 0 [pid 22387] close(4) = 0 [pid 22387] close(5) = 0 [pid 22387] close(6) = -1 EBADF (Bad file descriptor) [pid 22387] close(7) = -1 EBADF (Bad file descriptor) [pid 22387] close(8) = -1 EBADF (Bad file descriptor) [pid 22387] close(9) = -1 EBADF (Bad file descriptor) [pid 22387] close(10) = -1 EBADF (Bad file descriptor) [pid 22387] close(11) = -1 EBADF (Bad file descriptor) [pid 22387] close(12) = -1 EBADF (Bad file descriptor) [pid 22387] close(13) = -1 EBADF (Bad file descriptor) [pid 22387] close(14) = -1 EBADF (Bad file descriptor) [pid 22387] close(15) = -1 EBADF (Bad file descriptor) [pid 22387] close(16) = -1 EBADF (Bad file descriptor) [pid 22387] close(17) = -1 EBADF (Bad file descriptor) [pid 22387] close(18) = -1 EBADF (Bad file descriptor) [pid 22387] close(19) = -1 EBADF (Bad file descriptor) [pid 22387] close(20) = -1 EBADF (Bad file descriptor) [pid 22387] close(21) = -1 EBADF (Bad file descriptor) [pid 22387] close(22) = -1 EBADF (Bad file descriptor) [pid 22387] close(23) = -1 EBADF (Bad file descriptor) [pid 22387] close(24) = -1 EBADF (Bad file descriptor) [pid 22387] close(25) = -1 EBADF (Bad file descriptor) [pid 22387] close(26) = -1 EBADF (Bad file descriptor) [pid 22387] close(27) = -1 EBADF (Bad file descriptor) [pid 22387] close(28) = -1 EBADF (Bad file descriptor) [pid 22387] close(29) = -1 EBADF (Bad file descriptor) [pid 22387] exit_group(0 [pid 22389] <... futex resumed>) = ? [pid 22388] <... futex resumed>) = ? [pid 22387] <... exit_group resumed>) = ? [pid 22389] +++ exited with 0 +++ [pid 22388] +++ exited with 0 +++ [pid 22387] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7594", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7594", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7594/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7594/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7594/cgroup.cpu") = 0 [pid 287] umount2("./7594/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7594/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7594/binderfs") = 0 [pid 287] umount2("./7594/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7594/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7594/cgroup") = 0 [pid 287] umount2("./7594/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7594/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7594/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7594") = 0 [pid 287] mkdir("./7595", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22390 attached [pid 22390] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22390] chdir("./7595" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21979 [pid 22390] <... chdir resumed>) = 0 [pid 22390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22390] setpgid(0, 0) = 0 [pid 22390] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22390] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22390] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22390] write(3, "1000", 4) = 4 [pid 22390] close(3) = 0 [pid 22390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22390] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22390] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22390] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[21980]}, 88) = 21980 ./strace-static-x86_64: Process 22391 attached [pid 22390] rt_sigprocmask(SIG_SETMASK, [], [pid 22391] set_robust_list(0x7f3b956fb9a0, 24 [pid 22390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22391] <... set_robust_list resumed>) = 0 [pid 22390] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22391] rt_sigprocmask(SIG_SETMASK, [], [pid 22390] <... futex resumed>) = 0 [pid 22391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22390] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22391] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22390] <... futex resumed>) = 0 [pid 22390] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22391] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22390] <... futex resumed>) = 0 [pid 22391] <... bpf resumed>) = 4 [pid 22390] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22391] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22390] <... futex resumed>) = 0 [pid 22391] <... futex resumed>) = 1 [pid 22390] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22391] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22390] <... futex resumed>) = 0 [pid 22391] <... bpf resumed>) = 0 [pid 22390] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22391] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22390] <... futex resumed>) = 0 [pid 22391] <... futex resumed>) = 0 [pid 22390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22391] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22390] <... mmap resumed>) = 0x7f3b956ba000 [pid 22390] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22392 attached [pid 22392] set_robust_list(0x7f3b956da9a0, 24 [pid 22390] <... clone3 resumed> => {parent_tid=[21981]}, 88) = 21981 [pid 22392] <... set_robust_list resumed>) = 0 [pid 22390] rt_sigprocmask(SIG_SETMASK, [], [pid 22392] rt_sigprocmask(SIG_SETMASK, [], [pid 22390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22390] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22390] <... futex resumed>) = 0 [pid 22390] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22392] <... bpf resumed>) = 5 [pid 22392] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22390] <... futex resumed>) = 0 [pid 22392] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22390] close(3) = 0 [pid 22390] close(4) = 0 [pid 22390] close(5) = 0 [pid 22390] close(6) = -1 EBADF (Bad file descriptor) [pid 22390] close(7) = -1 EBADF (Bad file descriptor) [pid 22390] close(8) = -1 EBADF (Bad file descriptor) [pid 22390] close(9) = -1 EBADF (Bad file descriptor) [pid 22390] close(10) = -1 EBADF (Bad file descriptor) [pid 22390] close(11) = -1 EBADF (Bad file descriptor) [pid 22390] close(12) = -1 EBADF (Bad file descriptor) [pid 22390] close(13) = -1 EBADF (Bad file descriptor) [pid 22390] close(14) = -1 EBADF (Bad file descriptor) [pid 22390] close(15) = -1 EBADF (Bad file descriptor) [pid 22390] close(16) = -1 EBADF (Bad file descriptor) [pid 22390] close(17) = -1 EBADF (Bad file descriptor) [pid 22390] close(18) = -1 EBADF (Bad file descriptor) [pid 22390] close(19) = -1 EBADF (Bad file descriptor) [pid 22390] close(20) = -1 EBADF (Bad file descriptor) [pid 22390] close(21) = -1 EBADF (Bad file descriptor) [pid 22390] close(22) = -1 EBADF (Bad file descriptor) [pid 22390] close(23) = -1 EBADF (Bad file descriptor) [pid 22390] close(24) = -1 EBADF (Bad file descriptor) [pid 22390] close(25) = -1 EBADF (Bad file descriptor) [pid 22390] close(26) = -1 EBADF (Bad file descriptor) [pid 22390] close(27) = -1 EBADF (Bad file descriptor) [pid 22390] close(28) = -1 EBADF (Bad file descriptor) [pid 22390] close(29) = -1 EBADF (Bad file descriptor) [pid 22390] exit_group(0 [pid 22392] <... futex resumed>) = ? [pid 22390] <... exit_group resumed>) = ? [pid 22391] <... futex resumed>) = ? [pid 22392] +++ exited with 0 +++ [pid 22391] +++ exited with 0 +++ [pid 22390] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7595", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7595", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7595/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7595/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7595/cgroup.cpu") = 0 [pid 287] umount2("./7595/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7595/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7595/binderfs") = 0 [pid 287] umount2("./7595/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7595/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7595/cgroup") = 0 [pid 287] umount2("./7595/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7595/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7595/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7595") = 0 [pid 287] mkdir("./7596", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22393 attached [pid 22393] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22393] chdir("./7596") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21982 [pid 22393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22393] setpgid(0, 0) = 0 [pid 22393] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22393] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22393] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22393] write(3, "1000", 4) = 4 [pid 22393] close(3) = 0 [pid 22393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22393] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22393] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22393] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22394 attached [pid 22394] set_robust_list(0x7f3b956fb9a0, 24 [pid 22393] <... clone3 resumed> => {parent_tid=[21983]}, 88) = 21983 [pid 22394] <... set_robust_list resumed>) = 0 [pid 22393] rt_sigprocmask(SIG_SETMASK, [], [pid 22394] rt_sigprocmask(SIG_SETMASK, [], [pid 22393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22393] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22393] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22394] <... bpf resumed>) = 3 [pid 22394] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22393] <... futex resumed>) = 0 [pid 22394] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22393] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22393] <... futex resumed>) = 0 [pid 22394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22393] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22394] <... bpf resumed>) = 4 [pid 22394] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22393] <... futex resumed>) = 0 [pid 22394] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22393] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22393] <... futex resumed>) = 0 [pid 22394] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22393] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22394] <... bpf resumed>) = 0 [pid 22393] <... futex resumed>) = 0 [pid 22394] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22393] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22394] <... futex resumed>) = 0 [pid 22393] <... mprotect resumed>) = 0 [pid 22394] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22395 attached [pid 22395] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22393] <... clone3 resumed> => {parent_tid=[21984]}, 88) = 21984 [pid 22395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22393] rt_sigprocmask(SIG_SETMASK, [], [pid 22395] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22393] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22395] <... futex resumed>) = 0 [pid 22393] <... futex resumed>) = 1 [pid 22395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22393] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22395] <... bpf resumed>) = 5 [pid 22395] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22393] <... futex resumed>) = 0 [pid 22395] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22393] close(3) = 0 [pid 22393] close(4) = 0 [pid 22393] close(5) = 0 [pid 22393] close(6) = -1 EBADF (Bad file descriptor) [pid 22393] close(7) = -1 EBADF (Bad file descriptor) [pid 22393] close(8) = -1 EBADF (Bad file descriptor) [pid 22393] close(9) = -1 EBADF (Bad file descriptor) [pid 22393] close(10) = -1 EBADF (Bad file descriptor) [pid 22393] close(11) = -1 EBADF (Bad file descriptor) [pid 22393] close(12) = -1 EBADF (Bad file descriptor) [pid 22393] close(13) = -1 EBADF (Bad file descriptor) [pid 22393] close(14) = -1 EBADF (Bad file descriptor) [pid 22393] close(15) = -1 EBADF (Bad file descriptor) [pid 22393] close(16) = -1 EBADF (Bad file descriptor) [pid 22393] close(17) = -1 EBADF (Bad file descriptor) [pid 22393] close(18) = -1 EBADF (Bad file descriptor) [pid 22393] close(19) = -1 EBADF (Bad file descriptor) [pid 22393] close(20) = -1 EBADF (Bad file descriptor) [pid 22393] close(21) = -1 EBADF (Bad file descriptor) [pid 22393] close(22) = -1 EBADF (Bad file descriptor) [pid 22393] close(23) = -1 EBADF (Bad file descriptor) [pid 22393] close(24) = -1 EBADF (Bad file descriptor) [pid 22393] close(25) = -1 EBADF (Bad file descriptor) [pid 22393] close(26) = -1 EBADF (Bad file descriptor) [pid 22393] close(27) = -1 EBADF (Bad file descriptor) [pid 22393] close(28) = -1 EBADF (Bad file descriptor) [pid 22393] close(29) = -1 EBADF (Bad file descriptor) [pid 22393] exit_group(0 [pid 22395] <... futex resumed>) = ? [pid 22394] <... futex resumed>) = ? [pid 22393] <... exit_group resumed>) = ? [pid 22395] +++ exited with 0 +++ [pid 22394] +++ exited with 0 +++ [pid 22393] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7596", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7596", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7596/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7596/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7596/cgroup.cpu") = 0 [pid 287] umount2("./7596/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7596/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7596/binderfs") = 0 [pid 287] umount2("./7596/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7596/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7596/cgroup") = 0 [pid 287] umount2("./7596/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7596/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7596/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7596") = 0 [pid 287] mkdir("./7597", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22396 attached [pid 22396] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22396] chdir("./7597") = 0 [pid 22396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22396] setpgid(0, 0) = 0 [pid 22396] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21985 [pid 22396] <... symlink resumed>) = 0 [pid 22396] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22396] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22396] write(3, "1000", 4) = 4 [pid 22396] close(3) = 0 [pid 22396] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22396] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22396] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22396] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22397 attached [pid 22397] set_robust_list(0x7f3b956fb9a0, 24 [pid 22396] <... clone3 resumed> => {parent_tid=[21986]}, 88) = 21986 [pid 22397] <... set_robust_list resumed>) = 0 [pid 22396] rt_sigprocmask(SIG_SETMASK, [], [pid 22397] rt_sigprocmask(SIG_SETMASK, [], [pid 22396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22396] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22396] <... futex resumed>) = 0 [pid 22397] <... bpf resumed>) = 3 [pid 22396] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22397] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22397] <... futex resumed>) = 0 [pid 22396] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22397] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22396] <... futex resumed>) = 0 [pid 22397] <... bpf resumed>) = 4 [pid 22396] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22397] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22397] <... futex resumed>) = 0 [pid 22396] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22397] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22396] <... futex resumed>) = 0 [pid 22397] <... bpf resumed>) = 0 [pid 22396] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22397] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22396] <... futex resumed>) = 0 [pid 22397] <... futex resumed>) = 0 [pid 22396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22397] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22396] <... mmap resumed>) = 0x7f3b956ba000 [pid 22396] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22398 attached => {parent_tid=[21987]}, 88) = 21987 [pid 22398] set_robust_list(0x7f3b956da9a0, 24 [pid 22396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22396] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22398] <... set_robust_list resumed>) = 0 [pid 22396] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22398] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22396] <... futex resumed>) = 0 [pid 22396] close(3) = 0 [pid 22396] close(4) = 0 [pid 22396] close(5) = 0 [pid 22398] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22396] close(6) = -1 EBADF (Bad file descriptor) [pid 22396] close(7) = -1 EBADF (Bad file descriptor) [pid 22396] close(8) = -1 EBADF (Bad file descriptor) [pid 22396] close(9) = -1 EBADF (Bad file descriptor) [pid 22396] close(10) = -1 EBADF (Bad file descriptor) [pid 22396] close(11) = -1 EBADF (Bad file descriptor) [pid 22396] close(12) = -1 EBADF (Bad file descriptor) [pid 22396] close(13) = -1 EBADF (Bad file descriptor) [pid 22396] close(14) = -1 EBADF (Bad file descriptor) [pid 22396] close(15) = -1 EBADF (Bad file descriptor) [pid 22396] close(16) = -1 EBADF (Bad file descriptor) [pid 22396] close(17) = -1 EBADF (Bad file descriptor) [pid 22396] close(18) = -1 EBADF (Bad file descriptor) [pid 22396] close(19) = -1 EBADF (Bad file descriptor) [pid 22396] close(20) = -1 EBADF (Bad file descriptor) [pid 22396] close(21) = -1 EBADF (Bad file descriptor) [pid 22396] close(22) = -1 EBADF (Bad file descriptor) [pid 22396] close(23) = -1 EBADF (Bad file descriptor) [pid 22396] close(24) = -1 EBADF (Bad file descriptor) [pid 22396] close(25) = -1 EBADF (Bad file descriptor) [pid 22396] close(26) = -1 EBADF (Bad file descriptor) [pid 22396] close(27) = -1 EBADF (Bad file descriptor) [pid 22396] close(28) = -1 EBADF (Bad file descriptor) [pid 22396] close(29) = -1 EBADF (Bad file descriptor) [pid 22396] exit_group(0 [pid 22397] <... futex resumed>) = ? [pid 22396] <... exit_group resumed>) = ? [pid 22397] +++ exited with 0 +++ [pid 22398] <... futex resumed>) = ? [pid 22398] +++ exited with 0 +++ [pid 22396] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7597", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7597", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7597/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7597/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7597/cgroup.cpu") = 0 [pid 287] umount2("./7597/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7597/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7597/binderfs") = 0 [pid 287] umount2("./7597/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7597/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7597/cgroup") = 0 [pid 287] umount2("./7597/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7597/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7597/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7597") = 0 [pid 287] mkdir("./7598", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 21988 ./strace-static-x86_64: Process 22399 attached [pid 22399] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22399] chdir("./7598") = 0 [pid 22399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22399] setpgid(0, 0) = 0 [pid 22399] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22399] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22399] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22399] write(3, "1000", 4) = 4 [pid 22399] close(3) = 0 [pid 22399] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22399] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22399] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22399] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22400 attached [pid 22400] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22399] <... clone3 resumed> => {parent_tid=[21989]}, 88) = 21989 [pid 22400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22399] rt_sigprocmask(SIG_SETMASK, [], [pid 22400] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22399] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22400] <... futex resumed>) = 0 [pid 22399] <... futex resumed>) = 1 [pid 22400] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22399] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22400] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22400] <... futex resumed>) = 0 [pid 22399] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22400] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22399] <... futex resumed>) = 0 [pid 22400] <... bpf resumed>) = 4 [pid 22399] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22400] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22400] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22399] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22400] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22399] <... futex resumed>) = 0 [pid 22400] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22399] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22400] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22399] <... futex resumed>) = 0 [pid 22400] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22399] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22400] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22399] close(3) = 0 [pid 22399] close(4) = 0 [pid 22399] close(5) = 0 [pid 22399] close(6) = -1 EBADF (Bad file descriptor) [pid 22399] close(7) = -1 EBADF (Bad file descriptor) [pid 22399] close(8) = -1 EBADF (Bad file descriptor) [pid 22399] close(9) = -1 EBADF (Bad file descriptor) [pid 22399] close(10) = -1 EBADF (Bad file descriptor) [pid 22399] close(11) = -1 EBADF (Bad file descriptor) [pid 22399] close(12) = -1 EBADF (Bad file descriptor) [pid 22399] close(13) = -1 EBADF (Bad file descriptor) [pid 22399] close(14) = -1 EBADF (Bad file descriptor) [pid 22399] close(15) = -1 EBADF (Bad file descriptor) [pid 22399] close(16) = -1 EBADF (Bad file descriptor) [pid 22399] close(17) = -1 EBADF (Bad file descriptor) [pid 22399] close(18) = -1 EBADF (Bad file descriptor) [pid 22399] close(19) = -1 EBADF (Bad file descriptor) [pid 22399] close(20) = -1 EBADF (Bad file descriptor) [pid 22399] close(21) = -1 EBADF (Bad file descriptor) [pid 22399] close(22) = -1 EBADF (Bad file descriptor) [pid 22399] close(23) = -1 EBADF (Bad file descriptor) [pid 22399] close(24) = -1 EBADF (Bad file descriptor) [pid 22399] close(25) = -1 EBADF (Bad file descriptor) [pid 22399] close(26) = -1 EBADF (Bad file descriptor) [pid 22399] close(27) = -1 EBADF (Bad file descriptor) [pid 22399] close(28) = -1 EBADF (Bad file descriptor) [pid 22399] close(29) = -1 EBADF (Bad file descriptor) [pid 22399] exit_group(0 [pid 22400] <... futex resumed>) = ? [pid 22399] <... exit_group resumed>) = ? [pid 22400] +++ exited with 0 +++ [pid 22399] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7598", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7598", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7598/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7598/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7598/cgroup.cpu") = 0 [pid 287] umount2("./7598/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7598/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7598/binderfs") = 0 [pid 287] umount2("./7598/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7598/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7598/cgroup") = 0 [pid 287] umount2("./7598/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7598/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7598/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7598") = 0 [pid 287] mkdir("./7599", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22401 attached [pid 22401] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22401] chdir("./7599" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21990 [pid 22401] <... chdir resumed>) = 0 [pid 22401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22401] setpgid(0, 0) = 0 [pid 22401] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22401] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22401] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22401] write(3, "1000", 4) = 4 [pid 22401] close(3) = 0 [pid 22401] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22401] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22401] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22401] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22402 attached [pid 22402] set_robust_list(0x7f3b956fb9a0, 24 [pid 22401] <... clone3 resumed> => {parent_tid=[21991]}, 88) = 21991 [pid 22402] <... set_robust_list resumed>) = 0 [pid 22401] rt_sigprocmask(SIG_SETMASK, [], [pid 22402] rt_sigprocmask(SIG_SETMASK, [], [pid 22401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22401] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22402] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22401] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22402] <... bpf resumed>) = 3 [pid 22402] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22401] <... futex resumed>) = 0 [pid 22402] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22401] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22401] <... futex resumed>) = 0 [pid 22402] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22401] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22402] <... bpf resumed>) = 4 [pid 22402] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22401] <... futex resumed>) = 0 [pid 22402] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22401] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22401] <... futex resumed>) = 0 [pid 22402] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22401] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22402] <... bpf resumed>) = 0 [pid 22401] <... futex resumed>) = 0 [pid 22402] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22402] <... futex resumed>) = 0 [pid 22401] <... mmap resumed>) = 0x7f3b956ba000 [pid 22402] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22401] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22403 attached => {parent_tid=[21992]}, 88) = 21992 [pid 22403] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22401] rt_sigprocmask(SIG_SETMASK, [], [pid 22403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22403] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22401] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22403] <... futex resumed>) = 0 [pid 22403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22401] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22403] <... bpf resumed>) = 5 [pid 22403] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22401] <... futex resumed>) = 0 [pid 22403] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22401] close(3) = 0 [pid 22401] close(4) = 0 [pid 22401] close(5) = 0 [pid 22401] close(6) = -1 EBADF (Bad file descriptor) [pid 22401] close(7) = -1 EBADF (Bad file descriptor) [pid 22401] close(8) = -1 EBADF (Bad file descriptor) [pid 22401] close(9) = -1 EBADF (Bad file descriptor) [pid 22401] close(10) = -1 EBADF (Bad file descriptor) [pid 22401] close(11) = -1 EBADF (Bad file descriptor) [pid 22401] close(12) = -1 EBADF (Bad file descriptor) [pid 22401] close(13) = -1 EBADF (Bad file descriptor) [pid 22401] close(14) = -1 EBADF (Bad file descriptor) [pid 22401] close(15) = -1 EBADF (Bad file descriptor) [pid 22401] close(16) = -1 EBADF (Bad file descriptor) [pid 22401] close(17) = -1 EBADF (Bad file descriptor) [pid 22401] close(18) = -1 EBADF (Bad file descriptor) [pid 22401] close(19) = -1 EBADF (Bad file descriptor) [pid 22401] close(20) = -1 EBADF (Bad file descriptor) [pid 22401] close(21) = -1 EBADF (Bad file descriptor) [pid 22401] close(22) = -1 EBADF (Bad file descriptor) [pid 22401] close(23) = -1 EBADF (Bad file descriptor) [pid 22401] close(24) = -1 EBADF (Bad file descriptor) [pid 22401] close(25) = -1 EBADF (Bad file descriptor) [pid 22401] close(26) = -1 EBADF (Bad file descriptor) [pid 22401] close(27) = -1 EBADF (Bad file descriptor) [pid 22401] close(28) = -1 EBADF (Bad file descriptor) [pid 22401] close(29) = -1 EBADF (Bad file descriptor) [pid 22401] exit_group(0 [pid 22402] <... futex resumed>) = ? [pid 22401] <... exit_group resumed>) = ? [pid 22403] <... futex resumed>) = ? [pid 22402] +++ exited with 0 +++ [pid 22403] +++ exited with 0 +++ [pid 22401] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7599", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7599", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7599/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7599/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7599/cgroup.cpu") = 0 [pid 287] umount2("./7599/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7599/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7599/binderfs") = 0 [pid 287] umount2("./7599/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7599/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7599/cgroup") = 0 [pid 287] umount2("./7599/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7599/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7599/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7599") = 0 [pid 287] mkdir("./7600", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22404 attached [pid 22404] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21993 [pid 22404] chdir("./7600") = 0 [pid 22404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22404] setpgid(0, 0) = 0 [pid 22404] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22404] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22404] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22404] write(3, "1000", 4) = 4 [pid 22404] close(3) = 0 [pid 22404] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22404] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22404] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22404] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22405 attached [pid 22405] set_robust_list(0x7f3b956fb9a0, 24 [pid 22404] <... clone3 resumed> => {parent_tid=[21994]}, 88) = 21994 [pid 22405] <... set_robust_list resumed>) = 0 [pid 22404] rt_sigprocmask(SIG_SETMASK, [], [pid 22405] rt_sigprocmask(SIG_SETMASK, [], [pid 22404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22404] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22404] <... futex resumed>) = 0 [pid 22404] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22405] <... bpf resumed>) = 3 [pid 22405] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22404] <... futex resumed>) = 0 [pid 22405] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22404] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22405] <... bpf resumed>) = 4 [pid 22404] <... futex resumed>) = 0 [pid 22405] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22404] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22405] <... futex resumed>) = 0 [pid 22404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22405] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22404] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22404] <... futex resumed>) = 0 [pid 22405] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22404] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22405] <... bpf resumed>) = 0 [pid 22404] <... futex resumed>) = 0 [pid 22404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22405] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22404] <... mmap resumed>) = 0x7f3b956ba000 [pid 22405] <... futex resumed>) = 0 [pid 22404] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22405] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22404] <... mprotect resumed>) = 0 [pid 22404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22406 attached [pid 22406] set_robust_list(0x7f3b956da9a0, 24 [pid 22404] <... clone3 resumed> => {parent_tid=[21995]}, 88) = 21995 [pid 22406] <... set_robust_list resumed>) = 0 [pid 22406] rt_sigprocmask(SIG_SETMASK, [], [pid 22404] rt_sigprocmask(SIG_SETMASK, [], [pid 22406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22406] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22404] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22406] <... futex resumed>) = 0 [pid 22404] <... futex resumed>) = 1 [pid 22406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22404] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22406] <... bpf resumed>) = 5 [pid 22406] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22404] <... futex resumed>) = 0 [pid 22406] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22404] close(3) = 0 [pid 22404] close(4) = 0 [pid 22404] close(5) = 0 [pid 22404] close(6) = -1 EBADF (Bad file descriptor) [pid 22404] close(7) = -1 EBADF (Bad file descriptor) [pid 22404] close(8) = -1 EBADF (Bad file descriptor) [pid 22404] close(9) = -1 EBADF (Bad file descriptor) [pid 22404] close(10) = -1 EBADF (Bad file descriptor) [pid 22404] close(11) = -1 EBADF (Bad file descriptor) [pid 22404] close(12) = -1 EBADF (Bad file descriptor) [pid 22404] close(13) = -1 EBADF (Bad file descriptor) [pid 22404] close(14) = -1 EBADF (Bad file descriptor) [pid 22404] close(15) = -1 EBADF (Bad file descriptor) [pid 22404] close(16) = -1 EBADF (Bad file descriptor) [pid 22404] close(17) = -1 EBADF (Bad file descriptor) [pid 22404] close(18) = -1 EBADF (Bad file descriptor) [pid 22404] close(19) = -1 EBADF (Bad file descriptor) [pid 22404] close(20) = -1 EBADF (Bad file descriptor) [pid 22404] close(21) = -1 EBADF (Bad file descriptor) [pid 22404] close(22) = -1 EBADF (Bad file descriptor) [pid 22404] close(23) = -1 EBADF (Bad file descriptor) [pid 22404] close(24) = -1 EBADF (Bad file descriptor) [pid 22404] close(25) = -1 EBADF (Bad file descriptor) [pid 22404] close(26) = -1 EBADF (Bad file descriptor) [pid 22404] close(27) = -1 EBADF (Bad file descriptor) [pid 22404] close(28) = -1 EBADF (Bad file descriptor) [pid 22404] close(29) = -1 EBADF (Bad file descriptor) [pid 22404] exit_group(0 [pid 22405] <... futex resumed>) = ? [pid 22404] <... exit_group resumed>) = ? [pid 22406] <... futex resumed>) = ? [pid 22406] +++ exited with 0 +++ [pid 22405] +++ exited with 0 +++ [pid 22404] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7600", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7600", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7600/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7600/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7600/cgroup.cpu") = 0 [pid 287] umount2("./7600/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7600/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7600/binderfs") = 0 [pid 287] umount2("./7600/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7600/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7600/cgroup") = 0 [pid 287] umount2("./7600/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7600/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7600/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7600") = 0 [pid 287] mkdir("./7601", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22407 attached [pid 22407] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22407] chdir("./7601") = 0 [pid 22407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21996 [pid 22407] <... prctl resumed>) = 0 [pid 22407] setpgid(0, 0) = 0 [pid 22407] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22407] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22407] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22407] write(3, "1000", 4) = 4 [pid 22407] close(3) = 0 [pid 22407] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22407] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22407] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22407] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22408 attached => {parent_tid=[21997]}, 88) = 21997 [pid 22408] set_robust_list(0x7f3b956fb9a0, 24 [pid 22407] rt_sigprocmask(SIG_SETMASK, [], [pid 22408] <... set_robust_list resumed>) = 0 [pid 22407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22408] rt_sigprocmask(SIG_SETMASK, [], [pid 22407] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22407] <... futex resumed>) = 0 [pid 22407] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22408] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22407] <... futex resumed>) = 0 [pid 22408] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22407] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22407] <... futex resumed>) = 0 [pid 22408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22407] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22408] <... bpf resumed>) = 4 [pid 22408] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22407] <... futex resumed>) = 0 [pid 22408] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22407] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22407] <... futex resumed>) = 0 [pid 22408] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22407] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22408] <... bpf resumed>) = 0 [pid 22407] <... futex resumed>) = 0 [pid 22408] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22408] <... futex resumed>) = 0 [pid 22407] <... mmap resumed>) = 0x7f3b956ba000 [pid 22408] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22407] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22409 attached [pid 22409] set_robust_list(0x7f3b956da9a0, 24 [pid 22407] <... clone3 resumed> => {parent_tid=[21998]}, 88) = 21998 [pid 22409] <... set_robust_list resumed>) = 0 [pid 22409] rt_sigprocmask(SIG_SETMASK, [], [pid 22407] rt_sigprocmask(SIG_SETMASK, [], [pid 22409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22409] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22407] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22409] <... futex resumed>) = 0 [pid 22407] <... futex resumed>) = 1 [pid 22409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22407] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22409] <... bpf resumed>) = 5 [pid 22409] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22407] <... futex resumed>) = 0 [pid 22409] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22407] close(3) = 0 [pid 22407] close(4) = 0 [pid 22407] close(5) = 0 [pid 22407] close(6) = -1 EBADF (Bad file descriptor) [pid 22407] close(7) = -1 EBADF (Bad file descriptor) [pid 22407] close(8) = -1 EBADF (Bad file descriptor) [pid 22407] close(9) = -1 EBADF (Bad file descriptor) [pid 22407] close(10) = -1 EBADF (Bad file descriptor) [pid 22407] close(11) = -1 EBADF (Bad file descriptor) [pid 22407] close(12) = -1 EBADF (Bad file descriptor) [pid 22407] close(13) = -1 EBADF (Bad file descriptor) [pid 22407] close(14) = -1 EBADF (Bad file descriptor) [pid 22407] close(15) = -1 EBADF (Bad file descriptor) [pid 22407] close(16) = -1 EBADF (Bad file descriptor) [pid 22407] close(17) = -1 EBADF (Bad file descriptor) [pid 22407] close(18) = -1 EBADF (Bad file descriptor) [pid 22407] close(19) = -1 EBADF (Bad file descriptor) [pid 22407] close(20) = -1 EBADF (Bad file descriptor) [pid 22407] close(21) = -1 EBADF (Bad file descriptor) [pid 22407] close(22) = -1 EBADF (Bad file descriptor) [pid 22407] close(23) = -1 EBADF (Bad file descriptor) [pid 22407] close(24) = -1 EBADF (Bad file descriptor) [pid 22407] close(25) = -1 EBADF (Bad file descriptor) [pid 22407] close(26) = -1 EBADF (Bad file descriptor) [pid 22407] close(27) = -1 EBADF (Bad file descriptor) [pid 22407] close(28) = -1 EBADF (Bad file descriptor) [pid 22407] close(29) = -1 EBADF (Bad file descriptor) [pid 22407] exit_group(0 [pid 22408] <... futex resumed>) = ? [pid 22407] <... exit_group resumed>) = ? [pid 22409] <... futex resumed>) = ? [pid 22409] +++ exited with 0 +++ [pid 22408] +++ exited with 0 +++ [pid 22407] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7601", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7601", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7601/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7601/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7601/cgroup.cpu") = 0 [pid 287] umount2("./7601/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7601/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7601/binderfs") = 0 [pid 287] umount2("./7601/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7601/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7601/cgroup") = 0 [pid 287] umount2("./7601/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7601/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7601/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7601") = 0 [pid 287] mkdir("./7602", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22410 attached [pid 22410] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 21999 [pid 22410] chdir("./7602") = 0 [pid 22410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22410] setpgid(0, 0) = 0 [pid 22410] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22410] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22410] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22410] write(3, "1000", 4) = 4 [pid 22410] close(3) = 0 [pid 22410] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22410] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22410] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22410] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22411 attached [pid 22411] set_robust_list(0x7f3b956fb9a0, 24 [pid 22410] <... clone3 resumed> => {parent_tid=[22000]}, 88) = 22000 [pid 22411] <... set_robust_list resumed>) = 0 [pid 22410] rt_sigprocmask(SIG_SETMASK, [], [pid 22411] rt_sigprocmask(SIG_SETMASK, [], [pid 22410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22410] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22410] <... futex resumed>) = 0 [pid 22410] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22411] <... bpf resumed>) = 3 [pid 22411] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22410] <... futex resumed>) = 0 [pid 22411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22410] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22411] <... bpf resumed>) = 4 [pid 22410] <... futex resumed>) = 0 [pid 22411] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22410] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22411] <... futex resumed>) = 0 [pid 22410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22411] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22410] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22410] <... futex resumed>) = 0 [pid 22411] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22410] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22411] <... bpf resumed>) = 0 [pid 22410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22411] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22410] <... mmap resumed>) = 0x7f3b956ba000 [pid 22411] <... futex resumed>) = 0 [pid 22410] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22411] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22410] <... mprotect resumed>) = 0 [pid 22410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22412 attached => {parent_tid=[22001]}, 88) = 22001 [pid 22412] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22410] rt_sigprocmask(SIG_SETMASK, [], [pid 22412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22412] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22410] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22412] <... futex resumed>) = 0 [pid 22412] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22410] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22412] <... bpf resumed>) = 5 [pid 22412] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22410] <... futex resumed>) = 0 [pid 22412] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22410] close(3) = 0 [pid 22410] close(4) = 0 [pid 22410] close(5) = 0 [pid 22410] close(6) = -1 EBADF (Bad file descriptor) [pid 22410] close(7) = -1 EBADF (Bad file descriptor) [pid 22410] close(8) = -1 EBADF (Bad file descriptor) [pid 22410] close(9) = -1 EBADF (Bad file descriptor) [pid 22410] close(10) = -1 EBADF (Bad file descriptor) [pid 22410] close(11) = -1 EBADF (Bad file descriptor) [pid 22410] close(12) = -1 EBADF (Bad file descriptor) [pid 22410] close(13) = -1 EBADF (Bad file descriptor) [pid 22410] close(14) = -1 EBADF (Bad file descriptor) [pid 22410] close(15) = -1 EBADF (Bad file descriptor) [pid 22410] close(16) = -1 EBADF (Bad file descriptor) [pid 22410] close(17) = -1 EBADF (Bad file descriptor) [pid 22410] close(18) = -1 EBADF (Bad file descriptor) [pid 22410] close(19) = -1 EBADF (Bad file descriptor) [pid 22410] close(20) = -1 EBADF (Bad file descriptor) [pid 22410] close(21) = -1 EBADF (Bad file descriptor) [pid 22410] close(22) = -1 EBADF (Bad file descriptor) [pid 22410] close(23) = -1 EBADF (Bad file descriptor) [pid 22410] close(24) = -1 EBADF (Bad file descriptor) [pid 22410] close(25) = -1 EBADF (Bad file descriptor) [pid 22410] close(26) = -1 EBADF (Bad file descriptor) [pid 22410] close(27) = -1 EBADF (Bad file descriptor) [pid 22410] close(28) = -1 EBADF (Bad file descriptor) [pid 22410] close(29) = -1 EBADF (Bad file descriptor) [pid 22410] exit_group(0) = ? [pid 22411] <... futex resumed>) = 231 [pid 22412] <... futex resumed>) = ? [pid 22411] +++ exited with 0 +++ [pid 22412] +++ exited with 0 +++ [pid 22410] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7602", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7602", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7602/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7602/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7602/cgroup.cpu") = 0 [pid 287] umount2("./7602/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7602/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7602/binderfs") = 0 [pid 287] umount2("./7602/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7602/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7602/cgroup") = 0 [pid 287] umount2("./7602/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7602/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7602/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7602") = 0 [pid 287] mkdir("./7603", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22413 attached [pid 22413] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22413] chdir("./7603" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22002 [pid 22413] <... chdir resumed>) = 0 [pid 22413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22413] setpgid(0, 0) = 0 [pid 22413] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22413] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22413] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22413] write(3, "1000", 4) = 4 [pid 22413] close(3) = 0 [pid 22413] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22413] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22413] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22413] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22414 attached => {parent_tid=[22003]}, 88) = 22003 [pid 22414] set_robust_list(0x7f3b956fb9a0, 24 [pid 22413] rt_sigprocmask(SIG_SETMASK, [], [pid 22414] <... set_robust_list resumed>) = 0 [pid 22413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22414] rt_sigprocmask(SIG_SETMASK, [], [pid 22413] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22413] <... futex resumed>) = 0 [pid 22414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22413] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22414] <... bpf resumed>) = 3 [pid 22414] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22413] <... futex resumed>) = 0 [pid 22414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22413] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22414] <... bpf resumed>) = 4 [pid 22413] <... futex resumed>) = 0 [pid 22414] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22413] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22414] <... futex resumed>) = 0 [pid 22413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22414] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22413] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22413] <... futex resumed>) = 0 [pid 22414] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22413] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22414] <... bpf resumed>) = 0 [pid 22413] <... futex resumed>) = 0 [pid 22414] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22414] <... futex resumed>) = 0 [pid 22413] <... mmap resumed>) = 0x7f3b956ba000 [pid 22414] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22413] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22415 attached [pid 22415] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22413] <... clone3 resumed> => {parent_tid=[22004]}, 88) = 22004 [pid 22415] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22413] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22415] <... futex resumed>) = 0 [pid 22413] <... futex resumed>) = 1 [pid 22415] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22413] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22415] <... bpf resumed>) = 5 [pid 22415] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22413] <... futex resumed>) = 0 [pid 22413] close(3 [pid 22415] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22413] <... close resumed>) = 0 [pid 22413] close(4) = 0 [pid 22413] close(5) = 0 [pid 22413] close(6) = -1 EBADF (Bad file descriptor) [pid 22413] close(7) = -1 EBADF (Bad file descriptor) [pid 22413] close(8) = -1 EBADF (Bad file descriptor) [pid 22413] close(9) = -1 EBADF (Bad file descriptor) [pid 22413] close(10) = -1 EBADF (Bad file descriptor) [pid 22413] close(11) = -1 EBADF (Bad file descriptor) [pid 22413] close(12) = -1 EBADF (Bad file descriptor) [pid 22413] close(13) = -1 EBADF (Bad file descriptor) [pid 22413] close(14) = -1 EBADF (Bad file descriptor) [pid 22413] close(15) = -1 EBADF (Bad file descriptor) [pid 22413] close(16) = -1 EBADF (Bad file descriptor) [pid 22413] close(17) = -1 EBADF (Bad file descriptor) [pid 22413] close(18) = -1 EBADF (Bad file descriptor) [pid 22413] close(19) = -1 EBADF (Bad file descriptor) [pid 22413] close(20) = -1 EBADF (Bad file descriptor) [pid 22413] close(21) = -1 EBADF (Bad file descriptor) [pid 22413] close(22) = -1 EBADF (Bad file descriptor) [pid 22413] close(23) = -1 EBADF (Bad file descriptor) [pid 22413] close(24) = -1 EBADF (Bad file descriptor) [pid 22413] close(25) = -1 EBADF (Bad file descriptor) [pid 22413] close(26) = -1 EBADF (Bad file descriptor) [pid 22413] close(27) = -1 EBADF (Bad file descriptor) [pid 22413] close(28) = -1 EBADF (Bad file descriptor) [pid 22413] close(29) = -1 EBADF (Bad file descriptor) [pid 22413] exit_group(0 [pid 22414] <... futex resumed>) = ? [pid 22413] <... exit_group resumed>) = ? [pid 22415] <... futex resumed>) = ? [pid 22414] +++ exited with 0 +++ [pid 22415] +++ exited with 0 +++ [pid 22413] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7603", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7603", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7603/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7603/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7603/cgroup.cpu") = 0 [pid 287] umount2("./7603/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7603/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7603/binderfs") = 0 [pid 287] umount2("./7603/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7603/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7603/cgroup") = 0 [pid 287] umount2("./7603/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7603/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7603/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7603") = 0 [pid 287] mkdir("./7604", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22416 attached [pid 22416] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22416] chdir("./7604") = 0 [pid 22416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22416] setpgid(0, 0) = 0 [pid 22416] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22416] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22005 [pid 22416] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22416] write(3, "1000", 4) = 4 [pid 22416] close(3) = 0 [pid 22416] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22416] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22416] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22416] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22417 attached [pid 22417] set_robust_list(0x7f3b956fb9a0, 24 [pid 22416] <... clone3 resumed> => {parent_tid=[22006]}, 88) = 22006 [pid 22417] <... set_robust_list resumed>) = 0 [pid 22416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22416] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22417] rt_sigprocmask(SIG_SETMASK, [], [pid 22416] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22417] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22416] <... futex resumed>) = 0 [pid 22417] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22416] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22416] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22417] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22416] <... futex resumed>) = 0 [pid 22417] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22416] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22416] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22416] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22417] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22416] <... mprotect resumed>) = 0 [pid 22417] <... bpf resumed>) = 0 [pid 22416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22417] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22417] <... futex resumed>) = 0 [pid 22416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22418 attached [pid 22417] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22418] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22416] <... clone3 resumed> => {parent_tid=[22007]}, 88) = 22007 [pid 22418] rt_sigprocmask(SIG_SETMASK, [], [pid 22416] rt_sigprocmask(SIG_SETMASK, [], [pid 22418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22418] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22416] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22416] <... futex resumed>) = 0 [pid 22416] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22418] <... bpf resumed>) = 5 [pid 22418] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22416] <... futex resumed>) = 0 [pid 22418] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22416] close(3) = 0 [pid 22416] close(4) = 0 [pid 22416] close(5) = 0 [pid 22416] close(6) = -1 EBADF (Bad file descriptor) [pid 22416] close(7) = -1 EBADF (Bad file descriptor) [pid 22416] close(8) = -1 EBADF (Bad file descriptor) [pid 22416] close(9) = -1 EBADF (Bad file descriptor) [pid 22416] close(10) = -1 EBADF (Bad file descriptor) [pid 22416] close(11) = -1 EBADF (Bad file descriptor) [pid 22416] close(12) = -1 EBADF (Bad file descriptor) [pid 22416] close(13) = -1 EBADF (Bad file descriptor) [pid 22416] close(14) = -1 EBADF (Bad file descriptor) [pid 22416] close(15) = -1 EBADF (Bad file descriptor) [pid 22416] close(16) = -1 EBADF (Bad file descriptor) [pid 22416] close(17) = -1 EBADF (Bad file descriptor) [pid 22416] close(18) = -1 EBADF (Bad file descriptor) [pid 22416] close(19) = -1 EBADF (Bad file descriptor) [pid 22416] close(20) = -1 EBADF (Bad file descriptor) [pid 22416] close(21) = -1 EBADF (Bad file descriptor) [pid 22416] close(22) = -1 EBADF (Bad file descriptor) [pid 22416] close(23) = -1 EBADF (Bad file descriptor) [pid 22416] close(24) = -1 EBADF (Bad file descriptor) [pid 22416] close(25) = -1 EBADF (Bad file descriptor) [pid 22416] close(26) = -1 EBADF (Bad file descriptor) [pid 22416] close(27) = -1 EBADF (Bad file descriptor) [pid 22416] close(28) = -1 EBADF (Bad file descriptor) [pid 22416] close(29) = -1 EBADF (Bad file descriptor) [pid 22416] exit_group(0 [pid 22417] <... futex resumed>) = ? [pid 22416] <... exit_group resumed>) = ? [pid 22418] <... futex resumed>) = ? [pid 22417] +++ exited with 0 +++ [pid 22418] +++ exited with 0 +++ [pid 22416] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7604", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7604", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7604/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7604/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7604/cgroup.cpu") = 0 [pid 287] umount2("./7604/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7604/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7604/binderfs") = 0 [pid 287] umount2("./7604/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7604/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7604/cgroup") = 0 [pid 287] umount2("./7604/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7604/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7604/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7604") = 0 [pid 287] mkdir("./7605", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22419 attached [pid 22419] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22419] chdir("./7605") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22008 [pid 22419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22419] setpgid(0, 0) = 0 [pid 22419] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22419] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22419] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22419] write(3, "1000", 4) = 4 [pid 22419] close(3) = 0 [pid 22419] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22419] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22419] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22419] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22420 attached => {parent_tid=[22009]}, 88) = 22009 [pid 22420] set_robust_list(0x7f3b956fb9a0, 24 [pid 22419] rt_sigprocmask(SIG_SETMASK, [], [pid 22420] <... set_robust_list resumed>) = 0 [pid 22419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22420] rt_sigprocmask(SIG_SETMASK, [], [pid 22419] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22419] <... futex resumed>) = 0 [pid 22420] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22419] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22420] <... bpf resumed>) = 3 [pid 22420] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22419] <... futex resumed>) = 0 [pid 22420] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22419] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22419] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22420] <... bpf resumed>) = 4 [pid 22420] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22419] <... futex resumed>) = 0 [pid 22420] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22419] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22419] <... futex resumed>) = 0 [pid 22420] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22419] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22419] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22420] <... bpf resumed>) = 0 [pid 22419] <... mprotect resumed>) = 0 [pid 22420] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22419] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22420] <... futex resumed>) = 0 [pid 22419] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22421 attached [pid 22420] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22421] set_robust_list(0x7f3b956da9a0, 24 [pid 22419] <... clone3 resumed> => {parent_tid=[22010]}, 88) = 22010 [pid 22421] <... set_robust_list resumed>) = 0 [pid 22419] rt_sigprocmask(SIG_SETMASK, [], [pid 22421] rt_sigprocmask(SIG_SETMASK, [], [pid 22419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22419] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22421] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22419] <... futex resumed>) = 0 [pid 22421] <... bpf resumed>) = 5 [pid 22419] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22421] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22421] <... futex resumed>) = 0 [pid 22419] close(3 [pid 22421] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22419] <... close resumed>) = 0 [pid 22419] close(4) = 0 [pid 22419] close(5) = 0 [pid 22419] close(6) = -1 EBADF (Bad file descriptor) [pid 22419] close(7) = -1 EBADF (Bad file descriptor) [pid 22419] close(8) = -1 EBADF (Bad file descriptor) [pid 22419] close(9) = -1 EBADF (Bad file descriptor) [pid 22419] close(10) = -1 EBADF (Bad file descriptor) [pid 22419] close(11) = -1 EBADF (Bad file descriptor) [pid 22419] close(12) = -1 EBADF (Bad file descriptor) [pid 22419] close(13) = -1 EBADF (Bad file descriptor) [pid 22419] close(14) = -1 EBADF (Bad file descriptor) [pid 22419] close(15) = -1 EBADF (Bad file descriptor) [pid 22419] close(16) = -1 EBADF (Bad file descriptor) [pid 22419] close(17) = -1 EBADF (Bad file descriptor) [pid 22419] close(18) = -1 EBADF (Bad file descriptor) [pid 22419] close(19) = -1 EBADF (Bad file descriptor) [pid 22419] close(20) = -1 EBADF (Bad file descriptor) [pid 22419] close(21) = -1 EBADF (Bad file descriptor) [pid 22419] close(22) = -1 EBADF (Bad file descriptor) [pid 22419] close(23) = -1 EBADF (Bad file descriptor) [pid 22419] close(24) = -1 EBADF (Bad file descriptor) [pid 22419] close(25) = -1 EBADF (Bad file descriptor) [pid 22419] close(26) = -1 EBADF (Bad file descriptor) [pid 22419] close(27) = -1 EBADF (Bad file descriptor) [pid 22419] close(28) = -1 EBADF (Bad file descriptor) [pid 22419] close(29) = -1 EBADF (Bad file descriptor) [pid 22419] exit_group(0 [pid 22421] <... futex resumed>) = ? [pid 22420] <... futex resumed>) = ? [pid 22419] <... exit_group resumed>) = ? [pid 22421] +++ exited with 0 +++ [pid 22420] +++ exited with 0 +++ [pid 22419] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7605", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7605", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7605/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7605/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7605/cgroup.cpu") = 0 [pid 287] umount2("./7605/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7605/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7605/binderfs") = 0 [pid 287] umount2("./7605/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7605/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7605/cgroup") = 0 [pid 287] umount2("./7605/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7605/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7605/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7605") = 0 [pid 287] mkdir("./7606", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22422 attached [pid 22422] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22011 [pid 22422] chdir("./7606") = 0 [pid 22422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22422] setpgid(0, 0) = 0 [pid 22422] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22422] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22422] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22422] write(3, "1000", 4) = 4 [pid 22422] close(3) = 0 [pid 22422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22422] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22422] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22422] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22423 attached [pid 22423] set_robust_list(0x7f3b956fb9a0, 24 [pid 22422] <... clone3 resumed> => {parent_tid=[22012]}, 88) = 22012 [pid 22423] <... set_robust_list resumed>) = 0 [pid 22422] rt_sigprocmask(SIG_SETMASK, [], [pid 22423] rt_sigprocmask(SIG_SETMASK, [], [pid 22422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22422] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22422] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22423] <... bpf resumed>) = 3 [pid 22423] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22422] <... futex resumed>) = 0 [pid 22423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22422] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22422] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22423] <... bpf resumed>) = 4 [pid 22423] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22422] <... futex resumed>) = 0 [pid 22423] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22422] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22422] <... futex resumed>) = 0 [pid 22423] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22422] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22423] <... bpf resumed>) = 0 [pid 22422] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22423] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22422] <... mprotect resumed>) = 0 [pid 22423] <... futex resumed>) = 0 [pid 22422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22423] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22424 attached [pid 22424] set_robust_list(0x7f3b956da9a0, 24 [pid 22422] <... clone3 resumed> => {parent_tid=[22013]}, 88) = 22013 [pid 22424] <... set_robust_list resumed>) = 0 [pid 22424] rt_sigprocmask(SIG_SETMASK, [], [pid 22422] rt_sigprocmask(SIG_SETMASK, [], [pid 22424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22424] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22422] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22424] <... futex resumed>) = 0 [pid 22422] <... futex resumed>) = 1 [pid 22424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22422] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22424] <... bpf resumed>) = 5 [pid 22424] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22422] <... futex resumed>) = 0 [pid 22424] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22422] close(3) = 0 [pid 22422] close(4) = 0 [pid 22422] close(5) = 0 [pid 22422] close(6) = -1 EBADF (Bad file descriptor) [pid 22422] close(7) = -1 EBADF (Bad file descriptor) [pid 22422] close(8) = -1 EBADF (Bad file descriptor) [pid 22422] close(9) = -1 EBADF (Bad file descriptor) [pid 22422] close(10) = -1 EBADF (Bad file descriptor) [pid 22422] close(11) = -1 EBADF (Bad file descriptor) [pid 22422] close(12) = -1 EBADF (Bad file descriptor) [pid 22422] close(13) = -1 EBADF (Bad file descriptor) [pid 22422] close(14) = -1 EBADF (Bad file descriptor) [pid 22422] close(15) = -1 EBADF (Bad file descriptor) [pid 22422] close(16) = -1 EBADF (Bad file descriptor) [pid 22422] close(17) = -1 EBADF (Bad file descriptor) [pid 22422] close(18) = -1 EBADF (Bad file descriptor) [pid 22422] close(19) = -1 EBADF (Bad file descriptor) [pid 22422] close(20) = -1 EBADF (Bad file descriptor) [pid 22422] close(21) = -1 EBADF (Bad file descriptor) [pid 22422] close(22) = -1 EBADF (Bad file descriptor) [pid 22422] close(23) = -1 EBADF (Bad file descriptor) [pid 22422] close(24) = -1 EBADF (Bad file descriptor) [pid 22422] close(25) = -1 EBADF (Bad file descriptor) [pid 22422] close(26) = -1 EBADF (Bad file descriptor) [pid 22422] close(27) = -1 EBADF (Bad file descriptor) [pid 22422] close(28) = -1 EBADF (Bad file descriptor) [pid 22422] close(29) = -1 EBADF (Bad file descriptor) [pid 22422] exit_group(0 [pid 22424] <... futex resumed>) = ? [pid 22423] <... futex resumed>) = ? [pid 22422] <... exit_group resumed>) = ? [pid 22424] +++ exited with 0 +++ [pid 22423] +++ exited with 0 +++ [pid 22422] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7606", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7606", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7606/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7606/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7606/cgroup.cpu") = 0 [pid 287] umount2("./7606/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7606/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7606/binderfs") = 0 [pid 287] umount2("./7606/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7606/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7606/cgroup") = 0 [pid 287] umount2("./7606/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7606/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7606/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7606") = 0 [pid 287] mkdir("./7607", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22425 attached [pid 22425] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22425] chdir("./7607") = 0 [pid 22425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22014 [pid 22425] <... prctl resumed>) = 0 [pid 22425] setpgid(0, 0) = 0 [pid 22425] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22425] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22425] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22425] write(3, "1000", 4) = 4 [pid 22425] close(3) = 0 [pid 22425] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22425] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22425] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22425] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22426 attached [pid 22426] set_robust_list(0x7f3b956fb9a0, 24 [pid 22425] <... clone3 resumed> => {parent_tid=[22015]}, 88) = 22015 [pid 22426] <... set_robust_list resumed>) = 0 [pid 22425] rt_sigprocmask(SIG_SETMASK, [], [pid 22426] rt_sigprocmask(SIG_SETMASK, [], [pid 22425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22425] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22425] <... futex resumed>) = 0 [pid 22426] <... bpf resumed>) = 3 [pid 22425] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22426] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22426] <... futex resumed>) = 0 [pid 22425] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22425] <... futex resumed>) = 0 [pid 22426] <... bpf resumed>) = 4 [pid 22425] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22426] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22426] <... futex resumed>) = 0 [pid 22425] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22426] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22425] <... futex resumed>) = 0 [pid 22426] <... bpf resumed>) = 0 [pid 22425] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22426] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22425] <... futex resumed>) = 0 [pid 22426] <... futex resumed>) = 0 [pid 22425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22426] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22425] <... mmap resumed>) = 0x7f3b956ba000 [pid 22425] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22427 attached => {parent_tid=[22016]}, 88) = 22016 [pid 22427] set_robust_list(0x7f3b956da9a0, 24 [pid 22425] rt_sigprocmask(SIG_SETMASK, [], [pid 22427] <... set_robust_list resumed>) = 0 [pid 22425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22427] rt_sigprocmask(SIG_SETMASK, [], [pid 22425] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22425] <... futex resumed>) = 0 [pid 22425] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22427] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22425] <... futex resumed>) = 0 [pid 22427] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22425] close(3) = 0 [pid 22425] close(4) = 0 [pid 22425] close(5) = 0 [pid 22425] close(6) = -1 EBADF (Bad file descriptor) [pid 22425] close(7) = -1 EBADF (Bad file descriptor) [pid 22425] close(8) = -1 EBADF (Bad file descriptor) [pid 22425] close(9) = -1 EBADF (Bad file descriptor) [pid 22425] close(10) = -1 EBADF (Bad file descriptor) [pid 22425] close(11) = -1 EBADF (Bad file descriptor) [pid 22425] close(12) = -1 EBADF (Bad file descriptor) [pid 22425] close(13) = -1 EBADF (Bad file descriptor) [pid 22425] close(14) = -1 EBADF (Bad file descriptor) [pid 22425] close(15) = -1 EBADF (Bad file descriptor) [pid 22425] close(16) = -1 EBADF (Bad file descriptor) [pid 22425] close(17) = -1 EBADF (Bad file descriptor) [pid 22425] close(18) = -1 EBADF (Bad file descriptor) [pid 22425] close(19) = -1 EBADF (Bad file descriptor) [pid 22425] close(20) = -1 EBADF (Bad file descriptor) [pid 22425] close(21) = -1 EBADF (Bad file descriptor) [pid 22425] close(22) = -1 EBADF (Bad file descriptor) [pid 22425] close(23) = -1 EBADF (Bad file descriptor) [pid 22425] close(24) = -1 EBADF (Bad file descriptor) [pid 22425] close(25) = -1 EBADF (Bad file descriptor) [pid 22425] close(26) = -1 EBADF (Bad file descriptor) [pid 22425] close(27) = -1 EBADF (Bad file descriptor) [pid 22425] close(28) = -1 EBADF (Bad file descriptor) [pid 22425] close(29) = -1 EBADF (Bad file descriptor) [pid 22425] exit_group(0 [pid 22427] <... futex resumed>) = ? [pid 22426] <... futex resumed>) = ? [pid 22425] <... exit_group resumed>) = ? [pid 22427] +++ exited with 0 +++ [pid 22426] +++ exited with 0 +++ [pid 22425] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7607", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7607", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7607/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7607/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7607/cgroup.cpu") = 0 [pid 287] umount2("./7607/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7607/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7607/binderfs") = 0 [pid 287] umount2("./7607/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7607/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7607/cgroup") = 0 [pid 287] umount2("./7607/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7607/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7607/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7607") = 0 [pid 287] mkdir("./7608", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22428 attached [pid 22428] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22428] chdir("./7608") = 0 [pid 22428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22428] setpgid(0, 0) = 0 [pid 22428] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22428] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22017 [pid 22428] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22428] write(3, "1000", 4) = 4 [pid 22428] close(3) = 0 [pid 22428] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22428] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22428] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22428] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22429 attached [pid 22429] set_robust_list(0x7f3b956fb9a0, 24 [pid 22428] <... clone3 resumed> => {parent_tid=[22018]}, 88) = 22018 [pid 22429] <... set_robust_list resumed>) = 0 [pid 22428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22428] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22429] rt_sigprocmask(SIG_SETMASK, [], [pid 22428] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22429] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22428] <... futex resumed>) = 0 [pid 22429] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22428] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22428] <... futex resumed>) = 0 [pid 22429] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22428] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22429] <... bpf resumed>) = 4 [pid 22429] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22428] <... futex resumed>) = 0 [pid 22429] <... futex resumed>) = 1 [pid 22429] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22428] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22429] <... bpf resumed>) = 0 [pid 22428] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22429] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22428] <... futex resumed>) = 0 [pid 22428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22428] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22429] <... futex resumed>) = 0 [pid 22428] <... mprotect resumed>) = 0 [pid 22429] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22430 attached => {parent_tid=[22019]}, 88) = 22019 [pid 22430] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22428] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22430] rt_sigprocmask(SIG_SETMASK, [], [pid 22428] <... futex resumed>) = 0 [pid 22430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22428] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22430] <... bpf resumed>) = 5 [pid 22430] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22428] <... futex resumed>) = 0 [pid 22430] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22428] close(3) = 0 [pid 22428] close(4) = 0 [pid 22428] close(5) = 0 [pid 22428] close(6) = -1 EBADF (Bad file descriptor) [pid 22428] close(7) = -1 EBADF (Bad file descriptor) [pid 22428] close(8) = -1 EBADF (Bad file descriptor) [pid 22428] close(9) = -1 EBADF (Bad file descriptor) [pid 22428] close(10) = -1 EBADF (Bad file descriptor) [pid 22428] close(11) = -1 EBADF (Bad file descriptor) [pid 22428] close(12) = -1 EBADF (Bad file descriptor) [pid 22428] close(13) = -1 EBADF (Bad file descriptor) [pid 22428] close(14) = -1 EBADF (Bad file descriptor) [pid 22428] close(15) = -1 EBADF (Bad file descriptor) [pid 22428] close(16) = -1 EBADF (Bad file descriptor) [pid 22428] close(17) = -1 EBADF (Bad file descriptor) [pid 22428] close(18) = -1 EBADF (Bad file descriptor) [pid 22428] close(19) = -1 EBADF (Bad file descriptor) [pid 22428] close(20) = -1 EBADF (Bad file descriptor) [pid 22428] close(21) = -1 EBADF (Bad file descriptor) [pid 22428] close(22) = -1 EBADF (Bad file descriptor) [pid 22428] close(23) = -1 EBADF (Bad file descriptor) [pid 22428] close(24) = -1 EBADF (Bad file descriptor) [pid 22428] close(25) = -1 EBADF (Bad file descriptor) [pid 22428] close(26) = -1 EBADF (Bad file descriptor) [pid 22428] close(27) = -1 EBADF (Bad file descriptor) [pid 22428] close(28) = -1 EBADF (Bad file descriptor) [pid 22428] close(29) = -1 EBADF (Bad file descriptor) [pid 22428] exit_group(0 [pid 22430] <... futex resumed>) = ? [pid 22429] <... futex resumed>) = ? [pid 22428] <... exit_group resumed>) = ? [pid 22430] +++ exited with 0 +++ [pid 22429] +++ exited with 0 +++ [pid 22428] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7608", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7608", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7608/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7608/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7608/cgroup.cpu") = 0 [pid 287] umount2("./7608/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7608/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7608/binderfs") = 0 [pid 287] umount2("./7608/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7608/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7608/cgroup") = 0 [pid 287] umount2("./7608/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7608/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7608/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7608") = 0 [pid 287] mkdir("./7609", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22431 attached [pid 22431] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22431] chdir("./7609" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22020 [pid 22431] <... chdir resumed>) = 0 [pid 22431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22431] setpgid(0, 0) = 0 [pid 22431] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22431] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22431] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22431] write(3, "1000", 4) = 4 [pid 22431] close(3) = 0 [pid 22431] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22431] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22431] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22431] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22432 attached [pid 22432] set_robust_list(0x7f3b956fb9a0, 24 [pid 22431] <... clone3 resumed> => {parent_tid=[22021]}, 88) = 22021 [pid 22432] <... set_robust_list resumed>) = 0 [pid 22431] rt_sigprocmask(SIG_SETMASK, [], [pid 22432] rt_sigprocmask(SIG_SETMASK, [], [pid 22431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22431] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22432] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22431] <... futex resumed>) = 0 [pid 22432] <... bpf resumed>) = 3 [pid 22431] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22432] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22432] <... futex resumed>) = 0 [pid 22431] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22432] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22431] <... futex resumed>) = 0 [pid 22432] <... bpf resumed>) = 4 [pid 22431] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22432] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22432] <... futex resumed>) = 0 [pid 22431] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22432] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22431] <... futex resumed>) = 0 [pid 22432] <... bpf resumed>) = 0 [pid 22431] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22432] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22431] <... futex resumed>) = 0 [pid 22432] <... futex resumed>) = 0 [pid 22431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22432] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22431] <... mmap resumed>) = 0x7f3b956ba000 [pid 22431] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22433 attached => {parent_tid=[22022]}, 88) = 22022 [pid 22433] set_robust_list(0x7f3b956da9a0, 24 [pid 22431] rt_sigprocmask(SIG_SETMASK, [], [pid 22433] <... set_robust_list resumed>) = 0 [pid 22431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22431] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22433] rt_sigprocmask(SIG_SETMASK, [], [pid 22431] <... futex resumed>) = 0 [pid 22433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22431] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22433] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22433] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22431] <... futex resumed>) = 0 [pid 22433] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22431] close(3) = 0 [pid 22431] close(4) = 0 [pid 22431] close(5) = 0 [pid 22431] close(6) = -1 EBADF (Bad file descriptor) [pid 22431] close(7) = -1 EBADF (Bad file descriptor) [pid 22431] close(8) = -1 EBADF (Bad file descriptor) [pid 22431] close(9) = -1 EBADF (Bad file descriptor) [pid 22431] close(10) = -1 EBADF (Bad file descriptor) [pid 22431] close(11) = -1 EBADF (Bad file descriptor) [pid 22431] close(12) = -1 EBADF (Bad file descriptor) [pid 22431] close(13) = -1 EBADF (Bad file descriptor) [pid 22431] close(14) = -1 EBADF (Bad file descriptor) [pid 22431] close(15) = -1 EBADF (Bad file descriptor) [pid 22431] close(16) = -1 EBADF (Bad file descriptor) [pid 22431] close(17) = -1 EBADF (Bad file descriptor) [pid 22431] close(18) = -1 EBADF (Bad file descriptor) [pid 22431] close(19) = -1 EBADF (Bad file descriptor) [pid 22431] close(20) = -1 EBADF (Bad file descriptor) [pid 22431] close(21) = -1 EBADF (Bad file descriptor) [pid 22431] close(22) = -1 EBADF (Bad file descriptor) [pid 22431] close(23) = -1 EBADF (Bad file descriptor) [pid 22431] close(24) = -1 EBADF (Bad file descriptor) [pid 22431] close(25) = -1 EBADF (Bad file descriptor) [pid 22431] close(26) = -1 EBADF (Bad file descriptor) [pid 22431] close(27) = -1 EBADF (Bad file descriptor) [pid 22431] close(28) = -1 EBADF (Bad file descriptor) [pid 22431] close(29) = -1 EBADF (Bad file descriptor) [pid 22431] exit_group(0 [pid 22433] <... futex resumed>) = ? [pid 22432] <... futex resumed>) = ? [pid 22431] <... exit_group resumed>) = ? [pid 22433] +++ exited with 0 +++ [pid 22432] +++ exited with 0 +++ [pid 22431] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7609", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7609", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7609/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7609/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7609/cgroup.cpu") = 0 [pid 287] umount2("./7609/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7609/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7609/binderfs") = 0 [pid 287] umount2("./7609/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7609/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7609/cgroup") = 0 [pid 287] umount2("./7609/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7609/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7609/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7609") = 0 [pid 287] mkdir("./7610", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22434 attached [pid 22434] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22434] chdir("./7610") = 0 [pid 22434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22434] setpgid(0, 0) = 0 [pid 22434] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22023 [pid 22434] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22434] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22434] write(3, "1000", 4) = 4 [pid 22434] close(3) = 0 [pid 22434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22434] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22434] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22434] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22435 attached => {parent_tid=[22024]}, 88) = 22024 [pid 22435] set_robust_list(0x7f3b956fb9a0, 24 [pid 22434] rt_sigprocmask(SIG_SETMASK, [], [pid 22435] <... set_robust_list resumed>) = 0 [pid 22434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22435] rt_sigprocmask(SIG_SETMASK, [], [pid 22434] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22434] <... futex resumed>) = 0 [pid 22434] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22435] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22434] <... futex resumed>) = 0 [pid 22435] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22434] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22434] <... futex resumed>) = 0 [pid 22435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22434] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22435] <... bpf resumed>) = 4 [pid 22435] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22434] <... futex resumed>) = 0 [pid 22435] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22434] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22434] <... futex resumed>) = 0 [pid 22435] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22434] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22435] <... bpf resumed>) = 0 [pid 22434] <... futex resumed>) = 0 [pid 22435] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22435] <... futex resumed>) = 0 [pid 22434] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22435] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22434] <... mprotect resumed>) = 0 [pid 22434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22025]}, 88) = 22025 ./strace-static-x86_64: Process 22436 attached [pid 22434] rt_sigprocmask(SIG_SETMASK, [], [pid 22436] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22436] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22434] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22434] <... futex resumed>) = 0 [pid 22436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22434] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22436] <... bpf resumed>) = 5 [pid 22436] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22434] <... futex resumed>) = 0 [pid 22436] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22434] close(3) = 0 [pid 22434] close(4) = 0 [pid 22434] close(5) = 0 [pid 22434] close(6) = -1 EBADF (Bad file descriptor) [pid 22434] close(7) = -1 EBADF (Bad file descriptor) [pid 22434] close(8) = -1 EBADF (Bad file descriptor) [pid 22434] close(9) = -1 EBADF (Bad file descriptor) [pid 22434] close(10) = -1 EBADF (Bad file descriptor) [pid 22434] close(11) = -1 EBADF (Bad file descriptor) [pid 22434] close(12) = -1 EBADF (Bad file descriptor) [pid 22434] close(13) = -1 EBADF (Bad file descriptor) [pid 22434] close(14) = -1 EBADF (Bad file descriptor) [pid 22434] close(15) = -1 EBADF (Bad file descriptor) [pid 22434] close(16) = -1 EBADF (Bad file descriptor) [pid 22434] close(17) = -1 EBADF (Bad file descriptor) [pid 22434] close(18) = -1 EBADF (Bad file descriptor) [pid 22434] close(19) = -1 EBADF (Bad file descriptor) [pid 22434] close(20) = -1 EBADF (Bad file descriptor) [pid 22434] close(21) = -1 EBADF (Bad file descriptor) [pid 22434] close(22) = -1 EBADF (Bad file descriptor) [pid 22434] close(23) = -1 EBADF (Bad file descriptor) [pid 22434] close(24) = -1 EBADF (Bad file descriptor) [pid 22434] close(25) = -1 EBADF (Bad file descriptor) [pid 22434] close(26) = -1 EBADF (Bad file descriptor) [pid 22434] close(27) = -1 EBADF (Bad file descriptor) [pid 22434] close(28) = -1 EBADF (Bad file descriptor) [pid 22434] close(29) = -1 EBADF (Bad file descriptor) [pid 22434] exit_group(0 [pid 22436] <... futex resumed>) = ? [pid 22435] <... futex resumed>) = ? [pid 22434] <... exit_group resumed>) = ? [pid 22436] +++ exited with 0 +++ [pid 22435] +++ exited with 0 +++ [pid 22434] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7610", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7610", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7610/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7610/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7610/cgroup.cpu") = 0 [pid 287] umount2("./7610/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7610/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7610/binderfs") = 0 [pid 287] umount2("./7610/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7610/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7610/cgroup") = 0 [pid 287] umount2("./7610/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7610/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7610/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7610") = 0 [pid 287] mkdir("./7611", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22437 attached [pid 22437] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22437] chdir("./7611" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22026 [pid 22437] <... chdir resumed>) = 0 [pid 22437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22437] setpgid(0, 0) = 0 [pid 22437] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22437] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22437] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22437] write(3, "1000", 4) = 4 [pid 22437] close(3) = 0 [pid 22437] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22437] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22437] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22437] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22438 attached [pid 22438] set_robust_list(0x7f3b956fb9a0, 24 [pid 22437] <... clone3 resumed> => {parent_tid=[22027]}, 88) = 22027 [pid 22438] <... set_robust_list resumed>) = 0 [pid 22437] rt_sigprocmask(SIG_SETMASK, [], [pid 22438] rt_sigprocmask(SIG_SETMASK, [], [pid 22437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22437] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22438] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22437] <... futex resumed>) = 0 [pid 22438] <... bpf resumed>) = 3 [pid 22437] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22438] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22438] <... futex resumed>) = 0 [pid 22437] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22438] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22437] <... futex resumed>) = 0 [pid 22438] <... bpf resumed>) = 4 [pid 22437] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22438] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22438] <... futex resumed>) = 0 [pid 22437] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22438] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22437] <... futex resumed>) = 0 [pid 22438] <... bpf resumed>) = 0 [pid 22437] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22438] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22437] <... futex resumed>) = 0 [pid 22438] <... futex resumed>) = 0 [pid 22437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22438] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22437] <... mmap resumed>) = 0x7f3b956ba000 [pid 22437] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22028]}, 88) = 22028 [pid 22437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22437] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 22439 attached [pid 22437] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22439] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22439] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22437] <... futex resumed>) = 0 [pid 22439] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22437] close(3) = 0 [pid 22437] close(4) = 0 [pid 22437] close(5) = 0 [pid 22437] close(6) = -1 EBADF (Bad file descriptor) [pid 22437] close(7) = -1 EBADF (Bad file descriptor) [pid 22437] close(8) = -1 EBADF (Bad file descriptor) [pid 22437] close(9) = -1 EBADF (Bad file descriptor) [pid 22437] close(10) = -1 EBADF (Bad file descriptor) [pid 22437] close(11) = -1 EBADF (Bad file descriptor) [pid 22437] close(12) = -1 EBADF (Bad file descriptor) [pid 22437] close(13) = -1 EBADF (Bad file descriptor) [pid 22437] close(14) = -1 EBADF (Bad file descriptor) [pid 22437] close(15) = -1 EBADF (Bad file descriptor) [pid 22437] close(16) = -1 EBADF (Bad file descriptor) [pid 22437] close(17) = -1 EBADF (Bad file descriptor) [pid 22437] close(18) = -1 EBADF (Bad file descriptor) [pid 22437] close(19) = -1 EBADF (Bad file descriptor) [pid 22437] close(20) = -1 EBADF (Bad file descriptor) [pid 22437] close(21) = -1 EBADF (Bad file descriptor) [pid 22437] close(22) = -1 EBADF (Bad file descriptor) [pid 22437] close(23) = -1 EBADF (Bad file descriptor) [pid 22437] close(24) = -1 EBADF (Bad file descriptor) [pid 22437] close(25) = -1 EBADF (Bad file descriptor) [pid 22437] close(26) = -1 EBADF (Bad file descriptor) [pid 22437] close(27) = -1 EBADF (Bad file descriptor) [pid 22437] close(28) = -1 EBADF (Bad file descriptor) [pid 22437] close(29) = -1 EBADF (Bad file descriptor) [pid 22437] exit_group(0 [pid 22439] <... futex resumed>) = ? [pid 22438] <... futex resumed>) = ? [pid 22437] <... exit_group resumed>) = ? [pid 22439] +++ exited with 0 +++ [pid 22438] +++ exited with 0 +++ [pid 22437] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7611", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7611", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7611/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7611/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7611/cgroup.cpu") = 0 [pid 287] umount2("./7611/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7611/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7611/binderfs") = 0 [pid 287] umount2("./7611/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7611/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7611/cgroup") = 0 [pid 287] umount2("./7611/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7611/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7611/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7611") = 0 [pid 287] mkdir("./7612", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22440 attached [pid 22440] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22440] chdir("./7612") = 0 [pid 22440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22440] setpgid(0, 0) = 0 [pid 22440] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22029 [pid 22440] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22440] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22440] write(3, "1000", 4) = 4 [pid 22440] close(3) = 0 [pid 22440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22440] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22440] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22440] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22441 attached => {parent_tid=[22030]}, 88) = 22030 [pid 22440] rt_sigprocmask(SIG_SETMASK, [], [pid 22441] set_robust_list(0x7f3b956fb9a0, 24 [pid 22440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22441] <... set_robust_list resumed>) = 0 [pid 22440] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22441] rt_sigprocmask(SIG_SETMASK, [], [pid 22440] <... futex resumed>) = 0 [pid 22441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22440] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22441] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22441] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22440] <... futex resumed>) = 0 [pid 22441] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22440] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22440] <... futex resumed>) = 0 [pid 22441] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22440] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22441] <... bpf resumed>) = 4 [pid 22441] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22440] <... futex resumed>) = 0 [pid 22441] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22440] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22440] <... futex resumed>) = 0 [pid 22441] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22440] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22441] <... bpf resumed>) = 0 [pid 22440] <... futex resumed>) = 0 [pid 22440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22441] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22440] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22441] <... futex resumed>) = 0 [pid 22440] <... mprotect resumed>) = 0 [pid 22441] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22442 attached [pid 22442] set_robust_list(0x7f3b956da9a0, 24 [pid 22440] <... clone3 resumed> => {parent_tid=[22031]}, 88) = 22031 [pid 22442] <... set_robust_list resumed>) = 0 [pid 22442] rt_sigprocmask(SIG_SETMASK, [], [pid 22440] rt_sigprocmask(SIG_SETMASK, [], [pid 22442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22442] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22440] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22442] <... futex resumed>) = 0 [pid 22440] <... futex resumed>) = 1 [pid 22442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22440] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22442] <... bpf resumed>) = 5 [pid 22442] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22440] <... futex resumed>) = 0 [pid 22442] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22440] close(3) = 0 [pid 22440] close(4) = 0 [pid 22440] close(5) = 0 [pid 22440] close(6) = -1 EBADF (Bad file descriptor) [pid 22440] close(7) = -1 EBADF (Bad file descriptor) [pid 22440] close(8) = -1 EBADF (Bad file descriptor) [pid 22440] close(9) = -1 EBADF (Bad file descriptor) [pid 22440] close(10) = -1 EBADF (Bad file descriptor) [pid 22440] close(11) = -1 EBADF (Bad file descriptor) [pid 22440] close(12) = -1 EBADF (Bad file descriptor) [pid 22440] close(13) = -1 EBADF (Bad file descriptor) [pid 22440] close(14) = -1 EBADF (Bad file descriptor) [pid 22440] close(15) = -1 EBADF (Bad file descriptor) [pid 22440] close(16) = -1 EBADF (Bad file descriptor) [pid 22440] close(17) = -1 EBADF (Bad file descriptor) [pid 22440] close(18) = -1 EBADF (Bad file descriptor) [pid 22440] close(19) = -1 EBADF (Bad file descriptor) [pid 22440] close(20) = -1 EBADF (Bad file descriptor) [pid 22440] close(21) = -1 EBADF (Bad file descriptor) [pid 22440] close(22) = -1 EBADF (Bad file descriptor) [pid 22440] close(23) = -1 EBADF (Bad file descriptor) [pid 22440] close(24) = -1 EBADF (Bad file descriptor) [pid 22440] close(25) = -1 EBADF (Bad file descriptor) [pid 22440] close(26) = -1 EBADF (Bad file descriptor) [pid 22440] close(27) = -1 EBADF (Bad file descriptor) [pid 22440] close(28) = -1 EBADF (Bad file descriptor) [pid 22440] close(29) = -1 EBADF (Bad file descriptor) [pid 22440] exit_group(0 [pid 22442] <... futex resumed>) = ? [pid 22441] <... futex resumed>) = ? [pid 22440] <... exit_group resumed>) = ? [pid 22442] +++ exited with 0 +++ [pid 22441] +++ exited with 0 +++ [pid 22440] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7612", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7612", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7612/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7612/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7612/cgroup.cpu") = 0 [pid 287] umount2("./7612/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7612/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7612/binderfs") = 0 [pid 287] umount2("./7612/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7612/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7612/cgroup") = 0 [pid 287] umount2("./7612/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7612/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7612/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7612") = 0 [pid 287] mkdir("./7613", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22443 attached [pid 22443] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22443] chdir("./7613") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22032 [pid 22443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22443] setpgid(0, 0) = 0 [pid 22443] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22443] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22443] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22443] write(3, "1000", 4) = 4 [pid 22443] close(3) = 0 [pid 22443] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22443] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22443] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22443] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22444 attached [pid 22444] set_robust_list(0x7f3b956fb9a0, 24 [pid 22443] <... clone3 resumed> => {parent_tid=[22033]}, 88) = 22033 [pid 22444] <... set_robust_list resumed>) = 0 [pid 22443] rt_sigprocmask(SIG_SETMASK, [], [pid 22444] rt_sigprocmask(SIG_SETMASK, [], [pid 22443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22443] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22444] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22443] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22444] <... bpf resumed>) = 3 [pid 22444] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22443] <... futex resumed>) = 0 [pid 22444] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22443] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22443] <... futex resumed>) = 0 [pid 22443] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22444] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22444] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22443] <... futex resumed>) = 0 [pid 22444] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22443] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22443] <... futex resumed>) = 0 [pid 22444] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22443] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22444] <... bpf resumed>) = 0 [pid 22443] <... futex resumed>) = 0 [pid 22444] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22444] <... futex resumed>) = 0 [pid 22443] <... mmap resumed>) = 0x7f3b956ba000 [pid 22444] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22443] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22445 attached [pid 22445] set_robust_list(0x7f3b956da9a0, 24 [pid 22443] <... clone3 resumed> => {parent_tid=[22034]}, 88) = 22034 [pid 22445] <... set_robust_list resumed>) = 0 [pid 22445] rt_sigprocmask(SIG_SETMASK, [], [pid 22443] rt_sigprocmask(SIG_SETMASK, [], [pid 22445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22445] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22443] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22445] <... futex resumed>) = 0 [pid 22443] <... futex resumed>) = 1 [pid 22445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22443] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22445] <... bpf resumed>) = 5 [pid 22445] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22443] <... futex resumed>) = 0 [pid 22445] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22443] close(3) = 0 [pid 22443] close(4) = 0 [pid 22443] close(5) = 0 [pid 22443] close(6) = -1 EBADF (Bad file descriptor) [pid 22443] close(7) = -1 EBADF (Bad file descriptor) [pid 22443] close(8) = -1 EBADF (Bad file descriptor) [pid 22443] close(9) = -1 EBADF (Bad file descriptor) [pid 22443] close(10) = -1 EBADF (Bad file descriptor) [pid 22443] close(11) = -1 EBADF (Bad file descriptor) [pid 22443] close(12) = -1 EBADF (Bad file descriptor) [pid 22443] close(13) = -1 EBADF (Bad file descriptor) [pid 22443] close(14) = -1 EBADF (Bad file descriptor) [pid 22443] close(15) = -1 EBADF (Bad file descriptor) [pid 22443] close(16) = -1 EBADF (Bad file descriptor) [pid 22443] close(17) = -1 EBADF (Bad file descriptor) [pid 22443] close(18) = -1 EBADF (Bad file descriptor) [pid 22443] close(19) = -1 EBADF (Bad file descriptor) [pid 22443] close(20) = -1 EBADF (Bad file descriptor) [pid 22443] close(21) = -1 EBADF (Bad file descriptor) [pid 22443] close(22) = -1 EBADF (Bad file descriptor) [pid 22443] close(23) = -1 EBADF (Bad file descriptor) [pid 22443] close(24) = -1 EBADF (Bad file descriptor) [pid 22443] close(25) = -1 EBADF (Bad file descriptor) [pid 22443] close(26) = -1 EBADF (Bad file descriptor) [pid 22443] close(27) = -1 EBADF (Bad file descriptor) [pid 22443] close(28) = -1 EBADF (Bad file descriptor) [pid 22443] close(29) = -1 EBADF (Bad file descriptor) [pid 22443] exit_group(0 [pid 22445] <... futex resumed>) = ? [pid 22444] <... futex resumed>) = ? [pid 22443] <... exit_group resumed>) = ? [pid 22445] +++ exited with 0 +++ [pid 22444] +++ exited with 0 +++ [pid 22443] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7613", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7613", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7613/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7613/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7613/cgroup.cpu") = 0 [pid 287] umount2("./7613/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7613/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7613/binderfs") = 0 [pid 287] umount2("./7613/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7613/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7613/cgroup") = 0 [pid 287] umount2("./7613/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7613/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7613/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7613") = 0 [pid 287] mkdir("./7614", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22446 attached [pid 22446] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22446] chdir("./7614" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22035 [pid 22446] <... chdir resumed>) = 0 [pid 22446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22446] setpgid(0, 0) = 0 [pid 22446] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22446] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22446] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22446] write(3, "1000", 4) = 4 [pid 22446] close(3) = 0 [pid 22446] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22446] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22446] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22446] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22036]}, 88) = 22036 [pid 22446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22446] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 22447 attached [pid 22446] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22447] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22447] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22446] <... futex resumed>) = 0 [pid 22446] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22446] <... futex resumed>) = 0 [pid 22446] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22447] <... bpf resumed>) = 4 [pid 22447] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22446] <... futex resumed>) = 0 [pid 22447] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22446] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22446] <... futex resumed>) = 0 [pid 22447] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22446] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22447] <... bpf resumed>) = 0 [pid 22446] <... futex resumed>) = 0 [pid 22446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22446] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22447] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22447] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22446] <... mprotect resumed>) = 0 [pid 22446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22448 attached => {parent_tid=[22037]}, 88) = 22037 [pid 22448] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22446] rt_sigprocmask(SIG_SETMASK, [], [pid 22448] rt_sigprocmask(SIG_SETMASK, [], [pid 22446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22446] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22448] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22446] <... futex resumed>) = 0 [pid 22446] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22448] <... bpf resumed>) = 5 [pid 22448] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22446] <... futex resumed>) = 0 [pid 22446] close(3) = 0 [pid 22446] close(4 [pid 22448] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22446] <... close resumed>) = 0 [pid 22446] close(5) = 0 [pid 22446] close(6) = -1 EBADF (Bad file descriptor) [pid 22446] close(7) = -1 EBADF (Bad file descriptor) [pid 22446] close(8) = -1 EBADF (Bad file descriptor) [pid 22446] close(9) = -1 EBADF (Bad file descriptor) [pid 22446] close(10) = -1 EBADF (Bad file descriptor) [pid 22446] close(11) = -1 EBADF (Bad file descriptor) [pid 22446] close(12) = -1 EBADF (Bad file descriptor) [pid 22446] close(13) = -1 EBADF (Bad file descriptor) [pid 22446] close(14) = -1 EBADF (Bad file descriptor) [pid 22446] close(15) = -1 EBADF (Bad file descriptor) [pid 22446] close(16) = -1 EBADF (Bad file descriptor) [pid 22446] close(17) = -1 EBADF (Bad file descriptor) [pid 22446] close(18) = -1 EBADF (Bad file descriptor) [pid 22446] close(19) = -1 EBADF (Bad file descriptor) [pid 22446] close(20) = -1 EBADF (Bad file descriptor) [pid 22446] close(21) = -1 EBADF (Bad file descriptor) [pid 22446] close(22) = -1 EBADF (Bad file descriptor) [pid 22446] close(23) = -1 EBADF (Bad file descriptor) [pid 22446] close(24) = -1 EBADF (Bad file descriptor) [pid 22446] close(25) = -1 EBADF (Bad file descriptor) [pid 22446] close(26) = -1 EBADF (Bad file descriptor) [pid 22446] close(27) = -1 EBADF (Bad file descriptor) [pid 22446] close(28) = -1 EBADF (Bad file descriptor) [pid 22446] close(29) = -1 EBADF (Bad file descriptor) [pid 22446] exit_group(0 [pid 22447] <... futex resumed>) = ? [pid 22446] <... exit_group resumed>) = ? [pid 22447] +++ exited with 0 +++ [pid 22448] <... futex resumed>) = ? [pid 22448] +++ exited with 0 +++ [pid 22446] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7614", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7614", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7614/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7614/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7614/cgroup.cpu") = 0 [pid 287] umount2("./7614/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7614/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7614/binderfs") = 0 [pid 287] umount2("./7614/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7614/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7614/cgroup") = 0 [pid 287] umount2("./7614/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7614/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7614/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7614") = 0 [pid 287] mkdir("./7615", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22449 attached [pid 22449] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22449] chdir("./7615") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22038 [pid 22449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22449] setpgid(0, 0) = 0 [pid 22449] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22449] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22449] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22449] write(3, "1000", 4) = 4 [pid 22449] close(3) = 0 [pid 22449] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22449] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22449] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22449] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22450 attached [pid 22450] set_robust_list(0x7f3b956fb9a0, 24 [pid 22449] <... clone3 resumed> => {parent_tid=[22039]}, 88) = 22039 [pid 22450] <... set_robust_list resumed>) = 0 [pid 22449] rt_sigprocmask(SIG_SETMASK, [], [pid 22450] rt_sigprocmask(SIG_SETMASK, [], [pid 22449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22449] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22450] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22449] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22450] <... bpf resumed>) = 3 [pid 22450] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22449] <... futex resumed>) = 0 [pid 22450] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22449] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22449] <... futex resumed>) = 0 [pid 22450] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22449] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22450] <... bpf resumed>) = 4 [pid 22450] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22449] <... futex resumed>) = 0 [pid 22450] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22449] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22449] <... futex resumed>) = 0 [pid 22450] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22449] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22450] <... bpf resumed>) = 0 [pid 22449] <... futex resumed>) = 0 [pid 22450] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22450] <... futex resumed>) = 0 [pid 22449] <... mmap resumed>) = 0x7f3b956ba000 [pid 22450] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22449] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22451 attached [pid 22451] set_robust_list(0x7f3b956da9a0, 24 [pid 22449] <... clone3 resumed> => {parent_tid=[22040]}, 88) = 22040 [pid 22451] <... set_robust_list resumed>) = 0 [pid 22451] rt_sigprocmask(SIG_SETMASK, [], [pid 22449] rt_sigprocmask(SIG_SETMASK, [], [pid 22451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22451] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22449] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22451] <... futex resumed>) = 0 [pid 22449] <... futex resumed>) = 1 [pid 22451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22449] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22451] <... bpf resumed>) = 5 [pid 22451] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22449] <... futex resumed>) = 0 [pid 22451] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22449] close(3) = 0 [pid 22449] close(4) = 0 [pid 22449] close(5) = 0 [pid 22449] close(6) = -1 EBADF (Bad file descriptor) [pid 22449] close(7) = -1 EBADF (Bad file descriptor) [pid 22449] close(8) = -1 EBADF (Bad file descriptor) [pid 22449] close(9) = -1 EBADF (Bad file descriptor) [pid 22449] close(10) = -1 EBADF (Bad file descriptor) [pid 22449] close(11) = -1 EBADF (Bad file descriptor) [pid 22449] close(12) = -1 EBADF (Bad file descriptor) [pid 22449] close(13) = -1 EBADF (Bad file descriptor) [pid 22449] close(14) = -1 EBADF (Bad file descriptor) [pid 22449] close(15) = -1 EBADF (Bad file descriptor) [pid 22449] close(16) = -1 EBADF (Bad file descriptor) [pid 22449] close(17) = -1 EBADF (Bad file descriptor) [pid 22449] close(18) = -1 EBADF (Bad file descriptor) [pid 22449] close(19) = -1 EBADF (Bad file descriptor) [pid 22449] close(20) = -1 EBADF (Bad file descriptor) [pid 22449] close(21) = -1 EBADF (Bad file descriptor) [pid 22449] close(22) = -1 EBADF (Bad file descriptor) [pid 22449] close(23) = -1 EBADF (Bad file descriptor) [pid 22449] close(24) = -1 EBADF (Bad file descriptor) [pid 22449] close(25) = -1 EBADF (Bad file descriptor) [pid 22449] close(26) = -1 EBADF (Bad file descriptor) [pid 22449] close(27) = -1 EBADF (Bad file descriptor) [pid 22449] close(28) = -1 EBADF (Bad file descriptor) [pid 22449] close(29) = -1 EBADF (Bad file descriptor) [pid 22449] exit_group(0 [pid 22450] <... futex resumed>) = 231 [pid 22449] <... exit_group resumed>) = ? [pid 22451] <... futex resumed>) = ? [pid 22450] +++ exited with 0 +++ [pid 22451] +++ exited with 0 +++ [pid 22449] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7615", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7615", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7615/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7615/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7615/cgroup.cpu") = 0 [pid 287] umount2("./7615/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7615/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7615/binderfs") = 0 [pid 287] umount2("./7615/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7615/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7615/cgroup") = 0 [pid 287] umount2("./7615/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7615/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7615/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7615") = 0 [pid 287] mkdir("./7616", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22452 attached [pid 22452] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22452] chdir("./7616") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22041 [pid 22452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22452] setpgid(0, 0) = 0 [pid 22452] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22452] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22452] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22452] write(3, "1000", 4) = 4 [pid 22452] close(3) = 0 [pid 22452] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22452] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22452] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22452] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22453 attached [pid 22453] set_robust_list(0x7f3b956fb9a0, 24 [pid 22452] <... clone3 resumed> => {parent_tid=[22042]}, 88) = 22042 [pid 22453] <... set_robust_list resumed>) = 0 [pid 22452] rt_sigprocmask(SIG_SETMASK, [], [pid 22453] rt_sigprocmask(SIG_SETMASK, [], [pid 22452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22452] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22452] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22453] <... bpf resumed>) = 3 [pid 22453] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22452] <... futex resumed>) = 0 [pid 22453] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22452] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22452] <... futex resumed>) = 0 [pid 22453] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22452] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22453] <... bpf resumed>) = 4 [pid 22453] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22452] <... futex resumed>) = 0 [pid 22453] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22452] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22452] <... futex resumed>) = 0 [pid 22453] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22452] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22453] <... bpf resumed>) = 0 [pid 22452] <... futex resumed>) = 0 [pid 22453] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22453] <... futex resumed>) = 0 [pid 22452] <... mmap resumed>) = 0x7f3b956ba000 [pid 22452] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22453] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22452] <... mprotect resumed>) = 0 [pid 22452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22454 attached [pid 22454] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22452] <... clone3 resumed> => {parent_tid=[22043]}, 88) = 22043 [pid 22454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22452] rt_sigprocmask(SIG_SETMASK, [], [pid 22454] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22452] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22454] <... futex resumed>) = 0 [pid 22452] <... futex resumed>) = 1 [pid 22454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22452] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22454] <... bpf resumed>) = 5 [pid 22454] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22452] <... futex resumed>) = 0 [pid 22452] close(3 [pid 22454] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22452] <... close resumed>) = 0 [pid 22452] close(4) = 0 [pid 22452] close(5) = 0 [pid 22452] close(6) = -1 EBADF (Bad file descriptor) [pid 22452] close(7) = -1 EBADF (Bad file descriptor) [pid 22452] close(8) = -1 EBADF (Bad file descriptor) [pid 22452] close(9) = -1 EBADF (Bad file descriptor) [pid 22452] close(10) = -1 EBADF (Bad file descriptor) [pid 22452] close(11) = -1 EBADF (Bad file descriptor) [pid 22452] close(12) = -1 EBADF (Bad file descriptor) [pid 22452] close(13) = -1 EBADF (Bad file descriptor) [pid 22452] close(14) = -1 EBADF (Bad file descriptor) [pid 22452] close(15) = -1 EBADF (Bad file descriptor) [pid 22452] close(16) = -1 EBADF (Bad file descriptor) [pid 22452] close(17) = -1 EBADF (Bad file descriptor) [pid 22452] close(18) = -1 EBADF (Bad file descriptor) [pid 22452] close(19) = -1 EBADF (Bad file descriptor) [pid 22452] close(20) = -1 EBADF (Bad file descriptor) [pid 22452] close(21) = -1 EBADF (Bad file descriptor) [pid 22452] close(22) = -1 EBADF (Bad file descriptor) [pid 22452] close(23) = -1 EBADF (Bad file descriptor) [pid 22452] close(24) = -1 EBADF (Bad file descriptor) [pid 22452] close(25) = -1 EBADF (Bad file descriptor) [pid 22452] close(26) = -1 EBADF (Bad file descriptor) [pid 22452] close(27) = -1 EBADF (Bad file descriptor) [pid 22452] close(28) = -1 EBADF (Bad file descriptor) [pid 22452] close(29) = -1 EBADF (Bad file descriptor) [pid 22452] exit_group(0) = ? [pid 22453] <... futex resumed>) = ? [pid 22454] <... futex resumed>) = ? [pid 22454] +++ exited with 0 +++ [pid 22453] +++ exited with 0 +++ [pid 22452] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7616", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7616", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7616/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7616/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7616/cgroup.cpu") = 0 [pid 287] umount2("./7616/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7616/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7616/binderfs") = 0 [pid 287] umount2("./7616/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7616/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7616/cgroup") = 0 [pid 287] umount2("./7616/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7616/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7616/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7616") = 0 [pid 287] mkdir("./7617", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22455 attached [pid 22455] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22044 [pid 22455] chdir("./7617") = 0 [pid 22455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22455] setpgid(0, 0) = 0 [pid 22455] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22455] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22455] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22455] write(3, "1000", 4) = 4 [pid 22455] close(3) = 0 [pid 22455] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22455] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22455] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22455] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22456 attached [pid 22456] set_robust_list(0x7f3b956fb9a0, 24 [pid 22455] <... clone3 resumed> => {parent_tid=[22045]}, 88) = 22045 [pid 22456] <... set_robust_list resumed>) = 0 [pid 22455] rt_sigprocmask(SIG_SETMASK, [], [pid 22456] rt_sigprocmask(SIG_SETMASK, [], [pid 22455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22455] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22455] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22456] <... bpf resumed>) = 3 [pid 22456] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22455] <... futex resumed>) = 0 [pid 22456] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22455] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22455] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22456] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22455] <... futex resumed>) = 0 [pid 22456] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22455] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22455] <... futex resumed>) = 0 [pid 22456] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22455] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22456] <... bpf resumed>) = 0 [pid 22455] <... futex resumed>) = 0 [pid 22456] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22456] <... futex resumed>) = 0 [pid 22455] <... mmap resumed>) = 0x7f3b956ba000 [pid 22456] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22455] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22457 attached [pid 22457] set_robust_list(0x7f3b956da9a0, 24 [pid 22455] <... clone3 resumed> => {parent_tid=[22046]}, 88) = 22046 [pid 22457] <... set_robust_list resumed>) = 0 [pid 22455] rt_sigprocmask(SIG_SETMASK, [], [pid 22457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22457] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22455] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22455] <... futex resumed>) = 0 [pid 22455] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22457] <... bpf resumed>) = 5 [pid 22457] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22455] <... futex resumed>) = 0 [pid 22457] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22455] close(3) = 0 [pid 22455] close(4) = 0 [pid 22455] close(5) = 0 [pid 22455] close(6) = -1 EBADF (Bad file descriptor) [pid 22455] close(7) = -1 EBADF (Bad file descriptor) [pid 22455] close(8) = -1 EBADF (Bad file descriptor) [pid 22455] close(9) = -1 EBADF (Bad file descriptor) [pid 22455] close(10) = -1 EBADF (Bad file descriptor) [pid 22455] close(11) = -1 EBADF (Bad file descriptor) [pid 22455] close(12) = -1 EBADF (Bad file descriptor) [pid 22455] close(13) = -1 EBADF (Bad file descriptor) [pid 22455] close(14) = -1 EBADF (Bad file descriptor) [pid 22455] close(15) = -1 EBADF (Bad file descriptor) [pid 22455] close(16) = -1 EBADF (Bad file descriptor) [pid 22455] close(17) = -1 EBADF (Bad file descriptor) [pid 22455] close(18) = -1 EBADF (Bad file descriptor) [pid 22455] close(19) = -1 EBADF (Bad file descriptor) [pid 22455] close(20) = -1 EBADF (Bad file descriptor) [pid 22455] close(21) = -1 EBADF (Bad file descriptor) [pid 22455] close(22) = -1 EBADF (Bad file descriptor) [pid 22455] close(23) = -1 EBADF (Bad file descriptor) [pid 22455] close(24) = -1 EBADF (Bad file descriptor) [pid 22455] close(25) = -1 EBADF (Bad file descriptor) [pid 22455] close(26) = -1 EBADF (Bad file descriptor) [pid 22455] close(27) = -1 EBADF (Bad file descriptor) [pid 22455] close(28) = -1 EBADF (Bad file descriptor) [pid 22455] close(29) = -1 EBADF (Bad file descriptor) [pid 22455] exit_group(0) = ? [pid 22456] <... futex resumed>) = ? [pid 22457] <... futex resumed>) = ? [pid 22456] +++ exited with 0 +++ [pid 22457] +++ exited with 0 +++ [pid 22455] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7617", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7617", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7617/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7617/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7617/cgroup.cpu") = 0 [pid 287] umount2("./7617/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7617/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7617/binderfs") = 0 [pid 287] umount2("./7617/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7617/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7617/cgroup") = 0 [pid 287] umount2("./7617/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7617/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7617/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7617") = 0 [pid 287] mkdir("./7618", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22458 attached [pid 22458] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22458] chdir("./7618" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22047 [pid 22458] <... chdir resumed>) = 0 [pid 22458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22458] setpgid(0, 0) = 0 [pid 22458] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22458] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22458] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22458] write(3, "1000", 4) = 4 [pid 22458] close(3) = 0 [pid 22458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22458] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22458] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22458] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22459 attached [pid 22459] set_robust_list(0x7f3b956fb9a0, 24 [pid 22458] <... clone3 resumed> => {parent_tid=[22048]}, 88) = 22048 [pid 22459] <... set_robust_list resumed>) = 0 [pid 22458] rt_sigprocmask(SIG_SETMASK, [], [pid 22459] rt_sigprocmask(SIG_SETMASK, [], [pid 22458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22458] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22458] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22459] <... bpf resumed>) = 3 [pid 22459] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22458] <... futex resumed>) = 0 [pid 22459] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22458] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22458] <... futex resumed>) = 0 [pid 22459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22458] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22459] <... bpf resumed>) = 4 [pid 22459] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22458] <... futex resumed>) = 0 [pid 22459] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22458] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22458] <... futex resumed>) = 0 [pid 22459] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22458] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22459] <... bpf resumed>) = 0 [pid 22458] <... futex resumed>) = 0 [pid 22459] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22459] <... futex resumed>) = 0 [pid 22458] <... mmap resumed>) = 0x7f3b956ba000 [pid 22459] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22458] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22460 attached => {parent_tid=[22049]}, 88) = 22049 [pid 22460] set_robust_list(0x7f3b956da9a0, 24 [pid 22458] rt_sigprocmask(SIG_SETMASK, [], [pid 22460] <... set_robust_list resumed>) = 0 [pid 22458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22460] rt_sigprocmask(SIG_SETMASK, [], [pid 22458] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22458] <... futex resumed>) = 0 [pid 22460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22458] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22460] <... bpf resumed>) = 5 [pid 22460] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22458] <... futex resumed>) = 0 [pid 22460] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22458] close(3) = 0 [pid 22458] close(4) = 0 [pid 22458] close(5) = 0 [pid 22458] close(6) = -1 EBADF (Bad file descriptor) [pid 22458] close(7) = -1 EBADF (Bad file descriptor) [pid 22458] close(8) = -1 EBADF (Bad file descriptor) [pid 22458] close(9) = -1 EBADF (Bad file descriptor) [pid 22458] close(10) = -1 EBADF (Bad file descriptor) [pid 22458] close(11) = -1 EBADF (Bad file descriptor) [pid 22458] close(12) = -1 EBADF (Bad file descriptor) [pid 22458] close(13) = -1 EBADF (Bad file descriptor) [pid 22458] close(14) = -1 EBADF (Bad file descriptor) [pid 22458] close(15) = -1 EBADF (Bad file descriptor) [pid 22458] close(16) = -1 EBADF (Bad file descriptor) [pid 22458] close(17) = -1 EBADF (Bad file descriptor) [pid 22458] close(18) = -1 EBADF (Bad file descriptor) [pid 22458] close(19) = -1 EBADF (Bad file descriptor) [pid 22458] close(20) = -1 EBADF (Bad file descriptor) [pid 22458] close(21) = -1 EBADF (Bad file descriptor) [pid 22458] close(22) = -1 EBADF (Bad file descriptor) [pid 22458] close(23) = -1 EBADF (Bad file descriptor) [pid 22458] close(24) = -1 EBADF (Bad file descriptor) [pid 22458] close(25) = -1 EBADF (Bad file descriptor) [pid 22458] close(26) = -1 EBADF (Bad file descriptor) [pid 22458] close(27) = -1 EBADF (Bad file descriptor) [pid 22458] close(28) = -1 EBADF (Bad file descriptor) [pid 22458] close(29) = -1 EBADF (Bad file descriptor) [pid 22458] exit_group(0 [pid 22460] <... futex resumed>) = ? [pid 22459] <... futex resumed>) = ? [pid 22458] <... exit_group resumed>) = ? [pid 22460] +++ exited with 0 +++ [pid 22459] +++ exited with 0 +++ [pid 22458] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7618", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7618", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7618/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7618/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7618/cgroup.cpu") = 0 [pid 287] umount2("./7618/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7618/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7618/binderfs") = 0 [pid 287] umount2("./7618/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7618/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7618/cgroup") = 0 [pid 287] umount2("./7618/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7618/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7618/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7618") = 0 [pid 287] mkdir("./7619", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22461 attached [pid 22461] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22461] chdir("./7619") = 0 [pid 22461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22461] setpgid(0, 0) = 0 [pid 22461] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22050 [pid 22461] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22461] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22461] write(3, "1000", 4) = 4 [pid 22461] close(3) = 0 [pid 22461] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22461] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22461] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22461] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22462 attached => {parent_tid=[22051]}, 88) = 22051 [pid 22461] rt_sigprocmask(SIG_SETMASK, [], [pid 22462] set_robust_list(0x7f3b956fb9a0, 24 [pid 22461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22462] <... set_robust_list resumed>) = 0 [pid 22461] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22462] rt_sigprocmask(SIG_SETMASK, [], [pid 22461] <... futex resumed>) = 0 [pid 22462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22461] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22462] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22461] <... futex resumed>) = 0 [pid 22462] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22461] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22461] <... futex resumed>) = 0 [pid 22462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22461] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22462] <... bpf resumed>) = 4 [pid 22462] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22461] <... futex resumed>) = 0 [pid 22462] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22461] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22461] <... futex resumed>) = 0 [pid 22462] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22461] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22462] <... bpf resumed>) = 0 [pid 22461] <... futex resumed>) = 0 [pid 22462] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22462] <... futex resumed>) = 0 [pid 22461] <... mmap resumed>) = 0x7f3b956ba000 [pid 22462] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22461] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22463 attached [pid 22463] set_robust_list(0x7f3b956da9a0, 24 [pid 22461] <... clone3 resumed> => {parent_tid=[22052]}, 88) = 22052 [pid 22463] <... set_robust_list resumed>) = 0 [pid 22463] rt_sigprocmask(SIG_SETMASK, [], [pid 22461] rt_sigprocmask(SIG_SETMASK, [], [pid 22463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22463] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22461] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22461] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22463] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22461] <... futex resumed>) = 0 [pid 22463] <... futex resumed>) = 1 [pid 22463] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22461] close(3) = 0 [pid 22461] close(4) = 0 [pid 22461] close(5) = 0 [pid 22461] close(6) = -1 EBADF (Bad file descriptor) [pid 22461] close(7) = -1 EBADF (Bad file descriptor) [pid 22461] close(8) = -1 EBADF (Bad file descriptor) [pid 22461] close(9) = -1 EBADF (Bad file descriptor) [pid 22461] close(10) = -1 EBADF (Bad file descriptor) [pid 22461] close(11) = -1 EBADF (Bad file descriptor) [pid 22461] close(12) = -1 EBADF (Bad file descriptor) [pid 22461] close(13) = -1 EBADF (Bad file descriptor) [pid 22461] close(14) = -1 EBADF (Bad file descriptor) [pid 22461] close(15) = -1 EBADF (Bad file descriptor) [pid 22461] close(16) = -1 EBADF (Bad file descriptor) [pid 22461] close(17) = -1 EBADF (Bad file descriptor) [pid 22461] close(18) = -1 EBADF (Bad file descriptor) [pid 22461] close(19) = -1 EBADF (Bad file descriptor) [pid 22461] close(20) = -1 EBADF (Bad file descriptor) [pid 22461] close(21) = -1 EBADF (Bad file descriptor) [pid 22461] close(22) = -1 EBADF (Bad file descriptor) [pid 22461] close(23) = -1 EBADF (Bad file descriptor) [pid 22461] close(24) = -1 EBADF (Bad file descriptor) [pid 22461] close(25) = -1 EBADF (Bad file descriptor) [pid 22461] close(26) = -1 EBADF (Bad file descriptor) [pid 22461] close(27) = -1 EBADF (Bad file descriptor) [pid 22461] close(28) = -1 EBADF (Bad file descriptor) [pid 22461] close(29) = -1 EBADF (Bad file descriptor) [pid 22461] exit_group(0 [pid 22463] <... futex resumed>) = ? [pid 22462] <... futex resumed>) = ? [pid 22461] <... exit_group resumed>) = ? [pid 22463] +++ exited with 0 +++ [pid 22462] +++ exited with 0 +++ [pid 22461] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7619", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7619", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7619/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7619/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7619/cgroup.cpu") = 0 [pid 287] umount2("./7619/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7619/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7619/binderfs") = 0 [pid 287] umount2("./7619/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7619/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7619/cgroup") = 0 [pid 287] umount2("./7619/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7619/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7619/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7619") = 0 [pid 287] mkdir("./7620", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22464 attached [pid 22464] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22464] chdir("./7620") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22053 [pid 22464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22464] setpgid(0, 0) = 0 [pid 22464] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22464] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22464] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22464] write(3, "1000", 4) = 4 [pid 22464] close(3) = 0 [pid 22464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22464] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22464] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22464] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22465 attached [pid 22465] set_robust_list(0x7f3b956fb9a0, 24 [pid 22464] <... clone3 resumed> => {parent_tid=[22054]}, 88) = 22054 [pid 22465] <... set_robust_list resumed>) = 0 [pid 22464] rt_sigprocmask(SIG_SETMASK, [], [pid 22465] rt_sigprocmask(SIG_SETMASK, [], [pid 22464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22464] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22465] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22464] <... futex resumed>) = 0 [pid 22465] <... bpf resumed>) = 3 [pid 22464] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22465] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22465] <... futex resumed>) = 0 [pid 22464] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22465] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22464] <... futex resumed>) = 0 [pid 22465] <... bpf resumed>) = 4 [pid 22464] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22465] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22465] <... futex resumed>) = 0 [pid 22464] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22465] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22464] <... futex resumed>) = 0 [pid 22465] <... bpf resumed>) = 0 [pid 22464] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22465] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22464] <... futex resumed>) = 0 [pid 22465] <... futex resumed>) = 0 [pid 22464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22465] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22464] <... mmap resumed>) = 0x7f3b956ba000 [pid 22464] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22466 attached => {parent_tid=[22055]}, 88) = 22055 [pid 22466] set_robust_list(0x7f3b956da9a0, 24 [pid 22464] rt_sigprocmask(SIG_SETMASK, [], [pid 22466] <... set_robust_list resumed>) = 0 [pid 22464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22464] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22464] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22466] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22464] <... futex resumed>) = 0 [pid 22466] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22464] close(3) = 0 [pid 22464] close(4) = 0 [pid 22464] close(5) = 0 [pid 22464] close(6) = -1 EBADF (Bad file descriptor) [pid 22464] close(7) = -1 EBADF (Bad file descriptor) [pid 22464] close(8) = -1 EBADF (Bad file descriptor) [pid 22464] close(9) = -1 EBADF (Bad file descriptor) [pid 22464] close(10) = -1 EBADF (Bad file descriptor) [pid 22464] close(11) = -1 EBADF (Bad file descriptor) [pid 22464] close(12) = -1 EBADF (Bad file descriptor) [pid 22464] close(13) = -1 EBADF (Bad file descriptor) [pid 22464] close(14) = -1 EBADF (Bad file descriptor) [pid 22464] close(15) = -1 EBADF (Bad file descriptor) [pid 22464] close(16) = -1 EBADF (Bad file descriptor) [pid 22464] close(17) = -1 EBADF (Bad file descriptor) [pid 22464] close(18) = -1 EBADF (Bad file descriptor) [pid 22464] close(19) = -1 EBADF (Bad file descriptor) [pid 22464] close(20) = -1 EBADF (Bad file descriptor) [pid 22464] close(21) = -1 EBADF (Bad file descriptor) [pid 22464] close(22) = -1 EBADF (Bad file descriptor) [pid 22464] close(23) = -1 EBADF (Bad file descriptor) [pid 22464] close(24) = -1 EBADF (Bad file descriptor) [pid 22464] close(25) = -1 EBADF (Bad file descriptor) [pid 22464] close(26) = -1 EBADF (Bad file descriptor) [pid 22464] close(27) = -1 EBADF (Bad file descriptor) [pid 22464] close(28) = -1 EBADF (Bad file descriptor) [pid 22464] close(29) = -1 EBADF (Bad file descriptor) [pid 22464] exit_group(0 [pid 22466] <... futex resumed>) = ? [pid 22465] <... futex resumed>) = ? [pid 22464] <... exit_group resumed>) = ? [pid 22466] +++ exited with 0 +++ [pid 22465] +++ exited with 0 +++ [pid 22464] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7620", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7620", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7620/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7620/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7620/cgroup.cpu") = 0 [pid 287] umount2("./7620/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7620/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7620/binderfs") = 0 [pid 287] umount2("./7620/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7620/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7620/cgroup") = 0 [pid 287] umount2("./7620/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7620/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7620/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7620") = 0 [pid 287] mkdir("./7621", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22467 attached [pid 22467] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22467] chdir("./7621") = 0 [pid 22467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22467] setpgid(0, 0) = 0 [pid 22467] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22056 [pid 22467] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22467] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22467] write(3, "1000", 4) = 4 [pid 22467] close(3) = 0 [pid 22467] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22467] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22467] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22467] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22468 attached => {parent_tid=[22057]}, 88) = 22057 [pid 22468] set_robust_list(0x7f3b956fb9a0, 24 [pid 22467] rt_sigprocmask(SIG_SETMASK, [], [pid 22468] <... set_robust_list resumed>) = 0 [pid 22467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22468] rt_sigprocmask(SIG_SETMASK, [], [pid 22467] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22467] <... futex resumed>) = 0 [pid 22467] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22468] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22467] <... futex resumed>) = 0 [pid 22468] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22467] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22467] <... futex resumed>) = 0 [pid 22468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22467] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22468] <... bpf resumed>) = 4 [pid 22468] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22467] <... futex resumed>) = 0 [pid 22468] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22467] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22467] <... futex resumed>) = 0 [pid 22468] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22467] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22468] <... bpf resumed>) = 0 [pid 22467] <... futex resumed>) = 0 [pid 22468] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22468] <... futex resumed>) = 0 [pid 22467] <... mmap resumed>) = 0x7f3b956ba000 [pid 22467] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22468] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22469 attached => {parent_tid=[22058]}, 88) = 22058 [pid 22469] set_robust_list(0x7f3b956da9a0, 24 [pid 22467] rt_sigprocmask(SIG_SETMASK, [], [pid 22469] <... set_robust_list resumed>) = 0 [pid 22467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22467] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22467] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22469] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22469] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22467] <... futex resumed>) = 0 [pid 22469] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22467] close(3) = 0 [pid 22467] close(4) = 0 [pid 22467] close(5) = 0 [pid 22467] close(6) = -1 EBADF (Bad file descriptor) [pid 22467] close(7) = -1 EBADF (Bad file descriptor) [pid 22467] close(8) = -1 EBADF (Bad file descriptor) [pid 22467] close(9) = -1 EBADF (Bad file descriptor) [pid 22467] close(10) = -1 EBADF (Bad file descriptor) [pid 22467] close(11) = -1 EBADF (Bad file descriptor) [pid 22467] close(12) = -1 EBADF (Bad file descriptor) [pid 22467] close(13) = -1 EBADF (Bad file descriptor) [pid 22467] close(14) = -1 EBADF (Bad file descriptor) [pid 22467] close(15) = -1 EBADF (Bad file descriptor) [pid 22467] close(16) = -1 EBADF (Bad file descriptor) [pid 22467] close(17) = -1 EBADF (Bad file descriptor) [pid 22467] close(18) = -1 EBADF (Bad file descriptor) [pid 22467] close(19) = -1 EBADF (Bad file descriptor) [pid 22467] close(20) = -1 EBADF (Bad file descriptor) [pid 22467] close(21) = -1 EBADF (Bad file descriptor) [pid 22467] close(22) = -1 EBADF (Bad file descriptor) [pid 22467] close(23) = -1 EBADF (Bad file descriptor) [pid 22467] close(24) = -1 EBADF (Bad file descriptor) [pid 22467] close(25) = -1 EBADF (Bad file descriptor) [pid 22467] close(26) = -1 EBADF (Bad file descriptor) [pid 22467] close(27) = -1 EBADF (Bad file descriptor) [pid 22467] close(28) = -1 EBADF (Bad file descriptor) [pid 22467] close(29) = -1 EBADF (Bad file descriptor) [pid 22467] exit_group(0 [pid 22468] <... futex resumed>) = ? [pid 22467] <... exit_group resumed>) = ? [pid 22468] +++ exited with 0 +++ [pid 22469] <... futex resumed>) = ? [pid 22469] +++ exited with 0 +++ [pid 22467] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7621", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7621", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7621/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7621/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7621/cgroup.cpu") = 0 [pid 287] umount2("./7621/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7621/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7621/binderfs") = 0 [pid 287] umount2("./7621/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7621/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7621/cgroup") = 0 [pid 287] umount2("./7621/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7621/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7621/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7621") = 0 [pid 287] mkdir("./7622", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22059 ./strace-static-x86_64: Process 22470 attached [pid 22470] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22470] chdir("./7622") = 0 [pid 22470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22470] setpgid(0, 0) = 0 [pid 22470] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22470] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22470] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22470] write(3, "1000", 4) = 4 [pid 22470] close(3) = 0 [pid 22470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22470] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22470] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22470] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22471 attached [pid 22471] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22471] rt_sigprocmask(SIG_SETMASK, [], [pid 22470] <... clone3 resumed> => {parent_tid=[22060]}, 88) = 22060 [pid 22471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22471] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22470] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22471] <... futex resumed>) = 0 [pid 22470] <... futex resumed>) = 1 [pid 22471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22470] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22471] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22471] <... futex resumed>) = 0 [pid 22470] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22471] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22470] <... futex resumed>) = 0 [pid 22471] <... bpf resumed>) = 4 [pid 22471] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22470] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22471] <... futex resumed>) = 0 [pid 22471] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22470] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22471] <... futex resumed>) = 0 [pid 22470] <... futex resumed>) = 1 [pid 22471] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22470] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22471] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22470] <... futex resumed>) = 0 [pid 22471] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22470] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22472 attached [pid 22472] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22472] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22470] <... clone3 resumed> => {parent_tid=[22061]}, 88) = 22061 [pid 22470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22470] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22472] <... futex resumed>) = 0 [pid 22470] <... futex resumed>) = 1 [pid 22472] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22470] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22472] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22472] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22470] close(3) = 0 [pid 22470] close(4) = 0 [pid 22470] close(5) = 0 [pid 22470] close(6) = -1 EBADF (Bad file descriptor) [pid 22470] close(7) = -1 EBADF (Bad file descriptor) [pid 22470] close(8) = -1 EBADF (Bad file descriptor) [pid 22470] close(9) = -1 EBADF (Bad file descriptor) [pid 22470] close(10) = -1 EBADF (Bad file descriptor) [pid 22470] close(11) = -1 EBADF (Bad file descriptor) [pid 22470] close(12) = -1 EBADF (Bad file descriptor) [pid 22470] close(13) = -1 EBADF (Bad file descriptor) [pid 22470] close(14) = -1 EBADF (Bad file descriptor) [pid 22470] close(15) = -1 EBADF (Bad file descriptor) [pid 22470] close(16) = -1 EBADF (Bad file descriptor) [pid 22470] close(17) = -1 EBADF (Bad file descriptor) [pid 22470] close(18) = -1 EBADF (Bad file descriptor) [pid 22470] close(19) = -1 EBADF (Bad file descriptor) [pid 22470] close(20) = -1 EBADF (Bad file descriptor) [pid 22470] close(21) = -1 EBADF (Bad file descriptor) [pid 22470] close(22) = -1 EBADF (Bad file descriptor) [pid 22470] close(23) = -1 EBADF (Bad file descriptor) [pid 22470] close(24) = -1 EBADF (Bad file descriptor) [pid 22470] close(25) = -1 EBADF (Bad file descriptor) [pid 22470] close(26) = -1 EBADF (Bad file descriptor) [pid 22470] close(27) = -1 EBADF (Bad file descriptor) [pid 22470] close(28) = -1 EBADF (Bad file descriptor) [pid 22470] close(29) = -1 EBADF (Bad file descriptor) [pid 22470] exit_group(0 [pid 22472] <... futex resumed>) = ? [pid 22471] <... futex resumed>) = ? [pid 22470] <... exit_group resumed>) = ? [pid 22472] +++ exited with 0 +++ [pid 22471] +++ exited with 0 +++ [pid 22470] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7622", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7622", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7622/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7622/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7622/cgroup.cpu") = 0 [pid 287] umount2("./7622/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7622/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7622/binderfs") = 0 [pid 287] umount2("./7622/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7622/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7622/cgroup") = 0 [pid 287] umount2("./7622/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7622/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7622/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7622") = 0 [pid 287] mkdir("./7623", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22473 attached [pid 22473] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22062 [pid 22473] chdir("./7623") = 0 [pid 22473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22473] setpgid(0, 0) = 0 [pid 22473] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22473] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22473] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22473] write(3, "1000", 4) = 4 [pid 22473] close(3) = 0 [pid 22473] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22473] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22473] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22473] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22474 attached [pid 22474] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22473] <... clone3 resumed> => {parent_tid=[22063]}, 88) = 22063 [pid 22474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22473] rt_sigprocmask(SIG_SETMASK, [], [pid 22474] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22473] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22474] <... futex resumed>) = 0 [pid 22473] <... futex resumed>) = 1 [pid 22473] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22474] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22473] <... futex resumed>) = 0 [pid 22474] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22473] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22473] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22474] <... futex resumed>) = 0 [pid 22474] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22474] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22473] <... futex resumed>) = 0 [pid 22474] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22473] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22473] <... futex resumed>) = 0 [pid 22474] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22473] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22474] <... bpf resumed>) = 0 [pid 22473] <... futex resumed>) = 0 [pid 22474] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22474] <... futex resumed>) = 0 [pid 22473] <... mmap resumed>) = 0x7f3b956ba000 [pid 22474] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22473] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22475 attached => {parent_tid=[22064]}, 88) = 22064 [pid 22475] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22473] rt_sigprocmask(SIG_SETMASK, [], [pid 22475] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22473] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22475] <... futex resumed>) = 0 [pid 22473] <... futex resumed>) = 1 [pid 22475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22473] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22475] <... bpf resumed>) = 5 [pid 22475] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22473] <... futex resumed>) = 0 [pid 22473] close(3 [pid 22475] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22473] <... close resumed>) = 0 [pid 22473] close(4) = 0 [pid 22473] close(5) = 0 [pid 22473] close(6) = -1 EBADF (Bad file descriptor) [pid 22473] close(7) = -1 EBADF (Bad file descriptor) [pid 22473] close(8) = -1 EBADF (Bad file descriptor) [pid 22473] close(9) = -1 EBADF (Bad file descriptor) [pid 22473] close(10) = -1 EBADF (Bad file descriptor) [pid 22473] close(11) = -1 EBADF (Bad file descriptor) [pid 22473] close(12) = -1 EBADF (Bad file descriptor) [pid 22473] close(13) = -1 EBADF (Bad file descriptor) [pid 22473] close(14) = -1 EBADF (Bad file descriptor) [pid 22473] close(15) = -1 EBADF (Bad file descriptor) [pid 22473] close(16) = -1 EBADF (Bad file descriptor) [pid 22473] close(17) = -1 EBADF (Bad file descriptor) [pid 22473] close(18) = -1 EBADF (Bad file descriptor) [pid 22473] close(19) = -1 EBADF (Bad file descriptor) [pid 22473] close(20) = -1 EBADF (Bad file descriptor) [pid 22473] close(21) = -1 EBADF (Bad file descriptor) [pid 22473] close(22) = -1 EBADF (Bad file descriptor) [pid 22473] close(23) = -1 EBADF (Bad file descriptor) [pid 22473] close(24) = -1 EBADF (Bad file descriptor) [pid 22473] close(25) = -1 EBADF (Bad file descriptor) [pid 22473] close(26) = -1 EBADF (Bad file descriptor) [pid 22473] close(27) = -1 EBADF (Bad file descriptor) [pid 22473] close(28) = -1 EBADF (Bad file descriptor) [pid 22473] close(29) = -1 EBADF (Bad file descriptor) [pid 22473] exit_group(0) = ? [pid 22475] <... futex resumed>) = ? [pid 22474] <... futex resumed>) = ? [pid 22474] +++ exited with 0 +++ [pid 22475] +++ exited with 0 +++ [pid 22473] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7623", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7623", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7623/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7623/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7623/cgroup.cpu") = 0 [pid 287] umount2("./7623/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7623/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7623/binderfs") = 0 [pid 287] umount2("./7623/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7623/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7623/cgroup") = 0 [pid 287] umount2("./7623/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7623/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7623/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7623") = 0 [pid 287] mkdir("./7624", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22476 attached [pid 22476] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22476] chdir("./7624" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22065 [pid 22476] <... chdir resumed>) = 0 [pid 22476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22476] setpgid(0, 0) = 0 [pid 22476] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22476] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22476] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22476] write(3, "1000", 4) = 4 [pid 22476] close(3) = 0 [pid 22476] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22476] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22476] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22476] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22477 attached [pid 22477] set_robust_list(0x7f3b956fb9a0, 24 [pid 22476] <... clone3 