./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3554525862 <...> Warning: Permanently added '10.128.1.144' (ED25519) to the list of known hosts. execve("./syz-executor3554525862", ["./syz-executor3554525862"], 0x7ffdd8d71dd0 /* 10 vars */) = 0 brk(NULL) = 0x555555ab3000 brk(0x555555ab3d00) = 0x555555ab3d00 arch_prctl(ARCH_SET_FS, 0x555555ab3380) = 0 set_tid_address(0x555555ab3650) = 5072 set_robust_list(0x555555ab3660, 24) = 0 rseq(0x555555ab3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3554525862", 4096) = 28 getrandom("\x67\x52\x89\x67\x65\x56\x67\xda", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555ab3d00 brk(0x555555ad4d00) = 0x555555ad4d00 brk(0x555555ad5000) = 0x555555ad5000 mprotect(0x7f2cc636d000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ab3650) = 5073 ./strace-static-x86_64: Process 5073 attached [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] set_robust_list(0x555555ab3660, 24) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5072] <... clone resumed>, child_tidptr=0x555555ab3650) = 5074 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] set_robust_list(0x555555ab3660, 24) = 0 ./strace-static-x86_64: Process 5075 attached [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached [pid 5075] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5076 ./strace-static-x86_64: Process 5077 attached [pid 5072] <... clone resumed>, child_tidptr=0x555555ab3650) = 5075 [pid 5076] set_robust_list(0x555555ab3660, 24 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5077 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] set_robust_list(0x555555ab3660, 24 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5079 attached ./strace-static-x86_64: Process 5078 attached [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... prctl resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555555ab3650) = 5079 [pid 5079] set_robust_list(0x555555ab3660, 24 [pid 5078] set_robust_list(0x555555ab3660, 24 [pid 5077] <... prctl resumed>) = 0 [pid 5076] setpgid(0, 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5078 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... set_robust_list resumed>) = 0 [pid 5076] <... setpgid resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] setpgid(0, 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... setpgid resumed>) = 0 [pid 5078] <... prctl resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] setpgid(0, 0) = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 5078] write(3, "1000", 4 [pid 5077] write(3, "1000", 4 [pid 5078] <... write resumed>) = 4 [pid 5077] <... write resumed>) = 4 [pid 5078] close(3 [pid 5077] close(3 [pid 5078] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5081 attached ./strace-static-x86_64: Process 5080 attached [pid 5076] write(3, "1000", 4 [pid 5072] <... clone resumed>, child_tidptr=0x555555ab3650) = 5080 [pid 5081] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5081 [pid 5076] <... write resumed>) = 4 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] set_robust_list(0x555555ab3660, 24 [pid 5078] <... bpf resumed>) = 3 [pid 5077] <... bpf resumed>) = 3 [pid 5076] close(3 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... set_robust_list resumed>) = 0 [pid 5078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5076] <... close resumed>) = 0 [pid 5081] <... prctl resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5082 attached [pid 5081] setpgid(0, 0 [pid 5078] <... bpf resumed>) = 4 [pid 5077] <... bpf resumed>) = 4 [pid 5076] <... bpf resumed>) = 3 [pid 5082] set_robust_list(0x555555ab3660, 24 [pid 5076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] <... setpgid resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5082 [pid 5078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... bpf resumed>) = 5 [pid 5077] <... bpf resumed>) = 5 [pid 5082] <... prctl resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5076] <... bpf resumed>) = 4 [pid 5081] write(3, "1000", 4 [pid 5078] perf_event_open(NULL, 0, -1, -1, 0 [pid 5081] <... write resumed>) = 4 [pid 5078] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5082] setpgid(0, 0 [pid 5081] close(3 [pid 5078] exit_group(0 [pid 5077] perf_event_open(NULL, 0, -1, -1, 0 [pid 5076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5082] <... setpgid resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5078] <... exit_group resumed>) = ? [pid 5077] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5076] <... bpf resumed>) = 5 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5077] exit_group(0 [pid 5076] perf_event_open(NULL, 0, -1, -1, 0 [pid 5082] <... openat resumed>) = 3 [pid 5076] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5082] write(3, "1000", 4 [pid 5077] <... exit_group resumed>) = ? [pid 5076] exit_group(0 [pid 5082] <... write resumed>) = 4 [pid 5081] <... bpf resumed>) = 3 [pid 5078] +++ exited with 0 +++ [pid 5076] <... exit_group resumed>) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] close(3) = 0 ./strace-static-x86_64: Process 5083 attached [pid 5081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5083] set_robust_list(0x555555ab3660, 24 [pid 5082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5077] +++ exited with 0 +++ [pid 5081] <... bpf resumed>) = 4 [pid 5076] +++ exited with 0 +++ [pid 5083] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5083 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5083] setpgid(0, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... setpgid resumed>) = 0 [pid 5082] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5084 attached [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5083] <... openat resumed>) = 3 [pid 5083] write(3, "1000", 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5084 [pid 5083] <... write resumed>) = 4 [pid 5083] close(3) = 0 [pid 5083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5084] set_robust_list(0x555555ab3660, 24 [pid 5082] <... bpf resumed>) = 4 [pid 5081] <... bpf resumed>) = 5 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5085 attached [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5081] perf_event_open(NULL, 0, -1, -1, 0 [pid 5085] set_robust_list(0x555555ab3660, 24 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... bpf resumed>) = 5 [pid 5081] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5085] <... set_robust_list resumed>) = 0 [pid 5083] <... bpf resumed>) = 4 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] <... prctl resumed>) = 0 [pid 5083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5082] perf_event_open(NULL, 0, -1, -1, 0 [pid 5081] exit_group(0 [pid 5085] <... prctl resumed>) = 0 [pid 5084] setpgid(0, 0 [pid 5083] <... bpf resumed>) = 5 [pid 5082] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5081] <... exit_group resumed>) = ? [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5085 [pid 5085] setpgid(0, 0 [pid 5084] <... setpgid resumed>) = 0 [pid 5083] perf_event_open(NULL, 0, -1, -1, 0 [pid 5082] exit_group(0 [pid 5085] <... setpgid resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5082] <... exit_group resumed>) = ? [pid 5081] +++ exited with 0 +++ [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] exit_group(0 [pid 5085] <... openat resumed>) = 3 [pid 5083] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5084] <... openat resumed>) = 3 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5085] write(3, "1000", 4 [pid 5084] write(3, "1000", 4 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5085] <... write resumed>) = 4 [pid 5084] <... write resumed>) = 4 [pid 5082] +++ exited with 0 +++ [pid 5085] close(3 [pid 5084] close(3 [pid 5083] +++ exited with 0 +++ [pid 5085] <... close resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached [pid 5085] <... bpf resumed>) = 3 [pid 5084] <... bpf resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] set_robust_list(0x555555ab3660, 24 [pid 5084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5086 [pid 5085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5087 attached [pid 5087] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5087 [pid 5087] <... set_robust_list resumed>) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... bpf resumed>) = 4 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5087] <... prctl resumed>) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5084] <... bpf resumed>) = 4 [pid 5086] <... prctl resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] setpgid(0, 0) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] write(3, "1000", 4 [pid 5086] <... openat resumed>) = 3 [pid 5085] <... bpf resumed>) = 5 [pid 5084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] <... write resumed>) = 4 [pid 5087] close(3) = 0 [pid 5087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5088 attached [pid 5086] write(3, "1000", 4 [pid 5085] perf_event_open(NULL, 0, -1, -1, 0 [pid 5084] <... bpf resumed>) = 5 [pid 5086] <... write resumed>) = 4 [pid 5085] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5088] set_robust_list(0x555555ab3660, 24 [pid 5086] close(3 [pid 5085] exit_group(0 [pid 5084] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5088 [pid 5087] <... bpf resumed>) = 4 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5086] <... close resumed>) = 0 [pid 5085] <... exit_group resumed>) = ? [pid 5084] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] <... bpf resumed>) = 5 [pid 5086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5085] +++ exited with 0 +++ [pid 5084] exit_group(0 [pid 5088] <... prctl resumed>) = 0 [pid 5087] perf_event_open(NULL, 0, -1, -1, 0 [pid 5086] <... bpf resumed>) = 3 [pid 5084] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] setpgid(0, 0) = 0 [pid 5087] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5088] <... openat resumed>) = 3 [pid 5087] <... exit_group resumed>) = ? [pid 5086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5086] <... bpf resumed>) = 4 [pid 5088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5089 [pid 5089] set_robust_list(0x555555ab3660, 24 [pid 5086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... bpf resumed>) = 3 [pid 5086] <... bpf resumed>) = 5 [pid 5084] +++ exited with 0 +++ [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] perf_event_open(NULL, 0, -1, -1, 0 [pid 5089] <... prctl resumed>) = 0 [pid 5086] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5089] setpgid(0, 0 [pid 5086] exit_group(0 [pid 5089] <... setpgid resumed>) = 0 [pid 5086] <... exit_group resumed>) = ? [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... openat resumed>) = 3 [pid 5089] write(3, "1000", 4./strace-static-x86_64: Process 5090 attached ) = 4 [pid 5088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5090] set_robust_list(0x555555ab3660, 24 [pid 5089] close(3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5090 [pid 5089] <... close resumed>) = 0 [pid 5089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] <... bpf resumed>) = 3 [pid 5088] <... bpf resumed>) = 4 [pid 5087] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ [pid 5089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] <... prctl resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached [pid 5088] <... bpf resumed>) = 5 [pid 5091] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5092 attached ) = 0 [pid 5090] setpgid(0, 0 [pid 5089] <... bpf resumed>) = 4 [pid 5088] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5091 [pid 5092] set_robust_list(0x555555ab3660, 24 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... setpgid resumed>) = 0 [pid 5088] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... prctl resumed>) = 0 [pid 5089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] setpgid(0, 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... bpf resumed>) = 5 [pid 5088] exit_group(0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5092 [pid 5092] <... prctl resumed>) = 0 [pid 5091] <... setpgid resumed>) = 0 [pid 5089] perf_event_open(NULL, 0, -1, -1, 0 [pid 5088] <... exit_group resumed>) = ? [pid 5092] setpgid(0, 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5092] <... setpgid resumed>) = 0 [pid 5089] exit_group(0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] <... openat resumed>) = 3 [pid 5089] <... exit_group resumed>) = ? [pid 