resumed> => {parent_tid=[22066]}, 88) = 22066 [pid 22477] <... set_robust_list resumed>) = 0 [pid 22476] rt_sigprocmask(SIG_SETMASK, [], [pid 22477] rt_sigprocmask(SIG_SETMASK, [], [pid 22476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22476] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22477] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22476] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22477] <... bpf resumed>) = 3 [pid 22477] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22476] <... futex resumed>) = 0 [pid 22477] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22476] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22476] <... futex resumed>) = 0 [pid 22477] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22476] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22477] <... bpf resumed>) = 4 [pid 22477] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22476] <... futex resumed>) = 0 [pid 22477] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22476] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22476] <... futex resumed>) = 0 [pid 22477] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22476] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22477] <... bpf resumed>) = 0 [pid 22476] <... futex resumed>) = 0 [pid 22477] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22477] <... futex resumed>) = 0 [pid 22476] <... mmap resumed>) = 0x7f3b956ba000 [pid 22477] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22476] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22478 attached [pid 22478] set_robust_list(0x7f3b956da9a0, 24 [pid 22476] <... clone3 resumed> => {parent_tid=[22067]}, 88) = 22067 [pid 22478] <... set_robust_list resumed>) = 0 [pid 22478] rt_sigprocmask(SIG_SETMASK, [], [pid 22476] rt_sigprocmask(SIG_SETMASK, [], [pid 22478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22478] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22476] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22478] <... futex resumed>) = 0 [pid 22476] <... futex resumed>) = 1 [pid 22478] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22476] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22478] <... bpf resumed>) = 5 [pid 22478] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22476] <... futex resumed>) = 0 [pid 22478] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22476] close(3) = 0 [pid 22476] close(4) = 0 [pid 22476] close(5) = 0 [pid 22476] close(6) = -1 EBADF (Bad file descriptor) [pid 22476] close(7) = -1 EBADF (Bad file descriptor) [pid 22476] close(8) = -1 EBADF (Bad file descriptor) [pid 22476] close(9) = -1 EBADF (Bad file descriptor) [pid 22476] close(10) = -1 EBADF (Bad file descriptor) [pid 22476] close(11) = -1 EBADF (Bad file descriptor) [pid 22476] close(12) = -1 EBADF (Bad file descriptor) [pid 22476] close(13) = -1 EBADF (Bad file descriptor) [pid 22476] close(14) = -1 EBADF (Bad file descriptor) [pid 22476] close(15) = -1 EBADF (Bad file descriptor) [pid 22476] close(16) = -1 EBADF (Bad file descriptor) [pid 22476] close(17) = -1 EBADF (Bad file descriptor) [pid 22476] close(18) = -1 EBADF (Bad file descriptor) [pid 22476] close(19) = -1 EBADF (Bad file descriptor) [pid 22476] close(20) = -1 EBADF (Bad file descriptor) [pid 22476] close(21) = -1 EBADF (Bad file descriptor) [pid 22476] close(22) = -1 EBADF (Bad file descriptor) [pid 22476] close(23) = -1 EBADF (Bad file descriptor) [pid 22476] close(24) = -1 EBADF (Bad file descriptor) [pid 22476] close(25) = -1 EBADF (Bad file descriptor) [pid 22476] close(26) = -1 EBADF (Bad file descriptor) [pid 22476] close(27) = -1 EBADF (Bad file descriptor) [pid 22476] close(28) = -1 EBADF (Bad file descriptor) [pid 22476] close(29) = -1 EBADF (Bad file descriptor) [pid 22476] exit_group(0 [pid 22477] <... futex resumed>) = ? [pid 22476] <... exit_group resumed>) = ? [pid 22478] <... futex resumed>) = ? [pid 22477] +++ exited with 0 +++ [pid 22478] +++ exited with 0 +++ [pid 22476] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7624", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7624", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7624/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7624/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7624/cgroup.cpu") = 0 [pid 287] umount2("./7624/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7624/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7624/binderfs") = 0 [pid 287] umount2("./7624/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7624/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7624/cgroup") = 0 [pid 287] umount2("./7624/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7624/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7624/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7624") = 0 [pid 287] mkdir("./7625", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22479 attached [pid 22479] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22068 [pid 22479] chdir("./7625") = 0 [pid 22479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22479] setpgid(0, 0) = 0 [pid 22479] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22479] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22479] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22479] write(3, "1000", 4) = 4 [pid 22479] close(3) = 0 [pid 22479] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22479] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22479] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22479] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22480 attached [pid 22480] set_robust_list(0x7f3b956fb9a0, 24 [pid 22479] <... clone3 resumed> => {parent_tid=[22069]}, 88) = 22069 [pid 22480] <... set_robust_list resumed>) = 0 [pid 22479] rt_sigprocmask(SIG_SETMASK, [], [pid 22480] rt_sigprocmask(SIG_SETMASK, [], [pid 22479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22479] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22480] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22479] <... futex resumed>) = 0 [pid 22479] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22480] <... bpf resumed>) = 3 [pid 22480] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22479] <... futex resumed>) = 0 [pid 22479] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22480] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22479] <... futex resumed>) = 0 [pid 22479] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22480] <... bpf resumed>) = 4 [pid 22480] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22479] <... futex resumed>) = 0 [pid 22480] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22479] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22479] <... futex resumed>) = 0 [pid 22480] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22479] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22480] <... bpf resumed>) = 0 [pid 22479] <... futex resumed>) = 0 [pid 22480] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22480] <... futex resumed>) = 0 [pid 22479] <... mmap resumed>) = 0x7f3b956ba000 [pid 22480] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22479] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22481 attached [pid 22481] set_robust_list(0x7f3b956da9a0, 24 [pid 22479] <... clone3 resumed> => {parent_tid=[22070]}, 88) = 22070 [pid 22481] <... set_robust_list resumed>) = 0 [pid 22481] rt_sigprocmask(SIG_SETMASK, [], [pid 22479] rt_sigprocmask(SIG_SETMASK, [], [pid 22481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22481] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22479] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22481] <... futex resumed>) = 0 [pid 22479] <... futex resumed>) = 1 [pid 22481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22479] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22481] <... bpf resumed>) = 5 [pid 22481] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22479] <... futex resumed>) = 0 [pid 22481] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22479] close(3) = 0 [pid 22479] close(4) = 0 [pid 22479] close(5) = 0 [pid 22479] close(6) = -1 EBADF (Bad file descriptor) [pid 22479] close(7) = -1 EBADF (Bad file descriptor) [pid 22479] close(8) = -1 EBADF (Bad file descriptor) [pid 22479] close(9) = -1 EBADF (Bad file descriptor) [pid 22479] close(10) = -1 EBADF (Bad file descriptor) [pid 22479] close(11) = -1 EBADF (Bad file descriptor) [pid 22479] close(12) = -1 EBADF (Bad file descriptor) [pid 22479] close(13) = -1 EBADF (Bad file descriptor) [pid 22479] close(14) = -1 EBADF (Bad file descriptor) [pid 22479] close(15) = -1 EBADF (Bad file descriptor) [pid 22479] close(16) = -1 EBADF (Bad file descriptor) [pid 22479] close(17) = -1 EBADF (Bad file descriptor) [pid 22479] close(18) = -1 EBADF (Bad file descriptor) [pid 22479] close(19) = -1 EBADF (Bad file descriptor) [pid 22479] close(20) = -1 EBADF (Bad file descriptor) [pid 22479] close(21) = -1 EBADF (Bad file descriptor) [pid 22479] close(22) = -1 EBADF (Bad file descriptor) [pid 22479] close(23) = -1 EBADF (Bad file descriptor) [pid 22479] close(24) = -1 EBADF (Bad file descriptor) [pid 22479] close(25) = -1 EBADF (Bad file descriptor) [pid 22479] close(26) = -1 EBADF (Bad file descriptor) [pid 22479] close(27) = -1 EBADF (Bad file descriptor) [pid 22479] close(28) = -1 EBADF (Bad file descriptor) [pid 22479] close(29) = -1 EBADF (Bad file descriptor) [pid 22479] exit_group(0) = ? [pid 22480] <... futex resumed>) = ? [pid 22481] <... futex resumed>) = ? [pid 22481] +++ exited with 0 +++ [pid 22480] +++ exited with 0 +++ [pid 22479] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7625", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7625", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7625/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7625/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7625/cgroup.cpu") = 0 [pid 287] umount2("./7625/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7625/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7625/binderfs") = 0 [pid 287] umount2("./7625/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7625/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7625/cgroup") = 0 [pid 287] umount2("./7625/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7625/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7625/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7625") = 0 [pid 287] mkdir("./7626", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22482 attached [pid 22482] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22071 [pid 22482] chdir("./7626") = 0 [pid 22482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22482] setpgid(0, 0) = 0 [pid 22482] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22482] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22482] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22482] write(3, "1000", 4) = 4 [pid 22482] close(3) = 0 [pid 22482] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22482] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22482] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22482] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22483 attached [pid 22483] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22482] <... clone3 resumed> => {parent_tid=[22072]}, 88) = 22072 [pid 22483] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22482] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22483] <... futex resumed>) = 0 [pid 22482] <... futex resumed>) = 1 [pid 22483] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22482] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22483] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22483] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22482] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22483] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22482] <... futex resumed>) = 0 [pid 22483] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22482] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22483] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22482] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22483] <... futex resumed>) = 0 [pid 22482] <... futex resumed>) = 1 [pid 22483] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22482] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22483] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22482] <... futex resumed>) = 0 [pid 22483] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22482] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22484 attached [pid 22484] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22484] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22482] <... clone3 resumed> => {parent_tid=[22073]}, 88) = 22073 [pid 22482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22482] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22484] <... futex resumed>) = 0 [pid 22482] <... futex resumed>) = 1 [pid 22484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22482] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22484] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22484] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22482] close(3) = 0 [pid 22482] close(4) = 0 [pid 22482] close(5) = 0 [pid 22482] close(6) = -1 EBADF (Bad file descriptor) [pid 22482] close(7) = -1 EBADF (Bad file descriptor) [pid 22482] close(8) = -1 EBADF (Bad file descriptor) [pid 22482] close(9) = -1 EBADF (Bad file descriptor) [pid 22482] close(10) = -1 EBADF (Bad file descriptor) [pid 22482] close(11) = -1 EBADF (Bad file descriptor) [pid 22482] close(12) = -1 EBADF (Bad file descriptor) [pid 22482] close(13) = -1 EBADF (Bad file descriptor) [pid 22482] close(14) = -1 EBADF (Bad file descriptor) [pid 22482] close(15) = -1 EBADF (Bad file descriptor) [pid 22482] close(16) = -1 EBADF (Bad file descriptor) [pid 22482] close(17) = -1 EBADF (Bad file descriptor) [pid 22482] close(18) = -1 EBADF (Bad file descriptor) [pid 22482] close(19) = -1 EBADF (Bad file descriptor) [pid 22482] close(20) = -1 EBADF (Bad file descriptor) [pid 22482] close(21) = -1 EBADF (Bad file descriptor) [pid 22482] close(22) = -1 EBADF (Bad file descriptor) [pid 22482] close(23) = -1 EBADF (Bad file descriptor) [pid 22482] close(24) = -1 EBADF (Bad file descriptor) [pid 22482] close(25) = -1 EBADF (Bad file descriptor) [pid 22482] close(26) = -1 EBADF (Bad file descriptor) [pid 22482] close(27) = -1 EBADF (Bad file descriptor) [pid 22482] close(28) = -1 EBADF (Bad file descriptor) [pid 22482] close(29) = -1 EBADF (Bad file descriptor) [pid 22482] exit_group(0 [pid 22484] <... futex resumed>) = ? [pid 22483] <... futex resumed>) = ? [pid 22482] <... exit_group resumed>) = ? [pid 22484] +++ exited with 0 +++ [pid 22483] +++ exited with 0 +++ [pid 22482] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7626", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7626", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7626/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7626/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7626/cgroup.cpu") = 0 [pid 287] umount2("./7626/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7626/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7626/binderfs") = 0 [pid 287] umount2("./7626/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7626/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7626/cgroup") = 0 [pid 287] umount2("./7626/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7626/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7626/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7626") = 0 [pid 287] mkdir("./7627", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22485 attached [pid 22485] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22485] chdir("./7627") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22074 [pid 22485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22485] setpgid(0, 0) = 0 [pid 22485] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22485] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22485] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22485] write(3, "1000", 4) = 4 [pid 22485] close(3) = 0 [pid 22485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22485] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22485] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22485] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22486 attached [pid 22486] set_robust_list(0x7f3b956fb9a0, 24 [pid 22485] <... clone3 resumed> => {parent_tid=[22075]}, 88) = 22075 [pid 22486] <... set_robust_list resumed>) = 0 [pid 22485] rt_sigprocmask(SIG_SETMASK, [], [pid 22486] rt_sigprocmask(SIG_SETMASK, [], [pid 22485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22485] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22486] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22485] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22486] <... bpf resumed>) = 3 [pid 22486] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22485] <... futex resumed>) = 0 [pid 22486] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22485] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22485] <... futex resumed>) = 0 [pid 22486] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22485] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22486] <... bpf resumed>) = 4 [pid 22486] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22485] <... futex resumed>) = 0 [pid 22486] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22485] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22485] <... futex resumed>) = 0 [pid 22486] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22485] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22486] <... bpf resumed>) = 0 [pid 22485] <... futex resumed>) = 0 [pid 22486] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22486] <... futex resumed>) = 0 [pid 22485] <... mmap resumed>) = 0x7f3b956ba000 [pid 22486] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22485] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22487 attached [pid 22487] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22487] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22485] <... clone3 resumed> => {parent_tid=[22076]}, 88) = 22076 [pid 22485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22485] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22487] <... futex resumed>) = 0 [pid 22485] <... futex resumed>) = 1 [pid 22487] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22485] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22487] <... bpf resumed>) = 5 [pid 22487] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22485] <... futex resumed>) = 0 [pid 22487] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22485] close(3) = 0 [pid 22485] close(4) = 0 [pid 22485] close(5) = 0 [pid 22485] close(6) = -1 EBADF (Bad file descriptor) [pid 22485] close(7) = -1 EBADF (Bad file descriptor) [pid 22485] close(8) = -1 EBADF (Bad file descriptor) [pid 22485] close(9) = -1 EBADF (Bad file descriptor) [pid 22485] close(10) = -1 EBADF (Bad file descriptor) [pid 22485] close(11) = -1 EBADF (Bad file descriptor) [pid 22485] close(12) = -1 EBADF (Bad file descriptor) [pid 22485] close(13) = -1 EBADF (Bad file descriptor) [pid 22485] close(14) = -1 EBADF (Bad file descriptor) [pid 22485] close(15) = -1 EBADF (Bad file descriptor) [pid 22485] close(16) = -1 EBADF (Bad file descriptor) [pid 22485] close(17) = -1 EBADF (Bad file descriptor) [pid 22485] close(18) = -1 EBADF (Bad file descriptor) [pid 22485] close(19) = -1 EBADF (Bad file descriptor) [pid 22485] close(20) = -1 EBADF (Bad file descriptor) [pid 22485] close(21) = -1 EBADF (Bad file descriptor) [pid 22485] close(22) = -1 EBADF (Bad file descriptor) [pid 22485] close(23) = -1 EBADF (Bad file descriptor) [pid 22485] close(24) = -1 EBADF (Bad file descriptor) [pid 22485] close(25) = -1 EBADF (Bad file descriptor) [pid 22485] close(26) = -1 EBADF (Bad file descriptor) [pid 22485] close(27) = -1 EBADF (Bad file descriptor) [pid 22485] close(28) = -1 EBADF (Bad file descriptor) [pid 22485] close(29) = -1 EBADF (Bad file descriptor) [pid 22485] exit_group(0) = ? [pid 22486] <... futex resumed>) = ? [pid 22487] <... futex resumed>) = ? [pid 22486] +++ exited with 0 +++ [pid 22487] +++ exited with 0 +++ [pid 22485] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7627", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7627", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7627/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7627/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7627/cgroup.cpu") = 0 [pid 287] umount2("./7627/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7627/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7627/binderfs") = 0 [pid 287] umount2("./7627/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7627/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7627/cgroup") = 0 [pid 287] umount2("./7627/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7627/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7627/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7627") = 0 [pid 287] mkdir("./7628", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22488 attached [pid 22488] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22077 [pid 22488] chdir("./7628") = 0 [pid 22488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22488] setpgid(0, 0) = 0 [pid 22488] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22488] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22488] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22488] write(3, "1000", 4) = 4 [pid 22488] close(3) = 0 [pid 22488] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22488] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22488] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22488] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22489 attached => {parent_tid=[22078]}, 88) = 22078 [pid 22489] set_robust_list(0x7f3b956fb9a0, 24 [pid 22488] rt_sigprocmask(SIG_SETMASK, [], [pid 22489] <... set_robust_list resumed>) = 0 [pid 22488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22489] rt_sigprocmask(SIG_SETMASK, [], [pid 22488] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22488] <... futex resumed>) = 0 [pid 22489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22488] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22489] <... bpf resumed>) = 3 [pid 22489] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22488] <... futex resumed>) = 0 [pid 22489] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22488] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22489] <... bpf resumed>) = 4 [pid 22488] <... futex resumed>) = 0 [pid 22489] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22488] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22489] <... futex resumed>) = 0 [pid 22488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22489] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22488] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22488] <... futex resumed>) = 0 [pid 22489] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22488] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22489] <... bpf resumed>) = 0 [pid 22488] <... futex resumed>) = 0 [pid 22489] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22489] <... futex resumed>) = 0 [pid 22488] <... mmap resumed>) = 0x7f3b956ba000 [pid 22489] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22488] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22490 attached => {parent_tid=[22079]}, 88) = 22079 [pid 22490] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22490] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22488] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22490] <... futex resumed>) = 0 [pid 22488] <... futex resumed>) = 1 [pid 22490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22488] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22490] <... bpf resumed>) = 5 [pid 22490] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22488] <... futex resumed>) = 0 [pid 22490] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22488] close(3) = 0 [pid 22488] close(4) = 0 [pid 22488] close(5) = 0 [pid 22488] close(6) = -1 EBADF (Bad file descriptor) [pid 22488] close(7) = -1 EBADF (Bad file descriptor) [pid 22488] close(8) = -1 EBADF (Bad file descriptor) [pid 22488] close(9) = -1 EBADF (Bad file descriptor) [pid 22488] close(10) = -1 EBADF (Bad file descriptor) [pid 22488] close(11) = -1 EBADF (Bad file descriptor) [pid 22488] close(12) = -1 EBADF (Bad file descriptor) [pid 22488] close(13) = -1 EBADF (Bad file descriptor) [pid 22488] close(14) = -1 EBADF (Bad file descriptor) [pid 22488] close(15) = -1 EBADF (Bad file descriptor) [pid 22488] close(16) = -1 EBADF (Bad file descriptor) [pid 22488] close(17) = -1 EBADF (Bad file descriptor) [pid 22488] close(18) = -1 EBADF (Bad file descriptor) [pid 22488] close(19) = -1 EBADF (Bad file descriptor) [pid 22488] close(20) = -1 EBADF (Bad file descriptor) [pid 22488] close(21) = -1 EBADF (Bad file descriptor) [pid 22488] close(22) = -1 EBADF (Bad file descriptor) [pid 22488] close(23) = -1 EBADF (Bad file descriptor) [pid 22488] close(24) = -1 EBADF (Bad file descriptor) [pid 22488] close(25) = -1 EBADF (Bad file descriptor) [pid 22488] close(26) = -1 EBADF (Bad file descriptor) [pid 22488] close(27) = -1 EBADF (Bad file descriptor) [pid 22488] close(28) = -1 EBADF (Bad file descriptor) [pid 22488] close(29) = -1 EBADF (Bad file descriptor) [pid 22488] exit_group(0) = ? [pid 22489] <... futex resumed>) = ? [pid 22490] <... futex resumed>) = ? [pid 22489] +++ exited with 0 +++ [pid 22490] +++ exited with 0 +++ [pid 22488] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7628", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7628", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7628/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7628/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7628/cgroup.cpu") = 0 [pid 287] umount2("./7628/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7628/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7628/binderfs") = 0 [pid 287] umount2("./7628/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7628/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7628/cgroup") = 0 [pid 287] umount2("./7628/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7628/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7628/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7628") = 0 [pid 287] mkdir("./7629", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22491 attached [pid 22491] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22491] chdir("./7629") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22080 [pid 22491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22491] setpgid(0, 0) = 0 [pid 22491] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22491] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22491] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22491] write(3, "1000", 4) = 4 [pid 22491] close(3) = 0 [pid 22491] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22491] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22491] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22491] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22492 attached [pid 22492] set_robust_list(0x7f3b956fb9a0, 24 [pid 22491] <... clone3 resumed> => {parent_tid=[22081]}, 88) = 22081 [pid 22492] <... set_robust_list resumed>) = 0 [pid 22491] rt_sigprocmask(SIG_SETMASK, [], [pid 22492] rt_sigprocmask(SIG_SETMASK, [], [pid 22491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22491] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22492] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22491] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22492] <... bpf resumed>) = 3 [pid 22492] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22491] <... futex resumed>) = 0 [pid 22492] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22491] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22492] <... bpf resumed>) = 4 [pid 22491] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22492] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22492] <... futex resumed>) = 0 [pid 22491] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22492] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22491] <... futex resumed>) = 0 [pid 22492] <... bpf resumed>) = 0 [pid 22491] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22492] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22491] <... futex resumed>) = 0 [pid 22492] <... futex resumed>) = 0 [pid 22491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22492] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22491] <... mmap resumed>) = 0x7f3b956ba000 [pid 22491] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22493 attached => {parent_tid=[22082]}, 88) = 22082 [pid 22493] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22493] rt_sigprocmask(SIG_SETMASK, [], [pid 22491] rt_sigprocmask(SIG_SETMASK, [], [pid 22493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22493] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22491] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22493] <... futex resumed>) = 0 [pid 22491] <... futex resumed>) = 1 [pid 22493] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22491] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22493] <... bpf resumed>) = 5 [pid 22493] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22491] <... futex resumed>) = 0 [pid 22493] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22491] close(3) = 0 [pid 22491] close(4) = 0 [pid 22491] close(5) = 0 [pid 22491] close(6) = -1 EBADF (Bad file descriptor) [pid 22491] close(7) = -1 EBADF (Bad file descriptor) [pid 22491] close(8) = -1 EBADF (Bad file descriptor) [pid 22491] close(9) = -1 EBADF (Bad file descriptor) [pid 22491] close(10) = -1 EBADF (Bad file descriptor) [pid 22491] close(11) = -1 EBADF (Bad file descriptor) [pid 22491] close(12) = -1 EBADF (Bad file descriptor) [pid 22491] close(13) = -1 EBADF (Bad file descriptor) [pid 22491] close(14) = -1 EBADF (Bad file descriptor) [pid 22491] close(15) = -1 EBADF (Bad file descriptor) [pid 22491] close(16) = -1 EBADF (Bad file descriptor) [pid 22491] close(17) = -1 EBADF (Bad file descriptor) [pid 22491] close(18) = -1 EBADF (Bad file descriptor) [pid 22491] close(19) = -1 EBADF (Bad file descriptor) [pid 22491] close(20) = -1 EBADF (Bad file descriptor) [pid 22491] close(21) = -1 EBADF (Bad file descriptor) [pid 22491] close(22) = -1 EBADF (Bad file descriptor) [pid 22491] close(23) = -1 EBADF (Bad file descriptor) [pid 22491] close(24) = -1 EBADF (Bad file descriptor) [pid 22491] close(25) = -1 EBADF (Bad file descriptor) [pid 22491] close(26) = -1 EBADF (Bad file descriptor) [pid 22491] close(27) = -1 EBADF (Bad file descriptor) [pid 22491] close(28) = -1 EBADF (Bad file descriptor) [pid 22491] close(29) = -1 EBADF (Bad file descriptor) [pid 22491] exit_group(0 [pid 22492] <... futex resumed>) = ? [pid 22491] <... exit_group resumed>) = ? [pid 22493] <... futex resumed>) = ? [pid 22492] +++ exited with 0 +++ [pid 22493] +++ exited with 0 +++ [pid 22491] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7629", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7629", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7629/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7629/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7629/cgroup.cpu") = 0 [pid 287] umount2("./7629/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7629/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7629/binderfs") = 0 [pid 287] umount2("./7629/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7629/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7629/cgroup") = 0 [pid 287] umount2("./7629/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7629/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7629/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7629") = 0 [pid 287] mkdir("./7630", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22494 attached [pid 22494] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22494] chdir("./7630") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22083 [pid 22494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22494] setpgid(0, 0) = 0 [pid 22494] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22494] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22494] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22494] write(3, "1000", 4) = 4 [pid 22494] close(3) = 0 [pid 22494] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22494] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22494] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22494] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22495 attached [pid 22495] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22494] <... clone3 resumed> => {parent_tid=[22084]}, 88) = 22084 [pid 22495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22494] rt_sigprocmask(SIG_SETMASK, [], [pid 22495] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22494] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22495] <... futex resumed>) = 0 [pid 22494] <... futex resumed>) = 1 [pid 22495] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22494] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22495] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22495] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22494] <... futex resumed>) = 0 [pid 22495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22494] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22495] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22494] <... futex resumed>) = 0 [pid 22495] <... bpf resumed>) = 4 [pid 22494] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22495] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22494] <... futex resumed>) = 0 [pid 22495] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22494] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22495] <... bpf resumed>) = 0 [pid 22494] <... futex resumed>) = 0 [pid 22495] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22494] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22495] <... futex resumed>) = 0 [pid 22494] <... futex resumed>) = 0 [pid 22495] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22494] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22496 attached [pid 22496] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22496] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22494] <... clone3 resumed> => {parent_tid=[22085]}, 88) = 22085 [pid 22494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22494] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22496] <... futex resumed>) = 0 [pid 22494] <... futex resumed>) = 1 [pid 22496] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22494] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22496] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22496] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22494] close(3) = 0 [pid 22494] close(4) = 0 [pid 22494] close(5) = 0 [pid 22494] close(6) = -1 EBADF (Bad file descriptor) [pid 22494] close(7) = -1 EBADF (Bad file descriptor) [pid 22494] close(8) = -1 EBADF (Bad file descriptor) [pid 22494] close(9) = -1 EBADF (Bad file descriptor) [pid 22494] close(10) = -1 EBADF (Bad file descriptor) [pid 22494] close(11) = -1 EBADF (Bad file descriptor) [pid 22494] close(12) = -1 EBADF (Bad file descriptor) [pid 22494] close(13) = -1 EBADF (Bad file descriptor) [pid 22494] close(14) = -1 EBADF (Bad file descriptor) [pid 22494] close(15) = -1 EBADF (Bad file descriptor) [pid 22494] close(16) = -1 EBADF (Bad file descriptor) [pid 22494] close(17) = -1 EBADF (Bad file descriptor) [pid 22494] close(18) = -1 EBADF (Bad file descriptor) [pid 22494] close(19) = -1 EBADF (Bad file descriptor) [pid 22494] close(20) = -1 EBADF (Bad file descriptor) [pid 22494] close(21) = -1 EBADF (Bad file descriptor) [pid 22494] close(22) = -1 EBADF (Bad file descriptor) [pid 22494] close(23) = -1 EBADF (Bad file descriptor) [pid 22494] close(24) = -1 EBADF (Bad file descriptor) [pid 22494] close(25) = -1 EBADF (Bad file descriptor) [pid 22494] close(26) = -1 EBADF (Bad file descriptor) [pid 22494] close(27) = -1 EBADF (Bad file descriptor) [pid 22494] close(28) = -1 EBADF (Bad file descriptor) [pid 22494] close(29) = -1 EBADF (Bad file descriptor) [pid 22494] exit_group(0 [pid 22496] <... futex resumed>) = ? [pid 22495] <... futex resumed>) = ? [pid 22494] <... exit_group resumed>) = ? [pid 22496] +++ exited with 0 +++ [pid 22495] +++ exited with 0 +++ [pid 22494] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7630", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7630", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7630/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7630/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7630/cgroup.cpu") = 0 [pid 287] umount2("./7630/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7630/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7630/binderfs") = 0 [pid 287] umount2("./7630/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7630/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7630/cgroup") = 0 [pid 287] umount2("./7630/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7630/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7630/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7630") = 0 [pid 287] mkdir("./7631", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22086 ./strace-static-x86_64: Process 22497 attached [pid 22497] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22497] chdir("./7631") = 0 [pid 22497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22497] setpgid(0, 0) = 0 [pid 22497] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22497] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22497] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22497] write(3, "1000", 4) = 4 [pid 22497] close(3) = 0 [pid 22497] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22497] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22497] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22497] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22498 attached [pid 22498] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22498] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22497] <... clone3 resumed> => {parent_tid=[22087]}, 88) = 22087 [pid 22497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22497] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22498] <... futex resumed>) = 0 [pid 22497] <... futex resumed>) = 1 [pid 22498] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22497] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22498] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22498] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22497] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22498] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22497] <... futex resumed>) = 0 [pid 22498] <... bpf resumed>) = 4 [pid 22497] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22498] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22498] <... futex resumed>) = 0 [pid 22498] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22497] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22498] <... futex resumed>) = 0 [pid 22497] <... futex resumed>) = 1 [pid 22498] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22497] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22498] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22497] <... futex resumed>) = 0 [pid 22498] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22497] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22499 attached [pid 22499] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22499] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22497] <... clone3 resumed> => {parent_tid=[22088]}, 88) = 22088 [pid 22497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22497] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22499] <... futex resumed>) = 0 [pid 22497] <... futex resumed>) = 1 [pid 22499] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22497] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22499] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22499] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22497] close(3) = 0 [pid 22497] close(4) = 0 [pid 22497] close(5) = 0 [pid 22497] close(6) = -1 EBADF (Bad file descriptor) [pid 22497] close(7) = -1 EBADF (Bad file descriptor) [pid 22497] close(8) = -1 EBADF (Bad file descriptor) [pid 22497] close(9) = -1 EBADF (Bad file descriptor) [pid 22497] close(10) = -1 EBADF (Bad file descriptor) [pid 22497] close(11) = -1 EBADF (Bad file descriptor) [pid 22497] close(12) = -1 EBADF (Bad file descriptor) [pid 22497] close(13) = -1 EBADF (Bad file descriptor) [pid 22497] close(14) = -1 EBADF (Bad file descriptor) [pid 22497] close(15) = -1 EBADF (Bad file descriptor) [pid 22497] close(16) = -1 EBADF (Bad file descriptor) [pid 22497] close(17) = -1 EBADF (Bad file descriptor) [pid 22497] close(18) = -1 EBADF (Bad file descriptor) [pid 22497] close(19) = -1 EBADF (Bad file descriptor) [pid 22497] close(20) = -1 EBADF (Bad file descriptor) [pid 22497] close(21) = -1 EBADF (Bad file descriptor) [pid 22497] close(22) = -1 EBADF (Bad file descriptor) [pid 22497] close(23) = -1 EBADF (Bad file descriptor) [pid 22497] close(24) = -1 EBADF (Bad file descriptor) [pid 22497] close(25) = -1 EBADF (Bad file descriptor) [pid 22497] close(26) = -1 EBADF (Bad file descriptor) [pid 22497] close(27) = -1 EBADF (Bad file descriptor) [pid 22497] close(28) = -1 EBADF (Bad file descriptor) [pid 22497] close(29) = -1 EBADF (Bad file descriptor) [pid 22497] exit_group(0 [pid 22499] <... futex resumed>) = ? [pid 22498] <... futex resumed>) = ? [pid 22497] <... exit_group resumed>) = ? [pid 22499] +++ exited with 0 +++ [pid 22498] +++ exited with 0 +++ [pid 22497] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7631", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7631", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7631/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7631/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7631/cgroup.cpu") = 0 [pid 287] umount2("./7631/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7631/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7631/binderfs") = 0 [pid 287] umount2("./7631/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7631/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7631/cgroup") = 0 [pid 287] umount2("./7631/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7631/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7631/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7631") = 0 [pid 287] mkdir("./7632", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22500 attached , child_tidptr=0x555555ae1690) = 22089 [pid 22500] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22500] chdir("./7632") = 0 [pid 22500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22500] setpgid(0, 0) = 0 [pid 22500] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22500] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22500] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22500] write(3, "1000", 4) = 4 [pid 22500] close(3) = 0 [pid 22500] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22500] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22500] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22500] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22501 attached [pid 22501] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22500] <... clone3 resumed> => {parent_tid=[22090]}, 88) = 22090 [pid 22501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22500] rt_sigprocmask(SIG_SETMASK, [], [pid 22501] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22500] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22501] <... futex resumed>) = 0 [pid 22500] <... futex resumed>) = 1 [pid 22501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22500] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22501] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22501] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22500] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22500] <... futex resumed>) = 0 [pid 22501] <... bpf resumed>) = 4 [pid 22501] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22501] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22500] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22500] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22501] <... futex resumed>) = 0 [pid 22500] <... futex resumed>) = 1 [pid 22501] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22500] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22501] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22501] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22500] <... futex resumed>) = 0 [pid 22500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22500] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22502 attached [pid 22502] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22502] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22500] <... clone3 resumed> => {parent_tid=[22091]}, 88) = 22091 [pid 22500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22500] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22502] <... futex resumed>) = 0 [pid 22500] <... futex resumed>) = 1 [pid 22502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22500] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22502] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22502] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22500] close(3) = 0 [pid 22500] close(4) = 0 [pid 22500] close(5) = 0 [pid 22500] close(6) = -1 EBADF (Bad file descriptor) [pid 22500] close(7) = -1 EBADF (Bad file descriptor) [pid 22500] close(8) = -1 EBADF (Bad file descriptor) [pid 22500] close(9) = -1 EBADF (Bad file descriptor) [pid 22500] close(10) = -1 EBADF (Bad file descriptor) [pid 22500] close(11) = -1 EBADF (Bad file descriptor) [pid 22500] close(12) = -1 EBADF (Bad file descriptor) [pid 22500] close(13) = -1 EBADF (Bad file descriptor) [pid 22500] close(14) = -1 EBADF (Bad file descriptor) [pid 22500] close(15) = -1 EBADF (Bad file descriptor) [pid 22500] close(16) = -1 EBADF (Bad file descriptor) [pid 22500] close(17) = -1 EBADF (Bad file descriptor) [pid 22500] close(18) = -1 EBADF (Bad file descriptor) [pid 22500] close(19) = -1 EBADF (Bad file descriptor) [pid 22500] close(20) = -1 EBADF (Bad file descriptor) [pid 22500] close(21) = -1 EBADF (Bad file descriptor) [pid 22500] close(22) = -1 EBADF (Bad file descriptor) [pid 22500] close(23) = -1 EBADF (Bad file descriptor) [pid 22500] close(24) = -1 EBADF (Bad file descriptor) [pid 22500] close(25) = -1 EBADF (Bad file descriptor) [pid 22500] close(26) = -1 EBADF (Bad file descriptor) [pid 22500] close(27) = -1 EBADF (Bad file descriptor) [pid 22500] close(28) = -1 EBADF (Bad file descriptor) [pid 22500] close(29) = -1 EBADF (Bad file descriptor) [pid 22500] exit_group(0 [pid 22502] <... futex resumed>) = ? [pid 22501] <... futex resumed>) = ? [pid 22500] <... exit_group resumed>) = ? [pid 22502] +++ exited with 0 +++ [pid 22501] +++ exited with 0 +++ [pid 22500] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7632", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7632", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7632/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7632/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7632/cgroup.cpu") = 0 [pid 287] umount2("./7632/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7632/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7632/binderfs") = 0 [pid 287] umount2("./7632/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7632/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7632/cgroup") = 0 [pid 287] umount2("./7632/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7632/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7632/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7632") = 0 [pid 287] mkdir("./7633", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22092 ./strace-static-x86_64: Process 22504 attached [pid 22504] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22504] chdir("./7633") = 0 [pid 22504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22504] setpgid(0, 0) = 0 [pid 22504] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22504] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22504] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22504] write(3, "1000", 4) = 4 [pid 22504] close(3) = 0 [pid 22504] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22504] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22504] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22504] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22505 attached [pid 22505] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22505] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22504] <... clone3 resumed> => {parent_tid=[22093]}, 88) = 22093 [pid 22504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22504] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22505] <... futex resumed>) = 0 [pid 22504] <... futex resumed>) = 1 [pid 22505] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22504] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22505] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22505] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22504] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22505] <... futex resumed>) = 0 [pid 22504] <... futex resumed>) = 1 [pid 22505] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22504] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22505] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22505] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22504] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22505] <... futex resumed>) = 0 [pid 22504] <... futex resumed>) = 1 [pid 22505] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22505] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22504] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22505] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22504] <... futex resumed>) = 0 [pid 22504] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22505] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22504] <... futex resumed>) = 0 [pid 22505] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22504] close(3) = 0 [pid 22504] close(4) = 0 [pid 22504] close(5) = 0 [pid 22504] close(6) = -1 EBADF (Bad file descriptor) [pid 22504] close(7) = -1 EBADF (Bad file descriptor) [pid 22504] close(8) = -1 EBADF (Bad file descriptor) [pid 22504] close(9) = -1 EBADF (Bad file descriptor) [pid 22504] close(10) = -1 EBADF (Bad file descriptor) [pid 22504] close(11) = -1 EBADF (Bad file descriptor) [pid 22504] close(12) = -1 EBADF (Bad file descriptor) [pid 22504] close(13) = -1 EBADF (Bad file descriptor) [pid 22504] close(14) = -1 EBADF (Bad file descriptor) [pid 22504] close(15) = -1 EBADF (Bad file descriptor) [pid 22504] close(16) = -1 EBADF (Bad file descriptor) [pid 22504] close(17) = -1 EBADF (Bad file descriptor) [pid 22504] close(18) = -1 EBADF (Bad file descriptor) [pid 22504] close(19) = -1 EBADF (Bad file descriptor) [pid 22504] close(20) = -1 EBADF (Bad file descriptor) [pid 22504] close(21) = -1 EBADF (Bad file descriptor) [pid 22504] close(22) = -1 EBADF (Bad file descriptor) [pid 22504] close(23) = -1 EBADF (Bad file descriptor) [pid 22504] close(24) = -1 EBADF (Bad file descriptor) [pid 22504] close(25) = -1 EBADF (Bad file descriptor) [pid 22504] close(26) = -1 EBADF (Bad file descriptor) [pid 22504] close(27) = -1 EBADF (Bad file descriptor) [pid 22504] close(28) = -1 EBADF (Bad file descriptor) [pid 22504] close(29) = -1 EBADF (Bad file descriptor) [pid 22504] exit_group(0 [pid 22505] <... futex resumed>) = ? [pid 22504] <... exit_group resumed>) = ? [pid 22505] +++ exited with 0 +++ [pid 22504] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7633", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7633", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7633/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7633/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7633/cgroup.cpu") = 0 [pid 287] umount2("./7633/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7633/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7633/binderfs") = 0 [pid 287] umount2("./7633/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7633/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7633/cgroup") = 0 [pid 287] umount2("./7633/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7633/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7633/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7633") = 0 [pid 287] mkdir("./7634", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22506 attached [pid 22506] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22506] chdir("./7634") = 0 [pid 22506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22094 [pid 22506] <... prctl resumed>) = 0 [pid 22506] setpgid(0, 0) = 0 [pid 22506] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22506] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22506] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22506] write(3, "1000", 4) = 4 [pid 22506] close(3) = 0 [pid 22506] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22506] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22506] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22506] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22507 attached [pid 22507] set_robust_list(0x7f3b956fb9a0, 24 [pid 22506] <... clone3 resumed> => {parent_tid=[22095]}, 88) = 22095 [pid 22507] <... set_robust_list resumed>) = 0 [pid 22506] rt_sigprocmask(SIG_SETMASK, [], [pid 22507] rt_sigprocmask(SIG_SETMASK, [], [pid 22506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22506] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22507] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22506] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22507] <... bpf resumed>) = 3 [pid 22507] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22506] <... futex resumed>) = 0 [pid 22506] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22507] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22506] <... futex resumed>) = 0 [pid 22506] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22507] <... bpf resumed>) = 4 [pid 22507] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22506] <... futex resumed>) = 0 [pid 22507] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22506] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22506] <... futex resumed>) = 0 [pid 22506] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22507] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22506] <... mmap resumed>) = 0x7f3b956ba000 [pid 22507] <... bpf resumed>) = 0 [pid 22506] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22507] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22506] <... mprotect resumed>) = 0 [pid 22507] <... futex resumed>) = 0 [pid 22506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22507] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22096]}, 88) = 22096 ./strace-static-x86_64: Process 22508 attached [pid 22508] set_robust_list(0x7f3b956da9a0, 24 [pid 22506] rt_sigprocmask(SIG_SETMASK, [], [pid 22508] <... set_robust_list resumed>) = 0 [pid 22508] rt_sigprocmask(SIG_SETMASK, [], [pid 22506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22508] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22506] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22508] <... futex resumed>) = 0 [pid 22506] <... futex resumed>) = 1 [pid 22508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22506] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22508] <... bpf resumed>) = 5 [pid 22508] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22506] <... futex resumed>) = 0 [pid 22508] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22506] close(3) = 0 [pid 22506] close(4) = 0 [pid 22506] close(5) = 0 [pid 22506] close(6) = -1 EBADF (Bad file descriptor) [pid 22506] close(7) = -1 EBADF (Bad file descriptor) [pid 22506] close(8) = -1 EBADF (Bad file descriptor) [pid 22506] close(9) = -1 EBADF (Bad file descriptor) [pid 22506] close(10) = -1 EBADF (Bad file descriptor) [pid 22506] close(11) = -1 EBADF (Bad file descriptor) [pid 22506] close(12) = -1 EBADF (Bad file descriptor) [pid 22506] close(13) = -1 EBADF (Bad file descriptor) [pid 22506] close(14) = -1 EBADF (Bad file descriptor) [pid 22506] close(15) = -1 EBADF (Bad file descriptor) [pid 22506] close(16) = -1 EBADF (Bad file descriptor) [pid 22506] close(17) = -1 EBADF (Bad file descriptor) [pid 22506] close(18) = -1 EBADF (Bad file descriptor) [pid 22506] close(19) = -1 EBADF (Bad file descriptor) [pid 22506] close(20) = -1 EBADF (Bad file descriptor) [pid 22506] close(21) = -1 EBADF (Bad file descriptor) [pid 22506] close(22) = -1 EBADF (Bad file descriptor) [pid 22506] close(23) = -1 EBADF (Bad file descriptor) [pid 22506] close(24) = -1 EBADF (Bad file descriptor) [pid 22506] close(25) = -1 EBADF (Bad file descriptor) [pid 22506] close(26) = -1 EBADF (Bad file descriptor) [pid 22506] close(27) = -1 EBADF (Bad file descriptor) [pid 22506] close(28) = -1 EBADF (Bad file descriptor) [pid 22506] close(29) = -1 EBADF (Bad file descriptor) [pid 22506] exit_group(0 [pid 22508] <... futex resumed>) = ? [pid 22506] <... exit_group resumed>) = ? [pid 22508] +++ exited with 0 +++ [pid 22507] <... futex resumed>) = ? [pid 22507] +++ exited with 0 +++ [pid 22506] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7634", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7634", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7634/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7634/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7634/cgroup.cpu") = 0 [pid 287] umount2("./7634/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7634/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7634/binderfs") = 0 [pid 287] umount2("./7634/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7634/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7634/cgroup") = 0 [pid 287] umount2("./7634/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7634/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7634/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7634") = 0 [pid 287] mkdir("./7635", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22509 attached [pid 22509] set_robust_list(0x555555ae16a0, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22097 [pid 22509] <... set_robust_list resumed>) = 0 [pid 22509] chdir("./7635") = 0 [pid 22509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22509] setpgid(0, 0) = 0 [pid 22509] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22509] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22509] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22509] write(3, "1000", 4) = 4 [pid 22509] close(3) = 0 [pid 22509] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22509] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22509] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22509] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22510 attached => {parent_tid=[22098]}, 88) = 22098 [pid 22509] rt_sigprocmask(SIG_SETMASK, [], [pid 22510] set_robust_list(0x7f3b956fb9a0, 24 [pid 22509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22510] <... set_robust_list resumed>) = 0 [pid 22509] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22510] rt_sigprocmask(SIG_SETMASK, [], [pid 22509] <... futex resumed>) = 0 [pid 22510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22509] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22510] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22510] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22509] <... futex resumed>) = 0 [pid 22510] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22509] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22509] <... futex resumed>) = 0 [pid 22510] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22509] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22510] <... bpf resumed>) = 4 [pid 22510] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22509] <... futex resumed>) = 0 [pid 22510] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22509] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22509] <... futex resumed>) = 0 [pid 22510] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22509] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22509] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22510] <... bpf resumed>) = 0 [pid 22509] <... mprotect resumed>) = 0 [pid 22510] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22509] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22510] <... futex resumed>) = 0 [pid 22509] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22510] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22511 attached [pid 22511] set_robust_list(0x7f3b956da9a0, 24 [pid 22509] <... clone3 resumed> => {parent_tid=[22099]}, 88) = 22099 [pid 22511] <... set_robust_list resumed>) = 0 [pid 22509] rt_sigprocmask(SIG_SETMASK, [], [pid 22511] rt_sigprocmask(SIG_SETMASK, [], [pid 22509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22509] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22511] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22509] <... futex resumed>) = 0 [pid 22511] <... bpf resumed>) = 5 [pid 22509] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22511] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22511] <... futex resumed>) = 0 [pid 22509] close(3 [pid 22511] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22509] <... close resumed>) = 0 [pid 22509] close(4) = 0 [pid 22509] close(5) = 0 [pid 22509] close(6) = -1 EBADF (Bad file descriptor) [pid 22509] close(7) = -1 EBADF (Bad file descriptor) [pid 22509] close(8) = -1 EBADF (Bad file descriptor) [pid 22509] close(9) = -1 EBADF (Bad file descriptor) [pid 22509] close(10) = -1 EBADF (Bad file descriptor) [pid 22509] close(11) = -1 EBADF (Bad file descriptor) [pid 22509] close(12) = -1 EBADF (Bad file descriptor) [pid 22509] close(13) = -1 EBADF (Bad file descriptor) [pid 22509] close(14) = -1 EBADF (Bad file descriptor) [pid 22509] close(15) = -1 EBADF (Bad file descriptor) [pid 22509] close(16) = -1 EBADF (Bad file descriptor) [pid 22509] close(17) = -1 EBADF (Bad file descriptor) [pid 22509] close(18) = -1 EBADF (Bad file descriptor) [pid 22509] close(19) = -1 EBADF (Bad file descriptor) [pid 22509] close(20) = -1 EBADF (Bad file descriptor) [pid 22509] close(21) = -1 EBADF (Bad file descriptor) [pid 22509] close(22) = -1 EBADF (Bad file descriptor) [pid 22509] close(23) = -1 EBADF (Bad file descriptor) [pid 22509] close(24) = -1 EBADF (Bad file descriptor) [pid 22509] close(25) = -1 EBADF (Bad file descriptor) [pid 22509] close(26) = -1 EBADF (Bad file descriptor) [pid 22509] close(27) = -1 EBADF (Bad file descriptor) [pid 22509] close(28) = -1 EBADF (Bad file descriptor) [pid 22509] close(29) = -1 EBADF (Bad file descriptor) [pid 22509] exit_group(0 [pid 22511] <... futex resumed>) = ? [pid 22510] <... futex resumed>) = ? [pid 22509] <... exit_group resumed>) = ? [pid 22511] +++ exited with 0 +++ [pid 22510] +++ exited with 0 +++ [pid 22509] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7635", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7635", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7635/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7635/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7635/cgroup.cpu") = 0 [pid 287] umount2("./7635/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7635/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7635/binderfs") = 0 [pid 287] umount2("./7635/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7635/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7635/cgroup") = 0 [pid 287] umount2("./7635/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7635/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7635/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7635") = 0 [pid 287] mkdir("./7636", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22512 attached [pid 22512] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22512] chdir("./7636") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22100 [pid 22512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22512] setpgid(0, 0) = 0 [pid 22512] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22512] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22512] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22512] write(3, "1000", 4) = 4 [pid 22512] close(3) = 0 [pid 22512] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22512] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22512] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22512] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22513 attached [pid 22513] set_robust_list(0x7f3b956fb9a0, 24 [pid 22512] <... clone3 resumed> => {parent_tid=[22101]}, 88) = 22101 [pid 22513] <... set_robust_list resumed>) = 0 [pid 22512] rt_sigprocmask(SIG_SETMASK, [], [pid 22513] rt_sigprocmask(SIG_SETMASK, [], [pid 22512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22512] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22513] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22512] <... futex resumed>) = 0 [pid 22513] <... bpf resumed>) = 3 [pid 22512] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22513] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22513] <... futex resumed>) = 0 [pid 22512] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22513] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22512] <... futex resumed>) = 0 [pid 22513] <... bpf resumed>) = 4 [pid 22512] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22513] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22513] <... futex resumed>) = 0 [pid 22512] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22513] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22512] <... futex resumed>) = 0 [pid 22513] <... bpf resumed>) = 0 [pid 22512] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22513] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22512] <... futex resumed>) = 0 [pid 22513] <... futex resumed>) = 0 [pid 22512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22513] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22512] <... mmap resumed>) = 0x7f3b956ba000 [pid 22512] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22514 attached => {parent_tid=[22102]}, 88) = 22102 [pid 22512] rt_sigprocmask(SIG_SETMASK, [], [pid 22514] set_robust_list(0x7f3b956da9a0, 24 [pid 22512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22514] <... set_robust_list resumed>) = 0 [pid 22512] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22514] rt_sigprocmask(SIG_SETMASK, [], [pid 22512] <... futex resumed>) = 0 [pid 22514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22512] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22514] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22514] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22512] <... futex resumed>) = 0 [pid 22512] close(3 [pid 22514] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22512] <... close resumed>) = 0 [pid 22512] close(4) = 0 [pid 22512] close(5) = 0 [pid 22512] close(6) = -1 EBADF (Bad file descriptor) [pid 22512] close(7) = -1 EBADF (Bad file descriptor) [pid 22512] close(8) = -1 EBADF (Bad file descriptor) [pid 22512] close(9) = -1 EBADF (Bad file descriptor) [pid 22512] close(10) = -1 EBADF (Bad file descriptor) [pid 22512] close(11) = -1 EBADF (Bad file descriptor) [pid 22512] close(12) = -1 EBADF (Bad file descriptor) [pid 22512] close(13) = -1 EBADF (Bad file descriptor) [pid 22512] close(14) = -1 EBADF (Bad file descriptor) [pid 22512] close(15) = -1 EBADF (Bad file descriptor) [pid 22512] close(16) = -1 EBADF (Bad file descriptor) [pid 22512] close(17) = -1 EBADF (Bad file descriptor) [pid 22512] close(18) = -1 EBADF (Bad file descriptor) [pid 22512] close(19) = -1 EBADF (Bad file descriptor) [pid 22512] close(20) = -1 EBADF (Bad file descriptor) [pid 22512] close(21) = -1 EBADF (Bad file descriptor) [pid 22512] close(22) = -1 EBADF (Bad file descriptor) [pid 22512] close(23) = -1 EBADF (Bad file descriptor) [pid 22512] close(24) = -1 EBADF (Bad file descriptor) [pid 22512] close(25) = -1 EBADF (Bad file descriptor) [pid 22512] close(26) = -1 EBADF (Bad file descriptor) [pid 22512] close(27) = -1 EBADF (Bad file descriptor) [pid 22512] close(28) = -1 EBADF (Bad file descriptor) [pid 22512] close(29) = -1 EBADF (Bad file descriptor) [pid 22512] exit_group(0 [pid 22514] <... futex resumed>) = ? [pid 22513] <... futex resumed>) = ? [pid 22512] <... exit_group resumed>) = ? [pid 22514] +++ exited with 0 +++ [pid 22513] +++ exited with 0 +++ [pid 22512] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7636", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7636", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7636/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7636/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7636/cgroup.cpu") = 0 [pid 287] umount2("./7636/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7636/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7636/binderfs") = 0 [pid 287] umount2("./7636/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7636/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7636/cgroup") = 0 [pid 287] umount2("./7636/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7636/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7636/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7636") = 0 [pid 287] mkdir("./7637", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22515 attached [pid 22515] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22103 [pid 22515] chdir("./7637") = 0 [pid 22515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22515] setpgid(0, 0) = 0 [pid 22515] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22515] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22515] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22515] write(3, "1000", 4) = 4 [pid 22515] close(3) = 0 [pid 22515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22515] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22515] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22515] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22516 attached => {parent_tid=[22104]}, 88) = 22104 [pid 22516] set_robust_list(0x7f3b956fb9a0, 24 [pid 22515] rt_sigprocmask(SIG_SETMASK, [], [pid 22516] <... set_robust_list resumed>) = 0 [pid 22515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22516] rt_sigprocmask(SIG_SETMASK, [], [pid 22515] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22515] <... futex resumed>) = 0 [pid 22515] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22516] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22516] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22515] <... futex resumed>) = 0 [pid 22516] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22515] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22515] <... futex resumed>) = 0 [pid 22516] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22515] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22516] <... bpf resumed>) = 4 [pid 22516] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22515] <... futex resumed>) = 0 [pid 22516] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22515] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22515] <... futex resumed>) = 0 [pid 22516] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22515] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22516] <... bpf resumed>) = 0 [pid 22515] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22516] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22515] <... mprotect resumed>) = 0 [pid 22516] <... futex resumed>) = 0 [pid 22515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22516] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22517 attached [pid 22517] set_robust_list(0x7f3b956da9a0, 24 [pid 22515] <... clone3 resumed> => {parent_tid=[22105]}, 88) = 22105 [pid 22517] <... set_robust_list resumed>) = 0 [pid 22517] rt_sigprocmask(SIG_SETMASK, [], [pid 22515] rt_sigprocmask(SIG_SETMASK, [], [pid 22517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22517] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22515] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22517] <... futex resumed>) = 0 [pid 22515] <... futex resumed>) = 1 [pid 22517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22515] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22517] <... bpf resumed>) = 5 [pid 22517] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22515] <... futex resumed>) = 0 [pid 22517] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22515] close(3) = 0 [pid 22515] close(4) = 0 [pid 22515] close(5) = 0 [pid 22515] close(6) = -1 EBADF (Bad file descriptor) [pid 22515] close(7) = -1 EBADF (Bad file descriptor) [pid 22515] close(8) = -1 EBADF (Bad file descriptor) [pid 22515] close(9) = -1 EBADF (Bad file descriptor) [pid 22515] close(10) = -1 EBADF (Bad file descriptor) [pid 22515] close(11) = -1 EBADF (Bad file descriptor) [pid 22515] close(12) = -1 EBADF (Bad file descriptor) [pid 22515] close(13) = -1 EBADF (Bad file descriptor) [pid 22515] close(14) = -1 EBADF (Bad file descriptor) [pid 22515] close(15) = -1 EBADF (Bad file descriptor) [pid 22515] close(16) = -1 EBADF (Bad file descriptor) [pid 22515] close(17) = -1 EBADF (Bad file descriptor) [pid 22515] close(18) = -1 EBADF (Bad file descriptor) [pid 22515] close(19) = -1 EBADF (Bad file descriptor) [pid 22515] close(20) = -1 EBADF (Bad file descriptor) [pid 22515] close(21) = -1 EBADF (Bad file descriptor) [pid 22515] close(22) = -1 EBADF (Bad file descriptor) [pid 22515] close(23) = -1 EBADF (Bad file descriptor) [pid 22515] close(24) = -1 EBADF (Bad file descriptor) [pid 22515] close(25) = -1 EBADF (Bad file descriptor) [pid 22515] close(26) = -1 EBADF (Bad file descriptor) [pid 22515] close(27) = -1 EBADF (Bad file descriptor) [pid 22515] close(28) = -1 EBADF (Bad file descriptor) [pid 22515] close(29) = -1 EBADF (Bad file descriptor) [pid 22515] exit_group(0 [pid 22517] <... futex resumed>) = ? [pid 22516] <... futex resumed>) = ? [pid 22515] <... exit_group resumed>) = ? [pid 22517] +++ exited with 0 +++ [pid 22516] +++ exited with 0 +++ [pid 22515] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7637", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7637", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7637/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7637/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7637/cgroup.cpu") = 0 [pid 287] umount2("./7637/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7637/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7637/binderfs") = 0 [pid 287] umount2("./7637/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7637/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7637/cgroup") = 0 [pid 287] umount2("./7637/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7637/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7637/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7637") = 0 [pid 287] mkdir("./7638", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22518 attached [pid 22518] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22518] chdir("./7638" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22106 [pid 22518] <... chdir resumed>) = 0 [pid 22518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22518] setpgid(0, 0) = 0 [pid 22518] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22518] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22518] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22518] write(3, "1000", 4) = 4 [pid 22518] close(3) = 0 [pid 22518] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22518] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22518] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22518] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22519 attached [pid 22519] set_robust_list(0x7f3b956fb9a0, 24 [pid 22518] <... clone3 resumed> => {parent_tid=[22107]}, 88) = 22107 [pid 22519] <... set_robust_list resumed>) = 0 [pid 22518] rt_sigprocmask(SIG_SETMASK, [], [pid 22519] rt_sigprocmask(SIG_SETMASK, [], [pid 22518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22518] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22519] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22518] <... futex resumed>) = 0 [pid 22519] <... bpf resumed>) = 3 [pid 22518] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22519] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22519] <... futex resumed>) = 0 [pid 22518] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22519] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22518] <... futex resumed>) = 0 [pid 22519] <... bpf resumed>) = 4 [pid 22518] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22519] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22519] <... futex resumed>) = 0 [pid 22518] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22519] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22518] <... futex resumed>) = 0 [pid 22519] <... bpf resumed>) = 0 [pid 22518] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22519] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22518] <... futex resumed>) = 0 [pid 22519] <... futex resumed>) = 0 [pid 22518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22519] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22518] <... mmap resumed>) = 0x7f3b956ba000 [pid 22518] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22108]}, 88) = 22108 [pid 22518] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 22520 attached NULL, 8) = 0 [pid 22520] set_robust_list(0x7f3b956da9a0, 24 [pid 22518] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22520] <... set_robust_list resumed>) = 0 [pid 22518] <... futex resumed>) = 0 [pid 22520] rt_sigprocmask(SIG_SETMASK, [], [pid 22518] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22520] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22520] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22518] <... futex resumed>) = 0 [pid 22520] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22518] close(3) = 0 [pid 22518] close(4) = 0 [pid 22518] close(5) = 0 [pid 22518] close(6) = -1 EBADF (Bad file descriptor) [pid 22518] close(7) = -1 EBADF (Bad file descriptor) [pid 22518] close(8) = -1 EBADF (Bad file descriptor) [pid 22518] close(9) = -1 EBADF (Bad file descriptor) [pid 22518] close(10) = -1 EBADF (Bad file descriptor) [pid 22518] close(11) = -1 EBADF (Bad file descriptor) [pid 22518] close(12) = -1 EBADF (Bad file descriptor) [pid 22518] close(13) = -1 EBADF (Bad file descriptor) [pid 22518] close(14) = -1 EBADF (Bad file descriptor) [pid 22518] close(15) = -1 EBADF (Bad file descriptor) [pid 22518] close(16) = -1 EBADF (Bad file descriptor) [pid 22518] close(17) = -1 EBADF (Bad file descriptor) [pid 22518] close(18) = -1 EBADF (Bad file descriptor) [pid 22518] close(19) = -1 EBADF (Bad file descriptor) [pid 22518] close(20) = -1 EBADF (Bad file descriptor) [pid 22518] close(21) = -1 EBADF (Bad file descriptor) [pid 22518] close(22) = -1 EBADF (Bad file descriptor) [pid 22518] close(23) = -1 EBADF (Bad file descriptor) [pid 22518] close(24) = -1 EBADF (Bad file descriptor) [pid 22518] close(25) = -1 EBADF (Bad file descriptor) [pid 22518] close(26) = -1 EBADF (Bad file descriptor) [pid 22518] close(27) = -1 EBADF (Bad file descriptor) [pid 22518] close(28) = -1 EBADF (Bad file descriptor) [pid 22518] close(29) = -1 EBADF (Bad file descriptor) [pid 22518] exit_group(0 [pid 22520] <... futex resumed>) = ? [pid 22519] <... futex resumed>) = ? [pid 22518] <... exit_group resumed>) = ? [pid 22520] +++ exited with 0 +++ [pid 22519] +++ exited with 0 +++ [pid 22518] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7638", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7638", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7638/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7638/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7638/cgroup.cpu") = 0 [pid 287] umount2("./7638/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7638/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7638/binderfs") = 0 [pid 287] umount2("./7638/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7638/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7638/cgroup") = 0 [pid 287] umount2("./7638/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7638/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7638/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7638") = 0 [pid 287] mkdir("./7639", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22521 attached [pid 22521] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22109 [pid 22521] chdir("./7639") = 0 [pid 22521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22521] setpgid(0, 0) = 0 [pid 22521] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22521] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22521] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22521] write(3, "1000", 4) = 4 [pid 22521] close(3) = 0 [pid 22521] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22521] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22521] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22521] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22522 attached [pid 22522] set_robust_list(0x7f3b956fb9a0, 24 [pid 22521] <... clone3 resumed> => {parent_tid=[22110]}, 88) = 22110 [pid 22522] <... set_robust_list resumed>) = 0 [pid 22521] rt_sigprocmask(SIG_SETMASK, [], [pid 22522] rt_sigprocmask(SIG_SETMASK, [], [pid 22521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22521] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22522] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22521] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22522] <... bpf resumed>) = 3 [pid 22522] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22521] <... futex resumed>) = 0 [pid 22522] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22521] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22522] <... bpf resumed>) = 4 [pid 22521] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22522] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22521] <... futex resumed>) = 0 [pid 22522] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22521] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22521] <... futex resumed>) = 0 [pid 22522] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22521] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22522] <... bpf resumed>) = 0 [pid 22521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22522] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22521] <... mmap resumed>) = 0x7f3b956ba000 [pid 22522] <... futex resumed>) = 0 [pid 22521] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22522] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22521] <... mprotect resumed>) = 0 [pid 22521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22523 attached [pid 22523] set_robust_list(0x7f3b956da9a0, 24 [pid 22521] <... clone3 resumed> => {parent_tid=[22111]}, 88) = 22111 [pid 22523] <... set_robust_list resumed>) = 0 [pid 22521] rt_sigprocmask(SIG_SETMASK, [], [pid 22523] rt_sigprocmask(SIG_SETMASK, [], [pid 22521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22521] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22523] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22521] <... futex resumed>) = 0 [pid 22521] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22523] <... bpf resumed>) = 5 [pid 22523] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22521] <... futex resumed>) = 0 [pid 22523] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22521] close(3) = 0 [pid 22521] close(4) = 0 [pid 22521] close(5) = 0 [pid 22521] close(6) = -1 EBADF (Bad file descriptor) [pid 22521] close(7) = -1 EBADF (Bad file descriptor) [pid 22521] close(8) = -1 EBADF (Bad file descriptor) [pid 22521] close(9) = -1 EBADF (Bad file descriptor) [pid 22521] close(10) = -1 EBADF (Bad file descriptor) [pid 22521] close(11) = -1 EBADF (Bad file descriptor) [pid 22521] close(12) = -1 EBADF (Bad file descriptor) [pid 22521] close(13) = -1 EBADF (Bad file descriptor) [pid 22521] close(14) = -1 EBADF (Bad file descriptor) [pid 22521] close(15) = -1 EBADF (Bad file descriptor) [pid 22521] close(16) = -1 EBADF (Bad file descriptor) [pid 22521] close(17) = -1 EBADF (Bad file descriptor) [pid 22521] close(18) = -1 EBADF (Bad file descriptor) [pid 22521] close(19) = -1 EBADF (Bad file descriptor) [pid 22521] close(20) = -1 EBADF (Bad file descriptor) [pid 22521] close(21) = -1 EBADF (Bad file descriptor) [pid 22521] close(22) = -1 EBADF (Bad file descriptor) [pid 22521] close(23) = -1 EBADF (Bad file descriptor) [pid 22521] close(24) = -1 EBADF (Bad file descriptor) [pid 22521] close(25) = -1 EBADF (Bad file descriptor) [pid 22521] close(26) = -1 EBADF (Bad file descriptor) [pid 22521] close(27) = -1 EBADF (Bad file descriptor) [pid 22521] close(28) = -1 EBADF (Bad file descriptor) [pid 22521] close(29) = -1 EBADF (Bad file descriptor) [pid 22521] exit_group(0 [pid 22522] <... futex resumed>) = ? [pid 22521] <... exit_group resumed>) = ? [pid 22523] <... futex resumed>) = ? [pid 22522] +++ exited with 0 +++ [pid 22523] +++ exited with 0 +++ [pid 22521] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7639", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7639", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7639/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7639/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7639/cgroup.cpu") = 0 [pid 287] umount2("./7639/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7639/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7639/binderfs") = 0 [pid 287] umount2("./7639/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7639/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7639/cgroup") = 0 [pid 287] umount2("./7639/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7639/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7639/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7639") = 0 [pid 287] mkdir("./7640", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22112 ./strace-static-x86_64: Process 22524 attached [pid 22524] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22524] chdir("./7640") = 0 [pid 22524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22524] setpgid(0, 0) = 0 [pid 22524] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22524] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22524] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22524] write(3, "1000", 4) = 4 [pid 22524] close(3) = 0 [pid 22524] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22524] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22524] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22524] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22525 attached [pid 22525] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22524] <... clone3 resumed> => {parent_tid=[22113]}, 88) = 22113 [pid 22525] rt_sigprocmask(SIG_SETMASK, [], [pid 22524] rt_sigprocmask(SIG_SETMASK, [], [pid 22525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22525] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22524] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22525] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22524] <... futex resumed>) = 0 [pid 22525] <... bpf resumed>) = 3 [pid 22525] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22524] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22525] <... futex resumed>) = 0 [pid 22525] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22524] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22525] <... futex resumed>) = 0 [pid 22524] <... futex resumed>) = 1 [pid 22525] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22524] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22525] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22525] <... futex resumed>) = 0 [pid 22524] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22525] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22524] <... futex resumed>) = 0 [pid 22525] <... bpf resumed>) = 0 [pid 22525] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22524] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22525] <... futex resumed>) = 0 [pid 22525] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22524] <... futex resumed>) = 0 [pid 22524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22524] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22526 attached [pid 22526] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22526] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22524] <... clone3 resumed> => {parent_tid=[22114]}, 88) = 22114 [pid 22524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22524] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22526] <... futex resumed>) = 0 [pid 22524] <... futex resumed>) = 1 [pid 22526] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22524] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22526] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22526] <... futex resumed>) = 0 [pid 22526] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22524] close(3) = 0 [pid 22524] close(4) = 0 [pid 22524] close(5) = 0 [pid 22524] close(6) = -1 EBADF (Bad file descriptor) [pid 22524] close(7) = -1 EBADF (Bad file descriptor) [pid 22524] close(8) = -1 EBADF (Bad file descriptor) [pid 22524] close(9) = -1 EBADF (Bad file descriptor) [pid 22524] close(10) = -1 EBADF (Bad file descriptor) [pid 22524] close(11) = -1 EBADF (Bad file descriptor) [pid 22524] close(12) = -1 EBADF (Bad file descriptor) [pid 22524] close(13) = -1 EBADF (Bad file descriptor) [pid 22524] close(14) = -1 EBADF (Bad file descriptor) [pid 22524] close(15) = -1 EBADF (Bad file descriptor) [pid 22524] close(16) = -1 EBADF (Bad file descriptor) [pid 22524] close(17) = -1 EBADF (Bad file descriptor) [pid 22524] close(18) = -1 EBADF (Bad file descriptor) [pid 22524] close(19) = -1 EBADF (Bad file descriptor) [pid 22524] close(20) = -1 EBADF (Bad file descriptor) [pid 22524] close(21) = -1 EBADF (Bad file descriptor) [pid 22524] close(22) = -1 EBADF (Bad file descriptor) [pid 22524] close(23) = -1 EBADF (Bad file descriptor) [pid 22524] close(24) = -1 EBADF (Bad file descriptor) [pid 22524] close(25) = -1 EBADF (Bad file descriptor) [pid 22524] close(26) = -1 EBADF (Bad file descriptor) [pid 22524] close(27) = -1 EBADF (Bad file descriptor) [pid 22524] close(28) = -1 EBADF (Bad file descriptor) [pid 22524] close(29) = -1 EBADF (Bad file descriptor) [pid 22524] exit_group(0 [pid 22526] <... futex resumed>) = ? [pid 22525] <... futex resumed>) = ? [pid 22524] <... exit_group resumed>) = ? [pid 22526] +++ exited with 0 +++ [pid 22525] +++ exited with 0 +++ [pid 22524] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7640", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7640", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7640/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7640/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7640/cgroup.cpu") = 0 [pid 287] umount2("./7640/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7640/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7640/binderfs") = 0 [pid 287] umount2("./7640/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7640/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7640/cgroup") = 0 [pid 287] umount2("./7640/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7640/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7640/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7640") = 0 [pid 287] mkdir("./7641", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22115 ./strace-static-x86_64: Process 22527 attached [pid 22527] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22527] chdir("./7641") = 0 [pid 22527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22527] setpgid(0, 0) = 0 [pid 22527] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22527] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22527] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22527] write(3, "1000", 4) = 4 [pid 22527] close(3) = 0 [pid 22527] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22527] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22527] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22527] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22528 attached [pid 22528] set_robust_list(0x7f3b956fb9a0, 24 [pid 22527] <... clone3 resumed> => {parent_tid=[22116]}, 88) = 22116 [pid 22528] <... set_robust_list resumed>) = 0 [pid 22528] rt_sigprocmask(SIG_SETMASK, [], [pid 22527] rt_sigprocmask(SIG_SETMASK, [], [pid 22528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22528] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22527] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22528] <... futex resumed>) = 0 [pid 22527] <... futex resumed>) = 1 [pid 22528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22527] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22528] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22527] <... futex resumed>) = 0 [pid 22528] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22527] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22527] <... futex resumed>) = 0 [pid 22528] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22527] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22528] <... bpf resumed>) = 4 [pid 22528] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22527] <... futex resumed>) = 0 [pid 22528] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22527] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22527] <... futex resumed>) = 0 [pid 22528] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22527] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22528] <... bpf resumed>) = 0 [pid 22527] <... futex resumed>) = 0 [pid 22528] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22528] <... futex resumed>) = 0 [pid 22527] <... mmap resumed>) = 0x7f3b956ba000 [pid 22528] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22527] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22117]}, 88) = 22117 ./strace-static-x86_64: Process 22529 attached [pid 22527] rt_sigprocmask(SIG_SETMASK, [], [pid 22529] set_robust_list(0x7f3b956da9a0, 24 [pid 22527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22529] <... set_robust_list resumed>) = 0 [pid 22527] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22529] rt_sigprocmask(SIG_SETMASK, [], [pid 22527] <... futex resumed>) = 0 [pid 22527] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22529] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22527] <... futex resumed>) = 0 [pid 22529] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22527] close(3) = 0 [pid 22527] close(4) = 0 [pid 22527] close(5) = 0 [pid 22527] close(6) = -1 EBADF (Bad file descriptor) [pid 22527] close(7) = -1 EBADF (Bad file descriptor) [pid 22527] close(8) = -1 EBADF (Bad file descriptor) [pid 22527] close(9) = -1 EBADF (Bad file descriptor) [pid 22527] close(10) = -1 EBADF (Bad file descriptor) [pid 22527] close(11) = -1 EBADF (Bad file descriptor) [pid 22527] close(12) = -1 EBADF (Bad file descriptor) [pid 22527] close(13) = -1 EBADF (Bad file descriptor) [pid 22527] close(14) = -1 EBADF (Bad file descriptor) [pid 22527] close(15) = -1 EBADF (Bad file descriptor) [pid 22527] close(16) = -1 EBADF (Bad file descriptor) [pid 22527] close(17) = -1 EBADF (Bad file descriptor) [pid 22527] close(18) = -1 EBADF (Bad file descriptor) [pid 22527] close(19) = -1 EBADF (Bad file descriptor) [pid 22527] close(20) = -1 EBADF (Bad file descriptor) [pid 22527] close(21) = -1 EBADF (Bad file descriptor) [pid 22527] close(22) = -1 EBADF (Bad file descriptor) [pid 22527] close(23) = -1 EBADF (Bad file descriptor) [pid 22527] close(24) = -1 EBADF (Bad file descriptor) [pid 22527] close(25) = -1 EBADF (Bad file descriptor) [pid 22527] close(26) = -1 EBADF (Bad file descriptor) [pid 22527] close(27) = -1 EBADF (Bad file descriptor) [pid 22527] close(28) = -1 EBADF (Bad file descriptor) [pid 22527] close(29) = -1 EBADF (Bad file descriptor) [pid 22527] exit_group(0 [pid 22529] <... futex resumed>) = ? [pid 22528] <... futex resumed>) = ? [pid 22527] <... exit_group resumed>) = ? [pid 22529] +++ exited with 0 +++ [pid 22528] +++ exited with 0 +++ [pid 22527] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7641", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7641", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7641/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7641/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7641/cgroup.cpu") = 0 [pid 287] umount2("./7641/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7641/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7641/binderfs") = 0 [pid 287] umount2("./7641/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7641/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7641/cgroup") = 0 [pid 287] umount2("./7641/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7641/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7641/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7641") = 0 [pid 287] mkdir("./7642", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22530 attached [pid 22530] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22118 [pid 22530] chdir("./7642") = 0 [pid 22530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22530] setpgid(0, 0) = 0 [pid 22530] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22530] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22530] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22530] write(3, "1000", 4) = 4 [pid 22530] close(3) = 0 [pid 22530] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22530] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22530] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22530] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22531 attached => {parent_tid=[22119]}, 88) = 22119 [pid 22531] set_robust_list(0x7f3b956fb9a0, 24 [pid 22530] rt_sigprocmask(SIG_SETMASK, [], [pid 22531] <... set_robust_list resumed>) = 0 [pid 22530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22531] rt_sigprocmask(SIG_SETMASK, [], [pid 22530] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22530] <... futex resumed>) = 0 [pid 22530] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22531] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22531] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22530] <... futex resumed>) = 0 [pid 22531] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22530] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22530] <... futex resumed>) = 0 [pid 22531] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22530] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22531] <... bpf resumed>) = 4 [pid 22531] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22530] <... futex resumed>) = 0 [pid 22531] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22530] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22530] <... futex resumed>) = 0 [pid 22531] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22530] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22531] <... bpf resumed>) = 0 [pid 22530] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22531] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22530] <... mprotect resumed>) = 0 [pid 22531] <... futex resumed>) = 0 [pid 22530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22531] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22532 attached [pid 22532] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22532] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22530] <... clone3 resumed> => {parent_tid=[22120]}, 88) = 22120 [pid 22530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22530] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22532] <... futex resumed>) = 0 [pid 22530] <... futex resumed>) = 1 [pid 22532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22530] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22532] <... bpf resumed>) = 5 [pid 22532] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22530] <... futex resumed>) = 0 [pid 22532] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22530] close(3) = 0 [pid 22530] close(4) = 0 [pid 22530] close(5) = 0 [pid 22530] close(6) = -1 EBADF (Bad file descriptor) [pid 22530] close(7) = -1 EBADF (Bad file descriptor) [pid 22530] close(8) = -1 EBADF (Bad file descriptor) [pid 22530] close(9) = -1 EBADF (Bad file descriptor) [pid 22530] close(10) = -1 EBADF (Bad file descriptor) [pid 22530] close(11) = -1 EBADF (Bad file descriptor) [pid 22530] close(12) = -1 EBADF (Bad file descriptor) [pid 22530] close(13) = -1 EBADF (Bad file descriptor) [pid 22530] close(14) = -1 EBADF (Bad file descriptor) [pid 22530] close(15) = -1 EBADF (Bad file descriptor) [pid 22530] close(16) = -1 EBADF (Bad file descriptor) [pid 22530] close(17) = -1 EBADF (Bad file descriptor) [pid 22530] close(18) = -1 EBADF (Bad file descriptor) [pid 22530] close(19) = -1 EBADF (Bad file descriptor) [pid 22530] close(20) = -1 EBADF (Bad file descriptor) [pid 22530] close(21) = -1 EBADF (Bad file descriptor) [pid 22530] close(22) = -1 EBADF (Bad file descriptor) [pid 22530] close(23) = -1 EBADF (Bad file descriptor) [pid 22530] close(24) = -1 EBADF (Bad file descriptor) [pid 22530] close(25) = -1 EBADF (Bad file descriptor) [pid 22530] close(26) = -1 EBADF (Bad file descriptor) [pid 22530] close(27) = -1 EBADF (Bad file descriptor) [pid 22530] close(28) = -1 EBADF (Bad file descriptor) [pid 22530] close(29) = -1 EBADF (Bad file descriptor) [pid 22530] exit_group(0 [pid 22532] <... futex resumed>) = ? [pid 22531] <... futex resumed>) = ? [pid 22530] <... exit_group resumed>) = ? [pid 22532] +++ exited with 0 +++ [pid 22531] +++ exited with 0 +++ [pid 22530] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7642", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7642", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7642/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7642/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7642/cgroup.cpu") = 0 [pid 287] umount2("./7642/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7642/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7642/binderfs") = 0 [pid 287] umount2("./7642/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7642/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7642/cgroup") = 0 [pid 287] umount2("./7642/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7642/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7642/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7642") = 0 [pid 287] mkdir("./7643", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22533 attached [pid 22533] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22533] chdir("./7643" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22121 [pid 22533] <... chdir resumed>) = 0 [pid 22533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22533] setpgid(0, 0) = 0 [pid 22533] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22533] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22533] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22533] write(3, "1000", 4) = 4 [pid 22533] close(3) = 0 [pid 22533] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22533] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22533] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22533] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22122]}, 88) = 22122 ./strace-static-x86_64: Process 22534 attached [pid 22533] rt_sigprocmask(SIG_SETMASK, [], [pid 22534] set_robust_list(0x7f3b956fb9a0, 24 [pid 22533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22534] <... set_robust_list resumed>) = 0 [pid 22533] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22533] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22534] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22533] <... futex resumed>) = 0 [pid 22533] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22533] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22534] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22533] <... futex resumed>) = 0 [pid 22534] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22533] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22533] <... futex resumed>) = 0 [pid 22534] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22533] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22534] <... bpf resumed>) = 0 [pid 22533] <... futex resumed>) = 0 [pid 22534] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22534] <... futex resumed>) = 0 [pid 22533] <... mmap resumed>) = 0x7f3b956ba000 [pid 22534] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22533] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22123]}, 88) = 22123 ./strace-static-x86_64: Process 22535 attached [pid 22535] set_robust_list(0x7f3b956da9a0, 24 [pid 22533] rt_sigprocmask(SIG_SETMASK, [], [pid 22535] <... set_robust_list resumed>) = 0 [pid 22533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22535] rt_sigprocmask(SIG_SETMASK, [], [pid 22533] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22533] <... futex resumed>) = 0 [pid 22535] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22533] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22535] <... bpf resumed>) = 5 [pid 22535] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22533] <... futex resumed>) = 0 [pid 22535] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22533] close(3) = 0 [pid 22533] close(4) = 0 [pid 22533] close(5) = 0 [pid 22533] close(6) = -1 EBADF (Bad file descriptor) [pid 22533] close(7) = -1 EBADF (Bad file descriptor) [pid 22533] close(8) = -1 EBADF (Bad file descriptor) [pid 22533] close(9) = -1 EBADF (Bad file descriptor) [pid 22533] close(10) = -1 EBADF (Bad file descriptor) [pid 22533] close(11) = -1 EBADF (Bad file descriptor) [pid 22533] close(12) = -1 EBADF (Bad file descriptor) [pid 22533] close(13) = -1 EBADF (Bad file descriptor) [pid 22533] close(14) = -1 EBADF (Bad file descriptor) [pid 22533] close(15) = -1 EBADF (Bad file descriptor) [pid 22533] close(16) = -1 EBADF (Bad file descriptor) [pid 22533] close(17) = -1 EBADF (Bad file descriptor) [pid 22533] close(18) = -1 EBADF (Bad file descriptor) [pid 22533] close(19) = -1 EBADF (Bad file descriptor) [pid 22533] close(20) = -1 EBADF (Bad file descriptor) [pid 22533] close(21) = -1 EBADF (Bad file descriptor) [pid 22533] close(22) = -1 EBADF (Bad file descriptor) [pid 22533] close(23) = -1 EBADF (Bad file descriptor) [pid 22533] close(24) = -1 EBADF (Bad file descriptor) [pid 22533] close(25) = -1 EBADF (Bad file descriptor) [pid 22533] close(26) = -1 EBADF (Bad file descriptor) [pid 22533] close(27) = -1 EBADF (Bad file descriptor) [pid 22533] close(28) = -1 EBADF (Bad file descriptor) [pid 22533] close(29) = -1 EBADF (Bad file descriptor) [pid 22533] exit_group(0 [pid 22534] <... futex resumed>) = ? [pid 22533] <... exit_group resumed>) = ? [pid 22534] +++ exited with 0 +++ [pid 22535] <... futex resumed>) = ? [pid 22535] +++ exited with 0 +++ [pid 22533] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7643", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7643/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7643/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7643/cgroup.cpu") = 0 [pid 287] umount2("./7643/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7643/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7643/binderfs") = 0 [pid 287] umount2("./7643/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7643/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7643/cgroup") = 0 [pid 287] umount2("./7643/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7643/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7643/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7643") = 0 [pid 287] mkdir("./7644", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22536 attached [pid 22536] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22536] chdir("./7644") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22124 [pid 22536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22536] setpgid(0, 0) = 0 [pid 22536] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22536] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22536] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22536] write(3, "1000", 4) = 4 [pid 22536] close(3) = 0 [pid 22536] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22536] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22536] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22536] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22537 attached [pid 22537] set_robust_list(0x7f3b956fb9a0, 24 [pid 22536] <... clone3 resumed> => {parent_tid=[22125]}, 88) = 22125 [pid 22537] <... set_robust_list resumed>) = 0 [pid 22536] rt_sigprocmask(SIG_SETMASK, [], [pid 22537] rt_sigprocmask(SIG_SETMASK, [], [pid 22536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22536] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22537] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22536] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22537] <... bpf resumed>) = 3 [pid 22537] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22536] <... futex resumed>) = 0 [pid 22537] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22536] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22536] <... futex resumed>) = 0 [pid 22537] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22536] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22537] <... bpf resumed>) = 4 [pid 22537] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22536] <... futex resumed>) = 0 [pid 22537] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22536] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22536] <... futex resumed>) = 0 [pid 22537] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22536] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22537] <... bpf resumed>) = 0 [pid 22536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22537] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22536] <... mmap resumed>) = 0x7f3b956ba000 [pid 22537] <... futex resumed>) = 0 [pid 22536] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22537] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22536] <... mprotect resumed>) = 0 [pid 22536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22538 attached [pid 22538] set_robust_list(0x7f3b956da9a0, 24 [pid 22536] <... clone3 resumed> => {parent_tid=[22126]}, 88) = 22126 [pid 22538] <... set_robust_list resumed>) = 0 [pid 22538] rt_sigprocmask(SIG_SETMASK, [], [pid 22536] rt_sigprocmask(SIG_SETMASK, [], [pid 22538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22538] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22536] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22538] <... futex resumed>) = 0 [pid 22536] <... futex resumed>) = 1 [pid 22538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22536] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22538] <... bpf resumed>) = 5 [pid 22538] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22536] <... futex resumed>) = 0 [pid 22538] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22536] close(3) = 0 [pid 22536] close(4) = 0 [pid 22536] close(5) = 0 [pid 22536] close(6) = -1 EBADF (Bad file descriptor) [pid 22536] close(7) = -1 EBADF (Bad file descriptor) [pid 22536] close(8) = -1 EBADF (Bad file descriptor) [pid 22536] close(9) = -1 EBADF (Bad file descriptor) [pid 22536] close(10) = -1 EBADF (Bad file descriptor) [pid 22536] close(11) = -1 EBADF (Bad file descriptor) [pid 22536] close(12) = -1 EBADF (Bad file descriptor) [pid 22536] close(13) = -1 EBADF (Bad file descriptor) [pid 22536] close(14) = -1 EBADF (Bad file descriptor) [pid 22536] close(15) = -1 EBADF (Bad file descriptor) [pid 22536] close(16) = -1 EBADF (Bad file descriptor) [pid 22536] close(17) = -1 EBADF (Bad file descriptor) [pid 22536] close(18) = -1 EBADF (Bad file descriptor) [pid 22536] close(19) = -1 EBADF (Bad file descriptor) [pid 22536] close(20) = -1 EBADF (Bad file descriptor) [pid 22536] close(21) = -1 EBADF (Bad file descriptor) [pid 22536] close(22) = -1 EBADF (Bad file descriptor) [pid 22536] close(23) = -1 EBADF (Bad file descriptor) [pid 22536] close(24) = -1 EBADF (Bad file descriptor) [pid 22536] close(25) = -1 EBADF (Bad file descriptor) [pid 22536] close(26) = -1 EBADF (Bad file descriptor) [pid 22536] close(27) = -1 EBADF (Bad file descriptor) [pid 22536] close(28) = -1 EBADF (Bad file descriptor) [pid 22536] close(29) = -1 EBADF (Bad file descriptor) [pid 22536] exit_group(0) = ? [pid 22537] <... futex resumed>) = ? [pid 22538] <... futex resumed>) = ? [pid 22538] +++ exited with 0 +++ [pid 22537] +++ exited with 0 +++ [pid 22536] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7644", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7644/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7644/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7644/cgroup.cpu") = 0 [pid 287] umount2("./7644/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7644/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7644/binderfs") = 0 [pid 287] umount2("./7644/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7644/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7644/cgroup") = 0 [pid 287] umount2("./7644/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7644/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7644/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7644") = 0 [pid 287] mkdir("./7645", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22539 attached [pid 22539] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22539] chdir("./7645") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22127 [pid 22539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22539] setpgid(0, 0) = 0 [pid 22539] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22539] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22539] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22539] write(3, "1000", 4) = 4 [pid 22539] close(3) = 0 [pid 22539] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22539] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22539] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22539] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22540 attached [pid 22540] set_robust_list(0x7f3b956fb9a0, 24 [pid 22539] <... clone3 resumed> => {parent_tid=[22128]}, 88) = 22128 [pid 22540] <... set_robust_list resumed>) = 0 [pid 22539] rt_sigprocmask(SIG_SETMASK, [], [pid 22540] rt_sigprocmask(SIG_SETMASK, [], [pid 22539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22539] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22539] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22540] <... bpf resumed>) = 3 [pid 22540] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22539] <... futex resumed>) = 0 [pid 22539] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22539] <... futex resumed>) = 0 [pid 22539] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22540] <... bpf resumed>) = 4 [pid 22540] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22539] <... futex resumed>) = 0 [pid 22540] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22539] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22539] <... futex resumed>) = 0 [pid 22540] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22539] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22540] <... bpf resumed>) = 0 [pid 22539] <... futex resumed>) = 0 [pid 22540] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22540] <... futex resumed>) = 0 [pid 22539] <... mmap resumed>) = 0x7f3b956ba000 [pid 22540] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22539] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22541 attached [pid 22541] set_robust_list(0x7f3b956da9a0, 24 [pid 22539] <... clone3 resumed> => {parent_tid=[22129]}, 88) = 22129 [pid 22541] <... set_robust_list resumed>) = 0 [pid 22541] rt_sigprocmask(SIG_SETMASK, [], [pid 22539] rt_sigprocmask(SIG_SETMASK, [], [pid 22541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22541] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22539] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22541] <... futex resumed>) = 0 [pid 22539] <... futex resumed>) = 1 [pid 22541] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22539] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22541] <... bpf resumed>) = 5 [pid 22541] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22539] <... futex resumed>) = 0 [pid 22541] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22539] close(3) = 0 [pid 22539] close(4) = 0 [pid 22539] close(5) = 0 [pid 22539] close(6) = -1 EBADF (Bad file descriptor) [pid 22539] close(7) = -1 EBADF (Bad file descriptor) [pid 22539] close(8) = -1 EBADF (Bad file descriptor) [pid 22539] close(9) = -1 EBADF (Bad file descriptor) [pid 22539] close(10) = -1 EBADF (Bad file descriptor) [pid 22539] close(11) = -1 EBADF (Bad file descriptor) [pid 22539] close(12) = -1 EBADF (Bad file descriptor) [pid 22539] close(13) = -1 EBADF (Bad file descriptor) [pid 22539] close(14) = -1 EBADF (Bad file descriptor) [pid 22539] close(15) = -1 EBADF (Bad file descriptor) [pid 22539] close(16) = -1 EBADF (Bad file descriptor) [pid 22539] close(17) = -1 EBADF (Bad file descriptor) [pid 22539] close(18) = -1 EBADF (Bad file descriptor) [pid 22539] close(19) = -1 EBADF (Bad file descriptor) [pid 22539] close(20) = -1 EBADF (Bad file descriptor) [pid 22539] close(21) = -1 EBADF (Bad file descriptor) [pid 22539] close(22) = -1 EBADF (Bad file descriptor) [pid 22539] close(23) = -1 EBADF (Bad file descriptor) [pid 22539] close(24) = -1 EBADF (Bad file descriptor) [pid 22539] close(25) = -1 EBADF (Bad file descriptor) [pid 22539] close(26) = -1 EBADF (Bad file descriptor) [pid 22539] close(27) = -1 EBADF (Bad file descriptor) [pid 22539] close(28) = -1 EBADF (Bad file descriptor) [pid 22539] close(29) = -1 EBADF (Bad file descriptor) [pid 22539] exit_group(0) = ? [pid 22540] <... futex resumed>) = ? [pid 22541] <... futex resumed>) = ? [pid 22540] +++ exited with 0 +++ [pid 22541] +++ exited with 0 +++ [pid 22539] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7645", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7645/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7645/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7645/cgroup.cpu") = 0 [pid 287] umount2("./7645/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7645/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7645/binderfs") = 0 [pid 287] umount2("./7645/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7645/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7645/cgroup") = 0 [pid 287] umount2("./7645/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7645/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7645/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7645") = 0 [pid 287] mkdir("./7646", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22542 attached [pid 22542] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22542] chdir("./7646" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22130 [pid 22542] <... chdir resumed>) = 0 [pid 22542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22542] setpgid(0, 0) = 0 [pid 22542] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22542] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22542] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22542] write(3, "1000", 4) = 4 [pid 22542] close(3) = 0 [pid 22542] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22542] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22542] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22542] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22543 attached [pid 22543] set_robust_list(0x7f3b956fb9a0, 24 [pid 22542] <... clone3 resumed> => {parent_tid=[22131]}, 88) = 22131 [pid 22543] <... set_robust_list resumed>) = 0 [pid 22542] rt_sigprocmask(SIG_SETMASK, [], [pid 22543] rt_sigprocmask(SIG_SETMASK, [], [pid 22542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22542] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22543] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22542] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22543] <... bpf resumed>) = 3 [pid 22543] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22542] <... futex resumed>) = 0 [pid 22543] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22542] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22542] <... futex resumed>) = 0 [pid 22543] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22542] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22543] <... bpf resumed>) = 4 [pid 22543] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22542] <... futex resumed>) = 0 [pid 22543] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22542] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22542] <... futex resumed>) = 0 [pid 22543] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22542] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22543] <... bpf resumed>) = 0 [pid 22542] <... futex resumed>) = 0 [pid 22543] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22543] <... futex resumed>) = 0 [pid 22542] <... mmap resumed>) = 0x7f3b956ba000 [pid 22543] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22542] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22544 attached [pid 22544] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22542] <... clone3 resumed> => {parent_tid=[22132]}, 88) = 22132 [pid 22544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22542] rt_sigprocmask(SIG_SETMASK, [], [pid 22544] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22542] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22544] <... futex resumed>) = 0 [pid 22544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22542] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22544] <... bpf resumed>) = 5 [pid 22544] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22542] <... futex resumed>) = 0 [pid 22544] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22542] close(3) = 0 [pid 22542] close(4) = 0 [pid 22542] close(5) = 0 [pid 22542] close(6) = -1 EBADF (Bad file descriptor) [pid 22542] close(7) = -1 EBADF (Bad file descriptor) [pid 22542] close(8) = -1 EBADF (Bad file descriptor) [pid 22542] close(9) = -1 EBADF (Bad file descriptor) [pid 22542] close(10) = -1 EBADF (Bad file descriptor) [pid 22542] close(11) = -1 EBADF (Bad file descriptor) [pid 22542] close(12) = -1 EBADF (Bad file descriptor) [pid 22542] close(13) = -1 EBADF (Bad file descriptor) [pid 22542] close(14) = -1 EBADF (Bad file descriptor) [pid 22542] close(15) = -1 EBADF (Bad file descriptor) [pid 22542] close(16) = -1 EBADF (Bad file descriptor) [pid 22542] close(17) = -1 EBADF (Bad file descriptor) [pid 22542] close(18) = -1 EBADF (Bad file descriptor) [pid 22542] close(19) = -1 EBADF (Bad file descriptor) [pid 22542] close(20) = -1 EBADF (Bad file descriptor) [pid 22542] close(21) = -1 EBADF (Bad file descriptor) [pid 22542] close(22) = -1 EBADF (Bad file descriptor) [pid 22542] close(23) = -1 EBADF (Bad file descriptor) [pid 22542] close(24) = -1 EBADF (Bad file descriptor) [pid 22542] close(25) = -1 EBADF (Bad file descriptor) [pid 22542] close(26) = -1 EBADF (Bad file descriptor) [pid 22542] close(27) = -1 EBADF (Bad file descriptor) [pid 22542] close(28) = -1 EBADF (Bad file descriptor) [pid 22542] close(29) = -1 EBADF (Bad file descriptor) [pid 22542] exit_group(0) = ? [pid 22543] <... futex resumed>) = ? [pid 22544] <... futex resumed>) = ? [pid 22543] +++ exited with 0 +++ [pid 22544] +++ exited with 0 +++ [pid 22542] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7646", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7646/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7646/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7646/cgroup.cpu") = 0 [pid 287] umount2("./7646/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7646/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7646/binderfs") = 0 [pid 287] umount2("./7646/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7646/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7646/cgroup") = 0 [pid 287] umount2("./7646/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7646/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7646/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7646") = 0 [pid 287] mkdir("./7647", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22545 attached [pid 22545] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22133 [pid 22545] chdir("./7647") = 0 [pid 22545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22545] setpgid(0, 0) = 0 [pid 22545] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22545] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22545] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22545] write(3, "1000", 4) = 4 [pid 22545] close(3) = 0 [pid 22545] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22545] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22545] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22545] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22546 attached => {parent_tid=[22134]}, 88) = 22134 [pid 22546] set_robust_list(0x7f3b956fb9a0, 24 [pid 22545] rt_sigprocmask(SIG_SETMASK, [], [pid 22546] <... set_robust_list resumed>) = 0 [pid 22545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22546] rt_sigprocmask(SIG_SETMASK, [], [pid 22545] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22545] <... futex resumed>) = 0 [pid 22545] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22546] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22546] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22545] <... futex resumed>) = 0 [pid 22545] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22546] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22545] <... futex resumed>) = 0 [pid 22545] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22546] <... bpf resumed>) = 4 [pid 22546] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22545] <... futex resumed>) = 0 [pid 22546] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22545] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22545] <... futex resumed>) = 0 [pid 22546] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22545] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22546] <... bpf resumed>) = 0 [pid 22545] <... futex resumed>) = 0 [pid 22546] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22546] <... futex resumed>) = 0 [pid 22545] <... mmap resumed>) = 0x7f3b956ba000 [pid 22546] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22545] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22547 attached => {parent_tid=[22135]}, 88) = 22135 [pid 22547] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22545] rt_sigprocmask(SIG_SETMASK, [], [pid 22547] rt_sigprocmask(SIG_SETMASK, [], [pid 22545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22547] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22545] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22547] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22545] <... futex resumed>) = 0 [pid 22545] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22547] <... bpf resumed>) = 5 [pid 22547] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22545] <... futex resumed>) = 0 [pid 22547] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22545] close(3) = 0 [pid 22545] close(4) = 0 [pid 22545] close(5) = 0 [pid 22545] close(6) = -1 EBADF (Bad file descriptor) [pid 22545] close(7) = -1 EBADF (Bad file descriptor) [pid 22545] close(8) = -1 EBADF (Bad file descriptor) [pid 22545] close(9) = -1 EBADF (Bad file descriptor) [pid 22545] close(10) = -1 EBADF (Bad file descriptor) [pid 22545] close(11) = -1 EBADF (Bad file descriptor) [pid 22545] close(12) = -1 EBADF (Bad file descriptor) [pid 22545] close(13) = -1 EBADF (Bad file descriptor) [pid 22545] close(14) = -1 EBADF (Bad file descriptor) [pid 22545] close(15) = -1 EBADF (Bad file descriptor) [pid 22545] close(16) = -1 EBADF (Bad file descriptor) [pid 22545] close(17) = -1 EBADF (Bad file descriptor) [pid 22545] close(18) = -1 EBADF (Bad file descriptor) [pid 22545] close(19) = -1 EBADF (Bad file descriptor) [pid 22545] close(20) = -1 EBADF (Bad file descriptor) [pid 22545] close(21) = -1 EBADF (Bad file descriptor) [pid 22545] close(22) = -1 EBADF (Bad file descriptor) [pid 22545] close(23) = -1 EBADF (Bad file descriptor) [pid 22545] close(24) = -1 EBADF (Bad file descriptor) [pid 22545] close(25) = -1 EBADF (Bad file descriptor) [pid 22545] close(26) = -1 EBADF (Bad file descriptor) [pid 22545] close(27) = -1 EBADF (Bad file descriptor) [pid 22545] close(28) = -1 EBADF (Bad file descriptor) [pid 22545] close(29) = -1 EBADF (Bad file descriptor) [pid 22545] exit_group(0 [pid 22546] <... futex resumed>) = ? [pid 22545] <... exit_group resumed>) = ? [pid 22547] <... futex resumed>) = ? [pid 22547] +++ exited with 0 +++ [pid 22546] +++ exited with 0 +++ [pid 22545] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7647", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7647/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7647/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7647/cgroup.cpu") = 0 [pid 287] umount2("./7647/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7647/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7647/binderfs") = 0 [pid 287] umount2("./7647/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7647/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7647/cgroup") = 0 [pid 287] umount2("./7647/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7647/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7647/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7647") = 0 [pid 287] mkdir("./7648", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22548 attached [pid 22548] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22548] chdir("./7648") = 0 [pid 22548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22548] setpgid(0, 0) = 0 [pid 22548] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22136 [pid 22548] <... symlink resumed>) = 0 [pid 22548] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22548] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22548] write(3, "1000", 4) = 4 [pid 22548] close(3) = 0 [pid 22548] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22548] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22548] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22548] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22549 attached [pid 22549] set_robust_list(0x7f3b956fb9a0, 24 [pid 22548] <... clone3 resumed> => {parent_tid=[22137]}, 88) = 22137 [pid 22549] <... set_robust_list resumed>) = 0 [pid 22548] rt_sigprocmask(SIG_SETMASK, [], [pid 22549] rt_sigprocmask(SIG_SETMASK, [], [pid 22548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22548] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22548] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22549] <... bpf resumed>) = 3 [pid 22549] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22548] <... futex resumed>) = 0 [pid 22549] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22548] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22548] <... futex resumed>) = 0 [pid 22549] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22548] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22549] <... bpf resumed>) = 4 [pid 22549] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22548] <... futex resumed>) = 0 [pid 22549] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22548] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22548] <... futex resumed>) = 0 [pid 22549] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22548] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22549] <... bpf resumed>) = 0 [pid 22548] <... futex resumed>) = 0 [pid 22549] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22549] <... futex resumed>) = 0 [pid 22548] <... mmap resumed>) = 0x7f3b956ba000 [pid 22549] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22548] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22550 attached [pid 22550] set_robust_list(0x7f3b956da9a0, 24 [pid 22548] <... clone3 resumed> => {parent_tid=[22138]}, 88) = 22138 [pid 22550] <... set_robust_list resumed>) = 0 [pid 22548] rt_sigprocmask(SIG_SETMASK, [], [pid 22550] rt_sigprocmask(SIG_SETMASK, [], [pid 22548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22550] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22548] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22550] <... futex resumed>) = 0 [pid 22548] <... futex resumed>) = 1 [pid 22550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22548] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22550] <... bpf resumed>) = 5 [pid 22550] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22548] <... futex resumed>) = 0 [pid 22550] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22548] close(3) = 0 [pid 22548] close(4) = 0 [pid 22548] close(5) = 0 [pid 22548] close(6) = -1 EBADF (Bad file descriptor) [pid 22548] close(7) = -1 EBADF (Bad file descriptor) [pid 22548] close(8) = -1 EBADF (Bad file descriptor) [pid 22548] close(9) = -1 EBADF (Bad file descriptor) [pid 22548] close(10) = -1 EBADF (Bad file descriptor) [pid 22548] close(11) = -1 EBADF (Bad file descriptor) [pid 22548] close(12) = -1 EBADF (Bad file descriptor) [pid 22548] close(13) = -1 EBADF (Bad file descriptor) [pid 22548] close(14) = -1 EBADF (Bad file descriptor) [pid 22548] close(15) = -1 EBADF (Bad file descriptor) [pid 22548] close(16) = -1 EBADF (Bad file descriptor) [pid 22548] close(17) = -1 EBADF (Bad file descriptor) [pid 22548] close(18) = -1 EBADF (Bad file descriptor) [pid 22548] close(19) = -1 EBADF (Bad file descriptor) [pid 22548] close(20) = -1 EBADF (Bad file descriptor) [pid 22548] close(21) = -1 EBADF (Bad file descriptor) [pid 22548] close(22) = -1 EBADF (Bad file descriptor) [pid 22548] close(23) = -1 EBADF (Bad file descriptor) [pid 22548] close(24) = -1 EBADF (Bad file descriptor) [pid 22548] close(25) = -1 EBADF (Bad file descriptor) [pid 22548] close(26) = -1 EBADF (Bad file descriptor) [pid 22548] close(27) = -1 EBADF (Bad file descriptor) [pid 22548] close(28) = -1 EBADF (Bad file descriptor) [pid 22548] close(29) = -1 EBADF (Bad file descriptor) [pid 22548] exit_group(0 [pid 22549] <... futex resumed>) = ? [pid 22548] <... exit_group resumed>) = ? [pid 22550] <... futex resumed>) = ? [pid 22550] +++ exited with 0 +++ [pid 22549] +++ exited with 0 +++ [pid 22548] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7648", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7648/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7648/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7648/cgroup.cpu") = 0 [pid 287] umount2("./7648/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7648/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7648/binderfs") = 0 [pid 287] umount2("./7648/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7648/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7648/cgroup") = 0 [pid 287] umount2("./7648/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7648/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7648/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7648") = 0 [pid 287] mkdir("./7649", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22551 attached [pid 22551] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22551] chdir("./7649") = 0 [pid 22551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22139 [pid 22551] <... prctl resumed>) = 0 [pid 22551] setpgid(0, 0) = 0 [pid 22551] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22551] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22551] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22551] write(3, "1000", 4) = 4 [pid 22551] close(3) = 0 [pid 22551] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22551] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22551] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22551] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22552 attached [pid 22552] set_robust_list(0x7f3b956fb9a0, 24 [pid 22551] <... clone3 resumed> => {parent_tid=[22140]}, 88) = 22140 [pid 22552] <... set_robust_list resumed>) = 0 [pid 22551] rt_sigprocmask(SIG_SETMASK, [], [pid 22552] rt_sigprocmask(SIG_SETMASK, [], [pid 22551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22551] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22551] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22552] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22552] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22551] <... futex resumed>) = 0 [pid 22552] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22551] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22552] <... bpf resumed>) = 4 [pid 22551] <... futex resumed>) = 0 [pid 22552] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22551] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22552] <... futex resumed>) = 0 [pid 22551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22552] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22551] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22551] <... futex resumed>) = 0 [pid 22552] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22551] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22552] <... bpf resumed>) = 0 [pid 22551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22552] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22551] <... mmap resumed>) = 0x7f3b956ba000 [pid 22552] <... futex resumed>) = 0 [pid 22551] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22552] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22551] <... mprotect resumed>) = 0 [pid 22551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22553 attached [pid 22553] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22551] <... clone3 resumed> => {parent_tid=[22141]}, 88) = 22141 [pid 22553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22551] rt_sigprocmask(SIG_SETMASK, [], [pid 22553] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22551] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22553] <... futex resumed>) = 0 [pid 22551] <... futex resumed>) = 1 [pid 22553] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22551] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22553] <... bpf resumed>) = 5 [pid 22553] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22551] <... futex resumed>) = 0 [pid 22553] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22551] close(3) = 0 [pid 22551] close(4) = 0 [pid 22551] close(5) = 0 [pid 22551] close(6) = -1 EBADF (Bad file descriptor) [pid 22551] close(7) = -1 EBADF (Bad file descriptor) [pid 22551] close(8) = -1 EBADF (Bad file descriptor) [pid 22551] close(9) = -1 EBADF (Bad file descriptor) [pid 22551] close(10) = -1 EBADF (Bad file descriptor) [pid 22551] close(11) = -1 EBADF (Bad file descriptor) [pid 22551] close(12) = -1 EBADF (Bad file descriptor) [pid 22551] close(13) = -1 EBADF (Bad file descriptor) [pid 22551] close(14) = -1 EBADF (Bad file descriptor) [pid 22551] close(15) = -1 EBADF (Bad file descriptor) [pid 22551] close(16) = -1 EBADF (Bad file descriptor) [pid 22551] close(17) = -1 EBADF (Bad file descriptor) [pid 22551] close(18) = -1 EBADF (Bad file descriptor) [pid 22551] close(19) = -1 EBADF (Bad file descriptor) [pid 22551] close(20) = -1 EBADF (Bad file descriptor) [pid 22551] close(21) = -1 EBADF (Bad file descriptor) [pid 22551] close(22) = -1 EBADF (Bad file descriptor) [pid 22551] close(23) = -1 EBADF (Bad file descriptor) [pid 22551] close(24) = -1 EBADF (Bad file descriptor) [pid 22551] close(25) = -1 EBADF (Bad file descriptor) [pid 22551] close(26) = -1 EBADF (Bad file descriptor) [pid 22551] close(27) = -1 EBADF (Bad file descriptor) [pid 22551] close(28) = -1 EBADF (Bad file descriptor) [pid 22551] close(29) = -1 EBADF (Bad file descriptor) [pid 22551] exit_group(0 [pid 22552] <... futex resumed>) = ? [pid 22551] <... exit_group resumed>) = ? [pid 22553] <... futex resumed>) = ? [pid 22552] +++ exited with 0 +++ [pid 22553] +++ exited with 0 +++ [pid 22551] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7649", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7649/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7649/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7649/cgroup.cpu") = 0 [pid 287] umount2("./7649/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7649/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7649/binderfs") = 0 [pid 287] umount2("./7649/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7649/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7649/cgroup") = 0 [pid 287] umount2("./7649/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7649/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7649/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7649") = 0 [pid 287] mkdir("./7650", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22554 attached [pid 22554] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22142 [pid 22554] chdir("./7650") = 0 [pid 22554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22554] setpgid(0, 0) = 0 [pid 22554] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22554] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22554] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22554] write(3, "1000", 4) = 4 [pid 22554] close(3) = 0 [pid 22554] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22554] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22554] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22554] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22555 attached [pid 22555] set_robust_list(0x7f3b956fb9a0, 24 [pid 22554] <... clone3 resumed> => {parent_tid=[22143]}, 88) = 22143 [pid 22555] <... set_robust_list resumed>) = 0 [pid 22554] rt_sigprocmask(SIG_SETMASK, [], [pid 22555] rt_sigprocmask(SIG_SETMASK, [], [pid 22554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22554] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22555] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22554] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22555] <... bpf resumed>) = 3 [pid 22555] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22554] <... futex resumed>) = 0 [pid 22555] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22554] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22555] <... bpf resumed>) = 4 [pid 22554] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22555] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22555] <... futex resumed>) = 0 [pid 22554] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22555] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22554] <... futex resumed>) = 0 [pid 22554] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22555] <... bpf resumed>) = 0 [pid 22554] <... futex resumed>) = 0 [pid 22555] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22555] <... futex resumed>) = 0 [pid 22554] <... mmap resumed>) = 0x7f3b956ba000 [pid 22555] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22554] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22556 attached [pid 22556] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22554] <... clone3 resumed> => {parent_tid=[22144]}, 88) = 22144 [pid 22556] rt_sigprocmask(SIG_SETMASK, [], [pid 22554] rt_sigprocmask(SIG_SETMASK, [], [pid 22556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22556] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22554] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22556] <... futex resumed>) = 0 [pid 22554] <... futex resumed>) = 1 [pid 22556] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22554] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22556] <... bpf resumed>) = 5 [pid 22556] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22554] <... futex resumed>) = 0 [pid 22554] close(3 [pid 22556] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22554] <... close resumed>) = 0 [pid 22554] close(4) = 0 [pid 22554] close(5) = 0 [pid 22554] close(6) = -1 EBADF (Bad file descriptor) [pid 22554] close(7) = -1 EBADF (Bad file descriptor) [pid 22554] close(8) = -1 EBADF (Bad file descriptor) [pid 22554] close(9) = -1 EBADF (Bad file descriptor) [pid 22554] close(10) = -1 EBADF (Bad file descriptor) [pid 22554] close(11) = -1 EBADF (Bad file descriptor) [pid 22554] close(12) = -1 EBADF (Bad file descriptor) [pid 22554] close(13) = -1 EBADF (Bad file descriptor) [pid 22554] close(14) = -1 EBADF (Bad file descriptor) [pid 22554] close(15) = -1 EBADF (Bad file descriptor) [pid 22554] close(16) = -1 EBADF (Bad file descriptor) [pid 22554] close(17) = -1 EBADF (Bad file descriptor) [pid 22554] close(18) = -1 EBADF (Bad file descriptor) [pid 22554] close(19) = -1 EBADF (Bad file descriptor) [pid 22554] close(20) = -1 EBADF (Bad file descriptor) [pid 22554] close(21) = -1 EBADF (Bad file descriptor) [pid 22554] close(22) = -1 EBADF (Bad file descriptor) [pid 22554] close(23) = -1 EBADF (Bad file descriptor) [pid 22554] close(24) = -1 EBADF (Bad file descriptor) [pid 22554] close(25) = -1 EBADF (Bad file descriptor) [pid 22554] close(26) = -1 EBADF (Bad file descriptor) [pid 22554] close(27) = -1 EBADF (Bad file descriptor) [pid 22554] close(28) = -1 EBADF (Bad file descriptor) [pid 22554] close(29) = -1 EBADF (Bad file descriptor) [pid 22554] exit_group(0 [pid 22556] <... futex resumed>) = ? [pid 22555] <... futex resumed>) = ? [pid 22554] <... exit_group resumed>) = ? [pid 22555] +++ exited with 0 +++ [pid 22556] +++ exited with 0 +++ [pid 22554] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7650", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7650/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7650/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7650/cgroup.cpu") = 0 [pid 287] umount2("./7650/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7650/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7650/binderfs") = 0 [pid 287] umount2("./7650/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7650/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7650/cgroup") = 0 [pid 287] umount2("./7650/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7650/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7650/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7650") = 0 [pid 287] mkdir("./7651", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22557 attached [pid 22557] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22557] chdir("./7651" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22145 [pid 22557] <... chdir resumed>) = 0 [pid 22557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22557] setpgid(0, 0) = 0 [pid 22557] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22557] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22557] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22557] write(3, "1000", 4) = 4 [pid 22557] close(3) = 0 [pid 22557] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22557] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22557] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22557] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22558 attached [pid 22558] set_robust_list(0x7f3b956fb9a0, 24 [pid 22557] <... clone3 resumed> => {parent_tid=[22146]}, 88) = 22146 [pid 22558] <... set_robust_list resumed>) = 0 [pid 22557] rt_sigprocmask(SIG_SETMASK, [], [pid 22558] rt_sigprocmask(SIG_SETMASK, [], [pid 22557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22557] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22558] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22557] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22558] <... bpf resumed>) = 3 [pid 22558] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22557] <... futex resumed>) = 0 [pid 22558] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22557] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22557] <... futex resumed>) = 0 [pid 22558] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22557] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22558] <... bpf resumed>) = 4 [pid 22558] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22557] <... futex resumed>) = 0 [pid 22558] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22557] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22557] <... futex resumed>) = 0 [pid 22558] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22557] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22558] <... bpf resumed>) = 0 [pid 22557] <... futex resumed>) = 0 [pid 22558] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22558] <... futex resumed>) = 0 [pid 22557] <... mmap resumed>) = 0x7f3b956ba000 [pid 22558] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22557] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22559 attached [pid 22559] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22559] rt_sigprocmask(SIG_SETMASK, [], [pid 22557] <... clone3 resumed> => {parent_tid=[22147]}, 88) = 22147 [pid 22559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22559] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22557] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22559] <... futex resumed>) = 0 [pid 22557] <... futex resumed>) = 1 [pid 22559] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22557] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22559] <... bpf resumed>) = 5 [pid 22559] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22557] <... futex resumed>) = 0 [pid 22559] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22557] close(3) = 0 [pid 22557] close(4) = 0 [pid 22557] close(5) = 0 [pid 22557] close(6) = -1 EBADF (Bad file descriptor) [pid 22557] close(7) = -1 EBADF (Bad file descriptor) [pid 22557] close(8) = -1 EBADF (Bad file descriptor) [pid 22557] close(9) = -1 EBADF (Bad file descriptor) [pid 22557] close(10) = -1 EBADF (Bad file descriptor) [pid 22557] close(11) = -1 EBADF (Bad file descriptor) [pid 22557] close(12) = -1 EBADF (Bad file descriptor) [pid 22557] close(13) = -1 EBADF (Bad file descriptor) [pid 22557] close(14) = -1 EBADF (Bad file descriptor) [pid 22557] close(15) = -1 EBADF (Bad file descriptor) [pid 22557] close(16) = -1 EBADF (Bad file descriptor) [pid 22557] close(17) = -1 EBADF (Bad file descriptor) [pid 22557] close(18) = -1 EBADF (Bad file descriptor) [pid 22557] close(19) = -1 EBADF (Bad file descriptor) [pid 22557] close(20) = -1 EBADF (Bad file descriptor) [pid 22557] close(21) = -1 EBADF (Bad file descriptor) [pid 22557] close(22) = -1 EBADF (Bad file descriptor) [pid 22557] close(23) = -1 EBADF (Bad file descriptor) [pid 22557] close(24) = -1 EBADF (Bad file descriptor) [pid 22557] close(25) = -1 EBADF (Bad file descriptor) [pid 22557] close(26) = -1 EBADF (Bad file descriptor) [pid 22557] close(27) = -1 EBADF (Bad file descriptor) [pid 22557] close(28) = -1 EBADF (Bad file descriptor) [pid 22557] close(29) = -1 EBADF (Bad file descriptor) [pid 22557] exit_group(0) = ? [pid 22558] <... futex resumed>) = ? [pid 22559] <... futex resumed>) = ? [pid 22558] +++ exited with 0 +++ [pid 22559] +++ exited with 0 +++ [pid 22557] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7651", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7651/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7651/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7651/cgroup.cpu") = 0 [pid 287] umount2("./7651/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7651/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7651/binderfs") = 0 [pid 287] umount2("./7651/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7651/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7651/cgroup") = 0 [pid 287] umount2("./7651/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7651/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7651/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7651") = 0 [pid 287] mkdir("./7652", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22560 attached [pid 22560] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22148 [pid 22560] chdir("./7652") = 0 [pid 22560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22560] setpgid(0, 0) = 0 [pid 22560] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22560] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22560] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22560] write(3, "1000", 4) = 4 [pid 22560] close(3) = 0 [pid 22560] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22560] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22560] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22560] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22561 attached [pid 22561] set_robust_list(0x7f3b956fb9a0, 24 [pid 22560] <... clone3 resumed> => {parent_tid=[22149]}, 88) = 22149 [pid 22561] <... set_robust_list resumed>) = 0 [pid 22560] rt_sigprocmask(SIG_SETMASK, [], [pid 22561] rt_sigprocmask(SIG_SETMASK, [], [pid 22560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22560] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22561] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22560] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22561] <... bpf resumed>) = 3 [pid 22561] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22560] <... futex resumed>) = 0 [pid 22561] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22560] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22561] <... bpf resumed>) = 4 [pid 22560] <... futex resumed>) = 0 [pid 22561] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22560] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22561] <... futex resumed>) = 0 [pid 22560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22561] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22560] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22560] <... futex resumed>) = 0 [pid 22561] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22560] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22561] <... bpf resumed>) = 0 [pid 22560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22561] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22560] <... mmap resumed>) = 0x7f3b956ba000 [pid 22561] <... futex resumed>) = 0 [pid 22560] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22561] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22560] <... mprotect resumed>) = 0 [pid 22560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22562 attached => {parent_tid=[22150]}, 88) = 22150 [pid 22562] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22560] rt_sigprocmask(SIG_SETMASK, [], [pid 22562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22562] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22560] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22562] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22560] <... futex resumed>) = 0 [pid 22560] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22562] <... bpf resumed>) = 5 [pid 22562] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22560] <... futex resumed>) = 0 [pid 22562] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22560] close(3) = 0 [pid 22560] close(4) = 0 [pid 22560] close(5) = 0 [pid 22560] close(6) = -1 EBADF (Bad file descriptor) [pid 22560] close(7) = -1 EBADF (Bad file descriptor) [pid 22560] close(8) = -1 EBADF (Bad file descriptor) [pid 22560] close(9) = -1 EBADF (Bad file descriptor) [pid 22560] close(10) = -1 EBADF (Bad file descriptor) [pid 22560] close(11) = -1 EBADF (Bad file descriptor) [pid 22560] close(12) = -1 EBADF (Bad file descriptor) [pid 22560] close(13) = -1 EBADF (Bad file descriptor) [pid 22560] close(14) = -1 EBADF (Bad file descriptor) [pid 22560] close(15) = -1 EBADF (Bad file descriptor) [pid 22560] close(16) = -1 EBADF (Bad file descriptor) [pid 22560] close(17) = -1 EBADF (Bad file descriptor) [pid 22560] close(18) = -1 EBADF (Bad file descriptor) [pid 22560] close(19) = -1 EBADF (Bad file descriptor) [pid 22560] close(20) = -1 EBADF (Bad file descriptor) [pid 22560] close(21) = -1 EBADF (Bad file descriptor) [pid 22560] close(22) = -1 EBADF (Bad file descriptor) [pid 22560] close(23) = -1 EBADF (Bad file descriptor) [pid 22560] close(24) = -1 EBADF (Bad file descriptor) [pid 22560] close(25) = -1 EBADF (Bad file descriptor) [pid 22560] close(26) = -1 EBADF (Bad file descriptor) [pid 22560] close(27) = -1 EBADF (Bad file descriptor) [pid 22560] close(28) = -1 EBADF (Bad file descriptor) [pid 22560] close(29) = -1 EBADF (Bad file descriptor) [pid 22560] exit_group(0 [pid 22562] <... futex resumed>) = ? [pid 22561] <... futex resumed>) = ? [pid 22560] <... exit_group resumed>) = ? [pid 22561] +++ exited with 0 +++ [pid 22562] +++ exited with 0 +++ [pid 22560] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7652", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7652/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7652/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7652/cgroup.cpu") = 0 [pid 287] umount2("./7652/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7652/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7652/binderfs") = 0 [pid 287] umount2("./7652/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7652/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7652/cgroup") = 0 [pid 287] umount2("./7652/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7652/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7652/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7652") = 0 [pid 287] mkdir("./7653", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22563 attached [pid 22563] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22563] chdir("./7653" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22151 [pid 22563] <... chdir resumed>) = 0 [pid 22563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22563] setpgid(0, 0) = 0 [pid 22563] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22563] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22563] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22563] write(3, "1000", 4) = 4 [pid 22563] close(3) = 0 [pid 22563] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22563] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22563] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22563] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22563] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22564 attached [pid 22564] set_robust_list(0x7f3b956fb9a0, 24 [pid 22563] <... clone3 resumed> => {parent_tid=[22152]}, 88) = 22152 [pid 22564] <... set_robust_list resumed>) = 0 [pid 22563] rt_sigprocmask(SIG_SETMASK, [], [pid 22564] rt_sigprocmask(SIG_SETMASK, [], [pid 22563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22563] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22564] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22563] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22564] <... bpf resumed>) = 3 [pid 22564] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22563] <... futex resumed>) = 0 [pid 22564] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22563] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22563] <... futex resumed>) = 0 [pid 22564] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22563] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22564] <... bpf resumed>) = 4 [pid 22564] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22563] <... futex resumed>) = 0 [pid 22564] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22563] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22563] <... futex resumed>) = 0 [pid 22563] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22564] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22563] <... futex resumed>) = 0 [pid 22564] <... bpf resumed>) = 0 [pid 22563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22564] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22563] <... mmap resumed>) = 0x7f3b956ba000 [pid 22564] <... futex resumed>) = 0 [pid 22563] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22564] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22563] <... mprotect resumed>) = 0 [pid 22563] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22565 attached [pid 22565] set_robust_list(0x7f3b956da9a0, 24 [pid 22563] <... clone3 resumed> => {parent_tid=[22153]}, 88) = 22153 [pid 22565] <... set_robust_list resumed>) = 0 [pid 22565] rt_sigprocmask(SIG_SETMASK, [], [pid 22563] rt_sigprocmask(SIG_SETMASK, [], [pid 22565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22565] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22563] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22565] <... futex resumed>) = 0 [pid 22563] <... futex resumed>) = 1 [pid 22565] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22563] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22565] <... bpf resumed>) = 5 [pid 22565] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22563] <... futex resumed>) = 0 [pid 22565] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22563] close(3) = 0 [pid 22563] close(4) = 0 [pid 22563] close(5) = 0 [pid 22563] close(6) = -1 EBADF (Bad file descriptor) [pid 22563] close(7) = -1 EBADF (Bad file descriptor) [pid 22563] close(8) = -1 EBADF (Bad file descriptor) [pid 22563] close(9) = -1 EBADF (Bad file descriptor) [pid 22563] close(10) = -1 EBADF (Bad file descriptor) [pid 22563] close(11) = -1 EBADF (Bad file descriptor) [pid 22563] close(12) = -1 EBADF (Bad file descriptor) [pid 22563] close(13) = -1 EBADF (Bad file descriptor) [pid 22563] close(14) = -1 EBADF (Bad file descriptor) [pid 22563] close(15) = -1 EBADF (Bad file descriptor) [pid 22563] close(16) = -1 EBADF (Bad file descriptor) [pid 22563] close(17) = -1 EBADF (Bad file descriptor) [pid 22563] close(18) = -1 EBADF (Bad file descriptor) [pid 22563] close(19) = -1 EBADF (Bad file descriptor) [pid 22563] close(20) = -1 EBADF (Bad file descriptor) [pid 22563] close(21) = -1 EBADF (Bad file descriptor) [pid 22563] close(22) = -1 EBADF (Bad file descriptor) [pid 22563] close(23) = -1 EBADF (Bad file descriptor) [pid 22563] close(24) = -1 EBADF (Bad file descriptor) [pid 22563] close(25) = -1 EBADF (Bad file descriptor) [pid 22563] close(26) = -1 EBADF (Bad file descriptor) [pid 22563] close(27) = -1 EBADF (Bad file descriptor) [pid 22563] close(28) = -1 EBADF (Bad file descriptor) [pid 22563] close(29) = -1 EBADF (Bad file descriptor) [pid 22563] exit_group(0 [pid 22565] <... futex resumed>) = ? [pid 22564] <... futex resumed>) = ? [pid 22563] <... exit_group resumed>) = ? [pid 22565] +++ exited with 0 +++ [pid 22564] +++ exited with 0 +++ [pid 22563] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7653", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7653/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7653/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7653/cgroup.cpu") = 0 [pid 287] umount2("./7653/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7653/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7653/binderfs") = 0 [pid 287] umount2("./7653/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7653/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7653/cgroup") = 0 [pid 287] umount2("./7653/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7653/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7653/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7653") = 0 [pid 287] mkdir("./7654", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22566 attached [pid 22566] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22154 [pid 22566] chdir("./7654") = 0 [pid 22566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22566] setpgid(0, 0) = 0 [pid 22566] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22566] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22566] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22566] write(3, "1000", 4) = 4 [pid 22566] close(3) = 0 [pid 22566] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22566] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22566] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22566] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22567 attached [pid 22567] set_robust_list(0x7f3b956fb9a0, 24 [pid 22566] <... clone3 resumed> => {parent_tid=[22155]}, 88) = 22155 [pid 22566] rt_sigprocmask(SIG_SETMASK, [], [pid 22567] <... set_robust_list resumed>) = 0 [pid 22566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22567] rt_sigprocmask(SIG_SETMASK, [], [pid 22566] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22566] <... futex resumed>) = 0 [pid 22566] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22567] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22566] <... futex resumed>) = 0 [pid 22567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22566] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22566] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22567] <... bpf resumed>) = 4 [pid 22567] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22566] <... futex resumed>) = 0 [pid 22566] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22567] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22566] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22567] <... bpf resumed>) = 0 [pid 22566] <... futex resumed>) = 0 [pid 22567] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22567] <... futex resumed>) = 0 [pid 22566] <... mmap resumed>) = 0x7f3b956ba000 [pid 22566] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22567] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22566] <... mprotect resumed>) = 0 [pid 22566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22568 attached [pid 22568] set_robust_list(0x7f3b956da9a0, 24 [pid 22566] <... clone3 resumed> => {parent_tid=[22156]}, 88) = 22156 [pid 22566] rt_sigprocmask(SIG_SETMASK, [], [pid 22568] <... set_robust_list resumed>) = 0 [pid 22568] rt_sigprocmask(SIG_SETMASK, [], [pid 22566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22568] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22566] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22566] <... futex resumed>) = 0 [pid 22566] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22568] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22566] <... futex resumed>) = 0 [pid 22568] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22566] close(3) = 0 [pid 22566] close(4) = 0 [pid 22566] close(5) = 0 [pid 22566] close(6) = -1 EBADF (Bad file descriptor) [pid 22566] close(7) = -1 EBADF (Bad file descriptor) [pid 22566] close(8) = -1 EBADF (Bad file descriptor) [pid 22566] close(9) = -1 EBADF (Bad file descriptor) [pid 22566] close(10) = -1 EBADF (Bad file descriptor) [pid 22566] close(11) = -1 EBADF (Bad file descriptor) [pid 22566] close(12) = -1 EBADF (Bad file descriptor) [pid 22566] close(13) = -1 EBADF (Bad file descriptor) [pid 22566] close(14) = -1 EBADF (Bad file descriptor) [pid 22566] close(15) = -1 EBADF (Bad file descriptor) [pid 22566] close(16) = -1 EBADF (Bad file descriptor) [pid 22566] close(17) = -1 EBADF (Bad file descriptor) [pid 22566] close(18) = -1 EBADF (Bad file descriptor) [pid 22566] close(19) = -1 EBADF (Bad file descriptor) [pid 22566] close(20) = -1 EBADF (Bad file descriptor) [pid 22566] close(21) = -1 EBADF (Bad file descriptor) [pid 22566] close(22) = -1 EBADF (Bad file descriptor) [pid 22566] close(23) = -1 EBADF (Bad file descriptor) [pid 22566] close(24) = -1 EBADF (Bad file descriptor) [pid 22566] close(25) = -1 EBADF (Bad file descriptor) [pid 22566] close(26) = -1 EBADF (Bad file descriptor) [pid 22566] close(27) = -1 EBADF (Bad file descriptor) [pid 22566] close(28) = -1 EBADF (Bad file descriptor) [pid 22566] close(29) = -1 EBADF (Bad file descriptor) [pid 22566] exit_group(0 [pid 22568] <... futex resumed>) = ? [pid 22567] <... futex resumed>) = ? [pid 22566] <... exit_group resumed>) = ? [pid 22568] +++ exited with 0 +++ [pid 22567] +++ exited with 0 +++ [pid 22566] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7654", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7654/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7654/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7654/cgroup.cpu") = 0 [pid 287] umount2("./7654/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7654/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7654/binderfs") = 0 [pid 287] umount2("./7654/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7654/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7654/cgroup") = 0 [pid 287] umount2("./7654/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7654/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7654/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7654") = 0 [pid 287] mkdir("./7655", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22569 attached [pid 22569] set_robust_list(0x555555ae16a0, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22157 [pid 22569] <... set_robust_list resumed>) = 0 [pid 22569] chdir("./7655") = 0 [pid 22569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22569] setpgid(0, 0) = 0 [pid 22569] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22569] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22569] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22569] write(3, "1000", 4) = 4 [pid 22569] close(3) = 0 [pid 22569] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22569] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22569] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22569] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22569] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22570 attached [pid 22570] set_robust_list(0x7f3b956fb9a0, 24 [pid 22569] <... clone3 resumed> => {parent_tid=[22158]}, 88) = 22158 [pid 22570] <... set_robust_list resumed>) = 0 [pid 22569] rt_sigprocmask(SIG_SETMASK, [], [pid 22570] rt_sigprocmask(SIG_SETMASK, [], [pid 22569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22569] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22570] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22569] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22570] <... bpf resumed>) = 3 [pid 22570] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22569] <... futex resumed>) = 0 [pid 22570] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22569] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22569] <... futex resumed>) = 0 [pid 22570] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22569] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22570] <... bpf resumed>) = 4 [pid 22570] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22569] <... futex resumed>) = 0 [pid 22569] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22570] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22569] <... futex resumed>) = 0 [pid 22570] <... bpf resumed>) = 0 [pid 22569] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22570] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22569] <... futex resumed>) = 0 [pid 22569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22570] <... futex resumed>) = 0 [pid 22569] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22570] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22569] <... mprotect resumed>) = 0 [pid 22569] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22571 attached [pid 22571] set_robust_list(0x7f3b956da9a0, 24 [pid 22569] <... clone3 resumed> => {parent_tid=[22159]}, 88) = 22159 [pid 22569] rt_sigprocmask(SIG_SETMASK, [], [pid 22571] <... set_robust_list resumed>) = 0 [pid 22571] rt_sigprocmask(SIG_SETMASK, [], [pid 22569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22571] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22569] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22571] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22569] <... futex resumed>) = 0 [pid 22569] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22571] <... bpf resumed>) = 5 [pid 22571] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22569] <... futex resumed>) = 0 [pid 22571] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22569] close(3) = 0 [pid 22569] close(4) = 0 [pid 22569] close(5) = 0 [pid 22569] close(6) = -1 EBADF (Bad file descriptor) [pid 22569] close(7) = -1 EBADF (Bad file descriptor) [pid 22569] close(8) = -1 EBADF (Bad file descriptor) [pid 22569] close(9) = -1 EBADF (Bad file descriptor) [pid 22569] close(10) = -1 EBADF (Bad file descriptor) [pid 22569] close(11) = -1 EBADF (Bad file descriptor) [pid 22569] close(12) = -1 EBADF (Bad file descriptor) [pid 22569] close(13) = -1 EBADF (Bad file descriptor) [pid 22569] close(14) = -1 EBADF (Bad file descriptor) [pid 22569] close(15) = -1 EBADF (Bad file descriptor) [pid 22569] close(16) = -1 EBADF (Bad file descriptor) [pid 22569] close(17) = -1 EBADF (Bad file descriptor) [pid 22569] close(18) = -1 EBADF (Bad file descriptor) [pid 22569] close(19) = -1 EBADF (Bad file descriptor) [pid 22569] close(20) = -1 EBADF (Bad file descriptor) [pid 22569] close(21) = -1 EBADF (Bad file descriptor) [pid 22569] close(22) = -1 EBADF (Bad file descriptor) [pid 22569] close(23) = -1 EBADF (Bad file descriptor) [pid 22569] close(24) = -1 EBADF (Bad file descriptor) [pid 22569] close(25) = -1 EBADF (Bad file descriptor) [pid 22569] close(26) = -1 EBADF (Bad file descriptor) [pid 22569] close(27) = -1 EBADF (Bad file descriptor) [pid 22569] close(28) = -1 EBADF (Bad file descriptor) [pid 22569] close(29) = -1 EBADF (Bad file descriptor) [pid 22569] exit_group(0 [pid 22571] <... futex resumed>) = ? [pid 22570] <... futex resumed>) = ? [pid 22569] <... exit_group resumed>) = ? [pid 22570] +++ exited with 0 +++ [pid 22571] +++ exited with 0 +++ [pid 22569] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7655", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7655/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7655/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7655/cgroup.cpu") = 0 [pid 287] umount2("./7655/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7655/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7655/binderfs") = 0 [pid 287] umount2("./7655/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7655/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7655/cgroup") = 0 [pid 287] umount2("./7655/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7655/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7655/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7655") = 0 [pid 287] mkdir("./7656", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22572 attached , child_tidptr=0x555555ae1690) = 22160 [pid 22572] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22572] chdir("./7656") = 0 [pid 22572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22572] setpgid(0, 0) = 0 [pid 22572] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22572] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22572] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22572] write(3, "1000", 4) = 4 [pid 22572] close(3) = 0 [pid 22572] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22572] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22572] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22572] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22573 attached [pid 22573] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22573] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22572] <... clone3 resumed> => {parent_tid=[22161]}, 88) = 22161 [pid 22572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22572] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22573] <... futex resumed>) = 0 [pid 22572] <... futex resumed>) = 1 [pid 22573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22572] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22573] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22573] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22572] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22573] <... futex resumed>) = 0 [pid 22572] <... futex resumed>) = 1 [pid 22573] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22572] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22573] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22573] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22572] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22573] <... futex resumed>) = 0 [pid 22572] <... futex resumed>) = 1 [pid 22573] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22573] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22573] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22572] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22573] <... futex resumed>) = 0 [pid 22572] <... futex resumed>) = 1 [pid 22573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22572] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22573] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22573] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22572] close(3) = 0 [pid 22572] close(4) = 0 [pid 22572] close(5) = 0 [pid 22572] close(6) = -1 EBADF (Bad file descriptor) [pid 22572] close(7) = -1 EBADF (Bad file descriptor) [pid 22572] close(8) = -1 EBADF (Bad file descriptor) [pid 22572] close(9) = -1 EBADF (Bad file descriptor) [pid 22572] close(10) = -1 EBADF (Bad file descriptor) [pid 22572] close(11) = -1 EBADF (Bad file descriptor) [pid 22572] close(12) = -1 EBADF (Bad file descriptor) [pid 22572] close(13) = -1 EBADF (Bad file descriptor) [pid 22572] close(14) = -1 EBADF (Bad file descriptor) [pid 22572] close(15) = -1 EBADF (Bad file descriptor) [pid 22572] close(16) = -1 EBADF (Bad file descriptor) [pid 22572] close(17) = -1 EBADF (Bad file descriptor) [pid 22572] close(18) = -1 EBADF (Bad file descriptor) [pid 22572] close(19) = -1 EBADF (Bad file descriptor) [pid 22572] close(20) = -1 EBADF (Bad file descriptor) [pid 22572] close(21) = -1 EBADF (Bad file descriptor) [pid 22572] close(22) = -1 EBADF (Bad file descriptor) [pid 22572] close(23) = -1 EBADF (Bad file descriptor) [pid 22572] close(24) = -1 EBADF (Bad file descriptor) [pid 22572] close(25) = -1 EBADF (Bad file descriptor) [pid 22572] close(26) = -1 EBADF (Bad file descriptor) [pid 22572] close(27) = -1 EBADF (Bad file descriptor) [pid 22572] close(28) = -1 EBADF (Bad file descriptor) [pid 22572] close(29) = -1 EBADF (Bad file descriptor) [pid 22572] exit_group(0 [pid 22573] <... futex resumed>) = ? [pid 22573] +++ exited with 0 +++ [pid 22572] <... exit_group resumed>) = ? [pid 22572] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7656", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7656/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7656/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7656/cgroup.cpu") = 0 [pid 287] umount2("./7656/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7656/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7656/binderfs") = 0 [pid 287] umount2("./7656/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7656/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7656/cgroup") = 0 [pid 287] umount2("./7656/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7656/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7656/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7656") = 0 [pid 287] mkdir("./7657", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22162 ./strace-static-x86_64: Process 22574 attached [pid 22574] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22574] chdir("./7657") = 0 [pid 22574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22574] setpgid(0, 0) = 0 [pid 22574] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22574] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22574] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22574] write(3, "1000", 4) = 4 [pid 22574] close(3) = 0 [pid 22574] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22574] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22574] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22574] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22575 attached [pid 22575] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22574] <... clone3 resumed> => {parent_tid=[22163]}, 88) = 22163 [pid 22575] rt_sigprocmask(SIG_SETMASK, [], [pid 22574] rt_sigprocmask(SIG_SETMASK, [], [pid 22575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22575] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22574] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22574] <... futex resumed>) = 0 [pid 22575] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22574] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22575] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22575] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22574] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22575] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22574] <... futex resumed>) = 0 [pid 22575] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22574] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22575] <... futex resumed>) = 0 [pid 22574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22575] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22574] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22574] <... futex resumed>) = 0 [pid 22575] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22574] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22575] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22574] <... futex resumed>) = 0 [pid 22575] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22574] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22576 attached [pid 22576] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22576] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22574] <... clone3 resumed> => {parent_tid=[22164]}, 88) = 22164 [pid 22574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22574] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22576] <... futex resumed>) = 0 [pid 22574] <... futex resumed>) = 1 [pid 22576] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22574] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22576] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22576] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22574] close(3) = 0 [pid 22574] close(4) = 0 [pid 22574] close(5) = 0 [pid 22574] close(6) = -1 EBADF (Bad file descriptor) [pid 22574] close(7) = -1 EBADF (Bad file descriptor) [pid 22574] close(8) = -1 EBADF (Bad file descriptor) [pid 22574] close(9) = -1 EBADF (Bad file descriptor) [pid 22574] close(10) = -1 EBADF (Bad file descriptor) [pid 22574] close(11) = -1 EBADF (Bad file descriptor) [pid 22574] close(12) = -1 EBADF (Bad file descriptor) [pid 22574] close(13) = -1 EBADF (Bad file descriptor) [pid 22574] close(14) = -1 EBADF (Bad file descriptor) [pid 22574] close(15) = -1 EBADF (Bad file descriptor) [pid 22574] close(16) = -1 EBADF (Bad file descriptor) [pid 22574] close(17) = -1 EBADF (Bad file descriptor) [pid 22574] close(18) = -1 EBADF (Bad file descriptor) [pid 22574] close(19) = -1 EBADF (Bad file descriptor) [pid 22574] close(20) = -1 EBADF (Bad file descriptor) [pid 22574] close(21) = -1 EBADF (Bad file descriptor) [pid 22574] close(22) = -1 EBADF (Bad file descriptor) [pid 22574] close(23) = -1 EBADF (Bad file descriptor) [pid 22574] close(24) = -1 EBADF (Bad file descriptor) [pid 22574] close(25) = -1 EBADF (Bad file descriptor) [pid 22574] close(26) = -1 EBADF (Bad file descriptor) [pid 22574] close(27) = -1 EBADF (Bad file descriptor) [pid 22574] close(28) = -1 EBADF (Bad file descriptor) [pid 22574] close(29) = -1 EBADF (Bad file descriptor) [pid 22574] exit_group(0 [pid 22576] <... futex resumed>) = ? [pid 22575] <... futex resumed>) = ? [pid 22574] <... exit_group resumed>) = ? [pid 22576] +++ exited with 0 +++ [pid 22575] +++ exited with 0 +++ [pid 22574] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7657", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7657/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7657/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7657/cgroup.cpu") = 0 [pid 287] umount2("./7657/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7657/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7657/binderfs") = 0 [pid 287] umount2("./7657/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7657/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7657/cgroup") = 0 [pid 287] umount2("./7657/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7657/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7657/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7657") = 0 [pid 287] mkdir("./7658", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22577 attached [pid 22577] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22577] chdir("./7658") = 0 [pid 22577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22577] setpgid(0, 0) = 0 [pid 22577] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22165 [pid 22577] <... symlink resumed>) = 0 [pid 22577] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22577] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22577] write(3, "1000", 4) = 4 [pid 22577] close(3) = 0 [pid 22577] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22577] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22577] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22577] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22578 attached => {parent_tid=[22166]}, 88) = 22166 [pid 22578] set_robust_list(0x7f3b956fb9a0, 24 [pid 22577] rt_sigprocmask(SIG_SETMASK, [], [pid 22578] <... set_robust_list resumed>) = 0 [pid 22577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22578] rt_sigprocmask(SIG_SETMASK, [], [pid 22577] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22577] <... futex resumed>) = 0 [pid 22577] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22578] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22578] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22577] <... futex resumed>) = 0 [pid 22578] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22577] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22577] <... futex resumed>) = 0 [pid 22577] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22578] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22578] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22577] <... futex resumed>) = 0 [pid 22578] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22577] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22577] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22578] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22577] <... futex resumed>) = 0 [pid 22578] <... bpf resumed>) = 0 [pid 22577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22578] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22577] <... mmap resumed>) = 0x7f3b956ba000 [pid 22578] <... futex resumed>) = 0 [pid 22577] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22578] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22577] <... mprotect resumed>) = 0 [pid 22577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22579 attached [pid 22579] set_robust_list(0x7f3b956da9a0, 24 [pid 22577] <... clone3 resumed> => {parent_tid=[22167]}, 88) = 22167 [pid 22579] <... set_robust_list resumed>) = 0 [pid 22577] rt_sigprocmask(SIG_SETMASK, [], [pid 22579] rt_sigprocmask(SIG_SETMASK, [], [pid 22577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22579] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22577] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22579] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22577] <... futex resumed>) = 0 [pid 22577] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22579] <... bpf resumed>) = 5 [pid 22579] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22579] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22577] <... futex resumed>) = 0 [pid 22577] close(3) = 0 [pid 22577] close(4) = 0 [pid 22577] close(5) = 0 [pid 22577] close(6) = -1 EBADF (Bad file descriptor) [pid 22577] close(7) = -1 EBADF (Bad file descriptor) [pid 22577] close(8) = -1 EBADF (Bad file descriptor) [pid 22577] close(9) = -1 EBADF (Bad file descriptor) [pid 22577] close(10) = -1 EBADF (Bad file descriptor) [pid 22577] close(11) = -1 EBADF (Bad file descriptor) [pid 22577] close(12) = -1 EBADF (Bad file descriptor) [pid 22577] close(13) = -1 EBADF (Bad file descriptor) [pid 22577] close(14) = -1 EBADF (Bad file descriptor) [pid 22577] close(15) = -1 EBADF (Bad file descriptor) [pid 22577] close(16) = -1 EBADF (Bad file descriptor) [pid 22577] close(17) = -1 EBADF (Bad file descriptor) [pid 22577] close(18) = -1 EBADF (Bad file descriptor) [pid 22577] close(19) = -1 EBADF (Bad file descriptor) [pid 22577] close(20) = -1 EBADF (Bad file descriptor) [pid 22577] close(21) = -1 EBADF (Bad file descriptor) [pid 22577] close(22) = -1 EBADF (Bad file descriptor) [pid 22577] close(23) = -1 EBADF (Bad file descriptor) [pid 22577] close(24) = -1 EBADF (Bad file descriptor) [pid 22577] close(25) = -1 EBADF (Bad file descriptor) [pid 22577] close(26) = -1 EBADF (Bad file descriptor) [pid 22577] close(27) = -1 EBADF (Bad file descriptor) [pid 22577] close(28) = -1 EBADF (Bad file descriptor) [pid 22577] close(29) = -1 EBADF (Bad file descriptor) [pid 22577] exit_group(0 [pid 22579] <... futex resumed>) = ? [pid 22578] <... futex resumed>) = ? [pid 22577] <... exit_group resumed>) = ? [pid 22579] +++ exited with 0 +++ [pid 22578] +++ exited with 0 +++ [pid 22577] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7658", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7658/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7658/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7658/cgroup.cpu") = 0 [pid 287] umount2("./7658/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7658/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7658/binderfs") = 0 [pid 287] umount2("./7658/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7658/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7658/cgroup") = 0 [pid 287] umount2("./7658/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7658/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7658/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7658") = 0 [pid 287] mkdir("./7659", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22168 ./strace-static-x86_64: Process 22580 attached [pid 22580] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22580] chdir("./7659") = 0 [pid 22580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22580] setpgid(0, 0) = 0 [pid 22580] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22580] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22580] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22580] write(3, "1000", 4) = 4 [pid 22580] close(3) = 0 [pid 22580] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22580] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22580] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22580] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22581 attached [pid 22581] set_robust_list(0x7f3b956fb9a0, 24 [pid 22580] <... clone3 resumed> => {parent_tid=[22169]}, 88) = 22169 [pid 22581] <... set_robust_list resumed>) = 0 [pid 22580] rt_sigprocmask(SIG_SETMASK, [], [pid 22581] rt_sigprocmask(SIG_SETMASK, [], [pid 22580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22580] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22581] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22580] <... futex resumed>) = 0 [pid 22581] <... bpf resumed>) = 3 [pid 22580] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22581] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22581] <... futex resumed>) = 0 [pid 22580] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22581] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22580] <... futex resumed>) = 0 [pid 22581] <... bpf resumed>) = 4 [pid 22580] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22581] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22581] <... futex resumed>) = 0 [pid 22580] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22581] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22580] <... futex resumed>) = 0 [pid 22581] <... bpf resumed>) = 0 [pid 22580] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22581] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22580] <... futex resumed>) = 0 [pid 22581] <... futex resumed>) = 0 [pid 22580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22581] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22580] <... mmap resumed>) = 0x7f3b956ba000 [pid 22580] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22582 attached => {parent_tid=[22170]}, 88) = 22170 [pid 22580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22580] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22582] set_robust_list(0x7f3b956da9a0, 24 [pid 22580] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22582] <... set_robust_list resumed>) = 0 [pid 22582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22582] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22582] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22580] <... futex resumed>) = 0 [pid 22582] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22580] close(3) = 0 [pid 22580] close(4) = 0 [pid 22580] close(5) = 0 [pid 22580] close(6) = -1 EBADF (Bad file descriptor) [pid 22580] close(7) = -1 EBADF (Bad file descriptor) [pid 22580] close(8) = -1 EBADF (Bad file descriptor) [pid 22580] close(9) = -1 EBADF (Bad file descriptor) [pid 22580] close(10) = -1 EBADF (Bad file descriptor) [pid 22580] close(11) = -1 EBADF (Bad file descriptor) [pid 22580] close(12) = -1 EBADF (Bad file descriptor) [pid 22580] close(13) = -1 EBADF (Bad file descriptor) [pid 22580] close(14) = -1 EBADF (Bad file descriptor) [pid 22580] close(15) = -1 EBADF (Bad file descriptor) [pid 22580] close(16) = -1 EBADF (Bad file descriptor) [pid 22580] close(17) = -1 EBADF (Bad file descriptor) [pid 22580] close(18) = -1 EBADF (Bad file descriptor) [pid 22580] close(19) = -1 EBADF (Bad file descriptor) [pid 22580] close(20) = -1 EBADF (Bad file descriptor) [pid 22580] close(21) = -1 EBADF (Bad file descriptor) [pid 22580] close(22) = -1 EBADF (Bad file descriptor) [pid 22580] close(23) = -1 EBADF (Bad file descriptor) [pid 22580] close(24) = -1 EBADF (Bad file descriptor) [pid 22580] close(25) = -1 EBADF (Bad file descriptor) [pid 22580] close(26) = -1 EBADF (Bad file descriptor) [pid 22580] close(27) = -1 EBADF (Bad file descriptor) [pid 22580] close(28) = -1 EBADF (Bad file descriptor) [pid 22580] close(29) = -1 EBADF (Bad file descriptor) [pid 22580] exit_group(0 [pid 22582] <... futex resumed>) = ? [pid 22581] <... futex resumed>) = ? [pid 22580] <... exit_group resumed>) = ? [pid 22582] +++ exited with 0 +++ [pid 22581] +++ exited with 0 +++ [pid 22580] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7659", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7659/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7659/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7659/cgroup.cpu") = 0 [pid 287] umount2("./7659/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7659/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7659/binderfs") = 0 [pid 287] umount2("./7659/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7659/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7659/cgroup") = 0 [pid 287] umount2("./7659/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7659/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7659/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7659") = 0 [pid 287] mkdir("./7660", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22171 ./strace-static-x86_64: Process 22583 attached [pid 22583] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22583] chdir("./7660") = 0 [pid 22583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22583] setpgid(0, 0) = 0 [pid 22583] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22583] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22583] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22583] write(3, "1000", 4) = 4 [pid 22583] close(3) = 0 [pid 22583] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22583] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22583] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22583] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22584 attached [pid 22584] set_robust_list(0x7f3b956fb9a0, 24 [pid 22583] <... clone3 resumed> => {parent_tid=[22172]}, 88) = 22172 [pid 22584] <... set_robust_list resumed>) = 0 [pid 22584] rt_sigprocmask(SIG_SETMASK, [], [pid 22583] rt_sigprocmask(SIG_SETMASK, [], [pid 22584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22584] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22583] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22584] <... futex resumed>) = 0 [pid 22583] <... futex resumed>) = 1 [pid 22584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22583] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22584] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22584] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22583] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22584] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22583] <... futex resumed>) = 0 [pid 22584] <... bpf resumed>) = 4 [pid 22584] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22583] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22584] <... futex resumed>) = 0 [pid 22583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22584] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22583] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22584] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22583] <... futex resumed>) = 0 [pid 22584] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22583] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22583] <... futex resumed>) = 0 [pid 22584] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22583] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22584] <... futex resumed>) = 0 [pid 22584] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22583] close(3) = 0 [pid 22583] close(4) = 0 [pid 22583] close(5) = 0 [pid 22583] close(6) = -1 EBADF (Bad file descriptor) [pid 22583] close(7) = -1 EBADF (Bad file descriptor) [pid 22583] close(8) = -1 EBADF (Bad file descriptor) [pid 22583] close(9) = -1 EBADF (Bad file descriptor) [pid 22583] close(10) = -1 EBADF (Bad file descriptor) [pid 22583] close(11) = -1 EBADF (Bad file descriptor) [pid 22583] close(12) = -1 EBADF (Bad file descriptor) [pid 22583] close(13) = -1 EBADF (Bad file descriptor) [pid 22583] close(14) = -1 EBADF (Bad file descriptor) [pid 22583] close(15) = -1 EBADF (Bad file descriptor) [pid 22583] close(16) = -1 EBADF (Bad file descriptor) [pid 22583] close(17) = -1 EBADF (Bad file descriptor) [pid 22583] close(18) = -1 EBADF (Bad file descriptor) [pid 22583] close(19) = -1 EBADF (Bad file descriptor) [pid 22583] close(20) = -1 EBADF (Bad file descriptor) [pid 22583] close(21) = -1 EBADF (Bad file descriptor) [pid 22583] close(22) = -1 EBADF (Bad file descriptor) [pid 22583] close(23) = -1 EBADF (Bad file descriptor) [pid 22583] close(24) = -1 EBADF (Bad file descriptor) [pid 22583] close(25) = -1 EBADF (Bad file descriptor) [pid 22583] close(26) = -1 EBADF (Bad file descriptor) [pid 22583] close(27) = -1 EBADF (Bad file descriptor) [pid 22583] close(28) = -1 EBADF (Bad file descriptor) [pid 22583] close(29) = -1 EBADF (Bad file descriptor) [pid 22583] exit_group(0 [pid 22584] <... futex resumed>) = ? [pid 22583] <... exit_group resumed>) = ? [pid 22584] +++ exited with 0 +++ [pid 22583] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7660", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7660/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7660/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7660/cgroup.cpu") = 0 [pid 287] umount2("./7660/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7660/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7660/binderfs") = 0 [pid 287] umount2("./7660/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7660/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7660/cgroup") = 0 [pid 287] umount2("./7660/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7660/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7660/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7660") = 0 [pid 287] mkdir("./7661", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22173 ./strace-static-x86_64: Process 22585 attached [pid 22585] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22585] chdir("./7661") = 0 [pid 22585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22585] setpgid(0, 0) = 0 [pid 22585] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22585] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22585] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22585] write(3, "1000", 4) = 4 [pid 22585] close(3) = 0 [pid 22585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22585] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22585] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22585] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22586 attached [pid 22586] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22585] <... clone3 resumed> => {parent_tid=[22174]}, 88) = 22174 [pid 22586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22585] rt_sigprocmask(SIG_SETMASK, [], [pid 22586] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22585] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22586] <... futex resumed>) = 0 [pid 22585] <... futex resumed>) = 1 [pid 22586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22585] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22586] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22586] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22585] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22586] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22585] <... futex resumed>) = 0 [pid 22586] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22585] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22586] <... futex resumed>) = 0 [pid 22585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22586] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22585] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22585] <... futex resumed>) = 0 [pid 22586] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22585] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22586] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22586] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22585] <... futex resumed>) = 0 [pid 22585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22585] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22587 attached [pid 22587] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22587] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22585] <... clone3 resumed> => {parent_tid=[22175]}, 88) = 22175 [pid 22585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22585] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22587] <... futex resumed>) = 0 [pid 22585] <... futex resumed>) = 1 [pid 22587] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22585] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22587] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22587] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22585] close(3) = 0 [pid 22585] close(4) = 0 [pid 22585] close(5) = 0 [pid 22585] close(6) = -1 EBADF (Bad file descriptor) [pid 22585] close(7) = -1 EBADF (Bad file descriptor) [pid 22585] close(8) = -1 EBADF (Bad file descriptor) [pid 22585] close(9) = -1 EBADF (Bad file descriptor) [pid 22585] close(10) = -1 EBADF (Bad file descriptor) [pid 22585] close(11) = -1 EBADF (Bad file descriptor) [pid 22585] close(12) = -1 EBADF (Bad file descriptor) [pid 22585] close(13) = -1 EBADF (Bad file descriptor) [pid 22585] close(14) = -1 EBADF (Bad file descriptor) [pid 22585] close(15) = -1 EBADF (Bad file descriptor) [pid 22585] close(16) = -1 EBADF (Bad file descriptor) [pid 22585] close(17) = -1 EBADF (Bad file descriptor) [pid 22585] close(18) = -1 EBADF (Bad file descriptor) [pid 22585] close(19) = -1 EBADF (Bad file descriptor) [pid 22585] close(20) = -1 EBADF (Bad file descriptor) [pid 22585] close(21) = -1 EBADF (Bad file descriptor) [pid 22585] close(22) = -1 EBADF (Bad file descriptor) [pid 22585] close(23) = -1 EBADF (Bad file descriptor) [pid 22585] close(24) = -1 EBADF (Bad file descriptor) [pid 22585] close(25) = -1 EBADF (Bad file descriptor) [pid 22585] close(26) = -1 EBADF (Bad file descriptor) [pid 22585] close(27) = -1 EBADF (Bad file descriptor) [pid 22585] close(28) = -1 EBADF (Bad file descriptor) [pid 22585] close(29) = -1 EBADF (Bad file descriptor) [pid 22585] exit_group(0 [pid 22587] <... futex resumed>) = ? [pid 22586] <... futex resumed>) = ? [pid 22585] <... exit_group resumed>) = ? [pid 22587] +++ exited with 0 +++ [pid 22586] +++ exited with 0 +++ [pid 22585] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7661", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7661/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7661/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7661/cgroup.cpu") = 0 [pid 287] umount2("./7661/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7661/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7661/binderfs") = 0 [pid 287] umount2("./7661/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7661/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7661/cgroup") = 0 [pid 287] umount2("./7661/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7661/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7661/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7661") = 0 [pid 287] mkdir("./7662", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22588 attached [pid 22588] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22176 [pid 22588] chdir("./7662") = 0 [pid 22588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22588] setpgid(0, 0) = 0 [pid 22588] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22588] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22588] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22588] write(3, "1000", 4) = 4 [pid 22588] close(3) = 0 [pid 22588] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22588] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22588] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22588] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22589 attached [pid 22589] set_robust_list(0x7f3b956fb9a0, 24 [pid 22588] <... clone3 resumed> => {parent_tid=[22177]}, 88) = 22177 [pid 22589] <... set_robust_list resumed>) = 0 [pid 22588] rt_sigprocmask(SIG_SETMASK, [], [pid 22589] rt_sigprocmask(SIG_SETMASK, [], [pid 22588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22588] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22588] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22589] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22589] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22588] <... futex resumed>) = 0 [pid 22589] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22588] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22588] <... futex resumed>) = 0 [pid 22589] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22588] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22589] <... bpf resumed>) = 4 [pid 22589] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22588] <... futex resumed>) = 0 [pid 22589] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22588] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22588] <... futex resumed>) = 0 [pid 22589] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22588] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22589] <... bpf resumed>) = 0 [pid 22588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22589] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22588] <... mmap resumed>) = 0x7f3b956ba000 [pid 22589] <... futex resumed>) = 0 [pid 22588] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22589] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22588] <... mprotect resumed>) = 0 [pid 22588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22590 attached [pid 22590] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22588] <... clone3 resumed> => {parent_tid=[22178]}, 88) = 22178 [pid 22590] rt_sigprocmask(SIG_SETMASK, [], [pid 22588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22590] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22588] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22590] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22588] <... futex resumed>) = 0 [pid 22588] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22590] <... bpf resumed>) = 5 [pid 22590] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22588] <... futex resumed>) = 0 [pid 22590] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22588] close(3) = 0 [pid 22588] close(4) = 0 [pid 22588] close(5) = 0 [pid 22588] close(6) = -1 EBADF (Bad file descriptor) [pid 22588] close(7) = -1 EBADF (Bad file descriptor) [pid 22588] close(8) = -1 EBADF (Bad file descriptor) [pid 22588] close(9) = -1 EBADF (Bad file descriptor) [pid 22588] close(10) = -1 EBADF (Bad file descriptor) [pid 22588] close(11) = -1 EBADF (Bad file descriptor) [pid 22588] close(12) = -1 EBADF (Bad file descriptor) [pid 22588] close(13) = -1 EBADF (Bad file descriptor) [pid 22588] close(14) = -1 EBADF (Bad file descriptor) [pid 22588] close(15) = -1 EBADF (Bad file descriptor) [pid 22588] close(16) = -1 EBADF (Bad file descriptor) [pid 22588] close(17) = -1 EBADF (Bad file descriptor) [pid 22588] close(18) = -1 EBADF (Bad file descriptor) [pid 22588] close(19) = -1 EBADF (Bad file descriptor) [pid 22588] close(20) = -1 EBADF (Bad file descriptor) [pid 22588] close(21) = -1 EBADF (Bad file descriptor) [pid 22588] close(22) = -1 EBADF (Bad file descriptor) [pid 22588] close(23) = -1 EBADF (Bad file descriptor) [pid 22588] close(24) = -1 EBADF (Bad file descriptor) [pid 22588] close(25) = -1 EBADF (Bad file descriptor) [pid 22588] close(26) = -1 EBADF (Bad file descriptor) [pid 22588] close(27) = -1 EBADF (Bad file descriptor) [pid 22588] close(28) = -1 EBADF (Bad file descriptor) [pid 22588] close(29) = -1 EBADF (Bad file descriptor) [pid 22588] exit_group(0 [pid 22590] <... futex resumed>) = ? [pid 22589] <... futex resumed>) = ? [pid 22588] <... exit_group resumed>) = ? [pid 22590] +++ exited with 0 +++ [pid 22589] +++ exited with 0 +++ [pid 22588] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7662", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7662/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7662/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7662/cgroup.cpu") = 0 [pid 287] umount2("./7662/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7662/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7662/binderfs") = 0 [pid 287] umount2("./7662/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7662/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7662/cgroup") = 0 [pid 287] umount2("./7662/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7662/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7662/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7662") = 0 [pid 287] mkdir("./7663", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22591 attached [pid 22591] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22591] chdir("./7663") = 0 [pid 22591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22591] setpgid(0, 0) = 0 [pid 22591] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22179 [pid 22591] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22591] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22591] write(3, "1000", 4) = 4 [pid 22591] close(3) = 0 [pid 22591] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22591] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22591] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22591] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22592 attached [pid 22592] set_robust_list(0x7f3b956fb9a0, 24 [pid 22591] <... clone3 resumed> => {parent_tid=[22180]}, 88) = 22180 [pid 22592] <... set_robust_list resumed>) = 0 [pid 22591] rt_sigprocmask(SIG_SETMASK, [], [pid 22592] rt_sigprocmask(SIG_SETMASK, [], [pid 22591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22591] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22592] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22591] <... futex resumed>) = 0 [pid 22592] <... bpf resumed>) = 3 [pid 22591] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22592] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22592] <... futex resumed>) = 0 [pid 22591] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22592] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22591] <... futex resumed>) = 0 [pid 22592] <... bpf resumed>) = 4 [pid 22591] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22592] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22592] <... futex resumed>) = 0 [pid 22591] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22592] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22591] <... futex resumed>) = 0 [pid 22592] <... bpf resumed>) = 0 [pid 22591] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22592] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22591] <... futex resumed>) = 0 [pid 22592] <... futex resumed>) = 0 [pid 22591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22592] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22591] <... mmap resumed>) = 0x7f3b956ba000 [pid 22591] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22593 attached [pid 22593] set_robust_list(0x7f3b956da9a0, 24 [pid 22591] <... clone3 resumed> => {parent_tid=[22181]}, 88) = 22181 [pid 22593] <... set_robust_list resumed>) = 0 [pid 22591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22591] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22593] rt_sigprocmask(SIG_SETMASK, [], [pid 22591] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22593] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22593] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22591] <... futex resumed>) = 0 [pid 22593] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22591] close(3) = 0 [pid 22591] close(4) = 0 [pid 22591] close(5) = 0 [pid 22591] close(6) = -1 EBADF (Bad file descriptor) [pid 22591] close(7) = -1 EBADF (Bad file descriptor) [pid 22591] close(8) = -1 EBADF (Bad file descriptor) [pid 22591] close(9) = -1 EBADF (Bad file descriptor) [pid 22591] close(10) = -1 EBADF (Bad file descriptor) [pid 22591] close(11) = -1 EBADF (Bad file descriptor) [pid 22591] close(12) = -1 EBADF (Bad file descriptor) [pid 22591] close(13) = -1 EBADF (Bad file descriptor) [pid 22591] close(14) = -1 EBADF (Bad file descriptor) [pid 22591] close(15) = -1 EBADF (Bad file descriptor) [pid 22591] close(16) = -1 EBADF (Bad file descriptor) [pid 22591] close(17) = -1 EBADF (Bad file descriptor) [pid 22591] close(18) = -1 EBADF (Bad file descriptor) [pid 22591] close(19) = -1 EBADF (Bad file descriptor) [pid 22591] close(20) = -1 EBADF (Bad file descriptor) [pid 22591] close(21) = -1 EBADF (Bad file descriptor) [pid 22591] close(22) = -1 EBADF (Bad file descriptor) [pid 22591] close(23) = -1 EBADF (Bad file descriptor) [pid 22591] close(24) = -1 EBADF (Bad file descriptor) [pid 22591] close(25) = -1 EBADF (Bad file descriptor) [pid 22591] close(26) = -1 EBADF (Bad file descriptor) [pid 22591] close(27) = -1 EBADF (Bad file descriptor) [pid 22591] close(28) = -1 EBADF (Bad file descriptor) [pid 22591] close(29) = -1 EBADF (Bad file descriptor) [pid 22591] exit_group(0 [pid 22593] <... futex resumed>) = ? [pid 22592] <... futex resumed>) = ? [pid 22591] <... exit_group resumed>) = ? [pid 22593] +++ exited with 0 +++ [pid 22592] +++ exited with 0 +++ [pid 22591] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7663", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7663/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7663/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7663/cgroup.cpu") = 0 [pid 287] umount2("./7663/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7663/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7663/binderfs") = 0 [pid 287] umount2("./7663/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7663/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7663/cgroup") = 0 [pid 287] umount2("./7663/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7663/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7663/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7663") = 0 [pid 287] mkdir("./7664", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22594 attached [pid 22594] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22594] chdir("./7664") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22182 [pid 22594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22594] setpgid(0, 0) = 0 [pid 22594] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22594] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22594] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22594] write(3, "1000", 4) = 4 [pid 22594] close(3) = 0 [pid 22594] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22594] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22594] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22594] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22595 attached => {parent_tid=[22183]}, 88) = 22183 [pid 22595] set_robust_list(0x7f3b956fb9a0, 24 [pid 22594] rt_sigprocmask(SIG_SETMASK, [], [pid 22595] <... set_robust_list resumed>) = 0 [pid 22594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22595] rt_sigprocmask(SIG_SETMASK, [], [pid 22594] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22594] <... futex resumed>) = 0 [pid 22594] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22595] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22595] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22594] <... futex resumed>) = 0 [pid 22595] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22594] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22594] <... futex resumed>) = 0 [pid 22595] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22594] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22595] <... bpf resumed>) = 4 [pid 22595] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22594] <... futex resumed>) = 0 [pid 22595] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22594] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22594] <... futex resumed>) = 0 [pid 22595] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22594] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22595] <... bpf resumed>) = 0 [pid 22594] <... futex resumed>) = 0 [pid 22595] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22594] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22595] <... futex resumed>) = 0 [pid 22594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22595] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22596 attached [pid 22596] set_robust_list(0x7f3b956da9a0, 24 [pid 22594] <... clone3 resumed> => {parent_tid=[22184]}, 88) = 22184 [pid 22596] <... set_robust_list resumed>) = 0 [pid 22596] rt_sigprocmask(SIG_SETMASK, [], [pid 22594] rt_sigprocmask(SIG_SETMASK, [], [pid 22596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22594] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22594] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22596] <... bpf resumed>) = 5 [pid 22596] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22594] <... futex resumed>) = 0 [pid 22596] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22594] close(3) = 0 [pid 22594] close(4) = 0 [pid 22594] close(5) = 0 [pid 22594] close(6) = -1 EBADF (Bad file descriptor) [pid 22594] close(7) = -1 EBADF (Bad file descriptor) [pid 22594] close(8) = -1 EBADF (Bad file descriptor) [pid 22594] close(9) = -1 EBADF (Bad file descriptor) [pid 22594] close(10) = -1 EBADF (Bad file descriptor) [pid 22594] close(11) = -1 EBADF (Bad file descriptor) [pid 22594] close(12) = -1 EBADF (Bad file descriptor) [pid 22594] close(13) = -1 EBADF (Bad file descriptor) [pid 22594] close(14) = -1 EBADF (Bad file descriptor) [pid 22594] close(15) = -1 EBADF (Bad file descriptor) [pid 22594] close(16) = -1 EBADF (Bad file descriptor) [pid 22594] close(17) = -1 EBADF (Bad file descriptor) [pid 22594] close(18) = -1 EBADF (Bad file descriptor) [pid 22594] close(19) = -1 EBADF (Bad file descriptor) [pid 22594] close(20) = -1 EBADF (Bad file descriptor) [pid 22594] close(21) = -1 EBADF (Bad file descriptor) [pid 22594] close(22) = -1 EBADF (Bad file descriptor) [pid 22594] close(23) = -1 EBADF (Bad file descriptor) [pid 22594] close(24) = -1 EBADF (Bad file descriptor) [pid 22594] close(25) = -1 EBADF (Bad file descriptor) [pid 22594] close(26) = -1 EBADF (Bad file descriptor) [pid 22594] close(27) = -1 EBADF (Bad file descriptor) [pid 22594] close(28) = -1 EBADF (Bad file descriptor) [pid 22594] close(29) = -1 EBADF (Bad file descriptor) [pid 22594] exit_group(0 [pid 22595] <... futex resumed>) = ? [pid 22594] <... exit_group resumed>) = ? [pid 22595] +++ exited with 0 +++ [pid 22596] <... futex resumed>) = ? [pid 22596] +++ exited with 0 +++ [pid 22594] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7664", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7664/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7664/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7664/cgroup.cpu") = 0 [pid 287] umount2("./7664/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7664/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7664/binderfs") = 0 [pid 287] umount2("./7664/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7664/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7664/cgroup") = 0 [pid 287] umount2("./7664/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7664/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7664/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7664") = 0 [pid 287] mkdir("./7665", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22185 ./strace-static-x86_64: Process 22597 attached [pid 22597] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22597] chdir("./7665") = 0 [pid 22597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22597] setpgid(0, 0) = 0 [pid 22597] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22597] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22597] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22597] write(3, "1000", 4) = 4 [pid 22597] close(3) = 0 [pid 22597] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22597] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22597] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22597] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22598 attached [pid 22598] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22597] <... clone3 resumed> => {parent_tid=[22186]}, 88) = 22186 [pid 22598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22597] rt_sigprocmask(SIG_SETMASK, [], [pid 22598] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22597] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22598] <... futex resumed>) = 0 [pid 22597] <... futex resumed>) = 1 [pid 22598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22597] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22598] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22598] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22597] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22597] <... futex resumed>) = 0 [pid 22598] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22597] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22598] <... futex resumed>) = 0 [pid 22597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22598] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22597] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22597] <... futex resumed>) = 0 [pid 22598] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22597] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22598] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22597] <... futex resumed>) = 0 [pid 22598] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22597] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22599 attached [pid 22599] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22599] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22597] <... clone3 resumed> => {parent_tid=[22187]}, 88) = 22187 [pid 22597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22597] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22599] <... futex resumed>) = 0 [pid 22597] <... futex resumed>) = 1 [pid 22599] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22597] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22599] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22599] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22597] close(3) = 0 [pid 22597] close(4) = 0 [pid 22597] close(5) = 0 [pid 22597] close(6) = -1 EBADF (Bad file descriptor) [pid 22597] close(7) = -1 EBADF (Bad file descriptor) [pid 22597] close(8) = -1 EBADF (Bad file descriptor) [pid 22597] close(9) = -1 EBADF (Bad file descriptor) [pid 22597] close(10) = -1 EBADF (Bad file descriptor) [pid 22597] close(11) = -1 EBADF (Bad file descriptor) [pid 22597] close(12) = -1 EBADF (Bad file descriptor) [pid 22597] close(13) = -1 EBADF (Bad file descriptor) [pid 22597] close(14) = -1 EBADF (Bad file descriptor) [pid 22597] close(15) = -1 EBADF (Bad file descriptor) [pid 22597] close(16) = -1 EBADF (Bad file descriptor) [pid 22597] close(17) = -1 EBADF (Bad file descriptor) [pid 22597] close(18) = -1 EBADF (Bad file descriptor) [pid 22597] close(19) = -1 EBADF (Bad file descriptor) [pid 22597] close(20) = -1 EBADF (Bad file descriptor) [pid 22597] close(21) = -1 EBADF (Bad file descriptor) [pid 22597] close(22) = -1 EBADF (Bad file descriptor) [pid 22597] close(23) = -1 EBADF (Bad file descriptor) [pid 22597] close(24) = -1 EBADF (Bad file descriptor) [pid 22597] close(25) = -1 EBADF (Bad file descriptor) [pid 22597] close(26) = -1 EBADF (Bad file descriptor) [pid 22597] close(27) = -1 EBADF (Bad file descriptor) [pid 22597] close(28) = -1 EBADF (Bad file descriptor) [pid 22597] close(29) = -1 EBADF (Bad file descriptor) [pid 22597] exit_group(0 [pid 22599] <... futex resumed>) = ? [pid 22598] <... futex resumed>) = ? [pid 22597] <... exit_group resumed>) = ? [pid 22599] +++ exited with 0 +++ [pid 22598] +++ exited with 0 +++ [pid 22597] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7665", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7665/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7665/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7665/cgroup.cpu") = 0 [pid 287] umount2("./7665/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7665/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7665/binderfs") = 0 [pid 287] umount2("./7665/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7665/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7665/cgroup") = 0 [pid 287] umount2("./7665/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7665/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7665/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7665") = 0 [pid 287] mkdir("./7666", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22600 attached [pid 22600] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22600] chdir("./7666" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22188 [pid 22600] <... chdir resumed>) = 0 [pid 22600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22600] setpgid(0, 0) = 0 [pid 22600] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22600] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22600] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22600] write(3, "1000", 4) = 4 [pid 22600] close(3) = 0 [pid 22600] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22600] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22600] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22600] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22601 attached [pid 22601] set_robust_list(0x7f3b956fb9a0, 24 [pid 22600] <... clone3 resumed> => {parent_tid=[22189]}, 88) = 22189 [pid 22601] <... set_robust_list resumed>) = 0 [pid 22600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22600] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22601] rt_sigprocmask(SIG_SETMASK, [], [pid 22600] <... futex resumed>) = 0 [pid 22601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22600] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22601] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22601] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22600] <... futex resumed>) = 0 [pid 22601] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22600] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22600] <... futex resumed>) = 0 [pid 22601] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22600] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22601] <... bpf resumed>) = 4 [pid 22601] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22600] <... futex resumed>) = 0 [pid 22601] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22600] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22600] <... futex resumed>) = 0 [pid 22601] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22600] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22600] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22601] <... bpf resumed>) = 0 [pid 22600] <... mprotect resumed>) = 0 [pid 22601] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22601] <... futex resumed>) = 0 [pid 22600] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22601] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22602 attached [pid 22602] set_robust_list(0x7f3b956da9a0, 24 [pid 22600] <... clone3 resumed> => {parent_tid=[22190]}, 88) = 22190 [pid 22600] rt_sigprocmask(SIG_SETMASK, [], [pid 22602] <... set_robust_list resumed>) = 0 [pid 22602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22602] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22600] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22602] <... futex resumed>) = 0 [pid 22600] <... futex resumed>) = 1 [pid 22602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22600] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22602] <... bpf resumed>) = 5 [pid 22602] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22600] <... futex resumed>) = 0 [pid 22602] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22600] close(3) = 0 [pid 22600] close(4) = 0 [pid 22600] close(5) = 0 [pid 22600] close(6) = -1 EBADF (Bad file descriptor) [pid 22600] close(7) = -1 EBADF (Bad file descriptor) [pid 22600] close(8) = -1 EBADF (Bad file descriptor) [pid 22600] close(9) = -1 EBADF (Bad file descriptor) [pid 22600] close(10) = -1 EBADF (Bad file descriptor) [pid 22600] close(11) = -1 EBADF (Bad file descriptor) [pid 22600] close(12) = -1 EBADF (Bad file descriptor) [pid 22600] close(13) = -1 EBADF (Bad file descriptor) [pid 22600] close(14) = -1 EBADF (Bad file descriptor) [pid 22600] close(15) = -1 EBADF (Bad file descriptor) [pid 22600] close(16) = -1 EBADF (Bad file descriptor) [pid 22600] close(17) = -1 EBADF (Bad file descriptor) [pid 22600] close(18) = -1 EBADF (Bad file descriptor) [pid 22600] close(19) = -1 EBADF (Bad file descriptor) [pid 22600] close(20) = -1 EBADF (Bad file descriptor) [pid 22600] close(21) = -1 EBADF (Bad file descriptor) [pid 22600] close(22) = -1 EBADF (Bad file descriptor) [pid 22600] close(23) = -1 EBADF (Bad file descriptor) [pid 22600] close(24) = -1 EBADF (Bad file descriptor) [pid 22600] close(25) = -1 EBADF (Bad file descriptor) [pid 22600] close(26) = -1 EBADF (Bad file descriptor) [pid 22600] close(27) = -1 EBADF (Bad file descriptor) [pid 22600] close(28) = -1 EBADF (Bad file descriptor) [pid 22600] close(29) = -1 EBADF (Bad file descriptor) [pid 22600] exit_group(0 [pid 22602] <... futex resumed>) = ? [pid 22601] <... futex resumed>) = ? [pid 22600] <... exit_group resumed>) = ? [pid 22602] +++ exited with 0 +++ [pid 22601] +++ exited with 0 +++ [pid 22600] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7666", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7666/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7666/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7666/cgroup.cpu") = 0 [pid 287] umount2("./7666/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7666/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7666/binderfs") = 0 [pid 287] umount2("./7666/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7666/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7666/cgroup") = 0 [pid 287] umount2("./7666/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7666/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7666/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7666") = 0 [pid 287] mkdir("./7667", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22603 attached [pid 22603] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22603] chdir("./7667") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22191 [pid 22603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22603] setpgid(0, 0) = 0 [pid 22603] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22603] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22603] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22603] write(3, "1000", 4) = 4 [pid 22603] close(3) = 0 [pid 22603] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22603] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22603] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22603] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22604 attached [pid 22604] set_robust_list(0x7f3b956fb9a0, 24 [pid 22603] <... clone3 resumed> => {parent_tid=[22192]}, 88) = 22192 [pid 22604] <... set_robust_list resumed>) = 0 [pid 22603] rt_sigprocmask(SIG_SETMASK, [], [pid 22604] rt_sigprocmask(SIG_SETMASK, [], [pid 22603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22603] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22604] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22603] <... futex resumed>) = 0 [pid 22604] <... bpf resumed>) = 3 [pid 22603] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22604] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22604] <... futex resumed>) = 0 [pid 22603] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22604] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22603] <... futex resumed>) = 0 [pid 22604] <... bpf resumed>) = 4 [pid 22603] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22604] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22604] <... futex resumed>) = 0 [pid 22603] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22604] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22603] <... futex resumed>) = 0 [pid 22604] <... bpf resumed>) = 0 [pid 22603] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22604] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22603] <... futex resumed>) = 0 [pid 22604] <... futex resumed>) = 0 [pid 22603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22604] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22603] <... mmap resumed>) = 0x7f3b956ba000 [pid 22603] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22193]}, 88) = 22193 [pid 22603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 22605 attached [pid 22603] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22605] set_robust_list(0x7f3b956da9a0, 24 [pid 22603] <... futex resumed>) = 0 [pid 22605] <... set_robust_list resumed>) = 0 [pid 22603] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22605] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22605] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22603] <... futex resumed>) = 0 [pid 22605] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22603] close(3) = 0 [pid 22603] close(4) = 0 [pid 22603] close(5) = 0 [pid 22603] close(6) = -1 EBADF (Bad file descriptor) [pid 22603] close(7) = -1 EBADF (Bad file descriptor) [pid 22603] close(8) = -1 EBADF (Bad file descriptor) [pid 22603] close(9) = -1 EBADF (Bad file descriptor) [pid 22603] close(10) = -1 EBADF (Bad file descriptor) [pid 22603] close(11) = -1 EBADF (Bad file descriptor) [pid 22603] close(12) = -1 EBADF (Bad file descriptor) [pid 22603] close(13) = -1 EBADF (Bad file descriptor) [pid 22603] close(14) = -1 EBADF (Bad file descriptor) [pid 22603] close(15) = -1 EBADF (Bad file descriptor) [pid 22603] close(16) = -1 EBADF (Bad file descriptor) [pid 22603] close(17) = -1 EBADF (Bad file descriptor) [pid 22603] close(18) = -1 EBADF (Bad file descriptor) [pid 22603] close(19) = -1 EBADF (Bad file descriptor) [pid 22603] close(20) = -1 EBADF (Bad file descriptor) [pid 22603] close(21) = -1 EBADF (Bad file descriptor) [pid 22603] close(22) = -1 EBADF (Bad file descriptor) [pid 22603] close(23) = -1 EBADF (Bad file descriptor) [pid 22603] close(24) = -1 EBADF (Bad file descriptor) [pid 22603] close(25) = -1 EBADF (Bad file descriptor) [pid 22603] close(26) = -1 EBADF (Bad file descriptor) [pid 22603] close(27) = -1 EBADF (Bad file descriptor) [pid 22603] close(28) = -1 EBADF (Bad file descriptor) [pid 22603] close(29) = -1 EBADF (Bad file descriptor) [pid 22603] exit_group(0 [pid 22605] <... futex resumed>) = ? [pid 22604] <... futex resumed>) = ? [pid 22603] <... exit_group resumed>) = ? [pid 22605] +++ exited with 0 +++ [pid 22604] +++ exited with 0 +++ [pid 22603] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7667", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7667/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7667/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7667/cgroup.cpu") = 0 [pid 287] umount2("./7667/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7667/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7667/binderfs") = 0 [pid 287] umount2("./7667/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7667/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7667/cgroup") = 0 [pid 287] umount2("./7667/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7667/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7667/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7667") = 0 [pid 287] mkdir("./7668", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22606 attached [pid 22606] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22194 [pid 22606] chdir("./7668") = 0 [pid 22606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22606] setpgid(0, 0) = 0 [pid 22606] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22606] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22606] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22606] write(3, "1000", 4) = 4 [pid 22606] close(3) = 0 [pid 22606] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22606] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22606] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22606] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22607 attached [pid 22607] set_robust_list(0x7f3b956fb9a0, 24 [pid 22606] <... clone3 resumed> => {parent_tid=[22195]}, 88) = 22195 [pid 22607] <... set_robust_list resumed>) = 0 [pid 22606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22606] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22607] rt_sigprocmask(SIG_SETMASK, [], [pid 22606] <... futex resumed>) = 0 [pid 22607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22606] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22607] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22606] <... futex resumed>) = 0 [pid 22607] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22606] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22606] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22607] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22606] <... futex resumed>) = 0 [pid 22607] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22606] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22606] <... futex resumed>) = 0 [pid 22607] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22606] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22607] <... bpf resumed>) = 0 [pid 22606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22607] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22606] <... mmap resumed>) = 0x7f3b956ba000 [pid 22606] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22607] <... futex resumed>) = 0 [pid 22606] <... mprotect resumed>) = 0 [pid 22607] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22608 attached [pid 22608] set_robust_list(0x7f3b956da9a0, 24 [pid 22606] <... clone3 resumed> => {parent_tid=[22196]}, 88) = 22196 [pid 22608] <... set_robust_list resumed>) = 0 [pid 22608] rt_sigprocmask(SIG_SETMASK, [], [pid 22606] rt_sigprocmask(SIG_SETMASK, [], [pid 22608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22606] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22606] <... futex resumed>) = 0 [pid 22606] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22608] <... bpf resumed>) = 5 [pid 22608] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22606] <... futex resumed>) = 0 [pid 22608] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22606] close(3) = 0 [pid 22606] close(4) = 0 [pid 22606] close(5) = 0 [pid 22606] close(6) = -1 EBADF (Bad file descriptor) [pid 22606] close(7) = -1 EBADF (Bad file descriptor) [pid 22606] close(8) = -1 EBADF (Bad file descriptor) [pid 22606] close(9) = -1 EBADF (Bad file descriptor) [pid 22606] close(10) = -1 EBADF (Bad file descriptor) [pid 22606] close(11) = -1 EBADF (Bad file descriptor) [pid 22606] close(12) = -1 EBADF (Bad file descriptor) [pid 22606] close(13) = -1 EBADF (Bad file descriptor) [pid 22606] close(14) = -1 EBADF (Bad file descriptor) [pid 22606] close(15) = -1 EBADF (Bad file descriptor) [pid 22606] close(16) = -1 EBADF (Bad file descriptor) [pid 22606] close(17) = -1 EBADF (Bad file descriptor) [pid 22606] close(18) = -1 EBADF (Bad file descriptor) [pid 22606] close(19) = -1 EBADF (Bad file descriptor) [pid 22606] close(20) = -1 EBADF (Bad file descriptor) [pid 22606] close(21) = -1 EBADF (Bad file descriptor) [pid 22606] close(22) = -1 EBADF (Bad file descriptor) [pid 22606] close(23) = -1 EBADF (Bad file descriptor) [pid 22606] close(24) = -1 EBADF (Bad file descriptor) [pid 22606] close(25) = -1 EBADF (Bad file descriptor) [pid 22606] close(26) = -1 EBADF (Bad file descriptor) [pid 22606] close(27) = -1 EBADF (Bad file descriptor) [pid 22606] close(28) = -1 EBADF (Bad file descriptor) [pid 22606] close(29) = -1 EBADF (Bad file descriptor) [pid 22606] exit_group(0 [pid 22608] <... futex resumed>) = ? [pid 22607] <... futex resumed>) = ? [pid 22606] <... exit_group resumed>) = ? [pid 22608] +++ exited with 0 +++ [pid 22607] +++ exited with 0 +++ [pid 22606] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7668", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7668/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7668/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7668/cgroup.cpu") = 0 [pid 287] umount2("./7668/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7668/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7668/binderfs") = 0 [pid 287] umount2("./7668/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7668/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7668/cgroup") = 0 [pid 287] umount2("./7668/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7668/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7668/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7668") = 0 [pid 287] mkdir("./7669", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22609 attached [pid 22609] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22609] chdir("./7669") = 0 [pid 22609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22609] setpgid(0, 0) = 0 [pid 22609] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22197 [pid 22609] <... symlink resumed>) = 0 [pid 22609] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22609] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22609] write(3, "1000", 4) = 4 [pid 22609] close(3) = 0 [pid 22609] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22609] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22609] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22609] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22610 attached [pid 22610] set_robust_list(0x7f3b956fb9a0, 24 [pid 22609] <... clone3 resumed> => {parent_tid=[22198]}, 88) = 22198 [pid 22610] <... set_robust_list resumed>) = 0 [pid 22609] rt_sigprocmask(SIG_SETMASK, [], [pid 22610] rt_sigprocmask(SIG_SETMASK, [], [pid 22609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22609] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22609] <... futex resumed>) = 0 [pid 22610] <... bpf resumed>) = 3 [pid 22609] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22610] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22610] <... futex resumed>) = 0 [pid 22609] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22609] <... futex resumed>) = 0 [pid 22610] <... bpf resumed>) = 4 [pid 22609] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22610] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22610] <... futex resumed>) = 0 [pid 22609] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22610] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22609] <... futex resumed>) = 0 [pid 22610] <... bpf resumed>) = 0 [pid 22609] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22610] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22609] <... futex resumed>) = 0 [pid 22610] <... futex resumed>) = 0 [pid 22609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22610] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22609] <... mmap resumed>) = 0x7f3b956ba000 [pid 22609] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22611 attached => {parent_tid=[22199]}, 88) = 22199 [pid 22611] set_robust_list(0x7f3b956da9a0, 24 [pid 22609] rt_sigprocmask(SIG_SETMASK, [], [pid 22611] <... set_robust_list resumed>) = 0 [pid 22609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22611] rt_sigprocmask(SIG_SETMASK, [], [pid 22609] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22609] <... futex resumed>) = 0 [pid 22611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22609] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22611] <... bpf resumed>) = 5 [pid 22611] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22609] <... futex resumed>) = 0 [pid 22611] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22609] close(3) = 0 [pid 22609] close(4) = 0 [pid 22609] close(5) = 0 [pid 22609] close(6) = -1 EBADF (Bad file descriptor) [pid 22609] close(7) = -1 EBADF (Bad file descriptor) [pid 22609] close(8) = -1 EBADF (Bad file descriptor) [pid 22609] close(9) = -1 EBADF (Bad file descriptor) [pid 22609] close(10) = -1 EBADF (Bad file descriptor) [pid 22609] close(11) = -1 EBADF (Bad file descriptor) [pid 22609] close(12) = -1 EBADF (Bad file descriptor) [pid 22609] close(13) = -1 EBADF (Bad file descriptor) [pid 22609] close(14) = -1 EBADF (Bad file descriptor) [pid 22609] close(15) = -1 EBADF (Bad file descriptor) [pid 22609] close(16) = -1 EBADF (Bad file descriptor) [pid 22609] close(17) = -1 EBADF (Bad file descriptor) [pid 22609] close(18) = -1 EBADF (Bad file descriptor) [pid 22609] close(19) = -1 EBADF (Bad file descriptor) [pid 22609] close(20) = -1 EBADF (Bad file descriptor) [pid 22609] close(21) = -1 EBADF (Bad file descriptor) [pid 22609] close(22) = -1 EBADF (Bad file descriptor) [pid 22609] close(23) = -1 EBADF (Bad file descriptor) [pid 22609] close(24) = -1 EBADF (Bad file descriptor) [pid 22609] close(25) = -1 EBADF (Bad file descriptor) [pid 22609] close(26) = -1 EBADF (Bad file descriptor) [pid 22609] close(27) = -1 EBADF (Bad file descriptor) [pid 22609] close(28) = -1 EBADF (Bad file descriptor) [pid 22609] close(29) = -1 EBADF (Bad file descriptor) [pid 22609] exit_group(0 [pid 22611] <... futex resumed>) = ? [pid 22610] <... futex resumed>) = ? [pid 22609] <... exit_group resumed>) = ? [pid 22611] +++ exited with 0 +++ [pid 22610] +++ exited with 0 +++ [pid 22609] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7669", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7669/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7669/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7669/cgroup.cpu") = 0 [pid 287] umount2("./7669/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7669/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7669/binderfs") = 0 [pid 287] umount2("./7669/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7669/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7669/cgroup") = 0 [pid 287] umount2("./7669/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7669/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7669/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7669") = 0 [pid 287] mkdir("./7670", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22200 ./strace-static-x86_64: Process 22612 attached [pid 22612] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22612] chdir("./7670") = 0 [pid 22612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22612] setpgid(0, 0) = 0 [pid 22612] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22612] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22612] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22612] write(3, "1000", 4) = 4 [pid 22612] close(3) = 0 [pid 22612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22612] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22612] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22612] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22613 attached [pid 22613] set_robust_list(0x7f3b956fb9a0, 24 [pid 22612] <... clone3 resumed> => {parent_tid=[22201]}, 88) = 22201 [pid 22613] <... set_robust_list resumed>) = 0 [pid 22612] rt_sigprocmask(SIG_SETMASK, [], [pid 22613] rt_sigprocmask(SIG_SETMASK, [], [pid 22612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22612] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22612] <... futex resumed>) = 0 [pid 22613] <... bpf resumed>) = 3 [pid 22612] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22613] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22613] <... futex resumed>) = 0 [pid 22612] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22613] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22612] <... futex resumed>) = 0 [pid 22613] <... bpf resumed>) = 4 [pid 22612] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22613] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22613] <... futex resumed>) = 0 [pid 22612] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22613] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22612] <... futex resumed>) = 0 [pid 22613] <... bpf resumed>) = 0 [pid 22612] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22613] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22612] <... futex resumed>) = 0 [pid 22613] <... futex resumed>) = 0 [pid 22612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22613] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22612] <... mmap resumed>) = 0x7f3b956ba000 [pid 22612] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22614 attached => {parent_tid=[22202]}, 88) = 22202 [pid 22614] set_robust_list(0x7f3b956da9a0, 24 [pid 22612] rt_sigprocmask(SIG_SETMASK, [], [pid 22614] <... set_robust_list resumed>) = 0 [pid 22612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22614] rt_sigprocmask(SIG_SETMASK, [], [pid 22612] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22612] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22614] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22612] <... futex resumed>) = 0 [pid 22614] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22612] close(3) = 0 [pid 22612] close(4) = 0 [pid 22612] close(5) = 0 [pid 22612] close(6) = -1 EBADF (Bad file descriptor) [pid 22612] close(7) = -1 EBADF (Bad file descriptor) [pid 22612] close(8) = -1 EBADF (Bad file descriptor) [pid 22612] close(9) = -1 EBADF (Bad file descriptor) [pid 22612] close(10) = -1 EBADF (Bad file descriptor) [pid 22612] close(11) = -1 EBADF (Bad file descriptor) [pid 22612] close(12) = -1 EBADF (Bad file descriptor) [pid 22612] close(13) = -1 EBADF (Bad file descriptor) [pid 22612] close(14) = -1 EBADF (Bad file descriptor) [pid 22612] close(15) = -1 EBADF (Bad file descriptor) [pid 22612] close(16) = -1 EBADF (Bad file descriptor) [pid 22612] close(17) = -1 EBADF (Bad file descriptor) [pid 22612] close(18) = -1 EBADF (Bad file descriptor) [pid 22612] close(19) = -1 EBADF (Bad file descriptor) [pid 22612] close(20) = -1 EBADF (Bad file descriptor) [pid 22612] close(21) = -1 EBADF (Bad file descriptor) [pid 22612] close(22) = -1 EBADF (Bad file descriptor) [pid 22612] close(23) = -1 EBADF (Bad file descriptor) [pid 22612] close(24) = -1 EBADF (Bad file descriptor) [pid 22612] close(25) = -1 EBADF (Bad file descriptor) [pid 22612] close(26) = -1 EBADF (Bad file descriptor) [pid 22612] close(27) = -1 EBADF (Bad file descriptor) [pid 22612] close(28) = -1 EBADF (Bad file descriptor) [pid 22612] close(29) = -1 EBADF (Bad file descriptor) [pid 22612] exit_group(0) = ? [pid 22614] <... futex resumed>) = ? [pid 22613] <... futex resumed>) = ? [pid 22614] +++ exited with 0 +++ [pid 22613] +++ exited with 0 +++ [pid 22612] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7670", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7670/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7670/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7670/cgroup.cpu") = 0 [pid 287] umount2("./7670/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7670/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7670/binderfs") = 0 [pid 287] umount2("./7670/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7670/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7670/cgroup") = 0 [pid 287] umount2("./7670/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7670/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7670/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7670") = 0 [pid 287] mkdir("./7671", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22615 attached [pid 22615] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22203 [pid 22615] chdir("./7671") = 0 [pid 22615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22615] setpgid(0, 0) = 0 [pid 22615] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22615] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22615] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22615] write(3, "1000", 4) = 4 [pid 22615] close(3) = 0 [pid 22615] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22615] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22615] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22615] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22616 attached [pid 22616] set_robust_list(0x7f3b956fb9a0, 24 [pid 22615] <... clone3 resumed> => {parent_tid=[22204]}, 88) = 22204 [pid 22616] <... set_robust_list resumed>) = 0 [pid 22615] rt_sigprocmask(SIG_SETMASK, [], [pid 22616] rt_sigprocmask(SIG_SETMASK, [], [pid 22615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22615] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22615] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22616] <... bpf resumed>) = 3 [pid 22616] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22615] <... futex resumed>) = 0 [pid 22616] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22615] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22615] <... futex resumed>) = 0 [pid 22616] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22615] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22616] <... bpf resumed>) = 4 [pid 22616] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22615] <... futex resumed>) = 0 [pid 22616] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22615] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22615] <... futex resumed>) = 0 [pid 22616] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22615] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22616] <... bpf resumed>) = 0 [pid 22615] <... futex resumed>) = 0 [pid 22616] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22616] <... futex resumed>) = 0 [pid 22615] <... mmap resumed>) = 0x7f3b956ba000 [pid 22616] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22615] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22617 attached [pid 22617] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22615] <... clone3 resumed> => {parent_tid=[22205]}, 88) = 22205 [pid 22617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22615] rt_sigprocmask(SIG_SETMASK, [], [pid 22617] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22615] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22617] <... futex resumed>) = 0 [pid 22615] <... futex resumed>) = 1 [pid 22617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22615] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22617] <... bpf resumed>) = 5 [pid 22617] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22615] <... futex resumed>) = 0 [pid 22617] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22615] close(3) = 0 [pid 22615] close(4) = 0 [pid 22615] close(5) = 0 [pid 22615] close(6) = -1 EBADF (Bad file descriptor) [pid 22615] close(7) = -1 EBADF (Bad file descriptor) [pid 22615] close(8) = -1 EBADF (Bad file descriptor) [pid 22615] close(9) = -1 EBADF (Bad file descriptor) [pid 22615] close(10) = -1 EBADF (Bad file descriptor) [pid 22615] close(11) = -1 EBADF (Bad file descriptor) [pid 22615] close(12) = -1 EBADF (Bad file descriptor) [pid 22615] close(13) = -1 EBADF (Bad file descriptor) [pid 22615] close(14) = -1 EBADF (Bad file descriptor) [pid 22615] close(15) = -1 EBADF (Bad file descriptor) [pid 22615] close(16) = -1 EBADF (Bad file descriptor) [pid 22615] close(17) = -1 EBADF (Bad file descriptor) [pid 22615] close(18) = -1 EBADF (Bad file descriptor) [pid 22615] close(19) = -1 EBADF (Bad file descriptor) [pid 22615] close(20) = -1 EBADF (Bad file descriptor) [pid 22615] close(21) = -1 EBADF (Bad file descriptor) [pid 22615] close(22) = -1 EBADF (Bad file descriptor) [pid 22615] close(23) = -1 EBADF (Bad file descriptor) [pid 22615] close(24) = -1 EBADF (Bad file descriptor) [pid 22615] close(25) = -1 EBADF (Bad file descriptor) [pid 22615] close(26) = -1 EBADF (Bad file descriptor) [pid 22615] close(27) = -1 EBADF (Bad file descriptor) [pid 22615] close(28) = -1 EBADF (Bad file descriptor) [pid 22615] close(29) = -1 EBADF (Bad file descriptor) [pid 22615] exit_group(0 [pid 22617] <... futex resumed>) = ? [pid 22616] <... futex resumed>) = ? [pid 22615] <... exit_group resumed>) = ? [pid 22617] +++ exited with 0 +++ [pid 22616] +++ exited with 0 +++ [pid 22615] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7671", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7671/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7671/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7671/cgroup.cpu") = 0 [pid 287] umount2("./7671/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7671/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7671/binderfs") = 0 [pid 287] umount2("./7671/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7671/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7671/cgroup") = 0 [pid 287] umount2("./7671/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7671/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7671/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7671") = 0 [pid 287] mkdir("./7672", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22618 attached [pid 22618] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22206 [pid 22618] chdir("./7672") = 0 [pid 22618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22618] setpgid(0, 0) = 0 [pid 22618] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22618] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22618] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22618] write(3, "1000", 4) = 4 [pid 22618] close(3) = 0 [pid 22618] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22618] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22618] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22618] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22619 attached [pid 22619] set_robust_list(0x7f3b956fb9a0, 24 [pid 22618] <... clone3 resumed> => {parent_tid=[22207]}, 88) = 22207 [pid 22619] <... set_robust_list resumed>) = 0 [pid 22618] rt_sigprocmask(SIG_SETMASK, [], [pid 22619] rt_sigprocmask(SIG_SETMASK, [], [pid 22618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22618] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22618] <... futex resumed>) = 0 [pid 22619] <... bpf resumed>) = 3 [pid 22618] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22619] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22619] <... futex resumed>) = 0 [pid 22618] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22619] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22618] <... futex resumed>) = 0 [pid 22619] <... bpf resumed>) = 4 [pid 22618] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22619] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22619] <... futex resumed>) = 0 [pid 22618] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22619] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22618] <... futex resumed>) = 0 [pid 22619] <... bpf resumed>) = 0 [pid 22618] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22619] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22618] <... futex resumed>) = 0 [pid 22619] <... futex resumed>) = 0 [pid 22618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22619] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22618] <... mmap resumed>) = 0x7f3b956ba000 [pid 22618] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22620 attached [pid 22620] set_robust_list(0x7f3b956da9a0, 24 [pid 22618] <... clone3 resumed> => {parent_tid=[22208]}, 88) = 22208 [pid 22618] rt_sigprocmask(SIG_SETMASK, [], [pid 22620] <... set_robust_list resumed>) = 0 [pid 22618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22620] rt_sigprocmask(SIG_SETMASK, [], [pid 22618] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22618] <... futex resumed>) = 0 [pid 22620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22618] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22620] <... bpf resumed>) = 5 [pid 22620] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22618] <... futex resumed>) = 0 [pid 22620] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22618] close(3) = 0 [pid 22618] close(4) = 0 [pid 22618] close(5) = 0 [pid 22618] close(6) = -1 EBADF (Bad file descriptor) [pid 22618] close(7) = -1 EBADF (Bad file descriptor) [pid 22618] close(8) = -1 EBADF (Bad file descriptor) [pid 22618] close(9) = -1 EBADF (Bad file descriptor) [pid 22618] close(10) = -1 EBADF (Bad file descriptor) [pid 22618] close(11) = -1 EBADF (Bad file descriptor) [pid 22618] close(12) = -1 EBADF (Bad file descriptor) [pid 22618] close(13) = -1 EBADF (Bad file descriptor) [pid 22618] close(14) = -1 EBADF (Bad file descriptor) [pid 22618] close(15) = -1 EBADF (Bad file descriptor) [pid 22618] close(16) = -1 EBADF (Bad file descriptor) [pid 22618] close(17) = -1 EBADF (Bad file descriptor) [pid 22618] close(18) = -1 EBADF (Bad file descriptor) [pid 22618] close(19) = -1 EBADF (Bad file descriptor) [pid 22618] close(20) = -1 EBADF (Bad file descriptor) [pid 22618] close(21) = -1 EBADF (Bad file descriptor) [pid 22618] close(22) = -1 EBADF (Bad file descriptor) [pid 22618] close(23) = -1 EBADF (Bad file descriptor) [pid 22618] close(24) = -1 EBADF (Bad file descriptor) [pid 22618] close(25) = -1 EBADF (Bad file descriptor) [pid 22618] close(26) = -1 EBADF (Bad file descriptor) [pid 22618] close(27) = -1 EBADF (Bad file descriptor) [pid 22618] close(28) = -1 EBADF (Bad file descriptor) [pid 22618] close(29) = -1 EBADF (Bad file descriptor) [pid 22618] exit_group(0 [pid 22620] <... futex resumed>) = ? [pid 22619] <... futex resumed>) = ? [pid 22618] <... exit_group resumed>) = ? [pid 22620] +++ exited with 0 +++ [pid 22619] +++ exited with 0 +++ [pid 22618] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7672", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7672/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7672/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7672/cgroup.cpu") = 0 [pid 287] umount2("./7672/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7672/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7672/binderfs") = 0 [pid 287] umount2("./7672/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7672/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7672/cgroup") = 0 [pid 287] umount2("./7672/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7672/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7672/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7672") = 0 [pid 287] mkdir("./7673", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22621 attached [pid 22621] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22209 [pid 22621] chdir("./7673") = 0 [pid 22621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22621] setpgid(0, 0) = 0 [pid 22621] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22621] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22621] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22621] write(3, "1000", 4) = 4 [pid 22621] close(3) = 0 [pid 22621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22621] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22621] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22621] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22622 attached [pid 22622] set_robust_list(0x7f3b956fb9a0, 24 [pid 22621] <... clone3 resumed> => {parent_tid=[22210]}, 88) = 22210 [pid 22622] <... set_robust_list resumed>) = 0 [pid 22621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22621] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22622] rt_sigprocmask(SIG_SETMASK, [], [pid 22621] <... futex resumed>) = 0 [pid 22622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22621] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22622] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22621] <... futex resumed>) = 0 [pid 22622] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22621] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22621] <... futex resumed>) = 0 [pid 22622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22621] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22622] <... bpf resumed>) = 4 [pid 22622] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22621] <... futex resumed>) = 0 [pid 22622] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22621] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22621] <... futex resumed>) = 0 [pid 22622] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22621] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22622] <... bpf resumed>) = 0 [pid 22621] <... mmap resumed>) = 0x7f3b956ba000 [pid 22622] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22621] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22622] <... futex resumed>) = 0 [pid 22621] <... mprotect resumed>) = 0 [pid 22622] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22623 attached [pid 22623] set_robust_list(0x7f3b956da9a0, 24 [pid 22621] <... clone3 resumed> => {parent_tid=[22211]}, 88) = 22211 [pid 22623] <... set_robust_list resumed>) = 0 [pid 22623] rt_sigprocmask(SIG_SETMASK, [], [pid 22621] rt_sigprocmask(SIG_SETMASK, [], [pid 22623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22623] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22621] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22623] <... futex resumed>) = 0 [pid 22621] <... futex resumed>) = 1 [pid 22623] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22621] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22623] <... bpf resumed>) = 5 [pid 22623] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22621] <... futex resumed>) = 0 [pid 22623] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22621] close(3) = 0 [pid 22621] close(4) = 0 [pid 22621] close(5) = 0 [pid 22621] close(6) = -1 EBADF (Bad file descriptor) [pid 22621] close(7) = -1 EBADF (Bad file descriptor) [pid 22621] close(8) = -1 EBADF (Bad file descriptor) [pid 22621] close(9) = -1 EBADF (Bad file descriptor) [pid 22621] close(10) = -1 EBADF (Bad file descriptor) [pid 22621] close(11) = -1 EBADF (Bad file descriptor) [pid 22621] close(12) = -1 EBADF (Bad file descriptor) [pid 22621] close(13) = -1 EBADF (Bad file descriptor) [pid 22621] close(14) = -1 EBADF (Bad file descriptor) [pid 22621] close(15) = -1 EBADF (Bad file descriptor) [pid 22621] close(16) = -1 EBADF (Bad file descriptor) [pid 22621] close(17) = -1 EBADF (Bad file descriptor) [pid 22621] close(18) = -1 EBADF (Bad file descriptor) [pid 22621] close(19) = -1 EBADF (Bad file descriptor) [pid 22621] close(20) = -1 EBADF (Bad file descriptor) [pid 22621] close(21) = -1 EBADF (Bad file descriptor) [pid 22621] close(22) = -1 EBADF (Bad file descriptor) [pid 22621] close(23) = -1 EBADF (Bad file descriptor) [pid 22621] close(24) = -1 EBADF (Bad file descriptor) [pid 22621] close(25) = -1 EBADF (Bad file descriptor) [pid 22621] close(26) = -1 EBADF (Bad file descriptor) [pid 22621] close(27) = -1 EBADF (Bad file descriptor) [pid 22621] close(28) = -1 EBADF (Bad file descriptor) [pid 22621] close(29) = -1 EBADF (Bad file descriptor) [pid 22621] exit_group(0 [pid 22623] <... futex resumed>) = ? [pid 22622] <... futex resumed>) = ? [pid 22621] <... exit_group resumed>) = ? [pid 22623] +++ exited with 0 +++ [pid 22622] +++ exited with 0 +++ [pid 22621] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7673", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7673/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7673/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7673/cgroup.cpu") = 0 [pid 287] umount2("./7673/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7673/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7673/binderfs") = 0 [pid 287] umount2("./7673/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7673/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7673/cgroup") = 0 [pid 287] umount2("./7673/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7673/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7673/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7673") = 0 [pid 287] mkdir("./7674", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22624 attached [pid 22624] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22624] chdir("./7674") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22212 [pid 22624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22624] setpgid(0, 0) = 0 [pid 22624] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22624] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22624] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22624] write(3, "1000", 4) = 4 [pid 22624] close(3) = 0 [pid 22624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22624] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22624] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22624] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22625 attached [pid 22625] set_robust_list(0x7f3b956fb9a0, 24 [pid 22624] <... clone3 resumed> => {parent_tid=[22213]}, 88) = 22213 [pid 22625] <... set_robust_list resumed>) = 0 [pid 22624] rt_sigprocmask(SIG_SETMASK, [], [pid 22625] rt_sigprocmask(SIG_SETMASK, [], [pid 22624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22624] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22624] <... futex resumed>) = 0 [pid 22625] <... bpf resumed>) = 3 [pid 22624] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22625] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22625] <... futex resumed>) = 0 [pid 22624] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22625] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22624] <... futex resumed>) = 0 [pid 22625] <... bpf resumed>) = 4 [pid 22624] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22625] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22625] <... futex resumed>) = 0 [pid 22624] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22625] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22624] <... futex resumed>) = 0 [pid 22625] <... bpf resumed>) = 0 [pid 22624] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22625] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22624] <... futex resumed>) = 0 [pid 22625] <... futex resumed>) = 0 [pid 22624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22625] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22624] <... mmap resumed>) = 0x7f3b956ba000 [pid 22624] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22626 attached [pid 22626] set_robust_list(0x7f3b956da9a0, 24 [pid 22624] <... clone3 resumed> => {parent_tid=[22214]}, 88) = 22214 [pid 22626] <... set_robust_list resumed>) = 0 [pid 22624] rt_sigprocmask(SIG_SETMASK, [], [pid 22626] rt_sigprocmask(SIG_SETMASK, [], [pid 22624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22624] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22626] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22624] <... futex resumed>) = 0 [pid 22624] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22626] <... bpf resumed>) = 5 [pid 22626] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22624] <... futex resumed>) = 0 [pid 22626] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22624] close(3) = 0 [pid 22624] close(4) = 0 [pid 22624] close(5) = 0 [pid 22624] close(6) = -1 EBADF (Bad file descriptor) [pid 22624] close(7) = -1 EBADF (Bad file descriptor) [pid 22624] close(8) = -1 EBADF (Bad file descriptor) [pid 22624] close(9) = -1 EBADF (Bad file descriptor) [pid 22624] close(10) = -1 EBADF (Bad file descriptor) [pid 22624] close(11) = -1 EBADF (Bad file descriptor) [pid 22624] close(12) = -1 EBADF (Bad file descriptor) [pid 22624] close(13) = -1 EBADF (Bad file descriptor) [pid 22624] close(14) = -1 EBADF (Bad file descriptor) [pid 22624] close(15) = -1 EBADF (Bad file descriptor) [pid 22624] close(16) = -1 EBADF (Bad file descriptor) [pid 22624] close(17) = -1 EBADF (Bad file descriptor) [pid 22624] close(18) = -1 EBADF (Bad file descriptor) [pid 22624] close(19) = -1 EBADF (Bad file descriptor) [pid 22624] close(20) = -1 EBADF (Bad file descriptor) [pid 22624] close(21) = -1 EBADF (Bad file descriptor) [pid 22624] close(22) = -1 EBADF (Bad file descriptor) [pid 22624] close(23) = -1 EBADF (Bad file descriptor) [pid 22624] close(24) = -1 EBADF (Bad file descriptor) [pid 22624] close(25) = -1 EBADF (Bad file descriptor) [pid 22624] close(26) = -1 EBADF (Bad file descriptor) [pid 22624] close(27) = -1 EBADF (Bad file descriptor) [pid 22624] close(28) = -1 EBADF (Bad file descriptor) [pid 22624] close(29) = -1 EBADF (Bad file descriptor) [pid 22624] exit_group(0 [pid 22625] <... futex resumed>) = ? [pid 22624] <... exit_group resumed>) = ? [pid 22626] <... futex resumed>) = ? [pid 22625] +++ exited with 0 +++ [pid 22626] +++ exited with 0 +++ [pid 22624] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7674", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7674/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7674/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7674/cgroup.cpu") = 0 [pid 287] umount2("./7674/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7674/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7674/binderfs") = 0 [pid 287] umount2("./7674/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7674/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7674/cgroup") = 0 [pid 287] umount2("./7674/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7674/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7674/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7674") = 0 [pid 287] mkdir("./7675", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22215 ./strace-static-x86_64: Process 22627 attached [pid 22627] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22627] chdir("./7675") = 0 [pid 22627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22627] setpgid(0, 0) = 0 [pid 22627] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22627] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22627] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22627] write(3, "1000", 4) = 4 [pid 22627] close(3) = 0 [pid 22627] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22627] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22627] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22627] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22628 attached [pid 22628] set_robust_list(0x7f3b956fb9a0, 24 [pid 22627] <... clone3 resumed> => {parent_tid=[22216]}, 88) = 22216 [pid 22628] <... set_robust_list resumed>) = 0 [pid 22628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22627] rt_sigprocmask(SIG_SETMASK, [], [pid 22628] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22627] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22628] <... futex resumed>) = 0 [pid 22627] <... futex resumed>) = 1 [pid 22628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22627] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22628] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22628] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22627] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22627] <... futex resumed>) = 0 [pid 22628] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22628] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22627] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22627] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22628] <... futex resumed>) = 0 [pid 22627] <... futex resumed>) = 1 [pid 22628] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22627] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22628] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22628] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22627] <... futex resumed>) = 0 [pid 22627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22627] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22629 attached [pid 22629] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22629] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22627] <... clone3 resumed> => {parent_tid=[22217]}, 88) = 22217 [pid 22627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22627] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22629] <... futex resumed>) = 0 [pid 22627] <... futex resumed>) = 1 [pid 22629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22627] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22629] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22629] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22627] close(3) = 0 [pid 22627] close(4) = 0 [pid 22627] close(5) = 0 [pid 22627] close(6) = -1 EBADF (Bad file descriptor) [pid 22627] close(7) = -1 EBADF (Bad file descriptor) [pid 22627] close(8) = -1 EBADF (Bad file descriptor) [pid 22627] close(9) = -1 EBADF (Bad file descriptor) [pid 22627] close(10) = -1 EBADF (Bad file descriptor) [pid 22627] close(11) = -1 EBADF (Bad file descriptor) [pid 22627] close(12) = -1 EBADF (Bad file descriptor) [pid 22627] close(13) = -1 EBADF (Bad file descriptor) [pid 22627] close(14) = -1 EBADF (Bad file descriptor) [pid 22627] close(15) = -1 EBADF (Bad file descriptor) [pid 22627] close(16) = -1 EBADF (Bad file descriptor) [pid 22627] close(17) = -1 EBADF (Bad file descriptor) [pid 22627] close(18) = -1 EBADF (Bad file descriptor) [pid 22627] close(19) = -1 EBADF (Bad file descriptor) [pid 22627] close(20) = -1 EBADF (Bad file descriptor) [pid 22627] close(21) = -1 EBADF (Bad file descriptor) [pid 22627] close(22) = -1 EBADF (Bad file descriptor) [pid 22627] close(23) = -1 EBADF (Bad file descriptor) [pid 22627] close(24) = -1 EBADF (Bad file descriptor) [pid 22627] close(25) = -1 EBADF (Bad file descriptor) [pid 22627] close(26) = -1 EBADF (Bad file descriptor) [pid 22627] close(27) = -1 EBADF (Bad file descriptor) [pid 22627] close(28) = -1 EBADF (Bad file descriptor) [pid 22627] close(29) = -1 EBADF (Bad file descriptor) [pid 22627] exit_group(0 [pid 22629] <... futex resumed>) = ? [pid 22628] <... futex resumed>) = ? [pid 22627] <... exit_group resumed>) = ? [pid 22629] +++ exited with 0 +++ [pid 22628] +++ exited with 0 +++ [pid 22627] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7675", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7675/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7675/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7675/cgroup.cpu") = 0 [pid 287] umount2("./7675/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7675/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7675/binderfs") = 0 [pid 287] umount2("./7675/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7675/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7675/cgroup") = 0 [pid 287] umount2("./7675/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7675/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7675/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7675") = 0 [pid 287] mkdir("./7676", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22630 attached [pid 22630] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22630] chdir("./7676") = 0 [pid 22630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22630] setpgid(0, 0) = 0 [pid 22630] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22218 [pid 22630] <... symlink resumed>) = 0 [pid 22630] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22630] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22630] write(3, "1000", 4) = 4 [pid 22630] close(3) = 0 [pid 22630] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22630] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22630] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22630] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22631 attached => {parent_tid=[22219]}, 88) = 22219 [pid 22630] rt_sigprocmask(SIG_SETMASK, [], [pid 22631] set_robust_list(0x7f3b956fb9a0, 24 [pid 22630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22631] <... set_robust_list resumed>) = 0 [pid 22630] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22631] rt_sigprocmask(SIG_SETMASK, [], [pid 22630] <... futex resumed>) = 0 [pid 22631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22630] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22631] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22630] <... futex resumed>) = 0 [pid 22631] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22630] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22630] <... futex resumed>) = 0 [pid 22631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22630] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22631] <... bpf resumed>) = 4 [pid 22631] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22630] <... futex resumed>) = 0 [pid 22631] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22630] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22630] <... futex resumed>) = 0 [pid 22631] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22630] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22631] <... bpf resumed>) = 0 [pid 22630] <... futex resumed>) = 0 [pid 22631] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22631] <... futex resumed>) = 0 [pid 22630] <... mmap resumed>) = 0x7f3b956ba000 [pid 22631] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22630] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22632 attached [pid 22632] set_robust_list(0x7f3b956da9a0, 24 [pid 22630] <... clone3 resumed> => {parent_tid=[22220]}, 88) = 22220 [pid 22632] <... set_robust_list resumed>) = 0 [pid 22632] rt_sigprocmask(SIG_SETMASK, [], [pid 22630] rt_sigprocmask(SIG_SETMASK, [], [pid 22632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22632] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22630] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22632] <... futex resumed>) = 0 [pid 22630] <... futex resumed>) = 1 [pid 22632] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22630] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22632] <... bpf resumed>) = 5 [pid 22632] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22630] <... futex resumed>) = 0 [pid 22632] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22630] close(3) = 0 [pid 22630] close(4) = 0 [pid 22630] close(5) = 0 [pid 22630] close(6) = -1 EBADF (Bad file descriptor) [pid 22630] close(7) = -1 EBADF (Bad file descriptor) [pid 22630] close(8) = -1 EBADF (Bad file descriptor) [pid 22630] close(9) = -1 EBADF (Bad file descriptor) [pid 22630] close(10) = -1 EBADF (Bad file descriptor) [pid 22630] close(11) = -1 EBADF (Bad file descriptor) [pid 22630] close(12) = -1 EBADF (Bad file descriptor) [pid 22630] close(13) = -1 EBADF (Bad file descriptor) [pid 22630] close(14) = -1 EBADF (Bad file descriptor) [pid 22630] close(15) = -1 EBADF (Bad file descriptor) [pid 22630] close(16) = -1 EBADF (Bad file descriptor) [pid 22630] close(17) = -1 EBADF (Bad file descriptor) [pid 22630] close(18) = -1 EBADF (Bad file descriptor) [pid 22630] close(19) = -1 EBADF (Bad file descriptor) [pid 22630] close(20) = -1 EBADF (Bad file descriptor) [pid 22630] close(21) = -1 EBADF (Bad file descriptor) [pid 22630] close(22) = -1 EBADF (Bad file descriptor) [pid 22630] close(23) = -1 EBADF (Bad file descriptor) [pid 22630] close(24) = -1 EBADF (Bad file descriptor) [pid 22630] close(25) = -1 EBADF (Bad file descriptor) [pid 22630] close(26) = -1 EBADF (Bad file descriptor) [pid 22630] close(27) = -1 EBADF (Bad file descriptor) [pid 22630] close(28) = -1 EBADF (Bad file descriptor) [pid 22630] close(29) = -1 EBADF (Bad file descriptor) [pid 22630] exit_group(0 [pid 22632] <... futex resumed>) = ? [pid 22631] <... futex resumed>) = ? [pid 22630] <... exit_group resumed>) = ? [pid 22632] +++ exited with 0 +++ [pid 22631] +++ exited with 0 +++ [pid 22630] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7676", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7676/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7676/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7676/cgroup.cpu") = 0 [pid 287] umount2("./7676/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7676/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7676/binderfs") = 0 [pid 287] umount2("./7676/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7676/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7676/cgroup") = 0 [pid 287] umount2("./7676/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7676/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7676/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7676") = 0 [pid 287] mkdir("./7677", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22633 attached [pid 22633] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22633] chdir("./7677" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22221 [pid 22633] <... chdir resumed>) = 0 [pid 22633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22633] setpgid(0, 0) = 0 [pid 22633] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22633] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22633] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22633] write(3, "1000", 4) = 4 [pid 22633] close(3) = 0 [pid 22633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22633] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22633] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22633] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22634 attached => {parent_tid=[22222]}, 88) = 22222 [pid 22634] set_robust_list(0x7f3b956fb9a0, 24 [pid 22633] rt_sigprocmask(SIG_SETMASK, [], [pid 22634] <... set_robust_list resumed>) = 0 [pid 22633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22634] rt_sigprocmask(SIG_SETMASK, [], [pid 22633] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22633] <... futex resumed>) = 0 [pid 22633] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22634] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22633] <... futex resumed>) = 0 [pid 22634] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22633] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22633] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22634] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22634] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22633] <... futex resumed>) = 0 [pid 22634] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22633] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22634] <... bpf resumed>) = 0 [pid 22633] <... futex resumed>) = 0 [pid 22634] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22633] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22633] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22634] <... futex resumed>) = 1 [pid 22633] <... futex resumed>) = 0 [pid 22634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22633] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22634] <... bpf resumed>) = 5 [pid 22634] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22633] <... futex resumed>) = 0 [pid 22634] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22633] close(3) = 0 [pid 22633] close(4) = 0 [pid 22633] close(5) = 0 [pid 22633] close(6) = -1 EBADF (Bad file descriptor) [pid 22633] close(7) = -1 EBADF (Bad file descriptor) [pid 22633] close(8) = -1 EBADF (Bad file descriptor) [pid 22633] close(9) = -1 EBADF (Bad file descriptor) [pid 22633] close(10) = -1 EBADF (Bad file descriptor) [pid 22633] close(11) = -1 EBADF (Bad file descriptor) [pid 22633] close(12) = -1 EBADF (Bad file descriptor) [pid 22633] close(13) = -1 EBADF (Bad file descriptor) [pid 22633] close(14) = -1 EBADF (Bad file descriptor) [pid 22633] close(15) = -1 EBADF (Bad file descriptor) [pid 22633] close(16) = -1 EBADF (Bad file descriptor) [pid 22633] close(17) = -1 EBADF (Bad file descriptor) [pid 22633] close(18) = -1 EBADF (Bad file descriptor) [pid 22633] close(19) = -1 EBADF (Bad file descriptor) [pid 22633] close(20) = -1 EBADF (Bad file descriptor) [pid 22633] close(21) = -1 EBADF (Bad file descriptor) [pid 22633] close(22) = -1 EBADF (Bad file descriptor) [pid 22633] close(23) = -1 EBADF (Bad file descriptor) [pid 22633] close(24) = -1 EBADF (Bad file descriptor) [pid 22633] close(25) = -1 EBADF (Bad file descriptor) [pid 22633] close(26) = -1 EBADF (Bad file descriptor) [pid 22633] close(27) = -1 EBADF (Bad file descriptor) [pid 22633] close(28) = -1 EBADF (Bad file descriptor) [pid 22633] close(29) = -1 EBADF (Bad file descriptor) [pid 22633] exit_group(0 [pid 22634] <... futex resumed>) = ? [pid 22633] <... exit_group resumed>) = ? [pid 22634] +++ exited with 0 +++ [pid 22633] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7677", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7677/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7677/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7677/cgroup.cpu") = 0 [pid 287] umount2("./7677/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7677/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7677/binderfs") = 0 [pid 287] umount2("./7677/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7677/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7677/cgroup") = 0 [pid 287] umount2("./7677/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7677/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7677/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7677") = 0 [pid 287] mkdir("./7678", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22635 attached [pid 22635] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22635] chdir("./7678") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22223 [pid 22635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22635] setpgid(0, 0) = 0 [pid 22635] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22635] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22635] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22635] write(3, "1000", 4) = 4 [pid 22635] close(3) = 0 [pid 22635] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22635] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22635] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22635] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22224]}, 88) = 22224 ./strace-static-x86_64: Process 22636 attached [pid 22635] rt_sigprocmask(SIG_SETMASK, [], [pid 22636] set_robust_list(0x7f3b956fb9a0, 24 [pid 22635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22636] <... set_robust_list resumed>) = 0 [pid 22635] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22636] rt_sigprocmask(SIG_SETMASK, [], [pid 22635] <... futex resumed>) = 0 [pid 22636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22635] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22636] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22636] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22635] <... futex resumed>) = 0 [pid 22636] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22635] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22635] <... futex resumed>) = 0 [pid 22635] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22636] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22636] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22635] <... futex resumed>) = 0 [pid 22636] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22635] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22635] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22636] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22636] <... bpf resumed>) = 0 [pid 22635] <... mmap resumed>) = 0x7f3b956ba000 [pid 22636] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22635] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22636] <... futex resumed>) = 0 [pid 22635] <... mprotect resumed>) = 0 [pid 22636] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22637 attached [pid 22637] set_robust_list(0x7f3b956da9a0, 24 [pid 22635] <... clone3 resumed> => {parent_tid=[22225]}, 88) = 22225 [pid 22637] <... set_robust_list resumed>) = 0 [pid 22635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22635] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22635] <... futex resumed>) = 0 [pid 22637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22635] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22637] <... bpf resumed>) = 5 [pid 22637] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22635] <... futex resumed>) = 0 [pid 22637] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22635] close(3) = 0 [pid 22635] close(4) = 0 [pid 22635] close(5) = 0 [pid 22635] close(6) = -1 EBADF (Bad file descriptor) [pid 22635] close(7) = -1 EBADF (Bad file descriptor) [pid 22635] close(8) = -1 EBADF (Bad file descriptor) [pid 22635] close(9) = -1 EBADF (Bad file descriptor) [pid 22635] close(10) = -1 EBADF (Bad file descriptor) [pid 22635] close(11) = -1 EBADF (Bad file descriptor) [pid 22635] close(12) = -1 EBADF (Bad file descriptor) [pid 22635] close(13) = -1 EBADF (Bad file descriptor) [pid 22635] close(14) = -1 EBADF (Bad file descriptor) [pid 22635] close(15) = -1 EBADF (Bad file descriptor) [pid 22635] close(16) = -1 EBADF (Bad file descriptor) [pid 22635] close(17) = -1 EBADF (Bad file descriptor) [pid 22635] close(18) = -1 EBADF (Bad file descriptor) [pid 22635] close(19) = -1 EBADF (Bad file descriptor) [pid 22635] close(20) = -1 EBADF (Bad file descriptor) [pid 22635] close(21) = -1 EBADF (Bad file descriptor) [pid 22635] close(22) = -1 EBADF (Bad file descriptor) [pid 22635] close(23) = -1 EBADF (Bad file descriptor) [pid 22635] close(24) = -1 EBADF (Bad file descriptor) [pid 22635] close(25) = -1 EBADF (Bad file descriptor) [pid 22635] close(26) = -1 EBADF (Bad file descriptor) [pid 22635] close(27) = -1 EBADF (Bad file descriptor) [pid 22635] close(28) = -1 EBADF (Bad file descriptor) [pid 22635] close(29) = -1 EBADF (Bad file descriptor) [pid 22635] exit_group(0 [pid 22636] <... futex resumed>) = ? [pid 22635] <... exit_group resumed>) = ? [pid 22636] +++ exited with 0 +++ [pid 22637] <... futex resumed>) = ? [pid 22637] +++ exited with 0 +++ [pid 22635] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7678", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7678/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7678/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7678/cgroup.cpu") = 0 [pid 287] umount2("./7678/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7678/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7678/binderfs") = 0 [pid 287] umount2("./7678/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7678/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7678/cgroup") = 0 [pid 287] umount2("./7678/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7678/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7678/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7678") = 0 [pid 287] mkdir("./7679", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22638 attached [pid 22638] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22638] chdir("./7679" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22226 [pid 22638] <... chdir resumed>) = 0 [pid 22638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22638] setpgid(0, 0) = 0 [pid 22638] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22638] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22638] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22638] write(3, "1000", 4) = 4 [pid 22638] close(3) = 0 [pid 22638] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22638] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22638] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22638] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22639 attached [pid 22639] set_robust_list(0x7f3b956fb9a0, 24 [pid 22638] <... clone3 resumed> => {parent_tid=[22227]}, 88) = 22227 [pid 22639] <... set_robust_list resumed>) = 0 [pid 22638] rt_sigprocmask(SIG_SETMASK, [], [pid 22639] rt_sigprocmask(SIG_SETMASK, [], [pid 22638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22638] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22638] <... futex resumed>) = 0 [pid 22639] <... bpf resumed>) = 3 [pid 22638] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22639] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22639] <... futex resumed>) = 0 [pid 22638] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22639] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22638] <... futex resumed>) = 0 [pid 22639] <... bpf resumed>) = 4 [pid 22638] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22639] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22639] <... futex resumed>) = 0 [pid 22638] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22639] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22638] <... futex resumed>) = 0 [pid 22639] <... bpf resumed>) = 0 [pid 22638] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22639] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22638] <... futex resumed>) = 0 [pid 22639] <... futex resumed>) = 0 [pid 22638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22639] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22638] <... mmap resumed>) = 0x7f3b956ba000 [pid 22638] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22640 attached [pid 22640] set_robust_list(0x7f3b956da9a0, 24 [pid 22638] <... clone3 resumed> => {parent_tid=[22228]}, 88) = 22228 [pid 22640] <... set_robust_list resumed>) = 0 [pid 22638] rt_sigprocmask(SIG_SETMASK, [], [pid 22640] rt_sigprocmask(SIG_SETMASK, [], [pid 22638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22638] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22638] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22640] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22640] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22638] <... futex resumed>) = 0 [pid 22640] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22638] close(3) = 0 [pid 22638] close(4) = 0 [pid 22638] close(5) = 0 [pid 22638] close(6) = -1 EBADF (Bad file descriptor) [pid 22638] close(7) = -1 EBADF (Bad file descriptor) [pid 22638] close(8) = -1 EBADF (Bad file descriptor) [pid 22638] close(9) = -1 EBADF (Bad file descriptor) [pid 22638] close(10) = -1 EBADF (Bad file descriptor) [pid 22638] close(11) = -1 EBADF (Bad file descriptor) [pid 22638] close(12) = -1 EBADF (Bad file descriptor) [pid 22638] close(13) = -1 EBADF (Bad file descriptor) [pid 22638] close(14) = -1 EBADF (Bad file descriptor) [pid 22638] close(15) = -1 EBADF (Bad file descriptor) [pid 22638] close(16) = -1 EBADF (Bad file descriptor) [pid 22638] close(17) = -1 EBADF (Bad file descriptor) [pid 22638] close(18) = -1 EBADF (Bad file descriptor) [pid 22638] close(19) = -1 EBADF (Bad file descriptor) [pid 22638] close(20) = -1 EBADF (Bad file descriptor) [pid 22638] close(21) = -1 EBADF (Bad file descriptor) [pid 22638] close(22) = -1 EBADF (Bad file descriptor) [pid 22638] close(23) = -1 EBADF (Bad file descriptor) [pid 22638] close(24) = -1 EBADF (Bad file descriptor) [pid 22638] close(25) = -1 EBADF (Bad file descriptor) [pid 22638] close(26) = -1 EBADF (Bad file descriptor) [pid 22638] close(27) = -1 EBADF (Bad file descriptor) [pid 22638] close(28) = -1 EBADF (Bad file descriptor) [pid 22638] close(29) = -1 EBADF (Bad file descriptor) [pid 22638] exit_group(0 [pid 22640] <... futex resumed>) = ? [pid 22639] <... futex resumed>) = ? [pid 22638] <... exit_group resumed>) = ? [pid 22640] +++ exited with 0 +++ [pid 22639] +++ exited with 0 +++ [pid 22638] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7679", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7679/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7679/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7679/cgroup.cpu") = 0 [pid 287] umount2("./7679/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7679/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7679/binderfs") = 0 [pid 287] umount2("./7679/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7679/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7679/cgroup") = 0 [pid 287] umount2("./7679/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7679/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7679/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7679") = 0 [pid 287] mkdir("./7680", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22641 attached [pid 22641] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22229 [pid 22641] chdir("./7680") = 0 [pid 22641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22641] setpgid(0, 0) = 0 [pid 22641] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22641] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22641] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22641] write(3, "1000", 4) = 4 [pid 22641] close(3) = 0 [pid 22641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22641] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22641] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22641] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22642 attached [pid 22642] set_robust_list(0x7f3b956fb9a0, 24 [pid 22641] <... clone3 resumed> => {parent_tid=[22230]}, 88) = 22230 [pid 22642] <... set_robust_list resumed>) = 0 [pid 22641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22641] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22642] rt_sigprocmask(SIG_SETMASK, [], [pid 22641] <... futex resumed>) = 0 [pid 22642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22641] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22642] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22642] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22641] <... futex resumed>) = 0 [pid 22642] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22641] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22641] <... futex resumed>) = 0 [pid 22642] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22641] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22642] <... bpf resumed>) = 4 [pid 22642] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22641] <... futex resumed>) = 0 [pid 22642] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22641] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22641] <... futex resumed>) = 0 [pid 22642] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22641] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22642] <... bpf resumed>) = 0 [pid 22641] <... mmap resumed>) = 0x7f3b956ba000 [pid 22642] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22641] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22642] <... futex resumed>) = 0 [pid 22641] <... mprotect resumed>) = 0 [pid 22642] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22643 attached [pid 22643] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22641] <... clone3 resumed> => {parent_tid=[22231]}, 88) = 22231 [pid 22643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22641] rt_sigprocmask(SIG_SETMASK, [], [pid 22643] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22641] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22643] <... futex resumed>) = 0 [pid 22641] <... futex resumed>) = 1 [pid 22643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22641] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22643] <... bpf resumed>) = 5 [pid 22643] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22641] <... futex resumed>) = 0 [pid 22643] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22641] close(3) = 0 [pid 22641] close(4) = 0 [pid 22641] close(5) = 0 [pid 22641] close(6) = -1 EBADF (Bad file descriptor) [pid 22641] close(7) = -1 EBADF (Bad file descriptor) [pid 22641] close(8) = -1 EBADF (Bad file descriptor) [pid 22641] close(9) = -1 EBADF (Bad file descriptor) [pid 22641] close(10) = -1 EBADF (Bad file descriptor) [pid 22641] close(11) = -1 EBADF (Bad file descriptor) [pid 22641] close(12) = -1 EBADF (Bad file descriptor) [pid 22641] close(13) = -1 EBADF (Bad file descriptor) [pid 22641] close(14) = -1 EBADF (Bad file descriptor) [pid 22641] close(15) = -1 EBADF (Bad file descriptor) [pid 22641] close(16) = -1 EBADF (Bad file descriptor) [pid 22641] close(17) = -1 EBADF (Bad file descriptor) [pid 22641] close(18) = -1 EBADF (Bad file descriptor) [pid 22641] close(19) = -1 EBADF (Bad file descriptor) [pid 22641] close(20) = -1 EBADF (Bad file descriptor) [pid 22641] close(21) = -1 EBADF (Bad file descriptor) [pid 22641] close(22) = -1 EBADF (Bad file descriptor) [pid 22641] close(23) = -1 EBADF (Bad file descriptor) [pid 22641] close(24) = -1 EBADF (Bad file descriptor) [pid 22641] close(25) = -1 EBADF (Bad file descriptor) [pid 22641] close(26) = -1 EBADF (Bad file descriptor) [pid 22641] close(27) = -1 EBADF (Bad file descriptor) [pid 22641] close(28) = -1 EBADF (Bad file descriptor) [pid 22641] close(29) = -1 EBADF (Bad file descriptor) [pid 22641] exit_group(0 [pid 22643] <... futex resumed>) = ? [pid 22642] <... futex resumed>) = ? [pid 22641] <... exit_group resumed>) = ? [pid 22643] +++ exited with 0 +++ [pid 22642] +++ exited with 0 +++ [pid 22641] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7680", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7680/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7680/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7680/cgroup.cpu") = 0 [pid 287] umount2("./7680/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7680/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7680/binderfs") = 0 [pid 287] umount2("./7680/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7680/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7680/cgroup") = 0 [pid 287] umount2("./7680/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7680/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7680/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7680") = 0 [pid 287] mkdir("./7681", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22644 attached [pid 22644] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22644] chdir("./7681") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22232 [pid 22644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22644] setpgid(0, 0) = 0 [pid 22644] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22644] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22644] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22644] write(3, "1000", 4) = 4 [pid 22644] close(3) = 0 [pid 22644] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22644] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22644] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22644] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22645 attached [pid 22645] set_robust_list(0x7f3b956fb9a0, 24 [pid 22644] <... clone3 resumed> => {parent_tid=[22233]}, 88) = 22233 [pid 22645] <... set_robust_list resumed>) = 0 [pid 22644] rt_sigprocmask(SIG_SETMASK, [], [pid 22645] rt_sigprocmask(SIG_SETMASK, [], [pid 22644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22644] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22645] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22644] <... futex resumed>) = 0 [pid 22645] <... bpf resumed>) = 3 [pid 22644] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22645] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22645] <... futex resumed>) = 0 [pid 22644] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22645] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22644] <... futex resumed>) = 0 [pid 22645] <... bpf resumed>) = 4 [pid 22644] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22645] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22645] <... futex resumed>) = 0 [pid 22644] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22645] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22644] <... futex resumed>) = 0 [pid 22645] <... bpf resumed>) = 0 [pid 22644] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22645] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22644] <... futex resumed>) = 0 [pid 22645] <... futex resumed>) = 0 [pid 22644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22645] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22644] <... mmap resumed>) = 0x7f3b956ba000 [pid 22644] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22234]}, 88) = 22234 ./strace-static-x86_64: Process 22646 attached [pid 22644] rt_sigprocmask(SIG_SETMASK, [], [pid 22646] set_robust_list(0x7f3b956da9a0, 24 [pid 22644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22646] <... set_robust_list resumed>) = 0 [pid 22644] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22646] rt_sigprocmask(SIG_SETMASK, [], [pid 22644] <... futex resumed>) = 0 [pid 22646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22644] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22646] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22644] <... futex resumed>) = 0 [pid 22646] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22644] close(3) = 0 [pid 22644] close(4) = 0 [pid 22644] close(5) = 0 [pid 22644] close(6) = -1 EBADF (Bad file descriptor) [pid 22644] close(7) = -1 EBADF (Bad file descriptor) [pid 22644] close(8) = -1 EBADF (Bad file descriptor) [pid 22644] close(9) = -1 EBADF (Bad file descriptor) [pid 22644] close(10) = -1 EBADF (Bad file descriptor) [pid 22644] close(11) = -1 EBADF (Bad file descriptor) [pid 22644] close(12) = -1 EBADF (Bad file descriptor) [pid 22644] close(13) = -1 EBADF (Bad file descriptor) [pid 22644] close(14) = -1 EBADF (Bad file descriptor) [pid 22644] close(15) = -1 EBADF (Bad file descriptor) [pid 22644] close(16) = -1 EBADF (Bad file descriptor) [pid 22644] close(17) = -1 EBADF (Bad file descriptor) [pid 22644] close(18) = -1 EBADF (Bad file descriptor) [pid 22644] close(19) = -1 EBADF (Bad file descriptor) [pid 22644] close(20) = -1 EBADF (Bad file descriptor) [pid 22644] close(21) = -1 EBADF (Bad file descriptor) [pid 22644] close(22) = -1 EBADF (Bad file descriptor) [pid 22644] close(23) = -1 EBADF (Bad file descriptor) [pid 22644] close(24) = -1 EBADF (Bad file descriptor) [pid 22644] close(25) = -1 EBADF (Bad file descriptor) [pid 22644] close(26) = -1 EBADF (Bad file descriptor) [pid 22644] close(27) = -1 EBADF (Bad file descriptor) [pid 22644] close(28) = -1 EBADF (Bad file descriptor) [pid 22644] close(29) = -1 EBADF (Bad file descriptor) [pid 22644] exit_group(0 [pid 22646] <... futex resumed>) = ? [pid 22645] <... futex resumed>) = ? [pid 22644] <... exit_group resumed>) = ? [pid 22646] +++ exited with 0 +++ [pid 22645] +++ exited with 0 +++ [pid 22644] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7681", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7681/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7681/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7681/cgroup.cpu") = 0 [pid 287] umount2("./7681/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7681/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7681/binderfs") = 0 [pid 287] umount2("./7681/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7681/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7681/cgroup") = 0 [pid 287] umount2("./7681/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7681/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7681/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7681") = 0 [pid 287] mkdir("./7682", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22647 attached [pid 22647] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22647] chdir("./7682") = 0 [pid 22647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22647] setpgid(0, 0) = 0 [pid 22647] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22647] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22647] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22647] write(3, "1000", 4) = 4 [pid 22647] close(3) = 0 [pid 22647] symlink("/dev/binderfs", "./binderfs") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22235 [pid 22647] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22647] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22647] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22648 attached [pid 22648] set_robust_list(0x7f3b956fb9a0, 24 [pid 22647] <... clone3 resumed> => {parent_tid=[22236]}, 88) = 22236 [pid 22648] <... set_robust_list resumed>) = 0 [pid 22647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22647] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22648] rt_sigprocmask(SIG_SETMASK, [], [pid 22647] <... futex resumed>) = 0 [pid 22648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22647] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22648] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22647] <... futex resumed>) = 0 [pid 22648] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22647] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22647] <... futex resumed>) = 0 [pid 22648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22647] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22648] <... bpf resumed>) = 4 [pid 22648] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22647] <... futex resumed>) = 0 [pid 22648] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22647] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22647] <... futex resumed>) = 0 [pid 22648] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22647] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22648] <... bpf resumed>) = 0 [pid 22647] <... futex resumed>) = 0 [pid 22647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22648] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22647] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22648] <... futex resumed>) = 0 [pid 22647] <... mprotect resumed>) = 0 [pid 22648] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22649 attached [pid 22649] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22647] <... clone3 resumed> => {parent_tid=[22237]}, 88) = 22237 [pid 22649] rt_sigprocmask(SIG_SETMASK, [], [pid 22647] rt_sigprocmask(SIG_SETMASK, [], [pid 22649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22649] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22647] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22649] <... futex resumed>) = 0 [pid 22647] <... futex resumed>) = 1 [pid 22649] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22647] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22649] <... bpf resumed>) = 5 [pid 22649] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22647] <... futex resumed>) = 0 [pid 22649] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22647] close(3) = 0 [pid 22647] close(4) = 0 [pid 22647] close(5) = 0 [pid 22647] close(6) = -1 EBADF (Bad file descriptor) [pid 22647] close(7) = -1 EBADF (Bad file descriptor) [pid 22647] close(8) = -1 EBADF (Bad file descriptor) [pid 22647] close(9) = -1 EBADF (Bad file descriptor) [pid 22647] close(10) = -1 EBADF (Bad file descriptor) [pid 22647] close(11) = -1 EBADF (Bad file descriptor) [pid 22647] close(12) = -1 EBADF (Bad file descriptor) [pid 22647] close(13) = -1 EBADF (Bad file descriptor) [pid 22647] close(14) = -1 EBADF (Bad file descriptor) [pid 22647] close(15) = -1 EBADF (Bad file descriptor) [pid 22647] close(16) = -1 EBADF (Bad file descriptor) [pid 22647] close(17) = -1 EBADF (Bad file descriptor) [pid 22647] close(18) = -1 EBADF (Bad file descriptor) [pid 22647] close(19) = -1 EBADF (Bad file descriptor) [pid 22647] close(20) = -1 EBADF (Bad file descriptor) [pid 22647] close(21) = -1 EBADF (Bad file descriptor) [pid 22647] close(22) = -1 EBADF (Bad file descriptor) [pid 22647] close(23) = -1 EBADF (Bad file descriptor) [pid 22647] close(24) = -1 EBADF (Bad file descriptor) [pid 22647] close(25) = -1 EBADF (Bad file descriptor) [pid 22647] close(26) = -1 EBADF (Bad file descriptor) [pid 22647] close(27) = -1 EBADF (Bad file descriptor) [pid 22647] close(28) = -1 EBADF (Bad file descriptor) [pid 22647] close(29) = -1 EBADF (Bad file descriptor) [pid 22647] exit_group(0 [pid 22649] <... futex resumed>) = ? [pid 22648] <... futex resumed>) = ? [pid 22647] <... exit_group resumed>) = ? [pid 22649] +++ exited with 0 +++ [pid 22648] +++ exited with 0 +++ [pid 22647] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7682", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7682/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7682/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7682/cgroup.cpu") = 0 [pid 287] umount2("./7682/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7682/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7682/binderfs") = 0 [pid 287] umount2("./7682/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7682/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7682/cgroup") = 0 [pid 287] umount2("./7682/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7682/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7682/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7682") = 0 [pid 287] mkdir("./7683", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22650 attached [pid 22650] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22650] chdir("./7683" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22238 [pid 22650] <... chdir resumed>) = 0 [pid 22650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22650] setpgid(0, 0) = 0 [pid 22650] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22650] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22650] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22650] write(3, "1000", 4) = 4 [pid 22650] close(3) = 0 [pid 22650] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22650] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22650] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22650] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22651 attached [pid 22651] set_robust_list(0x7f3b956fb9a0, 24 [pid 22650] <... clone3 resumed> => {parent_tid=[22239]}, 88) = 22239 [pid 22651] <... set_robust_list resumed>) = 0 [pid 22650] rt_sigprocmask(SIG_SETMASK, [], [pid 22651] rt_sigprocmask(SIG_SETMASK, [], [pid 22650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22650] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22650] <... futex resumed>) = 0 [pid 22651] <... bpf resumed>) = 3 [pid 22650] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22651] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22651] <... futex resumed>) = 0 [pid 22650] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22650] <... futex resumed>) = 0 [pid 22651] <... bpf resumed>) = 4 [pid 22650] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22651] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22651] <... futex resumed>) = 0 [pid 22650] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22651] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22650] <... futex resumed>) = 0 [pid 22651] <... bpf resumed>) = 0 [pid 22650] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22651] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22650] <... futex resumed>) = 0 [pid 22651] <... futex resumed>) = 0 [pid 22650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22651] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22650] <... mmap resumed>) = 0x7f3b956ba000 [pid 22650] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22652 attached => {parent_tid=[22240]}, 88) = 22240 [pid 22652] set_robust_list(0x7f3b956da9a0, 24 [pid 22650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22650] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22652] <... set_robust_list resumed>) = 0 [pid 22650] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22652] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22650] <... futex resumed>) = 0 [pid 22652] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22650] close(3) = 0 [pid 22650] close(4) = 0 [pid 22650] close(5) = 0 [pid 22650] close(6) = -1 EBADF (Bad file descriptor) [pid 22650] close(7) = -1 EBADF (Bad file descriptor) [pid 22650] close(8) = -1 EBADF (Bad file descriptor) [pid 22650] close(9) = -1 EBADF (Bad file descriptor) [pid 22650] close(10) = -1 EBADF (Bad file descriptor) [pid 22650] close(11) = -1 EBADF (Bad file descriptor) [pid 22650] close(12) = -1 EBADF (Bad file descriptor) [pid 22650] close(13) = -1 EBADF (Bad file descriptor) [pid 22650] close(14) = -1 EBADF (Bad file descriptor) [pid 22650] close(15) = -1 EBADF (Bad file descriptor) [pid 22650] close(16) = -1 EBADF (Bad file descriptor) [pid 22650] close(17) = -1 EBADF (Bad file descriptor) [pid 22650] close(18) = -1 EBADF (Bad file descriptor) [pid 22650] close(19) = -1 EBADF (Bad file descriptor) [pid 22650] close(20) = -1 EBADF (Bad file descriptor) [pid 22650] close(21) = -1 EBADF (Bad file descriptor) [pid 22650] close(22) = -1 EBADF (Bad file descriptor) [pid 22650] close(23) = -1 EBADF (Bad file descriptor) [pid 22650] close(24) = -1 EBADF (Bad file descriptor) [pid 22650] close(25) = -1 EBADF (Bad file descriptor) [pid 22650] close(26) = -1 EBADF (Bad file descriptor) [pid 22650] close(27) = -1 EBADF (Bad file descriptor) [pid 22650] close(28) = -1 EBADF (Bad file descriptor) [pid 22650] close(29) = -1 EBADF (Bad file descriptor) [pid 22650] exit_group(0 [pid 22651] <... futex resumed>) = ? [pid 22650] <... exit_group resumed>) = ? [pid 22651] +++ exited with 0 +++ [pid 22652] <... futex resumed>) = ? [pid 22652] +++ exited with 0 +++ [pid 22650] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7683", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7683/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7683/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7683/cgroup.cpu") = 0 [pid 287] umount2("./7683/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7683/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7683/binderfs") = 0 [pid 287] umount2("./7683/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7683/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7683/cgroup") = 0 [pid 287] umount2("./7683/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7683/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7683/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7683") = 0 [pid 287] mkdir("./7684", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22653 attached [pid 22653] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22653] chdir("./7684") = 0 [pid 22653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22653] setpgid(0, 0) = 0 [pid 22653] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22653] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22241 [pid 22653] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22653] write(3, "1000", 4) = 4 [pid 22653] close(3) = 0 [pid 22653] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22653] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22653] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22653] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22654 attached => {parent_tid=[22242]}, 88) = 22242 [pid 22654] set_robust_list(0x7f3b956fb9a0, 24 [pid 22653] rt_sigprocmask(SIG_SETMASK, [], [pid 22654] <... set_robust_list resumed>) = 0 [pid 22653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22654] rt_sigprocmask(SIG_SETMASK, [], [pid 22653] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22653] <... futex resumed>) = 0 [pid 22653] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22654] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22653] <... futex resumed>) = 0 [pid 22654] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22653] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22653] <... futex resumed>) = 0 [pid 22654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22653] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22654] <... bpf resumed>) = 4 [pid 22654] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22653] <... futex resumed>) = 0 [pid 22654] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22653] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22653] <... futex resumed>) = 0 [pid 22654] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22653] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22654] <... bpf resumed>) = 0 [pid 22653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22654] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22653] <... mmap resumed>) = 0x7f3b956ba000 [pid 22653] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22654] <... futex resumed>) = 0 [pid 22653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22654] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22655 attached [pid 22655] set_robust_list(0x7f3b956da9a0, 24 [pid 22653] <... clone3 resumed> => {parent_tid=[22243]}, 88) = 22243 [pid 22655] <... set_robust_list resumed>) = 0 [pid 22655] rt_sigprocmask(SIG_SETMASK, [], [pid 22653] rt_sigprocmask(SIG_SETMASK, [], [pid 22655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22653] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22653] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22655] <... bpf resumed>) = 5 [pid 22655] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22653] <... futex resumed>) = 0 [pid 22655] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22653] close(3) = 0 [pid 22653] close(4) = 0 [pid 22653] close(5) = 0 [pid 22653] close(6) = -1 EBADF (Bad file descriptor) [pid 22653] close(7) = -1 EBADF (Bad file descriptor) [pid 22653] close(8) = -1 EBADF (Bad file descriptor) [pid 22653] close(9) = -1 EBADF (Bad file descriptor) [pid 22653] close(10) = -1 EBADF (Bad file descriptor) [pid 22653] close(11) = -1 EBADF (Bad file descriptor) [pid 22653] close(12) = -1 EBADF (Bad file descriptor) [pid 22653] close(13) = -1 EBADF (Bad file descriptor) [pid 22653] close(14) = -1 EBADF (Bad file descriptor) [pid 22653] close(15) = -1 EBADF (Bad file descriptor) [pid 22653] close(16) = -1 EBADF (Bad file descriptor) [pid 22653] close(17) = -1 EBADF (Bad file descriptor) [pid 22653] close(18) = -1 EBADF (Bad file descriptor) [pid 22653] close(19) = -1 EBADF (Bad file descriptor) [pid 22653] close(20) = -1 EBADF (Bad file descriptor) [pid 22653] close(21) = -1 EBADF (Bad file descriptor) [pid 22653] close(22) = -1 EBADF (Bad file descriptor) [pid 22653] close(23) = -1 EBADF (Bad file descriptor) [pid 22653] close(24) = -1 EBADF (Bad file descriptor) [pid 22653] close(25) = -1 EBADF (Bad file descriptor) [pid 22653] close(26) = -1 EBADF (Bad file descriptor) [pid 22653] close(27) = -1 EBADF (Bad file descriptor) [pid 22653] close(28) = -1 EBADF (Bad file descriptor) [pid 22653] close(29) = -1 EBADF (Bad file descriptor) [pid 22653] exit_group(0 [pid 22655] <... futex resumed>) = ? [pid 22654] <... futex resumed>) = ? [pid 22653] <... exit_group resumed>) = ? [pid 22655] +++ exited with 0 +++ [pid 22654] +++ exited with 0 +++ [pid 22653] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7684", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7684/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7684/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7684/cgroup.cpu") = 0 [pid 287] umount2("./7684/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7684/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7684/binderfs") = 0 [pid 287] umount2("./7684/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7684/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7684/cgroup") = 0 [pid 287] umount2("./7684/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7684/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7684/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7684") = 0 [pid 287] mkdir("./7685", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22656 attached [pid 22656] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22244 [pid 22656] chdir("./7685") = 0 [pid 22656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22656] setpgid(0, 0) = 0 [pid 22656] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22656] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22656] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22656] write(3, "1000", 4) = 4 [pid 22656] close(3) = 0 [pid 22656] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22656] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22656] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22656] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22657 attached => {parent_tid=[22245]}, 88) = 22245 [pid 22656] rt_sigprocmask(SIG_SETMASK, [], [pid 22657] set_robust_list(0x7f3b956fb9a0, 24 [pid 22656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22657] <... set_robust_list resumed>) = 0 [pid 22656] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22657] rt_sigprocmask(SIG_SETMASK, [], [pid 22656] <... futex resumed>) = 0 [pid 22657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22656] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22657] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22657] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22656] <... futex resumed>) = 0 [pid 22657] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22656] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22657] <... bpf resumed>) = 4 [pid 22656] <... futex resumed>) = 0 [pid 22657] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22656] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22657] <... futex resumed>) = 0 [pid 22656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22657] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22656] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22656] <... futex resumed>) = 0 [pid 22656] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22657] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22657] <... bpf resumed>) = 0 [pid 22656] <... mmap resumed>) = 0x7f3b956ba000 [pid 22657] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22656] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22657] <... futex resumed>) = 0 [pid 22656] <... mprotect resumed>) = 0 [pid 22657] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22246]}, 88) = 22246 ./strace-static-x86_64: Process 22658 attached [pid 22658] set_robust_list(0x7f3b956da9a0, 24 [pid 22656] rt_sigprocmask(SIG_SETMASK, [], [pid 22658] <... set_robust_list resumed>) = 0 [pid 22658] rt_sigprocmask(SIG_SETMASK, [], [pid 22656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22656] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22656] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22658] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22658] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22656] <... futex resumed>) = 0 [pid 22658] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22656] close(3) = 0 [pid 22656] close(4) = 0 [pid 22656] close(5) = 0 [pid 22656] close(6) = -1 EBADF (Bad file descriptor) [pid 22656] close(7) = -1 EBADF (Bad file descriptor) [pid 22656] close(8) = -1 EBADF (Bad file descriptor) [pid 22656] close(9) = -1 EBADF (Bad file descriptor) [pid 22656] close(10) = -1 EBADF (Bad file descriptor) [pid 22656] close(11) = -1 EBADF (Bad file descriptor) [pid 22656] close(12) = -1 EBADF (Bad file descriptor) [pid 22656] close(13) = -1 EBADF (Bad file descriptor) [pid 22656] close(14) = -1 EBADF (Bad file descriptor) [pid 22656] close(15) = -1 EBADF (Bad file descriptor) [pid 22656] close(16) = -1 EBADF (Bad file descriptor) [pid 22656] close(17) = -1 EBADF (Bad file descriptor) [pid 22656] close(18) = -1 EBADF (Bad file descriptor) [pid 22656] close(19) = -1 EBADF (Bad file descriptor) [pid 22656] close(20) = -1 EBADF (Bad file descriptor) [pid 22656] close(21) = -1 EBADF (Bad file descriptor) [pid 22656] close(22) = -1 EBADF (Bad file descriptor) [pid 22656] close(23) = -1 EBADF (Bad file descriptor) [pid 22656] close(24) = -1 EBADF (Bad file descriptor) [pid 22656] close(25) = -1 EBADF (Bad file descriptor) [pid 22656] close(26) = -1 EBADF (Bad file descriptor) [pid 22656] close(27) = -1 EBADF (Bad file descriptor) [pid 22656] close(28) = -1 EBADF (Bad file descriptor) [pid 22656] close(29) = -1 EBADF (Bad file descriptor) [pid 22656] exit_group(0 [pid 22658] <... futex resumed>) = ? [pid 22657] <... futex resumed>) = ? [pid 22656] <... exit_group resumed>) = ? [pid 22658] +++ exited with 0 +++ [pid 22657] +++ exited with 0 +++ [pid 22656] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7685", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7685/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7685/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7685/cgroup.cpu") = 0 [pid 287] umount2("./7685/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7685/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7685/binderfs") = 0 [pid 287] umount2("./7685/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7685/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7685/cgroup") = 0 [pid 287] umount2("./7685/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7685/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7685/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7685") = 0 [pid 287] mkdir("./7686", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22659 attached [pid 22659] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22659] chdir("./7686") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22247 [pid 22659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22659] setpgid(0, 0) = 0 [pid 22659] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22659] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22659] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22659] write(3, "1000", 4) = 4 [pid 22659] close(3) = 0 [pid 22659] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22659] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22659] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22659] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22248]}, 88) = 22248 [pid 22659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22659] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22659] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 22660 attached [pid 22660] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22660] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22659] <... futex resumed>) = 0 [pid 22660] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22659] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22659] <... futex resumed>) = 0 [pid 22660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22659] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22660] <... bpf resumed>) = 4 [pid 22660] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22659] <... futex resumed>) = 0 [pid 22660] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22659] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22659] <... futex resumed>) = 0 [pid 22660] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22659] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22660] <... bpf resumed>) = 0 [pid 22659] <... futex resumed>) = 0 [pid 22660] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22660] <... futex resumed>) = 0 [pid 22659] <... mmap resumed>) = 0x7f3b956ba000 [pid 22660] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22659] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22661 attached [pid 22661] set_robust_list(0x7f3b956da9a0, 24 [pid 22659] <... clone3 resumed> => {parent_tid=[22249]}, 88) = 22249 [pid 22661] <... set_robust_list resumed>) = 0 [pid 22661] rt_sigprocmask(SIG_SETMASK, [], [pid 22659] rt_sigprocmask(SIG_SETMASK, [], [pid 22661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22661] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22659] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22661] <... futex resumed>) = 0 [pid 22659] <... futex resumed>) = 1 [pid 22661] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22659] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22661] <... bpf resumed>) = 5 [pid 22661] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22659] <... futex resumed>) = 0 [pid 22661] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22659] close(3) = 0 [pid 22659] close(4) = 0 [pid 22659] close(5) = 0 [pid 22659] close(6) = -1 EBADF (Bad file descriptor) [pid 22659] close(7) = -1 EBADF (Bad file descriptor) [pid 22659] close(8) = -1 EBADF (Bad file descriptor) [pid 22659] close(9) = -1 EBADF (Bad file descriptor) [pid 22659] close(10) = -1 EBADF (Bad file descriptor) [pid 22659] close(11) = -1 EBADF (Bad file descriptor) [pid 22659] close(12) = -1 EBADF (Bad file descriptor) [pid 22659] close(13) = -1 EBADF (Bad file descriptor) [pid 22659] close(14) = -1 EBADF (Bad file descriptor) [pid 22659] close(15) = -1 EBADF (Bad file descriptor) [pid 22659] close(16) = -1 EBADF (Bad file descriptor) [pid 22659] close(17) = -1 EBADF (Bad file descriptor) [pid 22659] close(18) = -1 EBADF (Bad file descriptor) [pid 22659] close(19) = -1 EBADF (Bad file descriptor) [pid 22659] close(20) = -1 EBADF (Bad file descriptor) [pid 22659] close(21) = -1 EBADF (Bad file descriptor) [pid 22659] close(22) = -1 EBADF (Bad file descriptor) [pid 22659] close(23) = -1 EBADF (Bad file descriptor) [pid 22659] close(24) = -1 EBADF (Bad file descriptor) [pid 22659] close(25) = -1 EBADF (Bad file descriptor) [pid 22659] close(26) = -1 EBADF (Bad file descriptor) [pid 22659] close(27) = -1 EBADF (Bad file descriptor) [pid 22659] close(28) = -1 EBADF (Bad file descriptor) [pid 22659] close(29) = -1 EBADF (Bad file descriptor) [pid 22659] exit_group(0) = ? [pid 22660] <... futex resumed>) = ? [pid 22661] <... futex resumed>) = ? [pid 22661] +++ exited with 0 +++ [pid 22660] +++ exited with 0 +++ [pid 22659] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7686", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7686/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7686/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7686/cgroup.cpu") = 0 [pid 287] umount2("./7686/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7686/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7686/binderfs") = 0 [pid 287] umount2("./7686/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7686/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7686/cgroup") = 0 [pid 287] umount2("./7686/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7686/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7686/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7686") = 0 [pid 287] mkdir("./7687", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22662 attached [pid 22662] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22250 [pid 22662] chdir("./7687") = 0 [pid 22662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22662] setpgid(0, 0) = 0 [pid 22662] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22662] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22662] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22662] write(3, "1000", 4) = 4 [pid 22662] close(3) = 0 [pid 22662] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22662] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22662] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22662] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22663 attached [pid 22663] set_robust_list(0x7f3b956fb9a0, 24 [pid 22662] <... clone3 resumed> => {parent_tid=[22251]}, 88) = 22251 [pid 22663] <... set_robust_list resumed>) = 0 [pid 22662] rt_sigprocmask(SIG_SETMASK, [], [pid 22663] rt_sigprocmask(SIG_SETMASK, [], [pid 22662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22662] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22663] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22662] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22663] <... bpf resumed>) = 3 [pid 22663] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22662] <... futex resumed>) = 0 [pid 22663] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22662] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22662] <... futex resumed>) = 0 [pid 22663] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22662] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22663] <... bpf resumed>) = 4 [pid 22663] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22662] <... futex resumed>) = 0 [pid 22663] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22662] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22662] <... futex resumed>) = 0 [pid 22663] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22662] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22663] <... bpf resumed>) = 0 [pid 22662] <... futex resumed>) = 0 [pid 22663] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22663] <... futex resumed>) = 0 [pid 22662] <... mmap resumed>) = 0x7f3b956ba000 [pid 22663] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22662] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22664 attached [pid 22664] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22662] <... clone3 resumed> => {parent_tid=[22252]}, 88) = 22252 [pid 22664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22662] rt_sigprocmask(SIG_SETMASK, [], [pid 22664] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22662] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22664] <... futex resumed>) = 0 [pid 22664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22662] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22664] <... bpf resumed>) = 5 [pid 22664] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22662] <... futex resumed>) = 0 [pid 22664] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22662] close(3) = 0 [pid 22662] close(4) = 0 [pid 22662] close(5) = 0 [pid 22662] close(6) = -1 EBADF (Bad file descriptor) [pid 22662] close(7) = -1 EBADF (Bad file descriptor) [pid 22662] close(8) = -1 EBADF (Bad file descriptor) [pid 22662] close(9) = -1 EBADF (Bad file descriptor) [pid 22662] close(10) = -1 EBADF (Bad file descriptor) [pid 22662] close(11) = -1 EBADF (Bad file descriptor) [pid 22662] close(12) = -1 EBADF (Bad file descriptor) [pid 22662] close(13) = -1 EBADF (Bad file descriptor) [pid 22662] close(14) = -1 EBADF (Bad file descriptor) [pid 22662] close(15) = -1 EBADF (Bad file descriptor) [pid 22662] close(16) = -1 EBADF (Bad file descriptor) [pid 22662] close(17) = -1 EBADF (Bad file descriptor) [pid 22662] close(18) = -1 EBADF (Bad file descriptor) [pid 22662] close(19) = -1 EBADF (Bad file descriptor) [pid 22662] close(20) = -1 EBADF (Bad file descriptor) [pid 22662] close(21) = -1 EBADF (Bad file descriptor) [pid 22662] close(22) = -1 EBADF (Bad file descriptor) [pid 22662] close(23) = -1 EBADF (Bad file descriptor) [pid 22662] close(24) = -1 EBADF (Bad file descriptor) [pid 22662] close(25) = -1 EBADF (Bad file descriptor) [pid 22662] close(26) = -1 EBADF (Bad file descriptor) [pid 22662] close(27) = -1 EBADF (Bad file descriptor) [pid 22662] close(28) = -1 EBADF (Bad file descriptor) [pid 22662] close(29) = -1 EBADF (Bad file descriptor) [pid 22662] exit_group(0) = ? [pid 22663] <... futex resumed>) = ? [pid 22664] <... futex resumed>) = ? [pid 22664] +++ exited with 0 +++ [pid 22663] +++ exited with 0 +++ [pid 22662] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7687", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7687/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7687/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7687/cgroup.cpu") = 0 [pid 287] umount2("./7687/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7687/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7687/binderfs") = 0 [pid 287] umount2("./7687/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7687/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7687/cgroup") = 0 [pid 287] umount2("./7687/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7687/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7687/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7687") = 0 [pid 287] mkdir("./7688", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22665 attached [pid 22665] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22665] chdir("./7688" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22253 [pid 22665] <... chdir resumed>) = 0 [pid 22665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22665] setpgid(0, 0) = 0 [pid 22665] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22665] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22665] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22665] write(3, "1000", 4) = 4 [pid 22665] close(3) = 0 [pid 22665] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22665] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22665] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22665] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22666 attached [pid 22666] set_robust_list(0x7f3b956fb9a0, 24 [pid 22665] <... clone3 resumed> => {parent_tid=[22254]}, 88) = 22254 [pid 22666] <... set_robust_list resumed>) = 0 [pid 22665] rt_sigprocmask(SIG_SETMASK, [], [pid 22666] rt_sigprocmask(SIG_SETMASK, [], [pid 22665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22665] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22666] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22665] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22666] <... bpf resumed>) = 3 [pid 22666] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22665] <... futex resumed>) = 0 [pid 22665] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22666] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22665] <... futex resumed>) = 0 [pid 22666] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22665] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22666] <... futex resumed>) = 0 [pid 22665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22666] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22665] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22665] <... futex resumed>) = 0 [pid 22666] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22665] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22666] <... bpf resumed>) = 0 [pid 22665] <... mmap resumed>) = 0x7f3b956ba000 [pid 22666] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22665] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22666] <... futex resumed>) = 0 [pid 22665] <... mprotect resumed>) = 0 [pid 22666] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22667 attached => {parent_tid=[22255]}, 88) = 22255 [pid 22667] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22665] rt_sigprocmask(SIG_SETMASK, [], [pid 22667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22667] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22665] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22667] <... futex resumed>) = 0 [pid 22667] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22665] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22667] <... bpf resumed>) = 5 [pid 22667] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22665] <... futex resumed>) = 0 [pid 22667] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22665] close(3) = 0 [pid 22665] close(4) = 0 [pid 22665] close(5) = 0 [pid 22665] close(6) = -1 EBADF (Bad file descriptor) [pid 22665] close(7) = -1 EBADF (Bad file descriptor) [pid 22665] close(8) = -1 EBADF (Bad file descriptor) [pid 22665] close(9) = -1 EBADF (Bad file descriptor) [pid 22665] close(10) = -1 EBADF (Bad file descriptor) [pid 22665] close(11) = -1 EBADF (Bad file descriptor) [pid 22665] close(12) = -1 EBADF (Bad file descriptor) [pid 22665] close(13) = -1 EBADF (Bad file descriptor) [pid 22665] close(14) = -1 EBADF (Bad file descriptor) [pid 22665] close(15) = -1 EBADF (Bad file descriptor) [pid 22665] close(16) = -1 EBADF (Bad file descriptor) [pid 22665] close(17) = -1 EBADF (Bad file descriptor) [pid 22665] close(18) = -1 EBADF (Bad file descriptor) [pid 22665] close(19) = -1 EBADF (Bad file descriptor) [pid 22665] close(20) = -1 EBADF (Bad file descriptor) [pid 22665] close(21) = -1 EBADF (Bad file descriptor) [pid 22665] close(22) = -1 EBADF (Bad file descriptor) [pid 22665] close(23) = -1 EBADF (Bad file descriptor) [pid 22665] close(24) = -1 EBADF (Bad file descriptor) [pid 22665] close(25) = -1 EBADF (Bad file descriptor) [pid 22665] close(26) = -1 EBADF (Bad file descriptor) [pid 22665] close(27) = -1 EBADF (Bad file descriptor) [pid 22665] close(28) = -1 EBADF (Bad file descriptor) [pid 22665] close(29) = -1 EBADF (Bad file descriptor) [pid 22665] exit_group(0) = ? [pid 22666] <... futex resumed>) = ? [pid 22667] <... futex resumed>) = ? [pid 22667] +++ exited with 0 +++ [pid 22666] +++ exited with 0 +++ [pid 22665] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7688", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7688/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7688/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7688/cgroup.cpu") = 0 [pid 287] umount2("./7688/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7688/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7688/binderfs") = 0 [pid 287] umount2("./7688/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7688/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7688/cgroup") = 0 [pid 287] umount2("./7688/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7688/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7688/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7688") = 0 [pid 287] mkdir("./7689", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22668 attached [pid 22668] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22256 [pid 22668] chdir("./7689") = 0 [pid 22668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22668] setpgid(0, 0) = 0 [pid 22668] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22668] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22668] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22668] write(3, "1000", 4) = 4 [pid 22668] close(3) = 0 [pid 22668] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22668] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22668] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22668] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22669 attached [pid 22669] set_robust_list(0x7f3b956fb9a0, 24 [pid 22668] <... clone3 resumed> => {parent_tid=[22257]}, 88) = 22257 [pid 22669] <... set_robust_list resumed>) = 0 [pid 22668] rt_sigprocmask(SIG_SETMASK, [], [pid 22669] rt_sigprocmask(SIG_SETMASK, [], [pid 22668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22668] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22668] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22669] <... bpf resumed>) = 3 [pid 22669] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22668] <... futex resumed>) = 0 [pid 22669] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22668] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22668] <... futex resumed>) = 0 [pid 22669] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22668] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22669] <... bpf resumed>) = 4 [pid 22669] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22668] <... futex resumed>) = 0 [pid 22669] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22668] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22668] <... futex resumed>) = 0 [pid 22668] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22669] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22668] <... futex resumed>) = 0 [pid 22669] <... bpf resumed>) = 0 [pid 22668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22669] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22668] <... mmap resumed>) = 0x7f3b956ba000 [pid 22669] <... futex resumed>) = 0 [pid 22668] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22669] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22668] <... mprotect resumed>) = 0 [pid 22668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22670 attached [pid 22670] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22668] <... clone3 resumed> => {parent_tid=[22258]}, 88) = 22258 [pid 22670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22668] rt_sigprocmask(SIG_SETMASK, [], [pid 22670] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22668] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22670] <... futex resumed>) = 0 [pid 22668] <... futex resumed>) = 1 [pid 22670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22668] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22670] <... bpf resumed>) = 5 [pid 22670] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22668] <... futex resumed>) = 0 [pid 22670] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22668] close(3) = 0 [pid 22668] close(4) = 0 [pid 22668] close(5) = 0 [pid 22668] close(6) = -1 EBADF (Bad file descriptor) [pid 22668] close(7) = -1 EBADF (Bad file descriptor) [pid 22668] close(8) = -1 EBADF (Bad file descriptor) [pid 22668] close(9) = -1 EBADF (Bad file descriptor) [pid 22668] close(10) = -1 EBADF (Bad file descriptor) [pid 22668] close(11) = -1 EBADF (Bad file descriptor) [pid 22668] close(12) = -1 EBADF (Bad file descriptor) [pid 22668] close(13) = -1 EBADF (Bad file descriptor) [pid 22668] close(14) = -1 EBADF (Bad file descriptor) [pid 22668] close(15) = -1 EBADF (Bad file descriptor) [pid 22668] close(16) = -1 EBADF (Bad file descriptor) [pid 22668] close(17) = -1 EBADF (Bad file descriptor) [pid 22668] close(18) = -1 EBADF (Bad file descriptor) [pid 22668] close(19) = -1 EBADF (Bad file descriptor) [pid 22668] close(20) = -1 EBADF (Bad file descriptor) [pid 22668] close(21) = -1 EBADF (Bad file descriptor) [pid 22668] close(22) = -1 EBADF (Bad file descriptor) [pid 22668] close(23) = -1 EBADF (Bad file descriptor) [pid 22668] close(24) = -1 EBADF (Bad file descriptor) [pid 22668] close(25) = -1 EBADF (Bad file descriptor) [pid 22668] close(26) = -1 EBADF (Bad file descriptor) [pid 22668] close(27) = -1 EBADF (Bad file descriptor) [pid 22668] close(28) = -1 EBADF (Bad file descriptor) [pid 22668] close(29) = -1 EBADF (Bad file descriptor) [pid 22668] exit_group(0 [pid 22669] <... futex resumed>) = ? [pid 22668] <... exit_group resumed>) = ? [pid 22670] <... futex resumed>) = ? [pid 22669] +++ exited with 0 +++ [pid 22670] +++ exited with 0 +++ [pid 22668] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7689", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7689/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7689/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7689/cgroup.cpu") = 0 [pid 287] umount2("./7689/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7689/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7689/binderfs") = 0 [pid 287] umount2("./7689/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7689/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7689/cgroup") = 0 [pid 287] umount2("./7689/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7689/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7689/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7689") = 0 [pid 287] mkdir("./7690", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22671 attached [pid 22671] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22671] chdir("./7690") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22259 [pid 22671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22671] setpgid(0, 0) = 0 [pid 22671] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22671] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22671] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22671] write(3, "1000", 4) = 4 [pid 22671] close(3) = 0 [pid 22671] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22671] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22671] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22671] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22672 attached [pid 22672] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22671] <... clone3 resumed> => {parent_tid=[22260]}, 88) = 22260 [pid 22672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22671] rt_sigprocmask(SIG_SETMASK, [], [pid 22672] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22671] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22672] <... futex resumed>) = 0 [pid 22671] <... futex resumed>) = 1 [pid 22672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22671] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22672] <... bpf resumed>) = 3 [pid 22672] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22672] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22671] <... futex resumed>) = 0 [pid 22671] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22672] <... futex resumed>) = 0 [pid 22671] <... futex resumed>) = 1 [pid 22672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22671] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22672] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22672] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22671] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22672] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22671] <... futex resumed>) = 0 [pid 22672] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22671] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22671] <... futex resumed>) = 0 [pid 22672] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22671] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22672] <... futex resumed>) = 0 [pid 22671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22672] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22671] close(3) = 0 [pid 22671] close(4) = 0 [pid 22671] close(5) = 0 [pid 22671] close(6) = -1 EBADF (Bad file descriptor) [pid 22671] close(7) = -1 EBADF (Bad file descriptor) [pid 22671] close(8) = -1 EBADF (Bad file descriptor) [pid 22671] close(9) = -1 EBADF (Bad file descriptor) [pid 22671] close(10) = -1 EBADF (Bad file descriptor) [pid 22671] close(11) = -1 EBADF (Bad file descriptor) [pid 22671] close(12) = -1 EBADF (Bad file descriptor) [pid 22671] close(13) = -1 EBADF (Bad file descriptor) [pid 22671] close(14) = -1 EBADF (Bad file descriptor) [pid 22671] close(15) = -1 EBADF (Bad file descriptor) [pid 22671] close(16) = -1 EBADF (Bad file descriptor) [pid 22671] close(17) = -1 EBADF (Bad file descriptor) [pid 22671] close(18) = -1 EBADF (Bad file descriptor) [pid 22671] close(19) = -1 EBADF (Bad file descriptor) [pid 22671] close(20) = -1 EBADF (Bad file descriptor) [pid 22671] close(21) = -1 EBADF (Bad file descriptor) [pid 22671] close(22) = -1 EBADF (Bad file descriptor) [pid 22671] close(23) = -1 EBADF (Bad file descriptor) [pid 22671] close(24) = -1 EBADF (Bad file descriptor) [pid 22671] close(25) = -1 EBADF (Bad file descriptor) [pid 22671] close(26) = -1 EBADF (Bad file descriptor) [pid 22671] close(27) = -1 EBADF (Bad file descriptor) [pid 22671] close(28) = -1 EBADF (Bad file descriptor) [pid 22671] close(29) = -1 EBADF (Bad file descriptor) [pid 22671] exit_group(0 [pid 22672] <... futex resumed>) = ? [pid 22671] <... exit_group resumed>) = ? [pid 22672] +++ exited with 0 +++ [pid 22671] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7690", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7690/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7690/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7690/cgroup.cpu") = 0 [pid 287] umount2("./7690/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7690/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7690/binderfs") = 0 [pid 287] umount2("./7690/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7690/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7690/cgroup") = 0 [pid 287] umount2("./7690/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7690/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7690/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7690") = 0 [pid 287] mkdir("./7691", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22673 attached [pid 22673] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22673] chdir("./7691") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22261 [pid 22673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22673] setpgid(0, 0) = 0 [pid 22673] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22673] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22673] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22673] write(3, "1000", 4) = 4 [pid 22673] close(3) = 0 [pid 22673] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22673] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22673] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22673] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22673] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22674 attached [pid 22674] set_robust_list(0x7f3b956fb9a0, 24 [pid 22673] <... clone3 resumed> => {parent_tid=[22262]}, 88) = 22262 [pid 22674] <... set_robust_list resumed>) = 0 [pid 22673] rt_sigprocmask(SIG_SETMASK, [], [pid 22674] rt_sigprocmask(SIG_SETMASK, [], [pid 22673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22673] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22673] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22674] <... bpf resumed>) = 3 [pid 22674] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22673] <... futex resumed>) = 0 [pid 22674] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22673] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22673] <... futex resumed>) = 0 [pid 22674] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22673] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22674] <... bpf resumed>) = 4 [pid 22674] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22673] <... futex resumed>) = 0 [pid 22674] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22673] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22673] <... futex resumed>) = 0 [pid 22674] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22673] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22674] <... bpf resumed>) = 0 [pid 22673] <... futex resumed>) = 0 [pid 22674] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22674] <... futex resumed>) = 0 [pid 22673] <... mmap resumed>) = 0x7f3b956ba000 [pid 22674] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22673] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22673] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22675 attached [pid 22675] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22675] rt_sigprocmask(SIG_SETMASK, [], [pid 22673] <... clone3 resumed> => {parent_tid=[22263]}, 88) = 22263 [pid 22675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22675] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22673] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22675] <... futex resumed>) = 0 [pid 22673] <... futex resumed>) = 1 [pid 22675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22673] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22675] <... bpf resumed>) = 5 [pid 22675] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22673] <... futex resumed>) = 0 [pid 22675] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22673] close(3) = 0 [pid 22673] close(4) = 0 [pid 22673] close(5) = 0 [pid 22673] close(6) = -1 EBADF (Bad file descriptor) [pid 22673] close(7) = -1 EBADF (Bad file descriptor) [pid 22673] close(8) = -1 EBADF (Bad file descriptor) [pid 22673] close(9) = -1 EBADF (Bad file descriptor) [pid 22673] close(10) = -1 EBADF (Bad file descriptor) [pid 22673] close(11) = -1 EBADF (Bad file descriptor) [pid 22673] close(12) = -1 EBADF (Bad file descriptor) [pid 22673] close(13) = -1 EBADF (Bad file descriptor) [pid 22673] close(14) = -1 EBADF (Bad file descriptor) [pid 22673] close(15) = -1 EBADF (Bad file descriptor) [pid 22673] close(16) = -1 EBADF (Bad file descriptor) [pid 22673] close(17) = -1 EBADF (Bad file descriptor) [pid 22673] close(18) = -1 EBADF (Bad file descriptor) [pid 22673] close(19) = -1 EBADF (Bad file descriptor) [pid 22673] close(20) = -1 EBADF (Bad file descriptor) [pid 22673] close(21) = -1 EBADF (Bad file descriptor) [pid 22673] close(22) = -1 EBADF (Bad file descriptor) [pid 22673] close(23) = -1 EBADF (Bad file descriptor) [pid 22673] close(24) = -1 EBADF (Bad file descriptor) [pid 22673] close(25) = -1 EBADF (Bad file descriptor) [pid 22673] close(26) = -1 EBADF (Bad file descriptor) [pid 22673] close(27) = -1 EBADF (Bad file descriptor) [pid 22673] close(28) = -1 EBADF (Bad file descriptor) [pid 22673] close(29) = -1 EBADF (Bad file descriptor) [pid 22673] exit_group(0 [pid 22674] <... futex resumed>) = ? [pid 22675] <... futex resumed>) = 231 [pid 22673] <... exit_group resumed>) = ? [pid 22674] +++ exited with 0 +++ [pid 22675] +++ exited with 0 +++ [pid 22673] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7691", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7691/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7691/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7691/cgroup.cpu") = 0 [pid 287] umount2("./7691/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7691/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7691/binderfs") = 0 [pid 287] umount2("./7691/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7691/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7691/cgroup") = 0 [pid 287] umount2("./7691/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7691/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7691/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7691") = 0 [pid 287] mkdir("./7692", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22676 attached [pid 22676] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22676] chdir("./7692" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22264 [pid 22676] <... chdir resumed>) = 0 [pid 22676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22676] setpgid(0, 0) = 0 [pid 22676] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22676] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22676] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22676] write(3, "1000", 4) = 4 [pid 22676] close(3) = 0 [pid 22676] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22676] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22676] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22676] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22676] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22677 attached [pid 22677] set_robust_list(0x7f3b956fb9a0, 24 [pid 22676] <... clone3 resumed> => {parent_tid=[22265]}, 88) = 22265 [pid 22677] <... set_robust_list resumed>) = 0 [pid 22676] rt_sigprocmask(SIG_SETMASK, [], [pid 22677] rt_sigprocmask(SIG_SETMASK, [], [pid 22676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22676] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22676] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22677] <... bpf resumed>) = 3 [pid 22677] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22676] <... futex resumed>) = 0 [pid 22676] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22677] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22676] <... futex resumed>) = 0 [pid 22676] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22677] <... bpf resumed>) = 4 [pid 22677] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22676] <... futex resumed>) = 0 [pid 22677] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22676] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22676] <... futex resumed>) = 0 [pid 22677] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22676] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22677] <... bpf resumed>) = 0 [pid 22676] <... futex resumed>) = 0 [pid 22677] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22677] <... futex resumed>) = 0 [pid 22676] <... mmap resumed>) = 0x7f3b956ba000 [pid 22677] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22676] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22676] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22678 attached [pid 22678] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22676] <... clone3 resumed> => {parent_tid=[22266]}, 88) = 22266 [pid 22678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22676] rt_sigprocmask(SIG_SETMASK, [], [pid 22678] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22676] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22678] <... futex resumed>) = 0 [pid 22678] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22676] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22678] <... bpf resumed>) = 5 [pid 22678] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22676] <... futex resumed>) = 0 [pid 22678] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22676] close(3) = 0 [pid 22676] close(4) = 0 [pid 22676] close(5) = 0 [pid 22676] close(6) = -1 EBADF (Bad file descriptor) [pid 22676] close(7) = -1 EBADF (Bad file descriptor) [pid 22676] close(8) = -1 EBADF (Bad file descriptor) [pid 22676] close(9) = -1 EBADF (Bad file descriptor) [pid 22676] close(10) = -1 EBADF (Bad file descriptor) [pid 22676] close(11) = -1 EBADF (Bad file descriptor) [pid 22676] close(12) = -1 EBADF (Bad file descriptor) [pid 22676] close(13) = -1 EBADF (Bad file descriptor) [pid 22676] close(14) = -1 EBADF (Bad file descriptor) [pid 22676] close(15) = -1 EBADF (Bad file descriptor) [pid 22676] close(16) = -1 EBADF (Bad file descriptor) [pid 22676] close(17) = -1 EBADF (Bad file descriptor) [pid 22676] close(18) = -1 EBADF (Bad file descriptor) [pid 22676] close(19) = -1 EBADF (Bad file descriptor) [pid 22676] close(20) = -1 EBADF (Bad file descriptor) [pid 22676] close(21) = -1 EBADF (Bad file descriptor) [pid 22676] close(22) = -1 EBADF (Bad file descriptor) [pid 22676] close(23) = -1 EBADF (Bad file descriptor) [pid 22676] close(24) = -1 EBADF (Bad file descriptor) [pid 22676] close(25) = -1 EBADF (Bad file descriptor) [pid 22676] close(26) = -1 EBADF (Bad file descriptor) [pid 22676] close(27) = -1 EBADF (Bad file descriptor) [pid 22676] close(28) = -1 EBADF (Bad file descriptor) [pid 22676] close(29) = -1 EBADF (Bad file descriptor) [pid 22676] exit_group(0 [pid 22678] <... futex resumed>) = ? [pid 22677] <... futex resumed>) = ? [pid 22676] <... exit_group resumed>) = ? [pid 22678] +++ exited with 0 +++ [pid 22677] +++ exited with 0 +++ [pid 22676] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7692", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7692/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7692/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7692/cgroup.cpu") = 0 [pid 287] umount2("./7692/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7692/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7692/binderfs") = 0 [pid 287] umount2("./7692/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7692/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7692/cgroup") = 0 [pid 287] umount2("./7692/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7692/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7692/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7692") = 0 [pid 287] mkdir("./7693", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22679 attached [pid 22679] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22267 [pid 22679] chdir("./7693") = 0 [pid 22679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22679] setpgid(0, 0) = 0 [pid 22679] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22679] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22679] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22679] write(3, "1000", 4) = 4 [pid 22679] close(3) = 0 [pid 22679] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22679] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22679] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22679] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22679] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22268]}, 88) = 22268 ./strace-static-x86_64: Process 22680 attached [pid 22679] rt_sigprocmask(SIG_SETMASK, [], [pid 22680] set_robust_list(0x7f3b956fb9a0, 24 [pid 22679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22680] <... set_robust_list resumed>) = 0 [pid 22679] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22680] rt_sigprocmask(SIG_SETMASK, [], [pid 22679] <... futex resumed>) = 0 [pid 22680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22679] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22680] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22679] <... futex resumed>) = 0 [pid 22680] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22679] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22679] <... futex resumed>) = 0 [pid 22679] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22680] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22680] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22679] <... futex resumed>) = 0 [pid 22680] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22679] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22679] <... futex resumed>) = 0 [pid 22680] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22679] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22680] <... bpf resumed>) = 0 [pid 22679] <... futex resumed>) = 0 [pid 22680] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22680] <... futex resumed>) = 0 [pid 22679] <... mmap resumed>) = 0x7f3b956ba000 [pid 22680] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22679] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22679] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22681 attached [pid 22681] set_robust_list(0x7f3b956da9a0, 24 [pid 22679] <... clone3 resumed> => {parent_tid=[22269]}, 88) = 22269 [pid 22681] <... set_robust_list resumed>) = 0 [pid 22679] rt_sigprocmask(SIG_SETMASK, [], [pid 22681] rt_sigprocmask(SIG_SETMASK, [], [pid 22679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22679] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22681] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22679] <... futex resumed>) = 0 [pid 22679] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22681] <... bpf resumed>) = 5 [pid 22681] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22679] <... futex resumed>) = 0 [pid 22679] close(3 [pid 22681] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22679] <... close resumed>) = 0 [pid 22679] close(4) = 0 [pid 22679] close(5) = 0 [pid 22679] close(6) = -1 EBADF (Bad file descriptor) [pid 22679] close(7) = -1 EBADF (Bad file descriptor) [pid 22679] close(8) = -1 EBADF (Bad file descriptor) [pid 22679] close(9) = -1 EBADF (Bad file descriptor) [pid 22679] close(10) = -1 EBADF (Bad file descriptor) [pid 22679] close(11) = -1 EBADF (Bad file descriptor) [pid 22679] close(12) = -1 EBADF (Bad file descriptor) [pid 22679] close(13) = -1 EBADF (Bad file descriptor) [pid 22679] close(14) = -1 EBADF (Bad file descriptor) [pid 22679] close(15) = -1 EBADF (Bad file descriptor) [pid 22679] close(16) = -1 EBADF (Bad file descriptor) [pid 22679] close(17) = -1 EBADF (Bad file descriptor) [pid 22679] close(18) = -1 EBADF (Bad file descriptor) [pid 22679] close(19) = -1 EBADF (Bad file descriptor) [pid 22679] close(20) = -1 EBADF (Bad file descriptor) [pid 22679] close(21) = -1 EBADF (Bad file descriptor) [pid 22679] close(22) = -1 EBADF (Bad file descriptor) [pid 22679] close(23) = -1 EBADF (Bad file descriptor) [pid 22679] close(24) = -1 EBADF (Bad file descriptor) [pid 22679] close(25) = -1 EBADF (Bad file descriptor) [pid 22679] close(26) = -1 EBADF (Bad file descriptor) [pid 22679] close(27) = -1 EBADF (Bad file descriptor) [pid 22679] close(28) = -1 EBADF (Bad file descriptor) [pid 22679] close(29) = -1 EBADF (Bad file descriptor) [pid 22679] exit_group(0 [pid 22680] <... futex resumed>) = ? [pid 22679] <... exit_group resumed>) = ? [pid 22680] +++ exited with 0 +++ [pid 22681] <... futex resumed>) = ? [pid 22681] +++ exited with 0 +++ [pid 22679] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7693", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7693/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7693/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7693/cgroup.cpu") = 0 [pid 287] umount2("./7693/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7693/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7693/binderfs") = 0 [pid 287] umount2("./7693/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7693/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7693/cgroup") = 0 [pid 287] umount2("./7693/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7693/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7693/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7693") = 0 [pid 287] mkdir("./7694", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22682 attached [pid 22682] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22270 [pid 22682] chdir("./7694") = 0 [pid 22682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22682] setpgid(0, 0) = 0 [pid 22682] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22682] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22682] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22682] write(3, "1000", 4) = 4 [pid 22682] close(3) = 0 [pid 22682] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22682] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22682] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22682] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22682] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22683 attached [pid 22683] set_robust_list(0x7f3b956fb9a0, 24 [pid 22682] <... clone3 resumed> => {parent_tid=[22271]}, 88) = 22271 [pid 22683] <... set_robust_list resumed>) = 0 [pid 22682] rt_sigprocmask(SIG_SETMASK, [], [pid 22683] rt_sigprocmask(SIG_SETMASK, [], [pid 22682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22682] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22682] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22683] <... bpf resumed>) = 3 [pid 22683] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22682] <... futex resumed>) = 0 [pid 22683] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22682] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22682] <... futex resumed>) = 0 [pid 22683] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22682] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22683] <... bpf resumed>) = 4 [pid 22683] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22682] <... futex resumed>) = 0 [pid 22683] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22682] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22682] <... futex resumed>) = 0 [pid 22683] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22682] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22683] <... bpf resumed>) = 0 [pid 22682] <... futex resumed>) = 0 [pid 22682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22682] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22683] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22682] <... mprotect resumed>) = 0 [pid 22683] <... futex resumed>) = 0 [pid 22682] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22683] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22682] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22684 attached [pid 22684] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22682] <... clone3 resumed> => {parent_tid=[22272]}, 88) = 22272 [pid 22684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22682] rt_sigprocmask(SIG_SETMASK, [], [pid 22684] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22682] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22684] <... futex resumed>) = 0 [pid 22682] <... futex resumed>) = 1 [pid 22684] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22682] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22684] <... bpf resumed>) = 5 [pid 22684] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22682] <... futex resumed>) = 0 [pid 22684] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22682] close(3) = 0 [pid 22682] close(4) = 0 [pid 22682] close(5) = 0 [pid 22682] close(6) = -1 EBADF (Bad file descriptor) [pid 22682] close(7) = -1 EBADF (Bad file descriptor) [pid 22682] close(8) = -1 EBADF (Bad file descriptor) [pid 22682] close(9) = -1 EBADF (Bad file descriptor) [pid 22682] close(10) = -1 EBADF (Bad file descriptor) [pid 22682] close(11) = -1 EBADF (Bad file descriptor) [pid 22682] close(12) = -1 EBADF (Bad file descriptor) [pid 22682] close(13) = -1 EBADF (Bad file descriptor) [pid 22682] close(14) = -1 EBADF (Bad file descriptor) [pid 22682] close(15) = -1 EBADF (Bad file descriptor) [pid 22682] close(16) = -1 EBADF (Bad file descriptor) [pid 22682] close(17) = -1 EBADF (Bad file descriptor) [pid 22682] close(18) = -1 EBADF (Bad file descriptor) [pid 22682] close(19) = -1 EBADF (Bad file descriptor) [pid 22682] close(20) = -1 EBADF (Bad file descriptor) [pid 22682] close(21) = -1 EBADF (Bad file descriptor) [pid 22682] close(22) = -1 EBADF (Bad file descriptor) [pid 22682] close(23) = -1 EBADF (Bad file descriptor) [pid 22682] close(24) = -1 EBADF (Bad file descriptor) [pid 22682] close(25) = -1 EBADF (Bad file descriptor) [pid 22682] close(26) = -1 EBADF (Bad file descriptor) [pid 22682] close(27) = -1 EBADF (Bad file descriptor) [pid 22682] close(28) = -1 EBADF (Bad file descriptor) [pid 22682] close(29) = -1 EBADF (Bad file descriptor) [pid 22682] exit_group(0 [pid 22684] <... futex resumed>) = ? [pid 22683] <... futex resumed>) = ? [pid 22682] <... exit_group resumed>) = ? [pid 22684] +++ exited with 0 +++ [pid 22683] +++ exited with 0 +++ [pid 22682] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7694", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7694/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7694/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7694/cgroup.cpu") = 0 [pid 287] umount2("./7694/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7694/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7694/binderfs") = 0 [pid 287] umount2("./7694/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7694/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7694/cgroup") = 0 [pid 287] umount2("./7694/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7694/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7694/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7694") = 0 [pid 287] mkdir("./7695", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22685 attached [pid 22685] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22273 [pid 22685] chdir("./7695") = 0 [pid 22685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22685] setpgid(0, 0) = 0 [pid 22685] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22685] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22685] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22685] write(3, "1000", 4) = 4 [pid 22685] close(3) = 0 [pid 22685] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22685] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22685] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22685] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22685] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22686 attached [pid 22686] set_robust_list(0x7f3b956fb9a0, 24 [pid 22685] <... clone3 resumed> => {parent_tid=[22274]}, 88) = 22274 [pid 22686] <... set_robust_list resumed>) = 0 [pid 22685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22685] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22686] rt_sigprocmask(SIG_SETMASK, [], [pid 22685] <... futex resumed>) = 0 [pid 22686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22685] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22686] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22686] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22685] <... futex resumed>) = 0 [pid 22686] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22685] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22685] <... futex resumed>) = 0 [pid 22686] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22685] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22686] <... bpf resumed>) = 4 [pid 22686] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22685] <... futex resumed>) = 0 [pid 22685] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22686] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22685] <... futex resumed>) = 0 [pid 22685] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22686] <... bpf resumed>) = 0 [pid 22685] <... futex resumed>) = 0 [pid 22686] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22686] <... futex resumed>) = 0 [pid 22685] <... mmap resumed>) = 0x7f3b956ba000 [pid 22686] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22685] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22685] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22687 attached [pid 22687] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22687] rt_sigprocmask(SIG_SETMASK, [], [pid 22685] <... clone3 resumed> => {parent_tid=[22275]}, 88) = 22275 [pid 22687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22685] rt_sigprocmask(SIG_SETMASK, [], [pid 22687] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22685] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22687] <... futex resumed>) = 0 [pid 22685] <... futex resumed>) = 1 [pid 22687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22685] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22687] <... bpf resumed>) = 5 [pid 22687] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22685] <... futex resumed>) = 0 [pid 22687] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22685] close(3) = 0 [pid 22685] close(4) = 0 [pid 22685] close(5) = 0 [pid 22685] close(6) = -1 EBADF (Bad file descriptor) [pid 22685] close(7) = -1 EBADF (Bad file descriptor) [pid 22685] close(8) = -1 EBADF (Bad file descriptor) [pid 22685] close(9) = -1 EBADF (Bad file descriptor) [pid 22685] close(10) = -1 EBADF (Bad file descriptor) [pid 22685] close(11) = -1 EBADF (Bad file descriptor) [pid 22685] close(12) = -1 EBADF (Bad file descriptor) [pid 22685] close(13) = -1 EBADF (Bad file descriptor) [pid 22685] close(14) = -1 EBADF (Bad file descriptor) [pid 22685] close(15) = -1 EBADF (Bad file descriptor) [pid 22685] close(16) = -1 EBADF (Bad file descriptor) [pid 22685] close(17) = -1 EBADF (Bad file descriptor) [pid 22685] close(18) = -1 EBADF (Bad file descriptor) [pid 22685] close(19) = -1 EBADF (Bad file descriptor) [pid 22685] close(20) = -1 EBADF (Bad file descriptor) [pid 22685] close(21) = -1 EBADF (Bad file descriptor) [pid 22685] close(22) = -1 EBADF (Bad file descriptor) [pid 22685] close(23) = -1 EBADF (Bad file descriptor) [pid 22685] close(24) = -1 EBADF (Bad file descriptor) [pid 22685] close(25) = -1 EBADF (Bad file descriptor) [pid 22685] close(26) = -1 EBADF (Bad file descriptor) [pid 22685] close(27) = -1 EBADF (Bad file descriptor) [pid 22685] close(28) = -1 EBADF (Bad file descriptor) [pid 22685] close(29) = -1 EBADF (Bad file descriptor) [pid 22685] exit_group(0 [pid 22687] <... futex resumed>) = ? [pid 22686] <... futex resumed>) = ? [pid 22685] <... exit_group resumed>) = ? [pid 22687] +++ exited with 0 +++ [pid 22686] +++ exited with 0 +++ [pid 22685] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7695", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7695/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7695/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7695/cgroup.cpu") = 0 [pid 287] umount2("./7695/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7695/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7695/binderfs") = 0 [pid 287] umount2("./7695/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7695/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7695/cgroup") = 0 [pid 287] umount2("./7695/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7695/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7695/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7695") = 0 [pid 287] mkdir("./7696", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22688 attached [pid 22688] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22688] chdir("./7696" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22276 [pid 22688] <... chdir resumed>) = 0 [pid 22688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22688] setpgid(0, 0) = 0 [pid 22688] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22688] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22688] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22688] write(3, "1000", 4) = 4 [pid 22688] close(3) = 0 [pid 22688] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22688] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22688] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22688] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22690 attached [pid 22690] set_robust_list(0x7f3b956fb9a0, 24 [pid 22688] <... clone3 resumed> => {parent_tid=[22277]}, 88) = 22277 [pid 22690] <... set_robust_list resumed>) = 0 [pid 22688] rt_sigprocmask(SIG_SETMASK, [], [pid 22690] rt_sigprocmask(SIG_SETMASK, [], [pid 22688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22688] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22690] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22688] <... futex resumed>) = 0 [pid 22690] <... bpf resumed>) = 3 [pid 22688] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22690] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22690] <... futex resumed>) = 0 [pid 22688] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22690] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22688] <... futex resumed>) = 0 [pid 22690] <... bpf resumed>) = 4 [pid 22688] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22690] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22690] <... futex resumed>) = 0 [pid 22688] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22690] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22688] <... futex resumed>) = 0 [pid 22690] <... bpf resumed>) = 0 [pid 22688] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22690] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22688] <... futex resumed>) = 0 [pid 22690] <... futex resumed>) = 0 [pid 22688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22690] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22688] <... mmap resumed>) = 0x7f3b956ba000 [pid 22688] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22691 attached [pid 22691] set_robust_list(0x7f3b956da9a0, 24 [pid 22688] <... clone3 resumed> => {parent_tid=[22278]}, 88) = 22278 [pid 22691] <... set_robust_list resumed>) = 0 [pid 22688] rt_sigprocmask(SIG_SETMASK, [], [pid 22691] rt_sigprocmask(SIG_SETMASK, [], [pid 22688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22688] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22691] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22688] <... futex resumed>) = 0 [pid 22691] <... bpf resumed>) = 5 [pid 22688] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22691] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22691] <... futex resumed>) = 0 [pid 22688] close(3 [pid 22691] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22688] <... close resumed>) = 0 [pid 22688] close(4) = 0 [pid 22688] close(5) = 0 [pid 22688] close(6) = -1 EBADF (Bad file descriptor) [pid 22688] close(7) = -1 EBADF (Bad file descriptor) [pid 22688] close(8) = -1 EBADF (Bad file descriptor) [pid 22688] close(9) = -1 EBADF (Bad file descriptor) [pid 22688] close(10) = -1 EBADF (Bad file descriptor) [pid 22688] close(11) = -1 EBADF (Bad file descriptor) [pid 22688] close(12) = -1 EBADF (Bad file descriptor) [pid 22688] close(13) = -1 EBADF (Bad file descriptor) [pid 22688] close(14) = -1 EBADF (Bad file descriptor) [pid 22688] close(15) = -1 EBADF (Bad file descriptor) [pid 22688] close(16) = -1 EBADF (Bad file descriptor) [pid 22688] close(17) = -1 EBADF (Bad file descriptor) [pid 22688] close(18) = -1 EBADF (Bad file descriptor) [pid 22688] close(19) = -1 EBADF (Bad file descriptor) [pid 22688] close(20) = -1 EBADF (Bad file descriptor) [pid 22688] close(21) = -1 EBADF (Bad file descriptor) [pid 22688] close(22) = -1 EBADF (Bad file descriptor) [pid 22688] close(23) = -1 EBADF (Bad file descriptor) [pid 22688] close(24) = -1 EBADF (Bad file descriptor) [pid 22688] close(25) = -1 EBADF (Bad file descriptor) [pid 22688] close(26) = -1 EBADF (Bad file descriptor) [pid 22688] close(27) = -1 EBADF (Bad file descriptor) [pid 22688] close(28) = -1 EBADF (Bad file descriptor) [pid 22688] close(29) = -1 EBADF (Bad file descriptor) [pid 22688] exit_group(0 [pid 22691] <... futex resumed>) = ? [pid 22690] <... futex resumed>) = ? [pid 22688] <... exit_group resumed>) = ? [pid 22691] +++ exited with 0 +++ [pid 22690] +++ exited with 0 +++ [pid 22688] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7696", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7696/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7696/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7696/cgroup.cpu") = 0 [pid 287] umount2("./7696/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7696/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7696/binderfs") = 0 [pid 287] umount2("./7696/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7696/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7696/cgroup") = 0 [pid 287] umount2("./7696/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7696/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7696/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7696") = 0 [pid 287] mkdir("./7697", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22692 attached [pid 22692] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22692] chdir("./7697") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22279 [pid 22692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22692] setpgid(0, 0) = 0 [pid 22692] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22692] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22692] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22692] write(3, "1000", 4) = 4 [pid 22692] close(3) = 0 [pid 22692] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22692] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22692] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22692] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22692] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22693 attached => {parent_tid=[22280]}, 88) = 22280 [pid 22693] set_robust_list(0x7f3b956fb9a0, 24 [pid 22692] rt_sigprocmask(SIG_SETMASK, [], [pid 22693] <... set_robust_list resumed>) = 0 [pid 22692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22693] rt_sigprocmask(SIG_SETMASK, [], [pid 22692] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22692] <... futex resumed>) = 0 [pid 22692] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22693] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22693] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22692] <... futex resumed>) = 0 [pid 22693] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22692] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22692] <... futex resumed>) = 0 [pid 22693] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22692] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22693] <... bpf resumed>) = 4 [pid 22693] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22692] <... futex resumed>) = 0 [pid 22693] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22692] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22692] <... futex resumed>) = 0 [pid 22693] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22692] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22693] <... bpf resumed>) = 0 [pid 22692] <... futex resumed>) = 0 [pid 22693] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22693] <... futex resumed>) = 0 [pid 22692] <... mmap resumed>) = 0x7f3b956ba000 [pid 22693] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22692] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22692] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22694 attached [pid 22694] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22694] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22692] <... clone3 resumed> => {parent_tid=[22281]}, 88) = 22281 [pid 22692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22692] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22694] <... futex resumed>) = 0 [pid 22692] <... futex resumed>) = 1 [pid 22694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22692] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22694] <... bpf resumed>) = 5 [pid 22694] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22692] <... futex resumed>) = 0 [pid 22694] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22692] close(3) = 0 [pid 22692] close(4) = 0 [pid 22692] close(5) = 0 [pid 22692] close(6) = -1 EBADF (Bad file descriptor) [pid 22692] close(7) = -1 EBADF (Bad file descriptor) [pid 22692] close(8) = -1 EBADF (Bad file descriptor) [pid 22692] close(9) = -1 EBADF (Bad file descriptor) [pid 22692] close(10) = -1 EBADF (Bad file descriptor) [pid 22692] close(11) = -1 EBADF (Bad file descriptor) [pid 22692] close(12) = -1 EBADF (Bad file descriptor) [pid 22692] close(13) = -1 EBADF (Bad file descriptor) [pid 22692] close(14) = -1 EBADF (Bad file descriptor) [pid 22692] close(15) = -1 EBADF (Bad file descriptor) [pid 22692] close(16) = -1 EBADF (Bad file descriptor) [pid 22692] close(17) = -1 EBADF (Bad file descriptor) [pid 22692] close(18) = -1 EBADF (Bad file descriptor) [pid 22692] close(19) = -1 EBADF (Bad file descriptor) [pid 22692] close(20) = -1 EBADF (Bad file descriptor) [pid 22692] close(21) = -1 EBADF (Bad file descriptor) [pid 22692] close(22) = -1 EBADF (Bad file descriptor) [pid 22692] close(23) = -1 EBADF (Bad file descriptor) [pid 22692] close(24) = -1 EBADF (Bad file descriptor) [pid 22692] close(25) = -1 EBADF (Bad file descriptor) [pid 22692] close(26) = -1 EBADF (Bad file descriptor) [pid 22692] close(27) = -1 EBADF (Bad file descriptor) [pid 22692] close(28) = -1 EBADF (Bad file descriptor) [pid 22692] close(29) = -1 EBADF (Bad file descriptor) [pid 22692] exit_group(0) = ? [pid 22694] <... futex resumed>) = ? [pid 22693] <... futex resumed>) = ? [pid 22694] +++ exited with 0 +++ [pid 22693] +++ exited with 0 +++ [pid 22692] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7697", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7697/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7697/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7697/cgroup.cpu") = 0 [pid 287] umount2("./7697/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7697/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7697/binderfs") = 0 [pid 287] umount2("./7697/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7697/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7697/cgroup") = 0 [pid 287] umount2("./7697/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7697/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7697/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7697") = 0 [pid 287] mkdir("./7698", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22695 attached [pid 22695] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22282 [pid 22695] chdir("./7698") = 0 [pid 22695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22695] setpgid(0, 0) = 0 [pid 22695] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22695] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22695] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22695] write(3, "1000", 4) = 4 [pid 22695] close(3) = 0 [pid 22695] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22695] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22695] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22695] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22696 attached => {parent_tid=[22283]}, 88) = 22283 [pid 22695] rt_sigprocmask(SIG_SETMASK, [], [pid 22696] set_robust_list(0x7f3b956fb9a0, 24 [pid 22695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22696] <... set_robust_list resumed>) = 0 [pid 22695] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22696] rt_sigprocmask(SIG_SETMASK, [], [pid 22695] <... futex resumed>) = 0 [pid 22696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22695] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22696] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22696] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22695] <... futex resumed>) = 0 [pid 22696] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22695] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22695] <... futex resumed>) = 0 [pid 22696] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22695] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22696] <... bpf resumed>) = 4 [pid 22696] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22695] <... futex resumed>) = 0 [pid 22696] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22695] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22695] <... futex resumed>) = 0 [pid 22696] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22695] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22696] <... bpf resumed>) = 0 [pid 22695] <... futex resumed>) = 0 [pid 22696] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22696] <... futex resumed>) = 0 [pid 22695] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22696] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22695] <... mprotect resumed>) = 0 [pid 22695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22697 attached => {parent_tid=[22284]}, 88) = 22284 [pid 22697] set_robust_list(0x7f3b956da9a0, 24 [pid 22695] rt_sigprocmask(SIG_SETMASK, [], [pid 22697] <... set_robust_list resumed>) = 0 [pid 22695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22695] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22695] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22697] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22695] <... futex resumed>) = 0 [pid 22697] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22695] close(3) = 0 [pid 22695] close(4) = 0 [pid 22695] close(5) = 0 [pid 22695] close(6) = -1 EBADF (Bad file descriptor) [pid 22695] close(7) = -1 EBADF (Bad file descriptor) [pid 22695] close(8) = -1 EBADF (Bad file descriptor) [pid 22695] close(9) = -1 EBADF (Bad file descriptor) [pid 22695] close(10) = -1 EBADF (Bad file descriptor) [pid 22695] close(11) = -1 EBADF (Bad file descriptor) [pid 22695] close(12) = -1 EBADF (Bad file descriptor) [pid 22695] close(13) = -1 EBADF (Bad file descriptor) [pid 22695] close(14) = -1 EBADF (Bad file descriptor) [pid 22695] close(15) = -1 EBADF (Bad file descriptor) [pid 22695] close(16) = -1 EBADF (Bad file descriptor) [pid 22695] close(17) = -1 EBADF (Bad file descriptor) [pid 22695] close(18) = -1 EBADF (Bad file descriptor) [pid 22695] close(19) = -1 EBADF (Bad file descriptor) [pid 22695] close(20) = -1 EBADF (Bad file descriptor) [pid 22695] close(21) = -1 EBADF (Bad file descriptor) [pid 22695] close(22) = -1 EBADF (Bad file descriptor) [pid 22695] close(23) = -1 EBADF (Bad file descriptor) [pid 22695] close(24) = -1 EBADF (Bad file descriptor) [pid 22695] close(25) = -1 EBADF (Bad file descriptor) [pid 22695] close(26) = -1 EBADF (Bad file descriptor) [pid 22695] close(27) = -1 EBADF (Bad file descriptor) [pid 22695] close(28) = -1 EBADF (Bad file descriptor) [pid 22695] close(29) = -1 EBADF (Bad file descriptor) [pid 22695] exit_group(0 [pid 22697] <... futex resumed>) = ? [pid 22696] <... futex resumed>) = ? [pid 22695] <... exit_group resumed>) = ? [pid 22696] +++ exited with 0 +++ [pid 22697] +++ exited with 0 +++ [pid 22695] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7698", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7698/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7698/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7698/cgroup.cpu") = 0 [pid 287] umount2("./7698/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7698/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7698/binderfs") = 0 [pid 287] umount2("./7698/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7698/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7698/cgroup") = 0 [pid 287] umount2("./7698/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7698/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7698/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7698") = 0 [pid 287] mkdir("./7699", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22285 ./strace-static-x86_64: Process 22698 attached [pid 22698] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22698] chdir("./7699") = 0 [pid 22698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22698] setpgid(0, 0) = 0 [pid 22698] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22698] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22698] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22698] write(3, "1000", 4) = 4 [pid 22698] close(3) = 0 [pid 22698] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22698] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22698] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22698] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22699 attached [pid 22699] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22698] <... clone3 resumed> => {parent_tid=[22286]}, 88) = 22286 [pid 22699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22699] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22698] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22699] <... futex resumed>) = 0 [pid 22698] <... futex resumed>) = 1 [pid 22699] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22698] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22699] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22699] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22698] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22699] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22698] <... futex resumed>) = 0 [pid 22699] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22698] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22699] <... futex resumed>) = 0 [pid 22699] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22698] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22699] <... futex resumed>) = 0 [pid 22698] <... futex resumed>) = 1 [pid 22699] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22698] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22699] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22698] <... futex resumed>) = 0 [pid 22699] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22698] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22700 attached [pid 22700] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22700] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22698] <... clone3 resumed> => {parent_tid=[22287]}, 88) = 22287 [pid 22698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22698] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22700] <... futex resumed>) = 0 [pid 22698] <... futex resumed>) = 1 [pid 22700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22698] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22700] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22700] <... futex resumed>) = 0 [pid 22700] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22698] close(3) = 0 [pid 22698] close(4) = 0 [pid 22698] close(5) = 0 [pid 22698] close(6) = -1 EBADF (Bad file descriptor) [pid 22698] close(7) = -1 EBADF (Bad file descriptor) [pid 22698] close(8) = -1 EBADF (Bad file descriptor) [pid 22698] close(9) = -1 EBADF (Bad file descriptor) [pid 22698] close(10) = -1 EBADF (Bad file descriptor) [pid 22698] close(11) = -1 EBADF (Bad file descriptor) [pid 22698] close(12) = -1 EBADF (Bad file descriptor) [pid 22698] close(13) = -1 EBADF (Bad file descriptor) [pid 22698] close(14) = -1 EBADF (Bad file descriptor) [pid 22698] close(15) = -1 EBADF (Bad file descriptor) [pid 22698] close(16) = -1 EBADF (Bad file descriptor) [pid 22698] close(17) = -1 EBADF (Bad file descriptor) [pid 22698] close(18) = -1 EBADF (Bad file descriptor) [pid 22698] close(19) = -1 EBADF (Bad file descriptor) [pid 22698] close(20) = -1 EBADF (Bad file descriptor) [pid 22698] close(21) = -1 EBADF (Bad file descriptor) [pid 22698] close(22) = -1 EBADF (Bad file descriptor) [pid 22698] close(23) = -1 EBADF (Bad file descriptor) [pid 22698] close(24) = -1 EBADF (Bad file descriptor) [pid 22698] close(25) = -1 EBADF (Bad file descriptor) [pid 22698] close(26) = -1 EBADF (Bad file descriptor) [pid 22698] close(27) = -1 EBADF (Bad file descriptor) [pid 22698] close(28) = -1 EBADF (Bad file descriptor) [pid 22698] close(29) = -1 EBADF (Bad file descriptor) [pid 22698] exit_group(0 [pid 22700] <... futex resumed>) = ? [pid 22699] <... futex resumed>) = ? [pid 22698] <... exit_group resumed>) = ? [pid 22700] +++ exited with 0 +++ [pid 22699] +++ exited with 0 +++ [pid 22698] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7699", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7699/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7699/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7699/cgroup.cpu") = 0 [pid 287] umount2("./7699/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7699/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7699/binderfs") = 0 [pid 287] umount2("./7699/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7699/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7699/cgroup") = 0 [pid 287] umount2("./7699/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7699/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7699/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7699") = 0 [pid 287] mkdir("./7700", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22701 attached [pid 22701] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22288 [pid 22701] chdir("./7700") = 0 [pid 22701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22701] setpgid(0, 0) = 0 [pid 22701] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22701] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22701] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22701] write(3, "1000", 4) = 4 [pid 22701] close(3) = 0 [pid 22701] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22701] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22701] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22701] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22702 attached => {parent_tid=[22289]}, 88) = 22289 [pid 22702] set_robust_list(0x7f3b956fb9a0, 24 [pid 22701] rt_sigprocmask(SIG_SETMASK, [], [pid 22702] <... set_robust_list resumed>) = 0 [pid 22701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22702] rt_sigprocmask(SIG_SETMASK, [], [pid 22701] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22701] <... futex resumed>) = 0 [pid 22701] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22702] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22702] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22701] <... futex resumed>) = 0 [pid 22702] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22701] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22701] <... futex resumed>) = 0 [pid 22702] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22701] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22702] <... bpf resumed>) = 4 [pid 22702] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22701] <... futex resumed>) = 0 [pid 22702] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22701] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22701] <... futex resumed>) = 0 [pid 22702] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22701] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22702] <... bpf resumed>) = 0 [pid 22701] <... futex resumed>) = 0 [pid 22702] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22702] <... futex resumed>) = 0 [pid 22701] <... mmap resumed>) = 0x7f3b956ba000 [pid 22702] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22701] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22703 attached [pid 22703] set_robust_list(0x7f3b956da9a0, 24 [pid 22701] <... clone3 resumed> => {parent_tid=[22290]}, 88) = 22290 [pid 22703] <... set_robust_list resumed>) = 0 [pid 22703] rt_sigprocmask(SIG_SETMASK, [], [pid 22701] rt_sigprocmask(SIG_SETMASK, [], [pid 22703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22703] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22701] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22703] <... futex resumed>) = 0 [pid 22701] <... futex resumed>) = 1 [pid 22703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22701] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22703] <... bpf resumed>) = 5 [pid 22703] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22701] <... futex resumed>) = 0 [pid 22703] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22701] close(3) = 0 [pid 22701] close(4) = 0 [pid 22701] close(5) = 0 [pid 22701] close(6) = -1 EBADF (Bad file descriptor) [pid 22701] close(7) = -1 EBADF (Bad file descriptor) [pid 22701] close(8) = -1 EBADF (Bad file descriptor) [pid 22701] close(9) = -1 EBADF (Bad file descriptor) [pid 22701] close(10) = -1 EBADF (Bad file descriptor) [pid 22701] close(11) = -1 EBADF (Bad file descriptor) [pid 22701] close(12) = -1 EBADF (Bad file descriptor) [pid 22701] close(13) = -1 EBADF (Bad file descriptor) [pid 22701] close(14) = -1 EBADF (Bad file descriptor) [pid 22701] close(15) = -1 EBADF (Bad file descriptor) [pid 22701] close(16) = -1 EBADF (Bad file descriptor) [pid 22701] close(17) = -1 EBADF (Bad file descriptor) [pid 22701] close(18) = -1 EBADF (Bad file descriptor) [pid 22701] close(19) = -1 EBADF (Bad file descriptor) [pid 22701] close(20) = -1 EBADF (Bad file descriptor) [pid 22701] close(21) = -1 EBADF (Bad file descriptor) [pid 22701] close(22) = -1 EBADF (Bad file descriptor) [pid 22701] close(23) = -1 EBADF (Bad file descriptor) [pid 22701] close(24) = -1 EBADF (Bad file descriptor) [pid 22701] close(25) = -1 EBADF (Bad file descriptor) [pid 22701] close(26) = -1 EBADF (Bad file descriptor) [pid 22701] close(27) = -1 EBADF (Bad file descriptor) [pid 22701] close(28) = -1 EBADF (Bad file descriptor) [pid 22701] close(29) = -1 EBADF (Bad file descriptor) [pid 22701] exit_group(0 [pid 22703] <... futex resumed>) = ? [pid 22702] <... futex resumed>) = ? [pid 22701] <... exit_group resumed>) = ? [pid 22703] +++ exited with 0 +++ [pid 22702] +++ exited with 0 +++ [pid 22701] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7700", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7700/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7700/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7700/cgroup.cpu") = 0 [pid 287] umount2("./7700/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7700/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7700/binderfs") = 0 [pid 287] umount2("./7700/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7700/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7700/cgroup") = 0 [pid 287] umount2("./7700/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7700/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7700/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7700") = 0 [pid 287] mkdir("./7701", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22704 attached [pid 22704] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22704] chdir("./7701") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22291 [pid 22704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22704] setpgid(0, 0) = 0 [pid 22704] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22704] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22704] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22704] write(3, "1000", 4) = 4 [pid 22704] close(3) = 0 [pid 22704] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22704] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22704] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22704] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22705 attached => {parent_tid=[22292]}, 88) = 22292 [pid 22705] set_robust_list(0x7f3b956fb9a0, 24 [pid 22704] rt_sigprocmask(SIG_SETMASK, [], [pid 22705] <... set_robust_list resumed>) = 0 [pid 22704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22705] rt_sigprocmask(SIG_SETMASK, [], [pid 22704] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22704] <... futex resumed>) = 0 [pid 22704] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22705] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22704] <... futex resumed>) = 0 [pid 22705] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22704] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22704] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22705] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22704] <... futex resumed>) = 0 [pid 22705] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22704] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22704] <... futex resumed>) = 0 [pid 22705] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22704] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22705] <... bpf resumed>) = 0 [pid 22704] <... futex resumed>) = 0 [pid 22705] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22705] <... futex resumed>) = 0 [pid 22704] <... mmap resumed>) = 0x7f3b956ba000 [pid 22704] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22705] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22704] <... mprotect resumed>) = 0 [pid 22704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22293]}, 88) = 22293 ./strace-static-x86_64: Process 22706 attached [pid 22706] set_robust_list(0x7f3b956da9a0, 24 [pid 22704] rt_sigprocmask(SIG_SETMASK, [], [pid 22706] <... set_robust_list resumed>) = 0 [pid 22706] rt_sigprocmask(SIG_SETMASK, [], [pid 22704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22704] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22704] <... futex resumed>) = 0 [pid 22704] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22706] <... bpf resumed>) = 5 [pid 22706] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22704] <... futex resumed>) = 0 [pid 22706] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22704] close(3) = 0 [pid 22704] close(4) = 0 [pid 22704] close(5) = 0 [pid 22704] close(6) = -1 EBADF (Bad file descriptor) [pid 22704] close(7) = -1 EBADF (Bad file descriptor) [pid 22704] close(8) = -1 EBADF (Bad file descriptor) [pid 22704] close(9) = -1 EBADF (Bad file descriptor) [pid 22704] close(10) = -1 EBADF (Bad file descriptor) [pid 22704] close(11) = -1 EBADF (Bad file descriptor) [pid 22704] close(12) = -1 EBADF (Bad file descriptor) [pid 22704] close(13) = -1 EBADF (Bad file descriptor) [pid 22704] close(14) = -1 EBADF (Bad file descriptor) [pid 22704] close(15) = -1 EBADF (Bad file descriptor) [pid 22704] close(16) = -1 EBADF (Bad file descriptor) [pid 22704] close(17) = -1 EBADF (Bad file descriptor) [pid 22704] close(18) = -1 EBADF (Bad file descriptor) [pid 22704] close(19) = -1 EBADF (Bad file descriptor) [pid 22704] close(20) = -1 EBADF (Bad file descriptor) [pid 22704] close(21) = -1 EBADF (Bad file descriptor) [pid 22704] close(22) = -1 EBADF (Bad file descriptor) [pid 22704] close(23) = -1 EBADF (Bad file descriptor) [pid 22704] close(24) = -1 EBADF (Bad file descriptor) [pid 22704] close(25) = -1 EBADF (Bad file descriptor) [pid 22704] close(26) = -1 EBADF (Bad file descriptor) [pid 22704] close(27) = -1 EBADF (Bad file descriptor) [pid 22704] close(28) = -1 EBADF (Bad file descriptor) [pid 22704] close(29) = -1 EBADF (Bad file descriptor) [pid 22704] exit_group(0 [pid 22706] <... futex resumed>) = ? [pid 22705] <... futex resumed>) = ? [pid 22704] <... exit_group resumed>) = ? [pid 22706] +++ exited with 0 +++ [pid 22705] +++ exited with 0 +++ [pid 22704] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7701", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7701/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7701/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7701/cgroup.cpu") = 0 [pid 287] umount2("./7701/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7701/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7701/binderfs") = 0 [pid 287] umount2("./7701/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7701/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7701/cgroup") = 0 [pid 287] umount2("./7701/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7701/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7701/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7701") = 0 [pid 287] mkdir("./7702", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22707 attached [pid 22707] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22707] chdir("./7702" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22294 [pid 22707] <... chdir resumed>) = 0 [pid 22707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22707] setpgid(0, 0) = 0 [pid 22707] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22707] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22707] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22707] write(3, "1000", 4) = 4 [pid 22707] close(3) = 0 [pid 22707] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22707] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22707] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22707] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22295]}, 88) = 22295 ./strace-static-x86_64: Process 22708 attached [pid 22707] rt_sigprocmask(SIG_SETMASK, [], [pid 22708] set_robust_list(0x7f3b956fb9a0, 24 [pid 22707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22708] <... set_robust_list resumed>) = 0 [pid 22707] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22708] rt_sigprocmask(SIG_SETMASK, [], [pid 22707] <... futex resumed>) = 0 [pid 22708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22707] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22708] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22708] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22707] <... futex resumed>) = 0 [pid 22708] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22707] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22707] <... futex resumed>) = 0 [pid 22708] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22707] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22708] <... bpf resumed>) = 4 [pid 22708] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22707] <... futex resumed>) = 0 [pid 22708] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22707] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22707] <... futex resumed>) = 0 [pid 22708] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22707] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22708] <... bpf resumed>) = 0 [pid 22707] <... futex resumed>) = 0 [pid 22708] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22708] <... futex resumed>) = 0 [pid 22707] <... mmap resumed>) = 0x7f3b956ba000 [pid 22707] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22708] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22709 attached => {parent_tid=[22296]}, 88) = 22296 [pid 22709] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22707] rt_sigprocmask(SIG_SETMASK, [], [pid 22709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22709] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22707] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22709] <... futex resumed>) = 0 [pid 22707] <... futex resumed>) = 1 [pid 22709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22707] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22709] <... bpf resumed>) = 5 [pid 22709] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22707] <... futex resumed>) = 0 [pid 22709] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22707] close(3) = 0 [pid 22707] close(4) = 0 [pid 22707] close(5) = 0 [pid 22707] close(6) = -1 EBADF (Bad file descriptor) [pid 22707] close(7) = -1 EBADF (Bad file descriptor) [pid 22707] close(8) = -1 EBADF (Bad file descriptor) [pid 22707] close(9) = -1 EBADF (Bad file descriptor) [pid 22707] close(10) = -1 EBADF (Bad file descriptor) [pid 22707] close(11) = -1 EBADF (Bad file descriptor) [pid 22707] close(12) = -1 EBADF (Bad file descriptor) [pid 22707] close(13) = -1 EBADF (Bad file descriptor) [pid 22707] close(14) = -1 EBADF (Bad file descriptor) [pid 22707] close(15) = -1 EBADF (Bad file descriptor) [pid 22707] close(16) = -1 EBADF (Bad file descriptor) [pid 22707] close(17) = -1 EBADF (Bad file descriptor) [pid 22707] close(18) = -1 EBADF (Bad file descriptor) [pid 22707] close(19) = -1 EBADF (Bad file descriptor) [pid 22707] close(20) = -1 EBADF (Bad file descriptor) [pid 22707] close(21) = -1 EBADF (Bad file descriptor) [pid 22707] close(22) = -1 EBADF (Bad file descriptor) [pid 22707] close(23) = -1 EBADF (Bad file descriptor) [pid 22707] close(24) = -1 EBADF (Bad file descriptor) [pid 22707] close(25) = -1 EBADF (Bad file descriptor) [pid 22707] close(26) = -1 EBADF (Bad file descriptor) [pid 22707] close(27) = -1 EBADF (Bad file descriptor) [pid 22707] close(28) = -1 EBADF (Bad file descriptor) [pid 22707] close(29) = -1 EBADF (Bad file descriptor) [pid 22707] exit_group(0 [pid 22709] <... futex resumed>) = ? [pid 22708] <... futex resumed>) = ? [pid 22707] <... exit_group resumed>) = ? [pid 22709] +++ exited with 0 +++ [pid 22708] +++ exited with 0 +++ [pid 22707] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7702", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7702/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7702/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7702/cgroup.cpu") = 0 [pid 287] umount2("./7702/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7702/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7702/binderfs") = 0 [pid 287] umount2("./7702/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7702/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7702/cgroup") = 0 [pid 287] umount2("./7702/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7702/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7702/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7702") = 0 [pid 287] mkdir("./7703", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22710 attached [pid 22710] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22710] chdir("./7703" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22297 [pid 22710] <... chdir resumed>) = 0 [pid 22710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22710] setpgid(0, 0) = 0 [pid 22710] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22710] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22710] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22710] write(3, "1000", 4) = 4 [pid 22710] close(3) = 0 [pid 22710] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22710] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22710] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22710] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22711 attached => {parent_tid=[22298]}, 88) = 22298 [pid 22711] set_robust_list(0x7f3b956fb9a0, 24 [pid 22710] rt_sigprocmask(SIG_SETMASK, [], [pid 22711] <... set_robust_list resumed>) = 0 [pid 22710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22711] rt_sigprocmask(SIG_SETMASK, [], [pid 22710] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22710] <... futex resumed>) = 0 [pid 22710] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22711] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22710] <... futex resumed>) = 0 [pid 22711] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22710] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22710] <... futex resumed>) = 0 [pid 22711] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22710] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22711] <... bpf resumed>) = 4 [pid 22711] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22710] <... futex resumed>) = 0 [pid 22711] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22710] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22710] <... futex resumed>) = 0 [pid 22711] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22710] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22711] <... bpf resumed>) = 0 [pid 22710] <... futex resumed>) = 0 [pid 22711] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22711] <... futex resumed>) = 0 [pid 22710] <... mmap resumed>) = 0x7f3b956ba000 [pid 22711] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22710] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22712 attached [pid 22712] set_robust_list(0x7f3b956da9a0, 24 [pid 22710] <... clone3 resumed> => {parent_tid=[22299]}, 88) = 22299 [pid 22712] <... set_robust_list resumed>) = 0 [pid 22712] rt_sigprocmask(SIG_SETMASK, [], [pid 22710] rt_sigprocmask(SIG_SETMASK, [], [pid 22712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22712] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22710] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22712] <... futex resumed>) = 0 [pid 22710] <... futex resumed>) = 1 [pid 22712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22710] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22712] <... bpf resumed>) = 5 [pid 22712] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22710] <... futex resumed>) = 0 [pid 22712] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22710] close(3) = 0 [pid 22710] close(4) = 0 [pid 22710] close(5) = 0 [pid 22710] close(6) = -1 EBADF (Bad file descriptor) [pid 22710] close(7) = -1 EBADF (Bad file descriptor) [pid 22710] close(8) = -1 EBADF (Bad file descriptor) [pid 22710] close(9) = -1 EBADF (Bad file descriptor) [pid 22710] close(10) = -1 EBADF (Bad file descriptor) [pid 22710] close(11) = -1 EBADF (Bad file descriptor) [pid 22710] close(12) = -1 EBADF (Bad file descriptor) [pid 22710] close(13) = -1 EBADF (Bad file descriptor) [pid 22710] close(14) = -1 EBADF (Bad file descriptor) [pid 22710] close(15) = -1 EBADF (Bad file descriptor) [pid 22710] close(16) = -1 EBADF (Bad file descriptor) [pid 22710] close(17) = -1 EBADF (Bad file descriptor) [pid 22710] close(18) = -1 EBADF (Bad file descriptor) [pid 22710] close(19) = -1 EBADF (Bad file descriptor) [pid 22710] close(20) = -1 EBADF (Bad file descriptor) [pid 22710] close(21) = -1 EBADF (Bad file descriptor) [pid 22710] close(22) = -1 EBADF (Bad file descriptor) [pid 22710] close(23) = -1 EBADF (Bad file descriptor) [pid 22710] close(24) = -1 EBADF (Bad file descriptor) [pid 22710] close(25) = -1 EBADF (Bad file descriptor) [pid 22710] close(26) = -1 EBADF (Bad file descriptor) [pid 22710] close(27) = -1 EBADF (Bad file descriptor) [pid 22710] close(28) = -1 EBADF (Bad file descriptor) [pid 22710] close(29) = -1 EBADF (Bad file descriptor) [pid 22710] exit_group(0 [pid 22711] <... futex resumed>) = ? [pid 22710] <... exit_group resumed>) = ? [pid 22712] <... futex resumed>) = ? [pid 22711] +++ exited with 0 +++ [pid 22712] +++ exited with 0 +++ [pid 22710] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7703", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7703/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7703/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7703/cgroup.cpu") = 0 [pid 287] umount2("./7703/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7703/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7703/binderfs") = 0 [pid 287] umount2("./7703/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7703/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7703/cgroup") = 0 [pid 287] umount2("./7703/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7703/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7703/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7703") = 0 [pid 287] mkdir("./7704", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22713 attached [pid 22713] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22713] chdir("./7704" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22300 [pid 22713] <... chdir resumed>) = 0 [pid 22713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22713] setpgid(0, 0) = 0 [pid 22713] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22713] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22713] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22713] write(3, "1000", 4) = 4 [pid 22713] close(3) = 0 [pid 22713] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22713] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22713] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22713] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22714 attached [pid 22714] set_robust_list(0x7f3b956fb9a0, 24 [pid 22713] <... clone3 resumed> => {parent_tid=[22301]}, 88) = 22301 [pid 22714] <... set_robust_list resumed>) = 0 [pid 22713] rt_sigprocmask(SIG_SETMASK, [], [pid 22714] rt_sigprocmask(SIG_SETMASK, [], [pid 22713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22713] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22713] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22714] <... bpf resumed>) = 3 [pid 22714] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22713] <... futex resumed>) = 0 [pid 22714] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22713] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22713] <... futex resumed>) = 0 [pid 22714] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22713] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22714] <... bpf resumed>) = 4 [pid 22714] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22713] <... futex resumed>) = 0 [pid 22714] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22713] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22713] <... futex resumed>) = 0 [pid 22714] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22713] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22714] <... bpf resumed>) = 0 [pid 22713] <... futex resumed>) = 0 [pid 22714] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22714] <... futex resumed>) = 0 [pid 22713] <... mmap resumed>) = 0x7f3b956ba000 [pid 22714] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22713] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22715 attached [pid 22715] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22715] rt_sigprocmask(SIG_SETMASK, [], [pid 22713] <... clone3 resumed> => {parent_tid=[22302]}, 88) = 22302 [pid 22715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22715] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22713] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22715] <... futex resumed>) = 0 [pid 22713] <... futex resumed>) = 1 [pid 22715] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22713] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22715] <... bpf resumed>) = 5 [pid 22715] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22713] <... futex resumed>) = 0 [pid 22715] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22713] close(3) = 0 [pid 22713] close(4) = 0 [pid 22713] close(5) = 0 [pid 22713] close(6) = -1 EBADF (Bad file descriptor) [pid 22713] close(7) = -1 EBADF (Bad file descriptor) [pid 22713] close(8) = -1 EBADF (Bad file descriptor) [pid 22713] close(9) = -1 EBADF (Bad file descriptor) [pid 22713] close(10) = -1 EBADF (Bad file descriptor) [pid 22713] close(11) = -1 EBADF (Bad file descriptor) [pid 22713] close(12) = -1 EBADF (Bad file descriptor) [pid 22713] close(13) = -1 EBADF (Bad file descriptor) [pid 22713] close(14) = -1 EBADF (Bad file descriptor) [pid 22713] close(15) = -1 EBADF (Bad file descriptor) [pid 22713] close(16) = -1 EBADF (Bad file descriptor) [pid 22713] close(17) = -1 EBADF (Bad file descriptor) [pid 22713] close(18) = -1 EBADF (Bad file descriptor) [pid 22713] close(19) = -1 EBADF (Bad file descriptor) [pid 22713] close(20) = -1 EBADF (Bad file descriptor) [pid 22713] close(21) = -1 EBADF (Bad file descriptor) [pid 22713] close(22) = -1 EBADF (Bad file descriptor) [pid 22713] close(23) = -1 EBADF (Bad file descriptor) [pid 22713] close(24) = -1 EBADF (Bad file descriptor) [pid 22713] close(25) = -1 EBADF (Bad file descriptor) [pid 22713] close(26) = -1 EBADF (Bad file descriptor) [pid 22713] close(27) = -1 EBADF (Bad file descriptor) [pid 22713] close(28) = -1 EBADF (Bad file descriptor) [pid 22713] close(29) = -1 EBADF (Bad file descriptor) [pid 22713] exit_group(0 [pid 22714] <... futex resumed>) = ? [pid 22713] <... exit_group resumed>) = ? [pid 22715] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 22714] +++ exited with 0 +++ [pid 22715] +++ exited with 0 +++ [pid 22713] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7704", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7704/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7704/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7704/cgroup.cpu") = 0 [pid 287] umount2("./7704/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7704/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7704/binderfs") = 0 [pid 287] umount2("./7704/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7704/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7704/cgroup") = 0 [pid 287] umount2("./7704/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7704/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7704/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7704") = 0 [pid 287] mkdir("./7705", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22716 attached [pid 22716] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22303 [pid 22716] chdir("./7705") = 0 [pid 22716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22716] setpgid(0, 0) = 0 [pid 22716] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22716] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22716] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22716] write(3, "1000", 4) = 4 [pid 22716] close(3) = 0 [pid 22716] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22716] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22716] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22716] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22717 attached => {parent_tid=[22304]}, 88) = 22304 [pid 22717] set_robust_list(0x7f3b956fb9a0, 24 [pid 22716] rt_sigprocmask(SIG_SETMASK, [], [pid 22717] <... set_robust_list resumed>) = 0 [pid 22716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22717] rt_sigprocmask(SIG_SETMASK, [], [pid 22716] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22716] <... futex resumed>) = 0 [pid 22716] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22717] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22717] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22716] <... futex resumed>) = 0 [pid 22717] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22716] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22716] <... futex resumed>) = 0 [pid 22717] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22716] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22717] <... bpf resumed>) = 4 [pid 22717] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22716] <... futex resumed>) = 0 [pid 22717] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22716] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22716] <... futex resumed>) = 0 [pid 22717] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22716] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22717] <... bpf resumed>) = 0 [pid 22716] <... futex resumed>) = 0 [pid 22717] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22717] <... futex resumed>) = 0 [pid 22716] <... mmap resumed>) = 0x7f3b956ba000 [pid 22717] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22716] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22718 attached [pid 22718] set_robust_list(0x7f3b956da9a0, 24 [pid 22716] <... clone3 resumed> => {parent_tid=[22305]}, 88) = 22305 [pid 22718] <... set_robust_list resumed>) = 0 [pid 22718] rt_sigprocmask(SIG_SETMASK, [], [pid 22716] rt_sigprocmask(SIG_SETMASK, [], [pid 22718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22718] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22716] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22718] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22716] <... futex resumed>) = 0 [pid 22716] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22718] <... bpf resumed>) = 5 [pid 22718] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22716] <... futex resumed>) = 0 [pid 22718] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22716] close(3) = 0 [pid 22716] close(4) = 0 [pid 22716] close(5) = 0 [pid 22716] close(6) = -1 EBADF (Bad file descriptor) [pid 22716] close(7) = -1 EBADF (Bad file descriptor) [pid 22716] close(8) = -1 EBADF (Bad file descriptor) [pid 22716] close(9) = -1 EBADF (Bad file descriptor) [pid 22716] close(10) = -1 EBADF (Bad file descriptor) [pid 22716] close(11) = -1 EBADF (Bad file descriptor) [pid 22716] close(12) = -1 EBADF (Bad file descriptor) [pid 22716] close(13) = -1 EBADF (Bad file descriptor) [pid 22716] close(14) = -1 EBADF (Bad file descriptor) [pid 22716] close(15) = -1 EBADF (Bad file descriptor) [pid 22716] close(16) = -1 EBADF (Bad file descriptor) [pid 22716] close(17) = -1 EBADF (Bad file descriptor) [pid 22716] close(18) = -1 EBADF (Bad file descriptor) [pid 22716] close(19) = -1 EBADF (Bad file descriptor) [pid 22716] close(20) = -1 EBADF (Bad file descriptor) [pid 22716] close(21) = -1 EBADF (Bad file descriptor) [pid 22716] close(22) = -1 EBADF (Bad file descriptor) [pid 22716] close(23) = -1 EBADF (Bad file descriptor) [pid 22716] close(24) = -1 EBADF (Bad file descriptor) [pid 22716] close(25) = -1 EBADF (Bad file descriptor) [pid 22716] close(26) = -1 EBADF (Bad file descriptor) [pid 22716] close(27) = -1 EBADF (Bad file descriptor) [pid 22716] close(28) = -1 EBADF (Bad file descriptor) [pid 22716] close(29) = -1 EBADF (Bad file descriptor) [pid 22716] exit_group(0) = ? [pid 22717] <... futex resumed>) = ? [pid 22718] <... futex resumed>) = ? [pid 22718] +++ exited with 0 +++ [pid 22717] +++ exited with 0 +++ [pid 22716] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7705", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7705/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7705/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7705/cgroup.cpu") = 0 [pid 287] umount2("./7705/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7705/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7705/binderfs") = 0 [pid 287] umount2("./7705/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7705/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7705/cgroup") = 0 [pid 287] umount2("./7705/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7705/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7705/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7705") = 0 [pid 287] mkdir("./7706", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22719 attached [pid 22719] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22719] chdir("./7706") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22306 [pid 22719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22719] setpgid(0, 0) = 0 [pid 22719] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22719] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22719] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22719] write(3, "1000", 4) = 4 [pid 22719] close(3) = 0 [pid 22719] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22719] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22719] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22719] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22720 attached [pid 22720] set_robust_list(0x7f3b956fb9a0, 24 [pid 22719] <... clone3 resumed> => {parent_tid=[22307]}, 88) = 22307 [pid 22720] <... set_robust_list resumed>) = 0 [pid 22719] rt_sigprocmask(SIG_SETMASK, [], [pid 22720] rt_sigprocmask(SIG_SETMASK, [], [pid 22719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22719] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22719] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22720] <... bpf resumed>) = 3 [pid 22720] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22719] <... futex resumed>) = 0 [pid 22720] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22719] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22720] <... bpf resumed>) = 4 [pid 22719] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22720] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22720] <... futex resumed>) = 0 [pid 22719] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22720] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22719] <... futex resumed>) = 0 [pid 22720] <... bpf resumed>) = 0 [pid 22719] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22720] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22719] <... futex resumed>) = 0 [pid 22720] <... futex resumed>) = 0 [pid 22719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22720] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22719] <... mmap resumed>) = 0x7f3b956ba000 [pid 22719] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22721 attached [pid 22721] set_robust_list(0x7f3b956da9a0, 24 [pid 22719] <... clone3 resumed> => {parent_tid=[22308]}, 88) = 22308 [pid 22721] <... set_robust_list resumed>) = 0 [pid 22721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22721] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22719] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22721] <... futex resumed>) = 0 [pid 22719] <... futex resumed>) = 1 [pid 22721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22719] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22721] <... bpf resumed>) = 5 [pid 22721] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22719] <... futex resumed>) = 0 [pid 22721] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22719] close(3) = 0 [pid 22719] close(4) = 0 [pid 22719] close(5) = 0 [pid 22719] close(6) = -1 EBADF (Bad file descriptor) [pid 22719] close(7) = -1 EBADF (Bad file descriptor) [pid 22719] close(8) = -1 EBADF (Bad file descriptor) [pid 22719] close(9) = -1 EBADF (Bad file descriptor) [pid 22719] close(10) = -1 EBADF (Bad file descriptor) [pid 22719] close(11) = -1 EBADF (Bad file descriptor) [pid 22719] close(12) = -1 EBADF (Bad file descriptor) [pid 22719] close(13) = -1 EBADF (Bad file descriptor) [pid 22719] close(14) = -1 EBADF (Bad file descriptor) [pid 22719] close(15) = -1 EBADF (Bad file descriptor) [pid 22719] close(16) = -1 EBADF (Bad file descriptor) [pid 22719] close(17) = -1 EBADF (Bad file descriptor) [pid 22719] close(18) = -1 EBADF (Bad file descriptor) [pid 22719] close(19) = -1 EBADF (Bad file descriptor) [pid 22719] close(20) = -1 EBADF (Bad file descriptor) [pid 22719] close(21) = -1 EBADF (Bad file descriptor) [pid 22719] close(22) = -1 EBADF (Bad file descriptor) [pid 22719] close(23) = -1 EBADF (Bad file descriptor) [pid 22719] close(24) = -1 EBADF (Bad file descriptor) [pid 22719] close(25) = -1 EBADF (Bad file descriptor) [pid 22719] close(26) = -1 EBADF (Bad file descriptor) [pid 22719] close(27) = -1 EBADF (Bad file descriptor) [pid 22719] close(28) = -1 EBADF (Bad file descriptor) [pid 22719] close(29) = -1 EBADF (Bad file descriptor) [pid 22719] exit_group(0) = ? [pid 22720] <... futex resumed>) = ? [pid 22721] <... futex resumed>) = ? [pid 22720] +++ exited with 0 +++ [pid 22721] +++ exited with 0 +++ [pid 22719] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7706", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7706/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7706/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7706/cgroup.cpu") = 0 [pid 287] umount2("./7706/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7706/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7706/binderfs") = 0 [pid 287] umount2("./7706/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7706/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7706/cgroup") = 0 [pid 287] umount2("./7706/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7706/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7706/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7706") = 0 [pid 287] mkdir("./7707", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22722 attached [pid 22722] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22309 [pid 22722] chdir("./7707") = 0 [pid 22722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22722] setpgid(0, 0) = 0 [pid 22722] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22722] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22722] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22722] write(3, "1000", 4) = 4 [pid 22722] close(3) = 0 [pid 22722] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22722] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22722] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22722] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22723 attached [pid 22723] set_robust_list(0x7f3b956fb9a0, 24 [pid 22722] <... clone3 resumed> => {parent_tid=[22310]}, 88) = 22310 [pid 22723] <... set_robust_list resumed>) = 0 [pid 22722] rt_sigprocmask(SIG_SETMASK, [], [pid 22723] rt_sigprocmask(SIG_SETMASK, [], [pid 22722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22722] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22723] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22722] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22723] <... bpf resumed>) = 3 [pid 22723] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22722] <... futex resumed>) = 0 [pid 22723] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22722] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22722] <... futex resumed>) = 0 [pid 22723] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22722] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22723] <... bpf resumed>) = 4 [pid 22723] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22722] <... futex resumed>) = 0 [pid 22723] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22722] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22723] <... bpf resumed>) = 0 [pid 22722] <... futex resumed>) = 0 [pid 22723] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22722] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22723] <... futex resumed>) = 0 [pid 22722] <... futex resumed>) = 0 [pid 22723] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22722] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22723] <... bpf resumed>) = 5 [pid 22723] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22722] <... futex resumed>) = 0 [pid 22723] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22722] close(3) = 0 [pid 22722] close(4) = 0 [pid 22722] close(5) = 0 [pid 22722] close(6) = -1 EBADF (Bad file descriptor) [pid 22722] close(7) = -1 EBADF (Bad file descriptor) [pid 22722] close(8) = -1 EBADF (Bad file descriptor) [pid 22722] close(9) = -1 EBADF (Bad file descriptor) [pid 22722] close(10) = -1 EBADF (Bad file descriptor) [pid 22722] close(11) = -1 EBADF (Bad file descriptor) [pid 22722] close(12) = -1 EBADF (Bad file descriptor) [pid 22722] close(13) = -1 EBADF (Bad file descriptor) [pid 22722] close(14) = -1 EBADF (Bad file descriptor) [pid 22722] close(15) = -1 EBADF (Bad file descriptor) [pid 22722] close(16) = -1 EBADF (Bad file descriptor) [pid 22722] close(17) = -1 EBADF (Bad file descriptor) [pid 22722] close(18) = -1 EBADF (Bad file descriptor) [pid 22722] close(19) = -1 EBADF (Bad file descriptor) [pid 22722] close(20) = -1 EBADF (Bad file descriptor) [pid 22722] close(21) = -1 EBADF (Bad file descriptor) [pid 22722] close(22) = -1 EBADF (Bad file descriptor) [pid 22722] close(23) = -1 EBADF (Bad file descriptor) [pid 22722] close(24) = -1 EBADF (Bad file descriptor) [pid 22722] close(25) = -1 EBADF (Bad file descriptor) [pid 22722] close(26) = -1 EBADF (Bad file descriptor) [pid 22722] close(27) = -1 EBADF (Bad file descriptor) [pid 22722] close(28) = -1 EBADF (Bad file descriptor) [pid 22722] close(29) = -1 EBADF (Bad file descriptor) [pid 22722] exit_group(0) = ? [pid 22723] <... futex resumed>) = ? [pid 22723] +++ exited with 0 +++ [pid 22722] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7707", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7707/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7707/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7707/cgroup.cpu") = 0 [pid 287] umount2("./7707/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7707/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7707/binderfs") = 0 [pid 287] umount2("./7707/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7707/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7707/cgroup") = 0 [pid 287] umount2("./7707/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7707/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7707/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7707") = 0 [pid 287] mkdir("./7708", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22311 ./strace-static-x86_64: Process 22724 attached [pid 22724] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22724] chdir("./7708") = 0 [pid 22724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22724] setpgid(0, 0) = 0 [pid 22724] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22724] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22724] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22724] write(3, "1000", 4) = 4 [pid 22724] close(3) = 0 [pid 22724] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22724] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22724] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22724] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22724] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22724] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22725 attached [pid 22725] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22724] <... clone3 resumed> => {parent_tid=[22312]}, 88) = 22312 [pid 22725] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22724] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22725] <... futex resumed>) = 0 [pid 22724] <... futex resumed>) = 1 [pid 22725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22724] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22725] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22725] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22724] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22725] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22724] <... futex resumed>) = 0 [pid 22725] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22724] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22725] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22724] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22725] <... futex resumed>) = 0 [pid 22724] <... futex resumed>) = 1 [pid 22725] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22724] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22725] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22724] <... futex resumed>) = 0 [pid 22725] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22724] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22724] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22726 attached [pid 22726] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22726] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22724] <... clone3 resumed> => {parent_tid=[22313]}, 88) = 22313 [pid 22724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22724] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22726] <... futex resumed>) = 0 [pid 22724] <... futex resumed>) = 1 [pid 22726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22724] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22726] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22726] <... futex resumed>) = 0 [pid 22724] close(3 [pid 22726] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22724] <... close resumed>) = 0 [pid 22724] close(4) = 0 [pid 22724] close(5) = 0 [pid 22724] close(6) = -1 EBADF (Bad file descriptor) [pid 22724] close(7) = -1 EBADF (Bad file descriptor) [pid 22724] close(8) = -1 EBADF (Bad file descriptor) [pid 22724] close(9) = -1 EBADF (Bad file descriptor) [pid 22724] close(10) = -1 EBADF (Bad file descriptor) [pid 22724] close(11) = -1 EBADF (Bad file descriptor) [pid 22724] close(12) = -1 EBADF (Bad file descriptor) [pid 22724] close(13) = -1 EBADF (Bad file descriptor) [pid 22724] close(14) = -1 EBADF (Bad file descriptor) [pid 22724] close(15) = -1 EBADF (Bad file descriptor) [pid 22724] close(16) = -1 EBADF (Bad file descriptor) [pid 22724] close(17) = -1 EBADF (Bad file descriptor) [pid 22724] close(18) = -1 EBADF (Bad file descriptor) [pid 22724] close(19) = -1 EBADF (Bad file descriptor) [pid 22724] close(20) = -1 EBADF (Bad file descriptor) [pid 22724] close(21) = -1 EBADF (Bad file descriptor) [pid 22724] close(22) = -1 EBADF (Bad file descriptor) [pid 22724] close(23) = -1 EBADF (Bad file descriptor) [pid 22724] close(24) = -1 EBADF (Bad file descriptor) [pid 22724] close(25) = -1 EBADF (Bad file descriptor) [pid 22724] close(26) = -1 EBADF (Bad file descriptor) [pid 22724] close(27) = -1 EBADF (Bad file descriptor) [pid 22724] close(28) = -1 EBADF (Bad file descriptor) [pid 22724] close(29) = -1 EBADF (Bad file descriptor) [pid 22724] exit_group(0 [pid 22726] <... futex resumed>) = ? [pid 22725] <... futex resumed>) = ? [pid 22724] <... exit_group resumed>) = ? [pid 22726] +++ exited with 0 +++ [pid 22725] +++ exited with 0 +++ [pid 22724] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7708", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7708/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7708/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7708/cgroup.cpu") = 0 [pid 287] umount2("./7708/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7708/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7708/binderfs") = 0 [pid 287] umount2("./7708/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7708/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7708/cgroup") = 0 [pid 287] umount2("./7708/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7708/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7708/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7708") = 0 [pid 287] mkdir("./7709", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22727 attached [pid 22727] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22314 [pid 22727] chdir("./7709") = 0 [pid 22727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22727] setpgid(0, 0) = 0 [pid 22727] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22727] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22727] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22727] write(3, "1000", 4) = 4 [pid 22727] close(3) = 0 [pid 22727] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22727] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22727] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22727] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22728 attached => {parent_tid=[22315]}, 88) = 22315 [pid 22728] set_robust_list(0x7f3b956fb9a0, 24 [pid 22727] rt_sigprocmask(SIG_SETMASK, [], [pid 22728] <... set_robust_list resumed>) = 0 [pid 22727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22727] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22728] rt_sigprocmask(SIG_SETMASK, [], [pid 22727] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22728] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22727] <... futex resumed>) = 0 [pid 22728] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22727] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22727] <... futex resumed>) = 0 [pid 22728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22727] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22728] <... bpf resumed>) = 4 [pid 22728] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22727] <... futex resumed>) = 0 [pid 22728] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22727] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22727] <... futex resumed>) = 0 [pid 22728] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22727] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22728] <... bpf resumed>) = 0 [pid 22727] <... futex resumed>) = 0 [pid 22727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22728] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22727] <... mmap resumed>) = 0x7f3b956ba000 [pid 22728] <... futex resumed>) = 0 [pid 22727] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22728] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22727] <... mprotect resumed>) = 0 [pid 22727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22729 attached [pid 22729] set_robust_list(0x7f3b956da9a0, 24 [pid 22727] <... clone3 resumed> => {parent_tid=[22316]}, 88) = 22316 [pid 22729] <... set_robust_list resumed>) = 0 [pid 22729] rt_sigprocmask(SIG_SETMASK, [], [pid 22727] rt_sigprocmask(SIG_SETMASK, [], [pid 22729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22729] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22727] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22729] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22727] <... futex resumed>) = 0 [pid 22727] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22729] <... bpf resumed>) = 5 [pid 22729] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22727] <... futex resumed>) = 0 [pid 22729] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22727] close(3) = 0 [pid 22727] close(4) = 0 [pid 22727] close(5) = 0 [pid 22727] close(6) = -1 EBADF (Bad file descriptor) [pid 22727] close(7) = -1 EBADF (Bad file descriptor) [pid 22727] close(8) = -1 EBADF (Bad file descriptor) [pid 22727] close(9) = -1 EBADF (Bad file descriptor) [pid 22727] close(10) = -1 EBADF (Bad file descriptor) [pid 22727] close(11) = -1 EBADF (Bad file descriptor) [pid 22727] close(12) = -1 EBADF (Bad file descriptor) [pid 22727] close(13) = -1 EBADF (Bad file descriptor) [pid 22727] close(14) = -1 EBADF (Bad file descriptor) [pid 22727] close(15) = -1 EBADF (Bad file descriptor) [pid 22727] close(16) = -1 EBADF (Bad file descriptor) [pid 22727] close(17) = -1 EBADF (Bad file descriptor) [pid 22727] close(18) = -1 EBADF (Bad file descriptor) [pid 22727] close(19) = -1 EBADF (Bad file descriptor) [pid 22727] close(20) = -1 EBADF (Bad file descriptor) [pid 22727] close(21) = -1 EBADF (Bad file descriptor) [pid 22727] close(22) = -1 EBADF (Bad file descriptor) [pid 22727] close(23) = -1 EBADF (Bad file descriptor) [pid 22727] close(24) = -1 EBADF (Bad file descriptor) [pid 22727] close(25) = -1 EBADF (Bad file descriptor) [pid 22727] close(26) = -1 EBADF (Bad file descriptor) [pid 22727] close(27) = -1 EBADF (Bad file descriptor) [pid 22727] close(28) = -1 EBADF (Bad file descriptor) [pid 22727] close(29) = -1 EBADF (Bad file descriptor) [pid 22727] exit_group(0 [pid 22729] <... futex resumed>) = ? [pid 22728] <... futex resumed>) = ? [pid 22727] <... exit_group resumed>) = ? [pid 22728] +++ exited with 0 +++ [pid 22729] +++ exited with 0 +++ [pid 22727] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7709", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7709/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7709/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7709/cgroup.cpu") = 0 [pid 287] umount2("./7709/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7709/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7709/binderfs") = 0 [pid 287] umount2("./7709/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7709/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7709/cgroup") = 0 [pid 287] umount2("./7709/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7709/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7709/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7709") = 0 [pid 287] mkdir("./7710", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22730 attached [pid 22730] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22730] chdir("./7710" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22317 [pid 22730] <... chdir resumed>) = 0 [pid 22730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22730] setpgid(0, 0) = 0 [pid 22730] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22730] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22730] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22730] write(3, "1000", 4) = 4 [pid 22730] close(3) = 0 [pid 22730] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22730] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22730] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22730] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22730] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22731 attached [pid 22731] set_robust_list(0x7f3b956fb9a0, 24 [pid 22730] <... clone3 resumed> => {parent_tid=[22318]}, 88) = 22318 [pid 22731] <... set_robust_list resumed>) = 0 [pid 22730] rt_sigprocmask(SIG_SETMASK, [], [pid 22731] rt_sigprocmask(SIG_SETMASK, [], [pid 22730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22730] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22731] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22730] <... futex resumed>) = 0 [pid 22731] <... bpf resumed>) = 3 [pid 22730] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22731] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22731] <... futex resumed>) = 0 [pid 22730] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22731] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22730] <... futex resumed>) = 0 [pid 22731] <... bpf resumed>) = 4 [pid 22730] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22731] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22731] <... futex resumed>) = 0 [pid 22730] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22731] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22730] <... futex resumed>) = 0 [pid 22731] <... bpf resumed>) = 0 [pid 22730] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22731] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22730] <... futex resumed>) = 0 [pid 22731] <... futex resumed>) = 0 [pid 22730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22731] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22730] <... mmap resumed>) = 0x7f3b956ba000 [pid 22730] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22730] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22732 attached [pid 22732] set_robust_list(0x7f3b956da9a0, 24 [pid 22730] <... clone3 resumed> => {parent_tid=[22319]}, 88) = 22319 [pid 22732] <... set_robust_list resumed>) = 0 [pid 22730] rt_sigprocmask(SIG_SETMASK, [], [pid 22732] rt_sigprocmask(SIG_SETMASK, [], [pid 22730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22730] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22730] <... futex resumed>) = 0 [pid 22730] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22732] <... bpf resumed>) = 5 [pid 22732] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22730] <... futex resumed>) = 0 [pid 22732] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22730] close(3) = 0 [pid 22730] close(4) = 0 [pid 22730] close(5) = 0 [pid 22730] close(6) = -1 EBADF (Bad file descriptor) [pid 22730] close(7) = -1 EBADF (Bad file descriptor) [pid 22730] close(8) = -1 EBADF (Bad file descriptor) [pid 22730] close(9) = -1 EBADF (Bad file descriptor) [pid 22730] close(10) = -1 EBADF (Bad file descriptor) [pid 22730] close(11) = -1 EBADF (Bad file descriptor) [pid 22730] close(12) = -1 EBADF (Bad file descriptor) [pid 22730] close(13) = -1 EBADF (Bad file descriptor) [pid 22730] close(14) = -1 EBADF (Bad file descriptor) [pid 22730] close(15) = -1 EBADF (Bad file descriptor) [pid 22730] close(16) = -1 EBADF (Bad file descriptor) [pid 22730] close(17) = -1 EBADF (Bad file descriptor) [pid 22730] close(18) = -1 EBADF (Bad file descriptor) [pid 22730] close(19) = -1 EBADF (Bad file descriptor) [pid 22730] close(20) = -1 EBADF (Bad file descriptor) [pid 22730] close(21) = -1 EBADF (Bad file descriptor) [pid 22730] close(22) = -1 EBADF (Bad file descriptor) [pid 22730] close(23) = -1 EBADF (Bad file descriptor) [pid 22730] close(24) = -1 EBADF (Bad file descriptor) [pid 22730] close(25) = -1 EBADF (Bad file descriptor) [pid 22730] close(26) = -1 EBADF (Bad file descriptor) [pid 22730] close(27) = -1 EBADF (Bad file descriptor) [pid 22730] close(28) = -1 EBADF (Bad file descriptor) [pid 22730] close(29) = -1 EBADF (Bad file descriptor) [pid 22730] exit_group(0 [pid 22732] <... futex resumed>) = ? [pid 22731] <... futex resumed>) = ? [pid 22730] <... exit_group resumed>) = ? [pid 22732] +++ exited with 0 +++ [pid 22731] +++ exited with 0 +++ [pid 22730] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7710", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7710/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7710/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7710/cgroup.cpu") = 0 [pid 287] umount2("./7710/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7710/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7710/binderfs") = 0 [pid 287] umount2("./7710/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7710/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7710/cgroup") = 0 [pid 287] umount2("./7710/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7710/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7710/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7710") = 0 [pid 287] mkdir("./7711", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22320 ./strace-static-x86_64: Process 22733 attached [pid 22733] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22733] chdir("./7711") = 0 [pid 22733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22733] setpgid(0, 0) = 0 [pid 22733] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22733] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22733] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22733] write(3, "1000", 4) = 4 [pid 22733] close(3) = 0 [pid 22733] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22733] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22733] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22733] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22734 attached [pid 22734] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22734] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22733] <... clone3 resumed> => {parent_tid=[22321]}, 88) = 22321 [pid 22733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22733] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22734] <... futex resumed>) = 0 [pid 22733] <... futex resumed>) = 1 [pid 22734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22733] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22734] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22734] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22733] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22734] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22733] <... futex resumed>) = 0 [pid 22734] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22733] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22734] <... futex resumed>) = 0 [pid 22733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22734] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22733] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22734] <... futex resumed>) = 0 [pid 22733] <... futex resumed>) = 1 [pid 22734] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22733] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22734] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22733] <... futex resumed>) = 0 [pid 22734] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22733] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22735 attached [pid 22735] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22735] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22733] <... clone3 resumed> => {parent_tid=[22322]}, 88) = 22322 [pid 22733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22733] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22735] <... futex resumed>) = 0 [pid 22733] <... futex resumed>) = 1 [pid 22735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22733] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22735] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22735] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22733] close(3) = 0 [pid 22733] close(4) = 0 [pid 22733] close(5) = 0 [pid 22733] close(6) = -1 EBADF (Bad file descriptor) [pid 22733] close(7) = -1 EBADF (Bad file descriptor) [pid 22733] close(8) = -1 EBADF (Bad file descriptor) [pid 22733] close(9) = -1 EBADF (Bad file descriptor) [pid 22733] close(10) = -1 EBADF (Bad file descriptor) [pid 22733] close(11) = -1 EBADF (Bad file descriptor) [pid 22733] close(12) = -1 EBADF (Bad file descriptor) [pid 22733] close(13) = -1 EBADF (Bad file descriptor) [pid 22733] close(14) = -1 EBADF (Bad file descriptor) [pid 22733] close(15) = -1 EBADF (Bad file descriptor) [pid 22733] close(16) = -1 EBADF (Bad file descriptor) [pid 22733] close(17) = -1 EBADF (Bad file descriptor) [pid 22733] close(18) = -1 EBADF (Bad file descriptor) [pid 22733] close(19) = -1 EBADF (Bad file descriptor) [pid 22733] close(20) = -1 EBADF (Bad file descriptor) [pid 22733] close(21) = -1 EBADF (Bad file descriptor) [pid 22733] close(22) = -1 EBADF (Bad file descriptor) [pid 22733] close(23) = -1 EBADF (Bad file descriptor) [pid 22733] close(24) = -1 EBADF (Bad file descriptor) [pid 22733] close(25) = -1 EBADF (Bad file descriptor) [pid 22733] close(26) = -1 EBADF (Bad file descriptor) [pid 22733] close(27) = -1 EBADF (Bad file descriptor) [pid 22733] close(28) = -1 EBADF (Bad file descriptor) [pid 22733] close(29) = -1 EBADF (Bad file descriptor) [pid 22733] exit_group(0 [pid 22735] <... futex resumed>) = ? [pid 22734] <... futex resumed>) = ? [pid 22733] <... exit_group resumed>) = ? [pid 22735] +++ exited with 0 +++ [pid 22734] +++ exited with 0 +++ [pid 22733] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7711", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7711/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7711/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7711/cgroup.cpu") = 0 [pid 287] umount2("./7711/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7711/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7711/binderfs") = 0 [pid 287] umount2("./7711/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7711/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7711/cgroup") = 0 [pid 287] umount2("./7711/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7711/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7711/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7711") = 0 [pid 287] mkdir("./7712", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22736 attached [pid 22736] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22736] chdir("./7712") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22323 [pid 22736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22736] setpgid(0, 0) = 0 [pid 22736] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22736] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22736] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22736] write(3, "1000", 4) = 4 [pid 22736] close(3) = 0 [pid 22736] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22736] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22736] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22736] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22737 attached [pid 22737] set_robust_list(0x7f3b956fb9a0, 24 [pid 22736] <... clone3 resumed> => {parent_tid=[22324]}, 88) = 22324 [pid 22737] <... set_robust_list resumed>) = 0 [pid 22736] rt_sigprocmask(SIG_SETMASK, [], [pid 22737] rt_sigprocmask(SIG_SETMASK, [], [pid 22736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22736] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22737] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22736] <... futex resumed>) = 0 [pid 22737] <... bpf resumed>) = 3 [pid 22736] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22737] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22737] <... futex resumed>) = 0 [pid 22736] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22737] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22736] <... futex resumed>) = 0 [pid 22737] <... bpf resumed>) = 4 [pid 22736] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22737] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22737] <... futex resumed>) = 0 [pid 22736] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22737] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22736] <... futex resumed>) = 0 [pid 22737] <... bpf resumed>) = 0 [pid 22736] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22737] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22736] <... futex resumed>) = 0 [pid 22737] <... futex resumed>) = 0 [pid 22736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22737] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22736] <... mmap resumed>) = 0x7f3b956ba000 [pid 22736] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22325]}, 88) = 22325 ./strace-static-x86_64: Process 22738 attached [pid 22736] rt_sigprocmask(SIG_SETMASK, [], [pid 22738] set_robust_list(0x7f3b956da9a0, 24 [pid 22736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22736] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22738] <... set_robust_list resumed>) = 0 [pid 22736] <... futex resumed>) = 0 [pid 22738] rt_sigprocmask(SIG_SETMASK, [], [pid 22736] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22738] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22738] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22736] <... futex resumed>) = 0 [pid 22738] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22736] close(3) = 0 [pid 22736] close(4) = 0 [pid 22736] close(5) = 0 [pid 22736] close(6) = -1 EBADF (Bad file descriptor) [pid 22736] close(7) = -1 EBADF (Bad file descriptor) [pid 22736] close(8) = -1 EBADF (Bad file descriptor) [pid 22736] close(9) = -1 EBADF (Bad file descriptor) [pid 22736] close(10) = -1 EBADF (Bad file descriptor) [pid 22736] close(11) = -1 EBADF (Bad file descriptor) [pid 22736] close(12) = -1 EBADF (Bad file descriptor) [pid 22736] close(13) = -1 EBADF (Bad file descriptor) [pid 22736] close(14) = -1 EBADF (Bad file descriptor) [pid 22736] close(15) = -1 EBADF (Bad file descriptor) [pid 22736] close(16) = -1 EBADF (Bad file descriptor) [pid 22736] close(17) = -1 EBADF (Bad file descriptor) [pid 22736] close(18) = -1 EBADF (Bad file descriptor) [pid 22736] close(19) = -1 EBADF (Bad file descriptor) [pid 22736] close(20) = -1 EBADF (Bad file descriptor) [pid 22736] close(21) = -1 EBADF (Bad file descriptor) [pid 22736] close(22) = -1 EBADF (Bad file descriptor) [pid 22736] close(23) = -1 EBADF (Bad file descriptor) [pid 22736] close(24) = -1 EBADF (Bad file descriptor) [pid 22736] close(25) = -1 EBADF (Bad file descriptor) [pid 22736] close(26) = -1 EBADF (Bad file descriptor) [pid 22736] close(27) = -1 EBADF (Bad file descriptor) [pid 22736] close(28) = -1 EBADF (Bad file descriptor) [pid 22736] close(29) = -1 EBADF (Bad file descriptor) [pid 22736] exit_group(0 [pid 22738] <... futex resumed>) = ? [pid 22737] <... futex resumed>) = ? [pid 22736] <... exit_group resumed>) = ? [pid 22738] +++ exited with 0 +++ [pid 22737] +++ exited with 0 +++ [pid 22736] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7712", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7712/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7712/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7712/cgroup.cpu") = 0 [pid 287] umount2("./7712/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7712/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7712/binderfs") = 0 [pid 287] umount2("./7712/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7712/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7712/cgroup") = 0 [pid 287] umount2("./7712/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7712/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7712/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7712") = 0 [pid 287] mkdir("./7713", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22739 attached [pid 22739] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22739] chdir("./7713" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22326 [pid 22739] <... chdir resumed>) = 0 [pid 22739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22739] setpgid(0, 0) = 0 [pid 22739] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22739] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22739] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22739] write(3, "1000", 4) = 4 [pid 22739] close(3) = 0 [pid 22739] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22739] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22739] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22739] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22740 attached => {parent_tid=[22327]}, 88) = 22327 [pid 22740] set_robust_list(0x7f3b956fb9a0, 24 [pid 22739] rt_sigprocmask(SIG_SETMASK, [], [pid 22740] <... set_robust_list resumed>) = 0 [pid 22739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22740] rt_sigprocmask(SIG_SETMASK, [], [pid 22739] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22739] <... futex resumed>) = 0 [pid 22739] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22740] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22740] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22739] <... futex resumed>) = 0 [pid 22740] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22739] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22739] <... futex resumed>) = 0 [pid 22740] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22739] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22740] <... bpf resumed>) = 4 [pid 22740] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22739] <... futex resumed>) = 0 [pid 22740] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22739] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22739] <... futex resumed>) = 0 [pid 22740] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22739] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22740] <... bpf resumed>) = 0 [pid 22739] <... futex resumed>) = 0 [pid 22739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22739] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22740] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22739] <... mprotect resumed>) = 0 [pid 22740] <... futex resumed>) = 0 [pid 22739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22740] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22741 attached [pid 22741] set_robust_list(0x7f3b956da9a0, 24 [pid 22739] <... clone3 resumed> => {parent_tid=[22328]}, 88) = 22328 [pid 22741] <... set_robust_list resumed>) = 0 [pid 22739] rt_sigprocmask(SIG_SETMASK, [], [pid 22741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22741] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22739] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22741] <... futex resumed>) = 0 [pid 22739] <... futex resumed>) = 1 [pid 22741] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22739] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22741] <... bpf resumed>) = 5 [pid 22741] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22739] <... futex resumed>) = 0 [pid 22741] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22739] close(3) = 0 [pid 22739] close(4) = 0 [pid 22739] close(5) = 0 [pid 22739] close(6) = -1 EBADF (Bad file descriptor) [pid 22739] close(7) = -1 EBADF (Bad file descriptor) [pid 22739] close(8) = -1 EBADF (Bad file descriptor) [pid 22739] close(9) = -1 EBADF (Bad file descriptor) [pid 22739] close(10) = -1 EBADF (Bad file descriptor) [pid 22739] close(11) = -1 EBADF (Bad file descriptor) [pid 22739] close(12) = -1 EBADF (Bad file descriptor) [pid 22739] close(13) = -1 EBADF (Bad file descriptor) [pid 22739] close(14) = -1 EBADF (Bad file descriptor) [pid 22739] close(15) = -1 EBADF (Bad file descriptor) [pid 22739] close(16) = -1 EBADF (Bad file descriptor) [pid 22739] close(17) = -1 EBADF (Bad file descriptor) [pid 22739] close(18) = -1 EBADF (Bad file descriptor) [pid 22739] close(19) = -1 EBADF (Bad file descriptor) [pid 22739] close(20) = -1 EBADF (Bad file descriptor) [pid 22739] close(21) = -1 EBADF (Bad file descriptor) [pid 22739] close(22) = -1 EBADF (Bad file descriptor) [pid 22739] close(23) = -1 EBADF (Bad file descriptor) [pid 22739] close(24) = -1 EBADF (Bad file descriptor) [pid 22739] close(25) = -1 EBADF (Bad file descriptor) [pid 22739] close(26) = -1 EBADF (Bad file descriptor) [pid 22739] close(27) = -1 EBADF (Bad file descriptor) [pid 22739] close(28) = -1 EBADF (Bad file descriptor) [pid 22739] close(29) = -1 EBADF (Bad file descriptor) [pid 22739] exit_group(0 [pid 22741] <... futex resumed>) = ? [pid 22740] <... futex resumed>) = ? [pid 22739] <... exit_group resumed>) = ? [pid 22741] +++ exited with 0 +++ [pid 22740] +++ exited with 0 +++ [pid 22739] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7713", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7713/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7713/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7713/cgroup.cpu") = 0 [pid 287] umount2("./7713/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7713/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7713/binderfs") = 0 [pid 287] umount2("./7713/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7713/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7713/cgroup") = 0 [pid 287] umount2("./7713/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7713/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7713/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7713") = 0 [pid 287] mkdir("./7714", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22742 attached [pid 22742] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22329 [pid 22742] chdir("./7714") = 0 [pid 22742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22742] setpgid(0, 0) = 0 [pid 22742] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22742] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22742] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22742] write(3, "1000", 4) = 4 [pid 22742] close(3) = 0 [pid 22742] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22742] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22742] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22742] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22742] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22743 attached [pid 22743] set_robust_list(0x7f3b956fb9a0, 24 [pid 22742] <... clone3 resumed> => {parent_tid=[22330]}, 88) = 22330 [pid 22743] <... set_robust_list resumed>) = 0 [pid 22742] rt_sigprocmask(SIG_SETMASK, [], [pid 22743] rt_sigprocmask(SIG_SETMASK, [], [pid 22742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22742] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22742] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22743] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22743] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22742] <... futex resumed>) = 0 [pid 22743] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22742] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22742] <... futex resumed>) = 0 [pid 22743] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22742] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22743] <... bpf resumed>) = 4 [pid 22743] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22742] <... futex resumed>) = 0 [pid 22743] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22742] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22742] <... futex resumed>) = 0 [pid 22743] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22742] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22743] <... bpf resumed>) = 0 [pid 22742] <... futex resumed>) = 0 [pid 22742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22743] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22742] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22743] <... futex resumed>) = 0 [pid 22742] <... mprotect resumed>) = 0 [pid 22743] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22742] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22331]}, 88) = 22331 ./strace-static-x86_64: Process 22744 attached [pid 22744] set_robust_list(0x7f3b956da9a0, 24 [pid 22742] rt_sigprocmask(SIG_SETMASK, [], [pid 22744] <... set_robust_list resumed>) = 0 [pid 22744] rt_sigprocmask(SIG_SETMASK, [], [pid 22742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22744] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22742] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22744] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22742] <... futex resumed>) = 0 [pid 22742] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22744] <... bpf resumed>) = 5 [pid 22744] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22744] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22742] <... futex resumed>) = 0 [pid 22742] close(3) = 0 [pid 22742] close(4) = 0 [pid 22742] close(5) = 0 [pid 22742] close(6) = -1 EBADF (Bad file descriptor) [pid 22742] close(7) = -1 EBADF (Bad file descriptor) [pid 22742] close(8) = -1 EBADF (Bad file descriptor) [pid 22742] close(9) = -1 EBADF (Bad file descriptor) [pid 22742] close(10) = -1 EBADF (Bad file descriptor) [pid 22742] close(11) = -1 EBADF (Bad file descriptor) [pid 22742] close(12) = -1 EBADF (Bad file descriptor) [pid 22742] close(13) = -1 EBADF (Bad file descriptor) [pid 22742] close(14) = -1 EBADF (Bad file descriptor) [pid 22742] close(15) = -1 EBADF (Bad file descriptor) [pid 22742] close(16) = -1 EBADF (Bad file descriptor) [pid 22742] close(17) = -1 EBADF (Bad file descriptor) [pid 22742] close(18) = -1 EBADF (Bad file descriptor) [pid 22742] close(19) = -1 EBADF (Bad file descriptor) [pid 22742] close(20) = -1 EBADF (Bad file descriptor) [pid 22742] close(21) = -1 EBADF (Bad file descriptor) [pid 22742] close(22) = -1 EBADF (Bad file descriptor) [pid 22742] close(23) = -1 EBADF (Bad file descriptor) [pid 22742] close(24) = -1 EBADF (Bad file descriptor) [pid 22742] close(25) = -1 EBADF (Bad file descriptor) [pid 22742] close(26) = -1 EBADF (Bad file descriptor) [pid 22742] close(27) = -1 EBADF (Bad file descriptor) [pid 22742] close(28) = -1 EBADF (Bad file descriptor) [pid 22742] close(29) = -1 EBADF (Bad file descriptor) [pid 22742] exit_group(0 [pid 22744] <... futex resumed>) = ? [pid 22743] <... futex resumed>) = ? [pid 22742] <... exit_group resumed>) = ? [pid 22744] +++ exited with 0 +++ [pid 22743] +++ exited with 0 +++ [pid 22742] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7714", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7714/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7714/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7714/cgroup.cpu") = 0 [pid 287] umount2("./7714/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7714/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7714/binderfs") = 0 [pid 287] umount2("./7714/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7714/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7714/cgroup") = 0 [pid 287] umount2("./7714/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7714/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7714/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7714") = 0 [pid 287] mkdir("./7715", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22745 attached [pid 22745] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22745] chdir("./7715") = 0 [pid 22745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22745] setpgid(0, 0) = 0 [pid 22745] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22332 [pid 22745] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22745] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22745] write(3, "1000", 4) = 4 [pid 22745] close(3) = 0 [pid 22745] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22745] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22745] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22745] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22746 attached [pid 22746] set_robust_list(0x7f3b956fb9a0, 24 [pid 22745] <... clone3 resumed> => {parent_tid=[22333]}, 88) = 22333 [pid 22746] <... set_robust_list resumed>) = 0 [pid 22745] rt_sigprocmask(SIG_SETMASK, [], [pid 22746] rt_sigprocmask(SIG_SETMASK, [], [pid 22745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22745] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22746] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22745] <... futex resumed>) = 0 [pid 22746] <... bpf resumed>) = 3 [pid 22745] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22746] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22746] <... futex resumed>) = 0 [pid 22745] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22746] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22745] <... futex resumed>) = 0 [pid 22746] <... bpf resumed>) = 4 [pid 22745] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22746] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22746] <... futex resumed>) = 0 [pid 22745] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22746] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22745] <... futex resumed>) = 0 [pid 22746] <... bpf resumed>) = 0 [pid 22745] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22746] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22745] <... futex resumed>) = 0 [pid 22746] <... futex resumed>) = 0 [pid 22745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22746] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22745] <... mmap resumed>) = 0x7f3b956ba000 [pid 22745] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22747 attached => {parent_tid=[22334]}, 88) = 22334 [pid 22747] set_robust_list(0x7f3b956da9a0, 24 [pid 22745] rt_sigprocmask(SIG_SETMASK, [], [pid 22747] <... set_robust_list resumed>) = 0 [pid 22745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22745] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22745] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22747] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22745] <... futex resumed>) = 0 [pid 22747] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22745] close(3) = 0 [pid 22745] close(4) = 0 [pid 22745] close(5) = 0 [pid 22745] close(6) = -1 EBADF (Bad file descriptor) [pid 22745] close(7) = -1 EBADF (Bad file descriptor) [pid 22745] close(8) = -1 EBADF (Bad file descriptor) [pid 22745] close(9) = -1 EBADF (Bad file descriptor) [pid 22745] close(10) = -1 EBADF (Bad file descriptor) [pid 22745] close(11) = -1 EBADF (Bad file descriptor) [pid 22745] close(12) = -1 EBADF (Bad file descriptor) [pid 22745] close(13) = -1 EBADF (Bad file descriptor) [pid 22745] close(14) = -1 EBADF (Bad file descriptor) [pid 22745] close(15) = -1 EBADF (Bad file descriptor) [pid 22745] close(16) = -1 EBADF (Bad file descriptor) [pid 22745] close(17) = -1 EBADF (Bad file descriptor) [pid 22745] close(18) = -1 EBADF (Bad file descriptor) [pid 22745] close(19) = -1 EBADF (Bad file descriptor) [pid 22745] close(20) = -1 EBADF (Bad file descriptor) [pid 22745] close(21) = -1 EBADF (Bad file descriptor) [pid 22745] close(22) = -1 EBADF (Bad file descriptor) [pid 22745] close(23) = -1 EBADF (Bad file descriptor) [pid 22745] close(24) = -1 EBADF (Bad file descriptor) [pid 22745] close(25) = -1 EBADF (Bad file descriptor) [pid 22745] close(26) = -1 EBADF (Bad file descriptor) [pid 22745] close(27) = -1 EBADF (Bad file descriptor) [pid 22745] close(28) = -1 EBADF (Bad file descriptor) [pid 22745] close(29) = -1 EBADF (Bad file descriptor) [pid 22745] exit_group(0 [pid 22747] <... futex resumed>) = ? [pid 22746] <... futex resumed>) = ? [pid 22745] <... exit_group resumed>) = ? [pid 22747] +++ exited with 0 +++ [pid 22746] +++ exited with 0 +++ [pid 22745] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7715", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7715/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7715/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7715/cgroup.cpu") = 0 [pid 287] umount2("./7715/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7715/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7715/binderfs") = 0 [pid 287] umount2("./7715/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7715/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7715/cgroup") = 0 [pid 287] umount2("./7715/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7715/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7715/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7715") = 0 [pid 287] mkdir("./7716", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22748 attached [pid 22748] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22335 [pid 22748] chdir("./7716") = 0 [pid 22748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22748] setpgid(0, 0) = 0 [pid 22748] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22748] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22748] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22748] write(3, "1000", 4) = 4 [pid 22748] close(3) = 0 [pid 22748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22748] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22748] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22748] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22749 attached [pid 22749] set_robust_list(0x7f3b956fb9a0, 24 [pid 22748] <... clone3 resumed> => {parent_tid=[22336]}, 88) = 22336 [pid 22749] <... set_robust_list resumed>) = 0 [pid 22748] rt_sigprocmask(SIG_SETMASK, [], [pid 22749] rt_sigprocmask(SIG_SETMASK, [], [pid 22748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22748] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22748] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22749] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22749] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22748] <... futex resumed>) = 0 [pid 22749] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22748] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22748] <... futex resumed>) = 0 [pid 22749] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22748] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22749] <... bpf resumed>) = 4 [pid 22749] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22748] <... futex resumed>) = 0 [pid 22749] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22748] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22749] <... bpf resumed>) = 0 [pid 22748] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22749] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22748] <... futex resumed>) = 0 [pid 22749] <... futex resumed>) = 0 [pid 22748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22749] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22748] <... mmap resumed>) = 0x7f3b956ba000 [pid 22748] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22750 attached [pid 22750] set_robust_list(0x7f3b956da9a0, 24 [pid 22748] <... clone3 resumed> => {parent_tid=[22337]}, 88) = 22337 [pid 22750] <... set_robust_list resumed>) = 0 [pid 22748] rt_sigprocmask(SIG_SETMASK, [], [pid 22750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22750] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22748] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22750] <... futex resumed>) = 0 [pid 22748] <... futex resumed>) = 1 [pid 22750] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22748] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22750] <... bpf resumed>) = 5 [pid 22750] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22748] <... futex resumed>) = 0 [pid 22750] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22748] close(3) = 0 [pid 22748] close(4) = 0 [pid 22748] close(5) = 0 [pid 22748] close(6) = -1 EBADF (Bad file descriptor) [pid 22748] close(7) = -1 EBADF (Bad file descriptor) [pid 22748] close(8) = -1 EBADF (Bad file descriptor) [pid 22748] close(9) = -1 EBADF (Bad file descriptor) [pid 22748] close(10) = -1 EBADF (Bad file descriptor) [pid 22748] close(11) = -1 EBADF (Bad file descriptor) [pid 22748] close(12) = -1 EBADF (Bad file descriptor) [pid 22748] close(13) = -1 EBADF (Bad file descriptor) [pid 22748] close(14) = -1 EBADF (Bad file descriptor) [pid 22748] close(15) = -1 EBADF (Bad file descriptor) [pid 22748] close(16) = -1 EBADF (Bad file descriptor) [pid 22748] close(17) = -1 EBADF (Bad file descriptor) [pid 22748] close(18) = -1 EBADF (Bad file descriptor) [pid 22748] close(19) = -1 EBADF (Bad file descriptor) [pid 22748] close(20) = -1 EBADF (Bad file descriptor) [pid 22748] close(21) = -1 EBADF (Bad file descriptor) [pid 22748] close(22) = -1 EBADF (Bad file descriptor) [pid 22748] close(23) = -1 EBADF (Bad file descriptor) [pid 22748] close(24) = -1 EBADF (Bad file descriptor) [pid 22748] close(25) = -1 EBADF (Bad file descriptor) [pid 22748] close(26) = -1 EBADF (Bad file descriptor) [pid 22748] close(27) = -1 EBADF (Bad file descriptor) [pid 22748] close(28) = -1 EBADF (Bad file descriptor) [pid 22748] close(29) = -1 EBADF (Bad file descriptor) [pid 22748] exit_group(0 [pid 22750] <... futex resumed>) = ? [pid 22749] <... futex resumed>) = ? [pid 22748] <... exit_group resumed>) = ? [pid 22750] +++ exited with 0 +++ [pid 22749] +++ exited with 0 +++ [pid 22748] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7716", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7716/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7716/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7716/cgroup.cpu") = 0 [pid 287] umount2("./7716/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7716/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7716/binderfs") = 0 [pid 287] umount2("./7716/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7716/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7716/cgroup") = 0 [pid 287] umount2("./7716/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7716/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7716/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7716") = 0 [pid 287] mkdir("./7717", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22751 attached [pid 22751] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22751] chdir("./7717" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22338 [pid 22751] <... chdir resumed>) = 0 [pid 22751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22751] setpgid(0, 0) = 0 [pid 22751] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22751] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22751] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22751] write(3, "1000", 4) = 4 [pid 22751] close(3) = 0 [pid 22751] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22751] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22751] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22751] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22751] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22752 attached [pid 22752] set_robust_list(0x7f3b956fb9a0, 24 [pid 22751] <... clone3 resumed> => {parent_tid=[22339]}, 88) = 22339 [pid 22752] <... set_robust_list resumed>) = 0 [pid 22751] rt_sigprocmask(SIG_SETMASK, [], [pid 22752] rt_sigprocmask(SIG_SETMASK, [], [pid 22751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22751] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22751] <... futex resumed>) = 0 [pid 22752] <... bpf resumed>) = 3 [pid 22751] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22752] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22752] <... futex resumed>) = 0 [pid 22751] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22752] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22751] <... futex resumed>) = 0 [pid 22752] <... bpf resumed>) = 4 [pid 22751] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22752] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22752] <... futex resumed>) = 0 [pid 22751] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22752] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22751] <... futex resumed>) = 0 [pid 22752] <... bpf resumed>) = 0 [pid 22751] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22752] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22751] <... futex resumed>) = 0 [pid 22752] <... futex resumed>) = 0 [pid 22751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22752] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22751] <... mmap resumed>) = 0x7f3b956ba000 [pid 22751] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22751] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22753 attached [pid 22753] set_robust_list(0x7f3b956da9a0, 24 [pid 22751] <... clone3 resumed> => {parent_tid=[22340]}, 88) = 22340 [pid 22753] <... set_robust_list resumed>) = 0 [pid 22751] rt_sigprocmask(SIG_SETMASK, [], [pid 22753] rt_sigprocmask(SIG_SETMASK, [], [pid 22751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22751] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22751] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22753] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22751] <... futex resumed>) = 0 [pid 22753] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22751] close(3) = 0 [pid 22751] close(4) = 0 [pid 22751] close(5) = 0 [pid 22751] close(6) = -1 EBADF (Bad file descriptor) [pid 22751] close(7) = -1 EBADF (Bad file descriptor) [pid 22751] close(8) = -1 EBADF (Bad file descriptor) [pid 22751] close(9) = -1 EBADF (Bad file descriptor) [pid 22751] close(10) = -1 EBADF (Bad file descriptor) [pid 22751] close(11) = -1 EBADF (Bad file descriptor) [pid 22751] close(12) = -1 EBADF (Bad file descriptor) [pid 22751] close(13) = -1 EBADF (Bad file descriptor) [pid 22751] close(14) = -1 EBADF (Bad file descriptor) [pid 22751] close(15) = -1 EBADF (Bad file descriptor) [pid 22751] close(16) = -1 EBADF (Bad file descriptor) [pid 22751] close(17) = -1 EBADF (Bad file descriptor) [pid 22751] close(18) = -1 EBADF (Bad file descriptor) [pid 22751] close(19) = -1 EBADF (Bad file descriptor) [pid 22751] close(20) = -1 EBADF (Bad file descriptor) [pid 22751] close(21) = -1 EBADF (Bad file descriptor) [pid 22751] close(22) = -1 EBADF (Bad file descriptor) [pid 22751] close(23) = -1 EBADF (Bad file descriptor) [pid 22751] close(24) = -1 EBADF (Bad file descriptor) [pid 22751] close(25) = -1 EBADF (Bad file descriptor) [pid 22751] close(26) = -1 EBADF (Bad file descriptor) [pid 22751] close(27) = -1 EBADF (Bad file descriptor) [pid 22751] close(28) = -1 EBADF (Bad file descriptor) [pid 22751] close(29) = -1 EBADF (Bad file descriptor) [pid 22751] exit_group(0 [pid 22753] <... futex resumed>) = ? [pid 22752] <... futex resumed>) = ? [pid 22751] <... exit_group resumed>) = ? [pid 22753] +++ exited with 0 +++ [pid 22752] +++ exited with 0 +++ [pid 22751] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7717", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7717/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7717/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7717/cgroup.cpu") = 0 [pid 287] umount2("./7717/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7717/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7717/binderfs") = 0 [pid 287] umount2("./7717/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7717/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7717/cgroup") = 0 [pid 287] umount2("./7717/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7717/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7717/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7717") = 0 [pid 287] mkdir("./7718", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22754 attached [pid 22754] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22341 [pid 22754] chdir("./7718") = 0 [pid 22754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22754] setpgid(0, 0) = 0 [pid 22754] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22754] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22754] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22754] write(3, "1000", 4) = 4 [pid 22754] close(3) = 0 [pid 22754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22754] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22754] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22754] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22754] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22755 attached [pid 22755] set_robust_list(0x7f3b956fb9a0, 24 [pid 22754] <... clone3 resumed> => {parent_tid=[22342]}, 88) = 22342 [pid 22755] <... set_robust_list resumed>) = 0 [pid 22754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22754] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22755] rt_sigprocmask(SIG_SETMASK, [], [pid 22754] <... futex resumed>) = 0 [pid 22755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22754] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22755] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22755] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22754] <... futex resumed>) = 0 [pid 22754] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22755] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22754] <... futex resumed>) = 0 [pid 22754] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22755] <... bpf resumed>) = 4 [pid 22755] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22754] <... futex resumed>) = 0 [pid 22755] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22754] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22754] <... futex resumed>) = 0 [pid 22755] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22754] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22755] <... bpf resumed>) = 0 [pid 22754] <... futex resumed>) = 0 [pid 22754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22755] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22754] <... mmap resumed>) = 0x7f3b956ba000 [pid 22755] <... futex resumed>) = 0 [pid 22754] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22755] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22754] <... mprotect resumed>) = 0 [pid 22754] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22756 attached [pid 22756] set_robust_list(0x7f3b956da9a0, 24 [pid 22754] <... clone3 resumed> => {parent_tid=[22343]}, 88) = 22343 [pid 22756] <... set_robust_list resumed>) = 0 [pid 22754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22756] rt_sigprocmask(SIG_SETMASK, [], [pid 22754] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22756] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22754] <... futex resumed>) = 0 [pid 22754] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22756] <... bpf resumed>) = 5 [pid 22756] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22756] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22754] <... futex resumed>) = 0 [pid 22754] close(3) = 0 [pid 22754] close(4) = 0 [pid 22754] close(5) = 0 [pid 22754] close(6) = -1 EBADF (Bad file descriptor) [pid 22754] close(7) = -1 EBADF (Bad file descriptor) [pid 22754] close(8) = -1 EBADF (Bad file descriptor) [pid 22754] close(9) = -1 EBADF (Bad file descriptor) [pid 22754] close(10) = -1 EBADF (Bad file descriptor) [pid 22754] close(11) = -1 EBADF (Bad file descriptor) [pid 22754] close(12) = -1 EBADF (Bad file descriptor) [pid 22754] close(13) = -1 EBADF (Bad file descriptor) [pid 22754] close(14) = -1 EBADF (Bad file descriptor) [pid 22754] close(15) = -1 EBADF (Bad file descriptor) [pid 22754] close(16) = -1 EBADF (Bad file descriptor) [pid 22754] close(17) = -1 EBADF (Bad file descriptor) [pid 22754] close(18) = -1 EBADF (Bad file descriptor) [pid 22754] close(19) = -1 EBADF (Bad file descriptor) [pid 22754] close(20) = -1 EBADF (Bad file descriptor) [pid 22754] close(21) = -1 EBADF (Bad file descriptor) [pid 22754] close(22) = -1 EBADF (Bad file descriptor) [pid 22754] close(23) = -1 EBADF (Bad file descriptor) [pid 22754] close(24) = -1 EBADF (Bad file descriptor) [pid 22754] close(25) = -1 EBADF (Bad file descriptor) [pid 22754] close(26) = -1 EBADF (Bad file descriptor) [pid 22754] close(27) = -1 EBADF (Bad file descriptor) [pid 22754] close(28) = -1 EBADF (Bad file descriptor) [pid 22754] close(29) = -1 EBADF (Bad file descriptor) [pid 22754] exit_group(0 [pid 22756] <... futex resumed>) = ? [pid 22755] <... futex resumed>) = ? [pid 22754] <... exit_group resumed>) = ? [pid 22756] +++ exited with 0 +++ [pid 22755] +++ exited with 0 +++ [pid 22754] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7718", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7718/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7718/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7718/cgroup.cpu") = 0 [pid 287] umount2("./7718/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7718/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7718/binderfs") = 0 [pid 287] umount2("./7718/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7718/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7718/cgroup") = 0 [pid 287] umount2("./7718/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7718/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7718/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7718") = 0 [pid 287] mkdir("./7719", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22344 ./strace-static-x86_64: Process 22757 attached [pid 22757] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22757] chdir("./7719") = 0 [pid 22757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22757] setpgid(0, 0) = 0 [pid 22757] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22757] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22757] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22757] write(3, "1000", 4) = 4 [pid 22757] close(3) = 0 [pid 22757] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22757] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22757] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22757] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22757] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22345]}, 88) = 22345 ./strace-static-x86_64: Process 22758 attached [pid 22758] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22757] rt_sigprocmask(SIG_SETMASK, [], [pid 22758] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22757] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22757] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22758] <... futex resumed>) = 0 [pid 22758] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22758] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22757] <... futex resumed>) = 0 [pid 22758] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22757] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22757] <... futex resumed>) = 0 [pid 22758] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22757] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22758] <... bpf resumed>) = 4 [pid 22758] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22757] <... futex resumed>) = 0 [pid 22758] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22757] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22757] <... futex resumed>) = 0 [pid 22758] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22757] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22758] <... bpf resumed>) = 0 [pid 22757] <... futex resumed>) = 0 [pid 22758] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22758] <... futex resumed>) = 0 [pid 22757] <... mmap resumed>) = 0x7f3b956ba000 [pid 22758] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22757] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22757] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22759 attached [pid 22759] set_robust_list(0x7f3b956da9a0, 24 [pid 22757] <... clone3 resumed> => {parent_tid=[22346]}, 88) = 22346 [pid 22759] <... set_robust_list resumed>) = 0 [pid 22757] rt_sigprocmask(SIG_SETMASK, [], [pid 22759] rt_sigprocmask(SIG_SETMASK, [], [pid 22757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22757] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22757] <... futex resumed>) = 0 [pid 22757] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22759] <... bpf resumed>) = 5 [pid 22759] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22757] <... futex resumed>) = 0 [pid 22759] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22757] close(3) = 0 [pid 22757] close(4) = 0 [pid 22757] close(5) = 0 [pid 22757] close(6) = -1 EBADF (Bad file descriptor) [pid 22757] close(7) = -1 EBADF (Bad file descriptor) [pid 22757] close(8) = -1 EBADF (Bad file descriptor) [pid 22757] close(9) = -1 EBADF (Bad file descriptor) [pid 22757] close(10) = -1 EBADF (Bad file descriptor) [pid 22757] close(11) = -1 EBADF (Bad file descriptor) [pid 22757] close(12) = -1 EBADF (Bad file descriptor) [pid 22757] close(13) = -1 EBADF (Bad file descriptor) [pid 22757] close(14) = -1 EBADF (Bad file descriptor) [pid 22757] close(15) = -1 EBADF (Bad file descriptor) [pid 22757] close(16) = -1 EBADF (Bad file descriptor) [pid 22757] close(17) = -1 EBADF (Bad file descriptor) [pid 22757] close(18) = -1 EBADF (Bad file descriptor) [pid 22757] close(19) = -1 EBADF (Bad file descriptor) [pid 22757] close(20) = -1 EBADF (Bad file descriptor) [pid 22757] close(21) = -1 EBADF (Bad file descriptor) [pid 22757] close(22) = -1 EBADF (Bad file descriptor) [pid 22757] close(23) = -1 EBADF (Bad file descriptor) [pid 22757] close(24) = -1 EBADF (Bad file descriptor) [pid 22757] close(25) = -1 EBADF (Bad file descriptor) [pid 22757] close(26) = -1 EBADF (Bad file descriptor) [pid 22757] close(27) = -1 EBADF (Bad file descriptor) [pid 22757] close(28) = -1 EBADF (Bad file descriptor) [pid 22757] close(29) = -1 EBADF (Bad file descriptor) [pid 22757] exit_group(0 [pid 22759] <... futex resumed>) = ? [pid 22758] <... futex resumed>) = ? [pid 22757] <... exit_group resumed>) = ? [pid 22759] +++ exited with 0 +++ [pid 22758] +++ exited with 0 +++ [pid 22757] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7719", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7719/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7719/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7719/cgroup.cpu") = 0 [pid 287] umount2("./7719/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7719/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7719/binderfs") = 0 [pid 287] umount2("./7719/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7719/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7719/cgroup") = 0 [pid 287] umount2("./7719/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7719/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7719/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7719") = 0 [pid 287] mkdir("./7720", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22760 attached [pid 22760] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22347 [pid 22760] chdir("./7720") = 0 [pid 22760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22760] setpgid(0, 0) = 0 [pid 22760] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22760] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22760] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22760] write(3, "1000", 4) = 4 [pid 22760] close(3) = 0 [pid 22760] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22760] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22760] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22760] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22760] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22761 attached [pid 22761] set_robust_list(0x7f3b956fb9a0, 24 [pid 22760] <... clone3 resumed> => {parent_tid=[22348]}, 88) = 22348 [pid 22760] rt_sigprocmask(SIG_SETMASK, [], [pid 22761] <... set_robust_list resumed>) = 0 [pid 22760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22761] rt_sigprocmask(SIG_SETMASK, [], [pid 22760] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22760] <... futex resumed>) = 0 [pid 22760] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22761] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22761] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22760] <... futex resumed>) = 0 [pid 22761] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22760] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22760] <... futex resumed>) = 0 [pid 22761] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22760] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22761] <... bpf resumed>) = 4 [pid 22761] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22760] <... futex resumed>) = 0 [pid 22760] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22761] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22760] <... futex resumed>) = 0 [pid 22761] <... bpf resumed>) = 0 [pid 22760] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22761] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22760] <... futex resumed>) = 0 [pid 22760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22760] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22761] <... futex resumed>) = 0 [pid 22760] <... mprotect resumed>) = 0 [pid 22761] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22760] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22762 attached [pid 22762] set_robust_list(0x7f3b956da9a0, 24 [pid 22760] <... clone3 resumed> => {parent_tid=[22349]}, 88) = 22349 [pid 22762] <... set_robust_list resumed>) = 0 [pid 22760] rt_sigprocmask(SIG_SETMASK, [], [pid 22762] rt_sigprocmask(SIG_SETMASK, [], [pid 22760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22762] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22760] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22760] <... futex resumed>) = 0 [pid 22762] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22760] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22762] <... bpf resumed>) = 5 [pid 22762] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22760] <... futex resumed>) = 0 [pid 22762] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22760] close(3) = 0 [pid 22760] close(4) = 0 [pid 22760] close(5) = 0 [pid 22760] close(6) = -1 EBADF (Bad file descriptor) [pid 22760] close(7) = -1 EBADF (Bad file descriptor) [pid 22760] close(8) = -1 EBADF (Bad file descriptor) [pid 22760] close(9) = -1 EBADF (Bad file descriptor) [pid 22760] close(10) = -1 EBADF (Bad file descriptor) [pid 22760] close(11) = -1 EBADF (Bad file descriptor) [pid 22760] close(12) = -1 EBADF (Bad file descriptor) [pid 22760] close(13) = -1 EBADF (Bad file descriptor) [pid 22760] close(14) = -1 EBADF (Bad file descriptor) [pid 22760] close(15) = -1 EBADF (Bad file descriptor) [pid 22760] close(16) = -1 EBADF (Bad file descriptor) [pid 22760] close(17) = -1 EBADF (Bad file descriptor) [pid 22760] close(18) = -1 EBADF (Bad file descriptor) [pid 22760] close(19) = -1 EBADF (Bad file descriptor) [pid 22760] close(20) = -1 EBADF (Bad file descriptor) [pid 22760] close(21) = -1 EBADF (Bad file descriptor) [pid 22760] close(22) = -1 EBADF (Bad file descriptor) [pid 22760] close(23) = -1 EBADF (Bad file descriptor) [pid 22760] close(24) = -1 EBADF (Bad file descriptor) [pid 22760] close(25) = -1 EBADF (Bad file descriptor) [pid 22760] close(26) = -1 EBADF (Bad file descriptor) [pid 22760] close(27) = -1 EBADF (Bad file descriptor) [pid 22760] close(28) = -1 EBADF (Bad file descriptor) [pid 22760] close(29) = -1 EBADF (Bad file descriptor) [pid 22760] exit_group(0 [pid 22762] <... futex resumed>) = ? [pid 22761] <... futex resumed>) = ? [pid 22760] <... exit_group resumed>) = ? [pid 22762] +++ exited with 0 +++ [pid 22761] +++ exited with 0 +++ [pid 22760] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7720", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7720/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7720/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7720/cgroup.cpu") = 0 [pid 287] umount2("./7720/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7720/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7720/binderfs") = 0 [pid 287] umount2("./7720/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7720/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7720/cgroup") = 0 [pid 287] umount2("./7720/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7720/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7720/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7720") = 0 [pid 287] mkdir("./7721", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22763 attached [pid 22763] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22763] chdir("./7721") = 0 [pid 22763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22763] setpgid(0, 0) = 0 [pid 22763] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22350 [pid 22763] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22763] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22763] write(3, "1000", 4) = 4 [pid 22763] close(3) = 0 [pid 22763] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22763] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22763] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22763] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22763] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22764 attached => {parent_tid=[22351]}, 88) = 22351 [pid 22764] set_robust_list(0x7f3b956fb9a0, 24 [pid 22763] rt_sigprocmask(SIG_SETMASK, [], [pid 22764] <... set_robust_list resumed>) = 0 [pid 22763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22764] rt_sigprocmask(SIG_SETMASK, [], [pid 22763] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22763] <... futex resumed>) = 0 [pid 22763] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22764] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22764] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22763] <... futex resumed>) = 0 [pid 22764] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22763] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22763] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22764] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22764] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22763] <... futex resumed>) = 0 [pid 22764] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22763] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22764] <... bpf resumed>) = 0 [pid 22763] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22764] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22763] <... futex resumed>) = 0 [pid 22764] <... futex resumed>) = 0 [pid 22763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22764] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22763] <... mmap resumed>) = 0x7f3b956ba000 [pid 22763] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22763] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22765 attached => {parent_tid=[22352]}, 88) = 22352 [pid 22765] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22763] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22765] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22763] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22765] <... bpf resumed>) = 5 [pid 22765] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22763] <... futex resumed>) = 0 [pid 22765] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22763] close(3) = 0 [pid 22763] close(4) = 0 [pid 22763] close(5) = 0 [pid 22763] close(6) = -1 EBADF (Bad file descriptor) [pid 22763] close(7) = -1 EBADF (Bad file descriptor) [pid 22763] close(8) = -1 EBADF (Bad file descriptor) [pid 22763] close(9) = -1 EBADF (Bad file descriptor) [pid 22763] close(10) = -1 EBADF (Bad file descriptor) [pid 22763] close(11) = -1 EBADF (Bad file descriptor) [pid 22763] close(12) = -1 EBADF (Bad file descriptor) [pid 22763] close(13) = -1 EBADF (Bad file descriptor) [pid 22763] close(14) = -1 EBADF (Bad file descriptor) [pid 22763] close(15) = -1 EBADF (Bad file descriptor) [pid 22763] close(16) = -1 EBADF (Bad file descriptor) [pid 22763] close(17) = -1 EBADF (Bad file descriptor) [pid 22763] close(18) = -1 EBADF (Bad file descriptor) [pid 22763] close(19) = -1 EBADF (Bad file descriptor) [pid 22763] close(20) = -1 EBADF (Bad file descriptor) [pid 22763] close(21) = -1 EBADF (Bad file descriptor) [pid 22763] close(22) = -1 EBADF (Bad file descriptor) [pid 22763] close(23) = -1 EBADF (Bad file descriptor) [pid 22763] close(24) = -1 EBADF (Bad file descriptor) [pid 22763] close(25) = -1 EBADF (Bad file descriptor) [pid 22763] close(26) = -1 EBADF (Bad file descriptor) [pid 22763] close(27) = -1 EBADF (Bad file descriptor) [pid 22763] close(28) = -1 EBADF (Bad file descriptor) [pid 22763] close(29) = -1 EBADF (Bad file descriptor) [pid 22763] exit_group(0 [pid 22765] <... futex resumed>) = ? [pid 22764] <... futex resumed>) = ? [pid 22763] <... exit_group resumed>) = ? [pid 22764] +++ exited with 0 +++ [pid 22765] +++ exited with 0 +++ [pid 22763] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7721", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7721/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7721/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7721/cgroup.cpu") = 0 [pid 287] umount2("./7721/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7721/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7721/binderfs") = 0 [pid 287] umount2("./7721/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7721/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7721/cgroup") = 0 [pid 287] umount2("./7721/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7721/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7721/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7721") = 0 [pid 287] mkdir("./7722", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22353 ./strace-static-x86_64: Process 22766 attached [pid 22766] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22766] chdir("./7722") = 0 [pid 22766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22766] setpgid(0, 0) = 0 [pid 22766] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22766] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22766] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22766] write(3, "1000", 4) = 4 [pid 22766] close(3) = 0 [pid 22766] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22766] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22766] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22766] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22766] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22354]}, 88) = 22354 ./strace-static-x86_64: Process 22767 attached [pid 22767] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22766] rt_sigprocmask(SIG_SETMASK, [], [pid 22767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22767] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22766] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22767] <... futex resumed>) = 0 [pid 22766] <... futex resumed>) = 1 [pid 22766] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22767] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22767] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22766] <... futex resumed>) = 0 [pid 22767] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22766] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22766] <... futex resumed>) = 0 [pid 22767] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22766] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22767] <... bpf resumed>) = 4 [pid 22767] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22766] <... futex resumed>) = 0 [pid 22767] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22766] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22766] <... futex resumed>) = 0 [pid 22767] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22766] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22767] <... bpf resumed>) = 0 [pid 22766] <... futex resumed>) = 0 [pid 22767] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22767] <... futex resumed>) = 0 [pid 22767] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22766] <... mmap resumed>) = 0x7f3b956ba000 [pid 22766] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22766] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22768 attached [pid 22768] set_robust_list(0x7f3b956da9a0, 24 [pid 22766] <... clone3 resumed> => {parent_tid=[22355]}, 88) = 22355 [pid 22768] <... set_robust_list resumed>) = 0 [pid 22766] rt_sigprocmask(SIG_SETMASK, [], [pid 22768] rt_sigprocmask(SIG_SETMASK, [], [pid 22766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22766] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22766] <... futex resumed>) = 0 [pid 22768] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22766] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22768] <... bpf resumed>) = 5 [pid 22768] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22766] <... futex resumed>) = 0 [pid 22768] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22766] close(3) = 0 [pid 22766] close(4) = 0 [pid 22766] close(5) = 0 [pid 22766] close(6) = -1 EBADF (Bad file descriptor) [pid 22766] close(7) = -1 EBADF (Bad file descriptor) [pid 22766] close(8) = -1 EBADF (Bad file descriptor) [pid 22766] close(9) = -1 EBADF (Bad file descriptor) [pid 22766] close(10) = -1 EBADF (Bad file descriptor) [pid 22766] close(11) = -1 EBADF (Bad file descriptor) [pid 22766] close(12) = -1 EBADF (Bad file descriptor) [pid 22766] close(13) = -1 EBADF (Bad file descriptor) [pid 22766] close(14) = -1 EBADF (Bad file descriptor) [pid 22766] close(15) = -1 EBADF (Bad file descriptor) [pid 22766] close(16) = -1 EBADF (Bad file descriptor) [pid 22766] close(17) = -1 EBADF (Bad file descriptor) [pid 22766] close(18) = -1 EBADF (Bad file descriptor) [pid 22766] close(19) = -1 EBADF (Bad file descriptor) [pid 22766] close(20) = -1 EBADF (Bad file descriptor) [pid 22766] close(21) = -1 EBADF (Bad file descriptor) [pid 22766] close(22) = -1 EBADF (Bad file descriptor) [pid 22766] close(23) = -1 EBADF (Bad file descriptor) [pid 22766] close(24) = -1 EBADF (Bad file descriptor) [pid 22766] close(25) = -1 EBADF (Bad file descriptor) [pid 22766] close(26) = -1 EBADF (Bad file descriptor) [pid 22766] close(27) = -1 EBADF (Bad file descriptor) [pid 22766] close(28) = -1 EBADF (Bad file descriptor) [pid 22766] close(29) = -1 EBADF (Bad file descriptor) [pid 22766] exit_group(0) = ? [pid 22767] <... futex resumed>) = 231 [pid 22768] <... futex resumed>) = ? [pid 22768] +++ exited with 0 +++ [pid 22767] +++ exited with 0 +++ [pid 22766] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7722", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7722/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7722/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7722/cgroup.cpu") = 0 [pid 287] umount2("./7722/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7722/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7722/binderfs") = 0 [pid 287] umount2("./7722/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7722/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7722/cgroup") = 0 [pid 287] umount2("./7722/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7722/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7722/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7722") = 0 [pid 287] mkdir("./7723", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22769 attached [pid 22769] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22356 [pid 22769] chdir("./7723") = 0 [pid 22769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22769] setpgid(0, 0) = 0 [pid 22769] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22769] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22769] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22769] write(3, "1000", 4) = 4 [pid 22769] close(3) = 0 [pid 22769] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22769] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22769] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22769] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22769] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22770 attached [pid 22770] set_robust_list(0x7f3b956fb9a0, 24 [pid 22769] <... clone3 resumed> => {parent_tid=[22357]}, 88) = 22357 [pid 22770] <... set_robust_list resumed>) = 0 [pid 22770] rt_sigprocmask(SIG_SETMASK, [], [pid 22769] rt_sigprocmask(SIG_SETMASK, [], [pid 22770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22770] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22769] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22770] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22769] <... futex resumed>) = 0 [pid 22769] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22770] <... bpf resumed>) = 3 [pid 22770] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22769] <... futex resumed>) = 0 [pid 22770] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22769] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22770] <... bpf resumed>) = 4 [pid 22770] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22769] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22770] <... futex resumed>) = 0 [pid 22769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22770] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22769] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22769] <... futex resumed>) = 0 [pid 22770] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22769] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22770] <... bpf resumed>) = 0 [pid 22769] <... futex resumed>) = 0 [pid 22770] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22770] <... futex resumed>) = 0 [pid 22769] <... mmap resumed>) = 0x7f3b956ba000 [pid 22770] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22769] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22769] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22771 attached => {parent_tid=[22358]}, 88) = 22358 [pid 22771] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22769] rt_sigprocmask(SIG_SETMASK, [], [pid 22771] rt_sigprocmask(SIG_SETMASK, [], [pid 22769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22771] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22769] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22771] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22769] <... futex resumed>) = 0 [pid 22769] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22771] <... bpf resumed>) = 5 [pid 22771] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22769] <... futex resumed>) = 0 [pid 22771] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22769] close(3) = 0 [pid 22769] close(4) = 0 [pid 22769] close(5) = 0 [pid 22769] close(6) = -1 EBADF (Bad file descriptor) [pid 22769] close(7) = -1 EBADF (Bad file descriptor) [pid 22769] close(8) = -1 EBADF (Bad file descriptor) [pid 22769] close(9) = -1 EBADF (Bad file descriptor) [pid 22769] close(10) = -1 EBADF (Bad file descriptor) [pid 22769] close(11) = -1 EBADF (Bad file descriptor) [pid 22769] close(12) = -1 EBADF (Bad file descriptor) [pid 22769] close(13) = -1 EBADF (Bad file descriptor) [pid 22769] close(14) = -1 EBADF (Bad file descriptor) [pid 22769] close(15) = -1 EBADF (Bad file descriptor) [pid 22769] close(16) = -1 EBADF (Bad file descriptor) [pid 22769] close(17) = -1 EBADF (Bad file descriptor) [pid 22769] close(18) = -1 EBADF (Bad file descriptor) [pid 22769] close(19) = -1 EBADF (Bad file descriptor) [pid 22769] close(20) = -1 EBADF (Bad file descriptor) [pid 22769] close(21) = -1 EBADF (Bad file descriptor) [pid 22769] close(22) = -1 EBADF (Bad file descriptor) [pid 22769] close(23) = -1 EBADF (Bad file descriptor) [pid 22769] close(24) = -1 EBADF (Bad file descriptor) [pid 22769] close(25) = -1 EBADF (Bad file descriptor) [pid 22769] close(26) = -1 EBADF (Bad file descriptor) [pid 22769] close(27) = -1 EBADF (Bad file descriptor) [pid 22769] close(28) = -1 EBADF (Bad file descriptor) [pid 22769] close(29) = -1 EBADF (Bad file descriptor) [pid 22769] exit_group(0) = ? [pid 22770] <... futex resumed>) = ? [pid 22771] <... futex resumed>) = ? [pid 22770] +++ exited with 0 +++ [pid 22771] +++ exited with 0 +++ [pid 22769] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7723", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7723/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7723/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7723/cgroup.cpu") = 0 [pid 287] umount2("./7723/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7723/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7723/binderfs") = 0 [pid 287] umount2("./7723/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7723/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7723/cgroup") = 0 [pid 287] umount2("./7723/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7723/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7723/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7723") = 0 [pid 287] mkdir("./7724", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22772 attached [pid 22772] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22772] chdir("./7724") = 0 [pid 22772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22772] setpgid(0, 0) = 0 [pid 22772] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22359 [pid 22772] <... symlink resumed>) = 0 [pid 22772] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22772] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22772] write(3, "1000", 4) = 4 [pid 22772] close(3) = 0 [pid 22772] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22772] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22772] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22772] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22772] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22773 attached [pid 22773] set_robust_list(0x7f3b956fb9a0, 24 [pid 22772] <... clone3 resumed> => {parent_tid=[22360]}, 88) = 22360 [pid 22773] <... set_robust_list resumed>) = 0 [pid 22772] rt_sigprocmask(SIG_SETMASK, [], [pid 22773] rt_sigprocmask(SIG_SETMASK, [], [pid 22772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22772] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22773] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22772] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22773] <... bpf resumed>) = 3 [pid 22773] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22772] <... futex resumed>) = 0 [pid 22772] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22772] <... futex resumed>) = 0 [pid 22772] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22773] <... bpf resumed>) = 4 [pid 22773] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22772] <... futex resumed>) = 0 [pid 22773] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22772] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22772] <... futex resumed>) = 0 [pid 22773] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22772] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22773] <... bpf resumed>) = 0 [pid 22772] <... futex resumed>) = 0 [pid 22773] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22773] <... futex resumed>) = 0 [pid 22772] <... mmap resumed>) = 0x7f3b956ba000 [pid 22773] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22772] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22772] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22774 attached => {parent_tid=[22361]}, 88) = 22361 [pid 22774] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22772] rt_sigprocmask(SIG_SETMASK, [], [pid 22774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22774] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22772] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22774] <... futex resumed>) = 0 [pid 22774] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22772] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22774] <... bpf resumed>) = 5 [pid 22774] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22772] <... futex resumed>) = 0 [pid 22774] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22772] close(3) = 0 [pid 22772] close(4) = 0 [pid 22772] close(5) = 0 [pid 22772] close(6) = -1 EBADF (Bad file descriptor) [pid 22772] close(7) = -1 EBADF (Bad file descriptor) [pid 22772] close(8) = -1 EBADF (Bad file descriptor) [pid 22772] close(9) = -1 EBADF (Bad file descriptor) [pid 22772] close(10) = -1 EBADF (Bad file descriptor) [pid 22772] close(11) = -1 EBADF (Bad file descriptor) [pid 22772] close(12) = -1 EBADF (Bad file descriptor) [pid 22772] close(13) = -1 EBADF (Bad file descriptor) [pid 22772] close(14) = -1 EBADF (Bad file descriptor) [pid 22772] close(15) = -1 EBADF (Bad file descriptor) [pid 22772] close(16) = -1 EBADF (Bad file descriptor) [pid 22772] close(17) = -1 EBADF (Bad file descriptor) [pid 22772] close(18) = -1 EBADF (Bad file descriptor) [pid 22772] close(19) = -1 EBADF (Bad file descriptor) [pid 22772] close(20) = -1 EBADF (Bad file descriptor) [pid 22772] close(21) = -1 EBADF (Bad file descriptor) [pid 22772] close(22) = -1 EBADF (Bad file descriptor) [pid 22772] close(23) = -1 EBADF (Bad file descriptor) [pid 22772] close(24) = -1 EBADF (Bad file descriptor) [pid 22772] close(25) = -1 EBADF (Bad file descriptor) [pid 22772] close(26) = -1 EBADF (Bad file descriptor) [pid 22772] close(27) = -1 EBADF (Bad file descriptor) [pid 22772] close(28) = -1 EBADF (Bad file descriptor) [pid 22772] close(29) = -1 EBADF (Bad file descriptor) [pid 22772] exit_group(0) = ? [pid 22773] <... futex resumed>) = ? [pid 22774] <... futex resumed>) = ? [pid 22774] +++ exited with 0 +++ [pid 22773] +++ exited with 0 +++ [pid 22772] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7724", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7724/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7724/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7724/cgroup.cpu") = 0 [pid 287] umount2("./7724/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7724/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7724/binderfs") = 0 [pid 287] umount2("./7724/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7724/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7724/cgroup") = 0 [pid 287] umount2("./7724/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7724/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7724/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7724") = 0 [pid 287] mkdir("./7725", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22775 attached [pid 22775] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22775] chdir("./7725") = 0 [pid 22775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22362 [pid 22775] <... prctl resumed>) = 0 [pid 22775] setpgid(0, 0) = 0 [pid 22775] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22775] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22775] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22775] write(3, "1000", 4) = 4 [pid 22775] close(3) = 0 [pid 22775] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22775] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22775] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22775] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22776 attached [pid 22776] set_robust_list(0x7f3b956fb9a0, 24 [pid 22775] <... clone3 resumed> => {parent_tid=[22363]}, 88) = 22363 [pid 22776] <... set_robust_list resumed>) = 0 [pid 22775] rt_sigprocmask(SIG_SETMASK, [], [pid 22776] rt_sigprocmask(SIG_SETMASK, [], [pid 22775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22775] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22776] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22775] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22776] <... bpf resumed>) = 3 [pid 22776] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22775] <... futex resumed>) = 0 [pid 22776] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22775] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22775] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22776] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22776] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22775] <... futex resumed>) = 0 [pid 22775] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22775] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22775] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22776] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22776] <... bpf resumed>) = 0 [pid 22775] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22776] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22777 attached [pid 22776] <... futex resumed>) = 0 [pid 22777] set_robust_list(0x7f3b956da9a0, 24 [pid 22776] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22777] <... set_robust_list resumed>) = 0 [pid 22777] rt_sigprocmask(SIG_SETMASK, [], [pid 22775] <... clone3 resumed> => {parent_tid=[22364]}, 88) = 22364 [pid 22777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22777] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22775] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22777] <... futex resumed>) = 0 [pid 22775] <... futex resumed>) = 1 [pid 22777] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22775] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22777] <... bpf resumed>) = 5 [pid 22777] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22777] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22775] <... futex resumed>) = 0 [pid 22775] close(3) = 0 [pid 22775] close(4) = 0 [pid 22775] close(5) = 0 [pid 22775] close(6) = -1 EBADF (Bad file descriptor) [pid 22775] close(7) = -1 EBADF (Bad file descriptor) [pid 22775] close(8) = -1 EBADF (Bad file descriptor) [pid 22775] close(9) = -1 EBADF (Bad file descriptor) [pid 22775] close(10) = -1 EBADF (Bad file descriptor) [pid 22775] close(11) = -1 EBADF (Bad file descriptor) [pid 22775] close(12) = -1 EBADF (Bad file descriptor) [pid 22775] close(13) = -1 EBADF (Bad file descriptor) [pid 22775] close(14) = -1 EBADF (Bad file descriptor) [pid 22775] close(15) = -1 EBADF (Bad file descriptor) [pid 22775] close(16) = -1 EBADF (Bad file descriptor) [pid 22775] close(17) = -1 EBADF (Bad file descriptor) [pid 22775] close(18) = -1 EBADF (Bad file descriptor) [pid 22775] close(19) = -1 EBADF (Bad file descriptor) [pid 22775] close(20) = -1 EBADF (Bad file descriptor) [pid 22775] close(21) = -1 EBADF (Bad file descriptor) [pid 22775] close(22) = -1 EBADF (Bad file descriptor) [pid 22775] close(23) = -1 EBADF (Bad file descriptor) [pid 22775] close(24) = -1 EBADF (Bad file descriptor) [pid 22775] close(25) = -1 EBADF (Bad file descriptor) [pid 22775] close(26) = -1 EBADF (Bad file descriptor) [pid 22775] close(27) = -1 EBADF (Bad file descriptor) [pid 22775] close(28) = -1 EBADF (Bad file descriptor) [pid 22775] close(29) = -1 EBADF (Bad file descriptor) [pid 22775] exit_group(0) = ? [pid 22776] <... futex resumed>) = ? [pid 22777] <... futex resumed>) = ? [pid 22777] +++ exited with 0 +++ [pid 22776] +++ exited with 0 +++ [pid 22775] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7725", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7725/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7725/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7725/cgroup.cpu") = 0 [pid 287] umount2("./7725/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7725/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7725/binderfs") = 0 [pid 287] umount2("./7725/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7725/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7725/cgroup") = 0 [pid 287] umount2("./7725/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7725/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7725/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7725") = 0 [pid 287] mkdir("./7726", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22778 attached [pid 22778] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22778] chdir("./7726" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22365 [pid 22778] <... chdir resumed>) = 0 [pid 22778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22778] setpgid(0, 0) = 0 [pid 22778] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22778] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22778] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22778] write(3, "1000", 4) = 4 [pid 22778] close(3) = 0 [pid 22778] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22778] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22778] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22778] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22778] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22779 attached [pid 22779] set_robust_list(0x7f3b956fb9a0, 24 [pid 22778] <... clone3 resumed> => {parent_tid=[22366]}, 88) = 22366 [pid 22779] <... set_robust_list resumed>) = 0 [pid 22778] rt_sigprocmask(SIG_SETMASK, [], [pid 22779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22779] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22778] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22779] <... futex resumed>) = 0 [pid 22778] <... futex resumed>) = 1 [pid 22779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22778] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22779] <... bpf resumed>) = 3 [pid 22779] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22778] <... futex resumed>) = 0 [pid 22779] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22778] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22778] <... futex resumed>) = 0 [pid 22779] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22778] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22779] <... bpf resumed>) = 4 [pid 22779] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22778] <... futex resumed>) = 0 [pid 22779] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22778] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22778] <... futex resumed>) = 0 [pid 22778] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22779] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22778] <... futex resumed>) = 0 [pid 22779] <... bpf resumed>) = 0 [pid 22778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22779] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22778] <... mmap resumed>) = 0x7f3b956ba000 [pid 22779] <... futex resumed>) = 0 [pid 22778] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22779] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22778] <... mprotect resumed>) = 0 [pid 22778] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22780 attached [pid 22780] set_robust_list(0x7f3b956da9a0, 24 [pid 22778] <... clone3 resumed> => {parent_tid=[22367]}, 88) = 22367 [pid 22778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22780] <... set_robust_list resumed>) = 0 [pid 22778] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22780] rt_sigprocmask(SIG_SETMASK, [], [pid 22778] <... futex resumed>) = 0 [pid 22780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22778] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22780] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22780] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22778] <... futex resumed>) = 0 [pid 22780] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22778] close(3) = 0 [pid 22778] close(4) = 0 [pid 22778] close(5) = 0 [pid 22778] close(6) = -1 EBADF (Bad file descriptor) [pid 22778] close(7) = -1 EBADF (Bad file descriptor) [pid 22778] close(8) = -1 EBADF (Bad file descriptor) [pid 22778] close(9) = -1 EBADF (Bad file descriptor) [pid 22778] close(10) = -1 EBADF (Bad file descriptor) [pid 22778] close(11) = -1 EBADF (Bad file descriptor) [pid 22778] close(12) = -1 EBADF (Bad file descriptor) [pid 22778] close(13) = -1 EBADF (Bad file descriptor) [pid 22778] close(14) = -1 EBADF (Bad file descriptor) [pid 22778] close(15) = -1 EBADF (Bad file descriptor) [pid 22778] close(16) = -1 EBADF (Bad file descriptor) [pid 22778] close(17) = -1 EBADF (Bad file descriptor) [pid 22778] close(18) = -1 EBADF (Bad file descriptor) [pid 22778] close(19) = -1 EBADF (Bad file descriptor) [pid 22778] close(20) = -1 EBADF (Bad file descriptor) [pid 22778] close(21) = -1 EBADF (Bad file descriptor) [pid 22778] close(22) = -1 EBADF (Bad file descriptor) [pid 22778] close(23) = -1 EBADF (Bad file descriptor) [pid 22778] close(24) = -1 EBADF (Bad file descriptor) [pid 22778] close(25) = -1 EBADF (Bad file descriptor) [pid 22778] close(26) = -1 EBADF (Bad file descriptor) [pid 22778] close(27) = -1 EBADF (Bad file descriptor) [pid 22778] close(28) = -1 EBADF (Bad file descriptor) [pid 22778] close(29) = -1 EBADF (Bad file descriptor) [pid 22778] exit_group(0 [pid 22779] <... futex resumed>) = ? [pid 22780] <... futex resumed>) = ? [pid 22778] <... exit_group resumed>) = ? [pid 22779] +++ exited with 0 +++ [pid 22780] +++ exited with 0 +++ [pid 22778] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7726", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7726/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7726/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7726/cgroup.cpu") = 0 [pid 287] umount2("./7726/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7726/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7726/binderfs") = 0 [pid 287] umount2("./7726/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7726/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7726/cgroup") = 0 [pid 287] umount2("./7726/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7726/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7726/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7726") = 0 [pid 287] mkdir("./7727", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22781 attached [pid 22781] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22368 [pid 22781] chdir("./7727") = 0 [pid 22781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22781] setpgid(0, 0) = 0 [pid 22781] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22781] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22781] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22781] write(3, "1000", 4) = 4 [pid 22781] close(3) = 0 [pid 22781] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22781] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22781] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22781] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22781] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22782 attached => {parent_tid=[22369]}, 88) = 22369 [pid 22782] set_robust_list(0x7f3b956fb9a0, 24 [pid 22781] rt_sigprocmask(SIG_SETMASK, [], [pid 22782] <... set_robust_list resumed>) = 0 [pid 22781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22782] rt_sigprocmask(SIG_SETMASK, [], [pid 22781] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22781] <... futex resumed>) = 0 [pid 22781] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22782] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22781] <... futex resumed>) = 0 [pid 22782] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22781] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22781] <... futex resumed>) = 0 [pid 22782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22781] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22782] <... bpf resumed>) = 4 [pid 22782] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22781] <... futex resumed>) = 0 [pid 22782] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22781] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22781] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22781] <... futex resumed>) = 0 [pid 22782] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22782] <... bpf resumed>) = 0 [pid 22781] <... mmap resumed>) = 0x7f3b956ba000 [pid 22782] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22781] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22782] <... futex resumed>) = 0 [pid 22781] <... mprotect resumed>) = 0 [pid 22781] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22782] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22781] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22783 attached => {parent_tid=[22370]}, 88) = 22370 [pid 22781] rt_sigprocmask(SIG_SETMASK, [], [pid 22783] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22783] rt_sigprocmask(SIG_SETMASK, [], [pid 22781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22783] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22781] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22783] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22781] <... futex resumed>) = 0 [pid 22781] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22783] <... bpf resumed>) = 5 [pid 22783] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22781] <... futex resumed>) = 0 [pid 22783] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22781] close(3) = 0 [pid 22781] close(4) = 0 [pid 22781] close(5) = 0 [pid 22781] close(6) = -1 EBADF (Bad file descriptor) [pid 22781] close(7) = -1 EBADF (Bad file descriptor) [pid 22781] close(8) = -1 EBADF (Bad file descriptor) [pid 22781] close(9) = -1 EBADF (Bad file descriptor) [pid 22781] close(10) = -1 EBADF (Bad file descriptor) [pid 22781] close(11) = -1 EBADF (Bad file descriptor) [pid 22781] close(12) = -1 EBADF (Bad file descriptor) [pid 22781] close(13) = -1 EBADF (Bad file descriptor) [pid 22781] close(14) = -1 EBADF (Bad file descriptor) [pid 22781] close(15) = -1 EBADF (Bad file descriptor) [pid 22781] close(16) = -1 EBADF (Bad file descriptor) [pid 22781] close(17) = -1 EBADF (Bad file descriptor) [pid 22781] close(18) = -1 EBADF (Bad file descriptor) [pid 22781] close(19) = -1 EBADF (Bad file descriptor) [pid 22781] close(20) = -1 EBADF (Bad file descriptor) [pid 22781] close(21) = -1 EBADF (Bad file descriptor) [pid 22781] close(22) = -1 EBADF (Bad file descriptor) [pid 22781] close(23) = -1 EBADF (Bad file descriptor) [pid 22781] close(24) = -1 EBADF (Bad file descriptor) [pid 22781] close(25) = -1 EBADF (Bad file descriptor) [pid 22781] close(26) = -1 EBADF (Bad file descriptor) [pid 22781] close(27) = -1 EBADF (Bad file descriptor) [pid 22781] close(28) = -1 EBADF (Bad file descriptor) [pid 22781] close(29) = -1 EBADF (Bad file descriptor) [pid 22781] exit_group(0 [pid 22783] <... futex resumed>) = ? [pid 22782] <... futex resumed>) = ? [pid 22781] <... exit_group resumed>) = ? [pid 22782] +++ exited with 0 +++ [pid 22783] +++ exited with 0 +++ [pid 22781] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7727", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7727/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7727/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7727/cgroup.cpu") = 0 [pid 287] umount2("./7727/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7727/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7727/binderfs") = 0 [pid 287] umount2("./7727/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7727/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7727/cgroup") = 0 [pid 287] umount2("./7727/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7727/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7727/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7727") = 0 [pid 287] mkdir("./7728", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22784 attached [pid 22784] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22784] chdir("./7728") = 0 [pid 22784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22784] setpgid(0, 0) = 0 [pid 22784] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22371 [pid 22784] <... symlink resumed>) = 0 [pid 22784] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22784] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22784] write(3, "1000", 4) = 4 [pid 22784] close(3) = 0 [pid 22784] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22784] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22784] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22784] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22784] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22785 attached [pid 22785] set_robust_list(0x7f3b956fb9a0, 24 [pid 22784] <... clone3 resumed> => {parent_tid=[22372]}, 88) = 22372 [pid 22785] <... set_robust_list resumed>) = 0 [pid 22784] rt_sigprocmask(SIG_SETMASK, [], [pid 22785] rt_sigprocmask(SIG_SETMASK, [], [pid 22784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22784] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22785] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22784] <... futex resumed>) = 0 [pid 22785] <... bpf resumed>) = 3 [pid 22784] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22785] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22785] <... futex resumed>) = 0 [pid 22784] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22785] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22784] <... futex resumed>) = 0 [pid 22785] <... bpf resumed>) = 4 [pid 22784] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22785] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22785] <... futex resumed>) = 0 [pid 22784] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22785] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22784] <... futex resumed>) = 0 [pid 22785] <... bpf resumed>) = 0 [pid 22784] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22785] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22784] <... futex resumed>) = 0 [pid 22785] <... futex resumed>) = 0 [pid 22784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22785] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22784] <... mmap resumed>) = 0x7f3b956ba000 [pid 22784] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22784] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22786 attached [pid 22786] set_robust_list(0x7f3b956da9a0, 24 [pid 22784] <... clone3 resumed> => {parent_tid=[22373]}, 88) = 22373 [pid 22784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22786] <... set_robust_list resumed>) = 0 [pid 22784] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22786] rt_sigprocmask(SIG_SETMASK, [], [pid 22784] <... futex resumed>) = 0 [pid 22786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22784] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22786] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22786] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22784] <... futex resumed>) = 0 [pid 22786] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22784] close(3) = 0 [pid 22784] close(4) = 0 [pid 22784] close(5) = 0 [pid 22784] close(6) = -1 EBADF (Bad file descriptor) [pid 22784] close(7) = -1 EBADF (Bad file descriptor) [pid 22784] close(8) = -1 EBADF (Bad file descriptor) [pid 22784] close(9) = -1 EBADF (Bad file descriptor) [pid 22784] close(10) = -1 EBADF (Bad file descriptor) [pid 22784] close(11) = -1 EBADF (Bad file descriptor) [pid 22784] close(12) = -1 EBADF (Bad file descriptor) [pid 22784] close(13) = -1 EBADF (Bad file descriptor) [pid 22784] close(14) = -1 EBADF (Bad file descriptor) [pid 22784] close(15) = -1 EBADF (Bad file descriptor) [pid 22784] close(16) = -1 EBADF (Bad file descriptor) [pid 22784] close(17) = -1 EBADF (Bad file descriptor) [pid 22784] close(18) = -1 EBADF (Bad file descriptor) [pid 22784] close(19) = -1 EBADF (Bad file descriptor) [pid 22784] close(20) = -1 EBADF (Bad file descriptor) [pid 22784] close(21) = -1 EBADF (Bad file descriptor) [pid 22784] close(22) = -1 EBADF (Bad file descriptor) [pid 22784] close(23) = -1 EBADF (Bad file descriptor) [pid 22784] close(24) = -1 EBADF (Bad file descriptor) [pid 22784] close(25) = -1 EBADF (Bad file descriptor) [pid 22784] close(26) = -1 EBADF (Bad file descriptor) [pid 22784] close(27) = -1 EBADF (Bad file descriptor) [pid 22784] close(28) = -1 EBADF (Bad file descriptor) [pid 22784] close(29) = -1 EBADF (Bad file descriptor) [pid 22784] exit_group(0 [pid 22786] <... futex resumed>) = ? [pid 22785] <... futex resumed>) = ? [pid 22784] <... exit_group resumed>) = ? [pid 22786] +++ exited with 0 +++ [pid 22785] +++ exited with 0 +++ [pid 22784] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7728", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7728/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7728/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7728/cgroup.cpu") = 0 [pid 287] umount2("./7728/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7728/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7728/binderfs") = 0 [pid 287] umount2("./7728/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7728/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7728/cgroup") = 0 [pid 287] umount2("./7728/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7728/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7728/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7728") = 0 [pid 287] mkdir("./7729", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22374 ./strace-static-x86_64: Process 22787 attached [pid 22787] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22787] chdir("./7729") = 0 [pid 22787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22787] setpgid(0, 0) = 0 [pid 22787] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22787] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22787] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22787] write(3, "1000", 4) = 4 [pid 22787] close(3) = 0 [pid 22787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22787] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22787] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22787] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22787] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22788 attached [pid 22788] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22787] <... clone3 resumed> => {parent_tid=[22375]}, 88) = 22375 [pid 22788] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22787] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22788] <... futex resumed>) = 0 [pid 22787] <... futex resumed>) = 1 [pid 22788] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22787] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22788] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22788] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22787] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22787] <... futex resumed>) = 0 [pid 22788] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22787] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22788] <... bpf resumed>) = 4 [pid 22788] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22788] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22787] <... futex resumed>) = 0 [pid 22787] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22788] <... futex resumed>) = 0 [pid 22787] <... futex resumed>) = 1 [pid 22788] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22788] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22787] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22788] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22787] <... futex resumed>) = 0 [pid 22788] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22787] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22788] <... futex resumed>) = 0 [pid 22788] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22787] close(3) = 0 [pid 22787] close(4) = 0 [pid 22787] close(5) = 0 [pid 22787] close(6) = -1 EBADF (Bad file descriptor) [pid 22787] close(7) = -1 EBADF (Bad file descriptor) [pid 22787] close(8) = -1 EBADF (Bad file descriptor) [pid 22787] close(9) = -1 EBADF (Bad file descriptor) [pid 22787] close(10) = -1 EBADF (Bad file descriptor) [pid 22787] close(11) = -1 EBADF (Bad file descriptor) [pid 22787] close(12) = -1 EBADF (Bad file descriptor) [pid 22787] close(13) = -1 EBADF (Bad file descriptor) [pid 22787] close(14) = -1 EBADF (Bad file descriptor) [pid 22787] close(15) = -1 EBADF (Bad file descriptor) [pid 22787] close(16) = -1 EBADF (Bad file descriptor) [pid 22787] close(17) = -1 EBADF (Bad file descriptor) [pid 22787] close(18) = -1 EBADF (Bad file descriptor) [pid 22787] close(19) = -1 EBADF (Bad file descriptor) [pid 22787] close(20) = -1 EBADF (Bad file descriptor) [pid 22787] close(21) = -1 EBADF (Bad file descriptor) [pid 22787] close(22) = -1 EBADF (Bad file descriptor) [pid 22787] close(23) = -1 EBADF (Bad file descriptor) [pid 22787] close(24) = -1 EBADF (Bad file descriptor) [pid 22787] close(25) = -1 EBADF (Bad file descriptor) [pid 22787] close(26) = -1 EBADF (Bad file descriptor) [pid 22787] close(27) = -1 EBADF (Bad file descriptor) [pid 22787] close(28) = -1 EBADF (Bad file descriptor) [pid 22787] close(29) = -1 EBADF (Bad file descriptor) [pid 22787] exit_group(0 [pid 22788] <... futex resumed>) = ? [pid 22787] <... exit_group resumed>) = ? [pid 22788] +++ exited with 0 +++ [pid 22787] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7729", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7729/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7729/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7729/cgroup.cpu") = 0 [pid 287] umount2("./7729/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7729/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7729/binderfs") = 0 [pid 287] umount2("./7729/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7729/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7729/cgroup") = 0 [pid 287] umount2("./7729/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7729/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7729/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7729") = 0 [pid 287] mkdir("./7730", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22376 ./strace-static-x86_64: Process 22789 attached [pid 22789] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22789] chdir("./7730") = 0 [pid 22789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22789] setpgid(0, 0) = 0 [pid 22789] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22789] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22789] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22789] write(3, "1000", 4) = 4 [pid 22789] close(3) = 0 [pid 22789] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22789] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22789] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22789] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22790 attached [pid 22790] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22790] rt_sigprocmask(SIG_SETMASK, [], [pid 22789] <... clone3 resumed> => {parent_tid=[22377]}, 88) = 22377 [pid 22790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22790] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22789] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22790] <... futex resumed>) = 0 [pid 22789] <... futex resumed>) = 1 [pid 22790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22789] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22790] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22790] <... futex resumed>) = 0 [pid 22789] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22790] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22789] <... futex resumed>) = 0 [pid 22790] <... bpf resumed>) = 4 [pid 22789] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22790] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22790] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22789] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22790] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22789] <... futex resumed>) = 0 [pid 22790] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22789] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22789] <... futex resumed>) = 0 [pid 22790] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22789] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22790] <... futex resumed>) = 0 [pid 22789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22790] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22789] close(3) = 0 [pid 22789] close(4) = 0 [pid 22789] close(5) = 0 [pid 22789] close(6) = -1 EBADF (Bad file descriptor) [pid 22789] close(7) = -1 EBADF (Bad file descriptor) [pid 22789] close(8) = -1 EBADF (Bad file descriptor) [pid 22789] close(9) = -1 EBADF (Bad file descriptor) [pid 22789] close(10) = -1 EBADF (Bad file descriptor) [pid 22789] close(11) = -1 EBADF (Bad file descriptor) [pid 22789] close(12) = -1 EBADF (Bad file descriptor) [pid 22789] close(13) = -1 EBADF (Bad file descriptor) [pid 22789] close(14) = -1 EBADF (Bad file descriptor) [pid 22789] close(15) = -1 EBADF (Bad file descriptor) [pid 22789] close(16) = -1 EBADF (Bad file descriptor) [pid 22789] close(17) = -1 EBADF (Bad file descriptor) [pid 22789] close(18) = -1 EBADF (Bad file descriptor) [pid 22789] close(19) = -1 EBADF (Bad file descriptor) [pid 22789] close(20) = -1 EBADF (Bad file descriptor) [pid 22789] close(21) = -1 EBADF (Bad file descriptor) [pid 22789] close(22) = -1 EBADF (Bad file descriptor) [pid 22789] close(23) = -1 EBADF (Bad file descriptor) [pid 22789] close(24) = -1 EBADF (Bad file descriptor) [pid 22789] close(25) = -1 EBADF (Bad file descriptor) [pid 22789] close(26) = -1 EBADF (Bad file descriptor) [pid 22789] close(27) = -1 EBADF (Bad file descriptor) [pid 22789] close(28) = -1 EBADF (Bad file descriptor) [pid 22789] close(29) = -1 EBADF (Bad file descriptor) [pid 22789] exit_group(0 [pid 22790] <... futex resumed>) = ? [pid 22789] <... exit_group resumed>) = ? [pid 22790] +++ exited with 0 +++ [pid 22789] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7730", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7730/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7730/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7730/cgroup.cpu") = 0 [pid 287] umount2("./7730/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7730/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7730/binderfs") = 0 [pid 287] umount2("./7730/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7730/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7730/cgroup") = 0 [pid 287] umount2("./7730/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7730/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7730/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7730") = 0 [pid 287] mkdir("./7731", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22378 ./strace-static-x86_64: Process 22791 attached [pid 22791] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22791] chdir("./7731") = 0 [pid 22791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22791] setpgid(0, 0) = 0 [pid 22791] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22791] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22791] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22791] write(3, "1000", 4) = 4 [pid 22791] close(3) = 0 [pid 22791] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22791] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22791] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22791] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22792 attached [pid 22792] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22791] <... clone3 resumed> => {parent_tid=[22379]}, 88) = 22379 [pid 22792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22792] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22791] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22792] <... futex resumed>) = 0 [pid 22791] <... futex resumed>) = 1 [pid 22792] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22791] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22792] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22792] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22791] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22792] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22791] <... futex resumed>) = 0 [pid 22792] <... bpf resumed>) = 4 [pid 22791] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22792] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22792] <... futex resumed>) = 0 [pid 22792] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22791] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22792] <... futex resumed>) = 0 [pid 22791] <... futex resumed>) = 1 [pid 22792] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22791] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22792] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22791] <... futex resumed>) = 0 [pid 22792] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22791] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22793 attached [pid 22793] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22793] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22791] <... clone3 resumed> => {parent_tid=[22380]}, 88) = 22380 [pid 22791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22791] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22793] <... futex resumed>) = 0 [pid 22791] <... futex resumed>) = 1 [pid 22793] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22791] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22793] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22793] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22791] close(3) = 0 [pid 22791] close(4) = 0 [pid 22791] close(5) = 0 [pid 22791] close(6) = -1 EBADF (Bad file descriptor) [pid 22791] close(7) = -1 EBADF (Bad file descriptor) [pid 22791] close(8) = -1 EBADF (Bad file descriptor) [pid 22791] close(9) = -1 EBADF (Bad file descriptor) [pid 22791] close(10) = -1 EBADF (Bad file descriptor) [pid 22791] close(11) = -1 EBADF (Bad file descriptor) [pid 22791] close(12) = -1 EBADF (Bad file descriptor) [pid 22791] close(13) = -1 EBADF (Bad file descriptor) [pid 22791] close(14) = -1 EBADF (Bad file descriptor) [pid 22791] close(15) = -1 EBADF (Bad file descriptor) [pid 22791] close(16) = -1 EBADF (Bad file descriptor) [pid 22791] close(17) = -1 EBADF (Bad file descriptor) [pid 22791] close(18) = -1 EBADF (Bad file descriptor) [pid 22791] close(19) = -1 EBADF (Bad file descriptor) [pid 22791] close(20) = -1 EBADF (Bad file descriptor) [pid 22791] close(21) = -1 EBADF (Bad file descriptor) [pid 22791] close(22) = -1 EBADF (Bad file descriptor) [pid 22791] close(23) = -1 EBADF (Bad file descriptor) [pid 22791] close(24) = -1 EBADF (Bad file descriptor) [pid 22791] close(25) = -1 EBADF (Bad file descriptor) [pid 22791] close(26) = -1 EBADF (Bad file descriptor) [pid 22791] close(27) = -1 EBADF (Bad file descriptor) [pid 22791] close(28) = -1 EBADF (Bad file descriptor) [pid 22791] close(29) = -1 EBADF (Bad file descriptor) [pid 22791] exit_group(0 [pid 22793] <... futex resumed>) = ? [pid 22792] <... futex resumed>) = ? [pid 22791] <... exit_group resumed>) = ? [pid 22793] +++ exited with 0 +++ [pid 22792] +++ exited with 0 +++ [pid 22791] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7731", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7731/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7731/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7731/cgroup.cpu") = 0 [pid 287] umount2("./7731/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7731/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7731/binderfs") = 0 [pid 287] umount2("./7731/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7731/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7731/cgroup") = 0 [pid 287] umount2("./7731/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7731/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7731/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7731") = 0 [pid 287] mkdir("./7732", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22794 attached [pid 22794] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22381 [pid 22794] chdir("./7732") = 0 [pid 22794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22794] setpgid(0, 0) = 0 [pid 22794] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22794] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22794] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22794] write(3, "1000", 4) = 4 [pid 22794] close(3) = 0 [pid 22794] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22794] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22794] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22794] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22795 attached => {parent_tid=[22382]}, 88) = 22382 [pid 22795] set_robust_list(0x7f3b956fb9a0, 24 [pid 22794] rt_sigprocmask(SIG_SETMASK, [], [pid 22795] <... set_robust_list resumed>) = 0 [pid 22794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22794] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22795] rt_sigprocmask(SIG_SETMASK, [], [pid 22794] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22795] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22795] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22794] <... futex resumed>) = 0 [pid 22795] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22794] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22794] <... futex resumed>) = 0 [pid 22795] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22794] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22795] <... bpf resumed>) = 4 [pid 22795] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22794] <... futex resumed>) = 0 [pid 22794] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22794] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22795] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22794] <... futex resumed>) = 0 [pid 22795] <... bpf resumed>) = 0 [pid 22794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22795] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22794] <... mmap resumed>) = 0x7f3b956ba000 [pid 22795] <... futex resumed>) = 0 [pid 22794] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22795] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22794] <... mprotect resumed>) = 0 [pid 22794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22796 attached [pid 22796] set_robust_list(0x7f3b956da9a0, 24 [pid 22794] <... clone3 resumed> => {parent_tid=[22383]}, 88) = 22383 [pid 22796] <... set_robust_list resumed>) = 0 [pid 22796] rt_sigprocmask(SIG_SETMASK, [], [pid 22794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22794] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22796] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22794] <... futex resumed>) = 0 [pid 22794] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22796] <... bpf resumed>) = 5 [pid 22796] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22794] <... futex resumed>) = 0 [pid 22796] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22794] close(3) = 0 [pid 22794] close(4) = 0 [pid 22794] close(5) = 0 [pid 22794] close(6) = -1 EBADF (Bad file descriptor) [pid 22794] close(7) = -1 EBADF (Bad file descriptor) [pid 22794] close(8) = -1 EBADF (Bad file descriptor) [pid 22794] close(9) = -1 EBADF (Bad file descriptor) [pid 22794] close(10) = -1 EBADF (Bad file descriptor) [pid 22794] close(11) = -1 EBADF (Bad file descriptor) [pid 22794] close(12) = -1 EBADF (Bad file descriptor) [pid 22794] close(13) = -1 EBADF (Bad file descriptor) [pid 22794] close(14) = -1 EBADF (Bad file descriptor) [pid 22794] close(15) = -1 EBADF (Bad file descriptor) [pid 22794] close(16) = -1 EBADF (Bad file descriptor) [pid 22794] close(17) = -1 EBADF (Bad file descriptor) [pid 22794] close(18) = -1 EBADF (Bad file descriptor) [pid 22794] close(19) = -1 EBADF (Bad file descriptor) [pid 22794] close(20) = -1 EBADF (Bad file descriptor) [pid 22794] close(21) = -1 EBADF (Bad file descriptor) [pid 22794] close(22) = -1 EBADF (Bad file descriptor) [pid 22794] close(23) = -1 EBADF (Bad file descriptor) [pid 22794] close(24) = -1 EBADF (Bad file descriptor) [pid 22794] close(25) = -1 EBADF (Bad file descriptor) [pid 22794] close(26) = -1 EBADF (Bad file descriptor) [pid 22794] close(27) = -1 EBADF (Bad file descriptor) [pid 22794] close(28) = -1 EBADF (Bad file descriptor) [pid 22794] close(29) = -1 EBADF (Bad file descriptor) [pid 22794] exit_group(0 [pid 22796] <... futex resumed>) = ? [pid 22795] <... futex resumed>) = ? [pid 22794] <... exit_group resumed>) = ? [pid 22796] +++ exited with 0 +++ [pid 22795] +++ exited with 0 +++ [pid 22794] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7732", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7732/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7732/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7732/cgroup.cpu") = 0 [pid 287] umount2("./7732/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7732/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7732/binderfs") = 0 [pid 287] umount2("./7732/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7732/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7732/cgroup") = 0 [pid 287] umount2("./7732/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7732/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7732/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7732") = 0 [pid 287] mkdir("./7733", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22797 attached [pid 22797] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22797] chdir("./7733") = 0 [pid 22797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22797] setpgid(0, 0) = 0 [pid 22797] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22384 [pid 22797] <... symlink resumed>) = 0 [pid 22797] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22797] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22797] write(3, "1000", 4) = 4 [pid 22797] close(3) = 0 [pid 22797] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22797] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22797] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22797] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22798 attached [pid 22798] set_robust_list(0x7f3b956fb9a0, 24 [pid 22797] <... clone3 resumed> => {parent_tid=[22385]}, 88) = 22385 [pid 22798] <... set_robust_list resumed>) = 0 [pid 22797] rt_sigprocmask(SIG_SETMASK, [], [pid 22798] rt_sigprocmask(SIG_SETMASK, [], [pid 22797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22797] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22798] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22797] <... futex resumed>) = 0 [pid 22798] <... bpf resumed>) = 3 [pid 22797] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22798] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22798] <... futex resumed>) = 0 [pid 22797] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22798] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22797] <... futex resumed>) = 0 [pid 22798] <... bpf resumed>) = 4 [pid 22797] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22798] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22798] <... futex resumed>) = 0 [pid 22797] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22798] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22797] <... futex resumed>) = 0 [pid 22798] <... bpf resumed>) = 0 [pid 22797] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22798] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22797] <... futex resumed>) = 0 [pid 22798] <... futex resumed>) = 0 [pid 22797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22798] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22797] <... mmap resumed>) = 0x7f3b956ba000 [pid 22797] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22799 attached => {parent_tid=[22386]}, 88) = 22386 [pid 22799] set_robust_list(0x7f3b956da9a0, 24 [pid 22797] rt_sigprocmask(SIG_SETMASK, [], [pid 22799] <... set_robust_list resumed>) = 0 [pid 22797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22799] rt_sigprocmask(SIG_SETMASK, [], [pid 22797] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22797] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22799] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22799] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22797] <... futex resumed>) = 0 [pid 22799] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22797] close(3) = 0 [pid 22797] close(4) = 0 [pid 22797] close(5) = 0 [pid 22797] close(6) = -1 EBADF (Bad file descriptor) [pid 22797] close(7) = -1 EBADF (Bad file descriptor) [pid 22797] close(8) = -1 EBADF (Bad file descriptor) [pid 22797] close(9) = -1 EBADF (Bad file descriptor) [pid 22797] close(10) = -1 EBADF (Bad file descriptor) [pid 22797] close(11) = -1 EBADF (Bad file descriptor) [pid 22797] close(12) = -1 EBADF (Bad file descriptor) [pid 22797] close(13) = -1 EBADF (Bad file descriptor) [pid 22797] close(14) = -1 EBADF (Bad file descriptor) [pid 22797] close(15) = -1 EBADF (Bad file descriptor) [pid 22797] close(16) = -1 EBADF (Bad file descriptor) [pid 22797] close(17) = -1 EBADF (Bad file descriptor) [pid 22797] close(18) = -1 EBADF (Bad file descriptor) [pid 22797] close(19) = -1 EBADF (Bad file descriptor) [pid 22797] close(20) = -1 EBADF (Bad file descriptor) [pid 22797] close(21) = -1 EBADF (Bad file descriptor) [pid 22797] close(22) = -1 EBADF (Bad file descriptor) [pid 22797] close(23) = -1 EBADF (Bad file descriptor) [pid 22797] close(24) = -1 EBADF (Bad file descriptor) [pid 22797] close(25) = -1 EBADF (Bad file descriptor) [pid 22797] close(26) = -1 EBADF (Bad file descriptor) [pid 22797] close(27) = -1 EBADF (Bad file descriptor) [pid 22797] close(28) = -1 EBADF (Bad file descriptor) [pid 22797] close(29) = -1 EBADF (Bad file descriptor) [pid 22797] exit_group(0 [pid 22799] <... futex resumed>) = ? [pid 22798] <... futex resumed>) = ? [pid 22797] <... exit_group resumed>) = ? [pid 22799] +++ exited with 0 +++ [pid 22798] +++ exited with 0 +++ [pid 22797] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7733", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7733/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7733/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7733/cgroup.cpu") = 0 [pid 287] umount2("./7733/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7733/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7733/binderfs") = 0 [pid 287] umount2("./7733/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7733/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7733/cgroup") = 0 [pid 287] umount2("./7733/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7733/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7733/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7733") = 0 [pid 287] mkdir("./7734", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22800 attached [pid 22800] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22387 [pid 22800] chdir("./7734") = 0 [pid 22800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22800] setpgid(0, 0) = 0 [pid 22800] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22800] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22800] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22800] write(3, "1000", 4) = 4 [pid 22800] close(3) = 0 [pid 22800] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22800] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22800] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22800] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22801 attached [pid 22801] set_robust_list(0x7f3b956fb9a0, 24 [pid 22800] <... clone3 resumed> => {parent_tid=[22388]}, 88) = 22388 [pid 22801] <... set_robust_list resumed>) = 0 [pid 22800] rt_sigprocmask(SIG_SETMASK, [], [pid 22801] rt_sigprocmask(SIG_SETMASK, [], [pid 22800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22800] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22800] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22801] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22801] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22800] <... futex resumed>) = 0 [pid 22801] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22800] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22800] <... futex resumed>) = 0 [pid 22801] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22800] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22801] <... bpf resumed>) = 4 [pid 22801] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22800] <... futex resumed>) = 0 [pid 22801] <... futex resumed>) = 1 [pid 22800] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22801] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22800] <... futex resumed>) = 0 [pid 22801] <... bpf resumed>) = 0 [pid 22800] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22801] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22800] <... futex resumed>) = 0 [pid 22801] <... futex resumed>) = 0 [pid 22800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22801] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22800] <... mmap resumed>) = 0x7f3b956ba000 [pid 22800] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22802 attached [pid 22802] set_robust_list(0x7f3b956da9a0, 24 [pid 22800] <... clone3 resumed> => {parent_tid=[22389]}, 88) = 22389 [pid 22802] <... set_robust_list resumed>) = 0 [pid 22802] rt_sigprocmask(SIG_SETMASK, [], [pid 22800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22800] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22802] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22800] <... futex resumed>) = 0 [pid 22800] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22802] <... bpf resumed>) = 5 [pid 22802] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22800] <... futex resumed>) = 0 [pid 22802] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22800] close(3) = 0 [pid 22800] close(4) = 0 [pid 22800] close(5) = 0 [pid 22800] close(6) = -1 EBADF (Bad file descriptor) [pid 22800] close(7) = -1 EBADF (Bad file descriptor) [pid 22800] close(8) = -1 EBADF (Bad file descriptor) [pid 22800] close(9) = -1 EBADF (Bad file descriptor) [pid 22800] close(10) = -1 EBADF (Bad file descriptor) [pid 22800] close(11) = -1 EBADF (Bad file descriptor) [pid 22800] close(12) = -1 EBADF (Bad file descriptor) [pid 22800] close(13) = -1 EBADF (Bad file descriptor) [pid 22800] close(14) = -1 EBADF (Bad file descriptor) [pid 22800] close(15) = -1 EBADF (Bad file descriptor) [pid 22800] close(16) = -1 EBADF (Bad file descriptor) [pid 22800] close(17) = -1 EBADF (Bad file descriptor) [pid 22800] close(18) = -1 EBADF (Bad file descriptor) [pid 22800] close(19) = -1 EBADF (Bad file descriptor) [pid 22800] close(20) = -1 EBADF (Bad file descriptor) [pid 22800] close(21) = -1 EBADF (Bad file descriptor) [pid 22800] close(22) = -1 EBADF (Bad file descriptor) [pid 22800] close(23) = -1 EBADF (Bad file descriptor) [pid 22800] close(24) = -1 EBADF (Bad file descriptor) [pid 22800] close(25) = -1 EBADF (Bad file descriptor) [pid 22800] close(26) = -1 EBADF (Bad file descriptor) [pid 22800] close(27) = -1 EBADF (Bad file descriptor) [pid 22800] close(28) = -1 EBADF (Bad file descriptor) [pid 22800] close(29) = -1 EBADF (Bad file descriptor) [pid 22800] exit_group(0 [pid 22802] <... futex resumed>) = ? [pid 22801] <... futex resumed>) = ? [pid 22800] <... exit_group resumed>) = ? [pid 22802] +++ exited with 0 +++ [pid 22801] +++ exited with 0 +++ [pid 22800] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7734", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7734/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7734/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7734/cgroup.cpu") = 0 [pid 287] umount2("./7734/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7734/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7734/binderfs") = 0 [pid 287] umount2("./7734/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7734/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7734/cgroup") = 0 [pid 287] umount2("./7734/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7734/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7734/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7734") = 0 [pid 287] mkdir("./7735", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22390 ./strace-static-x86_64: Process 22803 attached [pid 22803] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22803] chdir("./7735") = 0 [pid 22803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22803] setpgid(0, 0) = 0 [pid 22803] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22803] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22803] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22803] write(3, "1000", 4) = 4 [pid 22803] close(3) = 0 [pid 22803] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22803] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22803] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22803] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22804 attached => {parent_tid=[22391]}, 88) = 22391 [pid 22804] set_robust_list(0x7f3b956fb9a0, 24 [pid 22803] rt_sigprocmask(SIG_SETMASK, [], [pid 22804] <... set_robust_list resumed>) = 0 [pid 22803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22804] rt_sigprocmask(SIG_SETMASK, [], [pid 22803] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22803] <... futex resumed>) = 0 [pid 22803] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22804] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22804] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22803] <... futex resumed>) = 0 [pid 22804] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22803] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22804] <... bpf resumed>) = 4 [pid 22803] <... futex resumed>) = 0 [pid 22803] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22804] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22804] <... futex resumed>) = 0 [pid 22803] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22804] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22803] <... futex resumed>) = 0 [pid 22804] <... bpf resumed>) = 0 [pid 22803] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22804] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22803] <... futex resumed>) = 0 [pid 22804] <... futex resumed>) = 0 [pid 22803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22804] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22803] <... mmap resumed>) = 0x7f3b956ba000 [pid 22803] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22805 attached [pid 22805] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22803] <... clone3 resumed> => {parent_tid=[22392]}, 88) = 22392 [pid 22803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22803] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22805] rt_sigprocmask(SIG_SETMASK, [], [pid 22803] <... futex resumed>) = 0 [pid 22805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22803] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22805] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22803] <... futex resumed>) = 0 [pid 22805] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22803] close(3) = 0 [pid 22803] close(4) = 0 [pid 22803] close(5) = 0 [pid 22803] close(6) = -1 EBADF (Bad file descriptor) [pid 22803] close(7) = -1 EBADF (Bad file descriptor) [pid 22803] close(8) = -1 EBADF (Bad file descriptor) [pid 22803] close(9) = -1 EBADF (Bad file descriptor) [pid 22803] close(10) = -1 EBADF (Bad file descriptor) [pid 22803] close(11) = -1 EBADF (Bad file descriptor) [pid 22803] close(12) = -1 EBADF (Bad file descriptor) [pid 22803] close(13) = -1 EBADF (Bad file descriptor) [pid 22803] close(14) = -1 EBADF (Bad file descriptor) [pid 22803] close(15) = -1 EBADF (Bad file descriptor) [pid 22803] close(16) = -1 EBADF (Bad file descriptor) [pid 22803] close(17) = -1 EBADF (Bad file descriptor) [pid 22803] close(18) = -1 EBADF (Bad file descriptor) [pid 22803] close(19) = -1 EBADF (Bad file descriptor) [pid 22803] close(20) = -1 EBADF (Bad file descriptor) [pid 22803] close(21) = -1 EBADF (Bad file descriptor) [pid 22803] close(22) = -1 EBADF (Bad file descriptor) [pid 22803] close(23) = -1 EBADF (Bad file descriptor) [pid 22803] close(24) = -1 EBADF (Bad file descriptor) [pid 22803] close(25) = -1 EBADF (Bad file descriptor) [pid 22803] close(26) = -1 EBADF (Bad file descriptor) [pid 22803] close(27) = -1 EBADF (Bad file descriptor) [pid 22803] close(28) = -1 EBADF (Bad file descriptor) [pid 22803] close(29) = -1 EBADF (Bad file descriptor) [pid 22803] exit_group(0 [pid 22805] <... futex resumed>) = ? [pid 22804] <... futex resumed>) = ? [pid 22803] <... exit_group resumed>) = ? [pid 22805] +++ exited with 0 +++ [pid 22804] +++ exited with 0 +++ [pid 22803] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7735", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7735/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7735/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7735/cgroup.cpu") = 0 [pid 287] umount2("./7735/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7735/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7735/binderfs") = 0 [pid 287] umount2("./7735/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7735/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7735/cgroup") = 0 [pid 287] umount2("./7735/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7735/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7735/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7735") = 0 [pid 287] mkdir("./7736", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22806 attached [pid 22806] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22806] chdir("./7736" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22393 [pid 22806] <... chdir resumed>) = 0 [pid 22806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22806] setpgid(0, 0) = 0 [pid 22806] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22806] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22806] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22806] write(3, "1000", 4) = 4 [pid 22806] close(3) = 0 [pid 22806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22806] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22806] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22806] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22807 attached [pid 22807] set_robust_list(0x7f3b956fb9a0, 24 [pid 22806] <... clone3 resumed> => {parent_tid=[22394]}, 88) = 22394 [pid 22807] <... set_robust_list resumed>) = 0 [pid 22806] rt_sigprocmask(SIG_SETMASK, [], [pid 22807] rt_sigprocmask(SIG_SETMASK, [], [pid 22806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22806] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22806] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22807] <... bpf resumed>) = 3 [pid 22807] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22806] <... futex resumed>) = 0 [pid 22807] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22806] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22806] <... futex resumed>) = 0 [pid 22807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22806] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22807] <... bpf resumed>) = 4 [pid 22807] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22806] <... futex resumed>) = 0 [pid 22807] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22806] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22806] <... futex resumed>) = 0 [pid 22807] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22806] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22807] <... bpf resumed>) = 0 [pid 22806] <... futex resumed>) = 0 [pid 22807] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22807] <... futex resumed>) = 0 [pid 22806] <... mmap resumed>) = 0x7f3b956ba000 [pid 22807] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22806] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22808 attached [pid 22808] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22806] <... clone3 resumed> => {parent_tid=[22395]}, 88) = 22395 [pid 22808] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22806] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22808] <... futex resumed>) = 0 [pid 22806] <... futex resumed>) = 1 [pid 22808] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22806] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22808] <... bpf resumed>) = 5 [pid 22808] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22806] <... futex resumed>) = 0 [pid 22808] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22806] close(3) = 0 [pid 22806] close(4) = 0 [pid 22806] close(5) = 0 [pid 22806] close(6) = -1 EBADF (Bad file descriptor) [pid 22806] close(7) = -1 EBADF (Bad file descriptor) [pid 22806] close(8) = -1 EBADF (Bad file descriptor) [pid 22806] close(9) = -1 EBADF (Bad file descriptor) [pid 22806] close(10) = -1 EBADF (Bad file descriptor) [pid 22806] close(11) = -1 EBADF (Bad file descriptor) [pid 22806] close(12) = -1 EBADF (Bad file descriptor) [pid 22806] close(13) = -1 EBADF (Bad file descriptor) [pid 22806] close(14) = -1 EBADF (Bad file descriptor) [pid 22806] close(15) = -1 EBADF (Bad file descriptor) [pid 22806] close(16) = -1 EBADF (Bad file descriptor) [pid 22806] close(17) = -1 EBADF (Bad file descriptor) [pid 22806] close(18) = -1 EBADF (Bad file descriptor) [pid 22806] close(19) = -1 EBADF (Bad file descriptor) [pid 22806] close(20) = -1 EBADF (Bad file descriptor) [pid 22806] close(21) = -1 EBADF (Bad file descriptor) [pid 22806] close(22) = -1 EBADF (Bad file descriptor) [pid 22806] close(23) = -1 EBADF (Bad file descriptor) [pid 22806] close(24) = -1 EBADF (Bad file descriptor) [pid 22806] close(25) = -1 EBADF (Bad file descriptor) [pid 22806] close(26) = -1 EBADF (Bad file descriptor) [pid 22806] close(27) = -1 EBADF (Bad file descriptor) [pid 22806] close(28) = -1 EBADF (Bad file descriptor) [pid 22806] close(29) = -1 EBADF (Bad file descriptor) [pid 22806] exit_group(0 [pid 22808] <... futex resumed>) = ? [pid 22807] <... futex resumed>) = ? [pid 22806] <... exit_group resumed>) = ? [pid 22808] +++ exited with 0 +++ [pid 22807] +++ exited with 0 +++ [pid 22806] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7736", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7736/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7736/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7736/cgroup.cpu") = 0 [pid 287] umount2("./7736/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7736/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7736/binderfs") = 0 [pid 287] umount2("./7736/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7736/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7736/cgroup") = 0 [pid 287] umount2("./7736/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7736/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7736/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7736") = 0 [pid 287] mkdir("./7737", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22809 attached [pid 22809] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22396 [pid 22809] chdir("./7737") = 0 [pid 22809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22809] setpgid(0, 0) = 0 [pid 22809] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22809] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22809] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22809] write(3, "1000", 4) = 4 [pid 22809] close(3) = 0 [pid 22809] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22809] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22809] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22809] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22810 attached => {parent_tid=[22397]}, 88) = 22397 [pid 22810] set_robust_list(0x7f3b956fb9a0, 24 [pid 22809] rt_sigprocmask(SIG_SETMASK, [], [pid 22810] <... set_robust_list resumed>) = 0 [pid 22810] rt_sigprocmask(SIG_SETMASK, [], [pid 22809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22810] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22809] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22809] <... futex resumed>) = 0 [pid 22809] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22810] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22809] <... futex resumed>) = 0 [pid 22810] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22809] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22809] <... futex resumed>) = 0 [pid 22809] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22810] <... bpf resumed>) = 4 [pid 22810] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22809] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22810] <... futex resumed>) = 0 [pid 22809] <... futex resumed>) = 0 [pid 22810] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22809] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22810] <... bpf resumed>) = 0 [pid 22810] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22809] <... futex resumed>) = 0 [pid 22810] <... futex resumed>) = 0 [pid 22810] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22809] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22811 attached [pid 22811] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22809] <... clone3 resumed> => {parent_tid=[22398]}, 88) = 22398 [pid 22811] rt_sigprocmask(SIG_SETMASK, [], [pid 22809] rt_sigprocmask(SIG_SETMASK, [], [pid 22811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22811] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22809] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22811] <... futex resumed>) = 0 [pid 22809] <... futex resumed>) = 1 [pid 22811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22809] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22811] <... bpf resumed>) = 5 [pid 22811] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22809] <... futex resumed>) = 0 [pid 22811] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22809] close(3) = 0 [pid 22809] close(4) = 0 [pid 22809] close(5) = 0 [pid 22809] close(6) = -1 EBADF (Bad file descriptor) [pid 22809] close(7) = -1 EBADF (Bad file descriptor) [pid 22809] close(8) = -1 EBADF (Bad file descriptor) [pid 22809] close(9) = -1 EBADF (Bad file descriptor) [pid 22809] close(10) = -1 EBADF (Bad file descriptor) [pid 22809] close(11) = -1 EBADF (Bad file descriptor) [pid 22809] close(12) = -1 EBADF (Bad file descriptor) [pid 22809] close(13) = -1 EBADF (Bad file descriptor) [pid 22809] close(14) = -1 EBADF (Bad file descriptor) [pid 22809] close(15) = -1 EBADF (Bad file descriptor) [pid 22809] close(16) = -1 EBADF (Bad file descriptor) [pid 22809] close(17) = -1 EBADF (Bad file descriptor) [pid 22809] close(18) = -1 EBADF (Bad file descriptor) [pid 22809] close(19) = -1 EBADF (Bad file descriptor) [pid 22809] close(20) = -1 EBADF (Bad file descriptor) [pid 22809] close(21) = -1 EBADF (Bad file descriptor) [pid 22809] close(22) = -1 EBADF (Bad file descriptor) [pid 22809] close(23) = -1 EBADF (Bad file descriptor) [pid 22809] close(24) = -1 EBADF (Bad file descriptor) [pid 22809] close(25) = -1 EBADF (Bad file descriptor) [pid 22809] close(26) = -1 EBADF (Bad file descriptor) [pid 22809] close(27) = -1 EBADF (Bad file descriptor) [pid 22809] close(28) = -1 EBADF (Bad file descriptor) [pid 22809] close(29) = -1 EBADF (Bad file descriptor) [pid 22809] exit_group(0 [pid 22810] <... futex resumed>) = ? [pid 22809] <... exit_group resumed>) = ? [pid 22811] <... futex resumed>) = ? [pid 22811] +++ exited with 0 +++ [pid 22810] +++ exited with 0 +++ [pid 22809] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7737", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7737/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7737/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7737/cgroup.cpu") = 0 [pid 287] umount2("./7737/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7737/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7737/binderfs") = 0 [pid 287] umount2("./7737/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7737/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7737/cgroup") = 0 [pid 287] umount2("./7737/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7737/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7737/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7737") = 0 [pid 287] mkdir("./7738", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22812 attached [pid 22812] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22812] chdir("./7738") = 0 [pid 22812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22399 [pid 22812] <... prctl resumed>) = 0 [pid 22812] setpgid(0, 0) = 0 [pid 22812] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22812] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22812] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22812] write(3, "1000", 4) = 4 [pid 22812] close(3) = 0 [pid 22812] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22812] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22812] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22812] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22813 attached [pid 22813] set_robust_list(0x7f3b956fb9a0, 24 [pid 22812] <... clone3 resumed> => {parent_tid=[22400]}, 88) = 22400 [pid 22813] <... set_robust_list resumed>) = 0 [pid 22812] rt_sigprocmask(SIG_SETMASK, [], [pid 22813] rt_sigprocmask(SIG_SETMASK, [], [pid 22812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22812] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22813] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22812] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22813] <... bpf resumed>) = 3 [pid 22813] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22812] <... futex resumed>) = 0 [pid 22813] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22812] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22812] <... futex resumed>) = 0 [pid 22813] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22812] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22813] <... bpf resumed>) = 4 [pid 22813] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22812] <... futex resumed>) = 0 [pid 22813] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22812] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22812] <... futex resumed>) = 0 [pid 22813] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22812] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22813] <... bpf resumed>) = 0 [pid 22812] <... futex resumed>) = 0 [pid 22813] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22813] <... futex resumed>) = 0 [pid 22812] <... mmap resumed>) = 0x7f3b956ba000 [pid 22813] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22812] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22814 attached [pid 22814] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22812] <... clone3 resumed> => {parent_tid=[22401]}, 88) = 22401 [pid 22814] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22812] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22814] <... futex resumed>) = 0 [pid 22812] <... futex resumed>) = 1 [pid 22814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22812] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22814] <... bpf resumed>) = 5 [pid 22814] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22812] <... futex resumed>) = 0 [pid 22814] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22812] close(3) = 0 [pid 22812] close(4) = 0 [pid 22812] close(5) = 0 [pid 22812] close(6) = -1 EBADF (Bad file descriptor) [pid 22812] close(7) = -1 EBADF (Bad file descriptor) [pid 22812] close(8) = -1 EBADF (Bad file descriptor) [pid 22812] close(9) = -1 EBADF (Bad file descriptor) [pid 22812] close(10) = -1 EBADF (Bad file descriptor) [pid 22812] close(11) = -1 EBADF (Bad file descriptor) [pid 22812] close(12) = -1 EBADF (Bad file descriptor) [pid 22812] close(13) = -1 EBADF (Bad file descriptor) [pid 22812] close(14) = -1 EBADF (Bad file descriptor) [pid 22812] close(15) = -1 EBADF (Bad file descriptor) [pid 22812] close(16) = -1 EBADF (Bad file descriptor) [pid 22812] close(17) = -1 EBADF (Bad file descriptor) [pid 22812] close(18) = -1 EBADF (Bad file descriptor) [pid 22812] close(19) = -1 EBADF (Bad file descriptor) [pid 22812] close(20) = -1 EBADF (Bad file descriptor) [pid 22812] close(21) = -1 EBADF (Bad file descriptor) [pid 22812] close(22) = -1 EBADF (Bad file descriptor) [pid 22812] close(23) = -1 EBADF (Bad file descriptor) [pid 22812] close(24) = -1 EBADF (Bad file descriptor) [pid 22812] close(25) = -1 EBADF (Bad file descriptor) [pid 22812] close(26) = -1 EBADF (Bad file descriptor) [pid 22812] close(27) = -1 EBADF (Bad file descriptor) [pid 22812] close(28) = -1 EBADF (Bad file descriptor) [pid 22812] close(29) = -1 EBADF (Bad file descriptor) [pid 22812] exit_group(0) = ? [pid 22813] <... futex resumed>) = ? [pid 22814] <... futex resumed>) = ? [pid 22813] +++ exited with 0 +++ [pid 22814] +++ exited with 0 +++ [pid 22812] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7738", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7738/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7738/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7738/cgroup.cpu") = 0 [pid 287] umount2("./7738/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7738/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7738/binderfs") = 0 [pid 287] umount2("./7738/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7738/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7738/cgroup") = 0 [pid 287] umount2("./7738/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7738/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7738/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7738") = 0 [pid 287] mkdir("./7739", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22402 ./strace-static-x86_64: Process 22815 attached [pid 22815] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22815] chdir("./7739") = 0 [pid 22815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22815] setpgid(0, 0) = 0 [pid 22815] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22815] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22815] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22815] write(3, "1000", 4) = 4 [pid 22815] close(3) = 0 [pid 22815] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22815] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22815] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22815] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22816 attached [pid 22816] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22816] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22815] <... clone3 resumed> => {parent_tid=[22403]}, 88) = 22403 [pid 22815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22815] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22816] <... futex resumed>) = 0 [pid 22815] <... futex resumed>) = 1 [pid 22816] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22815] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22816] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22816] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22815] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22816] <... futex resumed>) = 0 [pid 22815] <... futex resumed>) = 1 [pid 22816] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22815] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22816] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22816] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22815] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22815] <... futex resumed>) = 0 [pid 22816] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22815] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22816] <... bpf resumed>) = 0 [pid 22816] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22815] <... futex resumed>) = 0 [pid 22816] <... futex resumed>) = 0 [pid 22816] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22815] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22817 attached [pid 22817] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22817] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22815] <... clone3 resumed> => {parent_tid=[22404]}, 88) = 22404 [pid 22815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22815] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22817] <... futex resumed>) = 0 [pid 22815] <... futex resumed>) = 1 [pid 22817] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22815] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22817] <... bpf resumed>) = 5 [pid 22817] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22817] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22815] <... futex resumed>) = 0 [pid 22815] close(3) = 0 [pid 22815] close(4) = 0 [pid 22815] close(5) = 0 [pid 22815] close(6) = -1 EBADF (Bad file descriptor) [pid 22815] close(7) = -1 EBADF (Bad file descriptor) [pid 22815] close(8) = -1 EBADF (Bad file descriptor) [pid 22815] close(9) = -1 EBADF (Bad file descriptor) [pid 22815] close(10) = -1 EBADF (Bad file descriptor) [pid 22815] close(11) = -1 EBADF (Bad file descriptor) [pid 22815] close(12) = -1 EBADF (Bad file descriptor) [pid 22815] close(13) = -1 EBADF (Bad file descriptor) [pid 22815] close(14) = -1 EBADF (Bad file descriptor) [pid 22815] close(15) = -1 EBADF (Bad file descriptor) [pid 22815] close(16) = -1 EBADF (Bad file descriptor) [pid 22815] close(17) = -1 EBADF (Bad file descriptor) [pid 22815] close(18) = -1 EBADF (Bad file descriptor) [pid 22815] close(19) = -1 EBADF (Bad file descriptor) [pid 22815] close(20) = -1 EBADF (Bad file descriptor) [pid 22815] close(21) = -1 EBADF (Bad file descriptor) [pid 22815] close(22) = -1 EBADF (Bad file descriptor) [pid 22815] close(23) = -1 EBADF (Bad file descriptor) [pid 22815] close(24) = -1 EBADF (Bad file descriptor) [pid 22815] close(25) = -1 EBADF (Bad file descriptor) [pid 22815] close(26) = -1 EBADF (Bad file descriptor) [pid 22815] close(27) = -1 EBADF (Bad file descriptor) [pid 22815] close(28) = -1 EBADF (Bad file descriptor) [pid 22815] close(29) = -1 EBADF (Bad file descriptor) [pid 22815] exit_group(0 [pid 22817] <... futex resumed>) = ? [pid 22816] <... futex resumed>) = ? [pid 22815] <... exit_group resumed>) = ? [pid 22817] +++ exited with 0 +++ [pid 22816] +++ exited with 0 +++ [pid 22815] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7739", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7739/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7739/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7739/cgroup.cpu") = 0 [pid 287] umount2("./7739/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7739/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7739/binderfs") = 0 [pid 287] umount2("./7739/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7739/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7739/cgroup") = 0 [pid 287] umount2("./7739/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7739/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7739/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7739") = 0 [pid 287] mkdir("./7740", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22818 attached [pid 22818] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22818] chdir("./7740") = 0 [pid 22818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22405 [pid 22818] <... prctl resumed>) = 0 [pid 22818] setpgid(0, 0) = 0 [pid 22818] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22818] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22818] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22818] write(3, "1000", 4) = 4 [pid 22818] close(3) = 0 [pid 22818] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22818] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22818] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22818] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22819 attached [pid 22819] set_robust_list(0x7f3b956fb9a0, 24 [pid 22818] <... clone3 resumed> => {parent_tid=[22406]}, 88) = 22406 [pid 22819] <... set_robust_list resumed>) = 0 [pid 22818] rt_sigprocmask(SIG_SETMASK, [], [pid 22819] rt_sigprocmask(SIG_SETMASK, [], [pid 22818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22818] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22819] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22818] <... futex resumed>) = 0 [pid 22819] <... bpf resumed>) = 3 [pid 22818] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22819] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22819] <... futex resumed>) = 0 [pid 22818] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22818] <... futex resumed>) = 0 [pid 22819] <... bpf resumed>) = 4 [pid 22818] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22819] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22819] <... futex resumed>) = 0 [pid 22818] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22819] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22818] <... futex resumed>) = 0 [pid 22819] <... bpf resumed>) = 0 [pid 22818] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22819] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22818] <... futex resumed>) = 0 [pid 22819] <... futex resumed>) = 0 [pid 22818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22819] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22818] <... mmap resumed>) = 0x7f3b956ba000 [pid 22818] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22820 attached [pid 22820] set_robust_list(0x7f3b956da9a0, 24 [pid 22818] <... clone3 resumed> => {parent_tid=[22407]}, 88) = 22407 [pid 22820] <... set_robust_list resumed>) = 0 [pid 22818] rt_sigprocmask(SIG_SETMASK, [], [pid 22820] rt_sigprocmask(SIG_SETMASK, [], [pid 22818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22818] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22818] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22820] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22820] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22818] <... futex resumed>) = 0 [pid 22820] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22818] close(3) = 0 [pid 22818] close(4) = 0 [pid 22818] close(5) = 0 [pid 22818] close(6) = -1 EBADF (Bad file descriptor) [pid 22818] close(7) = -1 EBADF (Bad file descriptor) [pid 22818] close(8) = -1 EBADF (Bad file descriptor) [pid 22818] close(9) = -1 EBADF (Bad file descriptor) [pid 22818] close(10) = -1 EBADF (Bad file descriptor) [pid 22818] close(11) = -1 EBADF (Bad file descriptor) [pid 22818] close(12) = -1 EBADF (Bad file descriptor) [pid 22818] close(13) = -1 EBADF (Bad file descriptor) [pid 22818] close(14) = -1 EBADF (Bad file descriptor) [pid 22818] close(15) = -1 EBADF (Bad file descriptor) [pid 22818] close(16) = -1 EBADF (Bad file descriptor) [pid 22818] close(17) = -1 EBADF (Bad file descriptor) [pid 22818] close(18) = -1 EBADF (Bad file descriptor) [pid 22818] close(19) = -1 EBADF (Bad file descriptor) [pid 22818] close(20) = -1 EBADF (Bad file descriptor) [pid 22818] close(21) = -1 EBADF (Bad file descriptor) [pid 22818] close(22) = -1 EBADF (Bad file descriptor) [pid 22818] close(23) = -1 EBADF (Bad file descriptor) [pid 22818] close(24) = -1 EBADF (Bad file descriptor) [pid 22818] close(25) = -1 EBADF (Bad file descriptor) [pid 22818] close(26) = -1 EBADF (Bad file descriptor) [pid 22818] close(27) = -1 EBADF (Bad file descriptor) [pid 22818] close(28) = -1 EBADF (Bad file descriptor) [pid 22818] close(29) = -1 EBADF (Bad file descriptor) [pid 22818] exit_group(0 [pid 22820] <... futex resumed>) = ? [pid 22819] <... futex resumed>) = ? [pid 22818] <... exit_group resumed>) = ? [pid 22819] +++ exited with 0 +++ [pid 22820] +++ exited with 0 +++ [pid 22818] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7740", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7740/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7740/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7740/cgroup.cpu") = 0 [pid 287] umount2("./7740/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7740/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7740/binderfs") = 0 [pid 287] umount2("./7740/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7740/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7740/cgroup") = 0 [pid 287] umount2("./7740/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7740/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7740/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7740") = 0 [pid 287] mkdir("./7741", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22821 attached [pid 22821] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22408 [pid 22821] chdir("./7741") = 0 [pid 22821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22821] setpgid(0, 0) = 0 [pid 22821] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22821] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22821] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22821] write(3, "1000", 4) = 4 [pid 22821] close(3) = 0 [pid 22821] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22821] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22821] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22821] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22821] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22822 attached [pid 22822] set_robust_list(0x7f3b956fb9a0, 24 [pid 22821] <... clone3 resumed> => {parent_tid=[22409]}, 88) = 22409 [pid 22822] <... set_robust_list resumed>) = 0 [pid 22821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22821] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22822] rt_sigprocmask(SIG_SETMASK, [], [pid 22821] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22822] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22822] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22821] <... futex resumed>) = 0 [pid 22822] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22821] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22821] <... futex resumed>) = 0 [pid 22822] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22821] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22822] <... bpf resumed>) = 4 [pid 22822] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22821] <... futex resumed>) = 0 [pid 22822] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22821] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22821] <... futex resumed>) = 0 [pid 22822] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22821] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22822] <... bpf resumed>) = 0 [pid 22821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22822] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22821] <... mmap resumed>) = 0x7f3b956ba000 [pid 22822] <... futex resumed>) = 0 [pid 22821] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22822] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22821] <... mprotect resumed>) = 0 [pid 22821] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22823 attached [pid 22823] set_robust_list(0x7f3b956da9a0, 24 [pid 22821] <... clone3 resumed> => {parent_tid=[22410]}, 88) = 22410 [pid 22823] <... set_robust_list resumed>) = 0 [pid 22821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22823] rt_sigprocmask(SIG_SETMASK, [], [pid 22821] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22821] <... futex resumed>) = 0 [pid 22823] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22821] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22823] <... bpf resumed>) = 5 [pid 22823] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22821] <... futex resumed>) = 0 [pid 22823] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22821] close(3) = 0 [pid 22821] close(4) = 0 [pid 22821] close(5) = 0 [pid 22821] close(6) = -1 EBADF (Bad file descriptor) [pid 22821] close(7) = -1 EBADF (Bad file descriptor) [pid 22821] close(8) = -1 EBADF (Bad file descriptor) [pid 22821] close(9) = -1 EBADF (Bad file descriptor) [pid 22821] close(10) = -1 EBADF (Bad file descriptor) [pid 22821] close(11) = -1 EBADF (Bad file descriptor) [pid 22821] close(12) = -1 EBADF (Bad file descriptor) [pid 22821] close(13) = -1 EBADF (Bad file descriptor) [pid 22821] close(14) = -1 EBADF (Bad file descriptor) [pid 22821] close(15) = -1 EBADF (Bad file descriptor) [pid 22821] close(16) = -1 EBADF (Bad file descriptor) [pid 22821] close(17) = -1 EBADF (Bad file descriptor) [pid 22821] close(18) = -1 EBADF (Bad file descriptor) [pid 22821] close(19) = -1 EBADF (Bad file descriptor) [pid 22821] close(20) = -1 EBADF (Bad file descriptor) [pid 22821] close(21) = -1 EBADF (Bad file descriptor) [pid 22821] close(22) = -1 EBADF (Bad file descriptor) [pid 22821] close(23) = -1 EBADF (Bad file descriptor) [pid 22821] close(24) = -1 EBADF (Bad file descriptor) [pid 22821] close(25) = -1 EBADF (Bad file descriptor) [pid 22821] close(26) = -1 EBADF (Bad file descriptor) [pid 22821] close(27) = -1 EBADF (Bad file descriptor) [pid 22821] close(28) = -1 EBADF (Bad file descriptor) [pid 22821] close(29) = -1 EBADF (Bad file descriptor) [pid 22821] exit_group(0 [pid 22822] <... futex resumed>) = ? [pid 22821] <... exit_group resumed>) = ? [pid 22823] <... futex resumed>) = ? [pid 22822] +++ exited with 0 +++ [pid 22823] +++ exited with 0 +++ [pid 22821] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7741", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7741/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7741/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7741/cgroup.cpu") = 0 [pid 287] umount2("./7741/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7741/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7741/binderfs") = 0 [pid 287] umount2("./7741/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7741/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7741/cgroup") = 0 [pid 287] umount2("./7741/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7741/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7741/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7741") = 0 [pid 287] mkdir("./7742", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22824 attached [pid 22824] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22824] chdir("./7742") = 0 [pid 22824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22411 [pid 22824] <... prctl resumed>) = 0 [pid 22824] setpgid(0, 0) = 0 [pid 22824] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22824] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22824] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22824] write(3, "1000", 4) = 4 [pid 22824] close(3) = 0 [pid 22824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22824] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22824] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22824] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22825 attached [pid 22825] set_robust_list(0x7f3b956fb9a0, 24 [pid 22824] <... clone3 resumed> => {parent_tid=[22412]}, 88) = 22412 [pid 22825] <... set_robust_list resumed>) = 0 [pid 22824] rt_sigprocmask(SIG_SETMASK, [], [pid 22825] rt_sigprocmask(SIG_SETMASK, [], [pid 22824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22824] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22825] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22824] <... futex resumed>) = 0 [pid 22825] <... bpf resumed>) = 3 [pid 22824] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22825] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22825] <... futex resumed>) = 0 [pid 22824] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22825] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22824] <... futex resumed>) = 0 [pid 22825] <... bpf resumed>) = 4 [pid 22824] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22825] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22825] <... futex resumed>) = 0 [pid 22824] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22825] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22824] <... futex resumed>) = 0 [pid 22825] <... bpf resumed>) = 0 [pid 22824] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22825] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22824] <... futex resumed>) = 0 [pid 22825] <... futex resumed>) = 0 [pid 22824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22825] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22824] <... mmap resumed>) = 0x7f3b956ba000 [pid 22824] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22413]}, 88) = 22413 ./strace-static-x86_64: Process 22826 attached [pid 22824] rt_sigprocmask(SIG_SETMASK, [], [pid 22826] set_robust_list(0x7f3b956da9a0, 24 [pid 22824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22824] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22826] <... set_robust_list resumed>) = 0 [pid 22824] <... futex resumed>) = 0 [pid 22826] rt_sigprocmask(SIG_SETMASK, [], [pid 22824] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22826] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22826] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22824] <... futex resumed>) = 0 [pid 22826] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22824] close(3) = 0 [pid 22824] close(4) = 0 [pid 22824] close(5) = 0 [pid 22824] close(6) = -1 EBADF (Bad file descriptor) [pid 22824] close(7) = -1 EBADF (Bad file descriptor) [pid 22824] close(8) = -1 EBADF (Bad file descriptor) [pid 22824] close(9) = -1 EBADF (Bad file descriptor) [pid 22824] close(10) = -1 EBADF (Bad file descriptor) [pid 22824] close(11) = -1 EBADF (Bad file descriptor) [pid 22824] close(12) = -1 EBADF (Bad file descriptor) [pid 22824] close(13) = -1 EBADF (Bad file descriptor) [pid 22824] close(14) = -1 EBADF (Bad file descriptor) [pid 22824] close(15) = -1 EBADF (Bad file descriptor) [pid 22824] close(16) = -1 EBADF (Bad file descriptor) [pid 22824] close(17) = -1 EBADF (Bad file descriptor) [pid 22824] close(18) = -1 EBADF (Bad file descriptor) [pid 22824] close(19) = -1 EBADF (Bad file descriptor) [pid 22824] close(20) = -1 EBADF (Bad file descriptor) [pid 22824] close(21) = -1 EBADF (Bad file descriptor) [pid 22824] close(22) = -1 EBADF (Bad file descriptor) [pid 22824] close(23) = -1 EBADF (Bad file descriptor) [pid 22824] close(24) = -1 EBADF (Bad file descriptor) [pid 22824] close(25) = -1 EBADF (Bad file descriptor) [pid 22824] close(26) = -1 EBADF (Bad file descriptor) [pid 22824] close(27) = -1 EBADF (Bad file descriptor) [pid 22824] close(28) = -1 EBADF (Bad file descriptor) [pid 22824] close(29) = -1 EBADF (Bad file descriptor) [pid 22824] exit_group(0 [pid 22825] <... futex resumed>) = ? [pid 22824] <... exit_group resumed>) = ? [pid 22826] <... futex resumed>) = ? [pid 22825] +++ exited with 0 +++ [pid 22826] +++ exited with 0 +++ [pid 22824] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7742", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7742/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7742/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7742/cgroup.cpu") = 0 [pid 287] umount2("./7742/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7742/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7742/binderfs") = 0 [pid 287] umount2("./7742/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7742/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7742/cgroup") = 0 [pid 287] umount2("./7742/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7742/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7742/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7742") = 0 [pid 287] mkdir("./7743", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22827 attached [pid 22827] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22827] chdir("./7743") = 0 [pid 22827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22827] setpgid(0, 0) = 0 [pid 22827] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22414 [pid 22827] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22827] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22827] write(3, "1000", 4) = 4 [pid 22827] close(3) = 0 [pid 22827] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22827] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22827] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22827] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22827] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22827] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22415]}, 88) = 22415 ./strace-static-x86_64: Process 22828 attached [pid 22827] rt_sigprocmask(SIG_SETMASK, [], [pid 22828] set_robust_list(0x7f3b956fb9a0, 24 [pid 22827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22828] <... set_robust_list resumed>) = 0 [pid 22827] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22828] rt_sigprocmask(SIG_SETMASK, [], [pid 22827] <... futex resumed>) = 0 [pid 22828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22827] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22828] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22827] <... futex resumed>) = 0 [pid 22828] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22827] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22827] <... futex resumed>) = 0 [pid 22828] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22827] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22828] <... bpf resumed>) = 4 [pid 22828] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22827] <... futex resumed>) = 0 [pid 22828] <... futex resumed>) = 1 [pid 22827] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22828] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22827] <... futex resumed>) = 0 [pid 22828] <... bpf resumed>) = 0 [pid 22827] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22828] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22827] <... futex resumed>) = 0 [pid 22827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22828] <... futex resumed>) = 0 [pid 22827] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22828] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22827] <... mprotect resumed>) = 0 [pid 22827] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22829 attached [pid 22829] set_robust_list(0x7f3b956da9a0, 24 [pid 22827] <... clone3 resumed> => {parent_tid=[22416]}, 88) = 22416 [pid 22829] <... set_robust_list resumed>) = 0 [pid 22829] rt_sigprocmask(SIG_SETMASK, [], [pid 22827] rt_sigprocmask(SIG_SETMASK, [], [pid 22829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22829] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22827] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22829] <... futex resumed>) = 0 [pid 22827] <... futex resumed>) = 1 [pid 22829] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22827] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22829] <... bpf resumed>) = 5 [pid 22829] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22827] <... futex resumed>) = 0 [pid 22829] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22827] close(3) = 0 [pid 22827] close(4) = 0 [pid 22827] close(5) = 0 [pid 22827] close(6) = -1 EBADF (Bad file descriptor) [pid 22827] close(7) = -1 EBADF (Bad file descriptor) [pid 22827] close(8) = -1 EBADF (Bad file descriptor) [pid 22827] close(9) = -1 EBADF (Bad file descriptor) [pid 22827] close(10) = -1 EBADF (Bad file descriptor) [pid 22827] close(11) = -1 EBADF (Bad file descriptor) [pid 22827] close(12) = -1 EBADF (Bad file descriptor) [pid 22827] close(13) = -1 EBADF (Bad file descriptor) [pid 22827] close(14) = -1 EBADF (Bad file descriptor) [pid 22827] close(15) = -1 EBADF (Bad file descriptor) [pid 22827] close(16) = -1 EBADF (Bad file descriptor) [pid 22827] close(17) = -1 EBADF (Bad file descriptor) [pid 22827] close(18) = -1 EBADF (Bad file descriptor) [pid 22827] close(19) = -1 EBADF (Bad file descriptor) [pid 22827] close(20) = -1 EBADF (Bad file descriptor) [pid 22827] close(21) = -1 EBADF (Bad file descriptor) [pid 22827] close(22) = -1 EBADF (Bad file descriptor) [pid 22827] close(23) = -1 EBADF (Bad file descriptor) [pid 22827] close(24) = -1 EBADF (Bad file descriptor) [pid 22827] close(25) = -1 EBADF (Bad file descriptor) [pid 22827] close(26) = -1 EBADF (Bad file descriptor) [pid 22827] close(27) = -1 EBADF (Bad file descriptor) [pid 22827] close(28) = -1 EBADF (Bad file descriptor) [pid 22827] close(29) = -1 EBADF (Bad file descriptor) [pid 22827] exit_group(0 [pid 22829] <... futex resumed>) = ? [pid 22827] <... exit_group resumed>) = ? [pid 22829] +++ exited with 0 +++ [pid 22828] <... futex resumed>) = ? [pid 22828] +++ exited with 0 +++ [pid 22827] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7743", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7743/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7743/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7743/cgroup.cpu") = 0 [pid 287] umount2("./7743/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7743/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7743/binderfs") = 0 [pid 287] umount2("./7743/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7743/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7743/cgroup") = 0 [pid 287] umount2("./7743/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7743/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7743/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7743") = 0 [pid 287] mkdir("./7744", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22830 attached [pid 22830] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22830] chdir("./7744") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22417 [pid 22830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22830] setpgid(0, 0) = 0 [pid 22830] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22830] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22830] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22830] write(3, "1000", 4) = 4 [pid 22830] close(3) = 0 [pid 22830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22830] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22830] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22830] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22831 attached [pid 22831] set_robust_list(0x7f3b956fb9a0, 24 [pid 22830] <... clone3 resumed> => {parent_tid=[22418]}, 88) = 22418 [pid 22831] <... set_robust_list resumed>) = 0 [pid 22830] rt_sigprocmask(SIG_SETMASK, [], [pid 22831] rt_sigprocmask(SIG_SETMASK, [], [pid 22830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22830] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22831] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22830] <... futex resumed>) = 0 [pid 22831] <... bpf resumed>) = 3 [pid 22830] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22831] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22831] <... futex resumed>) = 0 [pid 22830] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22831] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22830] <... futex resumed>) = 0 [pid 22831] <... bpf resumed>) = 4 [pid 22830] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22831] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22831] <... futex resumed>) = 0 [pid 22830] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22831] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22830] <... futex resumed>) = 0 [pid 22831] <... bpf resumed>) = 0 [pid 22830] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22831] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22830] <... futex resumed>) = 0 [pid 22831] <... futex resumed>) = 0 [pid 22830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22831] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22830] <... mmap resumed>) = 0x7f3b956ba000 [pid 22830] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22832 attached => {parent_tid=[22419]}, 88) = 22419 [pid 22832] set_robust_list(0x7f3b956da9a0, 24 [pid 22830] rt_sigprocmask(SIG_SETMASK, [], [pid 22832] <... set_robust_list resumed>) = 0 [pid 22830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22832] rt_sigprocmask(SIG_SETMASK, [], [pid 22830] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22830] <... futex resumed>) = 0 [pid 22830] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22832] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22830] <... futex resumed>) = 0 [pid 22832] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22830] close(3) = 0 [pid 22830] close(4) = 0 [pid 22830] close(5) = 0 [pid 22830] close(6) = -1 EBADF (Bad file descriptor) [pid 22830] close(7) = -1 EBADF (Bad file descriptor) [pid 22830] close(8) = -1 EBADF (Bad file descriptor) [pid 22830] close(9) = -1 EBADF (Bad file descriptor) [pid 22830] close(10) = -1 EBADF (Bad file descriptor) [pid 22830] close(11) = -1 EBADF (Bad file descriptor) [pid 22830] close(12) = -1 EBADF (Bad file descriptor) [pid 22830] close(13) = -1 EBADF (Bad file descriptor) [pid 22830] close(14) = -1 EBADF (Bad file descriptor) [pid 22830] close(15) = -1 EBADF (Bad file descriptor) [pid 22830] close(16) = -1 EBADF (Bad file descriptor) [pid 22830] close(17) = -1 EBADF (Bad file descriptor) [pid 22830] close(18) = -1 EBADF (Bad file descriptor) [pid 22830] close(19) = -1 EBADF (Bad file descriptor) [pid 22830] close(20) = -1 EBADF (Bad file descriptor) [pid 22830] close(21) = -1 EBADF (Bad file descriptor) [pid 22830] close(22) = -1 EBADF (Bad file descriptor) [pid 22830] close(23) = -1 EBADF (Bad file descriptor) [pid 22830] close(24) = -1 EBADF (Bad file descriptor) [pid 22830] close(25) = -1 EBADF (Bad file descriptor) [pid 22830] close(26) = -1 EBADF (Bad file descriptor) [pid 22830] close(27) = -1 EBADF (Bad file descriptor) [pid 22830] close(28) = -1 EBADF (Bad file descriptor) [pid 22830] close(29) = -1 EBADF (Bad file descriptor) [pid 22830] exit_group(0 [pid 22832] <... futex resumed>) = ? [pid 22831] <... futex resumed>) = ? [pid 22830] <... exit_group resumed>) = ? [pid 22832] +++ exited with 0 +++ [pid 22831] +++ exited with 0 +++ [pid 22830] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7744", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7744/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7744/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7744/cgroup.cpu") = 0 [pid 287] umount2("./7744/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7744/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7744/binderfs") = 0 [pid 287] umount2("./7744/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7744/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7744/cgroup") = 0 [pid 287] umount2("./7744/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7744/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7744/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7744") = 0 [pid 287] mkdir("./7745", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22833 attached [pid 22833] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22833] chdir("./7745" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22420 [pid 22833] <... chdir resumed>) = 0 [pid 22833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22833] setpgid(0, 0) = 0 [pid 22833] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22833] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22833] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22833] write(3, "1000", 4) = 4 [pid 22833] close(3) = 0 [pid 22833] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22833] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22833] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22833] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22421]}, 88) = 22421 [pid 22833] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 22834 attached NULL, 8) = 0 [pid 22834] set_robust_list(0x7f3b956fb9a0, 24 [pid 22833] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22834] <... set_robust_list resumed>) = 0 [pid 22833] <... futex resumed>) = 0 [pid 22834] rt_sigprocmask(SIG_SETMASK, [], [pid 22833] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22834] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22834] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22833] <... futex resumed>) = 0 [pid 22834] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22833] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22833] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22834] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22834] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22833] <... futex resumed>) = 0 [pid 22834] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22833] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22833] <... futex resumed>) = 0 [pid 22834] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22833] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22834] <... bpf resumed>) = 0 [pid 22833] <... futex resumed>) = 0 [pid 22834] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22834] <... futex resumed>) = 0 [pid 22833] <... mmap resumed>) = 0x7f3b956ba000 [pid 22834] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22833] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22835 attached [pid 22835] set_robust_list(0x7f3b956da9a0, 24 [pid 22833] <... clone3 resumed> => {parent_tid=[22422]}, 88) = 22422 [pid 22835] <... set_robust_list resumed>) = 0 [pid 22835] rt_sigprocmask(SIG_SETMASK, [], [pid 22833] rt_sigprocmask(SIG_SETMASK, [], [pid 22835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22833] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22833] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22835] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22835] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22835] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22833] <... futex resumed>) = 0 [pid 22835] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22833] close(3) = 0 [pid 22833] close(4) = 0 [pid 22833] close(5) = 0 [pid 22833] close(6) = -1 EBADF (Bad file descriptor) [pid 22833] close(7) = -1 EBADF (Bad file descriptor) [pid 22833] close(8) = -1 EBADF (Bad file descriptor) [pid 22833] close(9) = -1 EBADF (Bad file descriptor) [pid 22833] close(10) = -1 EBADF (Bad file descriptor) [pid 22833] close(11) = -1 EBADF (Bad file descriptor) [pid 22833] close(12) = -1 EBADF (Bad file descriptor) [pid 22833] close(13) = -1 EBADF (Bad file descriptor) [pid 22833] close(14) = -1 EBADF (Bad file descriptor) [pid 22833] close(15) = -1 EBADF (Bad file descriptor) [pid 22833] close(16) = -1 EBADF (Bad file descriptor) [pid 22833] close(17) = -1 EBADF (Bad file descriptor) [pid 22833] close(18) = -1 EBADF (Bad file descriptor) [pid 22833] close(19) = -1 EBADF (Bad file descriptor) [pid 22833] close(20) = -1 EBADF (Bad file descriptor) [pid 22833] close(21) = -1 EBADF (Bad file descriptor) [pid 22833] close(22) = -1 EBADF (Bad file descriptor) [pid 22833] close(23) = -1 EBADF (Bad file descriptor) [pid 22833] close(24) = -1 EBADF (Bad file descriptor) [pid 22833] close(25) = -1 EBADF (Bad file descriptor) [pid 22833] close(26) = -1 EBADF (Bad file descriptor) [pid 22833] close(27) = -1 EBADF (Bad file descriptor) [pid 22833] close(28) = -1 EBADF (Bad file descriptor) [pid 22833] close(29) = -1 EBADF (Bad file descriptor) [pid 22833] exit_group(0 [pid 22835] <... futex resumed>) = ? [pid 22834] <... futex resumed>) = ? [pid 22833] <... exit_group resumed>) = ? [pid 22835] +++ exited with 0 +++ [pid 22834] +++ exited with 0 +++ [pid 22833] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7745", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7745/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7745/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7745/cgroup.cpu") = 0 [pid 287] umount2("./7745/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7745/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7745/binderfs") = 0 [pid 287] umount2("./7745/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7745/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7745/cgroup") = 0 [pid 287] umount2("./7745/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7745/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7745/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7745") = 0 [pid 287] mkdir("./7746", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22836 attached [pid 22836] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22836] chdir("./7746") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22423 [pid 22836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22836] setpgid(0, 0) = 0 [pid 22836] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22836] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22836] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22836] write(3, "1000", 4) = 4 [pid 22836] close(3) = 0 [pid 22836] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22836] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22836] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22836] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22836] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22837 attached [pid 22837] set_robust_list(0x7f3b956fb9a0, 24 [pid 22836] <... clone3 resumed> => {parent_tid=[22424]}, 88) = 22424 [pid 22837] <... set_robust_list resumed>) = 0 [pid 22836] rt_sigprocmask(SIG_SETMASK, [], [pid 22837] rt_sigprocmask(SIG_SETMASK, [], [pid 22836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22836] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22837] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22836] <... futex resumed>) = 0 [pid 22837] <... bpf resumed>) = 3 [pid 22836] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22837] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22837] <... futex resumed>) = 0 [pid 22836] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22837] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22836] <... futex resumed>) = 0 [pid 22837] <... bpf resumed>) = 4 [pid 22836] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22837] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22837] <... futex resumed>) = 0 [pid 22836] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22837] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22836] <... futex resumed>) = 0 [pid 22837] <... bpf resumed>) = 0 [pid 22836] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22837] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22836] <... futex resumed>) = 0 [pid 22837] <... futex resumed>) = 0 [pid 22836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22837] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22836] <... mmap resumed>) = 0x7f3b956ba000 [pid 22836] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22836] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22838 attached [pid 22838] set_robust_list(0x7f3b956da9a0, 24 [pid 22836] <... clone3 resumed> => {parent_tid=[22425]}, 88) = 22425 [pid 22838] <... set_robust_list resumed>) = 0 [pid 22836] rt_sigprocmask(SIG_SETMASK, [], [pid 22838] rt_sigprocmask(SIG_SETMASK, [], [pid 22836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22836] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22836] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22838] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22838] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22836] <... futex resumed>) = 0 [pid 22838] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22836] close(3) = 0 [pid 22836] close(4) = 0 [pid 22836] close(5) = 0 [pid 22836] close(6) = -1 EBADF (Bad file descriptor) [pid 22836] close(7) = -1 EBADF (Bad file descriptor) [pid 22836] close(8) = -1 EBADF (Bad file descriptor) [pid 22836] close(9) = -1 EBADF (Bad file descriptor) [pid 22836] close(10) = -1 EBADF (Bad file descriptor) [pid 22836] close(11) = -1 EBADF (Bad file descriptor) [pid 22836] close(12) = -1 EBADF (Bad file descriptor) [pid 22836] close(13) = -1 EBADF (Bad file descriptor) [pid 22836] close(14) = -1 EBADF (Bad file descriptor) [pid 22836] close(15) = -1 EBADF (Bad file descriptor) [pid 22836] close(16) = -1 EBADF (Bad file descriptor) [pid 22836] close(17) = -1 EBADF (Bad file descriptor) [pid 22836] close(18) = -1 EBADF (Bad file descriptor) [pid 22836] close(19) = -1 EBADF (Bad file descriptor) [pid 22836] close(20) = -1 EBADF (Bad file descriptor) [pid 22836] close(21) = -1 EBADF (Bad file descriptor) [pid 22836] close(22) = -1 EBADF (Bad file descriptor) [pid 22836] close(23) = -1 EBADF (Bad file descriptor) [pid 22836] close(24) = -1 EBADF (Bad file descriptor) [pid 22836] close(25) = -1 EBADF (Bad file descriptor) [pid 22836] close(26) = -1 EBADF (Bad file descriptor) [pid 22836] close(27) = -1 EBADF (Bad file descriptor) [pid 22836] close(28) = -1 EBADF (Bad file descriptor) [pid 22836] close(29) = -1 EBADF (Bad file descriptor) [pid 22836] exit_group(0 [pid 22838] <... futex resumed>) = ? [pid 22837] <... futex resumed>) = ? [pid 22836] <... exit_group resumed>) = ? [pid 22837] +++ exited with 0 +++ [pid 22838] +++ exited with 0 +++ [pid 22836] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7746", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7746/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7746/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7746/cgroup.cpu") = 0 [pid 287] umount2("./7746/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7746/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7746/binderfs") = 0 [pid 287] umount2("./7746/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7746/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7746/cgroup") = 0 [pid 287] umount2("./7746/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7746/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7746/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7746") = 0 [pid 287] mkdir("./7747", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22839 attached [pid 22839] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22839] chdir("./7747" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22426 [pid 22839] <... chdir resumed>) = 0 [pid 22839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22839] setpgid(0, 0) = 0 [pid 22839] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22839] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22839] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22839] write(3, "1000", 4) = 4 [pid 22839] close(3) = 0 [pid 22839] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22839] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22839] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22839] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22840 attached [pid 22840] set_robust_list(0x7f3b956fb9a0, 24 [pid 22839] <... clone3 resumed> => {parent_tid=[22427]}, 88) = 22427 [pid 22840] <... set_robust_list resumed>) = 0 [pid 22839] rt_sigprocmask(SIG_SETMASK, [], [pid 22840] rt_sigprocmask(SIG_SETMASK, [], [pid 22839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22839] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22839] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22840] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22840] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22839] <... futex resumed>) = 0 [pid 22840] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22839] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22839] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22840] <... bpf resumed>) = 4 [pid 22840] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22839] <... futex resumed>) = 0 [pid 22840] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22839] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22839] <... futex resumed>) = 0 [pid 22840] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22839] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22840] <... bpf resumed>) = 0 [pid 22839] <... futex resumed>) = 0 [pid 22840] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22840] <... futex resumed>) = 0 [pid 22839] <... mmap resumed>) = 0x7f3b956ba000 [pid 22840] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22839] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22841 attached [pid 22841] set_robust_list(0x7f3b956da9a0, 24 [pid 22839] <... clone3 resumed> => {parent_tid=[22428]}, 88) = 22428 [pid 22841] <... set_robust_list resumed>) = 0 [pid 22841] rt_sigprocmask(SIG_SETMASK, [], [pid 22839] rt_sigprocmask(SIG_SETMASK, [], [pid 22841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22841] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22839] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22841] <... futex resumed>) = 0 [pid 22839] <... futex resumed>) = 1 [pid 22841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22839] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22841] <... bpf resumed>) = 5 [pid 22841] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22839] <... futex resumed>) = 0 [pid 22841] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22839] close(3) = 0 [pid 22839] close(4) = 0 [pid 22839] close(5) = 0 [pid 22839] close(6) = -1 EBADF (Bad file descriptor) [pid 22839] close(7) = -1 EBADF (Bad file descriptor) [pid 22839] close(8) = -1 EBADF (Bad file descriptor) [pid 22839] close(9) = -1 EBADF (Bad file descriptor) [pid 22839] close(10) = -1 EBADF (Bad file descriptor) [pid 22839] close(11) = -1 EBADF (Bad file descriptor) [pid 22839] close(12) = -1 EBADF (Bad file descriptor) [pid 22839] close(13) = -1 EBADF (Bad file descriptor) [pid 22839] close(14) = -1 EBADF (Bad file descriptor) [pid 22839] close(15) = -1 EBADF (Bad file descriptor) [pid 22839] close(16) = -1 EBADF (Bad file descriptor) [pid 22839] close(17) = -1 EBADF (Bad file descriptor) [pid 22839] close(18) = -1 EBADF (Bad file descriptor) [pid 22839] close(19) = -1 EBADF (Bad file descriptor) [pid 22839] close(20) = -1 EBADF (Bad file descriptor) [pid 22839] close(21) = -1 EBADF (Bad file descriptor) [pid 22839] close(22) = -1 EBADF (Bad file descriptor) [pid 22839] close(23) = -1 EBADF (Bad file descriptor) [pid 22839] close(24) = -1 EBADF (Bad file descriptor) [pid 22839] close(25) = -1 EBADF (Bad file descriptor) [pid 22839] close(26) = -1 EBADF (Bad file descriptor) [pid 22839] close(27) = -1 EBADF (Bad file descriptor) [pid 22839] close(28) = -1 EBADF (Bad file descriptor) [pid 22839] close(29) = -1 EBADF (Bad file descriptor) [pid 22839] exit_group(0 [pid 22841] <... futex resumed>) = ? [pid 22840] <... futex resumed>) = ? [pid 22839] <... exit_group resumed>) = ? [pid 22841] +++ exited with 0 +++ [pid 22840] +++ exited with 0 +++ [pid 22839] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7747", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7747/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7747/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7747/cgroup.cpu") = 0 [pid 287] umount2("./7747/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7747/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7747/binderfs") = 0 [pid 287] umount2("./7747/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7747/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7747/cgroup") = 0 [pid 287] umount2("./7747/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7747/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7747/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7747") = 0 [pid 287] mkdir("./7748", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22842 attached [pid 22842] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22429 [pid 22842] chdir("./7748") = 0 [pid 22842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22842] setpgid(0, 0) = 0 [pid 22842] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22842] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22842] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22842] write(3, "1000", 4) = 4 [pid 22842] close(3) = 0 [pid 22842] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22842] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22842] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22842] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22843 attached => {parent_tid=[22430]}, 88) = 22430 [pid 22842] rt_sigprocmask(SIG_SETMASK, [], [pid 22843] set_robust_list(0x7f3b956fb9a0, 24 [pid 22842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22843] <... set_robust_list resumed>) = 0 [pid 22842] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22843] rt_sigprocmask(SIG_SETMASK, [], [pid 22842] <... futex resumed>) = 0 [pid 22843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22842] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22843] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22843] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22842] <... futex resumed>) = 0 [pid 22843] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22842] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22842] <... futex resumed>) = 0 [pid 22843] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22842] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22843] <... bpf resumed>) = 4 [pid 22843] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22842] <... futex resumed>) = 0 [pid 22843] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22842] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22843] <... bpf resumed>) = 0 [pid 22842] <... futex resumed>) = 0 [pid 22843] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22842] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22842] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22843] <... futex resumed>) = 0 [pid 22843] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22843] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22842] <... futex resumed>) = 0 [pid 22843] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22842] close(3) = 0 [pid 22842] close(4) = 0 [pid 22842] close(5) = 0 [pid 22842] close(6) = -1 EBADF (Bad file descriptor) [pid 22842] close(7) = -1 EBADF (Bad file descriptor) [pid 22842] close(8) = -1 EBADF (Bad file descriptor) [pid 22842] close(9) = -1 EBADF (Bad file descriptor) [pid 22842] close(10) = -1 EBADF (Bad file descriptor) [pid 22842] close(11) = -1 EBADF (Bad file descriptor) [pid 22842] close(12) = -1 EBADF (Bad file descriptor) [pid 22842] close(13) = -1 EBADF (Bad file descriptor) [pid 22842] close(14) = -1 EBADF (Bad file descriptor) [pid 22842] close(15) = -1 EBADF (Bad file descriptor) [pid 22842] close(16) = -1 EBADF (Bad file descriptor) [pid 22842] close(17) = -1 EBADF (Bad file descriptor) [pid 22842] close(18) = -1 EBADF (Bad file descriptor) [pid 22842] close(19) = -1 EBADF (Bad file descriptor) [pid 22842] close(20) = -1 EBADF (Bad file descriptor) [pid 22842] close(21) = -1 EBADF (Bad file descriptor) [pid 22842] close(22) = -1 EBADF (Bad file descriptor) [pid 22842] close(23) = -1 EBADF (Bad file descriptor) [pid 22842] close(24) = -1 EBADF (Bad file descriptor) [pid 22842] close(25) = -1 EBADF (Bad file descriptor) [pid 22842] close(26) = -1 EBADF (Bad file descriptor) [pid 22842] close(27) = -1 EBADF (Bad file descriptor) [pid 22842] close(28) = -1 EBADF (Bad file descriptor) [pid 22842] close(29) = -1 EBADF (Bad file descriptor) [pid 22842] exit_group(0 [pid 22843] <... futex resumed>) = ? [pid 22842] <... exit_group resumed>) = ? [pid 22843] +++ exited with 0 +++ [pid 22842] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7748", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7748/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7748/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7748/cgroup.cpu") = 0 [pid 287] umount2("./7748/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7748/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7748/binderfs") = 0 [pid 287] umount2("./7748/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7748/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7748/cgroup") = 0 [pid 287] umount2("./7748/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7748/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7748/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7748") = 0 [pid 287] mkdir("./7749", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22844 attached [pid 22844] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22431 [pid 22844] chdir("./7749") = 0 [pid 22844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22844] setpgid(0, 0) = 0 [pid 22844] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22844] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22844] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22844] write(3, "1000", 4) = 4 [pid 22844] close(3) = 0 [pid 22844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22844] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22844] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22844] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22845 attached [pid 22845] set_robust_list(0x7f3b956fb9a0, 24 [pid 22844] <... clone3 resumed> => {parent_tid=[22432]}, 88) = 22432 [pid 22844] rt_sigprocmask(SIG_SETMASK, [], [pid 22845] <... set_robust_list resumed>) = 0 [pid 22844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22845] rt_sigprocmask(SIG_SETMASK, [], [pid 22844] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22844] <... futex resumed>) = 0 [pid 22844] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22845] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22845] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22844] <... futex resumed>) = 0 [pid 22845] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22844] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22844] <... futex resumed>) = 0 [pid 22845] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22844] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22845] <... bpf resumed>) = 4 [pid 22845] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22844] <... futex resumed>) = 0 [pid 22845] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22844] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22844] <... futex resumed>) = 0 [pid 22845] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22844] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22845] <... bpf resumed>) = 0 [pid 22844] <... futex resumed>) = 0 [pid 22845] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22845] <... futex resumed>) = 0 [pid 22844] <... mmap resumed>) = 0x7f3b956ba000 [pid 22845] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22844] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22846 attached [pid 22846] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22844] <... clone3 resumed> => {parent_tid=[22433]}, 88) = 22433 [pid 22846] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22844] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22846] <... futex resumed>) = 0 [pid 22844] <... futex resumed>) = 1 [pid 22846] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22844] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22846] <... bpf resumed>) = 5 [pid 22846] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22844] <... futex resumed>) = 0 [pid 22846] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22844] close(3) = 0 [pid 22844] close(4) = 0 [pid 22844] close(5) = 0 [pid 22844] close(6) = -1 EBADF (Bad file descriptor) [pid 22844] close(7) = -1 EBADF (Bad file descriptor) [pid 22844] close(8) = -1 EBADF (Bad file descriptor) [pid 22844] close(9) = -1 EBADF (Bad file descriptor) [pid 22844] close(10) = -1 EBADF (Bad file descriptor) [pid 22844] close(11) = -1 EBADF (Bad file descriptor) [pid 22844] close(12) = -1 EBADF (Bad file descriptor) [pid 22844] close(13) = -1 EBADF (Bad file descriptor) [pid 22844] close(14) = -1 EBADF (Bad file descriptor) [pid 22844] close(15) = -1 EBADF (Bad file descriptor) [pid 22844] close(16) = -1 EBADF (Bad file descriptor) [pid 22844] close(17) = -1 EBADF (Bad file descriptor) [pid 22844] close(18) = -1 EBADF (Bad file descriptor) [pid 22844] close(19) = -1 EBADF (Bad file descriptor) [pid 22844] close(20) = -1 EBADF (Bad file descriptor) [pid 22844] close(21) = -1 EBADF (Bad file descriptor) [pid 22844] close(22) = -1 EBADF (Bad file descriptor) [pid 22844] close(23) = -1 EBADF (Bad file descriptor) [pid 22844] close(24) = -1 EBADF (Bad file descriptor) [pid 22844] close(25) = -1 EBADF (Bad file descriptor) [pid 22844] close(26) = -1 EBADF (Bad file descriptor) [pid 22844] close(27) = -1 EBADF (Bad file descriptor) [pid 22844] close(28) = -1 EBADF (Bad file descriptor) [pid 22844] close(29) = -1 EBADF (Bad file descriptor) [pid 22844] exit_group(0 [pid 22846] <... futex resumed>) = ? [pid 22845] <... futex resumed>) = ? [pid 22844] <... exit_group resumed>) = ? [pid 22846] +++ exited with 0 +++ [pid 22845] +++ exited with 0 +++ [pid 22844] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7749", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7749/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7749/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7749/cgroup.cpu") = 0 [pid 287] umount2("./7749/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7749/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7749/binderfs") = 0 [pid 287] umount2("./7749/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7749/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7749/cgroup") = 0 [pid 287] umount2("./7749/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7749/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7749/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7749") = 0 [pid 287] mkdir("./7750", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22847 attached [pid 22847] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22847] chdir("./7750") = 0 [pid 22847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22847] setpgid(0, 0) = 0 [pid 22847] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22434 [pid 22847] <... symlink resumed>) = 0 [pid 22847] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22847] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22847] write(3, "1000", 4) = 4 [pid 22847] close(3) = 0 [pid 22847] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22847] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22847] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22847] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22435]}, 88) = 22435 [pid 22847] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 22848 attached NULL, 8) = 0 [pid 22848] set_robust_list(0x7f3b956fb9a0, 24 [pid 22847] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22848] <... set_robust_list resumed>) = 0 [pid 22847] <... futex resumed>) = 0 [pid 22848] rt_sigprocmask(SIG_SETMASK, [], [pid 22847] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22848] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22847] <... futex resumed>) = 0 [pid 22848] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22847] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22847] <... futex resumed>) = 0 [pid 22848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22847] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22848] <... bpf resumed>) = 4 [pid 22848] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22847] <... futex resumed>) = 0 [pid 22848] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22847] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22847] <... futex resumed>) = 0 [pid 22848] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22847] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22848] <... bpf resumed>) = 0 [pid 22847] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22848] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22847] <... mprotect resumed>) = 0 [pid 22848] <... futex resumed>) = 0 [pid 22847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22848] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22849 attached [pid 22849] set_robust_list(0x7f3b956da9a0, 24 [pid 22847] <... clone3 resumed> => {parent_tid=[22436]}, 88) = 22436 [pid 22849] <... set_robust_list resumed>) = 0 [pid 22847] rt_sigprocmask(SIG_SETMASK, [], [pid 22849] rt_sigprocmask(SIG_SETMASK, [], [pid 22847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22847] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22847] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22849] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22847] <... futex resumed>) = 0 [pid 22847] close(3 [pid 22849] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22847] <... close resumed>) = 0 [pid 22847] close(4) = 0 [pid 22847] close(5) = 0 [pid 22847] close(6) = -1 EBADF (Bad file descriptor) [pid 22847] close(7) = -1 EBADF (Bad file descriptor) [pid 22847] close(8) = -1 EBADF (Bad file descriptor) [pid 22847] close(9) = -1 EBADF (Bad file descriptor) [pid 22847] close(10) = -1 EBADF (Bad file descriptor) [pid 22847] close(11) = -1 EBADF (Bad file descriptor) [pid 22847] close(12) = -1 EBADF (Bad file descriptor) [pid 22847] close(13) = -1 EBADF (Bad file descriptor) [pid 22847] close(14) = -1 EBADF (Bad file descriptor) [pid 22847] close(15) = -1 EBADF (Bad file descriptor) [pid 22847] close(16) = -1 EBADF (Bad file descriptor) [pid 22847] close(17) = -1 EBADF (Bad file descriptor) [pid 22847] close(18) = -1 EBADF (Bad file descriptor) [pid 22847] close(19) = -1 EBADF (Bad file descriptor) [pid 22847] close(20) = -1 EBADF (Bad file descriptor) [pid 22847] close(21) = -1 EBADF (Bad file descriptor) [pid 22847] close(22) = -1 EBADF (Bad file descriptor) [pid 22847] close(23) = -1 EBADF (Bad file descriptor) [pid 22847] close(24) = -1 EBADF (Bad file descriptor) [pid 22847] close(25) = -1 EBADF (Bad file descriptor) [pid 22847] close(26) = -1 EBADF (Bad file descriptor) [pid 22847] close(27) = -1 EBADF (Bad file descriptor) [pid 22847] close(28) = -1 EBADF (Bad file descriptor) [pid 22847] close(29) = -1 EBADF (Bad file descriptor) [pid 22847] exit_group(0 [pid 22848] <... futex resumed>) = ? [pid 22847] <... exit_group resumed>) = ? [pid 22848] +++ exited with 0 +++ [pid 22849] <... futex resumed>) = ? [pid 22849] +++ exited with 0 +++ [pid 22847] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7750", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7750/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7750/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7750/cgroup.cpu") = 0 [pid 287] umount2("./7750/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7750/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7750/binderfs") = 0 [pid 287] umount2("./7750/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7750/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7750/cgroup") = 0 [pid 287] umount2("./7750/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7750/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7750/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7750") = 0 [pid 287] mkdir("./7751", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22437 ./strace-static-x86_64: Process 22850 attached [pid 22850] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22850] chdir("./7751") = 0 [pid 22850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22850] setpgid(0, 0) = 0 [pid 22850] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22850] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22850] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22850] write(3, "1000", 4) = 4 [pid 22850] close(3) = 0 [pid 22850] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22850] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22850] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22850] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22851 attached [pid 22851] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22850] <... clone3 resumed> => {parent_tid=[22438]}, 88) = 22438 [pid 22851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22850] rt_sigprocmask(SIG_SETMASK, [], [pid 22851] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22850] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22851] <... futex resumed>) = 0 [pid 22850] <... futex resumed>) = 1 [pid 22851] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22850] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22851] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22851] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22850] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22850] <... futex resumed>) = 0 [pid 22851] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22851] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22850] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22850] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22851] <... futex resumed>) = 0 [pid 22850] <... futex resumed>) = 1 [pid 22851] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22850] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22851] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22850] <... futex resumed>) = 0 [pid 22851] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22850] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22852 attached [pid 22852] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22852] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22850] <... clone3 resumed> => {parent_tid=[22439]}, 88) = 22439 [pid 22850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22850] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22852] <... futex resumed>) = 0 [pid 22850] <... futex resumed>) = 1 [pid 22852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22850] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22852] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22852] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22850] close(3) = 0 [pid 22850] close(4) = 0 [pid 22850] close(5) = 0 [pid 22850] close(6) = -1 EBADF (Bad file descriptor) [pid 22850] close(7) = -1 EBADF (Bad file descriptor) [pid 22850] close(8) = -1 EBADF (Bad file descriptor) [pid 22850] close(9) = -1 EBADF (Bad file descriptor) [pid 22850] close(10) = -1 EBADF (Bad file descriptor) [pid 22850] close(11) = -1 EBADF (Bad file descriptor) [pid 22850] close(12) = -1 EBADF (Bad file descriptor) [pid 22850] close(13) = -1 EBADF (Bad file descriptor) [pid 22850] close(14) = -1 EBADF (Bad file descriptor) [pid 22850] close(15) = -1 EBADF (Bad file descriptor) [pid 22850] close(16) = -1 EBADF (Bad file descriptor) [pid 22850] close(17) = -1 EBADF (Bad file descriptor) [pid 22850] close(18) = -1 EBADF (Bad file descriptor) [pid 22850] close(19) = -1 EBADF (Bad file descriptor) [pid 22850] close(20) = -1 EBADF (Bad file descriptor) [pid 22850] close(21) = -1 EBADF (Bad file descriptor) [pid 22850] close(22) = -1 EBADF (Bad file descriptor) [pid 22850] close(23) = -1 EBADF (Bad file descriptor) [pid 22850] close(24) = -1 EBADF (Bad file descriptor) [pid 22850] close(25) = -1 EBADF (Bad file descriptor) [pid 22850] close(26) = -1 EBADF (Bad file descriptor) [pid 22850] close(27) = -1 EBADF (Bad file descriptor) [pid 22850] close(28) = -1 EBADF (Bad file descriptor) [pid 22850] close(29) = -1 EBADF (Bad file descriptor) [pid 22850] exit_group(0 [pid 22852] <... futex resumed>) = ? [pid 22851] <... futex resumed>) = ? [pid 22850] <... exit_group resumed>) = ? [pid 22852] +++ exited with 0 +++ [pid 22851] +++ exited with 0 +++ [pid 22850] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22437, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7751", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7751/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7751/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7751/cgroup.cpu") = 0 [pid 287] umount2("./7751/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7751/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7751/binderfs") = 0 [pid 287] umount2("./7751/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7751/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7751/cgroup") = 0 [pid 287] umount2("./7751/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7751/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7751/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7751") = 0 [pid 287] mkdir("./7752", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22853 attached [pid 22853] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22853] chdir("./7752" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22440 [pid 22853] <... chdir resumed>) = 0 [pid 22853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22853] setpgid(0, 0) = 0 [pid 22853] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22853] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22853] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22853] write(3, "1000", 4) = 4 [pid 22853] close(3) = 0 [pid 22853] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22853] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22853] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22853] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22853] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22441]}, 88) = 22441 ./strace-static-x86_64: Process 22854 attached [pid 22853] rt_sigprocmask(SIG_SETMASK, [], [pid 22854] set_robust_list(0x7f3b956fb9a0, 24 [pid 22853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22853] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22854] <... set_robust_list resumed>) = 0 [pid 22853] <... futex resumed>) = 0 [pid 22854] rt_sigprocmask(SIG_SETMASK, [], [pid 22853] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22854] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22854] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22853] <... futex resumed>) = 0 [pid 22853] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22854] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22853] <... futex resumed>) = 0 [pid 22854] <... bpf resumed>) = 4 [pid 22853] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22854] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22853] <... futex resumed>) = 0 [pid 22853] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22853] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22853] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22853] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22854] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22853] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22854] <... bpf resumed>) = 0 [pid 22853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22855 attached [pid 22854] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22855] set_robust_list(0x7f3b956da9a0, 24 [pid 22853] <... clone3 resumed> => {parent_tid=[22442]}, 88) = 22442 [pid 22855] <... set_robust_list resumed>) = 0 [pid 22853] rt_sigprocmask(SIG_SETMASK, [], [pid 22855] rt_sigprocmask(SIG_SETMASK, [], [pid 22853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22853] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22853] <... futex resumed>) = 0 [pid 22855] <... bpf resumed>) = 5 [pid 22854] <... futex resumed>) = 0 [pid 22853] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22855] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22855] <... futex resumed>) = 0 [pid 22854] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22853] close(3 [pid 22855] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22853] <... close resumed>) = 0 [pid 22853] close(4) = 0 [pid 22853] close(5) = 0 [pid 22853] close(6) = -1 EBADF (Bad file descriptor) [pid 22853] close(7) = -1 EBADF (Bad file descriptor) [pid 22853] close(8) = -1 EBADF (Bad file descriptor) [pid 22853] close(9) = -1 EBADF (Bad file descriptor) [pid 22853] close(10) = -1 EBADF (Bad file descriptor) [pid 22853] close(11) = -1 EBADF (Bad file descriptor) [pid 22853] close(12) = -1 EBADF (Bad file descriptor) [pid 22853] close(13) = -1 EBADF (Bad file descriptor) [pid 22853] close(14) = -1 EBADF (Bad file descriptor) [pid 22853] close(15) = -1 EBADF (Bad file descriptor) [pid 22853] close(16) = -1 EBADF (Bad file descriptor) [pid 22853] close(17) = -1 EBADF (Bad file descriptor) [pid 22853] close(18) = -1 EBADF (Bad file descriptor) [pid 22853] close(19) = -1 EBADF (Bad file descriptor) [pid 22853] close(20) = -1 EBADF (Bad file descriptor) [pid 22853] close(21) = -1 EBADF (Bad file descriptor) [pid 22853] close(22) = -1 EBADF (Bad file descriptor) [pid 22853] close(23) = -1 EBADF (Bad file descriptor) [pid 22853] close(24) = -1 EBADF (Bad file descriptor) [pid 22853] close(25) = -1 EBADF (Bad file descriptor) [pid 22853] close(26) = -1 EBADF (Bad file descriptor) [pid 22853] close(27) = -1 EBADF (Bad file descriptor) [pid 22853] close(28) = -1 EBADF (Bad file descriptor) [pid 22853] close(29) = -1 EBADF (Bad file descriptor) [pid 22853] exit_group(0 [pid 22855] <... futex resumed>) = ? [pid 22853] <... exit_group resumed>) = ? [pid 22855] +++ exited with 0 +++ [pid 22854] <... futex resumed>) = ? [pid 22854] +++ exited with 0 +++ [pid 22853] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7752", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7752/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7752/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7752/cgroup.cpu") = 0 [pid 287] umount2("./7752/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7752/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7752/binderfs") = 0 [pid 287] umount2("./7752/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7752/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7752/cgroup") = 0 [pid 287] umount2("./7752/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7752/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7752/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7752") = 0 [pid 287] mkdir("./7753", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22856 attached [pid 22856] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22856] chdir("./7753") = 0 [pid 22856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22856] setpgid(0, 0) = 0 [pid 22856] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22443 [pid 22856] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22856] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22856] write(3, "1000", 4) = 4 [pid 22856] close(3) = 0 [pid 22856] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22856] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22856] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22856] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22857 attached [pid 22857] set_robust_list(0x7f3b956fb9a0, 24 [pid 22856] <... clone3 resumed> => {parent_tid=[22444]}, 88) = 22444 [pid 22857] <... set_robust_list resumed>) = 0 [pid 22856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22856] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22857] rt_sigprocmask(SIG_SETMASK, [], [pid 22856] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22857] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22857] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22856] <... futex resumed>) = 0 [pid 22857] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22856] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22856] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22857] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22857] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22856] <... futex resumed>) = 0 [pid 22857] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22856] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22856] <... futex resumed>) = 0 [pid 22857] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22856] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22857] <... bpf resumed>) = 0 [pid 22856] <... futex resumed>) = 0 [pid 22857] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22857] <... futex resumed>) = 0 [pid 22856] <... mmap resumed>) = 0x7f3b956ba000 [pid 22857] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22856] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22858 attached [pid 22858] set_robust_list(0x7f3b956da9a0, 24 [pid 22856] <... clone3 resumed> => {parent_tid=[22445]}, 88) = 22445 [pid 22858] <... set_robust_list resumed>) = 0 [pid 22856] rt_sigprocmask(SIG_SETMASK, [], [pid 22858] rt_sigprocmask(SIG_SETMASK, [], [pid 22856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22858] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22856] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22856] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22858] <... bpf resumed>) = 5 [pid 22858] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22856] <... futex resumed>) = 0 [pid 22858] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22856] close(3) = 0 [pid 22856] close(4) = 0 [pid 22856] close(5) = 0 [pid 22856] close(6) = -1 EBADF (Bad file descriptor) [pid 22856] close(7) = -1 EBADF (Bad file descriptor) [pid 22856] close(8) = -1 EBADF (Bad file descriptor) [pid 22856] close(9) = -1 EBADF (Bad file descriptor) [pid 22856] close(10) = -1 EBADF (Bad file descriptor) [pid 22856] close(11) = -1 EBADF (Bad file descriptor) [pid 22856] close(12) = -1 EBADF (Bad file descriptor) [pid 22856] close(13) = -1 EBADF (Bad file descriptor) [pid 22856] close(14) = -1 EBADF (Bad file descriptor) [pid 22856] close(15) = -1 EBADF (Bad file descriptor) [pid 22856] close(16) = -1 EBADF (Bad file descriptor) [pid 22856] close(17) = -1 EBADF (Bad file descriptor) [pid 22856] close(18) = -1 EBADF (Bad file descriptor) [pid 22856] close(19) = -1 EBADF (Bad file descriptor) [pid 22856] close(20) = -1 EBADF (Bad file descriptor) [pid 22856] close(21) = -1 EBADF (Bad file descriptor) [pid 22856] close(22) = -1 EBADF (Bad file descriptor) [pid 22856] close(23) = -1 EBADF (Bad file descriptor) [pid 22856] close(24) = -1 EBADF (Bad file descriptor) [pid 22856] close(25) = -1 EBADF (Bad file descriptor) [pid 22856] close(26) = -1 EBADF (Bad file descriptor) [pid 22856] close(27) = -1 EBADF (Bad file descriptor) [pid 22856] close(28) = -1 EBADF (Bad file descriptor) [pid 22856] close(29) = -1 EBADF (Bad file descriptor) [pid 22856] exit_group(0 [pid 22858] <... futex resumed>) = ? [pid 22857] <... futex resumed>) = ? [pid 22856] <... exit_group resumed>) = ? [pid 22858] +++ exited with 0 +++ [pid 22857] +++ exited with 0 +++ [pid 22856] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7753", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7753/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7753/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7753/cgroup.cpu") = 0 [pid 287] umount2("./7753/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7753/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7753/binderfs") = 0 [pid 287] umount2("./7753/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7753/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7753/cgroup") = 0 [pid 287] umount2("./7753/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7753/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7753/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7753") = 0 [pid 287] mkdir("./7754", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22859 attached [pid 22859] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22446 [pid 22859] chdir("./7754") = 0 [pid 22859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22859] setpgid(0, 0) = 0 [pid 22859] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22859] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22859] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22859] write(3, "1000", 4) = 4 [pid 22859] close(3) = 0 [pid 22859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22859] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22859] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22859] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22860 attached => {parent_tid=[22447]}, 88) = 22447 [pid 22860] set_robust_list(0x7f3b956fb9a0, 24 [pid 22859] rt_sigprocmask(SIG_SETMASK, [], [pid 22860] <... set_robust_list resumed>) = 0 [pid 22859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22860] rt_sigprocmask(SIG_SETMASK, [], [pid 22859] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22859] <... futex resumed>) = 0 [pid 22859] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22860] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22859] <... futex resumed>) = 0 [pid 22860] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22859] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22859] <... futex resumed>) = 0 [pid 22860] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22859] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22860] <... bpf resumed>) = 4 [pid 22860] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22859] <... futex resumed>) = 0 [pid 22860] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22859] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22859] <... futex resumed>) = 0 [pid 22860] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22859] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22860] <... bpf resumed>) = 0 [pid 22859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22860] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22859] <... mmap resumed>) = 0x7f3b956ba000 [pid 22860] <... futex resumed>) = 0 [pid 22859] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22860] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22859] <... mprotect resumed>) = 0 [pid 22859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22861 attached [pid 22861] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22859] <... clone3 resumed> => {parent_tid=[22448]}, 88) = 22448 [pid 22861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22859] rt_sigprocmask(SIG_SETMASK, [], [pid 22861] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22859] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22861] <... futex resumed>) = 0 [pid 22859] <... futex resumed>) = 1 [pid 22861] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22859] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22861] <... bpf resumed>) = 5 [pid 22861] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22859] <... futex resumed>) = 0 [pid 22861] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22859] close(3) = 0 [pid 22859] close(4) = 0 [pid 22859] close(5) = 0 [pid 22859] close(6) = -1 EBADF (Bad file descriptor) [pid 22859] close(7) = -1 EBADF (Bad file descriptor) [pid 22859] close(8) = -1 EBADF (Bad file descriptor) [pid 22859] close(9) = -1 EBADF (Bad file descriptor) [pid 22859] close(10) = -1 EBADF (Bad file descriptor) [pid 22859] close(11) = -1 EBADF (Bad file descriptor) [pid 22859] close(12) = -1 EBADF (Bad file descriptor) [pid 22859] close(13) = -1 EBADF (Bad file descriptor) [pid 22859] close(14) = -1 EBADF (Bad file descriptor) [pid 22859] close(15) = -1 EBADF (Bad file descriptor) [pid 22859] close(16) = -1 EBADF (Bad file descriptor) [pid 22859] close(17) = -1 EBADF (Bad file descriptor) [pid 22859] close(18) = -1 EBADF (Bad file descriptor) [pid 22859] close(19) = -1 EBADF (Bad file descriptor) [pid 22859] close(20) = -1 EBADF (Bad file descriptor) [pid 22859] close(21) = -1 EBADF (Bad file descriptor) [pid 22859] close(22) = -1 EBADF (Bad file descriptor) [pid 22859] close(23) = -1 EBADF (Bad file descriptor) [pid 22859] close(24) = -1 EBADF (Bad file descriptor) [pid 22859] close(25) = -1 EBADF (Bad file descriptor) [pid 22859] close(26) = -1 EBADF (Bad file descriptor) [pid 22859] close(27) = -1 EBADF (Bad file descriptor) [pid 22859] close(28) = -1 EBADF (Bad file descriptor) [pid 22859] close(29) = -1 EBADF (Bad file descriptor) [pid 22859] exit_group(0 [pid 22861] <... futex resumed>) = ? [pid 22859] <... exit_group resumed>) = ? [pid 22861] +++ exited with 0 +++ [pid 22860] <... futex resumed>) = ? [pid 22860] +++ exited with 0 +++ [pid 22859] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7754", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7754/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7754/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7754/cgroup.cpu") = 0 [pid 287] umount2("./7754/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7754/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7754/binderfs") = 0 [pid 287] umount2("./7754/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7754/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7754/cgroup") = 0 [pid 287] umount2("./7754/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7754/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7754/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7754") = 0 [pid 287] mkdir("./7755", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22862 attached [pid 22862] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22862] chdir("./7755" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22449 [pid 22862] <... chdir resumed>) = 0 [pid 22862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22862] setpgid(0, 0) = 0 [pid 22862] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22862] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22862] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22862] write(3, "1000", 4) = 4 [pid 22862] close(3) = 0 [pid 22862] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22862] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22862] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22862] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22863 attached [pid 22863] set_robust_list(0x7f3b956fb9a0, 24 [pid 22862] <... clone3 resumed> => {parent_tid=[22450]}, 88) = 22450 [pid 22863] <... set_robust_list resumed>) = 0 [pid 22862] rt_sigprocmask(SIG_SETMASK, [], [pid 22863] rt_sigprocmask(SIG_SETMASK, [], [pid 22862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22862] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22862] <... futex resumed>) = 0 [pid 22863] <... bpf resumed>) = 3 [pid 22862] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22863] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22863] <... futex resumed>) = 0 [pid 22862] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22862] <... futex resumed>) = 0 [pid 22863] <... bpf resumed>) = 4 [pid 22862] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22863] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22863] <... futex resumed>) = 0 [pid 22862] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22863] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22862] <... futex resumed>) = 0 [pid 22863] <... bpf resumed>) = 0 [pid 22862] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22863] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22862] <... futex resumed>) = 0 [pid 22863] <... futex resumed>) = 0 [pid 22862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22863] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22862] <... mmap resumed>) = 0x7f3b956ba000 [pid 22862] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22864 attached => {parent_tid=[22451]}, 88) = 22451 [pid 22864] set_robust_list(0x7f3b956da9a0, 24 [pid 22862] rt_sigprocmask(SIG_SETMASK, [], [pid 22864] <... set_robust_list resumed>) = 0 [pid 22862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22864] rt_sigprocmask(SIG_SETMASK, [], [pid 22862] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22862] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22864] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22864] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22862] <... futex resumed>) = 0 [pid 22864] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22862] close(3) = 0 [pid 22862] close(4) = 0 [pid 22862] close(5) = 0 [pid 22862] close(6) = -1 EBADF (Bad file descriptor) [pid 22862] close(7) = -1 EBADF (Bad file descriptor) [pid 22862] close(8) = -1 EBADF (Bad file descriptor) [pid 22862] close(9) = -1 EBADF (Bad file descriptor) [pid 22862] close(10) = -1 EBADF (Bad file descriptor) [pid 22862] close(11) = -1 EBADF (Bad file descriptor) [pid 22862] close(12) = -1 EBADF (Bad file descriptor) [pid 22862] close(13) = -1 EBADF (Bad file descriptor) [pid 22862] close(14) = -1 EBADF (Bad file descriptor) [pid 22862] close(15) = -1 EBADF (Bad file descriptor) [pid 22862] close(16) = -1 EBADF (Bad file descriptor) [pid 22862] close(17) = -1 EBADF (Bad file descriptor) [pid 22862] close(18) = -1 EBADF (Bad file descriptor) [pid 22862] close(19) = -1 EBADF (Bad file descriptor) [pid 22862] close(20) = -1 EBADF (Bad file descriptor) [pid 22862] close(21) = -1 EBADF (Bad file descriptor) [pid 22862] close(22) = -1 EBADF (Bad file descriptor) [pid 22862] close(23) = -1 EBADF (Bad file descriptor) [pid 22862] close(24) = -1 EBADF (Bad file descriptor) [pid 22862] close(25) = -1 EBADF (Bad file descriptor) [pid 22862] close(26) = -1 EBADF (Bad file descriptor) [pid 22862] close(27) = -1 EBADF (Bad file descriptor) [pid 22862] close(28) = -1 EBADF (Bad file descriptor) [pid 22862] close(29) = -1 EBADF (Bad file descriptor) [pid 22862] exit_group(0) = ? [pid 22864] <... futex resumed>) = ? [pid 22863] <... futex resumed>) = ? [pid 22864] +++ exited with 0 +++ [pid 22863] +++ exited with 0 +++ [pid 22862] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7755", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7755/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7755/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7755/cgroup.cpu") = 0 [pid 287] umount2("./7755/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7755/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7755/binderfs") = 0 [pid 287] umount2("./7755/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7755/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7755/cgroup") = 0 [pid 287] umount2("./7755/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7755/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7755/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7755") = 0 [pid 287] mkdir("./7756", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22865 attached [pid 22865] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22452 [pid 22865] chdir("./7756") = 0 [pid 22865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22865] setpgid(0, 0) = 0 [pid 22865] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22865] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22865] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22865] write(3, "1000", 4) = 4 [pid 22865] close(3) = 0 [pid 22865] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22865] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22865] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22865] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22865] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22866 attached [pid 22866] set_robust_list(0x7f3b956fb9a0, 24 [pid 22865] <... clone3 resumed> => {parent_tid=[22453]}, 88) = 22453 [pid 22866] <... set_robust_list resumed>) = 0 [pid 22865] rt_sigprocmask(SIG_SETMASK, [], [pid 22866] rt_sigprocmask(SIG_SETMASK, [], [pid 22865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22865] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22865] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22866] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22865] <... futex resumed>) = 0 [pid 22865] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22866] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22865] <... futex resumed>) = 0 [pid 22865] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22866] <... bpf resumed>) = 4 [pid 22866] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22865] <... futex resumed>) = 0 [pid 22866] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22865] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22865] <... futex resumed>) = 0 [pid 22866] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22865] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22866] <... bpf resumed>) = 0 [pid 22865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22866] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22865] <... mmap resumed>) = 0x7f3b956ba000 [pid 22866] <... futex resumed>) = 0 [pid 22865] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22866] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22865] <... mprotect resumed>) = 0 [pid 22865] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22454]}, 88) = 22454 [pid 22865] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 22867 attached [pid 22867] set_robust_list(0x7f3b956da9a0, 24 [pid 22865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22867] <... set_robust_list resumed>) = 0 [pid 22867] rt_sigprocmask(SIG_SETMASK, [], [pid 22865] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22865] <... futex resumed>) = 0 [pid 22865] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22867] <... bpf resumed>) = 5 [pid 22867] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22867] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22865] <... futex resumed>) = 0 [pid 22865] close(3) = 0 [pid 22865] close(4) = 0 [pid 22865] close(5) = 0 [pid 22865] close(6) = -1 EBADF (Bad file descriptor) [pid 22865] close(7) = -1 EBADF (Bad file descriptor) [pid 22865] close(8) = -1 EBADF (Bad file descriptor) [pid 22865] close(9) = -1 EBADF (Bad file descriptor) [pid 22865] close(10) = -1 EBADF (Bad file descriptor) [pid 22865] close(11) = -1 EBADF (Bad file descriptor) [pid 22865] close(12) = -1 EBADF (Bad file descriptor) [pid 22865] close(13) = -1 EBADF (Bad file descriptor) [pid 22865] close(14) = -1 EBADF (Bad file descriptor) [pid 22865] close(15) = -1 EBADF (Bad file descriptor) [pid 22865] close(16) = -1 EBADF (Bad file descriptor) [pid 22865] close(17) = -1 EBADF (Bad file descriptor) [pid 22865] close(18) = -1 EBADF (Bad file descriptor) [pid 22865] close(19) = -1 EBADF (Bad file descriptor) [pid 22865] close(20) = -1 EBADF (Bad file descriptor) [pid 22865] close(21) = -1 EBADF (Bad file descriptor) [pid 22865] close(22) = -1 EBADF (Bad file descriptor) [pid 22865] close(23) = -1 EBADF (Bad file descriptor) [pid 22865] close(24) = -1 EBADF (Bad file descriptor) [pid 22865] close(25) = -1 EBADF (Bad file descriptor) [pid 22865] close(26) = -1 EBADF (Bad file descriptor) [pid 22865] close(27) = -1 EBADF (Bad file descriptor) [pid 22865] close(28) = -1 EBADF (Bad file descriptor) [pid 22865] close(29) = -1 EBADF (Bad file descriptor) [pid 22865] exit_group(0 [pid 22867] <... futex resumed>) = ? [pid 22866] <... futex resumed>) = ? [pid 22865] <... exit_group resumed>) = ? [pid 22867] +++ exited with 0 +++ [pid 22866] +++ exited with 0 +++ [pid 22865] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7756", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7756/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7756/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7756/cgroup.cpu") = 0 [pid 287] umount2("./7756/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7756/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7756/binderfs") = 0 [pid 287] umount2("./7756/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7756/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7756/cgroup") = 0 [pid 287] umount2("./7756/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7756/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7756/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7756") = 0 [pid 287] mkdir("./7757", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22868 attached [pid 22868] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22868] chdir("./7757") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22455 [pid 22868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22868] setpgid(0, 0) = 0 [pid 22868] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22868] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22868] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22868] write(3, "1000", 4) = 4 [pid 22868] close(3) = 0 [pid 22868] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22868] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22868] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22868] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22869 attached [pid 22869] set_robust_list(0x7f3b956fb9a0, 24 [pid 22868] <... clone3 resumed> => {parent_tid=[22456]}, 88) = 22456 [pid 22869] <... set_robust_list resumed>) = 0 [pid 22868] rt_sigprocmask(SIG_SETMASK, [], [pid 22869] rt_sigprocmask(SIG_SETMASK, [], [pid 22868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22868] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22868] <... futex resumed>) = 0 [pid 22869] <... bpf resumed>) = 3 [pid 22868] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22869] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22869] <... futex resumed>) = 0 [pid 22868] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22868] <... futex resumed>) = 0 [pid 22869] <... bpf resumed>) = 4 [pid 22868] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22869] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22869] <... futex resumed>) = 0 [pid 22868] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22869] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22868] <... futex resumed>) = 0 [pid 22869] <... bpf resumed>) = 0 [pid 22868] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22869] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22868] <... futex resumed>) = 0 [pid 22869] <... futex resumed>) = 0 [pid 22868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22869] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22868] <... mmap resumed>) = 0x7f3b956ba000 [pid 22868] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22870 attached => {parent_tid=[22457]}, 88) = 22457 [pid 22870] set_robust_list(0x7f3b956da9a0, 24 [pid 22868] rt_sigprocmask(SIG_SETMASK, [], [pid 22870] <... set_robust_list resumed>) = 0 [pid 22868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22868] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22868] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22870] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22870] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22868] <... futex resumed>) = 0 [pid 22870] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22868] close(3) = 0 [pid 22868] close(4) = 0 [pid 22868] close(5) = 0 [pid 22868] close(6) = -1 EBADF (Bad file descriptor) [pid 22868] close(7) = -1 EBADF (Bad file descriptor) [pid 22868] close(8) = -1 EBADF (Bad file descriptor) [pid 22868] close(9) = -1 EBADF (Bad file descriptor) [pid 22868] close(10) = -1 EBADF (Bad file descriptor) [pid 22868] close(11) = -1 EBADF (Bad file descriptor) [pid 22868] close(12) = -1 EBADF (Bad file descriptor) [pid 22868] close(13) = -1 EBADF (Bad file descriptor) [pid 22868] close(14) = -1 EBADF (Bad file descriptor) [pid 22868] close(15) = -1 EBADF (Bad file descriptor) [pid 22868] close(16) = -1 EBADF (Bad file descriptor) [pid 22868] close(17) = -1 EBADF (Bad file descriptor) [pid 22868] close(18) = -1 EBADF (Bad file descriptor) [pid 22868] close(19) = -1 EBADF (Bad file descriptor) [pid 22868] close(20) = -1 EBADF (Bad file descriptor) [pid 22868] close(21) = -1 EBADF (Bad file descriptor) [pid 22868] close(22) = -1 EBADF (Bad file descriptor) [pid 22868] close(23) = -1 EBADF (Bad file descriptor) [pid 22868] close(24) = -1 EBADF (Bad file descriptor) [pid 22868] close(25) = -1 EBADF (Bad file descriptor) [pid 22868] close(26) = -1 EBADF (Bad file descriptor) [pid 22868] close(27) = -1 EBADF (Bad file descriptor) [pid 22868] close(28) = -1 EBADF (Bad file descriptor) [pid 22868] close(29) = -1 EBADF (Bad file descriptor) [pid 22868] exit_group(0 [pid 22870] <... futex resumed>) = ? [pid 22869] <... futex resumed>) = ? [pid 22868] <... exit_group resumed>) = ? [pid 22870] +++ exited with 0 +++ [pid 22869] +++ exited with 0 +++ [pid 22868] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7757", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7757/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7757/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7757/cgroup.cpu") = 0 [pid 287] umount2("./7757/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7757/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7757/binderfs") = 0 [pid 287] umount2("./7757/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7757/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7757/cgroup") = 0 [pid 287] umount2("./7757/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7757/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7757/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7757") = 0 [pid 287] mkdir("./7758", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22871 attached [pid 22871] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22458 [pid 22871] chdir("./7758") = 0 [pid 22871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22871] setpgid(0, 0) = 0 [pid 22871] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22871] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22871] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22871] write(3, "1000", 4) = 4 [pid 22871] close(3) = 0 [pid 22871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22871] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22871] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22871] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22872 attached [pid 22872] set_robust_list(0x7f3b956fb9a0, 24 [pid 22871] <... clone3 resumed> => {parent_tid=[22459]}, 88) = 22459 [pid 22872] <... set_robust_list resumed>) = 0 [pid 22871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22872] rt_sigprocmask(SIG_SETMASK, [], [pid 22871] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22871] <... futex resumed>) = 0 [pid 22871] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22872] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22871] <... futex resumed>) = 0 [pid 22872] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22871] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22871] <... futex resumed>) = 0 [pid 22872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22871] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22872] <... bpf resumed>) = 4 [pid 22872] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22871] <... futex resumed>) = 0 [pid 22872] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22871] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22871] <... futex resumed>) = 0 [pid 22872] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22871] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22872] <... bpf resumed>) = 0 [pid 22871] <... futex resumed>) = 0 [pid 22871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22871] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22872] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22871] <... mprotect resumed>) = 0 [pid 22872] <... futex resumed>) = 0 [pid 22871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 22872] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 22871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22873 attached [pid 22873] set_robust_list(0x7f3b956da9a0, 24 [pid 22871] <... clone3 resumed> => {parent_tid=[22460]}, 88) = 22460 [pid 22873] <... set_robust_list resumed>) = 0 [pid 22871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22871] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22873] rt_sigprocmask(SIG_SETMASK, [], [pid 22871] <... futex resumed>) = 0 [pid 22873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22871] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22873] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22871] <... futex resumed>) = 0 [pid 22873] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22871] close(3) = 0 [pid 22871] close(4) = 0 [pid 22871] close(5) = 0 [pid 22871] close(6) = -1 EBADF (Bad file descriptor) [pid 22871] close(7) = -1 EBADF (Bad file descriptor) [pid 22871] close(8) = -1 EBADF (Bad file descriptor) [pid 22871] close(9) = -1 EBADF (Bad file descriptor) [pid 22871] close(10) = -1 EBADF (Bad file descriptor) [pid 22871] close(11) = -1 EBADF (Bad file descriptor) [pid 22871] close(12) = -1 EBADF (Bad file descriptor) [pid 22871] close(13) = -1 EBADF (Bad file descriptor) [pid 22871] close(14) = -1 EBADF (Bad file descriptor) [pid 22871] close(15) = -1 EBADF (Bad file descriptor) [pid 22871] close(16) = -1 EBADF (Bad file descriptor) [pid 22871] close(17) = -1 EBADF (Bad file descriptor) [pid 22871] close(18) = -1 EBADF (Bad file descriptor) [pid 22871] close(19) = -1 EBADF (Bad file descriptor) [pid 22871] close(20) = -1 EBADF (Bad file descriptor) [pid 22871] close(21) = -1 EBADF (Bad file descriptor) [pid 22871] close(22) = -1 EBADF (Bad file descriptor) [pid 22871] close(23) = -1 EBADF (Bad file descriptor) [pid 22871] close(24) = -1 EBADF (Bad file descriptor) [pid 22871] close(25) = -1 EBADF (Bad file descriptor) [pid 22871] close(26) = -1 EBADF (Bad file descriptor) [pid 22871] close(27) = -1 EBADF (Bad file descriptor) [pid 22871] close(28) = -1 EBADF (Bad file descriptor) [pid 22871] close(29) = -1 EBADF (Bad file descriptor) [pid 22871] exit_group(0 [pid 22872] <... futex resumed>) = ? [pid 22871] <... exit_group resumed>) = ? [pid 22872] +++ exited with 0 +++ [pid 22873] <... futex resumed>) = ? [pid 22873] +++ exited with 0 +++ [pid 22871] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7758", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7758/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7758/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7758/cgroup.cpu") = 0 [pid 287] umount2("./7758/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7758/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7758/binderfs") = 0 [pid 287] umount2("./7758/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7758/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7758/cgroup") = 0 [pid 287] umount2("./7758/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7758/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7758/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7758") = 0 [pid 287] mkdir("./7759", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22874 attached [pid 22874] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22874] chdir("./7759" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22461 [pid 22874] <... chdir resumed>) = 0 [pid 22874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22874] setpgid(0, 0) = 0 [pid 22874] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22874] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22874] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22874] write(3, "1000", 4) = 4 [pid 22874] close(3) = 0 [pid 22874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22874] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22874] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22874] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22876 attached [pid 22876] set_robust_list(0x7f3b956fb9a0, 24 [pid 22874] <... clone3 resumed> => {parent_tid=[22462]}, 88) = 22462 [pid 22876] <... set_robust_list resumed>) = 0 [pid 22874] rt_sigprocmask(SIG_SETMASK, [], [pid 22876] rt_sigprocmask(SIG_SETMASK, [], [pid 22874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22874] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22876] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22874] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22876] <... bpf resumed>) = 3 [pid 22876] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22874] <... futex resumed>) = 0 [pid 22876] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22874] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22874] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22876] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22876] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22874] <... futex resumed>) = 0 [pid 22876] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22874] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22876] <... futex resumed>) = 0 [pid 22874] <... futex resumed>) = 1 [pid 22876] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22874] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22876] <... bpf resumed>) = 0 [pid 22874] <... futex resumed>) = 0 [pid 22876] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22876] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22874] <... mmap resumed>) = 0x7f3b956ba000 [pid 22874] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22877 attached => {parent_tid=[22463]}, 88) = 22463 [pid 22877] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22874] rt_sigprocmask(SIG_SETMASK, [], [pid 22877] rt_sigprocmask(SIG_SETMASK, [], [pid 22874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22877] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22874] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22874] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22877] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22874] <... futex resumed>) = 0 [pid 22877] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22874] close(3) = 0 [pid 22874] close(4) = 0 [pid 22874] close(5) = 0 [pid 22874] close(6) = -1 EBADF (Bad file descriptor) [pid 22874] close(7) = -1 EBADF (Bad file descriptor) [pid 22874] close(8) = -1 EBADF (Bad file descriptor) [pid 22874] close(9) = -1 EBADF (Bad file descriptor) [pid 22874] close(10) = -1 EBADF (Bad file descriptor) [pid 22874] close(11) = -1 EBADF (Bad file descriptor) [pid 22874] close(12) = -1 EBADF (Bad file descriptor) [pid 22874] close(13) = -1 EBADF (Bad file descriptor) [pid 22874] close(14) = -1 EBADF (Bad file descriptor) [pid 22874] close(15) = -1 EBADF (Bad file descriptor) [pid 22874] close(16) = -1 EBADF (Bad file descriptor) [pid 22874] close(17) = -1 EBADF (Bad file descriptor) [pid 22874] close(18) = -1 EBADF (Bad file descriptor) [pid 22874] close(19) = -1 EBADF (Bad file descriptor) [pid 22874] close(20) = -1 EBADF (Bad file descriptor) [pid 22874] close(21) = -1 EBADF (Bad file descriptor) [pid 22874] close(22) = -1 EBADF (Bad file descriptor) [pid 22874] close(23) = -1 EBADF (Bad file descriptor) [pid 22874] close(24) = -1 EBADF (Bad file descriptor) [pid 22874] close(25) = -1 EBADF (Bad file descriptor) [pid 22874] close(26) = -1 EBADF (Bad file descriptor) [pid 22874] close(27) = -1 EBADF (Bad file descriptor) [pid 22874] close(28) = -1 EBADF (Bad file descriptor) [pid 22874] close(29) = -1 EBADF (Bad file descriptor) [pid 22874] exit_group(0) = ? [pid 22877] <... futex resumed>) = ? [pid 22876] <... futex resumed>) = ? [pid 22877] +++ exited with 0 +++ [pid 22876] +++ exited with 0 +++ [pid 22874] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22461, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7759", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7759/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7759/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7759/cgroup.cpu") = 0 [pid 287] umount2("./7759/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7759/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7759/binderfs") = 0 [pid 287] umount2("./7759/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7759/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7759/cgroup") = 0 [pid 287] umount2("./7759/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7759/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7759/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7759") = 0 [pid 287] mkdir("./7760", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22878 attached [pid 22878] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22878] chdir("./7760" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22464 [pid 22878] <... chdir resumed>) = 0 [pid 22878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22878] setpgid(0, 0) = 0 [pid 22878] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22878] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22878] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22878] write(3, "1000", 4) = 4 [pid 22878] close(3) = 0 [pid 22878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22878] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22878] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22878] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22879 attached => {parent_tid=[22465]}, 88) = 22465 [pid 22878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22878] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22878] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22879] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22879] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22878] <... futex resumed>) = 0 [pid 22879] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22878] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22878] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22879] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22878] <... futex resumed>) = 0 [pid 22878] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22878] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22878] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22879] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22880 attached [pid 22880] set_robust_list(0x7f3b956da9a0, 24 [pid 22879] <... bpf resumed>) = 0 [pid 22878] <... clone3 resumed> => {parent_tid=[22466]}, 88) = 22466 [pid 22880] <... set_robust_list resumed>) = 0 [pid 22878] rt_sigprocmask(SIG_SETMASK, [], [pid 22880] rt_sigprocmask(SIG_SETMASK, [], [pid 22878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22878] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22878] <... futex resumed>) = 0 [pid 22880] <... bpf resumed>) = 5 [pid 22879] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22878] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22880] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22880] <... futex resumed>) = 0 [pid 22878] close(3 [pid 22880] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22878] <... close resumed>) = 0 [pid 22878] close(4 [pid 22879] <... futex resumed>) = 0 [pid 22878] <... close resumed>) = 0 [pid 22878] close(5 [pid 22879] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22878] <... close resumed>) = 0 [pid 22878] close(6) = -1 EBADF (Bad file descriptor) [pid 22878] close(7) = -1 EBADF (Bad file descriptor) [pid 22878] close(8) = -1 EBADF (Bad file descriptor) [pid 22878] close(9) = -1 EBADF (Bad file descriptor) [pid 22878] close(10) = -1 EBADF (Bad file descriptor) [pid 22878] close(11) = -1 EBADF (Bad file descriptor) [pid 22878] close(12) = -1 EBADF (Bad file descriptor) [pid 22878] close(13) = -1 EBADF (Bad file descriptor) [pid 22878] close(14) = -1 EBADF (Bad file descriptor) [pid 22878] close(15) = -1 EBADF (Bad file descriptor) [pid 22878] close(16) = -1 EBADF (Bad file descriptor) [pid 22878] close(17) = -1 EBADF (Bad file descriptor) [pid 22878] close(18) = -1 EBADF (Bad file descriptor) [pid 22878] close(19) = -1 EBADF (Bad file descriptor) [pid 22878] close(20) = -1 EBADF (Bad file descriptor) [pid 22878] close(21) = -1 EBADF (Bad file descriptor) [pid 22878] close(22) = -1 EBADF (Bad file descriptor) [pid 22878] close(23) = -1 EBADF (Bad file descriptor) [pid 22878] close(24) = -1 EBADF (Bad file descriptor) [pid 22878] close(25) = -1 EBADF (Bad file descriptor) [pid 22878] close(26) = -1 EBADF (Bad file descriptor) [pid 22878] close(27) = -1 EBADF (Bad file descriptor) [pid 22878] close(28) = -1 EBADF (Bad file descriptor) [pid 22878] close(29) = -1 EBADF (Bad file descriptor) [pid 22878] exit_group(0 [pid 22880] <... futex resumed>) = ? [pid 22879] <... futex resumed>) = ? [pid 22878] <... exit_group resumed>) = ? [pid 22880] +++ exited with 0 +++ [pid 22879] +++ exited with 0 +++ [pid 22878] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7760", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7760/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7760/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7760/cgroup.cpu") = 0 [pid 287] umount2("./7760/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7760/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7760/binderfs") = 0 [pid 287] umount2("./7760/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7760/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7760/cgroup") = 0 [pid 287] umount2("./7760/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7760/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7760/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7760") = 0 [pid 287] mkdir("./7761", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22881 attached [pid 22881] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22467 [pid 22881] chdir("./7761") = 0 [pid 22881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22881] setpgid(0, 0) = 0 [pid 22881] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22881] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22881] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22881] write(3, "1000", 4) = 4 [pid 22881] close(3) = 0 [pid 22881] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22881] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22881] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22881] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22882 attached [pid 22882] set_robust_list(0x7f3b956fb9a0, 24 [pid 22881] <... clone3 resumed> => {parent_tid=[22468]}, 88) = 22468 [pid 22882] <... set_robust_list resumed>) = 0 [pid 22881] rt_sigprocmask(SIG_SETMASK, [], [pid 22882] rt_sigprocmask(SIG_SETMASK, [], [pid 22881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22881] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22881] <... futex resumed>) = 0 [pid 22881] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22882] <... bpf resumed>) = 3 [pid 22882] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22881] <... futex resumed>) = 0 [pid 22882] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22881] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22881] <... futex resumed>) = 0 [pid 22882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22881] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22882] <... bpf resumed>) = 4 [pid 22882] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22881] <... futex resumed>) = 0 [pid 22882] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22881] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22881] <... futex resumed>) = 0 [pid 22882] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22881] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22882] <... bpf resumed>) = 0 [pid 22881] <... futex resumed>) = 0 [pid 22882] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22882] <... futex resumed>) = 0 [pid 22881] <... mmap resumed>) = 0x7f3b956ba000 [pid 22882] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22881] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22883 attached => {parent_tid=[22469]}, 88) = 22469 [pid 22883] set_robust_list(0x7f3b956da9a0, 24 [pid 22881] rt_sigprocmask(SIG_SETMASK, [], [pid 22883] <... set_robust_list resumed>) = 0 [pid 22881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22883] rt_sigprocmask(SIG_SETMASK, [], [pid 22881] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22881] <... futex resumed>) = 0 [pid 22883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22881] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22883] <... bpf resumed>) = 5 [pid 22883] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22881] <... futex resumed>) = 0 [pid 22883] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22881] close(3) = 0 [pid 22881] close(4) = 0 [pid 22881] close(5) = 0 [pid 22881] close(6) = -1 EBADF (Bad file descriptor) [pid 22881] close(7) = -1 EBADF (Bad file descriptor) [pid 22881] close(8) = -1 EBADF (Bad file descriptor) [pid 22881] close(9) = -1 EBADF (Bad file descriptor) [pid 22881] close(10) = -1 EBADF (Bad file descriptor) [pid 22881] close(11) = -1 EBADF (Bad file descriptor) [pid 22881] close(12) = -1 EBADF (Bad file descriptor) [pid 22881] close(13) = -1 EBADF (Bad file descriptor) [pid 22881] close(14) = -1 EBADF (Bad file descriptor) [pid 22881] close(15) = -1 EBADF (Bad file descriptor) [pid 22881] close(16) = -1 EBADF (Bad file descriptor) [pid 22881] close(17) = -1 EBADF (Bad file descriptor) [pid 22881] close(18) = -1 EBADF (Bad file descriptor) [pid 22881] close(19) = -1 EBADF (Bad file descriptor) [pid 22881] close(20) = -1 EBADF (Bad file descriptor) [pid 22881] close(21) = -1 EBADF (Bad file descriptor) [pid 22881] close(22) = -1 EBADF (Bad file descriptor) [pid 22881] close(23) = -1 EBADF (Bad file descriptor) [pid 22881] close(24) = -1 EBADF (Bad file descriptor) [pid 22881] close(25) = -1 EBADF (Bad file descriptor) [pid 22881] close(26) = -1 EBADF (Bad file descriptor) [pid 22881] close(27) = -1 EBADF (Bad file descriptor) [pid 22881] close(28) = -1 EBADF (Bad file descriptor) [pid 22881] close(29) = -1 EBADF (Bad file descriptor) [pid 22881] exit_group(0 [pid 22882] <... futex resumed>) = ? [pid 22881] <... exit_group resumed>) = ? [pid 22883] <... futex resumed>) = ? [pid 22882] +++ exited with 0 +++ [pid 22883] +++ exited with 0 +++ [pid 22881] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7761", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7761/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7761/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7761/cgroup.cpu") = 0 [pid 287] umount2("./7761/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7761/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7761/binderfs") = 0 [pid 287] umount2("./7761/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7761/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7761/cgroup") = 0 [pid 287] umount2("./7761/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7761/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7761/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7761") = 0 [pid 287] mkdir("./7762", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22884 attached [pid 22884] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22884] chdir("./7762") = 0 [pid 22884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22884] setpgid(0, 0) = 0 [pid 22884] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22470 [pid 22884] <... symlink resumed>) = 0 [pid 22884] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22884] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22884] write(3, "1000", 4) = 4 [pid 22884] close(3) = 0 [pid 22884] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22884] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22884] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22884] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22885 attached => {parent_tid=[22471]}, 88) = 22471 [pid 22885] set_robust_list(0x7f3b956fb9a0, 24 [pid 22884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22884] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22885] <... set_robust_list resumed>) = 0 [pid 22884] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22885] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22884] <... futex resumed>) = 0 [pid 22885] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22884] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22884] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22885] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22885] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22884] <... futex resumed>) = 0 [pid 22884] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22884] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22885] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22884] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22886 attached [pid 22886] set_robust_list(0x7f3b956da9a0, 24 [pid 22884] <... clone3 resumed> => {parent_tid=[22472]}, 88) = 22472 [pid 22886] <... set_robust_list resumed>) = 0 [pid 22884] rt_sigprocmask(SIG_SETMASK, [], [pid 22886] rt_sigprocmask(SIG_SETMASK, [], [pid 22884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22884] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22884] <... futex resumed>) = 0 [pid 22886] <... bpf resumed>) = 5 [pid 22885] <... bpf resumed>) = 0 [pid 22884] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22886] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22886] <... futex resumed>) = 0 [pid 22885] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22884] close(3 [pid 22886] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22884] <... close resumed>) = 0 [pid 22885] <... futex resumed>) = 0 [pid 22884] close(4) = 0 [pid 22885] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22884] close(5) = 0 [pid 22884] close(6) = -1 EBADF (Bad file descriptor) [pid 22884] close(7) = -1 EBADF (Bad file descriptor) [pid 22884] close(8) = -1 EBADF (Bad file descriptor) [pid 22884] close(9) = -1 EBADF (Bad file descriptor) [pid 22884] close(10) = -1 EBADF (Bad file descriptor) [pid 22884] close(11) = -1 EBADF (Bad file descriptor) [pid 22884] close(12) = -1 EBADF (Bad file descriptor) [pid 22884] close(13) = -1 EBADF (Bad file descriptor) [pid 22884] close(14) = -1 EBADF (Bad file descriptor) [pid 22884] close(15) = -1 EBADF (Bad file descriptor) [pid 22884] close(16) = -1 EBADF (Bad file descriptor) [pid 22884] close(17) = -1 EBADF (Bad file descriptor) [pid 22884] close(18) = -1 EBADF (Bad file descriptor) [pid 22884] close(19) = -1 EBADF (Bad file descriptor) [pid 22884] close(20) = -1 EBADF (Bad file descriptor) [pid 22884] close(21) = -1 EBADF (Bad file descriptor) [pid 22884] close(22) = -1 EBADF (Bad file descriptor) [pid 22884] close(23) = -1 EBADF (Bad file descriptor) [pid 22884] close(24) = -1 EBADF (Bad file descriptor) [pid 22884] close(25) = -1 EBADF (Bad file descriptor) [pid 22884] close(26) = -1 EBADF (Bad file descriptor) [pid 22884] close(27) = -1 EBADF (Bad file descriptor) [pid 22884] close(28) = -1 EBADF (Bad file descriptor) [pid 22884] close(29) = -1 EBADF (Bad file descriptor) [pid 22884] exit_group(0 [pid 22886] <... futex resumed>) = ? [pid 22884] <... exit_group resumed>) = ? [pid 22886] +++ exited with 0 +++ [pid 22885] <... futex resumed>) = ? [pid 22885] +++ exited with 0 +++ [pid 22884] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7762", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7762/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7762/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7762/cgroup.cpu") = 0 [pid 287] umount2("./7762/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7762/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7762/binderfs") = 0 [pid 287] umount2("./7762/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7762/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7762/cgroup") = 0 [pid 287] umount2("./7762/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7762/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7762/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7762") = 0 [pid 287] mkdir("./7763", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22887 attached , child_tidptr=0x555555ae1690) = 22473 [pid 22887] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22887] chdir("./7763") = 0 [pid 22887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22887] setpgid(0, 0) = 0 [pid 22887] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22887] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22887] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22887] write(3, "1000", 4) = 4 [pid 22887] close(3) = 0 [pid 22887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22887] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22887] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22887] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22888 attached [pid 22888] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22887] <... clone3 resumed> => {parent_tid=[22474]}, 88) = 22474 [pid 22888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22888] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22887] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22888] <... futex resumed>) = 0 [pid 22887] <... futex resumed>) = 1 [pid 22888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22887] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22888] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22888] <... futex resumed>) = 0 [pid 22887] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22888] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22887] <... futex resumed>) = 0 [pid 22888] <... bpf resumed>) = 4 [pid 22888] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22887] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22888] <... futex resumed>) = 0 [pid 22888] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22887] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22888] <... futex resumed>) = 0 [pid 22887] <... futex resumed>) = 1 [pid 22888] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22887] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22888] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22887] <... futex resumed>) = 0 [pid 22888] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22887] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22889 attached [pid 22889] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22889] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22887] <... clone3 resumed> => {parent_tid=[22475]}, 88) = 22475 [pid 22887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22887] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22889] <... futex resumed>) = 0 [pid 22887] <... futex resumed>) = 1 [pid 22889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22887] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22889] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22889] <... futex resumed>) = 0 [pid 22889] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22887] close(3) = 0 [pid 22887] close(4) = 0 [pid 22887] close(5) = 0 [pid 22887] close(6) = -1 EBADF (Bad file descriptor) [pid 22887] close(7) = -1 EBADF (Bad file descriptor) [pid 22887] close(8) = -1 EBADF (Bad file descriptor) [pid 22887] close(9) = -1 EBADF (Bad file descriptor) [pid 22887] close(10) = -1 EBADF (Bad file descriptor) [pid 22887] close(11) = -1 EBADF (Bad file descriptor) [pid 22887] close(12) = -1 EBADF (Bad file descriptor) [pid 22887] close(13) = -1 EBADF (Bad file descriptor) [pid 22887] close(14) = -1 EBADF (Bad file descriptor) [pid 22887] close(15) = -1 EBADF (Bad file descriptor) [pid 22887] close(16) = -1 EBADF (Bad file descriptor) [pid 22887] close(17) = -1 EBADF (Bad file descriptor) [pid 22887] close(18) = -1 EBADF (Bad file descriptor) [pid 22887] close(19) = -1 EBADF (Bad file descriptor) [pid 22887] close(20) = -1 EBADF (Bad file descriptor) [pid 22887] close(21) = -1 EBADF (Bad file descriptor) [pid 22887] close(22) = -1 EBADF (Bad file descriptor) [pid 22887] close(23) = -1 EBADF (Bad file descriptor) [pid 22887] close(24) = -1 EBADF (Bad file descriptor) [pid 22887] close(25) = -1 EBADF (Bad file descriptor) [pid 22887] close(26) = -1 EBADF (Bad file descriptor) [pid 22887] close(27) = -1 EBADF (Bad file descriptor) [pid 22887] close(28) = -1 EBADF (Bad file descriptor) [pid 22887] close(29) = -1 EBADF (Bad file descriptor) [pid 22887] exit_group(0 [pid 22889] <... futex resumed>) = ? [pid 22888] <... futex resumed>) = ? [pid 22887] <... exit_group resumed>) = ? [pid 22889] +++ exited with 0 +++ [pid 22888] +++ exited with 0 +++ [pid 22887] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7763", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7763/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7763/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7763/cgroup.cpu") = 0 [pid 287] umount2("./7763/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7763/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7763/binderfs") = 0 [pid 287] umount2("./7763/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7763/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7763/cgroup") = 0 [pid 287] umount2("./7763/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7763/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7763/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7763") = 0 [pid 287] mkdir("./7764", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22890 attached [pid 22890] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22476 [pid 22890] chdir("./7764") = 0 [pid 22890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22890] setpgid(0, 0) = 0 [pid 22890] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22890] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22890] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22890] write(3, "1000", 4) = 4 [pid 22890] close(3) = 0 [pid 22890] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22890] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22890] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22890] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22891 attached [pid 22891] set_robust_list(0x7f3b956fb9a0, 24 [pid 22890] <... clone3 resumed> => {parent_tid=[22477]}, 88) = 22477 [pid 22891] <... set_robust_list resumed>) = 0 [pid 22890] rt_sigprocmask(SIG_SETMASK, [], [pid 22891] rt_sigprocmask(SIG_SETMASK, [], [pid 22890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22890] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22890] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22891] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22890] <... futex resumed>) = 0 [pid 22891] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22890] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22890] <... futex resumed>) = 0 [pid 22891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22890] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22891] <... bpf resumed>) = 4 [pid 22891] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22890] <... futex resumed>) = 0 [pid 22891] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22890] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22890] <... futex resumed>) = 0 [pid 22891] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22890] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22891] <... bpf resumed>) = 0 [pid 22890] <... futex resumed>) = 0 [pid 22891] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22891] <... futex resumed>) = 0 [pid 22890] <... mmap resumed>) = 0x7f3b956ba000 [pid 22891] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22890] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22892 attached => {parent_tid=[22478]}, 88) = 22478 [pid 22892] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22890] rt_sigprocmask(SIG_SETMASK, [], [pid 22892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22892] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22890] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22892] <... futex resumed>) = 0 [pid 22890] <... futex resumed>) = 1 [pid 22892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22890] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22892] <... bpf resumed>) = 5 [pid 22892] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22890] <... futex resumed>) = 0 [pid 22890] close(3 [pid 22892] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22890] <... close resumed>) = 0 [pid 22890] close(4) = 0 [pid 22890] close(5) = 0 [pid 22890] close(6) = -1 EBADF (Bad file descriptor) [pid 22890] close(7) = -1 EBADF (Bad file descriptor) [pid 22890] close(8) = -1 EBADF (Bad file descriptor) [pid 22890] close(9) = -1 EBADF (Bad file descriptor) [pid 22890] close(10) = -1 EBADF (Bad file descriptor) [pid 22890] close(11) = -1 EBADF (Bad file descriptor) [pid 22890] close(12) = -1 EBADF (Bad file descriptor) [pid 22890] close(13) = -1 EBADF (Bad file descriptor) [pid 22890] close(14) = -1 EBADF (Bad file descriptor) [pid 22890] close(15) = -1 EBADF (Bad file descriptor) [pid 22890] close(16) = -1 EBADF (Bad file descriptor) [pid 22890] close(17) = -1 EBADF (Bad file descriptor) [pid 22890] close(18) = -1 EBADF (Bad file descriptor) [pid 22890] close(19) = -1 EBADF (Bad file descriptor) [pid 22890] close(20) = -1 EBADF (Bad file descriptor) [pid 22890] close(21) = -1 EBADF (Bad file descriptor) [pid 22890] close(22) = -1 EBADF (Bad file descriptor) [pid 22890] close(23) = -1 EBADF (Bad file descriptor) [pid 22890] close(24) = -1 EBADF (Bad file descriptor) [pid 22890] close(25) = -1 EBADF (Bad file descriptor) [pid 22890] close(26) = -1 EBADF (Bad file descriptor) [pid 22890] close(27) = -1 EBADF (Bad file descriptor) [pid 22890] close(28) = -1 EBADF (Bad file descriptor) [pid 22890] close(29) = -1 EBADF (Bad file descriptor) [pid 22890] exit_group(0) = ? [pid 22891] <... futex resumed>) = ? [pid 22892] <... futex resumed>) = ? [pid 22891] +++ exited with 0 +++ [pid 22892] +++ exited with 0 +++ [pid 22890] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7764", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7764/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7764/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7764/cgroup.cpu") = 0 [pid 287] umount2("./7764/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7764/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7764/binderfs") = 0 [pid 287] umount2("./7764/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7764/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7764/cgroup") = 0 [pid 287] umount2("./7764/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7764/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7764/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7764") = 0 [pid 287] mkdir("./7765", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22479 ./strace-static-x86_64: Process 22893 attached [pid 22893] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22893] chdir("./7765") = 0 [pid 22893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22893] setpgid(0, 0) = 0 [pid 22893] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22893] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22893] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22893] write(3, "1000", 4) = 4 [pid 22893] close(3) = 0 [pid 22893] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22893] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22893] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22893] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22894 attached [pid 22894] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22893] <... clone3 resumed> => {parent_tid=[22480]}, 88) = 22480 [pid 22894] rt_sigprocmask(SIG_SETMASK, [], [pid 22893] rt_sigprocmask(SIG_SETMASK, [], [pid 22894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22894] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22893] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22894] <... futex resumed>) = 0 [pid 22893] <... futex resumed>) = 1 [pid 22894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22893] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22894] <... bpf resumed>) = 3 [pid 22894] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22894] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22893] <... futex resumed>) = 0 [pid 22893] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22894] <... futex resumed>) = 0 [pid 22893] <... futex resumed>) = 1 [pid 22894] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22893] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22894] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22894] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22893] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22894] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22893] <... futex resumed>) = 0 [pid 22894] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22893] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22893] <... futex resumed>) = 0 [pid 22894] <... bpf resumed>) = 5 [pid 22893] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22894] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22894] <... futex resumed>) = 0 [pid 22893] close(3 [pid 22894] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22893] <... close resumed>) = 0 [pid 22893] close(4) = 0 [pid 22893] close(5) = 0 [pid 22893] close(6) = -1 EBADF (Bad file descriptor) [pid 22893] close(7) = -1 EBADF (Bad file descriptor) [pid 22893] close(8) = -1 EBADF (Bad file descriptor) [pid 22893] close(9) = -1 EBADF (Bad file descriptor) [pid 22893] close(10) = -1 EBADF (Bad file descriptor) [pid 22893] close(11) = -1 EBADF (Bad file descriptor) [pid 22893] close(12) = -1 EBADF (Bad file descriptor) [pid 22893] close(13) = -1 EBADF (Bad file descriptor) [pid 22893] close(14) = -1 EBADF (Bad file descriptor) [pid 22893] close(15) = -1 EBADF (Bad file descriptor) [pid 22893] close(16) = -1 EBADF (Bad file descriptor) [pid 22893] close(17) = -1 EBADF (Bad file descriptor) [pid 22893] close(18) = -1 EBADF (Bad file descriptor) [pid 22893] close(19) = -1 EBADF (Bad file descriptor) [pid 22893] close(20) = -1 EBADF (Bad file descriptor) [pid 22893] close(21) = -1 EBADF (Bad file descriptor) [pid 22893] close(22) = -1 EBADF (Bad file descriptor) [pid 22893] close(23) = -1 EBADF (Bad file descriptor) [pid 22893] close(24) = -1 EBADF (Bad file descriptor) [pid 22893] close(25) = -1 EBADF (Bad file descriptor) [pid 22893] close(26) = -1 EBADF (Bad file descriptor) [pid 22893] close(27) = -1 EBADF (Bad file descriptor) [pid 22893] close(28) = -1 EBADF (Bad file descriptor) [pid 22893] close(29) = -1 EBADF (Bad file descriptor) [pid 22893] exit_group(0 [pid 22894] <... futex resumed>) = ? [pid 22893] <... exit_group resumed>) = ? [pid 22894] +++ exited with 0 +++ [pid 22893] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7765", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7765/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7765/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7765/cgroup.cpu") = 0 [pid 287] umount2("./7765/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7765/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7765/binderfs") = 0 [pid 287] umount2("./7765/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7765/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7765/cgroup") = 0 [pid 287] umount2("./7765/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7765/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7765/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7765") = 0 [pid 287] mkdir("./7766", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22895 attached [pid 22895] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22481 [pid 22895] chdir("./7766") = 0 [pid 22895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22895] setpgid(0, 0) = 0 [pid 22895] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22895] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22895] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22895] write(3, "1000", 4) = 4 [pid 22895] close(3) = 0 [pid 22895] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22895] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22895] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22895] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22896 attached [pid 22896] set_robust_list(0x7f3b956fb9a0, 24 [pid 22895] <... clone3 resumed> => {parent_tid=[22482]}, 88) = 22482 [pid 22896] <... set_robust_list resumed>) = 0 [pid 22895] rt_sigprocmask(SIG_SETMASK, [], [pid 22896] rt_sigprocmask(SIG_SETMASK, [], [pid 22895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22895] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22895] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22896] <... bpf resumed>) = 3 [pid 22896] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22895] <... futex resumed>) = 0 [pid 22896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22895] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22896] <... bpf resumed>) = 4 [pid 22895] <... futex resumed>) = 0 [pid 22896] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22895] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22896] <... futex resumed>) = 0 [pid 22895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22896] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22895] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22895] <... futex resumed>) = 0 [pid 22896] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22895] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22896] <... bpf resumed>) = 0 [pid 22895] <... futex resumed>) = 0 [pid 22896] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22896] <... futex resumed>) = 0 [pid 22895] <... mmap resumed>) = 0x7f3b956ba000 [pid 22896] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22895] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22897 attached [pid 22897] set_robust_list(0x7f3b956da9a0, 24 [pid 22895] <... clone3 resumed> => {parent_tid=[22483]}, 88) = 22483 [pid 22897] <... set_robust_list resumed>) = 0 [pid 22897] rt_sigprocmask(SIG_SETMASK, [], [pid 22895] rt_sigprocmask(SIG_SETMASK, [], [pid 22897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22897] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22895] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22897] <... futex resumed>) = 0 [pid 22895] <... futex resumed>) = 1 [pid 22897] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22895] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22897] <... bpf resumed>) = 5 [pid 22897] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22895] <... futex resumed>) = 0 [pid 22897] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22895] close(3) = 0 [pid 22895] close(4) = 0 [pid 22895] close(5) = 0 [pid 22895] close(6) = -1 EBADF (Bad file descriptor) [pid 22895] close(7) = -1 EBADF (Bad file descriptor) [pid 22895] close(8) = -1 EBADF (Bad file descriptor) [pid 22895] close(9) = -1 EBADF (Bad file descriptor) [pid 22895] close(10) = -1 EBADF (Bad file descriptor) [pid 22895] close(11) = -1 EBADF (Bad file descriptor) [pid 22895] close(12) = -1 EBADF (Bad file descriptor) [pid 22895] close(13) = -1 EBADF (Bad file descriptor) [pid 22895] close(14) = -1 EBADF (Bad file descriptor) [pid 22895] close(15) = -1 EBADF (Bad file descriptor) [pid 22895] close(16) = -1 EBADF (Bad file descriptor) [pid 22895] close(17) = -1 EBADF (Bad file descriptor) [pid 22895] close(18) = -1 EBADF (Bad file descriptor) [pid 22895] close(19) = -1 EBADF (Bad file descriptor) [pid 22895] close(20) = -1 EBADF (Bad file descriptor) [pid 22895] close(21) = -1 EBADF (Bad file descriptor) [pid 22895] close(22) = -1 EBADF (Bad file descriptor) [pid 22895] close(23) = -1 EBADF (Bad file descriptor) [pid 22895] close(24) = -1 EBADF (Bad file descriptor) [pid 22895] close(25) = -1 EBADF (Bad file descriptor) [pid 22895] close(26) = -1 EBADF (Bad file descriptor) [pid 22895] close(27) = -1 EBADF (Bad file descriptor) [pid 22895] close(28) = -1 EBADF (Bad file descriptor) [pid 22895] close(29) = -1 EBADF (Bad file descriptor) [pid 22895] exit_group(0 [pid 22896] <... futex resumed>) = ? [pid 22895] <... exit_group resumed>) = ? [pid 22897] <... futex resumed>) = ? [pid 22896] +++ exited with 0 +++ [pid 22897] +++ exited with 0 +++ [pid 22895] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7766", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7766/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7766/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7766/cgroup.cpu") = 0 [pid 287] umount2("./7766/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7766/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7766/binderfs") = 0 [pid 287] umount2("./7766/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7766/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7766/cgroup") = 0 [pid 287] umount2("./7766/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7766/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7766/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7766") = 0 [pid 287] mkdir("./7767", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22898 attached [pid 22898] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22898] chdir("./7767") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22484 [pid 22898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22898] setpgid(0, 0) = 0 [pid 22898] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22898] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22898] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22898] write(3, "1000", 4) = 4 [pid 22898] close(3) = 0 [pid 22898] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22898] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22898] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22898] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22899 attached [pid 22899] set_robust_list(0x7f3b956fb9a0, 24 [pid 22898] <... clone3 resumed> => {parent_tid=[22485]}, 88) = 22485 [pid 22899] <... set_robust_list resumed>) = 0 [pid 22898] rt_sigprocmask(SIG_SETMASK, [], [pid 22899] rt_sigprocmask(SIG_SETMASK, [], [pid 22898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22898] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22898] <... futex resumed>) = 0 [pid 22898] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22899] <... bpf resumed>) = 3 [pid 22899] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22898] <... futex resumed>) = 0 [pid 22898] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22898] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22899] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22898] <... futex resumed>) = 0 [pid 22899] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22898] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22898] <... futex resumed>) = 0 [pid 22899] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22898] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22899] <... bpf resumed>) = 0 [pid 22898] <... futex resumed>) = 0 [pid 22899] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22899] <... futex resumed>) = 0 [pid 22898] <... mmap resumed>) = 0x7f3b956ba000 [pid 22899] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22898] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22900 attached [pid 22900] set_robust_list(0x7f3b956da9a0, 24 [pid 22898] <... clone3 resumed> => {parent_tid=[22486]}, 88) = 22486 [pid 22900] <... set_robust_list resumed>) = 0 [pid 22898] rt_sigprocmask(SIG_SETMASK, [], [pid 22900] rt_sigprocmask(SIG_SETMASK, [], [pid 22898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22898] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22898] <... futex resumed>) = 0 [pid 22898] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22900] <... bpf resumed>) = 5 [pid 22900] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22898] <... futex resumed>) = 0 [pid 22898] close(3 [pid 22900] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22898] <... close resumed>) = 0 [pid 22898] close(4) = 0 [pid 22898] close(5) = 0 [pid 22898] close(6) = -1 EBADF (Bad file descriptor) [pid 22898] close(7) = -1 EBADF (Bad file descriptor) [pid 22898] close(8) = -1 EBADF (Bad file descriptor) [pid 22898] close(9) = -1 EBADF (Bad file descriptor) [pid 22898] close(10) = -1 EBADF (Bad file descriptor) [pid 22898] close(11) = -1 EBADF (Bad file descriptor) [pid 22898] close(12) = -1 EBADF (Bad file descriptor) [pid 22898] close(13) = -1 EBADF (Bad file descriptor) [pid 22898] close(14) = -1 EBADF (Bad file descriptor) [pid 22898] close(15) = -1 EBADF (Bad file descriptor) [pid 22898] close(16) = -1 EBADF (Bad file descriptor) [pid 22898] close(17) = -1 EBADF (Bad file descriptor) [pid 22898] close(18) = -1 EBADF (Bad file descriptor) [pid 22898] close(19) = -1 EBADF (Bad file descriptor) [pid 22898] close(20) = -1 EBADF (Bad file descriptor) [pid 22898] close(21) = -1 EBADF (Bad file descriptor) [pid 22898] close(22) = -1 EBADF (Bad file descriptor) [pid 22898] close(23) = -1 EBADF (Bad file descriptor) [pid 22898] close(24) = -1 EBADF (Bad file descriptor) [pid 22898] close(25) = -1 EBADF (Bad file descriptor) [pid 22898] close(26) = -1 EBADF (Bad file descriptor) [pid 22898] close(27) = -1 EBADF (Bad file descriptor) [pid 22898] close(28) = -1 EBADF (Bad file descriptor) [pid 22898] close(29) = -1 EBADF (Bad file descriptor) [pid 22898] exit_group(0) = ? [pid 22899] <... futex resumed>) = ? [pid 22900] <... futex resumed>) = ? [pid 22899] +++ exited with 0 +++ [pid 22900] +++ exited with 0 +++ [pid 22898] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7767", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7767/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7767/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7767/cgroup.cpu") = 0 [pid 287] umount2("./7767/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7767/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7767/binderfs") = 0 [pid 287] umount2("./7767/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7767/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7767/cgroup") = 0 [pid 287] umount2("./7767/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7767/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7767/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7767") = 0 [pid 287] mkdir("./7768", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22487 ./strace-static-x86_64: Process 22901 attached [pid 22901] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22901] chdir("./7768") = 0 [pid 22901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22901] setpgid(0, 0) = 0 [pid 22901] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22901] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22901] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22901] write(3, "1000", 4) = 4 [pid 22901] close(3) = 0 [pid 22901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22901] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22901] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22901] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22902 attached [pid 22902] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22901] <... clone3 resumed> => {parent_tid=[22488]}, 88) = 22488 [pid 22902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22901] rt_sigprocmask(SIG_SETMASK, [], [pid 22902] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22901] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22902] <... futex resumed>) = 0 [pid 22901] <... futex resumed>) = 1 [pid 22902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22901] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22902] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22901] <... futex resumed>) = 0 [pid 22901] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22902] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22901] <... futex resumed>) = 0 [pid 22902] <... bpf resumed>) = 4 [pid 22902] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22901] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22902] <... futex resumed>) = 0 [pid 22902] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22901] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22902] <... futex resumed>) = 0 [pid 22901] <... futex resumed>) = 1 [pid 22902] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22901] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22902] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22901] <... futex resumed>) = 0 [pid 22902] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22901] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22903 attached [pid 22903] set_robust_list(0x7f3b956da9a0, 24 [pid 22901] <... clone3 resumed> => {parent_tid=[22489]}, 88) = 22489 [pid 22903] <... set_robust_list resumed>) = 0 [pid 22903] rt_sigprocmask(SIG_SETMASK, [], [pid 22901] rt_sigprocmask(SIG_SETMASK, [], [pid 22903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22903] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22901] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22903] <... futex resumed>) = 0 [pid 22901] <... futex resumed>) = 1 [pid 22903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22901] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22903] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22903] <... futex resumed>) = 0 [pid 22901] close(3 [pid 22903] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22901] <... close resumed>) = 0 [pid 22901] close(4) = 0 [pid 22901] close(5) = 0 [pid 22901] close(6) = -1 EBADF (Bad file descriptor) [pid 22901] close(7) = -1 EBADF (Bad file descriptor) [pid 22901] close(8) = -1 EBADF (Bad file descriptor) [pid 22901] close(9) = -1 EBADF (Bad file descriptor) [pid 22901] close(10) = -1 EBADF (Bad file descriptor) [pid 22901] close(11) = -1 EBADF (Bad file descriptor) [pid 22901] close(12) = -1 EBADF (Bad file descriptor) [pid 22901] close(13) = -1 EBADF (Bad file descriptor) [pid 22901] close(14) = -1 EBADF (Bad file descriptor) [pid 22901] close(15) = -1 EBADF (Bad file descriptor) [pid 22901] close(16) = -1 EBADF (Bad file descriptor) [pid 22901] close(17) = -1 EBADF (Bad file descriptor) [pid 22901] close(18) = -1 EBADF (Bad file descriptor) [pid 22901] close(19) = -1 EBADF (Bad file descriptor) [pid 22901] close(20) = -1 EBADF (Bad file descriptor) [pid 22901] close(21) = -1 EBADF (Bad file descriptor) [pid 22901] close(22) = -1 EBADF (Bad file descriptor) [pid 22901] close(23) = -1 EBADF (Bad file descriptor) [pid 22901] close(24) = -1 EBADF (Bad file descriptor) [pid 22901] close(25) = -1 EBADF (Bad file descriptor) [pid 22901] close(26) = -1 EBADF (Bad file descriptor) [pid 22901] close(27) = -1 EBADF (Bad file descriptor) [pid 22901] close(28) = -1 EBADF (Bad file descriptor) [pid 22901] close(29) = -1 EBADF (Bad file descriptor) [pid 22901] exit_group(0 [pid 22903] <... futex resumed>) = ? [pid 22902] <... futex resumed>) = ? [pid 22901] <... exit_group resumed>) = ? [pid 22903] +++ exited with 0 +++ [pid 22902] +++ exited with 0 +++ [pid 22901] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7768", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7768/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7768/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7768/cgroup.cpu") = 0 [pid 287] umount2("./7768/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7768/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7768/binderfs") = 0 [pid 287] umount2("./7768/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7768/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7768/cgroup") = 0 [pid 287] umount2("./7768/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7768/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7768/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7768") = 0 [pid 287] mkdir("./7769", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22490 ./strace-static-x86_64: Process 22904 attached [pid 22904] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22904] chdir("./7769") = 0 [pid 22904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22904] setpgid(0, 0) = 0 [pid 22904] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22904] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22904] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22904] write(3, "1000", 4) = 4 [pid 22904] close(3) = 0 [pid 22904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22904] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22904] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22904] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22905 attached [pid 22905] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22904] <... clone3 resumed> => {parent_tid=[22491]}, 88) = 22491 [pid 22905] rt_sigprocmask(SIG_SETMASK, [], [pid 22904] rt_sigprocmask(SIG_SETMASK, [], [pid 22905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22905] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22904] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22904] <... futex resumed>) = 0 [pid 22905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22904] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22905] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22905] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22904] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22904] <... futex resumed>) = 0 [pid 22905] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22904] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22905] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22904] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22905] <... futex resumed>) = 0 [pid 22904] <... futex resumed>) = 1 [pid 22905] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22904] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22905] <... bpf resumed>) = 0 [pid 22904] <... futex resumed>) = 0 [pid 22905] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22905] <... futex resumed>) = 0 [pid 22905] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22904] <... mmap resumed>) = 0x7f3b956ba000 [pid 22904] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22906 attached [pid 22906] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22906] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22904] <... clone3 resumed> => {parent_tid=[22492]}, 88) = 22492 [pid 22904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22904] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22906] <... futex resumed>) = 0 [pid 22904] <... futex resumed>) = 1 [pid 22906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22904] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22906] <... bpf resumed>) = 5 [pid 22906] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22904] <... futex resumed>) = 0 [pid 22904] close(3) = 0 [pid 22904] close(4 [pid 22906] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22904] <... close resumed>) = 0 [pid 22904] close(5) = 0 [pid 22904] close(6) = -1 EBADF (Bad file descriptor) [pid 22904] close(7) = -1 EBADF (Bad file descriptor) [pid 22904] close(8) = -1 EBADF (Bad file descriptor) [pid 22904] close(9) = -1 EBADF (Bad file descriptor) [pid 22904] close(10) = -1 EBADF (Bad file descriptor) [pid 22904] close(11) = -1 EBADF (Bad file descriptor) [pid 22904] close(12) = -1 EBADF (Bad file descriptor) [pid 22904] close(13) = -1 EBADF (Bad file descriptor) [pid 22904] close(14) = -1 EBADF (Bad file descriptor) [pid 22904] close(15) = -1 EBADF (Bad file descriptor) [pid 22904] close(16) = -1 EBADF (Bad file descriptor) [pid 22904] close(17) = -1 EBADF (Bad file descriptor) [pid 22904] close(18) = -1 EBADF (Bad file descriptor) [pid 22904] close(19) = -1 EBADF (Bad file descriptor) [pid 22904] close(20) = -1 EBADF (Bad file descriptor) [pid 22904] close(21) = -1 EBADF (Bad file descriptor) [pid 22904] close(22) = -1 EBADF (Bad file descriptor) [pid 22904] close(23) = -1 EBADF (Bad file descriptor) [pid 22904] close(24) = -1 EBADF (Bad file descriptor) [pid 22904] close(25) = -1 EBADF (Bad file descriptor) [pid 22904] close(26) = -1 EBADF (Bad file descriptor) [pid 22904] close(27) = -1 EBADF (Bad file descriptor) [pid 22904] close(28) = -1 EBADF (Bad file descriptor) [pid 22904] close(29) = -1 EBADF (Bad file descriptor) [pid 22904] exit_group(0 [pid 22906] <... futex resumed>) = ? [pid 22905] <... futex resumed>) = ? [pid 22904] <... exit_group resumed>) = ? [pid 22906] +++ exited with 0 +++ [pid 22905] +++ exited with 0 +++ [pid 22904] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7769", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7769/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7769/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7769/cgroup.cpu") = 0 [pid 287] umount2("./7769/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7769/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7769/binderfs") = 0 [pid 287] umount2("./7769/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7769/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7769/cgroup") = 0 [pid 287] umount2("./7769/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7769/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7769/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7769") = 0 [pid 287] mkdir("./7770", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22907 attached [pid 22907] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22493 [pid 22907] chdir("./7770") = 0 [pid 22907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22907] setpgid(0, 0) = 0 [pid 22907] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22907] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22907] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22907] write(3, "1000", 4) = 4 [pid 22907] close(3) = 0 [pid 22907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22907] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22907] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22907] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22908 attached [pid 22908] set_robust_list(0x7f3b956fb9a0, 24 [pid 22907] <... clone3 resumed> => {parent_tid=[22494]}, 88) = 22494 [pid 22908] <... set_robust_list resumed>) = 0 [pid 22907] rt_sigprocmask(SIG_SETMASK, [], [pid 22908] rt_sigprocmask(SIG_SETMASK, [], [pid 22907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22907] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22907] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22908] <... bpf resumed>) = 3 [pid 22908] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22907] <... futex resumed>) = 0 [pid 22908] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22907] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22907] <... futex resumed>) = 0 [pid 22908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22907] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22908] <... bpf resumed>) = 4 [pid 22908] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22907] <... futex resumed>) = 0 [pid 22908] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22907] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22907] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22908] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22907] <... futex resumed>) = 0 [pid 22908] <... bpf resumed>) = 0 [pid 22907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22908] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22907] <... mmap resumed>) = 0x7f3b956ba000 [pid 22908] <... futex resumed>) = 0 [pid 22907] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22908] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22907] <... mprotect resumed>) = 0 [pid 22907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22909 attached [pid 22909] set_robust_list(0x7f3b956da9a0, 24 [pid 22907] <... clone3 resumed> => {parent_tid=[22495]}, 88) = 22495 [pid 22909] <... set_robust_list resumed>) = 0 [pid 22909] rt_sigprocmask(SIG_SETMASK, [], [pid 22907] rt_sigprocmask(SIG_SETMASK, [], [pid 22909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22909] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22907] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22909] <... futex resumed>) = 0 [pid 22907] <... futex resumed>) = 1 [pid 22909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22907] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22909] <... bpf resumed>) = 5 [pid 22909] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22907] <... futex resumed>) = 0 [pid 22909] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22907] close(3) = 0 [pid 22907] close(4) = 0 [pid 22907] close(5) = 0 [pid 22907] close(6) = -1 EBADF (Bad file descriptor) [pid 22907] close(7) = -1 EBADF (Bad file descriptor) [pid 22907] close(8) = -1 EBADF (Bad file descriptor) [pid 22907] close(9) = -1 EBADF (Bad file descriptor) [pid 22907] close(10) = -1 EBADF (Bad file descriptor) [pid 22907] close(11) = -1 EBADF (Bad file descriptor) [pid 22907] close(12) = -1 EBADF (Bad file descriptor) [pid 22907] close(13) = -1 EBADF (Bad file descriptor) [pid 22907] close(14) = -1 EBADF (Bad file descriptor) [pid 22907] close(15) = -1 EBADF (Bad file descriptor) [pid 22907] close(16) = -1 EBADF (Bad file descriptor) [pid 22907] close(17) = -1 EBADF (Bad file descriptor) [pid 22907] close(18) = -1 EBADF (Bad file descriptor) [pid 22907] close(19) = -1 EBADF (Bad file descriptor) [pid 22907] close(20) = -1 EBADF (Bad file descriptor) [pid 22907] close(21) = -1 EBADF (Bad file descriptor) [pid 22907] close(22) = -1 EBADF (Bad file descriptor) [pid 22907] close(23) = -1 EBADF (Bad file descriptor) [pid 22907] close(24) = -1 EBADF (Bad file descriptor) [pid 22907] close(25) = -1 EBADF (Bad file descriptor) [pid 22907] close(26) = -1 EBADF (Bad file descriptor) [pid 22907] close(27) = -1 EBADF (Bad file descriptor) [pid 22907] close(28) = -1 EBADF (Bad file descriptor) [pid 22907] close(29) = -1 EBADF (Bad file descriptor) [pid 22907] exit_group(0 [pid 22908] <... futex resumed>) = ? [pid 22907] <... exit_group resumed>) = ? [pid 22909] <... futex resumed>) = ? [pid 22908] +++ exited with 0 +++ [pid 22909] +++ exited with 0 +++ [pid 22907] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7770", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7770/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7770/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7770/cgroup.cpu") = 0 [pid 287] umount2("./7770/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7770/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7770/binderfs") = 0 [pid 287] umount2("./7770/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7770/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7770/cgroup") = 0 [pid 287] umount2("./7770/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7770/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7770/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7770") = 0 [pid 287] mkdir("./7771", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22910 attached [pid 22910] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22910] chdir("./7771") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22496 [pid 22910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22910] setpgid(0, 0) = 0 [pid 22910] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22910] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22910] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22910] write(3, "1000", 4) = 4 [pid 22910] close(3) = 0 [pid 22910] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22910] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22910] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22910] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22911 attached [pid 22911] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22910] <... clone3 resumed> => {parent_tid=[22497]}, 88) = 22497 [pid 22911] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22910] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22911] <... futex resumed>) = 0 [pid 22910] <... futex resumed>) = 1 [pid 22911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22910] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22911] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22911] <... futex resumed>) = 0 [pid 22910] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22911] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22910] <... futex resumed>) = 0 [pid 22911] <... bpf resumed>) = 4 [pid 22911] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22911] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22910] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22910] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22911] <... futex resumed>) = 0 [pid 22910] <... futex resumed>) = 1 [pid 22911] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22910] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22911] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22910] <... futex resumed>) = 0 [pid 22911] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22910] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22912 attached [pid 22912] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22912] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22910] <... clone3 resumed> => {parent_tid=[22498]}, 88) = 22498 [pid 22910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22910] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22912] <... futex resumed>) = 0 [pid 22910] <... futex resumed>) = 1 [pid 22912] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22910] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22912] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22912] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22910] close(3) = 0 [pid 22910] close(4) = 0 [pid 22910] close(5) = 0 [pid 22910] close(6) = -1 EBADF (Bad file descriptor) [pid 22910] close(7) = -1 EBADF (Bad file descriptor) [pid 22910] close(8) = -1 EBADF (Bad file descriptor) [pid 22910] close(9) = -1 EBADF (Bad file descriptor) [pid 22910] close(10) = -1 EBADF (Bad file descriptor) [pid 22910] close(11) = -1 EBADF (Bad file descriptor) [pid 22910] close(12) = -1 EBADF (Bad file descriptor) [pid 22910] close(13) = -1 EBADF (Bad file descriptor) [pid 22910] close(14) = -1 EBADF (Bad file descriptor) [pid 22910] close(15) = -1 EBADF (Bad file descriptor) [pid 22910] close(16) = -1 EBADF (Bad file descriptor) [pid 22910] close(17) = -1 EBADF (Bad file descriptor) [pid 22910] close(18) = -1 EBADF (Bad file descriptor) [pid 22910] close(19) = -1 EBADF (Bad file descriptor) [pid 22910] close(20) = -1 EBADF (Bad file descriptor) [pid 22910] close(21) = -1 EBADF (Bad file descriptor) [pid 22910] close(22) = -1 EBADF (Bad file descriptor) [pid 22910] close(23) = -1 EBADF (Bad file descriptor) [pid 22910] close(24) = -1 EBADF (Bad file descriptor) [pid 22910] close(25) = -1 EBADF (Bad file descriptor) [pid 22910] close(26) = -1 EBADF (Bad file descriptor) [pid 22910] close(27) = -1 EBADF (Bad file descriptor) [pid 22910] close(28) = -1 EBADF (Bad file descriptor) [pid 22910] close(29) = -1 EBADF (Bad file descriptor) [pid 22910] exit_group(0 [pid 22912] <... futex resumed>) = ? [pid 22911] <... futex resumed>) = ? [pid 22910] <... exit_group resumed>) = ? [pid 22912] +++ exited with 0 +++ [pid 22911] +++ exited with 0 +++ [pid 22910] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7771", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7771/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7771/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7771/cgroup.cpu") = 0 [pid 287] umount2("./7771/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7771/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7771/binderfs") = 0 [pid 287] umount2("./7771/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7771/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7771/cgroup") = 0 [pid 287] umount2("./7771/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7771/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7771/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7771") = 0 [pid 287] mkdir("./7772", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22913 attached [pid 22913] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22913] chdir("./7772") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22499 [pid 22913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22913] setpgid(0, 0) = 0 [pid 22913] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22913] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22913] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22913] write(3, "1000", 4) = 4 [pid 22913] close(3) = 0 [pid 22913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22913] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22913] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22913] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22914 attached [pid 22914] set_robust_list(0x7f3b956fb9a0, 24 [pid 22913] <... clone3 resumed> => {parent_tid=[22500]}, 88) = 22500 [pid 22914] <... set_robust_list resumed>) = 0 [pid 22913] rt_sigprocmask(SIG_SETMASK, [], [pid 22914] rt_sigprocmask(SIG_SETMASK, [], [pid 22913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22913] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22913] <... futex resumed>) = 0 [pid 22914] <... bpf resumed>) = 3 [pid 22913] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22914] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22914] <... futex resumed>) = 0 [pid 22913] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22913] <... futex resumed>) = 0 [pid 22914] <... bpf resumed>) = 4 [pid 22913] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22914] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22914] <... futex resumed>) = 0 [pid 22913] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22914] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22913] <... futex resumed>) = 0 [pid 22914] <... bpf resumed>) = 0 [pid 22913] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22914] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22913] <... futex resumed>) = 0 [pid 22914] <... futex resumed>) = 0 [pid 22913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22914] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22913] <... mmap resumed>) = 0x7f3b956ba000 [pid 22913] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22501]}, 88) = 22501 [pid 22913] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 22915 attached NULL, 8) = 0 [pid 22915] set_robust_list(0x7f3b956da9a0, 24 [pid 22913] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22915] <... set_robust_list resumed>) = 0 [pid 22913] <... futex resumed>) = 0 [pid 22915] rt_sigprocmask(SIG_SETMASK, [], [pid 22913] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22915] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22913] <... futex resumed>) = 0 [pid 22915] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22913] close(3) = 0 [pid 22913] close(4) = 0 [pid 22913] close(5) = 0 [pid 22913] close(6) = -1 EBADF (Bad file descriptor) [pid 22913] close(7) = -1 EBADF (Bad file descriptor) [pid 22913] close(8) = -1 EBADF (Bad file descriptor) [pid 22913] close(9) = -1 EBADF (Bad file descriptor) [pid 22913] close(10) = -1 EBADF (Bad file descriptor) [pid 22913] close(11) = -1 EBADF (Bad file descriptor) [pid 22913] close(12) = -1 EBADF (Bad file descriptor) [pid 22913] close(13) = -1 EBADF (Bad file descriptor) [pid 22913] close(14) = -1 EBADF (Bad file descriptor) [pid 22913] close(15) = -1 EBADF (Bad file descriptor) [pid 22913] close(16) = -1 EBADF (Bad file descriptor) [pid 22913] close(17) = -1 EBADF (Bad file descriptor) [pid 22913] close(18) = -1 EBADF (Bad file descriptor) [pid 22913] close(19) = -1 EBADF (Bad file descriptor) [pid 22913] close(20) = -1 EBADF (Bad file descriptor) [pid 22913] close(21) = -1 EBADF (Bad file descriptor) [pid 22913] close(22) = -1 EBADF (Bad file descriptor) [pid 22913] close(23) = -1 EBADF (Bad file descriptor) [pid 22913] close(24) = -1 EBADF (Bad file descriptor) [pid 22913] close(25) = -1 EBADF (Bad file descriptor) [pid 22913] close(26) = -1 EBADF (Bad file descriptor) [pid 22913] close(27) = -1 EBADF (Bad file descriptor) [pid 22913] close(28) = -1 EBADF (Bad file descriptor) [pid 22913] close(29) = -1 EBADF (Bad file descriptor) [pid 22913] exit_group(0 [pid 22914] <... futex resumed>) = ? [pid 22913] <... exit_group resumed>) = ? [pid 22915] <... futex resumed>) = 231 [pid 22914] +++ exited with 0 +++ [pid 22915] +++ exited with 0 +++ [pid 22913] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7772", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7772/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7772/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7772/cgroup.cpu") = 0 [pid 287] umount2("./7772/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7772/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7772/binderfs") = 0 [pid 287] umount2("./7772/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7772/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7772/cgroup") = 0 [pid 287] umount2("./7772/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7772/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7772/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7772") = 0 [pid 287] mkdir("./7773", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22916 attached [pid 22916] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22916] chdir("./7773" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22502 [pid 22916] <... chdir resumed>) = 0 [pid 22916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22916] setpgid(0, 0) = 0 [pid 22916] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22916] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22916] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22916] write(3, "1000", 4) = 4 [pid 22916] close(3) = 0 [pid 22916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22916] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22916] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22916] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22917 attached [pid 22917] set_robust_list(0x7f3b956fb9a0, 24 [pid 22916] <... clone3 resumed> => {parent_tid=[22503]}, 88) = 22503 [pid 22917] <... set_robust_list resumed>) = 0 [pid 22916] rt_sigprocmask(SIG_SETMASK, [], [pid 22917] rt_sigprocmask(SIG_SETMASK, [], [pid 22916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22916] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22916] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22917] <... bpf resumed>) = 3 [pid 22917] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22916] <... futex resumed>) = 0 [pid 22917] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22916] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22916] <... futex resumed>) = 0 [pid 22917] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22916] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22917] <... bpf resumed>) = 4 [pid 22917] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22916] <... futex resumed>) = 0 [pid 22917] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22916] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22916] <... futex resumed>) = 0 [pid 22917] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22916] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22917] <... bpf resumed>) = 0 [pid 22916] <... futex resumed>) = 0 [pid 22917] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22916] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22917] <... futex resumed>) = 0 [pid 22916] <... mprotect resumed>) = 0 [pid 22917] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22918 attached [pid 22918] set_robust_list(0x7f3b956da9a0, 24 [pid 22916] <... clone3 resumed> => {parent_tid=[22504]}, 88) = 22504 [pid 22918] <... set_robust_list resumed>) = 0 [pid 22916] rt_sigprocmask(SIG_SETMASK, [], [pid 22918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22918] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22916] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22916] <... futex resumed>) = 0 [pid 22916] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22918] <... bpf resumed>) = 5 [pid 22918] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22916] <... futex resumed>) = 0 [pid 22918] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22916] close(3) = 0 [pid 22916] close(4) = 0 [pid 22916] close(5) = 0 [pid 22916] close(6) = -1 EBADF (Bad file descriptor) [pid 22916] close(7) = -1 EBADF (Bad file descriptor) [pid 22916] close(8) = -1 EBADF (Bad file descriptor) [pid 22916] close(9) = -1 EBADF (Bad file descriptor) [pid 22916] close(10) = -1 EBADF (Bad file descriptor) [pid 22916] close(11) = -1 EBADF (Bad file descriptor) [pid 22916] close(12) = -1 EBADF (Bad file descriptor) [pid 22916] close(13) = -1 EBADF (Bad file descriptor) [pid 22916] close(14) = -1 EBADF (Bad file descriptor) [pid 22916] close(15) = -1 EBADF (Bad file descriptor) [pid 22916] close(16) = -1 EBADF (Bad file descriptor) [pid 22916] close(17) = -1 EBADF (Bad file descriptor) [pid 22916] close(18) = -1 EBADF (Bad file descriptor) [pid 22916] close(19) = -1 EBADF (Bad file descriptor) [pid 22916] close(20) = -1 EBADF (Bad file descriptor) [pid 22916] close(21) = -1 EBADF (Bad file descriptor) [pid 22916] close(22) = -1 EBADF (Bad file descriptor) [pid 22916] close(23) = -1 EBADF (Bad file descriptor) [pid 22916] close(24) = -1 EBADF (Bad file descriptor) [pid 22916] close(25) = -1 EBADF (Bad file descriptor) [pid 22916] close(26) = -1 EBADF (Bad file descriptor) [pid 22916] close(27) = -1 EBADF (Bad file descriptor) [pid 22916] close(28) = -1 EBADF (Bad file descriptor) [pid 22916] close(29) = -1 EBADF (Bad file descriptor) [pid 22916] exit_group(0 [pid 22918] <... futex resumed>) = ? [pid 22917] <... futex resumed>) = ? [pid 22916] <... exit_group resumed>) = ? [pid 22918] +++ exited with 0 +++ [pid 22917] +++ exited with 0 +++ [pid 22916] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7773", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7773/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7773/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7773/cgroup.cpu") = 0 [pid 287] umount2("./7773/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7773/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7773/binderfs") = 0 [pid 287] umount2("./7773/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7773/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7773/cgroup") = 0 [pid 287] umount2("./7773/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7773/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7773/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7773") = 0 [pid 287] mkdir("./7774", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22919 attached [pid 22919] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22919] chdir("./7774" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22505 [pid 22919] <... chdir resumed>) = 0 [pid 22919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22919] setpgid(0, 0) = 0 [pid 22919] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22919] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22919] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22919] write(3, "1000", 4) = 4 [pid 22919] close(3) = 0 [pid 22919] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22919] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22919] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22919] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22919] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22920 attached [pid 22920] set_robust_list(0x7f3b956fb9a0, 24 [pid 22919] <... clone3 resumed> => {parent_tid=[22506]}, 88) = 22506 [pid 22920] <... set_robust_list resumed>) = 0 [pid 22919] rt_sigprocmask(SIG_SETMASK, [], [pid 22920] rt_sigprocmask(SIG_SETMASK, [], [pid 22919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22919] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22919] <... futex resumed>) = 0 [pid 22920] <... bpf resumed>) = 3 [pid 22919] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22920] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22920] <... futex resumed>) = 0 [pid 22919] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22920] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22919] <... futex resumed>) = 0 [pid 22920] <... bpf resumed>) = 4 [pid 22919] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22920] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22920] <... futex resumed>) = 0 [pid 22919] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22920] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22919] <... futex resumed>) = 0 [pid 22920] <... bpf resumed>) = 0 [pid 22919] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22920] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22919] <... futex resumed>) = 0 [pid 22920] <... futex resumed>) = 0 [pid 22919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22920] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22919] <... mmap resumed>) = 0x7f3b956ba000 [pid 22919] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22919] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22921 attached [pid 22921] set_robust_list(0x7f3b956da9a0, 24 [pid 22919] <... clone3 resumed> => {parent_tid=[22507]}, 88) = 22507 [pid 22921] <... set_robust_list resumed>) = 0 [pid 22919] rt_sigprocmask(SIG_SETMASK, [], [pid 22921] rt_sigprocmask(SIG_SETMASK, [], [pid 22919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22919] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22919] <... futex resumed>) = 0 [pid 22919] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22921] <... bpf resumed>) = 5 [pid 22921] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22919] <... futex resumed>) = 0 [pid 22919] close(3) = 0 [pid 22919] close(4 [pid 22921] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22919] <... close resumed>) = 0 [pid 22919] close(5) = 0 [pid 22919] close(6) = -1 EBADF (Bad file descriptor) [pid 22919] close(7) = -1 EBADF (Bad file descriptor) [pid 22919] close(8) = -1 EBADF (Bad file descriptor) [pid 22919] close(9) = -1 EBADF (Bad file descriptor) [pid 22919] close(10) = -1 EBADF (Bad file descriptor) [pid 22919] close(11) = -1 EBADF (Bad file descriptor) [pid 22919] close(12) = -1 EBADF (Bad file descriptor) [pid 22919] close(13) = -1 EBADF (Bad file descriptor) [pid 22919] close(14) = -1 EBADF (Bad file descriptor) [pid 22919] close(15) = -1 EBADF (Bad file descriptor) [pid 22919] close(16) = -1 EBADF (Bad file descriptor) [pid 22919] close(17) = -1 EBADF (Bad file descriptor) [pid 22919] close(18) = -1 EBADF (Bad file descriptor) [pid 22919] close(19) = -1 EBADF (Bad file descriptor) [pid 22919] close(20) = -1 EBADF (Bad file descriptor) [pid 22919] close(21) = -1 EBADF (Bad file descriptor) [pid 22919] close(22) = -1 EBADF (Bad file descriptor) [pid 22919] close(23) = -1 EBADF (Bad file descriptor) [pid 22919] close(24) = -1 EBADF (Bad file descriptor) [pid 22919] close(25) = -1 EBADF (Bad file descriptor) [pid 22919] close(26) = -1 EBADF (Bad file descriptor) [pid 22919] close(27) = -1 EBADF (Bad file descriptor) [pid 22919] close(28) = -1 EBADF (Bad file descriptor) [pid 22919] close(29) = -1 EBADF (Bad file descriptor) [pid 22919] exit_group(0 [pid 22921] <... futex resumed>) = ? [pid 22920] <... futex resumed>) = ? [pid 22919] <... exit_group resumed>) = ? [pid 22921] +++ exited with 0 +++ [pid 22920] +++ exited with 0 +++ [pid 22919] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7774", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7774/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7774/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7774/cgroup.cpu") = 0 [pid 287] umount2("./7774/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7774/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7774/binderfs") = 0 [pid 287] umount2("./7774/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7774/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7774/cgroup") = 0 [pid 287] umount2("./7774/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7774/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7774/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7774") = 0 [pid 287] mkdir("./7775", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22922 attached [pid 22922] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22508 [pid 22922] chdir("./7775") = 0 [pid 22922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22922] setpgid(0, 0) = 0 [pid 22922] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22922] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22922] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22922] write(3, "1000", 4) = 4 [pid 22922] close(3) = 0 [pid 22922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22922] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22922] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22922] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22923 attached [pid 22923] set_robust_list(0x7f3b956fb9a0, 24 [pid 22922] <... clone3 resumed> => {parent_tid=[22509]}, 88) = 22509 [pid 22923] <... set_robust_list resumed>) = 0 [pid 22922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22922] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22923] rt_sigprocmask(SIG_SETMASK, [], [pid 22922] <... futex resumed>) = 0 [pid 22923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22922] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22923] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22922] <... futex resumed>) = 0 [pid 22923] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22922] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22922] <... futex resumed>) = 0 [pid 22922] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22923] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22923] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22922] <... futex resumed>) = 0 [pid 22923] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22922] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22922] <... futex resumed>) = 0 [pid 22923] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22922] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22923] <... bpf resumed>) = 0 [pid 22922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22923] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22922] <... mmap resumed>) = 0x7f3b956ba000 [pid 22923] <... futex resumed>) = 0 [pid 22922] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22923] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22922] <... mprotect resumed>) = 0 [pid 22922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22924 attached [pid 22924] set_robust_list(0x7f3b956da9a0, 24 [pid 22922] <... clone3 resumed> => {parent_tid=[22510]}, 88) = 22510 [pid 22924] <... set_robust_list resumed>) = 0 [pid 22924] rt_sigprocmask(SIG_SETMASK, [], [pid 22922] rt_sigprocmask(SIG_SETMASK, [], [pid 22924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22924] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22922] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22924] <... futex resumed>) = 0 [pid 22922] <... futex resumed>) = 1 [pid 22924] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22922] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22924] <... bpf resumed>) = 5 [pid 22924] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22922] <... futex resumed>) = 0 [pid 22924] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22922] close(3) = 0 [pid 22922] close(4) = 0 [pid 22922] close(5) = 0 [pid 22922] close(6) = -1 EBADF (Bad file descriptor) [pid 22922] close(7) = -1 EBADF (Bad file descriptor) [pid 22922] close(8) = -1 EBADF (Bad file descriptor) [pid 22922] close(9) = -1 EBADF (Bad file descriptor) [pid 22922] close(10) = -1 EBADF (Bad file descriptor) [pid 22922] close(11) = -1 EBADF (Bad file descriptor) [pid 22922] close(12) = -1 EBADF (Bad file descriptor) [pid 22922] close(13) = -1 EBADF (Bad file descriptor) [pid 22922] close(14) = -1 EBADF (Bad file descriptor) [pid 22922] close(15) = -1 EBADF (Bad file descriptor) [pid 22922] close(16) = -1 EBADF (Bad file descriptor) [pid 22922] close(17) = -1 EBADF (Bad file descriptor) [pid 22922] close(18) = -1 EBADF (Bad file descriptor) [pid 22922] close(19) = -1 EBADF (Bad file descriptor) [pid 22922] close(20) = -1 EBADF (Bad file descriptor) [pid 22922] close(21) = -1 EBADF (Bad file descriptor) [pid 22922] close(22) = -1 EBADF (Bad file descriptor) [pid 22922] close(23) = -1 EBADF (Bad file descriptor) [pid 22922] close(24) = -1 EBADF (Bad file descriptor) [pid 22922] close(25) = -1 EBADF (Bad file descriptor) [pid 22922] close(26) = -1 EBADF (Bad file descriptor) [pid 22922] close(27) = -1 EBADF (Bad file descriptor) [pid 22922] close(28) = -1 EBADF (Bad file descriptor) [pid 22922] close(29) = -1 EBADF (Bad file descriptor) [pid 22922] exit_group(0 [pid 22924] <... futex resumed>) = ? [pid 22923] <... futex resumed>) = ? [pid 22922] <... exit_group resumed>) = ? [pid 22924] +++ exited with 0 +++ [pid 22923] +++ exited with 0 +++ [pid 22922] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7775", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7775/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7775/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7775/cgroup.cpu") = 0 [pid 287] umount2("./7775/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7775/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7775/binderfs") = 0 [pid 287] umount2("./7775/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7775/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7775/cgroup") = 0 [pid 287] umount2("./7775/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7775/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7775/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7775") = 0 [pid 287] mkdir("./7776", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22925 attached [pid 22925] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22511 [pid 22925] chdir("./7776") = 0 [pid 22925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22925] setpgid(0, 0) = 0 [pid 22925] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22925] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22925] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22925] write(3, "1000", 4) = 4 [pid 22925] close(3) = 0 [pid 22925] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22925] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22925] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22925] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22926 attached [pid 22926] set_robust_list(0x7f3b956fb9a0, 24 [pid 22925] <... clone3 resumed> => {parent_tid=[22512]}, 88) = 22512 [pid 22926] <... set_robust_list resumed>) = 0 [pid 22925] rt_sigprocmask(SIG_SETMASK, [], [pid 22926] rt_sigprocmask(SIG_SETMASK, [], [pid 22925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22925] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22926] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22925] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22926] <... bpf resumed>) = 3 [pid 22926] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22925] <... futex resumed>) = 0 [pid 22925] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22926] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22925] <... futex resumed>) = 0 [pid 22926] <... bpf resumed>) = 4 [pid 22925] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22926] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22926] <... futex resumed>) = 0 [pid 22925] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22926] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22925] <... futex resumed>) = 0 [pid 22925] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22926] <... bpf resumed>) = 0 [pid 22925] <... futex resumed>) = 0 [pid 22926] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22926] <... futex resumed>) = 0 [pid 22925] <... mmap resumed>) = 0x7f3b956ba000 [pid 22926] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22925] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22927 attached => {parent_tid=[22513]}, 88) = 22513 [pid 22927] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22925] rt_sigprocmask(SIG_SETMASK, [], [pid 22927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22927] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22925] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22927] <... futex resumed>) = 0 [pid 22925] <... futex resumed>) = 1 [pid 22927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22925] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22927] <... bpf resumed>) = 5 [pid 22927] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22925] <... futex resumed>) = 0 [pid 22927] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22925] close(3) = 0 [pid 22925] close(4) = 0 [pid 22925] close(5) = 0 [pid 22925] close(6) = -1 EBADF (Bad file descriptor) [pid 22925] close(7) = -1 EBADF (Bad file descriptor) [pid 22925] close(8) = -1 EBADF (Bad file descriptor) [pid 22925] close(9) = -1 EBADF (Bad file descriptor) [pid 22925] close(10) = -1 EBADF (Bad file descriptor) [pid 22925] close(11) = -1 EBADF (Bad file descriptor) [pid 22925] close(12) = -1 EBADF (Bad file descriptor) [pid 22925] close(13) = -1 EBADF (Bad file descriptor) [pid 22925] close(14) = -1 EBADF (Bad file descriptor) [pid 22925] close(15) = -1 EBADF (Bad file descriptor) [pid 22925] close(16) = -1 EBADF (Bad file descriptor) [pid 22925] close(17) = -1 EBADF (Bad file descriptor) [pid 22925] close(18) = -1 EBADF (Bad file descriptor) [pid 22925] close(19) = -1 EBADF (Bad file descriptor) [pid 22925] close(20) = -1 EBADF (Bad file descriptor) [pid 22925] close(21) = -1 EBADF (Bad file descriptor) [pid 22925] close(22) = -1 EBADF (Bad file descriptor) [pid 22925] close(23) = -1 EBADF (Bad file descriptor) [pid 22925] close(24) = -1 EBADF (Bad file descriptor) [pid 22925] close(25) = -1 EBADF (Bad file descriptor) [pid 22925] close(26) = -1 EBADF (Bad file descriptor) [pid 22925] close(27) = -1 EBADF (Bad file descriptor) [pid 22925] close(28) = -1 EBADF (Bad file descriptor) [pid 22925] close(29) = -1 EBADF (Bad file descriptor) [pid 22925] exit_group(0) = ? [pid 22926] <... futex resumed>) = ? [pid 22927] <... futex resumed>) = ? [pid 22927] +++ exited with 0 +++ [pid 22926] +++ exited with 0 +++ [pid 22925] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7776", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7776/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7776/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7776/cgroup.cpu") = 0 [pid 287] umount2("./7776/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7776/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7776/binderfs") = 0 [pid 287] umount2("./7776/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7776/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7776/cgroup") = 0 [pid 287] umount2("./7776/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7776/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7776/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7776") = 0 [pid 287] mkdir("./7777", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22928 attached [pid 22928] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22928] chdir("./7777") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22514 [pid 22928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22928] setpgid(0, 0) = 0 [pid 22928] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22928] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22928] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22928] write(3, "1000", 4) = 4 [pid 22928] close(3) = 0 [pid 22928] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22928] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22928] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22928] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22928] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22929 attached [pid 22929] set_robust_list(0x7f3b956fb9a0, 24 [pid 22928] <... clone3 resumed> => {parent_tid=[22515]}, 88) = 22515 [pid 22929] <... set_robust_list resumed>) = 0 [pid 22928] rt_sigprocmask(SIG_SETMASK, [], [pid 22929] rt_sigprocmask(SIG_SETMASK, [], [pid 22928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22928] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22928] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22929] <... bpf resumed>) = 3 [pid 22929] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22928] <... futex resumed>) = 0 [pid 22929] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22928] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22928] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22929] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22928] <... futex resumed>) = 0 [pid 22929] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22928] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22928] <... futex resumed>) = 0 [pid 22929] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22928] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22929] <... bpf resumed>) = 0 [pid 22928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22929] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22928] <... mmap resumed>) = 0x7f3b956ba000 [pid 22929] <... futex resumed>) = 0 [pid 22928] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22929] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22928] <... mprotect resumed>) = 0 [pid 22928] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22930 attached [pid 22930] set_robust_list(0x7f3b956da9a0, 24 [pid 22928] <... clone3 resumed> => {parent_tid=[22516]}, 88) = 22516 [pid 22930] <... set_robust_list resumed>) = 0 [pid 22930] rt_sigprocmask(SIG_SETMASK, [], [pid 22928] rt_sigprocmask(SIG_SETMASK, [], [pid 22930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22930] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22928] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22930] <... futex resumed>) = 0 [pid 22928] <... futex resumed>) = 1 [pid 22930] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22928] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22930] <... bpf resumed>) = 5 [pid 22930] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22928] <... futex resumed>) = 0 [pid 22930] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22928] close(3) = 0 [pid 22928] close(4) = 0 [pid 22928] close(5) = 0 [pid 22928] close(6) = -1 EBADF (Bad file descriptor) [pid 22928] close(7) = -1 EBADF (Bad file descriptor) [pid 22928] close(8) = -1 EBADF (Bad file descriptor) [pid 22928] close(9) = -1 EBADF (Bad file descriptor) [pid 22928] close(10) = -1 EBADF (Bad file descriptor) [pid 22928] close(11) = -1 EBADF (Bad file descriptor) [pid 22928] close(12) = -1 EBADF (Bad file descriptor) [pid 22928] close(13) = -1 EBADF (Bad file descriptor) [pid 22928] close(14) = -1 EBADF (Bad file descriptor) [pid 22928] close(15) = -1 EBADF (Bad file descriptor) [pid 22928] close(16) = -1 EBADF (Bad file descriptor) [pid 22928] close(17) = -1 EBADF (Bad file descriptor) [pid 22928] close(18) = -1 EBADF (Bad file descriptor) [pid 22928] close(19) = -1 EBADF (Bad file descriptor) [pid 22928] close(20) = -1 EBADF (Bad file descriptor) [pid 22928] close(21) = -1 EBADF (Bad file descriptor) [pid 22928] close(22) = -1 EBADF (Bad file descriptor) [pid 22928] close(23) = -1 EBADF (Bad file descriptor) [pid 22928] close(24) = -1 EBADF (Bad file descriptor) [pid 22928] close(25) = -1 EBADF (Bad file descriptor) [pid 22928] close(26) = -1 EBADF (Bad file descriptor) [pid 22928] close(27) = -1 EBADF (Bad file descriptor) [pid 22928] close(28) = -1 EBADF (Bad file descriptor) [pid 22928] close(29) = -1 EBADF (Bad file descriptor) [pid 22928] exit_group(0) = ? [pid 22929] <... futex resumed>) = ? [pid 22930] <... futex resumed>) = ? [pid 22929] +++ exited with 0 +++ [pid 22930] +++ exited with 0 +++ [pid 22928] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7777", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7777/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7777/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7777/cgroup.cpu") = 0 [pid 287] umount2("./7777/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7777/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7777/binderfs") = 0 [pid 287] umount2("./7777/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7777/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7777/cgroup") = 0 [pid 287] umount2("./7777/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7777/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7777/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7777") = 0 [pid 287] mkdir("./7778", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22931 attached [pid 22931] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22931] chdir("./7778" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22517 [pid 22931] <... chdir resumed>) = 0 [pid 22931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22931] setpgid(0, 0) = 0 [pid 22931] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22931] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22931] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22931] write(3, "1000", 4) = 4 [pid 22931] close(3) = 0 [pid 22931] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22931] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22931] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22931] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22932 attached [pid 22932] set_robust_list(0x7f3b956fb9a0, 24 [pid 22931] <... clone3 resumed> => {parent_tid=[22518]}, 88) = 22518 [pid 22932] <... set_robust_list resumed>) = 0 [pid 22931] rt_sigprocmask(SIG_SETMASK, [], [pid 22932] rt_sigprocmask(SIG_SETMASK, [], [pid 22931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22931] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22932] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22931] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22932] <... bpf resumed>) = 3 [pid 22932] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22931] <... futex resumed>) = 0 [pid 22932] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22931] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22931] <... futex resumed>) = 0 [pid 22932] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22931] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22932] <... bpf resumed>) = 4 [pid 22932] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22931] <... futex resumed>) = 0 [pid 22932] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22931] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22931] <... futex resumed>) = 0 [pid 22932] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22931] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22932] <... bpf resumed>) = 0 [pid 22931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22932] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22931] <... mmap resumed>) = 0x7f3b956ba000 [pid 22932] <... futex resumed>) = 0 [pid 22931] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22932] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22931] <... mprotect resumed>) = 0 [pid 22931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22933 attached [pid 22933] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22931] <... clone3 resumed> => {parent_tid=[22519]}, 88) = 22519 [pid 22933] rt_sigprocmask(SIG_SETMASK, [], [pid 22931] rt_sigprocmask(SIG_SETMASK, [], [pid 22933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22933] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22931] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22933] <... futex resumed>) = 0 [pid 22931] <... futex resumed>) = 1 [pid 22933] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22931] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22933] <... bpf resumed>) = 5 [pid 22933] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22931] <... futex resumed>) = 0 [pid 22933] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22931] close(3) = 0 [pid 22931] close(4) = 0 [pid 22931] close(5) = 0 [pid 22931] close(6) = -1 EBADF (Bad file descriptor) [pid 22931] close(7) = -1 EBADF (Bad file descriptor) [pid 22931] close(8) = -1 EBADF (Bad file descriptor) [pid 22931] close(9) = -1 EBADF (Bad file descriptor) [pid 22931] close(10) = -1 EBADF (Bad file descriptor) [pid 22931] close(11) = -1 EBADF (Bad file descriptor) [pid 22931] close(12) = -1 EBADF (Bad file descriptor) [pid 22931] close(13) = -1 EBADF (Bad file descriptor) [pid 22931] close(14) = -1 EBADF (Bad file descriptor) [pid 22931] close(15) = -1 EBADF (Bad file descriptor) [pid 22931] close(16) = -1 EBADF (Bad file descriptor) [pid 22931] close(17) = -1 EBADF (Bad file descriptor) [pid 22931] close(18) = -1 EBADF (Bad file descriptor) [pid 22931] close(19) = -1 EBADF (Bad file descriptor) [pid 22931] close(20) = -1 EBADF (Bad file descriptor) [pid 22931] close(21) = -1 EBADF (Bad file descriptor) [pid 22931] close(22) = -1 EBADF (Bad file descriptor) [pid 22931] close(23) = -1 EBADF (Bad file descriptor) [pid 22931] close(24) = -1 EBADF (Bad file descriptor) [pid 22931] close(25) = -1 EBADF (Bad file descriptor) [pid 22931] close(26) = -1 EBADF (Bad file descriptor) [pid 22931] close(27) = -1 EBADF (Bad file descriptor) [pid 22931] close(28) = -1 EBADF (Bad file descriptor) [pid 22931] close(29) = -1 EBADF (Bad file descriptor) [pid 22931] exit_group(0 [pid 22932] <... futex resumed>) = 231 [pid 22931] <... exit_group resumed>) = ? [pid 22933] <... futex resumed>) = ? [pid 22933] +++ exited with 0 +++ [pid 22932] +++ exited with 0 +++ [pid 22931] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7778", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7778/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7778/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7778/cgroup.cpu") = 0 [pid 287] umount2("./7778/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7778/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7778/binderfs") = 0 [pid 287] umount2("./7778/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7778/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7778/cgroup") = 0 [pid 287] umount2("./7778/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7778/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7778/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7778") = 0 [pid 287] mkdir("./7779", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22934 attached [pid 22934] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22520 [pid 22934] chdir("./7779") = 0 [pid 22934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22934] setpgid(0, 0) = 0 [pid 22934] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22934] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22934] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22934] write(3, "1000", 4) = 4 [pid 22934] close(3) = 0 [pid 22934] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22934] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22934] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22934] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22935 attached [pid 22935] set_robust_list(0x7f3b956fb9a0, 24 [pid 22934] <... clone3 resumed> => {parent_tid=[22521]}, 88) = 22521 [pid 22935] <... set_robust_list resumed>) = 0 [pid 22934] rt_sigprocmask(SIG_SETMASK, [], [pid 22935] rt_sigprocmask(SIG_SETMASK, [], [pid 22934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22934] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22935] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22934] <... futex resumed>) = 0 [pid 22934] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22935] <... bpf resumed>) = 3 [pid 22935] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22934] <... futex resumed>) = 0 [pid 22935] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22934] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22934] <... futex resumed>) = 0 [pid 22935] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22934] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22935] <... bpf resumed>) = 4 [pid 22935] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22934] <... futex resumed>) = 0 [pid 22935] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22934] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22934] <... futex resumed>) = 0 [pid 22935] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22934] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22935] <... bpf resumed>) = 0 [pid 22934] <... futex resumed>) = 0 [pid 22935] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22935] <... futex resumed>) = 0 [pid 22934] <... mmap resumed>) = 0x7f3b956ba000 [pid 22935] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22934] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22936 attached [pid 22936] set_robust_list(0x7f3b956da9a0, 24 [pid 22934] <... clone3 resumed> => {parent_tid=[22522]}, 88) = 22522 [pid 22936] <... set_robust_list resumed>) = 0 [pid 22936] rt_sigprocmask(SIG_SETMASK, [], [pid 22934] rt_sigprocmask(SIG_SETMASK, [], [pid 22936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22936] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22934] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22936] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22934] <... futex resumed>) = 0 [pid 22934] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22936] <... bpf resumed>) = 5 [pid 22936] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22934] <... futex resumed>) = 0 [pid 22936] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22934] close(3) = 0 [pid 22934] close(4) = 0 [pid 22934] close(5) = 0 [pid 22934] close(6) = -1 EBADF (Bad file descriptor) [pid 22934] close(7) = -1 EBADF (Bad file descriptor) [pid 22934] close(8) = -1 EBADF (Bad file descriptor) [pid 22934] close(9) = -1 EBADF (Bad file descriptor) [pid 22934] close(10) = -1 EBADF (Bad file descriptor) [pid 22934] close(11) = -1 EBADF (Bad file descriptor) [pid 22934] close(12) = -1 EBADF (Bad file descriptor) [pid 22934] close(13) = -1 EBADF (Bad file descriptor) [pid 22934] close(14) = -1 EBADF (Bad file descriptor) [pid 22934] close(15) = -1 EBADF (Bad file descriptor) [pid 22934] close(16) = -1 EBADF (Bad file descriptor) [pid 22934] close(17) = -1 EBADF (Bad file descriptor) [pid 22934] close(18) = -1 EBADF (Bad file descriptor) [pid 22934] close(19) = -1 EBADF (Bad file descriptor) [pid 22934] close(20) = -1 EBADF (Bad file descriptor) [pid 22934] close(21) = -1 EBADF (Bad file descriptor) [pid 22934] close(22) = -1 EBADF (Bad file descriptor) [pid 22934] close(23) = -1 EBADF (Bad file descriptor) [pid 22934] close(24) = -1 EBADF (Bad file descriptor) [pid 22934] close(25) = -1 EBADF (Bad file descriptor) [pid 22934] close(26) = -1 EBADF (Bad file descriptor) [pid 22934] close(27) = -1 EBADF (Bad file descriptor) [pid 22934] close(28) = -1 EBADF (Bad file descriptor) [pid 22934] close(29) = -1 EBADF (Bad file descriptor) [pid 22934] exit_group(0 [pid 22936] <... futex resumed>) = ? [pid 22935] <... futex resumed>) = ? [pid 22934] <... exit_group resumed>) = ? [pid 22936] +++ exited with 0 +++ [pid 22935] +++ exited with 0 +++ [pid 22934] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7779", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7779/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7779/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7779/cgroup.cpu") = 0 [pid 287] umount2("./7779/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7779/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7779/binderfs") = 0 [pid 287] umount2("./7779/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7779/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7779/cgroup") = 0 [pid 287] umount2("./7779/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7779/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7779/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7779") = 0 [pid 287] mkdir("./7780", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22937 attached [pid 22937] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22523 [pid 22937] chdir("./7780") = 0 [pid 22937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22937] setpgid(0, 0) = 0 [pid 22937] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22937] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22937] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22937] write(3, "1000", 4) = 4 [pid 22937] close(3) = 0 [pid 22937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22937] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22937] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22937] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22938 attached [pid 22938] set_robust_list(0x7f3b956fb9a0, 24 [pid 22937] <... clone3 resumed> => {parent_tid=[22524]}, 88) = 22524 [pid 22938] <... set_robust_list resumed>) = 0 [pid 22937] rt_sigprocmask(SIG_SETMASK, [], [pid 22938] rt_sigprocmask(SIG_SETMASK, [], [pid 22937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22937] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22937] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22938] <... bpf resumed>) = 3 [pid 22938] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22937] <... futex resumed>) = 0 [pid 22937] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22938] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22937] <... futex resumed>) = 0 [pid 22937] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22938] <... bpf resumed>) = 4 [pid 22938] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22937] <... futex resumed>) = 0 [pid 22938] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22937] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22937] <... futex resumed>) = 0 [pid 22938] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22937] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22938] <... bpf resumed>) = 0 [pid 22937] <... futex resumed>) = 0 [pid 22938] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22938] <... futex resumed>) = 0 [pid 22937] <... mmap resumed>) = 0x7f3b956ba000 [pid 22938] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22937] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22939 attached [pid 22939] set_robust_list(0x7f3b956da9a0, 24 [pid 22937] <... clone3 resumed> => {parent_tid=[22525]}, 88) = 22525 [pid 22939] <... set_robust_list resumed>) = 0 [pid 22939] rt_sigprocmask(SIG_SETMASK, [], [pid 22937] rt_sigprocmask(SIG_SETMASK, [], [pid 22939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22939] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22937] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22939] <... futex resumed>) = 0 [pid 22937] <... futex resumed>) = 1 [pid 22939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22937] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22939] <... bpf resumed>) = 5 [pid 22939] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22937] <... futex resumed>) = 0 [pid 22937] close(3 [pid 22939] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22937] <... close resumed>) = 0 [pid 22937] close(4) = 0 [pid 22937] close(5) = 0 [pid 22937] close(6) = -1 EBADF (Bad file descriptor) [pid 22937] close(7) = -1 EBADF (Bad file descriptor) [pid 22937] close(8) = -1 EBADF (Bad file descriptor) [pid 22937] close(9) = -1 EBADF (Bad file descriptor) [pid 22937] close(10) = -1 EBADF (Bad file descriptor) [pid 22937] close(11) = -1 EBADF (Bad file descriptor) [pid 22937] close(12) = -1 EBADF (Bad file descriptor) [pid 22937] close(13) = -1 EBADF (Bad file descriptor) [pid 22937] close(14) = -1 EBADF (Bad file descriptor) [pid 22937] close(15) = -1 EBADF (Bad file descriptor) [pid 22937] close(16) = -1 EBADF (Bad file descriptor) [pid 22937] close(17) = -1 EBADF (Bad file descriptor) [pid 22937] close(18) = -1 EBADF (Bad file descriptor) [pid 22937] close(19) = -1 EBADF (Bad file descriptor) [pid 22937] close(20) = -1 EBADF (Bad file descriptor) [pid 22937] close(21) = -1 EBADF (Bad file descriptor) [pid 22937] close(22) = -1 EBADF (Bad file descriptor) [pid 22937] close(23) = -1 EBADF (Bad file descriptor) [pid 22937] close(24) = -1 EBADF (Bad file descriptor) [pid 22937] close(25) = -1 EBADF (Bad file descriptor) [pid 22937] close(26) = -1 EBADF (Bad file descriptor) [pid 22937] close(27) = -1 EBADF (Bad file descriptor) [pid 22937] close(28) = -1 EBADF (Bad file descriptor) [pid 22937] close(29) = -1 EBADF (Bad file descriptor) [pid 22937] exit_group(0) = ? [pid 22938] <... futex resumed>) = ? [pid 22939] <... futex resumed>) = ? [pid 22938] +++ exited with 0 +++ [pid 22939] +++ exited with 0 +++ [pid 22937] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7780", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7780/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7780/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7780/cgroup.cpu") = 0 [pid 287] umount2("./7780/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7780/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7780/binderfs") = 0 [pid 287] umount2("./7780/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7780/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7780/cgroup") = 0 [pid 287] umount2("./7780/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7780/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7780/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7780") = 0 [pid 287] mkdir("./7781", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22940 attached [pid 22940] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22526 [pid 22940] chdir("./7781") = 0 [pid 22940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22940] setpgid(0, 0) = 0 [pid 22940] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22940] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22940] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22940] write(3, "1000", 4) = 4 [pid 22940] close(3) = 0 [pid 22940] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22940] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22940] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22940] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22940] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22941 attached [pid 22941] set_robust_list(0x7f3b956fb9a0, 24 [pid 22940] <... clone3 resumed> => {parent_tid=[22527]}, 88) = 22527 [pid 22941] <... set_robust_list resumed>) = 0 [pid 22940] rt_sigprocmask(SIG_SETMASK, [], [pid 22941] rt_sigprocmask(SIG_SETMASK, [], [pid 22940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22940] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22940] <... futex resumed>) = 0 [pid 22940] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22941] <... bpf resumed>) = 3 [pid 22941] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22940] <... futex resumed>) = 0 [pid 22940] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22940] <... futex resumed>) = 0 [pid 22940] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22941] <... bpf resumed>) = 4 [pid 22941] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22940] <... futex resumed>) = 0 [pid 22940] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22941] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22940] <... futex resumed>) = 0 [pid 22941] <... bpf resumed>) = 0 [pid 22940] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22941] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22941] <... futex resumed>) = 0 [pid 22940] <... mmap resumed>) = 0x7f3b956ba000 [pid 22941] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22940] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22940] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22942 attached [pid 22942] set_robust_list(0x7f3b956da9a0, 24 [pid 22940] <... clone3 resumed> => {parent_tid=[22528]}, 88) = 22528 [pid 22942] <... set_robust_list resumed>) = 0 [pid 22942] rt_sigprocmask(SIG_SETMASK, [], [pid 22940] rt_sigprocmask(SIG_SETMASK, [], [pid 22942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22942] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22940] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22942] <... futex resumed>) = 0 [pid 22940] <... futex resumed>) = 1 [pid 22942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22940] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22942] <... bpf resumed>) = 5 [pid 22942] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22940] <... futex resumed>) = 0 [pid 22942] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22940] close(3) = 0 [pid 22940] close(4) = 0 [pid 22940] close(5) = 0 [pid 22940] close(6) = -1 EBADF (Bad file descriptor) [pid 22940] close(7) = -1 EBADF (Bad file descriptor) [pid 22940] close(8) = -1 EBADF (Bad file descriptor) [pid 22940] close(9) = -1 EBADF (Bad file descriptor) [pid 22940] close(10) = -1 EBADF (Bad file descriptor) [pid 22940] close(11) = -1 EBADF (Bad file descriptor) [pid 22940] close(12) = -1 EBADF (Bad file descriptor) [pid 22940] close(13) = -1 EBADF (Bad file descriptor) [pid 22940] close(14) = -1 EBADF (Bad file descriptor) [pid 22940] close(15) = -1 EBADF (Bad file descriptor) [pid 22940] close(16) = -1 EBADF (Bad file descriptor) [pid 22940] close(17) = -1 EBADF (Bad file descriptor) [pid 22940] close(18) = -1 EBADF (Bad file descriptor) [pid 22940] close(19) = -1 EBADF (Bad file descriptor) [pid 22940] close(20) = -1 EBADF (Bad file descriptor) [pid 22940] close(21) = -1 EBADF (Bad file descriptor) [pid 22940] close(22) = -1 EBADF (Bad file descriptor) [pid 22940] close(23) = -1 EBADF (Bad file descriptor) [pid 22940] close(24) = -1 EBADF (Bad file descriptor) [pid 22940] close(25) = -1 EBADF (Bad file descriptor) [pid 22940] close(26) = -1 EBADF (Bad file descriptor) [pid 22940] close(27) = -1 EBADF (Bad file descriptor) [pid 22940] close(28) = -1 EBADF (Bad file descriptor) [pid 22940] close(29) = -1 EBADF (Bad file descriptor) [pid 22940] exit_group(0) = ? [pid 22941] <... futex resumed>) = ? [pid 22942] <... futex resumed>) = ? [pid 22941] +++ exited with 0 +++ [pid 22942] +++ exited with 0 +++ [pid 22940] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7781", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7781/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7781/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7781/cgroup.cpu") = 0 [pid 287] umount2("./7781/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7781/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7781/binderfs") = 0 [pid 287] umount2("./7781/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7781/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7781/cgroup") = 0 [pid 287] umount2("./7781/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7781/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7781/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7781") = 0 [pid 287] mkdir("./7782", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22943 attached [pid 22943] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22943] chdir("./7782" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22529 [pid 22943] <... chdir resumed>) = 0 [pid 22943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22943] setpgid(0, 0) = 0 [pid 22943] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22943] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22943] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22943] write(3, "1000", 4) = 4 [pid 22943] close(3) = 0 [pid 22943] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22943] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22943] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22943] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22944 attached [pid 22944] set_robust_list(0x7f3b956fb9a0, 24 [pid 22943] <... clone3 resumed> => {parent_tid=[22530]}, 88) = 22530 [pid 22944] <... set_robust_list resumed>) = 0 [pid 22943] rt_sigprocmask(SIG_SETMASK, [], [pid 22944] rt_sigprocmask(SIG_SETMASK, [], [pid 22943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22943] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22943] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22944] <... bpf resumed>) = 3 [pid 22944] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22943] <... futex resumed>) = 0 [pid 22944] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22943] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22943] <... futex resumed>) = 0 [pid 22944] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22943] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22944] <... bpf resumed>) = 4 [pid 22944] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22943] <... futex resumed>) = 0 [pid 22944] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22943] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22943] <... futex resumed>) = 0 [pid 22944] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22943] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22944] <... bpf resumed>) = 0 [pid 22943] <... futex resumed>) = 0 [pid 22944] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22944] <... futex resumed>) = 0 [pid 22943] <... mmap resumed>) = 0x7f3b956ba000 [pid 22944] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22943] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22945 attached => {parent_tid=[22531]}, 88) = 22531 [pid 22945] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22943] rt_sigprocmask(SIG_SETMASK, [], [pid 22945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22945] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22943] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22945] <... futex resumed>) = 0 [pid 22943] <... futex resumed>) = 1 [pid 22945] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22943] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22945] <... bpf resumed>) = 5 [pid 22945] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22943] <... futex resumed>) = 0 [pid 22945] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22943] close(3) = 0 [pid 22943] close(4) = 0 [pid 22943] close(5) = 0 [pid 22943] close(6) = -1 EBADF (Bad file descriptor) [pid 22943] close(7) = -1 EBADF (Bad file descriptor) [pid 22943] close(8) = -1 EBADF (Bad file descriptor) [pid 22943] close(9) = -1 EBADF (Bad file descriptor) [pid 22943] close(10) = -1 EBADF (Bad file descriptor) [pid 22943] close(11) = -1 EBADF (Bad file descriptor) [pid 22943] close(12) = -1 EBADF (Bad file descriptor) [pid 22943] close(13) = -1 EBADF (Bad file descriptor) [pid 22943] close(14) = -1 EBADF (Bad file descriptor) [pid 22943] close(15) = -1 EBADF (Bad file descriptor) [pid 22943] close(16) = -1 EBADF (Bad file descriptor) [pid 22943] close(17) = -1 EBADF (Bad file descriptor) [pid 22943] close(18) = -1 EBADF (Bad file descriptor) [pid 22943] close(19) = -1 EBADF (Bad file descriptor) [pid 22943] close(20) = -1 EBADF (Bad file descriptor) [pid 22943] close(21) = -1 EBADF (Bad file descriptor) [pid 22943] close(22) = -1 EBADF (Bad file descriptor) [pid 22943] close(23) = -1 EBADF (Bad file descriptor) [pid 22943] close(24) = -1 EBADF (Bad file descriptor) [pid 22943] close(25) = -1 EBADF (Bad file descriptor) [pid 22943] close(26) = -1 EBADF (Bad file descriptor) [pid 22943] close(27) = -1 EBADF (Bad file descriptor) [pid 22943] close(28) = -1 EBADF (Bad file descriptor) [pid 22943] close(29) = -1 EBADF (Bad file descriptor) [pid 22943] exit_group(0 [pid 22944] <... futex resumed>) = ? [pid 22943] <... exit_group resumed>) = ? [pid 22945] <... futex resumed>) = ? [pid 22944] +++ exited with 0 +++ [pid 22945] +++ exited with 0 +++ [pid 22943] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7782", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7782/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7782/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7782/cgroup.cpu") = 0 [pid 287] umount2("./7782/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7782/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7782/binderfs") = 0 [pid 287] umount2("./7782/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7782/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7782/cgroup") = 0 [pid 287] umount2("./7782/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7782/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7782/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7782") = 0 [pid 287] mkdir("./7783", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22532 ./strace-static-x86_64: Process 22946 attached [pid 22946] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22946] chdir("./7783") = 0 [pid 22946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22946] setpgid(0, 0) = 0 [pid 22946] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22946] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22946] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22946] write(3, "1000", 4) = 4 [pid 22946] close(3) = 0 [pid 22946] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22946] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22946] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22946] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22947 attached [pid 22947] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22946] <... clone3 resumed> => {parent_tid=[22533]}, 88) = 22533 [pid 22947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22946] rt_sigprocmask(SIG_SETMASK, [], [pid 22947] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22946] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22947] <... futex resumed>) = 0 [pid 22946] <... futex resumed>) = 1 [pid 22947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22946] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22947] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22947] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22946] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22946] <... futex resumed>) = 0 [pid 22947] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22946] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22947] <... bpf resumed>) = 4 [pid 22947] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22947] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22946] <... futex resumed>) = 0 [pid 22946] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22947] <... futex resumed>) = 0 [pid 22946] <... futex resumed>) = 1 [pid 22947] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22946] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22947] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22946] <... futex resumed>) = 0 [pid 22947] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22946] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22948 attached [pid 22948] set_robust_list(0x7f3b956da9a0, 24 [pid 22946] <... clone3 resumed> => {parent_tid=[22534]}, 88) = 22534 [pid 22948] <... set_robust_list resumed>) = 0 [pid 22948] rt_sigprocmask(SIG_SETMASK, [], [pid 22946] rt_sigprocmask(SIG_SETMASK, [], [pid 22948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22948] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22946] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22946] <... futex resumed>) = 0 [pid 22948] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22946] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22948] <... futex resumed>) = 0 [pid 22948] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22946] close(3) = 0 [pid 22946] close(4) = 0 [pid 22946] close(5) = 0 [pid 22946] close(6) = -1 EBADF (Bad file descriptor) [pid 22946] close(7) = -1 EBADF (Bad file descriptor) [pid 22946] close(8) = -1 EBADF (Bad file descriptor) [pid 22946] close(9) = -1 EBADF (Bad file descriptor) [pid 22946] close(10) = -1 EBADF (Bad file descriptor) [pid 22946] close(11) = -1 EBADF (Bad file descriptor) [pid 22946] close(12) = -1 EBADF (Bad file descriptor) [pid 22946] close(13) = -1 EBADF (Bad file descriptor) [pid 22946] close(14) = -1 EBADF (Bad file descriptor) [pid 22946] close(15) = -1 EBADF (Bad file descriptor) [pid 22946] close(16) = -1 EBADF (Bad file descriptor) [pid 22946] close(17) = -1 EBADF (Bad file descriptor) [pid 22946] close(18) = -1 EBADF (Bad file descriptor) [pid 22946] close(19) = -1 EBADF (Bad file descriptor) [pid 22946] close(20) = -1 EBADF (Bad file descriptor) [pid 22946] close(21) = -1 EBADF (Bad file descriptor) [pid 22946] close(22) = -1 EBADF (Bad file descriptor) [pid 22946] close(23) = -1 EBADF (Bad file descriptor) [pid 22946] close(24) = -1 EBADF (Bad file descriptor) [pid 22946] close(25) = -1 EBADF (Bad file descriptor) [pid 22946] close(26) = -1 EBADF (Bad file descriptor) [pid 22946] close(27) = -1 EBADF (Bad file descriptor) [pid 22946] close(28) = -1 EBADF (Bad file descriptor) [pid 22946] close(29) = -1 EBADF (Bad file descriptor) [pid 22946] exit_group(0 [pid 22948] <... futex resumed>) = ? [pid 22947] <... futex resumed>) = ? [pid 22946] <... exit_group resumed>) = ? [pid 22948] +++ exited with 0 +++ [pid 22947] +++ exited with 0 +++ [pid 22946] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7783", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7783/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7783/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7783/cgroup.cpu") = 0 [pid 287] umount2("./7783/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7783/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7783/binderfs") = 0 [pid 287] umount2("./7783/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7783/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7783/cgroup") = 0 [pid 287] umount2("./7783/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7783/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7783/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7783") = 0 [pid 287] mkdir("./7784", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22949 attached [pid 22949] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22949] chdir("./7784" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22535 [pid 22949] <... chdir resumed>) = 0 [pid 22949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22949] setpgid(0, 0) = 0 [pid 22949] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22949] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22949] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22949] write(3, "1000", 4) = 4 [pid 22949] close(3) = 0 [pid 22949] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22949] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22949] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22949] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22949] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22950 attached [pid 22950] set_robust_list(0x7f3b956fb9a0, 24 [pid 22949] <... clone3 resumed> => {parent_tid=[22536]}, 88) = 22536 [pid 22950] <... set_robust_list resumed>) = 0 [pid 22949] rt_sigprocmask(SIG_SETMASK, [], [pid 22950] rt_sigprocmask(SIG_SETMASK, [], [pid 22949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22949] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22949] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22950] <... bpf resumed>) = 3 [pid 22950] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22949] <... futex resumed>) = 0 [pid 22949] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22950] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22949] <... futex resumed>) = 0 [pid 22949] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22950] <... bpf resumed>) = 4 [pid 22950] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22949] <... futex resumed>) = 0 [pid 22950] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22949] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22949] <... futex resumed>) = 0 [pid 22950] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22949] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22950] <... bpf resumed>) = 0 [pid 22949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22950] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22949] <... mmap resumed>) = 0x7f3b956ba000 [pid 22950] <... futex resumed>) = 0 [pid 22949] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22950] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22949] <... mprotect resumed>) = 0 [pid 22949] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22951 attached [pid 22951] set_robust_list(0x7f3b956da9a0, 24 [pid 22949] <... clone3 resumed> => {parent_tid=[22537]}, 88) = 22537 [pid 22951] <... set_robust_list resumed>) = 0 [pid 22951] rt_sigprocmask(SIG_SETMASK, [], [pid 22949] rt_sigprocmask(SIG_SETMASK, [], [pid 22951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22951] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22949] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22951] <... futex resumed>) = 0 [pid 22949] <... futex resumed>) = 1 [pid 22951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22949] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22951] <... bpf resumed>) = 5 [pid 22951] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22949] <... futex resumed>) = 0 [pid 22951] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22949] close(3) = 0 [pid 22949] close(4) = 0 [pid 22949] close(5) = 0 [pid 22949] close(6) = -1 EBADF (Bad file descriptor) [pid 22949] close(7) = -1 EBADF (Bad file descriptor) [pid 22949] close(8) = -1 EBADF (Bad file descriptor) [pid 22949] close(9) = -1 EBADF (Bad file descriptor) [pid 22949] close(10) = -1 EBADF (Bad file descriptor) [pid 22949] close(11) = -1 EBADF (Bad file descriptor) [pid 22949] close(12) = -1 EBADF (Bad file descriptor) [pid 22949] close(13) = -1 EBADF (Bad file descriptor) [pid 22949] close(14) = -1 EBADF (Bad file descriptor) [pid 22949] close(15) = -1 EBADF (Bad file descriptor) [pid 22949] close(16) = -1 EBADF (Bad file descriptor) [pid 22949] close(17) = -1 EBADF (Bad file descriptor) [pid 22949] close(18) = -1 EBADF (Bad file descriptor) [pid 22949] close(19) = -1 EBADF (Bad file descriptor) [pid 22949] close(20) = -1 EBADF (Bad file descriptor) [pid 22949] close(21) = -1 EBADF (Bad file descriptor) [pid 22949] close(22) = -1 EBADF (Bad file descriptor) [pid 22949] close(23) = -1 EBADF (Bad file descriptor) [pid 22949] close(24) = -1 EBADF (Bad file descriptor) [pid 22949] close(25) = -1 EBADF (Bad file descriptor) [pid 22949] close(26) = -1 EBADF (Bad file descriptor) [pid 22949] close(27) = -1 EBADF (Bad file descriptor) [pid 22949] close(28) = -1 EBADF (Bad file descriptor) [pid 22949] close(29) = -1 EBADF (Bad file descriptor) [pid 22949] exit_group(0 [pid 22951] <... futex resumed>) = ? [pid 22950] <... futex resumed>) = ? [pid 22949] <... exit_group resumed>) = ? [pid 22951] +++ exited with 0 +++ [pid 22950] +++ exited with 0 +++ [pid 22949] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7784", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7784/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7784/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7784/cgroup.cpu") = 0 [pid 287] umount2("./7784/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7784/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7784/binderfs") = 0 [pid 287] umount2("./7784/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7784/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7784/cgroup") = 0 [pid 287] umount2("./7784/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7784/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7784/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7784") = 0 [pid 287] mkdir("./7785", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22538 ./strace-static-x86_64: Process 22952 attached [pid 22952] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22952] chdir("./7785") = 0 [pid 22952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22952] setpgid(0, 0) = 0 [pid 22952] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22952] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22952] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22952] write(3, "1000", 4) = 4 [pid 22952] close(3) = 0 [pid 22952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22952] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22952] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22952] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22952] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22953 attached [pid 22953] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22953] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22952] <... clone3 resumed> => {parent_tid=[22539]}, 88) = 22539 [pid 22952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22952] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22953] <... futex resumed>) = 0 [pid 22952] <... futex resumed>) = 1 [pid 22953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22952] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22953] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22953] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22952] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22953] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22952] <... futex resumed>) = 0 [pid 22953] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22952] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22953] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22952] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22953] <... futex resumed>) = 0 [pid 22952] <... futex resumed>) = 1 [pid 22953] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22952] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22953] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22952] <... futex resumed>) = 0 [pid 22953] <... futex resumed>) = 0 [pid 22952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22953] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22952] <... mmap resumed>) = 0x7f3b956ba000 [pid 22952] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22952] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22954 attached [pid 22954] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22954] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22952] <... clone3 resumed> => {parent_tid=[22540]}, 88) = 22540 [pid 22952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22952] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22954] <... futex resumed>) = 0 [pid 22952] <... futex resumed>) = 1 [pid 22954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22952] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22954] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22954] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22952] close(3) = 0 [pid 22952] close(4) = 0 [pid 22952] close(5) = 0 [pid 22952] close(6) = -1 EBADF (Bad file descriptor) [pid 22952] close(7) = -1 EBADF (Bad file descriptor) [pid 22952] close(8) = -1 EBADF (Bad file descriptor) [pid 22952] close(9) = -1 EBADF (Bad file descriptor) [pid 22952] close(10) = -1 EBADF (Bad file descriptor) [pid 22952] close(11) = -1 EBADF (Bad file descriptor) [pid 22952] close(12) = -1 EBADF (Bad file descriptor) [pid 22952] close(13) = -1 EBADF (Bad file descriptor) [pid 22952] close(14) = -1 EBADF (Bad file descriptor) [pid 22952] close(15) = -1 EBADF (Bad file descriptor) [pid 22952] close(16) = -1 EBADF (Bad file descriptor) [pid 22952] close(17) = -1 EBADF (Bad file descriptor) [pid 22952] close(18) = -1 EBADF (Bad file descriptor) [pid 22952] close(19) = -1 EBADF (Bad file descriptor) [pid 22952] close(20) = -1 EBADF (Bad file descriptor) [pid 22952] close(21) = -1 EBADF (Bad file descriptor) [pid 22952] close(22) = -1 EBADF (Bad file descriptor) [pid 22952] close(23) = -1 EBADF (Bad file descriptor) [pid 22952] close(24) = -1 EBADF (Bad file descriptor) [pid 22952] close(25) = -1 EBADF (Bad file descriptor) [pid 22952] close(26) = -1 EBADF (Bad file descriptor) [pid 22952] close(27) = -1 EBADF (Bad file descriptor) [pid 22952] close(28) = -1 EBADF (Bad file descriptor) [pid 22952] close(29) = -1 EBADF (Bad file descriptor) [pid 22952] exit_group(0 [pid 22954] <... futex resumed>) = ? [pid 22953] <... futex resumed>) = ? [pid 22952] <... exit_group resumed>) = ? [pid 22954] +++ exited with 0 +++ [pid 22953] +++ exited with 0 +++ [pid 22952] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7785", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7785/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7785/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7785/cgroup.cpu") = 0 [pid 287] umount2("./7785/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7785/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7785/binderfs") = 0 [pid 287] umount2("./7785/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7785/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7785/cgroup") = 0 [pid 287] umount2("./7785/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7785/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7785/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7785") = 0 [pid 287] mkdir("./7786", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22955 attached [pid 22955] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22955] chdir("./7786") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22541 [pid 22955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22955] setpgid(0, 0) = 0 [pid 22955] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22955] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22955] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22955] write(3, "1000", 4) = 4 [pid 22955] close(3) = 0 [pid 22955] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22955] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22955] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22955] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22955] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22956 attached [pid 22956] set_robust_list(0x7f3b956fb9a0, 24 [pid 22955] <... clone3 resumed> => {parent_tid=[22542]}, 88) = 22542 [pid 22956] <... set_robust_list resumed>) = 0 [pid 22955] rt_sigprocmask(SIG_SETMASK, [], [pid 22956] rt_sigprocmask(SIG_SETMASK, [], [pid 22955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22955] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22955] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22956] <... bpf resumed>) = 3 [pid 22956] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22955] <... futex resumed>) = 0 [pid 22956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22955] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22956] <... bpf resumed>) = 4 [pid 22955] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22956] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22956] <... futex resumed>) = 0 [pid 22955] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22956] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22955] <... futex resumed>) = 0 [pid 22956] <... bpf resumed>) = 0 [pid 22955] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22956] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22955] <... futex resumed>) = 0 [pid 22956] <... futex resumed>) = 0 [pid 22955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22956] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22955] <... mmap resumed>) = 0x7f3b956ba000 [pid 22955] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22955] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22957 attached [pid 22957] set_robust_list(0x7f3b956da9a0, 24 [pid 22955] <... clone3 resumed> => {parent_tid=[22543]}, 88) = 22543 [pid 22957] <... set_robust_list resumed>) = 0 [pid 22957] rt_sigprocmask(SIG_SETMASK, [], [pid 22955] rt_sigprocmask(SIG_SETMASK, [], [pid 22957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22957] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22955] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22957] <... futex resumed>) = 0 [pid 22955] <... futex resumed>) = 1 [pid 22957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22955] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22957] <... bpf resumed>) = 5 [pid 22957] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22957] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22955] <... futex resumed>) = 0 [pid 22955] close(3) = 0 [pid 22955] close(4) = 0 [pid 22955] close(5) = 0 [pid 22955] close(6) = -1 EBADF (Bad file descriptor) [pid 22955] close(7) = -1 EBADF (Bad file descriptor) [pid 22955] close(8) = -1 EBADF (Bad file descriptor) [pid 22955] close(9) = -1 EBADF (Bad file descriptor) [pid 22955] close(10) = -1 EBADF (Bad file descriptor) [pid 22955] close(11) = -1 EBADF (Bad file descriptor) [pid 22955] close(12) = -1 EBADF (Bad file descriptor) [pid 22955] close(13) = -1 EBADF (Bad file descriptor) [pid 22955] close(14) = -1 EBADF (Bad file descriptor) [pid 22955] close(15) = -1 EBADF (Bad file descriptor) [pid 22955] close(16) = -1 EBADF (Bad file descriptor) [pid 22955] close(17) = -1 EBADF (Bad file descriptor) [pid 22955] close(18) = -1 EBADF (Bad file descriptor) [pid 22955] close(19) = -1 EBADF (Bad file descriptor) [pid 22955] close(20) = -1 EBADF (Bad file descriptor) [pid 22955] close(21) = -1 EBADF (Bad file descriptor) [pid 22955] close(22) = -1 EBADF (Bad file descriptor) [pid 22955] close(23) = -1 EBADF (Bad file descriptor) [pid 22955] close(24) = -1 EBADF (Bad file descriptor) [pid 22955] close(25) = -1 EBADF (Bad file descriptor) [pid 22955] close(26) = -1 EBADF (Bad file descriptor) [pid 22955] close(27) = -1 EBADF (Bad file descriptor) [pid 22955] close(28) = -1 EBADF (Bad file descriptor) [pid 22955] close(29) = -1 EBADF (Bad file descriptor) [pid 22955] exit_group(0 [pid 22956] <... futex resumed>) = ? [pid 22955] <... exit_group resumed>) = ? [pid 22957] <... futex resumed>) = ? [pid 22956] +++ exited with 0 +++ [pid 22957] +++ exited with 0 +++ [pid 22955] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7786", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7786/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7786/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7786/cgroup.cpu") = 0 [pid 287] umount2("./7786/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7786/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7786/binderfs") = 0 [pid 287] umount2("./7786/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7786/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7786/cgroup") = 0 [pid 287] umount2("./7786/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7786/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7786/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7786") = 0 [pid 287] mkdir("./7787", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22544 ./strace-static-x86_64: Process 22958 attached [pid 22958] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22958] chdir("./7787") = 0 [pid 22958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22958] setpgid(0, 0) = 0 [pid 22958] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22958] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22958] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22958] write(3, "1000", 4) = 4 [pid 22958] close(3) = 0 [pid 22958] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22958] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22958] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22958] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22959 attached [pid 22959] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22958] <... clone3 resumed> => {parent_tid=[22545]}, 88) = 22545 [pid 22959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22958] rt_sigprocmask(SIG_SETMASK, [], [pid 22959] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22958] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22959] <... futex resumed>) = 0 [pid 22958] <... futex resumed>) = 1 [pid 22959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22958] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22959] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22959] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22958] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22959] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22958] <... futex resumed>) = 0 [pid 22959] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22958] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22959] <... futex resumed>) = 0 [pid 22958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22959] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22958] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22958] <... futex resumed>) = 0 [pid 22959] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22958] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22959] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22958] <... futex resumed>) = 0 [pid 22959] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22958] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22960 attached [pid 22960] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22960] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22958] <... clone3 resumed> => {parent_tid=[22546]}, 88) = 22546 [pid 22958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22958] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22960] <... futex resumed>) = 0 [pid 22958] <... futex resumed>) = 1 [pid 22960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22958] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22960] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22960] <... futex resumed>) = 0 [pid 22960] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22958] close(3) = 0 [pid 22958] close(4) = 0 [pid 22958] close(5) = 0 [pid 22958] close(6) = -1 EBADF (Bad file descriptor) [pid 22958] close(7) = -1 EBADF (Bad file descriptor) [pid 22958] close(8) = -1 EBADF (Bad file descriptor) [pid 22958] close(9) = -1 EBADF (Bad file descriptor) [pid 22958] close(10) = -1 EBADF (Bad file descriptor) [pid 22958] close(11) = -1 EBADF (Bad file descriptor) [pid 22958] close(12) = -1 EBADF (Bad file descriptor) [pid 22958] close(13) = -1 EBADF (Bad file descriptor) [pid 22958] close(14) = -1 EBADF (Bad file descriptor) [pid 22958] close(15) = -1 EBADF (Bad file descriptor) [pid 22958] close(16) = -1 EBADF (Bad file descriptor) [pid 22958] close(17) = -1 EBADF (Bad file descriptor) [pid 22958] close(18) = -1 EBADF (Bad file descriptor) [pid 22958] close(19) = -1 EBADF (Bad file descriptor) [pid 22958] close(20) = -1 EBADF (Bad file descriptor) [pid 22958] close(21) = -1 EBADF (Bad file descriptor) [pid 22958] close(22) = -1 EBADF (Bad file descriptor) [pid 22958] close(23) = -1 EBADF (Bad file descriptor) [pid 22958] close(24) = -1 EBADF (Bad file descriptor) [pid 22958] close(25) = -1 EBADF (Bad file descriptor) [pid 22958] close(26) = -1 EBADF (Bad file descriptor) [pid 22958] close(27) = -1 EBADF (Bad file descriptor) [pid 22958] close(28) = -1 EBADF (Bad file descriptor) [pid 22958] close(29) = -1 EBADF (Bad file descriptor) [pid 22958] exit_group(0 [pid 22960] <... futex resumed>) = ? [pid 22959] <... futex resumed>) = ? [pid 22958] <... exit_group resumed>) = ? [pid 22960] +++ exited with 0 +++ [pid 22959] +++ exited with 0 +++ [pid 22958] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7787", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7787/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7787/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7787/cgroup.cpu") = 0 [pid 287] umount2("./7787/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7787/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7787/binderfs") = 0 [pid 287] umount2("./7787/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7787/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7787/cgroup") = 0 [pid 287] umount2("./7787/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7787/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7787/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7787") = 0 [pid 287] mkdir("./7788", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22961 attached [pid 22961] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22961] chdir("./7788") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22547 [pid 22961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22961] setpgid(0, 0) = 0 [pid 22961] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22961] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22961] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22961] write(3, "1000", 4) = 4 [pid 22961] close(3) = 0 [pid 22961] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22961] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22961] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22961] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22961] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22962 attached [pid 22962] set_robust_list(0x7f3b956fb9a0, 24 [pid 22961] <... clone3 resumed> => {parent_tid=[22548]}, 88) = 22548 [pid 22962] <... set_robust_list resumed>) = 0 [pid 22961] rt_sigprocmask(SIG_SETMASK, [], [pid 22962] rt_sigprocmask(SIG_SETMASK, [], [pid 22961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22961] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22961] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22962] <... bpf resumed>) = 3 [pid 22962] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22961] <... futex resumed>) = 0 [pid 22962] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22961] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22961] <... futex resumed>) = 0 [pid 22962] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22961] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22962] <... bpf resumed>) = 4 [pid 22962] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22961] <... futex resumed>) = 0 [pid 22962] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22961] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22961] <... futex resumed>) = 0 [pid 22962] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22961] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22962] <... bpf resumed>) = 0 [pid 22961] <... futex resumed>) = 0 [pid 22962] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22962] <... futex resumed>) = 0 [pid 22961] <... mmap resumed>) = 0x7f3b956ba000 [pid 22962] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22961] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22961] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22963 attached [pid 22963] set_robust_list(0x7f3b956da9a0, 24 [pid 22961] <... clone3 resumed> => {parent_tid=[22549]}, 88) = 22549 [pid 22963] <... set_robust_list resumed>) = 0 [pid 22963] rt_sigprocmask(SIG_SETMASK, [], [pid 22961] rt_sigprocmask(SIG_SETMASK, [], [pid 22963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22963] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22961] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22963] <... futex resumed>) = 0 [pid 22963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22961] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22963] <... bpf resumed>) = 5 [pid 22963] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22961] <... futex resumed>) = 0 [pid 22963] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22961] close(3) = 0 [pid 22961] close(4) = 0 [pid 22961] close(5) = 0 [pid 22961] close(6) = -1 EBADF (Bad file descriptor) [pid 22961] close(7) = -1 EBADF (Bad file descriptor) [pid 22961] close(8) = -1 EBADF (Bad file descriptor) [pid 22961] close(9) = -1 EBADF (Bad file descriptor) [pid 22961] close(10) = -1 EBADF (Bad file descriptor) [pid 22961] close(11) = -1 EBADF (Bad file descriptor) [pid 22961] close(12) = -1 EBADF (Bad file descriptor) [pid 22961] close(13) = -1 EBADF (Bad file descriptor) [pid 22961] close(14) = -1 EBADF (Bad file descriptor) [pid 22961] close(15) = -1 EBADF (Bad file descriptor) [pid 22961] close(16) = -1 EBADF (Bad file descriptor) [pid 22961] close(17) = -1 EBADF (Bad file descriptor) [pid 22961] close(18) = -1 EBADF (Bad file descriptor) [pid 22961] close(19) = -1 EBADF (Bad file descriptor) [pid 22961] close(20) = -1 EBADF (Bad file descriptor) [pid 22961] close(21) = -1 EBADF (Bad file descriptor) [pid 22961] close(22) = -1 EBADF (Bad file descriptor) [pid 22961] close(23) = -1 EBADF (Bad file descriptor) [pid 22961] close(24) = -1 EBADF (Bad file descriptor) [pid 22961] close(25) = -1 EBADF (Bad file descriptor) [pid 22961] close(26) = -1 EBADF (Bad file descriptor) [pid 22961] close(27) = -1 EBADF (Bad file descriptor) [pid 22961] close(28) = -1 EBADF (Bad file descriptor) [pid 22961] close(29) = -1 EBADF (Bad file descriptor) [pid 22961] exit_group(0) = ? [pid 22962] <... futex resumed>) = ? [pid 22963] <... futex resumed>) = ? [pid 22962] +++ exited with 0 +++ [pid 22963] +++ exited with 0 +++ [pid 22961] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7788", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7788/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7788/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7788/cgroup.cpu") = 0 [pid 287] umount2("./7788/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7788/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7788/binderfs") = 0 [pid 287] umount2("./7788/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7788/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7788/cgroup") = 0 [pid 287] umount2("./7788/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7788/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7788/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7788") = 0 [pid 287] mkdir("./7789", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22964 attached [pid 22964] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22964] chdir("./7789" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22550 [pid 22964] <... chdir resumed>) = 0 [pid 22964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22964] setpgid(0, 0) = 0 [pid 22964] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22964] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22964] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22964] write(3, "1000", 4) = 4 [pid 22964] close(3) = 0 [pid 22964] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22964] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22964] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22964] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22964] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22965 attached [pid 22965] set_robust_list(0x7f3b956fb9a0, 24 [pid 22964] <... clone3 resumed> => {parent_tid=[22551]}, 88) = 22551 [pid 22965] <... set_robust_list resumed>) = 0 [pid 22964] rt_sigprocmask(SIG_SETMASK, [], [pid 22965] rt_sigprocmask(SIG_SETMASK, [], [pid 22964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22964] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22964] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22965] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22965] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22964] <... futex resumed>) = 0 [pid 22965] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22964] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22964] <... futex resumed>) = 0 [pid 22965] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22964] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22965] <... bpf resumed>) = 4 [pid 22965] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22964] <... futex resumed>) = 0 [pid 22965] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22964] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22964] <... futex resumed>) = 0 [pid 22965] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22964] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22965] <... bpf resumed>) = 0 [pid 22964] <... futex resumed>) = 0 [pid 22965] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22965] <... futex resumed>) = 0 [pid 22964] <... mmap resumed>) = 0x7f3b956ba000 [pid 22965] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22964] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22964] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22966 attached [pid 22966] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22964] <... clone3 resumed> => {parent_tid=[22552]}, 88) = 22552 [pid 22966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22964] rt_sigprocmask(SIG_SETMASK, [], [pid 22966] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22964] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22966] <... futex resumed>) = 0 [pid 22964] <... futex resumed>) = 1 [pid 22966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22964] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22966] <... bpf resumed>) = 5 [pid 22966] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22964] <... futex resumed>) = 0 [pid 22964] close(3 [pid 22966] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22964] <... close resumed>) = 0 [pid 22964] close(4) = 0 [pid 22964] close(5) = 0 [pid 22964] close(6) = -1 EBADF (Bad file descriptor) [pid 22964] close(7) = -1 EBADF (Bad file descriptor) [pid 22964] close(8) = -1 EBADF (Bad file descriptor) [pid 22964] close(9) = -1 EBADF (Bad file descriptor) [pid 22964] close(10) = -1 EBADF (Bad file descriptor) [pid 22964] close(11) = -1 EBADF (Bad file descriptor) [pid 22964] close(12) = -1 EBADF (Bad file descriptor) [pid 22964] close(13) = -1 EBADF (Bad file descriptor) [pid 22964] close(14) = -1 EBADF (Bad file descriptor) [pid 22964] close(15) = -1 EBADF (Bad file descriptor) [pid 22964] close(16) = -1 EBADF (Bad file descriptor) [pid 22964] close(17) = -1 EBADF (Bad file descriptor) [pid 22964] close(18) = -1 EBADF (Bad file descriptor) [pid 22964] close(19) = -1 EBADF (Bad file descriptor) [pid 22964] close(20) = -1 EBADF (Bad file descriptor) [pid 22964] close(21) = -1 EBADF (Bad file descriptor) [pid 22964] close(22) = -1 EBADF (Bad file descriptor) [pid 22964] close(23) = -1 EBADF (Bad file descriptor) [pid 22964] close(24) = -1 EBADF (Bad file descriptor) [pid 22964] close(25) = -1 EBADF (Bad file descriptor) [pid 22964] close(26) = -1 EBADF (Bad file descriptor) [pid 22964] close(27) = -1 EBADF (Bad file descriptor) [pid 22964] close(28) = -1 EBADF (Bad file descriptor) [pid 22964] close(29) = -1 EBADF (Bad file descriptor) [pid 22964] exit_group(0 [pid 22965] <... futex resumed>) = ? [pid 22964] <... exit_group resumed>) = ? [pid 22966] <... futex resumed>) = ? [pid 22965] +++ exited with 0 +++ [pid 22966] +++ exited with 0 +++ [pid 22964] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7789", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7789/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7789/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7789/cgroup.cpu") = 0 [pid 287] umount2("./7789/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7789/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7789/binderfs") = 0 [pid 287] umount2("./7789/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7789/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7789/cgroup") = 0 [pid 287] umount2("./7789/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7789/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7789/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7789") = 0 [pid 287] mkdir("./7790", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22967 attached [pid 22967] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22967] chdir("./7790") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22553 [pid 22967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22967] setpgid(0, 0) = 0 [pid 22967] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22967] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22967] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22967] write(3, "1000", 4) = 4 [pid 22967] close(3) = 0 [pid 22967] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22967] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22967] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22967] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22968 attached [pid 22968] set_robust_list(0x7f3b956fb9a0, 24 [pid 22967] <... clone3 resumed> => {parent_tid=[22554]}, 88) = 22554 [pid 22968] <... set_robust_list resumed>) = 0 [pid 22967] rt_sigprocmask(SIG_SETMASK, [], [pid 22968] rt_sigprocmask(SIG_SETMASK, [], [pid 22967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22967] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22968] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22967] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22968] <... bpf resumed>) = 3 [pid 22968] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22967] <... futex resumed>) = 0 [pid 22967] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22968] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22967] <... futex resumed>) = 0 [pid 22967] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22968] <... bpf resumed>) = 4 [pid 22968] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22967] <... futex resumed>) = 0 [pid 22968] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22967] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22967] <... futex resumed>) = 0 [pid 22968] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22967] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22968] <... bpf resumed>) = 0 [pid 22967] <... futex resumed>) = 0 [pid 22968] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22968] <... futex resumed>) = 0 [pid 22967] <... mmap resumed>) = 0x7f3b956ba000 [pid 22968] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22967] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22969 attached [pid 22969] set_robust_list(0x7f3b956da9a0, 24 [pid 22967] <... clone3 resumed> => {parent_tid=[22555]}, 88) = 22555 [pid 22969] <... set_robust_list resumed>) = 0 [pid 22967] rt_sigprocmask(SIG_SETMASK, [], [pid 22969] rt_sigprocmask(SIG_SETMASK, [], [pid 22967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22967] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22967] <... futex resumed>) = 0 [pid 22967] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22969] <... bpf resumed>) = 5 [pid 22969] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22967] <... futex resumed>) = 0 [pid 22969] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22967] close(3) = 0 [pid 22967] close(4) = 0 [pid 22967] close(5) = 0 [pid 22967] close(6) = -1 EBADF (Bad file descriptor) [pid 22967] close(7) = -1 EBADF (Bad file descriptor) [pid 22967] close(8) = -1 EBADF (Bad file descriptor) [pid 22967] close(9) = -1 EBADF (Bad file descriptor) [pid 22967] close(10) = -1 EBADF (Bad file descriptor) [pid 22967] close(11) = -1 EBADF (Bad file descriptor) [pid 22967] close(12) = -1 EBADF (Bad file descriptor) [pid 22967] close(13) = -1 EBADF (Bad file descriptor) [pid 22967] close(14) = -1 EBADF (Bad file descriptor) [pid 22967] close(15) = -1 EBADF (Bad file descriptor) [pid 22967] close(16) = -1 EBADF (Bad file descriptor) [pid 22967] close(17) = -1 EBADF (Bad file descriptor) [pid 22967] close(18) = -1 EBADF (Bad file descriptor) [pid 22967] close(19) = -1 EBADF (Bad file descriptor) [pid 22967] close(20) = -1 EBADF (Bad file descriptor) [pid 22967] close(21) = -1 EBADF (Bad file descriptor) [pid 22967] close(22) = -1 EBADF (Bad file descriptor) [pid 22967] close(23) = -1 EBADF (Bad file descriptor) [pid 22967] close(24) = -1 EBADF (Bad file descriptor) [pid 22967] close(25) = -1 EBADF (Bad file descriptor) [pid 22967] close(26) = -1 EBADF (Bad file descriptor) [pid 22967] close(27) = -1 EBADF (Bad file descriptor) [pid 22967] close(28) = -1 EBADF (Bad file descriptor) [pid 22967] close(29) = -1 EBADF (Bad file descriptor) [pid 22967] exit_group(0 [pid 22968] <... futex resumed>) = ? [pid 22967] <... exit_group resumed>) = ? [pid 22969] <... futex resumed>) = ? [pid 22968] +++ exited with 0 +++ [pid 22969] +++ exited with 0 +++ [pid 22967] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7790", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7790/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7790/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7790/cgroup.cpu") = 0 [pid 287] umount2("./7790/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7790/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7790/binderfs") = 0 [pid 287] umount2("./7790/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7790/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7790/cgroup") = 0 [pid 287] umount2("./7790/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7790/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7790/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7790") = 0 [pid 287] mkdir("./7791", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22970 attached [pid 22970] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22556 [pid 22970] chdir("./7791") = 0 [pid 22970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22970] setpgid(0, 0) = 0 [pid 22970] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22970] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22970] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22970] write(3, "1000", 4) = 4 [pid 22970] close(3) = 0 [pid 22970] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22970] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22970] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22970] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22971 attached [pid 22971] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22970] <... clone3 resumed> => {parent_tid=[22557]}, 88) = 22557 [pid 22971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22971] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22970] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22971] <... futex resumed>) = 0 [pid 22970] <... futex resumed>) = 1 [pid 22971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22970] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22971] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22971] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22970] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22971] <... futex resumed>) = 0 [pid 22970] <... futex resumed>) = 1 [pid 22971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22970] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22971] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22971] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22970] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22971] <... futex resumed>) = 0 [pid 22970] <... futex resumed>) = 1 [pid 22971] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22970] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22971] <... bpf resumed>) = 0 [pid 22970] <... futex resumed>) = 0 [pid 22971] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22971] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22970] <... mmap resumed>) = 0x7f3b956ba000 [pid 22970] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22972 attached [pid 22972] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22972] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22970] <... clone3 resumed> => {parent_tid=[22558]}, 88) = 22558 [pid 22970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22970] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22972] <... futex resumed>) = 0 [pid 22970] <... futex resumed>) = 1 [pid 22972] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22970] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22972] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22972] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22970] close(3) = 0 [pid 22970] close(4) = 0 [pid 22970] close(5) = 0 [pid 22970] close(6) = -1 EBADF (Bad file descriptor) [pid 22970] close(7) = -1 EBADF (Bad file descriptor) [pid 22970] close(8) = -1 EBADF (Bad file descriptor) [pid 22970] close(9) = -1 EBADF (Bad file descriptor) [pid 22970] close(10) = -1 EBADF (Bad file descriptor) [pid 22970] close(11) = -1 EBADF (Bad file descriptor) [pid 22970] close(12) = -1 EBADF (Bad file descriptor) [pid 22970] close(13) = -1 EBADF (Bad file descriptor) [pid 22970] close(14) = -1 EBADF (Bad file descriptor) [pid 22970] close(15) = -1 EBADF (Bad file descriptor) [pid 22970] close(16) = -1 EBADF (Bad file descriptor) [pid 22970] close(17) = -1 EBADF (Bad file descriptor) [pid 22970] close(18) = -1 EBADF (Bad file descriptor) [pid 22970] close(19) = -1 EBADF (Bad file descriptor) [pid 22970] close(20) = -1 EBADF (Bad file descriptor) [pid 22970] close(21) = -1 EBADF (Bad file descriptor) [pid 22970] close(22) = -1 EBADF (Bad file descriptor) [pid 22970] close(23) = -1 EBADF (Bad file descriptor) [pid 22970] close(24) = -1 EBADF (Bad file descriptor) [pid 22970] close(25) = -1 EBADF (Bad file descriptor) [pid 22970] close(26) = -1 EBADF (Bad file descriptor) [pid 22970] close(27) = -1 EBADF (Bad file descriptor) [pid 22970] close(28) = -1 EBADF (Bad file descriptor) [pid 22970] close(29) = -1 EBADF (Bad file descriptor) [pid 22970] exit_group(0 [pid 22972] <... futex resumed>) = ? [pid 22971] <... futex resumed>) = ? [pid 22970] <... exit_group resumed>) = ? [pid 22972] +++ exited with 0 +++ [pid 22971] +++ exited with 0 +++ [pid 22970] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7791", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7791/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7791/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7791/cgroup.cpu") = 0 [pid 287] umount2("./7791/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7791/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7791/binderfs") = 0 [pid 287] umount2("./7791/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7791/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7791/cgroup") = 0 [pid 287] umount2("./7791/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7791/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7791/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7791") = 0 [pid 287] mkdir("./7792", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22973 attached [pid 22973] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22973] chdir("./7792" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22559 [pid 22973] <... chdir resumed>) = 0 [pid 22973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22973] setpgid(0, 0) = 0 [pid 22973] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22973] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22973] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22973] write(3, "1000", 4) = 4 [pid 22973] close(3) = 0 [pid 22973] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22973] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22973] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22973] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22973] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22974 attached [pid 22974] set_robust_list(0x7f3b956fb9a0, 24 [pid 22973] <... clone3 resumed> => {parent_tid=[22560]}, 88) = 22560 [pid 22974] <... set_robust_list resumed>) = 0 [pid 22973] rt_sigprocmask(SIG_SETMASK, [], [pid 22974] rt_sigprocmask(SIG_SETMASK, [], [pid 22973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22973] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22973] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22974] <... bpf resumed>) = 3 [pid 22974] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22973] <... futex resumed>) = 0 [pid 22974] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22973] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22973] <... futex resumed>) = 0 [pid 22974] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22973] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22974] <... bpf resumed>) = 4 [pid 22974] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22973] <... futex resumed>) = 0 [pid 22974] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22973] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22973] <... futex resumed>) = 0 [pid 22974] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22973] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22974] <... bpf resumed>) = 0 [pid 22973] <... futex resumed>) = 0 [pid 22974] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22974] <... futex resumed>) = 0 [pid 22973] <... mmap resumed>) = 0x7f3b956ba000 [pid 22974] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22973] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22973] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22975 attached [pid 22975] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22973] <... clone3 resumed> => {parent_tid=[22561]}, 88) = 22561 [pid 22975] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22973] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22975] <... futex resumed>) = 0 [pid 22973] <... futex resumed>) = 1 [pid 22975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22973] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22975] <... bpf resumed>) = 5 [pid 22975] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22973] <... futex resumed>) = 0 [pid 22975] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22973] close(3) = 0 [pid 22973] close(4) = 0 [pid 22973] close(5) = 0 [pid 22973] close(6) = -1 EBADF (Bad file descriptor) [pid 22973] close(7) = -1 EBADF (Bad file descriptor) [pid 22973] close(8) = -1 EBADF (Bad file descriptor) [pid 22973] close(9) = -1 EBADF (Bad file descriptor) [pid 22973] close(10) = -1 EBADF (Bad file descriptor) [pid 22973] close(11) = -1 EBADF (Bad file descriptor) [pid 22973] close(12) = -1 EBADF (Bad file descriptor) [pid 22973] close(13) = -1 EBADF (Bad file descriptor) [pid 22973] close(14) = -1 EBADF (Bad file descriptor) [pid 22973] close(15) = -1 EBADF (Bad file descriptor) [pid 22973] close(16) = -1 EBADF (Bad file descriptor) [pid 22973] close(17) = -1 EBADF (Bad file descriptor) [pid 22973] close(18) = -1 EBADF (Bad file descriptor) [pid 22973] close(19) = -1 EBADF (Bad file descriptor) [pid 22973] close(20) = -1 EBADF (Bad file descriptor) [pid 22973] close(21) = -1 EBADF (Bad file descriptor) [pid 22973] close(22) = -1 EBADF (Bad file descriptor) [pid 22973] close(23) = -1 EBADF (Bad file descriptor) [pid 22973] close(24) = -1 EBADF (Bad file descriptor) [pid 22973] close(25) = -1 EBADF (Bad file descriptor) [pid 22973] close(26) = -1 EBADF (Bad file descriptor) [pid 22973] close(27) = -1 EBADF (Bad file descriptor) [pid 22973] close(28) = -1 EBADF (Bad file descriptor) [pid 22973] close(29) = -1 EBADF (Bad file descriptor) [pid 22973] exit_group(0 [pid 22975] <... futex resumed>) = ? [pid 22974] <... futex resumed>) = ? [pid 22973] <... exit_group resumed>) = ? [pid 22974] +++ exited with 0 +++ [pid 22975] +++ exited with 0 +++ [pid 22973] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7792", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7792/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7792/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7792/cgroup.cpu") = 0 [pid 287] umount2("./7792/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7792/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7792/binderfs") = 0 [pid 287] umount2("./7792/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7792/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7792/cgroup") = 0 [pid 287] umount2("./7792/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7792/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7792/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7792") = 0 [pid 287] mkdir("./7793", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22562 ./strace-static-x86_64: Process 22976 attached [pid 22976] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22976] chdir("./7793") = 0 [pid 22976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22976] setpgid(0, 0) = 0 [pid 22976] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22976] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22976] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22976] write(3, "1000", 4) = 4 [pid 22976] close(3) = 0 [pid 22976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22976] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22976] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22976] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22976] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22977 attached [pid 22977] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22977] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22976] <... clone3 resumed> => {parent_tid=[22563]}, 88) = 22563 [pid 22976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22976] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22977] <... futex resumed>) = 0 [pid 22976] <... futex resumed>) = 1 [pid 22977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22976] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22977] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22977] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22976] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22977] <... futex resumed>) = 0 [pid 22976] <... futex resumed>) = 1 [pid 22977] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22976] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22977] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22977] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22976] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22977] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22976] <... futex resumed>) = 0 [pid 22977] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22976] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22976] <... futex resumed>) = 0 [pid 22977] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22976] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22977] <... futex resumed>) = 0 [pid 22976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22977] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22976] close(3) = 0 [pid 22976] close(4) = 0 [pid 22976] close(5) = 0 [pid 22976] close(6) = -1 EBADF (Bad file descriptor) [pid 22976] close(7) = -1 EBADF (Bad file descriptor) [pid 22976] close(8) = -1 EBADF (Bad file descriptor) [pid 22976] close(9) = -1 EBADF (Bad file descriptor) [pid 22976] close(10) = -1 EBADF (Bad file descriptor) [pid 22976] close(11) = -1 EBADF (Bad file descriptor) [pid 22976] close(12) = -1 EBADF (Bad file descriptor) [pid 22976] close(13) = -1 EBADF (Bad file descriptor) [pid 22976] close(14) = -1 EBADF (Bad file descriptor) [pid 22976] close(15) = -1 EBADF (Bad file descriptor) [pid 22976] close(16) = -1 EBADF (Bad file descriptor) [pid 22976] close(17) = -1 EBADF (Bad file descriptor) [pid 22976] close(18) = -1 EBADF (Bad file descriptor) [pid 22976] close(19) = -1 EBADF (Bad file descriptor) [pid 22976] close(20) = -1 EBADF (Bad file descriptor) [pid 22976] close(21) = -1 EBADF (Bad file descriptor) [pid 22976] close(22) = -1 EBADF (Bad file descriptor) [pid 22976] close(23) = -1 EBADF (Bad file descriptor) [pid 22976] close(24) = -1 EBADF (Bad file descriptor) [pid 22976] close(25) = -1 EBADF (Bad file descriptor) [pid 22976] close(26) = -1 EBADF (Bad file descriptor) [pid 22976] close(27) = -1 EBADF (Bad file descriptor) [pid 22976] close(28) = -1 EBADF (Bad file descriptor) [pid 22976] close(29) = -1 EBADF (Bad file descriptor) [pid 22976] exit_group(0 [pid 22977] <... futex resumed>) = ? [pid 22976] <... exit_group resumed>) = ? [pid 22977] +++ exited with 0 +++ [pid 22976] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7793", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7793/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7793/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7793/cgroup.cpu") = 0 [pid 287] umount2("./7793/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7793/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7793/binderfs") = 0 [pid 287] umount2("./7793/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7793/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7793/cgroup") = 0 [pid 287] umount2("./7793/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7793/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7793/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7793") = 0 [pid 287] mkdir("./7794", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22564 ./strace-static-x86_64: Process 22978 attached [pid 22978] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22978] chdir("./7794") = 0 [pid 22978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22978] setpgid(0, 0) = 0 [pid 22978] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22978] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22978] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22978] write(3, "1000", 4) = 4 [pid 22978] close(3) = 0 [pid 22978] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22978] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22978] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22978] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22979 attached [pid 22979] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22978] <... clone3 resumed> => {parent_tid=[22565]}, 88) = 22565 [pid 22979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22978] rt_sigprocmask(SIG_SETMASK, [], [pid 22979] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22978] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22979] <... futex resumed>) = 0 [pid 22978] <... futex resumed>) = 1 [pid 22979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22978] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22979] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22979] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22978] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22979] <... futex resumed>) = 0 [pid 22978] <... futex resumed>) = 1 [pid 22979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22978] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22979] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22979] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 22978] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22979] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22978] <... futex resumed>) = 0 [pid 22979] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22978] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22978] <... futex resumed>) = 0 [pid 22979] <... bpf resumed>) = 5 [pid 22978] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22979] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22979] <... futex resumed>) = 0 [pid 22978] close(3 [pid 22979] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22978] <... close resumed>) = 0 [pid 22978] close(4) = 0 [pid 22978] close(5) = 0 [pid 22978] close(6) = -1 EBADF (Bad file descriptor) [pid 22978] close(7) = -1 EBADF (Bad file descriptor) [pid 22978] close(8) = -1 EBADF (Bad file descriptor) [pid 22978] close(9) = -1 EBADF (Bad file descriptor) [pid 22978] close(10) = -1 EBADF (Bad file descriptor) [pid 22978] close(11) = -1 EBADF (Bad file descriptor) [pid 22978] close(12) = -1 EBADF (Bad file descriptor) [pid 22978] close(13) = -1 EBADF (Bad file descriptor) [pid 22978] close(14) = -1 EBADF (Bad file descriptor) [pid 22978] close(15) = -1 EBADF (Bad file descriptor) [pid 22978] close(16) = -1 EBADF (Bad file descriptor) [pid 22978] close(17) = -1 EBADF (Bad file descriptor) [pid 22978] close(18) = -1 EBADF (Bad file descriptor) [pid 22978] close(19) = -1 EBADF (Bad file descriptor) [pid 22978] close(20) = -1 EBADF (Bad file descriptor) [pid 22978] close(21) = -1 EBADF (Bad file descriptor) [pid 22978] close(22) = -1 EBADF (Bad file descriptor) [pid 22978] close(23) = -1 EBADF (Bad file descriptor) [pid 22978] close(24) = -1 EBADF (Bad file descriptor) [pid 22978] close(25) = -1 EBADF (Bad file descriptor) [pid 22978] close(26) = -1 EBADF (Bad file descriptor) [pid 22978] close(27) = -1 EBADF (Bad file descriptor) [pid 22978] close(28) = -1 EBADF (Bad file descriptor) [pid 22978] close(29) = -1 EBADF (Bad file descriptor) [pid 22978] exit_group(0 [pid 22979] <... futex resumed>) = ? [pid 22978] <... exit_group resumed>) = ? [pid 22979] +++ exited with 0 +++ [pid 22978] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7794", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7794/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7794/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7794/cgroup.cpu") = 0 [pid 287] umount2("./7794/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7794/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7794/binderfs") = 0 [pid 287] umount2("./7794/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7794/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7794/cgroup") = 0 [pid 287] umount2("./7794/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7794/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7794/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7794") = 0 [pid 287] mkdir("./7795", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22980 attached [pid 22980] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22980] chdir("./7795" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22566 [pid 22980] <... chdir resumed>) = 0 [pid 22980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22980] setpgid(0, 0) = 0 [pid 22980] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22980] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22980] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22980] write(3, "1000", 4) = 4 [pid 22980] close(3) = 0 [pid 22980] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22980] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22980] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22980] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22980] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22981 attached [pid 22981] set_robust_list(0x7f3b956fb9a0, 24 [pid 22980] <... clone3 resumed> => {parent_tid=[22567]}, 88) = 22567 [pid 22981] <... set_robust_list resumed>) = 0 [pid 22980] rt_sigprocmask(SIG_SETMASK, [], [pid 22981] rt_sigprocmask(SIG_SETMASK, [], [pid 22980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22980] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22980] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22981] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22980] <... futex resumed>) = 0 [pid 22981] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22980] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22980] <... futex resumed>) = 0 [pid 22981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22980] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22981] <... bpf resumed>) = 4 [pid 22981] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22980] <... futex resumed>) = 0 [pid 22981] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22980] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22980] <... futex resumed>) = 0 [pid 22981] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22980] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22981] <... bpf resumed>) = 0 [pid 22980] <... futex resumed>) = 0 [pid 22981] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22981] <... futex resumed>) = 0 [pid 22980] <... mmap resumed>) = 0x7f3b956ba000 [pid 22981] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22980] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22980] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22568]}, 88) = 22568 ./strace-static-x86_64: Process 22982 attached [pid 22982] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22982] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22980] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22982] <... futex resumed>) = 0 [pid 22980] <... futex resumed>) = 1 [pid 22982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22980] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22982] <... bpf resumed>) = 5 [pid 22982] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22980] <... futex resumed>) = 0 [pid 22982] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22980] close(3) = 0 [pid 22980] close(4) = 0 [pid 22980] close(5) = 0 [pid 22980] close(6) = -1 EBADF (Bad file descriptor) [pid 22980] close(7) = -1 EBADF (Bad file descriptor) [pid 22980] close(8) = -1 EBADF (Bad file descriptor) [pid 22980] close(9) = -1 EBADF (Bad file descriptor) [pid 22980] close(10) = -1 EBADF (Bad file descriptor) [pid 22980] close(11) = -1 EBADF (Bad file descriptor) [pid 22980] close(12) = -1 EBADF (Bad file descriptor) [pid 22980] close(13) = -1 EBADF (Bad file descriptor) [pid 22980] close(14) = -1 EBADF (Bad file descriptor) [pid 22980] close(15) = -1 EBADF (Bad file descriptor) [pid 22980] close(16) = -1 EBADF (Bad file descriptor) [pid 22980] close(17) = -1 EBADF (Bad file descriptor) [pid 22980] close(18) = -1 EBADF (Bad file descriptor) [pid 22980] close(19) = -1 EBADF (Bad file descriptor) [pid 22980] close(20) = -1 EBADF (Bad file descriptor) [pid 22980] close(21) = -1 EBADF (Bad file descriptor) [pid 22980] close(22) = -1 EBADF (Bad file descriptor) [pid 22980] close(23) = -1 EBADF (Bad file descriptor) [pid 22980] close(24) = -1 EBADF (Bad file descriptor) [pid 22980] close(25) = -1 EBADF (Bad file descriptor) [pid 22980] close(26) = -1 EBADF (Bad file descriptor) [pid 22980] close(27) = -1 EBADF (Bad file descriptor) [pid 22980] close(28) = -1 EBADF (Bad file descriptor) [pid 22980] close(29) = -1 EBADF (Bad file descriptor) [pid 22980] exit_group(0 [pid 22982] <... futex resumed>) = ? [pid 22981] <... futex resumed>) = ? [pid 22980] <... exit_group resumed>) = ? [pid 22981] +++ exited with 0 +++ [pid 22982] +++ exited with 0 +++ [pid 22980] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7795", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7795/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7795/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7795/cgroup.cpu") = 0 [pid 287] umount2("./7795/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7795/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7795/binderfs") = 0 [pid 287] umount2("./7795/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7795/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7795/cgroup") = 0 [pid 287] umount2("./7795/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7795/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7795/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7795") = 0 [pid 287] mkdir("./7796", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22983 attached [pid 22983] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22983] chdir("./7796") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22569 [pid 22983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22983] setpgid(0, 0) = 0 [pid 22983] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22983] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22983] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22983] write(3, "1000", 4) = 4 [pid 22983] close(3) = 0 [pid 22983] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22983] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22983] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22983] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22983] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22984 attached [pid 22984] set_robust_list(0x7f3b956fb9a0, 24 [pid 22983] <... clone3 resumed> => {parent_tid=[22570]}, 88) = 22570 [pid 22984] <... set_robust_list resumed>) = 0 [pid 22983] rt_sigprocmask(SIG_SETMASK, [], [pid 22984] rt_sigprocmask(SIG_SETMASK, [], [pid 22983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22983] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22984] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22983] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22984] <... bpf resumed>) = 3 [pid 22984] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22983] <... futex resumed>) = 0 [pid 22984] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22983] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22983] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22984] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 22984] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22983] <... futex resumed>) = 0 [pid 22984] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22983] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22983] <... futex resumed>) = 0 [pid 22984] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22983] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22984] <... bpf resumed>) = 0 [pid 22983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22984] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22983] <... mmap resumed>) = 0x7f3b956ba000 [pid 22984] <... futex resumed>) = 0 [pid 22983] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 22984] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22983] <... mprotect resumed>) = 0 [pid 22983] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22985 attached [pid 22985] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22985] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22983] <... clone3 resumed> => {parent_tid=[22571]}, 88) = 22571 [pid 22983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22983] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22985] <... futex resumed>) = 0 [pid 22983] <... futex resumed>) = 1 [pid 22985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22983] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22985] <... bpf resumed>) = 5 [pid 22985] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22983] <... futex resumed>) = 0 [pid 22985] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22983] close(3) = 0 [pid 22983] close(4) = 0 [pid 22983] close(5) = 0 [pid 22983] close(6) = -1 EBADF (Bad file descriptor) [pid 22983] close(7) = -1 EBADF (Bad file descriptor) [pid 22983] close(8) = -1 EBADF (Bad file descriptor) [pid 22983] close(9) = -1 EBADF (Bad file descriptor) [pid 22983] close(10) = -1 EBADF (Bad file descriptor) [pid 22983] close(11) = -1 EBADF (Bad file descriptor) [pid 22983] close(12) = -1 EBADF (Bad file descriptor) [pid 22983] close(13) = -1 EBADF (Bad file descriptor) [pid 22983] close(14) = -1 EBADF (Bad file descriptor) [pid 22983] close(15) = -1 EBADF (Bad file descriptor) [pid 22983] close(16) = -1 EBADF (Bad file descriptor) [pid 22983] close(17) = -1 EBADF (Bad file descriptor) [pid 22983] close(18) = -1 EBADF (Bad file descriptor) [pid 22983] close(19) = -1 EBADF (Bad file descriptor) [pid 22983] close(20) = -1 EBADF (Bad file descriptor) [pid 22983] close(21) = -1 EBADF (Bad file descriptor) [pid 22983] close(22) = -1 EBADF (Bad file descriptor) [pid 22983] close(23) = -1 EBADF (Bad file descriptor) [pid 22983] close(24) = -1 EBADF (Bad file descriptor) [pid 22983] close(25) = -1 EBADF (Bad file descriptor) [pid 22983] close(26) = -1 EBADF (Bad file descriptor) [pid 22983] close(27) = -1 EBADF (Bad file descriptor) [pid 22983] close(28) = -1 EBADF (Bad file descriptor) [pid 22983] close(29) = -1 EBADF (Bad file descriptor) [pid 22983] exit_group(0) = ? [pid 22984] <... futex resumed>) = ? [pid 22985] <... futex resumed>) = ? [pid 22985] +++ exited with 0 +++ [pid 22984] +++ exited with 0 +++ [pid 22983] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7796", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7796/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7796/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7796/cgroup.cpu") = 0 [pid 287] umount2("./7796/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7796/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7796/binderfs") = 0 [pid 287] umount2("./7796/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7796/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7796/cgroup") = 0 [pid 287] umount2("./7796/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7796/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7796/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7796") = 0 [pid 287] mkdir("./7797", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22986 attached [pid 22986] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22572 [pid 22986] chdir("./7797") = 0 [pid 22986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22986] setpgid(0, 0) = 0 [pid 22986] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22986] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22986] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22986] write(3, "1000", 4) = 4 [pid 22986] close(3) = 0 [pid 22986] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22986] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22986] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22986] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22987 attached [pid 22987] set_robust_list(0x7f3b956fb9a0, 24 [pid 22986] <... clone3 resumed> => {parent_tid=[22573]}, 88) = 22573 [pid 22987] <... set_robust_list resumed>) = 0 [pid 22986] rt_sigprocmask(SIG_SETMASK, [], [pid 22987] rt_sigprocmask(SIG_SETMASK, [], [pid 22986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22986] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22986] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22987] <... bpf resumed>) = 3 [pid 22987] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22986] <... futex resumed>) = 0 [pid 22987] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22986] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22986] <... futex resumed>) = 0 [pid 22987] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22986] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22987] <... bpf resumed>) = 4 [pid 22987] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22986] <... futex resumed>) = 0 [pid 22986] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22987] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22986] <... futex resumed>) = 0 [pid 22987] <... bpf resumed>) = 0 [pid 22986] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22987] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22986] <... futex resumed>) = 0 [pid 22987] <... futex resumed>) = 0 [pid 22986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22987] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22986] <... mmap resumed>) = 0x7f3b956ba000 [pid 22986] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22988 attached [pid 22988] set_robust_list(0x7f3b956da9a0, 24 [pid 22986] <... clone3 resumed> => {parent_tid=[22574]}, 88) = 22574 [pid 22988] <... set_robust_list resumed>) = 0 [pid 22988] rt_sigprocmask(SIG_SETMASK, [], [pid 22986] rt_sigprocmask(SIG_SETMASK, [], [pid 22988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22988] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22986] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22988] <... futex resumed>) = 0 [pid 22986] <... futex resumed>) = 1 [pid 22988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22986] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22988] <... bpf resumed>) = 5 [pid 22988] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22986] <... futex resumed>) = 0 [pid 22986] close(3 [pid 22988] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22986] <... close resumed>) = 0 [pid 22986] close(4) = 0 [pid 22986] close(5) = 0 [pid 22986] close(6) = -1 EBADF (Bad file descriptor) [pid 22986] close(7) = -1 EBADF (Bad file descriptor) [pid 22986] close(8) = -1 EBADF (Bad file descriptor) [pid 22986] close(9) = -1 EBADF (Bad file descriptor) [pid 22986] close(10) = -1 EBADF (Bad file descriptor) [pid 22986] close(11) = -1 EBADF (Bad file descriptor) [pid 22986] close(12) = -1 EBADF (Bad file descriptor) [pid 22986] close(13) = -1 EBADF (Bad file descriptor) [pid 22986] close(14) = -1 EBADF (Bad file descriptor) [pid 22986] close(15) = -1 EBADF (Bad file descriptor) [pid 22986] close(16) = -1 EBADF (Bad file descriptor) [pid 22986] close(17) = -1 EBADF (Bad file descriptor) [pid 22986] close(18) = -1 EBADF (Bad file descriptor) [pid 22986] close(19) = -1 EBADF (Bad file descriptor) [pid 22986] close(20) = -1 EBADF (Bad file descriptor) [pid 22986] close(21) = -1 EBADF (Bad file descriptor) [pid 22986] close(22) = -1 EBADF (Bad file descriptor) [pid 22986] close(23) = -1 EBADF (Bad file descriptor) [pid 22986] close(24) = -1 EBADF (Bad file descriptor) [pid 22986] close(25) = -1 EBADF (Bad file descriptor) [pid 22986] close(26) = -1 EBADF (Bad file descriptor) [pid 22986] close(27) = -1 EBADF (Bad file descriptor) [pid 22986] close(28) = -1 EBADF (Bad file descriptor) [pid 22986] close(29) = -1 EBADF (Bad file descriptor) [pid 22986] exit_group(0) = ? [pid 22987] <... futex resumed>) = ? [pid 22988] <... futex resumed>) = ? [pid 22988] +++ exited with 0 +++ [pid 22987] +++ exited with 0 +++ [pid 22986] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7797", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7797/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7797/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7797/cgroup.cpu") = 0 [pid 287] umount2("./7797/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7797/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7797/binderfs") = 0 [pid 287] umount2("./7797/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7797/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7797/cgroup") = 0 [pid 287] umount2("./7797/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7797/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7797/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7797") = 0 [pid 287] mkdir("./7798", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22989 attached [pid 22989] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22575 [pid 22989] chdir("./7798") = 0 [pid 22989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22989] setpgid(0, 0) = 0 [pid 22989] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22989] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22989] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22989] write(3, "1000", 4) = 4 [pid 22989] close(3) = 0 [pid 22989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22989] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22989] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22989] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22989] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22990 attached => {parent_tid=[22576]}, 88) = 22576 [pid 22990] set_robust_list(0x7f3b956fb9a0, 24 [pid 22989] rt_sigprocmask(SIG_SETMASK, [], [pid 22990] <... set_robust_list resumed>) = 0 [pid 22989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22990] rt_sigprocmask(SIG_SETMASK, [], [pid 22989] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22989] <... futex resumed>) = 0 [pid 22989] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22990] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22989] <... futex resumed>) = 0 [pid 22990] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22989] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22989] <... futex resumed>) = 0 [pid 22990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22989] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22990] <... bpf resumed>) = 4 [pid 22990] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22989] <... futex resumed>) = 0 [pid 22990] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22989] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22989] <... futex resumed>) = 0 [pid 22990] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22989] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22990] <... bpf resumed>) = 0 [pid 22989] <... futex resumed>) = 0 [pid 22990] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22990] <... futex resumed>) = 0 [pid 22989] <... mmap resumed>) = 0x7f3b956ba000 [pid 22990] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22989] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22989] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22991 attached [pid 22991] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 22991] rt_sigprocmask(SIG_SETMASK, [], [pid 22989] <... clone3 resumed> => {parent_tid=[22577]}, 88) = 22577 [pid 22991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22991] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22989] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22991] <... futex resumed>) = 0 [pid 22989] <... futex resumed>) = 1 [pid 22991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22989] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22991] <... bpf resumed>) = 5 [pid 22991] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22989] <... futex resumed>) = 0 [pid 22989] close(3 [pid 22991] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22989] <... close resumed>) = 0 [pid 22989] close(4) = 0 [pid 22989] close(5) = 0 [pid 22989] close(6) = -1 EBADF (Bad file descriptor) [pid 22989] close(7) = -1 EBADF (Bad file descriptor) [pid 22989] close(8) = -1 EBADF (Bad file descriptor) [pid 22989] close(9) = -1 EBADF (Bad file descriptor) [pid 22989] close(10) = -1 EBADF (Bad file descriptor) [pid 22989] close(11) = -1 EBADF (Bad file descriptor) [pid 22989] close(12) = -1 EBADF (Bad file descriptor) [pid 22989] close(13) = -1 EBADF (Bad file descriptor) [pid 22989] close(14) = -1 EBADF (Bad file descriptor) [pid 22989] close(15) = -1 EBADF (Bad file descriptor) [pid 22989] close(16) = -1 EBADF (Bad file descriptor) [pid 22989] close(17) = -1 EBADF (Bad file descriptor) [pid 22989] close(18) = -1 EBADF (Bad file descriptor) [pid 22989] close(19) = -1 EBADF (Bad file descriptor) [pid 22989] close(20) = -1 EBADF (Bad file descriptor) [pid 22989] close(21) = -1 EBADF (Bad file descriptor) [pid 22989] close(22) = -1 EBADF (Bad file descriptor) [pid 22989] close(23) = -1 EBADF (Bad file descriptor) [pid 22989] close(24) = -1 EBADF (Bad file descriptor) [pid 22989] close(25) = -1 EBADF (Bad file descriptor) [pid 22989] close(26) = -1 EBADF (Bad file descriptor) [pid 22989] close(27) = -1 EBADF (Bad file descriptor) [pid 22989] close(28) = -1 EBADF (Bad file descriptor) [pid 22989] close(29) = -1 EBADF (Bad file descriptor) [pid 22989] exit_group(0) = ? [pid 22991] <... futex resumed>) = ? [pid 22990] <... futex resumed>) = ? [pid 22990] +++ exited with 0 +++ [pid 22991] +++ exited with 0 +++ [pid 22989] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7798", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7798/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7798/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7798/cgroup.cpu") = 0 [pid 287] umount2("./7798/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7798/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7798/binderfs") = 0 [pid 287] umount2("./7798/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7798/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7798/cgroup") = 0 [pid 287] umount2("./7798/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7798/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7798/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7798") = 0 [pid 287] mkdir("./7799", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22992 attached [pid 22992] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22578 [pid 22992] chdir("./7799") = 0 [pid 22992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22992] setpgid(0, 0) = 0 [pid 22992] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22992] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22992] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22992] write(3, "1000", 4) = 4 [pid 22992] close(3) = 0 [pid 22992] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22992] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22992] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22992] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22993 attached [pid 22993] set_robust_list(0x7f3b956fb9a0, 24 [pid 22992] <... clone3 resumed> => {parent_tid=[22579]}, 88) = 22579 [pid 22993] <... set_robust_list resumed>) = 0 [pid 22992] rt_sigprocmask(SIG_SETMASK, [], [pid 22993] rt_sigprocmask(SIG_SETMASK, [], [pid 22992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22992] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22992] <... futex resumed>) = 0 [pid 22992] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22993] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22992] <... futex resumed>) = 0 [pid 22993] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22992] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22992] <... futex resumed>) = 0 [pid 22993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22992] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22993] <... bpf resumed>) = 4 [pid 22993] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22992] <... futex resumed>) = 0 [pid 22993] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22992] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22992] <... futex resumed>) = 0 [pid 22993] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22992] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22993] <... bpf resumed>) = 0 [pid 22992] <... futex resumed>) = 0 [pid 22993] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22993] <... futex resumed>) = 0 [pid 22992] <... mmap resumed>) = 0x7f3b956ba000 [pid 22993] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22992] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22994 attached [pid 22994] set_robust_list(0x7f3b956da9a0, 24 [pid 22992] <... clone3 resumed> => {parent_tid=[22580]}, 88) = 22580 [pid 22994] <... set_robust_list resumed>) = 0 [pid 22994] rt_sigprocmask(SIG_SETMASK, [], [pid 22992] rt_sigprocmask(SIG_SETMASK, [], [pid 22994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22994] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22992] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22994] <... futex resumed>) = 0 [pid 22994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22992] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22994] <... bpf resumed>) = 5 [pid 22994] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22992] <... futex resumed>) = 0 [pid 22994] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22992] close(3) = 0 [pid 22992] close(4) = 0 [pid 22992] close(5) = 0 [pid 22992] close(6) = -1 EBADF (Bad file descriptor) [pid 22992] close(7) = -1 EBADF (Bad file descriptor) [pid 22992] close(8) = -1 EBADF (Bad file descriptor) [pid 22992] close(9) = -1 EBADF (Bad file descriptor) [pid 22992] close(10) = -1 EBADF (Bad file descriptor) [pid 22992] close(11) = -1 EBADF (Bad file descriptor) [pid 22992] close(12) = -1 EBADF (Bad file descriptor) [pid 22992] close(13) = -1 EBADF (Bad file descriptor) [pid 22992] close(14) = -1 EBADF (Bad file descriptor) [pid 22992] close(15) = -1 EBADF (Bad file descriptor) [pid 22992] close(16) = -1 EBADF (Bad file descriptor) [pid 22992] close(17) = -1 EBADF (Bad file descriptor) [pid 22992] close(18) = -1 EBADF (Bad file descriptor) [pid 22992] close(19) = -1 EBADF (Bad file descriptor) [pid 22992] close(20) = -1 EBADF (Bad file descriptor) [pid 22992] close(21) = -1 EBADF (Bad file descriptor) [pid 22992] close(22) = -1 EBADF (Bad file descriptor) [pid 22992] close(23) = -1 EBADF (Bad file descriptor) [pid 22992] close(24) = -1 EBADF (Bad file descriptor) [pid 22992] close(25) = -1 EBADF (Bad file descriptor) [pid 22992] close(26) = -1 EBADF (Bad file descriptor) [pid 22992] close(27) = -1 EBADF (Bad file descriptor) [pid 22992] close(28) = -1 EBADF (Bad file descriptor) [pid 22992] close(29) = -1 EBADF (Bad file descriptor) [pid 22992] exit_group(0 [pid 22993] <... futex resumed>) = ? [pid 22992] <... exit_group resumed>) = ? [pid 22994] <... futex resumed>) = ? [pid 22994] +++ exited with 0 +++ [pid 22993] +++ exited with 0 +++ [pid 22992] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7799", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7799/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7799/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7799/cgroup.cpu") = 0 [pid 287] umount2("./7799/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7799/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7799/binderfs") = 0 [pid 287] umount2("./7799/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7799/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7799/cgroup") = 0 [pid 287] umount2("./7799/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7799/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7799/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7799") = 0 [pid 287] mkdir("./7800", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22995 attached [pid 22995] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22995] chdir("./7800") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22581 [pid 22995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22995] setpgid(0, 0) = 0 [pid 22995] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22995] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22995] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22995] write(3, "1000", 4) = 4 [pid 22995] close(3) = 0 [pid 22995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22995] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22995] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22995] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22996 attached [pid 22996] set_robust_list(0x7f3b956fb9a0, 24 [pid 22995] <... clone3 resumed> => {parent_tid=[22582]}, 88) = 22582 [pid 22996] <... set_robust_list resumed>) = 0 [pid 22995] rt_sigprocmask(SIG_SETMASK, [], [pid 22996] rt_sigprocmask(SIG_SETMASK, [], [pid 22995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22995] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 22995] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22996] <... bpf resumed>) = 3 [pid 22996] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22995] <... futex resumed>) = 0 [pid 22996] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22995] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22996] <... bpf resumed>) = 4 [pid 22995] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22996] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22996] <... futex resumed>) = 0 [pid 22995] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22996] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 22995] <... futex resumed>) = 0 [pid 22996] <... bpf resumed>) = 0 [pid 22995] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22996] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22995] <... futex resumed>) = 0 [pid 22996] <... futex resumed>) = 0 [pid 22995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 22996] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22995] <... mmap resumed>) = 0x7f3b956ba000 [pid 22995] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 22997 attached [pid 22997] set_robust_list(0x7f3b956da9a0, 24 [pid 22995] <... clone3 resumed> => {parent_tid=[22583]}, 88) = 22583 [pid 22997] <... set_robust_list resumed>) = 0 [pid 22997] rt_sigprocmask(SIG_SETMASK, [], [pid 22995] rt_sigprocmask(SIG_SETMASK, [], [pid 22997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22997] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22995] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22997] <... futex resumed>) = 0 [pid 22995] <... futex resumed>) = 1 [pid 22997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 22995] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22997] <... bpf resumed>) = 5 [pid 22997] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 22995] <... futex resumed>) = 0 [pid 22997] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22995] close(3) = 0 [pid 22995] close(4) = 0 [pid 22995] close(5) = 0 [pid 22995] close(6) = -1 EBADF (Bad file descriptor) [pid 22995] close(7) = -1 EBADF (Bad file descriptor) [pid 22995] close(8) = -1 EBADF (Bad file descriptor) [pid 22995] close(9) = -1 EBADF (Bad file descriptor) [pid 22995] close(10) = -1 EBADF (Bad file descriptor) [pid 22995] close(11) = -1 EBADF (Bad file descriptor) [pid 22995] close(12) = -1 EBADF (Bad file descriptor) [pid 22995] close(13) = -1 EBADF (Bad file descriptor) [pid 22995] close(14) = -1 EBADF (Bad file descriptor) [pid 22995] close(15) = -1 EBADF (Bad file descriptor) [pid 22995] close(16) = -1 EBADF (Bad file descriptor) [pid 22995] close(17) = -1 EBADF (Bad file descriptor) [pid 22995] close(18) = -1 EBADF (Bad file descriptor) [pid 22995] close(19) = -1 EBADF (Bad file descriptor) [pid 22995] close(20) = -1 EBADF (Bad file descriptor) [pid 22995] close(21) = -1 EBADF (Bad file descriptor) [pid 22995] close(22) = -1 EBADF (Bad file descriptor) [pid 22995] close(23) = -1 EBADF (Bad file descriptor) [pid 22995] close(24) = -1 EBADF (Bad file descriptor) [pid 22995] close(25) = -1 EBADF (Bad file descriptor) [pid 22995] close(26) = -1 EBADF (Bad file descriptor) [pid 22995] close(27) = -1 EBADF (Bad file descriptor) [pid 22995] close(28) = -1 EBADF (Bad file descriptor) [pid 22995] close(29) = -1 EBADF (Bad file descriptor) [pid 22995] exit_group(0 [pid 22996] <... futex resumed>) = ? [pid 22995] <... exit_group resumed>) = ? [pid 22997] <... futex resumed>) = ? [pid 22996] +++ exited with 0 +++ [pid 22997] +++ exited with 0 +++ [pid 22995] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7800", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7800/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7800/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7800/cgroup.cpu") = 0 [pid 287] umount2("./7800/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7800/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7800/binderfs") = 0 [pid 287] umount2("./7800/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7800/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7800/cgroup") = 0 [pid 287] umount2("./7800/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7800/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7800/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7800") = 0 [pid 287] mkdir("./7801", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22998 attached [pid 22998] set_robust_list(0x555555ae16a0, 24) = 0 [pid 22998] chdir("./7801" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22584 [pid 22998] <... chdir resumed>) = 0 [pid 22998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 22998] setpgid(0, 0) = 0 [pid 22998] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 22998] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 22998] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 22998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 22998] write(3, "1000", 4) = 4 [pid 22998] close(3) = 0 [pid 22998] symlink("/dev/binderfs", "./binderfs") = 0 [pid 22998] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22998] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 22998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 22998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 22998] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22998] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 22999 attached [pid 22999] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 22998] <... clone3 resumed> => {parent_tid=[22585]}, 88) = 22585 [pid 22999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22998] rt_sigprocmask(SIG_SETMASK, [], [pid 22999] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 22998] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22999] <... futex resumed>) = 0 [pid 22998] <... futex resumed>) = 1 [pid 22999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 22998] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 22999] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 22998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 22999] <... futex resumed>) = 0 [pid 22998] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22999] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 22998] <... futex resumed>) = 0 [pid 22999] <... bpf resumed>) = 4 [pid 22999] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22999] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22998] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 22998] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 22999] <... futex resumed>) = 0 [pid 22998] <... futex resumed>) = 1 [pid 22999] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 22998] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 22999] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22998] <... futex resumed>) = 0 [pid 22999] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 22998] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 22998] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 22998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23000 attached [pid 23000] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23000] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22998] <... clone3 resumed> => {parent_tid=[22586]}, 88) = 22586 [pid 22998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 22998] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23000] <... futex resumed>) = 0 [pid 22998] <... futex resumed>) = 1 [pid 23000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 22998] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23000] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 22998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23000] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 22998] close(3) = 0 [pid 22998] close(4) = 0 [pid 22998] close(5) = 0 [pid 22998] close(6) = -1 EBADF (Bad file descriptor) [pid 22998] close(7) = -1 EBADF (Bad file descriptor) [pid 22998] close(8) = -1 EBADF (Bad file descriptor) [pid 22998] close(9) = -1 EBADF (Bad file descriptor) [pid 22998] close(10) = -1 EBADF (Bad file descriptor) [pid 22998] close(11) = -1 EBADF (Bad file descriptor) [pid 22998] close(12) = -1 EBADF (Bad file descriptor) [pid 22998] close(13) = -1 EBADF (Bad file descriptor) [pid 22998] close(14) = -1 EBADF (Bad file descriptor) [pid 22998] close(15) = -1 EBADF (Bad file descriptor) [pid 22998] close(16) = -1 EBADF (Bad file descriptor) [pid 22998] close(17) = -1 EBADF (Bad file descriptor) [pid 22998] close(18) = -1 EBADF (Bad file descriptor) [pid 22998] close(19) = -1 EBADF (Bad file descriptor) [pid 22998] close(20) = -1 EBADF (Bad file descriptor) [pid 22998] close(21) = -1 EBADF (Bad file descriptor) [pid 22998] close(22) = -1 EBADF (Bad file descriptor) [pid 22998] close(23) = -1 EBADF (Bad file descriptor) [pid 22998] close(24) = -1 EBADF (Bad file descriptor) [pid 22998] close(25) = -1 EBADF (Bad file descriptor) [pid 22998] close(26) = -1 EBADF (Bad file descriptor) [pid 22998] close(27) = -1 EBADF (Bad file descriptor) [pid 22998] close(28) = -1 EBADF (Bad file descriptor) [pid 22998] close(29) = -1 EBADF (Bad file descriptor) [pid 22998] exit_group(0 [pid 23000] <... futex resumed>) = ? [pid 22999] <... futex resumed>) = ? [pid 22998] <... exit_group resumed>) = ? [pid 23000] +++ exited with 0 +++ [pid 22999] +++ exited with 0 +++ [pid 22998] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7801", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7801/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7801/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7801/cgroup.cpu") = 0 [pid 287] umount2("./7801/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7801/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7801/binderfs") = 0 [pid 287] umount2("./7801/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7801/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7801/cgroup") = 0 [pid 287] umount2("./7801/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7801/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7801/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7801") = 0 [pid 287] mkdir("./7802", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23001 attached [pid 23001] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23001] chdir("./7802") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22587 [pid 23001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23001] setpgid(0, 0) = 0 [pid 23001] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23001] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23001] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23001] write(3, "1000", 4) = 4 [pid 23001] close(3) = 0 [pid 23001] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23001] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23001] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23001] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23001] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23002 attached [pid 23002] set_robust_list(0x7f3b956fb9a0, 24 [pid 23001] <... clone3 resumed> => {parent_tid=[22588]}, 88) = 22588 [pid 23002] <... set_robust_list resumed>) = 0 [pid 23001] rt_sigprocmask(SIG_SETMASK, [], [pid 23002] rt_sigprocmask(SIG_SETMASK, [], [pid 23001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23001] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23001] <... futex resumed>) = 0 [pid 23002] <... bpf resumed>) = 3 [pid 23001] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23002] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23002] <... futex resumed>) = 0 [pid 23001] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23002] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23001] <... futex resumed>) = 0 [pid 23002] <... bpf resumed>) = 4 [pid 23001] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23002] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23002] <... futex resumed>) = 0 [pid 23001] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23002] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23001] <... futex resumed>) = 0 [pid 23002] <... bpf resumed>) = 0 [pid 23001] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23002] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23001] <... futex resumed>) = 0 [pid 23002] <... futex resumed>) = 0 [pid 23001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23002] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23001] <... mmap resumed>) = 0x7f3b956ba000 [pid 23001] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23001] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23003 attached => {parent_tid=[22589]}, 88) = 22589 [pid 23003] set_robust_list(0x7f3b956da9a0, 24 [pid 23001] rt_sigprocmask(SIG_SETMASK, [], [pid 23003] <... set_robust_list resumed>) = 0 [pid 23001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23003] rt_sigprocmask(SIG_SETMASK, [], [pid 23001] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23001] <... futex resumed>) = 0 [pid 23001] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23003] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23001] <... futex resumed>) = 0 [pid 23001] close(3) = 0 [pid 23001] close(4) = 0 [pid 23001] close(5 [pid 23003] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23001] <... close resumed>) = 0 [pid 23001] close(6) = -1 EBADF (Bad file descriptor) [pid 23001] close(7) = -1 EBADF (Bad file descriptor) [pid 23001] close(8) = -1 EBADF (Bad file descriptor) [pid 23001] close(9) = -1 EBADF (Bad file descriptor) [pid 23001] close(10) = -1 EBADF (Bad file descriptor) [pid 23001] close(11) = -1 EBADF (Bad file descriptor) [pid 23001] close(12) = -1 EBADF (Bad file descriptor) [pid 23001] close(13) = -1 EBADF (Bad file descriptor) [pid 23001] close(14) = -1 EBADF (Bad file descriptor) [pid 23001] close(15) = -1 EBADF (Bad file descriptor) [pid 23001] close(16) = -1 EBADF (Bad file descriptor) [pid 23001] close(17) = -1 EBADF (Bad file descriptor) [pid 23001] close(18) = -1 EBADF (Bad file descriptor) [pid 23001] close(19) = -1 EBADF (Bad file descriptor) [pid 23001] close(20) = -1 EBADF (Bad file descriptor) [pid 23001] close(21) = -1 EBADF (Bad file descriptor) [pid 23001] close(22) = -1 EBADF (Bad file descriptor) [pid 23001] close(23) = -1 EBADF (Bad file descriptor) [pid 23001] close(24) = -1 EBADF (Bad file descriptor) [pid 23001] close(25) = -1 EBADF (Bad file descriptor) [pid 23001] close(26) = -1 EBADF (Bad file descriptor) [pid 23001] close(27) = -1 EBADF (Bad file descriptor) [pid 23001] close(28) = -1 EBADF (Bad file descriptor) [pid 23001] close(29) = -1 EBADF (Bad file descriptor) [pid 23001] exit_group(0 [pid 23002] <... futex resumed>) = ? [pid 23001] <... exit_group resumed>) = ? [pid 23003] <... futex resumed>) = ? [pid 23002] +++ exited with 0 +++ [pid 23003] +++ exited with 0 +++ [pid 23001] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7802", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7802/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7802/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7802/cgroup.cpu") = 0 [pid 287] umount2("./7802/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7802/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7802/binderfs") = 0 [pid 287] umount2("./7802/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7802/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7802/cgroup") = 0 [pid 287] umount2("./7802/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7802/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7802/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7802") = 0 [pid 287] mkdir("./7803", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22590 ./strace-static-x86_64: Process 23004 attached [pid 23004] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23004] chdir("./7803") = 0 [pid 23004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23004] setpgid(0, 0) = 0 [pid 23004] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23004] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23004] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23004] write(3, "1000", 4) = 4 [pid 23004] close(3) = 0 [pid 23004] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23004] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23004] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23004] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23005 attached [pid 23005] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23005] rt_sigprocmask(SIG_SETMASK, [], [pid 23004] <... clone3 resumed> => {parent_tid=[22591]}, 88) = 22591 [pid 23005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23005] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23004] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23005] <... futex resumed>) = 0 [pid 23004] <... futex resumed>) = 1 [pid 23005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23004] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23005] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23005] <... futex resumed>) = 0 [pid 23004] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23004] <... futex resumed>) = 0 [pid 23005] <... bpf resumed>) = 4 [pid 23005] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23005] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23004] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 23004] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23005] <... futex resumed>) = 0 [pid 23004] <... futex resumed>) = 1 [pid 23005] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 23004] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23005] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23004] <... futex resumed>) = 0 [pid 23005] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23004] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23006 attached [pid 23006] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23006] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23004] <... clone3 resumed> => {parent_tid=[22592]}, 88) = 22592 [pid 23004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23004] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23006] <... futex resumed>) = 0 [pid 23004] <... futex resumed>) = 1 [pid 23006] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23004] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23006] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23006] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23004] close(3) = 0 [pid 23004] close(4) = 0 [pid 23004] close(5) = 0 [pid 23004] close(6) = -1 EBADF (Bad file descriptor) [pid 23004] close(7) = -1 EBADF (Bad file descriptor) [pid 23004] close(8) = -1 EBADF (Bad file descriptor) [pid 23004] close(9) = -1 EBADF (Bad file descriptor) [pid 23004] close(10) = -1 EBADF (Bad file descriptor) [pid 23004] close(11) = -1 EBADF (Bad file descriptor) [pid 23004] close(12) = -1 EBADF (Bad file descriptor) [pid 23004] close(13) = -1 EBADF (Bad file descriptor) [pid 23004] close(14) = -1 EBADF (Bad file descriptor) [pid 23004] close(15) = -1 EBADF (Bad file descriptor) [pid 23004] close(16) = -1 EBADF (Bad file descriptor) [pid 23004] close(17) = -1 EBADF (Bad file descriptor) [pid 23004] close(18) = -1 EBADF (Bad file descriptor) [pid 23004] close(19) = -1 EBADF (Bad file descriptor) [pid 23004] close(20) = -1 EBADF (Bad file descriptor) [pid 23004] close(21) = -1 EBADF (Bad file descriptor) [pid 23004] close(22) = -1 EBADF (Bad file descriptor) [pid 23004] close(23) = -1 EBADF (Bad file descriptor) [pid 23004] close(24) = -1 EBADF (Bad file descriptor) [pid 23004] close(25) = -1 EBADF (Bad file descriptor) [pid 23004] close(26) = -1 EBADF (Bad file descriptor) [pid 23004] close(27) = -1 EBADF (Bad file descriptor) [pid 23004] close(28) = -1 EBADF (Bad file descriptor) [pid 23004] close(29) = -1 EBADF (Bad file descriptor) [pid 23004] exit_group(0 [pid 23006] <... futex resumed>) = ? [pid 23005] <... futex resumed>) = ? [pid 23004] <... exit_group resumed>) = ? [pid 23006] +++ exited with 0 +++ [pid 23005] +++ exited with 0 +++ [pid 23004] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7803", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7803/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7803/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7803/cgroup.cpu") = 0 [pid 287] umount2("./7803/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7803/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7803/binderfs") = 0 [pid 287] umount2("./7803/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7803/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7803/cgroup") = 0 [pid 287] umount2("./7803/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7803/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7803/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7803") = 0 [pid 287] mkdir("./7804", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23007 attached [pid 23007] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22593 [pid 23007] chdir("./7804") = 0 [pid 23007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23007] setpgid(0, 0) = 0 [pid 23007] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23007] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23007] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23007] write(3, "1000", 4) = 4 [pid 23007] close(3) = 0 [pid 23007] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23007] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23007] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23007] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23007] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23008 attached [pid 23008] set_robust_list(0x7f3b956fb9a0, 24 [pid 23007] <... clone3 resumed> => {parent_tid=[22594]}, 88) = 22594 [pid 23007] rt_sigprocmask(SIG_SETMASK, [], [pid 23008] <... set_robust_list resumed>) = 0 [pid 23007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23008] rt_sigprocmask(SIG_SETMASK, [], [pid 23007] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23007] <... futex resumed>) = 0 [pid 23007] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23008] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23007] <... futex resumed>) = 0 [pid 23008] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23007] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23007] <... futex resumed>) = 0 [pid 23008] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23007] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23008] <... bpf resumed>) = 4 [pid 23008] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23007] <... futex resumed>) = 0 [pid 23008] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23007] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23007] <... futex resumed>) = 0 [pid 23008] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23007] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23007] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23008] <... bpf resumed>) = 0 [pid 23007] <... mprotect resumed>) = 0 [pid 23008] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23007] rt_sigprocmask(SIG_BLOCK, ~[], [pid 23008] <... futex resumed>) = 0 [pid 23007] <... rt_sigprocmask resumed>[], 8) = 0 [pid 23008] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23009 attached [pid 23009] set_robust_list(0x7f3b956da9a0, 24 [pid 23007] <... clone3 resumed> => {parent_tid=[22595]}, 88) = 22595 [pid 23007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23009] <... set_robust_list resumed>) = 0 [pid 23009] rt_sigprocmask(SIG_SETMASK, [], [pid 23007] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23007] <... futex resumed>) = 0 [pid 23007] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23009] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23007] <... futex resumed>) = 0 [pid 23009] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23007] close(3) = 0 [pid 23007] close(4) = 0 [pid 23007] close(5) = 0 [pid 23007] close(6) = -1 EBADF (Bad file descriptor) [pid 23007] close(7) = -1 EBADF (Bad file descriptor) [pid 23007] close(8) = -1 EBADF (Bad file descriptor) [pid 23007] close(9) = -1 EBADF (Bad file descriptor) [pid 23007] close(10) = -1 EBADF (Bad file descriptor) [pid 23007] close(11) = -1 EBADF (Bad file descriptor) [pid 23007] close(12) = -1 EBADF (Bad file descriptor) [pid 23007] close(13) = -1 EBADF (Bad file descriptor) [pid 23007] close(14) = -1 EBADF (Bad file descriptor) [pid 23007] close(15) = -1 EBADF (Bad file descriptor) [pid 23007] close(16) = -1 EBADF (Bad file descriptor) [pid 23007] close(17) = -1 EBADF (Bad file descriptor) [pid 23007] close(18) = -1 EBADF (Bad file descriptor) [pid 23007] close(19) = -1 EBADF (Bad file descriptor) [pid 23007] close(20) = -1 EBADF (Bad file descriptor) [pid 23007] close(21) = -1 EBADF (Bad file descriptor) [pid 23007] close(22) = -1 EBADF (Bad file descriptor) [pid 23007] close(23) = -1 EBADF (Bad file descriptor) [pid 23007] close(24) = -1 EBADF (Bad file descriptor) [pid 23007] close(25) = -1 EBADF (Bad file descriptor) [pid 23007] close(26) = -1 EBADF (Bad file descriptor) [pid 23007] close(27) = -1 EBADF (Bad file descriptor) [pid 23007] close(28) = -1 EBADF (Bad file descriptor) [pid 23007] close(29) = -1 EBADF (Bad file descriptor) [pid 23007] exit_group(0 [pid 23009] <... futex resumed>) = ? [pid 23008] <... futex resumed>) = ? [pid 23007] <... exit_group resumed>) = ? [pid 23009] +++ exited with 0 +++ [pid 23008] +++ exited with 0 +++ [pid 23007] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7804", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7804/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7804/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7804/cgroup.cpu") = 0 [pid 287] umount2("./7804/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7804/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7804/binderfs") = 0 [pid 287] umount2("./7804/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7804/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7804/cgroup") = 0 [pid 287] umount2("./7804/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7804/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7804/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7804") = 0 [pid 287] mkdir("./7805", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23010 attached [pid 23010] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22596 [pid 23010] chdir("./7805") = 0 [pid 23010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23010] setpgid(0, 0) = 0 [pid 23010] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23010] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23010] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23010] write(3, "1000", 4) = 4 [pid 23010] close(3) = 0 [pid 23010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23010] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23010] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23010] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23011 attached [pid 23011] set_robust_list(0x7f3b956fb9a0, 24 [pid 23010] <... clone3 resumed> => {parent_tid=[22597]}, 88) = 22597 [pid 23011] <... set_robust_list resumed>) = 0 [pid 23010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23010] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23011] rt_sigprocmask(SIG_SETMASK, [], [pid 23010] <... futex resumed>) = 0 [pid 23011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23010] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23011] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23010] <... futex resumed>) = 0 [pid 23011] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23010] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23010] <... futex resumed>) = 0 [pid 23011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23010] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23011] <... bpf resumed>) = 4 [pid 23011] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23010] <... futex resumed>) = 0 [pid 23011] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23010] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23010] <... futex resumed>) = 0 [pid 23011] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23010] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23011] <... bpf resumed>) = 0 [pid 23010] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23011] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23010] <... mprotect resumed>) = 0 [pid 23011] <... futex resumed>) = 0 [pid 23010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 23011] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 23010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23012 attached [pid 23012] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23010] <... clone3 resumed> => {parent_tid=[22598]}, 88) = 22598 [pid 23012] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23010] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23012] <... futex resumed>) = 0 [pid 23010] <... futex resumed>) = 1 [pid 23012] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23010] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23012] <... bpf resumed>) = 5 [pid 23012] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23010] <... futex resumed>) = 0 [pid 23012] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23010] close(3) = 0 [pid 23010] close(4) = 0 [pid 23010] close(5) = 0 [pid 23010] close(6) = -1 EBADF (Bad file descriptor) [pid 23010] close(7) = -1 EBADF (Bad file descriptor) [pid 23010] close(8) = -1 EBADF (Bad file descriptor) [pid 23010] close(9) = -1 EBADF (Bad file descriptor) [pid 23010] close(10) = -1 EBADF (Bad file descriptor) [pid 23010] close(11) = -1 EBADF (Bad file descriptor) [pid 23010] close(12) = -1 EBADF (Bad file descriptor) [pid 23010] close(13) = -1 EBADF (Bad file descriptor) [pid 23010] close(14) = -1 EBADF (Bad file descriptor) [pid 23010] close(15) = -1 EBADF (Bad file descriptor) [pid 23010] close(16) = -1 EBADF (Bad file descriptor) [pid 23010] close(17) = -1 EBADF (Bad file descriptor) [pid 23010] close(18) = -1 EBADF (Bad file descriptor) [pid 23010] close(19) = -1 EBADF (Bad file descriptor) [pid 23010] close(20) = -1 EBADF (Bad file descriptor) [pid 23010] close(21) = -1 EBADF (Bad file descriptor) [pid 23010] close(22) = -1 EBADF (Bad file descriptor) [pid 23010] close(23) = -1 EBADF (Bad file descriptor) [pid 23010] close(24) = -1 EBADF (Bad file descriptor) [pid 23010] close(25) = -1 EBADF (Bad file descriptor) [pid 23010] close(26) = -1 EBADF (Bad file descriptor) [pid 23010] close(27) = -1 EBADF (Bad file descriptor) [pid 23010] close(28) = -1 EBADF (Bad file descriptor) [pid 23010] close(29) = -1 EBADF (Bad file descriptor) [pid 23010] exit_group(0 [pid 23012] <... futex resumed>) = ? [pid 23011] <... futex resumed>) = ? [pid 23010] <... exit_group resumed>) = ? [pid 23012] +++ exited with 0 +++ [pid 23011] +++ exited with 0 +++ [pid 23010] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7805", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7805/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7805/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7805/cgroup.cpu") = 0 [pid 287] umount2("./7805/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7805/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7805/binderfs") = 0 [pid 287] umount2("./7805/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7805/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7805/cgroup") = 0 [pid 287] umount2("./7805/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7805/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7805/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7805") = 0 [pid 287] mkdir("./7806", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22599 ./strace-static-x86_64: Process 23013 attached [pid 23013] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23013] chdir("./7806") = 0 [pid 23013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23013] setpgid(0, 0) = 0 [pid 23013] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23013] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23013] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23013] write(3, "1000", 4) = 4 [pid 23013] close(3) = 0 [pid 23013] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23013] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23013] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23013] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23014 attached [pid 23014] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23013] <... clone3 resumed> => {parent_tid=[22600]}, 88) = 22600 [pid 23014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23013] rt_sigprocmask(SIG_SETMASK, [], [pid 23014] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23013] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23014] <... futex resumed>) = 0 [pid 23013] <... futex resumed>) = 1 [pid 23014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23013] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23014] <... bpf resumed>) = 3 [pid 23014] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23013] <... futex resumed>) = 0 [pid 23014] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 23013] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23013] <... futex resumed>) = 0 [pid 23014] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23013] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23014] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23013] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23014] <... futex resumed>) = 0 [pid 23013] <... futex resumed>) = 1 [pid 23014] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23013] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23014] <... bpf resumed>) = 0 [pid 23013] <... futex resumed>) = 0 [pid 23014] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23014] <... futex resumed>) = 0 [pid 23013] <... mmap resumed>) = 0x7f3b956ba000 [pid 23014] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23013] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23015 attached [pid 23015] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23015] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23013] <... clone3 resumed> => {parent_tid=[22601]}, 88) = 22601 [pid 23013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23013] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23015] <... futex resumed>) = 0 [pid 23013] <... futex resumed>) = 1 [pid 23015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23013] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23015] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23015] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23013] close(3) = 0 [pid 23013] close(4) = 0 [pid 23013] close(5) = 0 [pid 23013] close(6) = -1 EBADF (Bad file descriptor) [pid 23013] close(7) = -1 EBADF (Bad file descriptor) [pid 23013] close(8) = -1 EBADF (Bad file descriptor) [pid 23013] close(9) = -1 EBADF (Bad file descriptor) [pid 23013] close(10) = -1 EBADF (Bad file descriptor) [pid 23013] close(11) = -1 EBADF (Bad file descriptor) [pid 23013] close(12) = -1 EBADF (Bad file descriptor) [pid 23013] close(13) = -1 EBADF (Bad file descriptor) [pid 23013] close(14) = -1 EBADF (Bad file descriptor) [pid 23013] close(15) = -1 EBADF (Bad file descriptor) [pid 23013] close(16) = -1 EBADF (Bad file descriptor) [pid 23013] close(17) = -1 EBADF (Bad file descriptor) [pid 23013] close(18) = -1 EBADF (Bad file descriptor) [pid 23013] close(19) = -1 EBADF (Bad file descriptor) [pid 23013] close(20) = -1 EBADF (Bad file descriptor) [pid 23013] close(21) = -1 EBADF (Bad file descriptor) [pid 23013] close(22) = -1 EBADF (Bad file descriptor) [pid 23013] close(23) = -1 EBADF (Bad file descriptor) [pid 23013] close(24) = -1 EBADF (Bad file descriptor) [pid 23013] close(25) = -1 EBADF (Bad file descriptor) [pid 23013] close(26) = -1 EBADF (Bad file descriptor) [pid 23013] close(27) = -1 EBADF (Bad file descriptor) [pid 23013] close(28) = -1 EBADF (Bad file descriptor) [pid 23013] close(29) = -1 EBADF (Bad file descriptor) [pid 23013] exit_group(0 [pid 23015] <... futex resumed>) = ? [pid 23014] <... futex resumed>) = ? [pid 23013] <... exit_group resumed>) = ? [pid 23015] +++ exited with 0 +++ [pid 23014] +++ exited with 0 +++ [pid 23013] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7806", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7806/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7806/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7806/cgroup.cpu") = 0 [pid 287] umount2("./7806/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7806/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7806/binderfs") = 0 [pid 287] umount2("./7806/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7806/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7806/cgroup") = 0 [pid 287] umount2("./7806/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7806/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7806/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7806") = 0 [pid 287] mkdir("./7807", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22602 ./strace-static-x86_64: Process 23016 attached [pid 23016] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23016] chdir("./7807") = 0 [pid 23016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23016] setpgid(0, 0) = 0 [pid 23016] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23016] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23016] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23016] write(3, "1000", 4) = 4 [pid 23016] close(3) = 0 [pid 23016] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23016] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23016] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23016] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23016] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23017 attached [pid 23017] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23017] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23016] <... clone3 resumed> => {parent_tid=[22603]}, 88) = 22603 [pid 23016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23016] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23017] <... futex resumed>) = 0 [pid 23016] <... futex resumed>) = 1 [pid 23017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23016] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23017] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23017] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23016] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23017] <... futex resumed>) = 0 [pid 23016] <... futex resumed>) = 1 [pid 23017] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23016] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23017] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23017] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23016] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23017] <... futex resumed>) = 0 [pid 23016] <... futex resumed>) = 1 [pid 23017] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23016] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23017] <... bpf resumed>) = 0 [pid 23016] <... futex resumed>) = 0 [pid 23017] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23017] <... futex resumed>) = 0 [pid 23017] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23016] <... mmap resumed>) = 0x7f3b956ba000 [pid 23016] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23016] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23018 attached [pid 23018] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23018] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23018] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23016] <... clone3 resumed> => {parent_tid=[22604]}, 88) = 22604 [pid 23016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23016] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23018] <... futex resumed>) = 0 [pid 23016] <... futex resumed>) = 1 [pid 23018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23016] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23018] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23018] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23016] close(3) = 0 [pid 23016] close(4) = 0 [pid 23016] close(5) = 0 [pid 23016] close(6) = -1 EBADF (Bad file descriptor) [pid 23016] close(7) = -1 EBADF (Bad file descriptor) [pid 23016] close(8) = -1 EBADF (Bad file descriptor) [pid 23016] close(9) = -1 EBADF (Bad file descriptor) [pid 23016] close(10) = -1 EBADF (Bad file descriptor) [pid 23016] close(11) = -1 EBADF (Bad file descriptor) [pid 23016] close(12) = -1 EBADF (Bad file descriptor) [pid 23016] close(13) = -1 EBADF (Bad file descriptor) [pid 23016] close(14) = -1 EBADF (Bad file descriptor) [pid 23016] close(15) = -1 EBADF (Bad file descriptor) [pid 23016] close(16) = -1 EBADF (Bad file descriptor) [pid 23016] close(17) = -1 EBADF (Bad file descriptor) [pid 23016] close(18) = -1 EBADF (Bad file descriptor) [pid 23016] close(19) = -1 EBADF (Bad file descriptor) [pid 23016] close(20) = -1 EBADF (Bad file descriptor) [pid 23016] close(21) = -1 EBADF (Bad file descriptor) [pid 23016] close(22) = -1 EBADF (Bad file descriptor) [pid 23016] close(23) = -1 EBADF (Bad file descriptor) [pid 23016] close(24) = -1 EBADF (Bad file descriptor) [pid 23016] close(25) = -1 EBADF (Bad file descriptor) [pid 23016] close(26) = -1 EBADF (Bad file descriptor) [pid 23016] close(27) = -1 EBADF (Bad file descriptor) [pid 23016] close(28) = -1 EBADF (Bad file descriptor) [pid 23016] close(29) = -1 EBADF (Bad file descriptor) [pid 23016] exit_group(0 [pid 23018] <... futex resumed>) = ? [pid 23017] <... futex resumed>) = ? [pid 23016] <... exit_group resumed>) = ? [pid 23018] +++ exited with 0 +++ [pid 23017] +++ exited with 0 +++ [pid 23016] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7807", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7807/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7807/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7807/cgroup.cpu") = 0 [pid 287] umount2("./7807/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7807/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7807/binderfs") = 0 [pid 287] umount2("./7807/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7807/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7807/cgroup") = 0 [pid 287] umount2("./7807/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7807/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7807/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7807") = 0 [pid 287] mkdir("./7808", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23019 attached [pid 23019] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23019] chdir("./7808") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22605 [pid 23019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23019] setpgid(0, 0) = 0 [pid 23019] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23019] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23019] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23019] write(3, "1000", 4) = 4 [pid 23019] close(3) = 0 [pid 23019] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23019] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23019] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23019] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23019] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23020 attached [pid 23020] set_robust_list(0x7f3b956fb9a0, 24 [pid 23019] <... clone3 resumed> => {parent_tid=[22606]}, 88) = 22606 [pid 23020] <... set_robust_list resumed>) = 0 [pid 23019] rt_sigprocmask(SIG_SETMASK, [], [pid 23020] rt_sigprocmask(SIG_SETMASK, [], [pid 23019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23019] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23019] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23020] <... bpf resumed>) = 3 [pid 23020] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23019] <... futex resumed>) = 0 [pid 23019] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23019] <... futex resumed>) = 0 [pid 23020] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23019] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23020] <... futex resumed>) = 0 [pid 23019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23020] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23019] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23019] <... futex resumed>) = 0 [pid 23020] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23019] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23020] <... bpf resumed>) = 0 [pid 23019] <... futex resumed>) = 0 [pid 23020] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23020] <... futex resumed>) = 0 [pid 23019] <... mmap resumed>) = 0x7f3b956ba000 [pid 23020] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23019] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23019] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23021 attached [pid 23021] set_robust_list(0x7f3b956da9a0, 24 [pid 23019] <... clone3 resumed> => {parent_tid=[22607]}, 88) = 22607 [pid 23021] <... set_robust_list resumed>) = 0 [pid 23021] rt_sigprocmask(SIG_SETMASK, [], [pid 23019] rt_sigprocmask(SIG_SETMASK, [], [pid 23021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23021] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23019] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23021] <... futex resumed>) = 0 [pid 23019] <... futex resumed>) = 1 [pid 23021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23019] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23021] <... bpf resumed>) = 5 [pid 23021] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23019] <... futex resumed>) = 0 [pid 23021] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23019] close(3) = 0 [pid 23019] close(4) = 0 [pid 23019] close(5) = 0 [pid 23019] close(6) = -1 EBADF (Bad file descriptor) [pid 23019] close(7) = -1 EBADF (Bad file descriptor) [pid 23019] close(8) = -1 EBADF (Bad file descriptor) [pid 23019] close(9) = -1 EBADF (Bad file descriptor) [pid 23019] close(10) = -1 EBADF (Bad file descriptor) [pid 23019] close(11) = -1 EBADF (Bad file descriptor) [pid 23019] close(12) = -1 EBADF (Bad file descriptor) [pid 23019] close(13) = -1 EBADF (Bad file descriptor) [pid 23019] close(14) = -1 EBADF (Bad file descriptor) [pid 23019] close(15) = -1 EBADF (Bad file descriptor) [pid 23019] close(16) = -1 EBADF (Bad file descriptor) [pid 23019] close(17) = -1 EBADF (Bad file descriptor) [pid 23019] close(18) = -1 EBADF (Bad file descriptor) [pid 23019] close(19) = -1 EBADF (Bad file descriptor) [pid 23019] close(20) = -1 EBADF (Bad file descriptor) [pid 23019] close(21) = -1 EBADF (Bad file descriptor) [pid 23019] close(22) = -1 EBADF (Bad file descriptor) [pid 23019] close(23) = -1 EBADF (Bad file descriptor) [pid 23019] close(24) = -1 EBADF (Bad file descriptor) [pid 23019] close(25) = -1 EBADF (Bad file descriptor) [pid 23019] close(26) = -1 EBADF (Bad file descriptor) [pid 23019] close(27) = -1 EBADF (Bad file descriptor) [pid 23019] close(28) = -1 EBADF (Bad file descriptor) [pid 23019] close(29) = -1 EBADF (Bad file descriptor) [pid 23019] exit_group(0) = ? [pid 23020] <... futex resumed>) = ? [pid 23021] <... futex resumed>) = ? [pid 23021] +++ exited with 0 +++ [pid 23020] +++ exited with 0 +++ [pid 23019] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7808", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7808/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7808/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7808/cgroup.cpu") = 0 [pid 287] umount2("./7808/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7808/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7808/binderfs") = 0 [pid 287] umount2("./7808/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7808/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7808/cgroup") = 0 [pid 287] umount2("./7808/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7808/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7808/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7808") = 0 [pid 287] mkdir("./7809", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23022 attached [pid 23022] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23022] chdir("./7809") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22608 [pid 23022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23022] setpgid(0, 0) = 0 [pid 23022] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23022] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23022] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23022] write(3, "1000", 4) = 4 [pid 23022] close(3) = 0 [pid 23022] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23022] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23022] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23022] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23022] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23023 attached => {parent_tid=[22609]}, 88) = 22609 [pid 23023] set_robust_list(0x7f3b956fb9a0, 24 [pid 23022] rt_sigprocmask(SIG_SETMASK, [], [pid 23023] <... set_robust_list resumed>) = 0 [pid 23022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23023] rt_sigprocmask(SIG_SETMASK, [], [pid 23022] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23022] <... futex resumed>) = 0 [pid 23022] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23023] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23022] <... futex resumed>) = 0 [pid 23023] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23022] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23022] <... futex resumed>) = 0 [pid 23023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23022] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23023] <... bpf resumed>) = 4 [pid 23023] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23022] <... futex resumed>) = 0 [pid 23023] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23022] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23022] <... futex resumed>) = 0 [pid 23023] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23022] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23023] <... bpf resumed>) = 0 [pid 23022] <... futex resumed>) = 0 [pid 23023] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23023] <... futex resumed>) = 0 [pid 23022] <... mmap resumed>) = 0x7f3b956ba000 [pid 23023] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23022] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23022] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23024 attached [pid 23024] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23024] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23022] <... clone3 resumed> => {parent_tid=[22610]}, 88) = 22610 [pid 23022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23022] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23024] <... futex resumed>) = 0 [pid 23022] <... futex resumed>) = 1 [pid 23024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23022] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23024] <... bpf resumed>) = 5 [pid 23024] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23022] <... futex resumed>) = 0 [pid 23024] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23022] close(3) = 0 [pid 23022] close(4) = 0 [pid 23022] close(5) = 0 [pid 23022] close(6) = -1 EBADF (Bad file descriptor) [pid 23022] close(7) = -1 EBADF (Bad file descriptor) [pid 23022] close(8) = -1 EBADF (Bad file descriptor) [pid 23022] close(9) = -1 EBADF (Bad file descriptor) [pid 23022] close(10) = -1 EBADF (Bad file descriptor) [pid 23022] close(11) = -1 EBADF (Bad file descriptor) [pid 23022] close(12) = -1 EBADF (Bad file descriptor) [pid 23022] close(13) = -1 EBADF (Bad file descriptor) [pid 23022] close(14) = -1 EBADF (Bad file descriptor) [pid 23022] close(15) = -1 EBADF (Bad file descriptor) [pid 23022] close(16) = -1 EBADF (Bad file descriptor) [pid 23022] close(17) = -1 EBADF (Bad file descriptor) [pid 23022] close(18) = -1 EBADF (Bad file descriptor) [pid 23022] close(19) = -1 EBADF (Bad file descriptor) [pid 23022] close(20) = -1 EBADF (Bad file descriptor) [pid 23022] close(21) = -1 EBADF (Bad file descriptor) [pid 23022] close(22) = -1 EBADF (Bad file descriptor) [pid 23022] close(23) = -1 EBADF (Bad file descriptor) [pid 23022] close(24) = -1 EBADF (Bad file descriptor) [pid 23022] close(25) = -1 EBADF (Bad file descriptor) [pid 23022] close(26) = -1 EBADF (Bad file descriptor) [pid 23022] close(27) = -1 EBADF (Bad file descriptor) [pid 23022] close(28) = -1 EBADF (Bad file descriptor) [pid 23022] close(29) = -1 EBADF (Bad file descriptor) [pid 23022] exit_group(0 [pid 23023] <... futex resumed>) = ? [pid 23022] <... exit_group resumed>) = ? [pid 23024] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 23024] +++ exited with 0 +++ [pid 23023] +++ exited with 0 +++ [pid 23022] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22608, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7809", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7809/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7809/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7809/cgroup.cpu") = 0 [pid 287] umount2("./7809/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7809/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7809/binderfs") = 0 [pid 287] umount2("./7809/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7809/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7809/cgroup") = 0 [pid 287] umount2("./7809/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7809/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7809/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7809") = 0 [pid 287] mkdir("./7810", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23025 attached [pid 23025] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23025] chdir("./7810") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22611 [pid 23025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23025] setpgid(0, 0) = 0 [pid 23025] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23025] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23025] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23025] write(3, "1000", 4) = 4 [pid 23025] close(3) = 0 [pid 23025] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23025] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23025] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23025] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23025] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23026 attached [pid 23026] set_robust_list(0x7f3b956fb9a0, 24 [pid 23025] <... clone3 resumed> => {parent_tid=[22612]}, 88) = 22612 [pid 23026] <... set_robust_list resumed>) = 0 [pid 23025] rt_sigprocmask(SIG_SETMASK, [], [pid 23026] rt_sigprocmask(SIG_SETMASK, [], [pid 23025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23025] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23026] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23025] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23026] <... bpf resumed>) = 3 [pid 23026] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23025] <... futex resumed>) = 0 [pid 23026] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23025] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23025] <... futex resumed>) = 0 [pid 23026] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23025] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23026] <... bpf resumed>) = 4 [pid 23026] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23025] <... futex resumed>) = 0 [pid 23026] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23025] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23025] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23026] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23025] <... futex resumed>) = 0 [pid 23026] <... bpf resumed>) = 0 [pid 23025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23026] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23025] <... mmap resumed>) = 0x7f3b956ba000 [pid 23026] <... futex resumed>) = 0 [pid 23025] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23026] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23025] <... mprotect resumed>) = 0 [pid 23025] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23027 attached => {parent_tid=[22613]}, 88) = 22613 [pid 23027] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23025] rt_sigprocmask(SIG_SETMASK, [], [pid 23027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23027] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23025] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23027] <... futex resumed>) = 0 [pid 23025] <... futex resumed>) = 1 [pid 23027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23025] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23027] <... bpf resumed>) = 5 [pid 23027] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23025] <... futex resumed>) = 0 [pid 23027] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23025] close(3) = 0 [pid 23025] close(4) = 0 [pid 23025] close(5) = 0 [pid 23025] close(6) = -1 EBADF (Bad file descriptor) [pid 23025] close(7) = -1 EBADF (Bad file descriptor) [pid 23025] close(8) = -1 EBADF (Bad file descriptor) [pid 23025] close(9) = -1 EBADF (Bad file descriptor) [pid 23025] close(10) = -1 EBADF (Bad file descriptor) [pid 23025] close(11) = -1 EBADF (Bad file descriptor) [pid 23025] close(12) = -1 EBADF (Bad file descriptor) [pid 23025] close(13) = -1 EBADF (Bad file descriptor) [pid 23025] close(14) = -1 EBADF (Bad file descriptor) [pid 23025] close(15) = -1 EBADF (Bad file descriptor) [pid 23025] close(16) = -1 EBADF (Bad file descriptor) [pid 23025] close(17) = -1 EBADF (Bad file descriptor) [pid 23025] close(18) = -1 EBADF (Bad file descriptor) [pid 23025] close(19) = -1 EBADF (Bad file descriptor) [pid 23025] close(20) = -1 EBADF (Bad file descriptor) [pid 23025] close(21) = -1 EBADF (Bad file descriptor) [pid 23025] close(22) = -1 EBADF (Bad file descriptor) [pid 23025] close(23) = -1 EBADF (Bad file descriptor) [pid 23025] close(24) = -1 EBADF (Bad file descriptor) [pid 23025] close(25) = -1 EBADF (Bad file descriptor) [pid 23025] close(26) = -1 EBADF (Bad file descriptor) [pid 23025] close(27) = -1 EBADF (Bad file descriptor) [pid 23025] close(28) = -1 EBADF (Bad file descriptor) [pid 23025] close(29) = -1 EBADF (Bad file descriptor) [pid 23025] exit_group(0) = ? [pid 23026] <... futex resumed>) = ? [pid 23027] <... futex resumed>) = ? [pid 23027] +++ exited with 0 +++ [pid 23026] +++ exited with 0 +++ [pid 23025] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7810", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7810/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7810/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7810/cgroup.cpu") = 0 [pid 287] umount2("./7810/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7810/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7810/binderfs") = 0 [pid 287] umount2("./7810/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7810/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7810/cgroup") = 0 [pid 287] umount2("./7810/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7810/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7810/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7810") = 0 [pid 287] mkdir("./7811", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23028 attached [pid 23028] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23028] chdir("./7811") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22614 [pid 23028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23028] setpgid(0, 0) = 0 [pid 23028] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23028] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23028] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23028] write(3, "1000", 4) = 4 [pid 23028] close(3) = 0 [pid 23028] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23028] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23028] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23028] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23028] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23029 attached => {parent_tid=[22615]}, 88) = 22615 [pid 23029] set_robust_list(0x7f3b956fb9a0, 24 [pid 23028] rt_sigprocmask(SIG_SETMASK, [], [pid 23029] <... set_robust_list resumed>) = 0 [pid 23028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23029] rt_sigprocmask(SIG_SETMASK, [], [pid 23028] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23028] <... futex resumed>) = 0 [pid 23028] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23029] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23028] <... futex resumed>) = 0 [pid 23029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23028] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23029] <... bpf resumed>) = 4 [pid 23028] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23029] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23029] <... futex resumed>) = 0 [pid 23028] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23029] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23028] <... futex resumed>) = 0 [pid 23029] <... bpf resumed>) = 0 [pid 23028] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23029] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23028] <... futex resumed>) = 0 [pid 23029] <... futex resumed>) = 0 [pid 23028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23029] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23028] <... mmap resumed>) = 0x7f3b956ba000 [pid 23028] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23028] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23030 attached => {parent_tid=[22616]}, 88) = 22616 [pid 23030] set_robust_list(0x7f3b956da9a0, 24 [pid 23028] rt_sigprocmask(SIG_SETMASK, [], [pid 23030] <... set_robust_list resumed>) = 0 [pid 23028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23030] rt_sigprocmask(SIG_SETMASK, [], [pid 23028] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23028] <... futex resumed>) = 0 [pid 23030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23028] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23030] <... bpf resumed>) = 5 [pid 23030] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23028] <... futex resumed>) = 0 [pid 23030] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23028] close(3) = 0 [pid 23028] close(4) = 0 [pid 23028] close(5) = 0 [pid 23028] close(6) = -1 EBADF (Bad file descriptor) [pid 23028] close(7) = -1 EBADF (Bad file descriptor) [pid 23028] close(8) = -1 EBADF (Bad file descriptor) [pid 23028] close(9) = -1 EBADF (Bad file descriptor) [pid 23028] close(10) = -1 EBADF (Bad file descriptor) [pid 23028] close(11) = -1 EBADF (Bad file descriptor) [pid 23028] close(12) = -1 EBADF (Bad file descriptor) [pid 23028] close(13) = -1 EBADF (Bad file descriptor) [pid 23028] close(14) = -1 EBADF (Bad file descriptor) [pid 23028] close(15) = -1 EBADF (Bad file descriptor) [pid 23028] close(16) = -1 EBADF (Bad file descriptor) [pid 23028] close(17) = -1 EBADF (Bad file descriptor) [pid 23028] close(18) = -1 EBADF (Bad file descriptor) [pid 23028] close(19) = -1 EBADF (Bad file descriptor) [pid 23028] close(20) = -1 EBADF (Bad file descriptor) [pid 23028] close(21) = -1 EBADF (Bad file descriptor) [pid 23028] close(22) = -1 EBADF (Bad file descriptor) [pid 23028] close(23) = -1 EBADF (Bad file descriptor) [pid 23028] close(24) = -1 EBADF (Bad file descriptor) [pid 23028] close(25) = -1 EBADF (Bad file descriptor) [pid 23028] close(26) = -1 EBADF (Bad file descriptor) [pid 23028] close(27) = -1 EBADF (Bad file descriptor) [pid 23028] close(28) = -1 EBADF (Bad file descriptor) [pid 23028] close(29) = -1 EBADF (Bad file descriptor) [pid 23028] exit_group(0 [pid 23030] <... futex resumed>) = ? [pid 23029] <... futex resumed>) = ? [pid 23028] <... exit_group resumed>) = ? [pid 23030] +++ exited with 0 +++ [pid 23029] +++ exited with 0 +++ [pid 23028] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7811", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7811/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7811/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7811/cgroup.cpu") = 0 [pid 287] umount2("./7811/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7811/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7811/binderfs") = 0 [pid 287] umount2("./7811/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7811/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7811/cgroup") = 0 [pid 287] umount2("./7811/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7811/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7811/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7811") = 0 [pid 287] mkdir("./7812", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23031 attached [pid 23031] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23031] chdir("./7812") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22617 [pid 23031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23031] setpgid(0, 0) = 0 [pid 23031] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23031] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23031] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23031] write(3, "1000", 4) = 4 [pid 23031] close(3) = 0 [pid 23031] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23031] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23031] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23031] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23031] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23032 attached => {parent_tid=[22618]}, 88) = 22618 [pid 23031] rt_sigprocmask(SIG_SETMASK, [], [pid 23032] set_robust_list(0x7f3b956fb9a0, 24 [pid 23031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23032] <... set_robust_list resumed>) = 0 [pid 23032] rt_sigprocmask(SIG_SETMASK, [], [pid 23031] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23031] <... futex resumed>) = 0 [pid 23031] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23032] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23031] <... futex resumed>) = 0 [pid 23032] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23031] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23031] <... futex resumed>) = 0 [pid 23032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23031] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23032] <... bpf resumed>) = 4 [pid 23032] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23031] <... futex resumed>) = 0 [pid 23032] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23031] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23031] <... futex resumed>) = 0 [pid 23032] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23031] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23032] <... bpf resumed>) = 0 [pid 23031] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23032] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23031] <... mprotect resumed>) = 0 [pid 23032] <... futex resumed>) = 0 [pid 23031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 23032] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 23031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23033 attached [pid 23033] set_robust_list(0x7f3b956da9a0, 24 [pid 23031] <... clone3 resumed> => {parent_tid=[22619]}, 88) = 22619 [pid 23033] <... set_robust_list resumed>) = 0 [pid 23033] rt_sigprocmask(SIG_SETMASK, [], [pid 23031] rt_sigprocmask(SIG_SETMASK, [], [pid 23033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23033] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23031] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23033] <... futex resumed>) = 0 [pid 23031] <... futex resumed>) = 1 [pid 23033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23031] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23033] <... bpf resumed>) = 5 [pid 23033] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23031] <... futex resumed>) = 0 [pid 23033] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23031] close(3) = 0 [pid 23031] close(4) = 0 [pid 23031] close(5) = 0 [pid 23031] close(6) = -1 EBADF (Bad file descriptor) [pid 23031] close(7) = -1 EBADF (Bad file descriptor) [pid 23031] close(8) = -1 EBADF (Bad file descriptor) [pid 23031] close(9) = -1 EBADF (Bad file descriptor) [pid 23031] close(10) = -1 EBADF (Bad file descriptor) [pid 23031] close(11) = -1 EBADF (Bad file descriptor) [pid 23031] close(12) = -1 EBADF (Bad file descriptor) [pid 23031] close(13) = -1 EBADF (Bad file descriptor) [pid 23031] close(14) = -1 EBADF (Bad file descriptor) [pid 23031] close(15) = -1 EBADF (Bad file descriptor) [pid 23031] close(16) = -1 EBADF (Bad file descriptor) [pid 23031] close(17) = -1 EBADF (Bad file descriptor) [pid 23031] close(18) = -1 EBADF (Bad file descriptor) [pid 23031] close(19) = -1 EBADF (Bad file descriptor) [pid 23031] close(20) = -1 EBADF (Bad file descriptor) [pid 23031] close(21) = -1 EBADF (Bad file descriptor) [pid 23031] close(22) = -1 EBADF (Bad file descriptor) [pid 23031] close(23) = -1 EBADF (Bad file descriptor) [pid 23031] close(24) = -1 EBADF (Bad file descriptor) [pid 23031] close(25) = -1 EBADF (Bad file descriptor) [pid 23031] close(26) = -1 EBADF (Bad file descriptor) [pid 23031] close(27) = -1 EBADF (Bad file descriptor) [pid 23031] close(28) = -1 EBADF (Bad file descriptor) [pid 23031] close(29) = -1 EBADF (Bad file descriptor) [pid 23031] exit_group(0) = ? [pid 23033] <... futex resumed>) = ? [pid 23032] <... futex resumed>) = ? [pid 23033] +++ exited with 0 +++ [pid 23032] +++ exited with 0 +++ [pid 23031] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7812", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7812/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7812/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7812/cgroup.cpu") = 0 [pid 287] umount2("./7812/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7812/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7812/binderfs") = 0 [pid 287] umount2("./7812/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7812/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7812/cgroup") = 0 [pid 287] umount2("./7812/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7812/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7812/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7812") = 0 [pid 287] mkdir("./7813", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23034 attached [pid 23034] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23034] chdir("./7813") = 0 [pid 23034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23034] setpgid(0, 0) = 0 [pid 23034] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22620 [pid 23034] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23034] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23034] write(3, "1000", 4) = 4 [pid 23034] close(3) = 0 [pid 23034] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23034] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23034] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23034] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23035 attached => {parent_tid=[22621]}, 88) = 22621 [pid 23035] set_robust_list(0x7f3b956fb9a0, 24 [pid 23034] rt_sigprocmask(SIG_SETMASK, [], [pid 23035] <... set_robust_list resumed>) = 0 [pid 23034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23034] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23035] rt_sigprocmask(SIG_SETMASK, [], [pid 23034] <... futex resumed>) = 0 [pid 23035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23034] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23035] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23034] <... futex resumed>) = 0 [pid 23035] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23034] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23034] <... futex resumed>) = 0 [pid 23035] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23034] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23035] <... bpf resumed>) = 4 [pid 23035] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23034] <... futex resumed>) = 0 [pid 23035] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23034] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23035] <... bpf resumed>) = 0 [pid 23034] <... futex resumed>) = 0 [pid 23035] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23034] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23034] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23035] <... futex resumed>) = 0 [pid 23035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23035] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23034] <... futex resumed>) = 0 [pid 23034] close(3) = 0 [pid 23034] close(4) = 0 [pid 23034] close(5 [pid 23035] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23034] <... close resumed>) = 0 [pid 23034] close(6) = -1 EBADF (Bad file descriptor) [pid 23034] close(7) = -1 EBADF (Bad file descriptor) [pid 23034] close(8) = -1 EBADF (Bad file descriptor) [pid 23034] close(9) = -1 EBADF (Bad file descriptor) [pid 23034] close(10) = -1 EBADF (Bad file descriptor) [pid 23034] close(11) = -1 EBADF (Bad file descriptor) [pid 23034] close(12) = -1 EBADF (Bad file descriptor) [pid 23034] close(13) = -1 EBADF (Bad file descriptor) [pid 23034] close(14) = -1 EBADF (Bad file descriptor) [pid 23034] close(15) = -1 EBADF (Bad file descriptor) [pid 23034] close(16) = -1 EBADF (Bad file descriptor) [pid 23034] close(17) = -1 EBADF (Bad file descriptor) [pid 23034] close(18) = -1 EBADF (Bad file descriptor) [pid 23034] close(19) = -1 EBADF (Bad file descriptor) [pid 23034] close(20) = -1 EBADF (Bad file descriptor) [pid 23034] close(21) = -1 EBADF (Bad file descriptor) [pid 23034] close(22) = -1 EBADF (Bad file descriptor) [pid 23034] close(23) = -1 EBADF (Bad file descriptor) [pid 23034] close(24) = -1 EBADF (Bad file descriptor) [pid 23034] close(25) = -1 EBADF (Bad file descriptor) [pid 23034] close(26) = -1 EBADF (Bad file descriptor) [pid 23034] close(27) = -1 EBADF (Bad file descriptor) [pid 23034] close(28) = -1 EBADF (Bad file descriptor) [pid 23034] close(29) = -1 EBADF (Bad file descriptor) [pid 23034] exit_group(0) = ? [pid 23035] <... futex resumed>) = ? [pid 23035] +++ exited with 0 +++ [pid 23034] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7813", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7813/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7813/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7813/cgroup.cpu") = 0 [pid 287] umount2("./7813/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7813/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7813/binderfs") = 0 [pid 287] umount2("./7813/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7813/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7813/cgroup") = 0 [pid 287] umount2("./7813/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7813/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7813/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7813") = 0 [pid 287] mkdir("./7814", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22622 ./strace-static-x86_64: Process 23036 attached [pid 23036] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23036] chdir("./7814") = 0 [pid 23036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23036] setpgid(0, 0) = 0 [pid 23036] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23036] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23036] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23036] write(3, "1000", 4) = 4 [pid 23036] close(3) = 0 [pid 23036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23036] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23036] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23036] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23037 attached [pid 23037] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23036] <... clone3 resumed> => {parent_tid=[22623]}, 88) = 22623 [pid 23037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23036] rt_sigprocmask(SIG_SETMASK, [], [pid 23037] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23036] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23037] <... futex resumed>) = 0 [pid 23036] <... futex resumed>) = 1 [pid 23037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23036] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23037] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23037] <... futex resumed>) = 0 [pid 23036] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23037] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23036] <... futex resumed>) = 0 [pid 23037] <... bpf resumed>) = 4 [pid 23036] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23037] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23037] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 23036] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23037] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 23036] <... futex resumed>) = 0 [pid 23037] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23036] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23036] <... futex resumed>) = 0 [pid 23037] <... bpf resumed>) = 5 [pid 23037] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23036] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23037] <... futex resumed>) = 0 [pid 23037] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23036] close(3) = 0 [pid 23036] close(4) = 0 [pid 23036] close(5) = 0 [pid 23036] close(6) = -1 EBADF (Bad file descriptor) [pid 23036] close(7) = -1 EBADF (Bad file descriptor) [pid 23036] close(8) = -1 EBADF (Bad file descriptor) [pid 23036] close(9) = -1 EBADF (Bad file descriptor) [pid 23036] close(10) = -1 EBADF (Bad file descriptor) [pid 23036] close(11) = -1 EBADF (Bad file descriptor) [pid 23036] close(12) = -1 EBADF (Bad file descriptor) [pid 23036] close(13) = -1 EBADF (Bad file descriptor) [pid 23036] close(14) = -1 EBADF (Bad file descriptor) [pid 23036] close(15) = -1 EBADF (Bad file descriptor) [pid 23036] close(16) = -1 EBADF (Bad file descriptor) [pid 23036] close(17) = -1 EBADF (Bad file descriptor) [pid 23036] close(18) = -1 EBADF (Bad file descriptor) [pid 23036] close(19) = -1 EBADF (Bad file descriptor) [pid 23036] close(20) = -1 EBADF (Bad file descriptor) [pid 23036] close(21) = -1 EBADF (Bad file descriptor) [pid 23036] close(22) = -1 EBADF (Bad file descriptor) [pid 23036] close(23) = -1 EBADF (Bad file descriptor) [pid 23036] close(24) = -1 EBADF (Bad file descriptor) [pid 23036] close(25) = -1 EBADF (Bad file descriptor) [pid 23036] close(26) = -1 EBADF (Bad file descriptor) [pid 23036] close(27) = -1 EBADF (Bad file descriptor) [pid 23036] close(28) = -1 EBADF (Bad file descriptor) [pid 23036] close(29) = -1 EBADF (Bad file descriptor) [pid 23036] exit_group(0 [pid 23037] <... futex resumed>) = ? [pid 23036] <... exit_group resumed>) = ? [pid 23037] +++ exited with 0 +++ [pid 23036] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7814", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7814/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7814/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7814/cgroup.cpu") = 0 [pid 287] umount2("./7814/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7814/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7814/binderfs") = 0 [pid 287] umount2("./7814/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7814/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7814/cgroup") = 0 [pid 287] umount2("./7814/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7814/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7814/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7814") = 0 [pid 287] mkdir("./7815", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23038 attached [pid 23038] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23038] chdir("./7815") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22624 [pid 23038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23038] setpgid(0, 0) = 0 [pid 23038] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23038] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23038] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23038] write(3, "1000", 4) = 4 [pid 23038] close(3) = 0 [pid 23038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23038] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23038] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23038] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23039 attached => {parent_tid=[22625]}, 88) = 22625 [pid 23039] set_robust_list(0x7f3b956fb9a0, 24 [pid 23038] rt_sigprocmask(SIG_SETMASK, [], [pid 23039] <... set_robust_list resumed>) = 0 [pid 23038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23039] rt_sigprocmask(SIG_SETMASK, [], [pid 23038] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23038] <... futex resumed>) = 0 [pid 23038] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23039] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23038] <... futex resumed>) = 0 [pid 23038] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23038] <... futex resumed>) = 0 [pid 23038] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23039] <... bpf resumed>) = 4 [pid 23039] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23038] <... futex resumed>) = 0 [pid 23039] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23038] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23038] <... futex resumed>) = 0 [pid 23039] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23038] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23039] <... bpf resumed>) = 0 [pid 23038] <... futex resumed>) = 0 [pid 23038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23038] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23039] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23038] <... mprotect resumed>) = 0 [pid 23039] <... futex resumed>) = 0 [pid 23038] rt_sigprocmask(SIG_BLOCK, ~[], [pid 23039] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23038] <... rt_sigprocmask resumed>[], 8) = 0 [pid 23038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23040 attached [pid 23040] set_robust_list(0x7f3b956da9a0, 24 [pid 23038] <... clone3 resumed> => {parent_tid=[22626]}, 88) = 22626 [pid 23040] <... set_robust_list resumed>) = 0 [pid 23040] rt_sigprocmask(SIG_SETMASK, [], [pid 23038] rt_sigprocmask(SIG_SETMASK, [], [pid 23040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23040] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23038] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23038] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23040] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23038] <... futex resumed>) = 0 [pid 23040] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23038] close(3) = 0 [pid 23038] close(4) = 0 [pid 23038] close(5) = 0 [pid 23038] close(6) = -1 EBADF (Bad file descriptor) [pid 23038] close(7) = -1 EBADF (Bad file descriptor) [pid 23038] close(8) = -1 EBADF (Bad file descriptor) [pid 23038] close(9) = -1 EBADF (Bad file descriptor) [pid 23038] close(10) = -1 EBADF (Bad file descriptor) [pid 23038] close(11) = -1 EBADF (Bad file descriptor) [pid 23038] close(12) = -1 EBADF (Bad file descriptor) [pid 23038] close(13) = -1 EBADF (Bad file descriptor) [pid 23038] close(14) = -1 EBADF (Bad file descriptor) [pid 23038] close(15) = -1 EBADF (Bad file descriptor) [pid 23038] close(16) = -1 EBADF (Bad file descriptor) [pid 23038] close(17) = -1 EBADF (Bad file descriptor) [pid 23038] close(18) = -1 EBADF (Bad file descriptor) [pid 23038] close(19) = -1 EBADF (Bad file descriptor) [pid 23038] close(20) = -1 EBADF (Bad file descriptor) [pid 23038] close(21) = -1 EBADF (Bad file descriptor) [pid 23038] close(22) = -1 EBADF (Bad file descriptor) [pid 23038] close(23) = -1 EBADF (Bad file descriptor) [pid 23038] close(24) = -1 EBADF (Bad file descriptor) [pid 23038] close(25) = -1 EBADF (Bad file descriptor) [pid 23038] close(26) = -1 EBADF (Bad file descriptor) [pid 23038] close(27) = -1 EBADF (Bad file descriptor) [pid 23038] close(28) = -1 EBADF (Bad file descriptor) [pid 23038] close(29) = -1 EBADF (Bad file descriptor) [pid 23038] exit_group(0 [pid 23040] <... futex resumed>) = ? [pid 23039] <... futex resumed>) = ? [pid 23038] <... exit_group resumed>) = ? [pid 23040] +++ exited with 0 +++ [pid 23039] +++ exited with 0 +++ [pid 23038] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7815", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7815/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7815/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7815/cgroup.cpu") = 0 [pid 287] umount2("./7815/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7815/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7815/binderfs") = 0 [pid 287] umount2("./7815/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7815/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7815/cgroup") = 0 [pid 287] umount2("./7815/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7815/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7815/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7815") = 0 [pid 287] mkdir("./7816", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23041 attached [pid 23041] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22627 [pid 23041] chdir("./7816") = 0 [pid 23041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23041] setpgid(0, 0) = 0 [pid 23041] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23041] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23041] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23041] write(3, "1000", 4) = 4 [pid 23041] close(3) = 0 [pid 23041] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23041] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23041] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23041] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23042 attached [pid 23042] set_robust_list(0x7f3b956fb9a0, 24 [pid 23041] <... clone3 resumed> => {parent_tid=[22628]}, 88) = 22628 [pid 23042] <... set_robust_list resumed>) = 0 [pid 23041] rt_sigprocmask(SIG_SETMASK, [], [pid 23042] rt_sigprocmask(SIG_SETMASK, [], [pid 23041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23041] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23041] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23042] <... bpf resumed>) = 3 [pid 23042] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23041] <... futex resumed>) = 0 [pid 23042] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23041] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23041] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23042] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23041] <... futex resumed>) = 0 [pid 23042] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23041] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23041] <... futex resumed>) = 0 [pid 23041] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23042] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23041] <... mmap resumed>) = 0x7f3b956ba000 [pid 23042] <... bpf resumed>) = 0 [pid 23041] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23042] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23041] <... mprotect resumed>) = 0 [pid 23042] <... futex resumed>) = 0 [pid 23041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23043 attached [pid 23042] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23041] <... clone3 resumed> => {parent_tid=[22629]}, 88) = 22629 [pid 23043] set_robust_list(0x7f3b956da9a0, 24 [pid 23041] rt_sigprocmask(SIG_SETMASK, [], [pid 23043] <... set_robust_list resumed>) = 0 [pid 23041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23043] rt_sigprocmask(SIG_SETMASK, [], [pid 23041] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23041] <... futex resumed>) = 0 [pid 23041] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23043] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23041] <... futex resumed>) = 0 [pid 23043] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23041] close(3) = 0 [pid 23041] close(4) = 0 [pid 23041] close(5) = 0 [pid 23041] close(6) = -1 EBADF (Bad file descriptor) [pid 23041] close(7) = -1 EBADF (Bad file descriptor) [pid 23041] close(8) = -1 EBADF (Bad file descriptor) [pid 23041] close(9) = -1 EBADF (Bad file descriptor) [pid 23041] close(10) = -1 EBADF (Bad file descriptor) [pid 23041] close(11) = -1 EBADF (Bad file descriptor) [pid 23041] close(12) = -1 EBADF (Bad file descriptor) [pid 23041] close(13) = -1 EBADF (Bad file descriptor) [pid 23041] close(14) = -1 EBADF (Bad file descriptor) [pid 23041] close(15) = -1 EBADF (Bad file descriptor) [pid 23041] close(16) = -1 EBADF (Bad file descriptor) [pid 23041] close(17) = -1 EBADF (Bad file descriptor) [pid 23041] close(18) = -1 EBADF (Bad file descriptor) [pid 23041] close(19) = -1 EBADF (Bad file descriptor) [pid 23041] close(20) = -1 EBADF (Bad file descriptor) [pid 23041] close(21) = -1 EBADF (Bad file descriptor) [pid 23041] close(22) = -1 EBADF (Bad file descriptor) [pid 23041] close(23) = -1 EBADF (Bad file descriptor) [pid 23041] close(24) = -1 EBADF (Bad file descriptor) [pid 23041] close(25) = -1 EBADF (Bad file descriptor) [pid 23041] close(26) = -1 EBADF (Bad file descriptor) [pid 23041] close(27) = -1 EBADF (Bad file descriptor) [pid 23041] close(28) = -1 EBADF (Bad file descriptor) [pid 23041] close(29) = -1 EBADF (Bad file descriptor) [pid 23041] exit_group(0 [pid 23042] <... futex resumed>) = ? [pid 23041] <... exit_group resumed>) = ? [pid 23042] +++ exited with 0 +++ [pid 23043] <... futex resumed>) = ? [pid 23043] +++ exited with 0 +++ [pid 23041] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7816", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7816/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7816/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7816/cgroup.cpu") = 0 [pid 287] umount2("./7816/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7816/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7816/binderfs") = 0 [pid 287] umount2("./7816/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7816/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7816/cgroup") = 0 [pid 287] umount2("./7816/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7816/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7816/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7816") = 0 [pid 287] mkdir("./7817", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23044 attached [pid 23044] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23044] chdir("./7817") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22630 [pid 23044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23044] setpgid(0, 0) = 0 [pid 23044] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23044] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23044] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23044] write(3, "1000", 4) = 4 [pid 23044] close(3) = 0 [pid 23044] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23044] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23044] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23044] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23045 attached [pid 23045] set_robust_list(0x7f3b956fb9a0, 24 [pid 23044] <... clone3 resumed> => {parent_tid=[22631]}, 88) = 22631 [pid 23045] <... set_robust_list resumed>) = 0 [pid 23044] rt_sigprocmask(SIG_SETMASK, [], [pid 23045] rt_sigprocmask(SIG_SETMASK, [], [pid 23044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23044] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23044] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23045] <... bpf resumed>) = 3 [pid 23045] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23044] <... futex resumed>) = 0 [pid 23044] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23045] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23044] <... futex resumed>) = 0 [pid 23045] <... bpf resumed>) = 4 [pid 23044] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23045] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23045] <... futex resumed>) = 0 [pid 23044] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23045] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23044] <... futex resumed>) = 0 [pid 23045] <... bpf resumed>) = 0 [pid 23044] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23045] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23044] <... futex resumed>) = 0 [pid 23045] <... futex resumed>) = 0 [pid 23044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23045] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23044] <... mmap resumed>) = 0x7f3b956ba000 [pid 23044] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23046 attached => {parent_tid=[22632]}, 88) = 22632 [pid 23046] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23044] rt_sigprocmask(SIG_SETMASK, [], [pid 23046] rt_sigprocmask(SIG_SETMASK, [], [pid 23044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23046] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23044] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23046] <... futex resumed>) = 0 [pid 23044] <... futex resumed>) = 1 [pid 23046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23044] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23046] <... bpf resumed>) = 5 [pid 23046] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23044] <... futex resumed>) = 0 [pid 23046] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23044] close(3) = 0 [pid 23044] close(4) = 0 [pid 23044] close(5) = 0 [pid 23044] close(6) = -1 EBADF (Bad file descriptor) [pid 23044] close(7) = -1 EBADF (Bad file descriptor) [pid 23044] close(8) = -1 EBADF (Bad file descriptor) [pid 23044] close(9) = -1 EBADF (Bad file descriptor) [pid 23044] close(10) = -1 EBADF (Bad file descriptor) [pid 23044] close(11) = -1 EBADF (Bad file descriptor) [pid 23044] close(12) = -1 EBADF (Bad file descriptor) [pid 23044] close(13) = -1 EBADF (Bad file descriptor) [pid 23044] close(14) = -1 EBADF (Bad file descriptor) [pid 23044] close(15) = -1 EBADF (Bad file descriptor) [pid 23044] close(16) = -1 EBADF (Bad file descriptor) [pid 23044] close(17) = -1 EBADF (Bad file descriptor) [pid 23044] close(18) = -1 EBADF (Bad file descriptor) [pid 23044] close(19) = -1 EBADF (Bad file descriptor) [pid 23044] close(20) = -1 EBADF (Bad file descriptor) [pid 23044] close(21) = -1 EBADF (Bad file descriptor) [pid 23044] close(22) = -1 EBADF (Bad file descriptor) [pid 23044] close(23) = -1 EBADF (Bad file descriptor) [pid 23044] close(24) = -1 EBADF (Bad file descriptor) [pid 23044] close(25) = -1 EBADF (Bad file descriptor) [pid 23044] close(26) = -1 EBADF (Bad file descriptor) [pid 23044] close(27) = -1 EBADF (Bad file descriptor) [pid 23044] close(28) = -1 EBADF (Bad file descriptor) [pid 23044] close(29) = -1 EBADF (Bad file descriptor) [pid 23044] exit_group(0 [pid 23045] <... futex resumed>) = ? [pid 23044] <... exit_group resumed>) = ? [pid 23046] <... futex resumed>) = ? [pid 23045] +++ exited with 0 +++ [pid 23046] +++ exited with 0 +++ [pid 23044] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7817", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7817/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7817/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7817/cgroup.cpu") = 0 [pid 287] umount2("./7817/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7817/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7817/binderfs") = 0 [pid 287] umount2("./7817/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7817/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7817/cgroup") = 0 [pid 287] umount2("./7817/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7817/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7817/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7817") = 0 [pid 287] mkdir("./7818", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23047 attached [pid 23047] set_robust_list(0x555555ae16a0, 24) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22633 [pid 23047] chdir("./7818") = 0 [pid 23047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23047] setpgid(0, 0) = 0 [pid 23047] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23047] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23047] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23047] write(3, "1000", 4) = 4 [pid 23047] close(3) = 0 [pid 23047] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23047] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23047] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23047] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23048 attached [pid 23048] set_robust_list(0x7f3b956fb9a0, 24 [pid 23047] <... clone3 resumed> => {parent_tid=[22634]}, 88) = 22634 [pid 23048] <... set_robust_list resumed>) = 0 [pid 23047] rt_sigprocmask(SIG_SETMASK, [], [pid 23048] rt_sigprocmask(SIG_SETMASK, [], [pid 23047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23047] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23047] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23048] <... bpf resumed>) = 3 [pid 23048] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23047] <... futex resumed>) = 0 [pid 23048] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23047] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23047] <... futex resumed>) = 0 [pid 23048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23047] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23048] <... bpf resumed>) = 4 [pid 23048] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23047] <... futex resumed>) = 0 [pid 23048] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23047] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23047] <... futex resumed>) = 0 [pid 23048] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23047] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23048] <... bpf resumed>) = 0 [pid 23047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23048] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23047] <... mmap resumed>) = 0x7f3b956ba000 [pid 23048] <... futex resumed>) = 0 [pid 23047] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23048] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23047] <... mprotect resumed>) = 0 [pid 23047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23049 attached [pid 23049] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23047] <... clone3 resumed> => {parent_tid=[22635]}, 88) = 22635 [pid 23049] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23047] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23049] <... futex resumed>) = 0 [pid 23047] <... futex resumed>) = 1 [pid 23049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23047] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23049] <... bpf resumed>) = 5 [pid 23049] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23049] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23047] <... futex resumed>) = 0 [pid 23047] close(3) = 0 [pid 23047] close(4) = 0 [pid 23047] close(5) = 0 [pid 23047] close(6) = -1 EBADF (Bad file descriptor) [pid 23047] close(7) = -1 EBADF (Bad file descriptor) [pid 23047] close(8) = -1 EBADF (Bad file descriptor) [pid 23047] close(9) = -1 EBADF (Bad file descriptor) [pid 23047] close(10) = -1 EBADF (Bad file descriptor) [pid 23047] close(11) = -1 EBADF (Bad file descriptor) [pid 23047] close(12) = -1 EBADF (Bad file descriptor) [pid 23047] close(13) = -1 EBADF (Bad file descriptor) [pid 23047] close(14) = -1 EBADF (Bad file descriptor) [pid 23047] close(15) = -1 EBADF (Bad file descriptor) [pid 23047] close(16) = -1 EBADF (Bad file descriptor) [pid 23047] close(17) = -1 EBADF (Bad file descriptor) [pid 23047] close(18) = -1 EBADF (Bad file descriptor) [pid 23047] close(19) = -1 EBADF (Bad file descriptor) [pid 23047] close(20) = -1 EBADF (Bad file descriptor) [pid 23047] close(21) = -1 EBADF (Bad file descriptor) [pid 23047] close(22) = -1 EBADF (Bad file descriptor) [pid 23047] close(23) = -1 EBADF (Bad file descriptor) [pid 23047] close(24) = -1 EBADF (Bad file descriptor) [pid 23047] close(25) = -1 EBADF (Bad file descriptor) [pid 23047] close(26) = -1 EBADF (Bad file descriptor) [pid 23047] close(27) = -1 EBADF (Bad file descriptor) [pid 23047] close(28) = -1 EBADF (Bad file descriptor) [pid 23047] close(29) = -1 EBADF (Bad file descriptor) [pid 23047] exit_group(0 [pid 23048] <... futex resumed>) = ? [pid 23047] <... exit_group resumed>) = ? [pid 23049] <... futex resumed>) = ? [pid 23048] +++ exited with 0 +++ [pid 23049] +++ exited with 0 +++ [pid 23047] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7818", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7818/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7818/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7818/cgroup.cpu") = 0 [pid 287] umount2("./7818/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7818/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7818/binderfs") = 0 [pid 287] umount2("./7818/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7818/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7818/cgroup") = 0 [pid 287] umount2("./7818/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7818/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7818/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7818") = 0 [pid 287] mkdir("./7819", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23050 attached [pid 23050] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23050] chdir("./7819") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22636 [pid 23050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23050] setpgid(0, 0) = 0 [pid 23050] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23050] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23050] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23050] write(3, "1000", 4) = 4 [pid 23050] close(3) = 0 [pid 23050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23050] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23050] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23050] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23051 attached [pid 23051] set_robust_list(0x7f3b956fb9a0, 24 [pid 23050] <... clone3 resumed> => {parent_tid=[22637]}, 88) = 22637 [pid 23051] <... set_robust_list resumed>) = 0 [pid 23050] rt_sigprocmask(SIG_SETMASK, [], [pid 23051] rt_sigprocmask(SIG_SETMASK, [], [pid 23050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23050] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23050] <... futex resumed>) = 0 [pid 23050] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23051] <... bpf resumed>) = 3 [pid 23051] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23050] <... futex resumed>) = 0 [pid 23051] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23050] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23050] <... futex resumed>) = 0 [pid 23051] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23050] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23051] <... bpf resumed>) = 4 [pid 23051] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23050] <... futex resumed>) = 0 [pid 23051] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23050] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23050] <... futex resumed>) = 0 [pid 23051] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23050] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23051] <... bpf resumed>) = 0 [pid 23050] <... futex resumed>) = 0 [pid 23051] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23051] <... futex resumed>) = 0 [pid 23050] <... mmap resumed>) = 0x7f3b956ba000 [pid 23051] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23050] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23052 attached [pid 23052] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23050] <... clone3 resumed> => {parent_tid=[22638]}, 88) = 22638 [pid 23052] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23050] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23052] <... futex resumed>) = 0 [pid 23050] <... futex resumed>) = 1 [pid 23052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23050] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23052] <... bpf resumed>) = 5 [pid 23052] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23050] <... futex resumed>) = 0 [pid 23052] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23050] close(3) = 0 [pid 23050] close(4) = 0 [pid 23050] close(5) = 0 [pid 23050] close(6) = -1 EBADF (Bad file descriptor) [pid 23050] close(7) = -1 EBADF (Bad file descriptor) [pid 23050] close(8) = -1 EBADF (Bad file descriptor) [pid 23050] close(9) = -1 EBADF (Bad file descriptor) [pid 23050] close(10) = -1 EBADF (Bad file descriptor) [pid 23050] close(11) = -1 EBADF (Bad file descriptor) [pid 23050] close(12) = -1 EBADF (Bad file descriptor) [pid 23050] close(13) = -1 EBADF (Bad file descriptor) [pid 23050] close(14) = -1 EBADF (Bad file descriptor) [pid 23050] close(15) = -1 EBADF (Bad file descriptor) [pid 23050] close(16) = -1 EBADF (Bad file descriptor) [pid 23050] close(17) = -1 EBADF (Bad file descriptor) [pid 23050] close(18) = -1 EBADF (Bad file descriptor) [pid 23050] close(19) = -1 EBADF (Bad file descriptor) [pid 23050] close(20) = -1 EBADF (Bad file descriptor) [pid 23050] close(21) = -1 EBADF (Bad file descriptor) [pid 23050] close(22) = -1 EBADF (Bad file descriptor) [pid 23050] close(23) = -1 EBADF (Bad file descriptor) [pid 23050] close(24) = -1 EBADF (Bad file descriptor) [pid 23050] close(25) = -1 EBADF (Bad file descriptor) [pid 23050] close(26) = -1 EBADF (Bad file descriptor) [pid 23050] close(27) = -1 EBADF (Bad file descriptor) [pid 23050] close(28) = -1 EBADF (Bad file descriptor) [pid 23050] close(29) = -1 EBADF (Bad file descriptor) [pid 23050] exit_group(0 [pid 23051] <... futex resumed>) = ? [pid 23050] <... exit_group resumed>) = ? [pid 23052] <... futex resumed>) = ? [pid 23051] +++ exited with 0 +++ [pid 23052] +++ exited with 0 +++ [pid 23050] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7819", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7819/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7819/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7819/cgroup.cpu") = 0 [pid 287] umount2("./7819/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7819/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7819/binderfs") = 0 [pid 287] umount2("./7819/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7819/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7819/cgroup") = 0 [pid 287] umount2("./7819/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7819/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7819/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7819") = 0 [pid 287] mkdir("./7820", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23054 attached [pid 23054] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23054] chdir("./7820") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22639 [pid 23054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23054] setpgid(0, 0) = 0 [pid 23054] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23054] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23054] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23054] write(3, "1000", 4) = 4 [pid 23054] close(3) = 0 [pid 23054] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23054] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23054] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23054] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23055 attached => {parent_tid=[22640]}, 88) = 22640 [pid 23055] set_robust_list(0x7f3b956fb9a0, 24 [pid 23054] rt_sigprocmask(SIG_SETMASK, [], [pid 23055] <... set_robust_list resumed>) = 0 [pid 23054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23055] rt_sigprocmask(SIG_SETMASK, [], [pid 23054] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23054] <... futex resumed>) = 0 [pid 23054] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23055] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23054] <... futex resumed>) = 0 [pid 23054] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23054] <... futex resumed>) = 0 [pid 23054] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23055] <... bpf resumed>) = 4 [pid 23055] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23054] <... futex resumed>) = 0 [pid 23054] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23055] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23054] <... futex resumed>) = 0 [pid 23055] <... bpf resumed>) = 0 [pid 23054] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23055] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23054] <... futex resumed>) = 0 [pid 23055] <... futex resumed>) = 0 [pid 23054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23055] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23054] <... mmap resumed>) = 0x7f3b956ba000 [pid 23054] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23056 attached [pid 23056] set_robust_list(0x7f3b956da9a0, 24 [pid 23054] <... clone3 resumed> => {parent_tid=[22641]}, 88) = 22641 [pid 23056] <... set_robust_list resumed>) = 0 [pid 23056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23056] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23054] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23056] <... futex resumed>) = 0 [pid 23054] <... futex resumed>) = 1 [pid 23056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23054] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23056] <... bpf resumed>) = 5 [pid 23056] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23054] <... futex resumed>) = 0 [pid 23056] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23054] close(3) = 0 [pid 23054] close(4) = 0 [pid 23054] close(5) = 0 [pid 23054] close(6) = -1 EBADF (Bad file descriptor) [pid 23054] close(7) = -1 EBADF (Bad file descriptor) [pid 23054] close(8) = -1 EBADF (Bad file descriptor) [pid 23054] close(9) = -1 EBADF (Bad file descriptor) [pid 23054] close(10) = -1 EBADF (Bad file descriptor) [pid 23054] close(11) = -1 EBADF (Bad file descriptor) [pid 23054] close(12) = -1 EBADF (Bad file descriptor) [pid 23054] close(13) = -1 EBADF (Bad file descriptor) [pid 23054] close(14) = -1 EBADF (Bad file descriptor) [pid 23054] close(15) = -1 EBADF (Bad file descriptor) [pid 23054] close(16) = -1 EBADF (Bad file descriptor) [pid 23054] close(17) = -1 EBADF (Bad file descriptor) [pid 23054] close(18) = -1 EBADF (Bad file descriptor) [pid 23054] close(19) = -1 EBADF (Bad file descriptor) [pid 23054] close(20) = -1 EBADF (Bad file descriptor) [pid 23054] close(21) = -1 EBADF (Bad file descriptor) [pid 23054] close(22) = -1 EBADF (Bad file descriptor) [pid 23054] close(23) = -1 EBADF (Bad file descriptor) [pid 23054] close(24) = -1 EBADF (Bad file descriptor) [pid 23054] close(25) = -1 EBADF (Bad file descriptor) [pid 23054] close(26) = -1 EBADF (Bad file descriptor) [pid 23054] close(27) = -1 EBADF (Bad file descriptor) [pid 23054] close(28) = -1 EBADF (Bad file descriptor) [pid 23054] close(29) = -1 EBADF (Bad file descriptor) [pid 23054] exit_group(0 [pid 23056] <... futex resumed>) = ? [pid 23055] <... futex resumed>) = ? [pid 23054] <... exit_group resumed>) = ? [pid 23056] +++ exited with 0 +++ [pid 23055] +++ exited with 0 +++ [pid 23054] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7820", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7820/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7820/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7820/cgroup.cpu") = 0 [pid 287] umount2("./7820/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7820/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7820/binderfs") = 0 [pid 287] umount2("./7820/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7820/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7820/cgroup") = 0 [pid 287] umount2("./7820/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7820/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7820/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7820") = 0 [pid 287] mkdir("./7821", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23057 attached [pid 23057] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23057] chdir("./7821") = 0 [pid 23057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23057] setpgid(0, 0) = 0 [pid 23057] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22642 [pid 23057] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23057] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23057] write(3, "1000", 4) = 4 [pid 23057] close(3) = 0 [pid 23057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23057] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23057] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23057] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23058 attached [pid 23058] set_robust_list(0x7f3b956fb9a0, 24 [pid 23057] <... clone3 resumed> => {parent_tid=[22643]}, 88) = 22643 [pid 23058] <... set_robust_list resumed>) = 0 [pid 23057] rt_sigprocmask(SIG_SETMASK, [], [pid 23058] rt_sigprocmask(SIG_SETMASK, [], [pid 23057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23057] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23057] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23058] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23057] <... futex resumed>) = 0 [pid 23058] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23057] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23057] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23058] <... bpf resumed>) = 4 [pid 23058] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23057] <... futex resumed>) = 0 [pid 23058] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23057] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23057] <... futex resumed>) = 0 [pid 23058] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23057] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23058] <... bpf resumed>) = 0 [pid 23057] <... futex resumed>) = 0 [pid 23057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23058] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23057] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23058] <... futex resumed>) = 0 [pid 23057] <... mprotect resumed>) = 0 [pid 23058] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23059 attached [pid 23059] set_robust_list(0x7f3b956da9a0, 24 [pid 23057] <... clone3 resumed> => {parent_tid=[22644]}, 88) = 22644 [pid 23059] <... set_robust_list resumed>) = 0 [pid 23059] rt_sigprocmask(SIG_SETMASK, [], [pid 23057] rt_sigprocmask(SIG_SETMASK, [], [pid 23059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23057] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23057] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23059] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23057] <... futex resumed>) = 0 [pid 23059] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23057] close(3) = 0 [pid 23057] close(4) = 0 [pid 23057] close(5) = 0 [pid 23057] close(6) = -1 EBADF (Bad file descriptor) [pid 23057] close(7) = -1 EBADF (Bad file descriptor) [pid 23057] close(8) = -1 EBADF (Bad file descriptor) [pid 23057] close(9) = -1 EBADF (Bad file descriptor) [pid 23057] close(10) = -1 EBADF (Bad file descriptor) [pid 23057] close(11) = -1 EBADF (Bad file descriptor) [pid 23057] close(12) = -1 EBADF (Bad file descriptor) [pid 23057] close(13) = -1 EBADF (Bad file descriptor) [pid 23057] close(14) = -1 EBADF (Bad file descriptor) [pid 23057] close(15) = -1 EBADF (Bad file descriptor) [pid 23057] close(16) = -1 EBADF (Bad file descriptor) [pid 23057] close(17) = -1 EBADF (Bad file descriptor) [pid 23057] close(18) = -1 EBADF (Bad file descriptor) [pid 23057] close(19) = -1 EBADF (Bad file descriptor) [pid 23057] close(20) = -1 EBADF (Bad file descriptor) [pid 23057] close(21) = -1 EBADF (Bad file descriptor) [pid 23057] close(22) = -1 EBADF (Bad file descriptor) [pid 23057] close(23) = -1 EBADF (Bad file descriptor) [pid 23057] close(24) = -1 EBADF (Bad file descriptor) [pid 23057] close(25) = -1 EBADF (Bad file descriptor) [pid 23057] close(26) = -1 EBADF (Bad file descriptor) [pid 23057] close(27) = -1 EBADF (Bad file descriptor) [pid 23057] close(28) = -1 EBADF (Bad file descriptor) [pid 23057] close(29) = -1 EBADF (Bad file descriptor) [pid 23057] exit_group(0 [pid 23059] <... futex resumed>) = ? [pid 23058] <... futex resumed>) = ? [pid 23057] <... exit_group resumed>) = ? [pid 23059] +++ exited with 0 +++ [pid 23058] +++ exited with 0 +++ [pid 23057] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7821", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7821/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7821/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7821/cgroup.cpu") = 0 [pid 287] umount2("./7821/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7821/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7821/binderfs") = 0 [pid 287] umount2("./7821/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7821/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7821/cgroup") = 0 [pid 287] umount2("./7821/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7821/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7821/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7821") = 0 [pid 287] mkdir("./7822", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23060 attached [pid 23060] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23060] chdir("./7822" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22645 [pid 23060] <... chdir resumed>) = 0 [pid 23060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23060] setpgid(0, 0) = 0 [pid 23060] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23060] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23060] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23060] write(3, "1000", 4) = 4 [pid 23060] close(3) = 0 [pid 23060] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23060] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23060] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23060] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23061 attached [pid 23061] set_robust_list(0x7f3b956fb9a0, 24 [pid 23060] <... clone3 resumed> => {parent_tid=[22646]}, 88) = 22646 [pid 23061] <... set_robust_list resumed>) = 0 [pid 23060] rt_sigprocmask(SIG_SETMASK, [], [pid 23061] rt_sigprocmask(SIG_SETMASK, [], [pid 23060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23060] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23060] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23061] <... bpf resumed>) = 3 [pid 23061] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23060] <... futex resumed>) = 0 [pid 23061] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23060] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23060] <... futex resumed>) = 0 [pid 23061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23060] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23061] <... bpf resumed>) = 4 [pid 23061] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23060] <... futex resumed>) = 0 [pid 23061] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23060] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23060] <... futex resumed>) = 0 [pid 23061] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23060] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23061] <... bpf resumed>) = 0 [pid 23060] <... futex resumed>) = 0 [pid 23061] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23061] <... futex resumed>) = 0 [pid 23060] <... mmap resumed>) = 0x7f3b956ba000 [pid 23061] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23060] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23062 attached [pid 23062] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23062] rt_sigprocmask(SIG_SETMASK, [], [pid 23060] <... clone3 resumed> => {parent_tid=[22647]}, 88) = 22647 [pid 23062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23062] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23060] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23062] <... futex resumed>) = 0 [pid 23062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23060] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23062] <... bpf resumed>) = 5 [pid 23062] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23062] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23060] <... futex resumed>) = 0 [pid 23060] close(3) = 0 [pid 23060] close(4) = 0 [pid 23060] close(5) = 0 [pid 23060] close(6) = -1 EBADF (Bad file descriptor) [pid 23060] close(7) = -1 EBADF (Bad file descriptor) [pid 23060] close(8) = -1 EBADF (Bad file descriptor) [pid 23060] close(9) = -1 EBADF (Bad file descriptor) [pid 23060] close(10) = -1 EBADF (Bad file descriptor) [pid 23060] close(11) = -1 EBADF (Bad file descriptor) [pid 23060] close(12) = -1 EBADF (Bad file descriptor) [pid 23060] close(13) = -1 EBADF (Bad file descriptor) [pid 23060] close(14) = -1 EBADF (Bad file descriptor) [pid 23060] close(15) = -1 EBADF (Bad file descriptor) [pid 23060] close(16) = -1 EBADF (Bad file descriptor) [pid 23060] close(17) = -1 EBADF (Bad file descriptor) [pid 23060] close(18) = -1 EBADF (Bad file descriptor) [pid 23060] close(19) = -1 EBADF (Bad file descriptor) [pid 23060] close(20) = -1 EBADF (Bad file descriptor) [pid 23060] close(21) = -1 EBADF (Bad file descriptor) [pid 23060] close(22) = -1 EBADF (Bad file descriptor) [pid 23060] close(23) = -1 EBADF (Bad file descriptor) [pid 23060] close(24) = -1 EBADF (Bad file descriptor) [pid 23060] close(25) = -1 EBADF (Bad file descriptor) [pid 23060] close(26) = -1 EBADF (Bad file descriptor) [pid 23060] close(27) = -1 EBADF (Bad file descriptor) [pid 23060] close(28) = -1 EBADF (Bad file descriptor) [pid 23060] close(29) = -1 EBADF (Bad file descriptor) [pid 23060] exit_group(0) = ? [pid 23061] <... futex resumed>) = ? [pid 23062] <... futex resumed>) = ? [pid 23062] +++ exited with 0 +++ [pid 23061] +++ exited with 0 +++ [pid 23060] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7822", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7822/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7822/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7822/cgroup.cpu") = 0 [pid 287] umount2("./7822/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7822/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7822/binderfs") = 0 [pid 287] umount2("./7822/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7822/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7822/cgroup") = 0 [pid 287] umount2("./7822/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7822/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7822/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7822") = 0 [pid 287] mkdir("./7823", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23063 attached [pid 23063] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23063] chdir("./7823") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22648 [pid 23063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23063] setpgid(0, 0) = 0 [pid 23063] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23063] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23063] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23063] write(3, "1000", 4) = 4 [pid 23063] close(3) = 0 [pid 23063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23063] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23063] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23063] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23064 attached [pid 23064] set_robust_list(0x7f3b956fb9a0, 24 [pid 23063] <... clone3 resumed> => {parent_tid=[22649]}, 88) = 22649 [pid 23064] <... set_robust_list resumed>) = 0 [pid 23063] rt_sigprocmask(SIG_SETMASK, [], [pid 23064] rt_sigprocmask(SIG_SETMASK, [], [pid 23063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23063] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23063] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23064] <... bpf resumed>) = 3 [pid 23064] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23063] <... futex resumed>) = 0 [pid 23064] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23063] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23063] <... futex resumed>) = 0 [pid 23064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23063] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23064] <... bpf resumed>) = 4 [pid 23064] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23063] <... futex resumed>) = 0 [pid 23064] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23063] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23063] <... futex resumed>) = 0 [pid 23064] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23063] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23064] <... bpf resumed>) = 0 [pid 23063] <... futex resumed>) = 0 [pid 23064] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23064] <... futex resumed>) = 0 [pid 23063] <... mmap resumed>) = 0x7f3b956ba000 [pid 23064] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23063] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23065 attached => {parent_tid=[22650]}, 88) = 22650 [pid 23065] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23065] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23063] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23065] <... futex resumed>) = 0 [pid 23063] <... futex resumed>) = 1 [pid 23065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23063] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23065] <... bpf resumed>) = 5 [pid 23065] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23063] <... futex resumed>) = 0 [pid 23065] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23063] close(3) = 0 [pid 23063] close(4) = 0 [pid 23063] close(5) = 0 [pid 23063] close(6) = -1 EBADF (Bad file descriptor) [pid 23063] close(7) = -1 EBADF (Bad file descriptor) [pid 23063] close(8) = -1 EBADF (Bad file descriptor) [pid 23063] close(9) = -1 EBADF (Bad file descriptor) [pid 23063] close(10) = -1 EBADF (Bad file descriptor) [pid 23063] close(11) = -1 EBADF (Bad file descriptor) [pid 23063] close(12) = -1 EBADF (Bad file descriptor) [pid 23063] close(13) = -1 EBADF (Bad file descriptor) [pid 23063] close(14) = -1 EBADF (Bad file descriptor) [pid 23063] close(15) = -1 EBADF (Bad file descriptor) [pid 23063] close(16) = -1 EBADF (Bad file descriptor) [pid 23063] close(17) = -1 EBADF (Bad file descriptor) [pid 23063] close(18) = -1 EBADF (Bad file descriptor) [pid 23063] close(19) = -1 EBADF (Bad file descriptor) [pid 23063] close(20) = -1 EBADF (Bad file descriptor) [pid 23063] close(21) = -1 EBADF (Bad file descriptor) [pid 23063] close(22) = -1 EBADF (Bad file descriptor) [pid 23063] close(23) = -1 EBADF (Bad file descriptor) [pid 23063] close(24) = -1 EBADF (Bad file descriptor) [pid 23063] close(25) = -1 EBADF (Bad file descriptor) [pid 23063] close(26) = -1 EBADF (Bad file descriptor) [pid 23063] close(27) = -1 EBADF (Bad file descriptor) [pid 23063] close(28) = -1 EBADF (Bad file descriptor) [pid 23063] close(29) = -1 EBADF (Bad file descriptor) [pid 23063] exit_group(0 [pid 23064] <... futex resumed>) = ? [pid 23063] <... exit_group resumed>) = ? [pid 23065] <... futex resumed>) = ? [pid 23064] +++ exited with 0 +++ [pid 23065] +++ exited with 0 +++ [pid 23063] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7823", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7823/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7823/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7823/cgroup.cpu") = 0 [pid 287] umount2("./7823/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7823/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7823/binderfs") = 0 [pid 287] umount2("./7823/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7823/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7823/cgroup") = 0 [pid 287] umount2("./7823/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7823/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7823/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7823") = 0 [pid 287] mkdir("./7824", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23066 attached [pid 23066] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23066] chdir("./7824") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22651 [pid 23066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23066] setpgid(0, 0) = 0 [pid 23066] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23066] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23066] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23066] write(3, "1000", 4) = 4 [pid 23066] close(3) = 0 [pid 23066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23066] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23066] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23066] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23067 attached => {parent_tid=[22652]}, 88) = 22652 [pid 23067] set_robust_list(0x7f3b956fb9a0, 24 [pid 23066] rt_sigprocmask(SIG_SETMASK, [], [pid 23067] <... set_robust_list resumed>) = 0 [pid 23066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23067] rt_sigprocmask(SIG_SETMASK, [], [pid 23066] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23066] <... futex resumed>) = 0 [pid 23066] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23067] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23066] <... futex resumed>) = 0 [pid 23067] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23066] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23066] <... futex resumed>) = 0 [pid 23067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23066] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23067] <... bpf resumed>) = 4 [pid 23067] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23066] <... futex resumed>) = 0 [pid 23067] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23066] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23066] <... futex resumed>) = 0 [pid 23067] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23066] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23067] <... bpf resumed>) = 0 [pid 23066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23067] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23066] <... mmap resumed>) = 0x7f3b956ba000 [pid 23067] <... futex resumed>) = 0 [pid 23066] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE [pid 23067] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23066] <... mprotect resumed>) = 0 [pid 23066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23068 attached => {parent_tid=[22653]}, 88) = 22653 [pid 23068] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23066] rt_sigprocmask(SIG_SETMASK, [], [pid 23068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23068] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23066] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23068] <... futex resumed>) = 0 [pid 23068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23066] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23068] <... bpf resumed>) = 5 [pid 23068] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23066] <... futex resumed>) = 0 [pid 23068] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23066] close(3) = 0 [pid 23066] close(4) = 0 [pid 23066] close(5) = 0 [pid 23066] close(6) = -1 EBADF (Bad file descriptor) [pid 23066] close(7) = -1 EBADF (Bad file descriptor) [pid 23066] close(8) = -1 EBADF (Bad file descriptor) [pid 23066] close(9) = -1 EBADF (Bad file descriptor) [pid 23066] close(10) = -1 EBADF (Bad file descriptor) [pid 23066] close(11) = -1 EBADF (Bad file descriptor) [pid 23066] close(12) = -1 EBADF (Bad file descriptor) [pid 23066] close(13) = -1 EBADF (Bad file descriptor) [pid 23066] close(14) = -1 EBADF (Bad file descriptor) [pid 23066] close(15) = -1 EBADF (Bad file descriptor) [pid 23066] close(16) = -1 EBADF (Bad file descriptor) [pid 23066] close(17) = -1 EBADF (Bad file descriptor) [pid 23066] close(18) = -1 EBADF (Bad file descriptor) [pid 23066] close(19) = -1 EBADF (Bad file descriptor) [pid 23066] close(20) = -1 EBADF (Bad file descriptor) [pid 23066] close(21) = -1 EBADF (Bad file descriptor) [pid 23066] close(22) = -1 EBADF (Bad file descriptor) [pid 23066] close(23) = -1 EBADF (Bad file descriptor) [pid 23066] close(24) = -1 EBADF (Bad file descriptor) [pid 23066] close(25) = -1 EBADF (Bad file descriptor) [pid 23066] close(26) = -1 EBADF (Bad file descriptor) [pid 23066] close(27) = -1 EBADF (Bad file descriptor) [pid 23066] close(28) = -1 EBADF (Bad file descriptor) [pid 23066] close(29) = -1 EBADF (Bad file descriptor) [pid 23066] exit_group(0 [pid 23067] <... futex resumed>) = ? [pid 23066] <... exit_group resumed>) = ? [pid 23068] <... futex resumed>) = ? [pid 23067] +++ exited with 0 +++ [pid 23068] +++ exited with 0 +++ [pid 23066] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22651, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7824", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7824/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7824/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7824/cgroup.cpu") = 0 [pid 287] umount2("./7824/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7824/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7824/binderfs") = 0 [pid 287] umount2("./7824/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7824/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7824/cgroup") = 0 [pid 287] umount2("./7824/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7824/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7824/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7824") = 0 [pid 287] mkdir("./7825", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22654 ./strace-static-x86_64: Process 23069 attached [pid 23069] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23069] chdir("./7825") = 0 [pid 23069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23069] setpgid(0, 0) = 0 [pid 23069] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23069] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23069] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23069] write(3, "1000", 4) = 4 [pid 23069] close(3) = 0 [pid 23069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23069] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23069] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23069] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23069] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23070 attached [pid 23070] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23069] <... clone3 resumed> => {parent_tid=[22655]}, 88) = 22655 [pid 23070] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23069] rt_sigprocmask(SIG_SETMASK, [], [pid 23070] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23069] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23070] <... futex resumed>) = 0 [pid 23069] <... futex resumed>) = 1 [pid 23070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23069] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23070] <... bpf resumed>) = 3 [pid 23070] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23069] <... futex resumed>) = 0 [pid 23070] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 23069] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23069] <... futex resumed>) = 0 [pid 23070] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23069] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23070] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23069] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23070] <... futex resumed>) = 0 [pid 23069] <... futex resumed>) = 1 [pid 23070] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23069] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23070] <... bpf resumed>) = 0 [pid 23069] <... futex resumed>) = 0 [pid 23070] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23070] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23069] <... mmap resumed>) = 0x7f3b956ba000 [pid 23069] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23069] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23071 attached [pid 23071] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23071] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23069] <... clone3 resumed> => {parent_tid=[22656]}, 88) = 22656 [pid 23069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23069] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23071] <... futex resumed>) = 0 [pid 23069] <... futex resumed>) = 1 [pid 23071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23069] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23071] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23071] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23069] close(3) = 0 [pid 23069] close(4) = 0 [pid 23069] close(5) = 0 [pid 23069] close(6) = -1 EBADF (Bad file descriptor) [pid 23069] close(7) = -1 EBADF (Bad file descriptor) [pid 23069] close(8) = -1 EBADF (Bad file descriptor) [pid 23069] close(9) = -1 EBADF (Bad file descriptor) [pid 23069] close(10) = -1 EBADF (Bad file descriptor) [pid 23069] close(11) = -1 EBADF (Bad file descriptor) [pid 23069] close(12) = -1 EBADF (Bad file descriptor) [pid 23069] close(13) = -1 EBADF (Bad file descriptor) [pid 23069] close(14) = -1 EBADF (Bad file descriptor) [pid 23069] close(15) = -1 EBADF (Bad file descriptor) [pid 23069] close(16) = -1 EBADF (Bad file descriptor) [pid 23069] close(17) = -1 EBADF (Bad file descriptor) [pid 23069] close(18) = -1 EBADF (Bad file descriptor) [pid 23069] close(19) = -1 EBADF (Bad file descriptor) [pid 23069] close(20) = -1 EBADF (Bad file descriptor) [pid 23069] close(21) = -1 EBADF (Bad file descriptor) [pid 23069] close(22) = -1 EBADF (Bad file descriptor) [pid 23069] close(23) = -1 EBADF (Bad file descriptor) [pid 23069] close(24) = -1 EBADF (Bad file descriptor) [pid 23069] close(25) = -1 EBADF (Bad file descriptor) [pid 23069] close(26) = -1 EBADF (Bad file descriptor) [pid 23069] close(27) = -1 EBADF (Bad file descriptor) [pid 23069] close(28) = -1 EBADF (Bad file descriptor) [pid 23069] close(29) = -1 EBADF (Bad file descriptor) [pid 23069] exit_group(0 [pid 23071] <... futex resumed>) = ? [pid 23070] <... futex resumed>) = ? [pid 23069] <... exit_group resumed>) = ? [pid 23071] +++ exited with 0 +++ [pid 23070] +++ exited with 0 +++ [pid 23069] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] umount2("./7825", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7825/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7825/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7825/cgroup.cpu") = 0 [pid 287] umount2("./7825/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7825/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7825/binderfs") = 0 [pid 287] umount2("./7825/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7825/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7825/cgroup") = 0 [pid 287] umount2("./7825/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7825/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7825/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7825") = 0 [pid 287] mkdir("./7826", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23072 attached , child_tidptr=0x555555ae1690) = 22657 [pid 23072] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23072] chdir("./7826") = 0 [pid 23072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23072] setpgid(0, 0) = 0 [pid 23072] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23072] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23072] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23072] write(3, "1000", 4) = 4 [pid 23072] close(3) = 0 [pid 23072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23072] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23072] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23072] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23073 attached [pid 23073] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23072] <... clone3 resumed> => {parent_tid=[22658]}, 88) = 22658 [pid 23073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23072] rt_sigprocmask(SIG_SETMASK, [], [pid 23073] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23072] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23073] <... futex resumed>) = 0 [pid 23072] <... futex resumed>) = 1 [pid 23073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 23072] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23073] <... bpf resumed>) = 3 [pid 23073] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23073] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23072] <... futex resumed>) = 0 [pid 23072] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23073] <... futex resumed>) = 0 [pid 23072] <... futex resumed>) = 1 [pid 23073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23072] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23073] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23073] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 23072] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23073] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 23072] <... futex resumed>) = 0 [pid 23073] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23072] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23073] <... futex resumed>) = 0 [pid 23072] <... futex resumed>) = 0 [pid 23073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23072] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23073] <... bpf resumed>) = 5 [pid 23073] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23072] <... futex resumed>) = 0 [pid 23073] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23072] close(3) = 0 [pid 23072] close(4) = 0 [pid 23072] close(5) = 0 [pid 23072] close(6) = -1 EBADF (Bad file descriptor) [pid 23072] close(7) = -1 EBADF (Bad file descriptor) [pid 23072] close(8) = -1 EBADF (Bad file descriptor) [pid 23072] close(9) = -1 EBADF (Bad file descriptor) [pid 23072] close(10) = -1 EBADF (Bad file descriptor) [pid 23072] close(11) = -1 EBADF (Bad file descriptor) [pid 23072] close(12) = -1 EBADF (Bad file descriptor) [pid 23072] close(13) = -1 EBADF (Bad file descriptor) [pid 23072] close(14) = -1 EBADF (Bad file descriptor) [pid 23072] close(15) = -1 EBADF (Bad file descriptor) [pid 23072] close(16) = -1 EBADF (Bad file descriptor) [pid 23072] close(17) = -1 EBADF (Bad file descriptor) [pid 23072] close(18) = -1 EBADF (Bad file descriptor) [pid 23072] close(19) = -1 EBADF (Bad file descriptor) [pid 23072] close(20) = -1 EBADF (Bad file descriptor) [pid 23072] close(21) = -1 EBADF (Bad file descriptor) [pid 23072] close(22) = -1 EBADF (Bad file descriptor) [pid 23072] close(23) = -1 EBADF (Bad file descriptor) [pid 23072] close(24) = -1 EBADF (Bad file descriptor) [pid 23072] close(25) = -1 EBADF (Bad file descriptor) [pid 23072] close(26) = -1 EBADF (Bad file descriptor) [pid 23072] close(27) = -1 EBADF (Bad file descriptor) [pid 23072] close(28) = -1 EBADF (Bad file descriptor) [pid 23072] close(29) = -1 EBADF (Bad file descriptor) [pid 23072] exit_group(0 [pid 23073] <... futex resumed>) = ? [pid 23072] <... exit_group resumed>) = ? [pid 23073] +++ exited with 0 +++ [pid 23072] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7826", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7826/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7826/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7826/cgroup.cpu") = 0 [pid 287] umount2("./7826/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7826/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7826/binderfs") = 0 [pid 287] umount2("./7826/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7826/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7826/cgroup") = 0 [pid 287] umount2("./7826/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7826/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7826/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7826") = 0 [pid 287] mkdir("./7827", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23074 attached [pid 23074] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23074] chdir("./7827") = 0 [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22659 [pid 23074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23074] setpgid(0, 0) = 0 [pid 23074] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23074] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23074] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23074] write(3, "1000", 4) = 4 [pid 23074] close(3) = 0 [pid 23074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23074] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23074] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23074] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23075 attached => {parent_tid=[22660]}, 88) = 22660 [pid 23075] set_robust_list(0x7f3b956fb9a0, 24 [pid 23074] rt_sigprocmask(SIG_SETMASK, [], [pid 23075] <... set_robust_list resumed>) = 0 [pid 23074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23075] rt_sigprocmask(SIG_SETMASK, [], [pid 23074] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23074] <... futex resumed>) = 0 [pid 23074] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23075] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23074] <... futex resumed>) = 0 [pid 23074] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23074] <... futex resumed>) = 0 [pid 23074] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23075] <... bpf resumed>) = 4 [pid 23075] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23074] <... futex resumed>) = 0 [pid 23075] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23074] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23074] <... futex resumed>) = 0 [pid 23075] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23074] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23075] <... bpf resumed>) = 0 [pid 23074] <... futex resumed>) = 0 [pid 23075] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 23075] <... futex resumed>) = 0 [pid 23074] <... mmap resumed>) = 0x7f3b956ba000 [pid 23075] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23074] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23076 attached [pid 23076] set_robust_list(0x7f3b956da9a0, 24 [pid 23074] <... clone3 resumed> => {parent_tid=[22661]}, 88) = 22661 [pid 23076] <... set_robust_list resumed>) = 0 [pid 23076] rt_sigprocmask(SIG_SETMASK, [], [pid 23074] rt_sigprocmask(SIG_SETMASK, [], [pid 23076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23074] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23074] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23076] <... bpf resumed>) = 5 [pid 23076] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23074] <... futex resumed>) = 0 [pid 23074] close(3 [pid 23076] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23074] <... close resumed>) = 0 [pid 23074] close(4) = 0 [pid 23074] close(5) = 0 [pid 23074] close(6) = -1 EBADF (Bad file descriptor) [pid 23074] close(7) = -1 EBADF (Bad file descriptor) [pid 23074] close(8) = -1 EBADF (Bad file descriptor) [pid 23074] close(9) = -1 EBADF (Bad file descriptor) [pid 23074] close(10) = -1 EBADF (Bad file descriptor) [pid 23074] close(11) = -1 EBADF (Bad file descriptor) [pid 23074] close(12) = -1 EBADF (Bad file descriptor) [pid 23074] close(13) = -1 EBADF (Bad file descriptor) [pid 23074] close(14) = -1 EBADF (Bad file descriptor) [pid 23074] close(15) = -1 EBADF (Bad file descriptor) [pid 23074] close(16) = -1 EBADF (Bad file descriptor) [pid 23074] close(17) = -1 EBADF (Bad file descriptor) [pid 23074] close(18) = -1 EBADF (Bad file descriptor) [pid 23074] close(19) = -1 EBADF (Bad file descriptor) [pid 23074] close(20) = -1 EBADF (Bad file descriptor) [pid 23074] close(21) = -1 EBADF (Bad file descriptor) [pid 23074] close(22) = -1 EBADF (Bad file descriptor) [pid 23074] close(23) = -1 EBADF (Bad file descriptor) [pid 23074] close(24) = -1 EBADF (Bad file descriptor) [pid 23074] close(25) = -1 EBADF (Bad file descriptor) [pid 23074] close(26) = -1 EBADF (Bad file descriptor) [pid 23074] close(27) = -1 EBADF (Bad file descriptor) [pid 23074] close(28) = -1 EBADF (Bad file descriptor) [pid 23074] close(29) = -1 EBADF (Bad file descriptor) [pid 23074] exit_group(0 [pid 23075] <... futex resumed>) = ? [pid 23075] +++ exited with 0 +++ [pid 23076] <... futex resumed>) = ? [pid 23074] <... exit_group resumed>) = ? [pid 23076] +++ exited with 0 +++ [pid 23074] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7827", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7827/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7827/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7827/cgroup.cpu") = 0 [pid 287] umount2("./7827/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7827/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7827/binderfs") = 0 [pid 287] umount2("./7827/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7827/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7827/cgroup") = 0 [pid 287] umount2("./7827/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7827/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7827/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7827") = 0 [pid 287] mkdir("./7828", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23077 attached , child_tidptr=0x555555ae1690) = 22662 [pid 23077] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23077] chdir("./7828") = 0 [pid 23077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23077] setpgid(0, 0) = 0 [pid 23077] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23077] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23077] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23077] write(3, "1000", 4) = 4 [pid 23077] close(3) = 0 [pid 23077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23077] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23077] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23077] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23078 attached [pid 23078] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23077] <... clone3 resumed> => {parent_tid=[22663]}, 88) = 22663 [pid 23077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23077] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23078] <... futex resumed>) = 0 [pid 23077] <... futex resumed>) = 1 [pid 23078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23077] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23078] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 23077] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23077] <... futex resumed>) = 0 [pid 23078] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23077] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23078] <... futex resumed>) = 0 [pid 23078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23077] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23078] <... futex resumed>) = 0 [pid 23077] <... futex resumed>) = 1 [pid 23078] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 23078] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23077] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23077] <... futex resumed>) = 0 [pid 23078] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23077] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23078] <... futex resumed>) = 0 [pid 23077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23078] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23077] close(3) = 0 [pid 23077] close(4) = 0 [pid 23077] close(5) = 0 [pid 23077] close(6) = -1 EBADF (Bad file descriptor) [pid 23077] close(7) = -1 EBADF (Bad file descriptor) [pid 23077] close(8) = -1 EBADF (Bad file descriptor) [pid 23077] close(9) = -1 EBADF (Bad file descriptor) [pid 23077] close(10) = -1 EBADF (Bad file descriptor) [pid 23077] close(11) = -1 EBADF (Bad file descriptor) [pid 23077] close(12) = -1 EBADF (Bad file descriptor) [pid 23077] close(13) = -1 EBADF (Bad file descriptor) [pid 23077] close(14) = -1 EBADF (Bad file descriptor) [pid 23077] close(15) = -1 EBADF (Bad file descriptor) [pid 23077] close(16) = -1 EBADF (Bad file descriptor) [pid 23077] close(17) = -1 EBADF (Bad file descriptor) [pid 23077] close(18) = -1 EBADF (Bad file descriptor) [pid 23077] close(19) = -1 EBADF (Bad file descriptor) [pid 23077] close(20) = -1 EBADF (Bad file descriptor) [pid 23077] close(21) = -1 EBADF (Bad file descriptor) [pid 23077] close(22) = -1 EBADF (Bad file descriptor) [pid 23077] close(23) = -1 EBADF (Bad file descriptor) [pid 23077] close(24) = -1 EBADF (Bad file descriptor) [pid 23077] close(25) = -1 EBADF (Bad file descriptor) [pid 23077] close(26) = -1 EBADF (Bad file descriptor) [pid 23077] close(27) = -1 EBADF (Bad file descriptor) [pid 23077] close(28) = -1 EBADF (Bad file descriptor) [pid 23077] close(29) = -1 EBADF (Bad file descriptor) [pid 23077] exit_group(0 [pid 23078] <... futex resumed>) = ? [pid 23077] <... exit_group resumed>) = ? [pid 23078] +++ exited with 0 +++ [pid 23077] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7828", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7828/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7828/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7828/cgroup.cpu") = 0 [pid 287] umount2("./7828/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7828/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7828/binderfs") = 0 [pid 287] umount2("./7828/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7828/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7828/cgroup") = 0 [pid 287] umount2("./7828/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7828/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7828/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7828") = 0 [pid 287] mkdir("./7829", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23079 attached [pid 23079] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23079] chdir("./7829" [pid 287] <... clone resumed>, child_tidptr=0x555555ae1690) = 22664 [pid 23079] <... chdir resumed>) = 0 [pid 23079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23079] setpgid(0, 0) = 0 [pid 23079] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23079] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23079] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23079] write(3, "1000", 4) = 4 [pid 23079] close(3) = 0 [pid 23079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23079] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23079] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23079] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0}./strace-static-x86_64: Process 23080 attached => {parent_tid=[22665]}, 88) = 22665 [pid 23079] rt_sigprocmask(SIG_SETMASK, [], [pid 23080] set_robust_list(0x7f3b956fb9a0, 24 [pid 23079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23079] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23080] <... set_robust_list resumed>) = 0 [pid 23079] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23080] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23079] <... futex resumed>) = 0 [pid 23079] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23079] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23080] <... futex resumed>) = 1 [pid 23080] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23080] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23079] <... futex resumed>) = 0 [pid 23079] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23080] <... futex resumed>) = 1 [pid 23079] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23079] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 23080] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28 [pid 23079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 23079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0}./strace-static-x86_64: Process 23081 attached [pid 23081] set_robust_list(0x7f3b956da9a0, 24 [pid 23079] <... clone3 resumed> => {parent_tid=[22666]}, 88) = 22666 [pid 23081] <... set_robust_list resumed>) = 0 [pid 23079] rt_sigprocmask(SIG_SETMASK, [], [pid 23081] rt_sigprocmask(SIG_SETMASK, [], [pid 23079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 23079] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160 [pid 23079] <... futex resumed>) = 0 [pid 23081] <... bpf resumed>) = 5 [pid 23080] <... bpf resumed>) = 0 [pid 23079] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23081] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23081] <... futex resumed>) = 0 [pid 23081] futex(0x7f3b957c63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23080] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23080] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23079] close(3) = 0 [pid 23079] close(4) = 0 [pid 23079] close(5) = 0 [pid 23079] close(6) = -1 EBADF (Bad file descriptor) [pid 23079] close(7) = -1 EBADF (Bad file descriptor) [pid 23079] close(8) = -1 EBADF (Bad file descriptor) [pid 23079] close(9) = -1 EBADF (Bad file descriptor) [pid 23079] close(10) = -1 EBADF (Bad file descriptor) [pid 23079] close(11) = -1 EBADF (Bad file descriptor) [pid 23079] close(12) = -1 EBADF (Bad file descriptor) [pid 23079] close(13) = -1 EBADF (Bad file descriptor) [pid 23079] close(14) = -1 EBADF (Bad file descriptor) [pid 23079] close(15) = -1 EBADF (Bad file descriptor) [pid 23079] close(16) = -1 EBADF (Bad file descriptor) [pid 23079] close(17) = -1 EBADF (Bad file descriptor) [pid 23079] close(18) = -1 EBADF (Bad file descriptor) [pid 23079] close(19) = -1 EBADF (Bad file descriptor) [pid 23079] close(20) = -1 EBADF (Bad file descriptor) [pid 23079] close(21) = -1 EBADF (Bad file descriptor) [pid 23079] close(22) = -1 EBADF (Bad file descriptor) [pid 23079] close(23) = -1 EBADF (Bad file descriptor) [pid 23079] close(24) = -1 EBADF (Bad file descriptor) [pid 23079] close(25) = -1 EBADF (Bad file descriptor) [pid 23079] close(26) = -1 EBADF (Bad file descriptor) [pid 23079] close(27) = -1 EBADF (Bad file descriptor) [pid 23079] close(28) = -1 EBADF (Bad file descriptor) [pid 23079] close(29) = -1 EBADF (Bad file descriptor) [pid 23079] exit_group(0 [pid 23080] <... futex resumed>) = ? [pid 23079] <... exit_group resumed>) = ? [pid 23080] +++ exited with 0 +++ [pid 23081] <... futex resumed>) = ? [pid 23081] +++ exited with 0 +++ [pid 23079] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7829", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7829/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7829/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7829/cgroup.cpu") = 0 [pid 287] umount2("./7829/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7829/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7829/binderfs") = 0 [pid 287] umount2("./7829/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7829/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7829/cgroup") = 0 [pid 287] umount2("./7829/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7829/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7829/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7829") = 0 [pid 287] mkdir("./7830", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22667 ./strace-static-x86_64: Process 23082 attached [pid 23082] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23082] chdir("./7830") = 0 [pid 23082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23082] setpgid(0, 0) = 0 [pid 23082] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23082] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23082] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23082] write(3, "1000", 4) = 4 [pid 23082] close(3) = 0 [pid 23082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23082] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23082] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23082] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23082] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22668]}, 88) = 22668 [pid 23082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23082] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23082] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 23083 attached [ 146.415804][ T25] ------------[ cut here ]------------ [ 146.421136][ T25] kernel BUG at kernel/bpf/arraymap.c:990! [ 146.427139][ T25] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 146.433025][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted 5.10.199-syzkaller-00307-gd30b996835c0 #0 [ 146.442651][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 146.452746][ T25] Workqueue: events prog_array_map_clear_deferred [ 146.458966][ T25] RIP: 0010:prog_array_map_poke_run+0x696/0x6b0 [ 146.465030][ T25] Code: 95 e8 ff 48 83 c4 70 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2d 95 e8 ff 0f 0b e9 de f9 ff ff e8 21 95 e8 ff 0f 0b e8 1a 95 e8 ff <0f> 0b e8 13 95 e8 ff 0f 0b e8 0c 95 e8 ff 0f 0b 66 2e 0f 1f 84 00 [ 146.484473][ T25] RSP: 0018:ffffc900001afb90 EFLAGS: 00010293 [ 146.490388][ T25] RAX: ffffffff81820e76 RBX: ffff888114949510 RCX: ffff888107d8bb40 [ 146.498198][ T25] RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea [ 146.506000][ T25] RBP: ffffc900001afc28 R08: ffffffff81820c01 R09: fffffbfff0cdd641 [ 146.513815][ T25] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888109716b80 [ 146.521631][ T25] R13: dffffc0000000000 R14: ffff888118b7b000 R15: 00000000fffffff0 [ 146.529434][ T25] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 146.538207][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 146.544621][ T25] CR2: 00007f3b95777a10 CR3: 000000010c0a8000 CR4: 00000000003506a0 [ 146.552433][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 146.560241][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 146.568049][ T25] Call Trace: [ 146.571188][ T25] ? __die_body+0x62/0xb0 [ 146.575461][ T25] ? die+0x88/0xb0 [ 146.579007][ T25] ? do_trap+0x1a4/0x310 [ 146.583097][ T25] ? prog_array_map_poke_run+0x696/0x6b0 [ 146.588537][ T25] ? handle_invalid_op+0x95/0xc0 [ 146.593313][ T25] ? prog_array_map_poke_run+0x696/0x6b0 [ 146.598785][ T25] ? exc_invalid_op+0x32/0x50 [ 146.603295][ T25] ? asm_exc_invalid_op+0x12/0x20 [ 146.608179][ T25] ? prog_array_map_poke_run+0x421/0x6b0 [ 146.613633][ T25] ? prog_array_map_poke_run+0x696/0x6b0 [ 146.619099][ T25] ? prog_array_map_poke_run+0x696/0x6b0 [ 146.624555][ T25] ? bpf_prog_22fedb13000eacf7+0xb/0xd5c [ 146.630034][ T25] fd_array_map_delete_elem+0x154/0x250 [ 146.635406][ T25] prog_array_map_clear_deferred+0xf8/0x210 [ 146.641134][ T25] ? __bpf_array_map_seq_show+0x8b0/0x8b0 [ 146.646687][ T25] ? __kasan_check_read+0x11/0x20 [ 146.651546][ T25] ? read_word_at_a_time+0x12/0x20 [ 146.656592][ T25] ? strscpy+0x9c/0x260 [ 146.660596][ T25] process_one_work+0x6dc/0xbd0 [pid 23083] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 23083] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23082] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 23083] <... futex resumed>) = 0 [pid 23082] <... futex resumed>) = 0 [pid 23083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 23082] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23083] <... bpf resumed>) = 4 [pid 23083] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23083] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 23082] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 23082] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23082] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23082] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22669]}, 88) = 22669 [pid 23082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23082] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23082] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 23084 attached [pid 23083] <... futex resumed>) = 0 [pid 23083] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 23083] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23083] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 23084] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 146.665260][ T25] worker_thread+0xaea/0x1510 [ 146.669795][ T25] kthread+0x34b/0x3d0 [ 146.673677][ T25] ? worker_clr_flags+0x180/0x180 [ 146.678541][ T25] ? kthread_blkcg+0xd0/0xd0 [ 146.683073][ T25] ret_from_fork+0x1f/0x30 [ 146.687309][ T25] Modules linked in: [ 146.692439][ T25] ---[ end trace 4f5109295c6a7c41 ]--- [ 146.697778][ T25] RIP: 0010:prog_array_map_poke_run+0x696/0x6b0 [pid 23084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23084] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23082] <... futex resumed>) = 0 [pid 23082] close(3) = 0 [pid 23082] close(4) = 0 [pid 23082] close(5) = 0 [pid 23082] close(6) = -1 EBADF (Bad file descriptor) [pid 23082] close(7) = -1 EBADF (Bad file descriptor) [pid 23082] close(8) = -1 EBADF (Bad file descriptor) [pid 23082] close(9) = -1 EBADF (Bad file descriptor) [pid 23082] close(10) = -1 EBADF (Bad file descriptor) [pid 23082] close(11) = -1 EBADF (Bad file descriptor) [pid 23082] close(12) = -1 EBADF (Bad file descriptor) [pid 23082] close(13) = -1 EBADF (Bad file descriptor) [pid 23082] close(14) = -1 EBADF (Bad file descriptor) [pid 23082] close(15) = -1 EBADF (Bad file descriptor) [pid 23082] close(16) = -1 EBADF (Bad file descriptor) [pid 23082] close(17) = -1 EBADF (Bad file descriptor) [pid 23082] close(18) = -1 EBADF (Bad file descriptor) [pid 23082] close(19) = -1 EBADF (Bad file descriptor) [pid 23082] close(20) = -1 EBADF (Bad file descriptor) [pid 23082] close(21) = -1 EBADF (Bad file descriptor) [pid 23082] close(22) = -1 EBADF (Bad file descriptor) [pid 23082] close(23) = -1 EBADF (Bad file descriptor) [pid 23082] close(24) = -1 EBADF (Bad file descriptor) [pid 23082] close(25) = -1 EBADF (Bad file descriptor) [pid 23082] close(26) = -1 EBADF (Bad file descriptor) [pid 23082] close(27) = -1 EBADF (Bad file descriptor) [pid 23082] close(28) = -1 EBADF (Bad file descriptor) [pid 23082] close(29) = -1 EBADF (Bad file descriptor) [pid 23082] exit_group(0) = ? [pid 23083] <... futex resumed>) = ? [pid 23083] +++ exited with 0 +++ [pid 23084] <... futex resumed>) = ? [pid 23084] +++ exited with 0 +++ [pid 23082] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22667, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7830", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7830/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7830/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 146.703806][ T25] Code: 95 e8 ff 48 83 c4 70 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2d 95 e8 ff 0f 0b e9 de f9 ff ff e8 21 95 e8 ff 0f 0b e8 1a 95 e8 ff <0f> 0b e8 13 95 e8 ff 0f 0b e8 0c 95 e8 ff 0f 0b 66 2e 0f 1f 84 00 [ 146.723556][ T25] RSP: 0018:ffffc900001afb90 EFLAGS: 00010293 [ 146.729624][ T25] RAX: ffffffff81820e76 RBX: ffff888114949510 RCX: ffff888107d8bb40 [ 146.737569][ T25] RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea [ 146.745533][ T25] RBP: ffffc900001afc28 R08: ffffffff81820c01 R09: fffffbfff0cdd641 [ 146.754336][ T25] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888109716b80 [pid 287] unlink("./7830/cgroup.cpu") = 0 [pid 287] umount2("./7830/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7830/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7830/binderfs") = 0 [pid 287] umount2("./7830/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7830/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7830/cgroup") = 0 [pid 287] umount2("./7830/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7830/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7830/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7830") = 0 [pid 287] mkdir("./7831", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22670 ./strace-static-x86_64: Process 23085 attached [pid 23085] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23085] chdir("./7831") = 0 [pid 23085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23085] setpgid(0, 0) = 0 [pid 23085] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23085] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23085] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23085] write(3, "1000", 4) = 4 [pid 23085] close(3) = 0 [pid 23085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23085] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23085] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23085] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22671]}, 88) = 22671 [pid 23085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23085] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23085] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 23086 attached [pid 23086] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23086] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23085] <... futex resumed>) = 0 [pid 23085] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23085] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23086] <... futex resumed>) = 1 [pid 23086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 23086] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23085] <... futex resumed>) = 0 [pid 23085] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23085] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956ba000 [pid 23085] mprotect(0x7f3b956bb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956da990, parent_tid=0x7f3b956da990, exit_signal=0, stack=0x7f3b956ba000, stack_size=0x20300, tls=0x7f3b956da6c0} => {parent_tid=[22672]}, 88) = 22672 [pid 23085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23085] futex(0x7f3b957c63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23085] futex(0x7f3b957c63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23086] <... futex resumed>) = 1 [pid 23086] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000800, value=0x20000840, flags=BPF_ANY}, 28) = 0 [pid 23086] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23086] futex(0x7f3b957c63e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 23087 attached [pid 23087] set_robust_list(0x7f3b956da9a0, 24) = 0 [pid 23087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=8, insns=0x20000940, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 160) = 5 [pid 23087] futex(0x7f3b957c63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 23085] <... futex resumed>) = 0 [pid 23085] close(3) = 0 [pid 23085] close(4) = 0 [pid 23085] close(5) = 0 [pid 23085] close(6) = -1 EBADF (Bad file descriptor) [pid 23085] close(7) = -1 EBADF (Bad file descriptor) [pid 23085] close(8) = -1 EBADF (Bad file descriptor) [pid 23085] close(9) = -1 EBADF (Bad file descriptor) [pid 23085] close(10) = -1 EBADF (Bad file descriptor) [pid 23085] close(11) = -1 EBADF (Bad file descriptor) [pid 23085] close(12) = -1 EBADF (Bad file descriptor) [pid 23085] close(13) = -1 EBADF (Bad file descriptor) [pid 23085] close(14) = -1 EBADF (Bad file descriptor) [pid 23085] close(15) = -1 EBADF (Bad file descriptor) [pid 23085] close(16) = -1 EBADF (Bad file descriptor) [pid 23085] close(17) = -1 EBADF (Bad file descriptor) [pid 23085] close(18) = -1 EBADF (Bad file descriptor) [pid 23085] close(19) = -1 EBADF (Bad file descriptor) [pid 23085] close(20) = -1 EBADF (Bad file descriptor) [pid 23085] close(21) = -1 EBADF (Bad file descriptor) [pid 23085] close(22) = -1 EBADF (Bad file descriptor) [pid 23085] close(23) = -1 EBADF (Bad file descriptor) [pid 23085] close(24) = -1 EBADF (Bad file descriptor) [pid 23085] close(25) = -1 EBADF (Bad file descriptor) [pid 23085] close(26) = -1 EBADF (Bad file descriptor) [pid 23085] close(27) = -1 EBADF (Bad file descriptor) [pid 23085] close(28) = -1 EBADF (Bad file descriptor) [pid 23085] close(29) = -1 EBADF (Bad file descriptor) [pid 23085] exit_group(0) = ? [pid 23086] <... futex resumed>) = ? [pid 23086] +++ exited with 0 +++ [pid 23087] <... futex resumed>) = ? [pid 23087] +++ exited with 0 +++ [pid 23085] +++ exited with 0 +++ [pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22670, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 287] umount2("./7831", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] openat(AT_FDCWD, "./7831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 6 entries */, 32768) = 176 [pid 287] umount2("./7831/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7831/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7831/cgroup.cpu") = 0 [pid 287] umount2("./7831/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7831/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7831/binderfs") = 0 [pid 287] umount2("./7831/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7831/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7831/cgroup") = 0 [pid 287] umount2("./7831/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 287] newfstatat(AT_FDCWD, "./7831/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 287] unlink("./7831/cgroup.net") = 0 [pid 287] getdents64(3, 0x555555ae2730 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [pid 287] rmdir("./7831") = 0 [pid 287] mkdir("./7832", 0777) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae1690) = 22673 ./strace-static-x86_64: Process 23088 attached [pid 23088] set_robust_list(0x555555ae16a0, 24) = 0 [pid 23088] chdir("./7832") = 0 [pid 23088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 23088] setpgid(0, 0) = 0 [pid 23088] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 23088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 23088] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 23088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 23088] write(3, "1000", 4) = 4 [pid 23088] close(3) = 0 [pid 23088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 23088] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23088] rt_sigaction(SIGRT_1, {sa_handler=0x7f3b95761ca0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3b95752e20}, NULL, 8) = 0 [pid 23088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 23088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3b956db000 [pid 23088] mprotect(0x7f3b956dc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 23088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 23088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3b956fb990, parent_tid=0x7f3b956fb990, exit_signal=0, stack=0x7f3b956db000, stack_size=0x20300, tls=0x7f3b956fb6c0} => {parent_tid=[22674]}, 88) = 22674 [pid 23088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23088] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23088] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 23089 attached [pid 23089] set_robust_list(0x7f3b956fb9a0, 24) = 0 [pid 23089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 23089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=3, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [pid 23089] futex(0x7f3b957c63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 23088] <... futex resumed>) = 0 [pid 23088] futex(0x7f3b957c63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 23088] futex(0x7f3b957c63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 23089] <... futex resumed>) = 1 [ 146.762725][ T25] R13: dffffc0000000000 R14: ffff888118b7b000 R15: 00000000fffffff0 [ 146.771199][ T25] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 146.780649][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 146.787808][ T25] CR2: 00007f3b95777a10 CR3: 0000000119f35000 CR4: 00000000003506a0 [ 146.795802][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 146.805012][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 146.813406][ T25] Kernel panic - not syncing: Fatal exception [ 146.819470][ T25] Kernel Offset: disabled [ 146.823605][ T25] Rebooting in 86400 seconds..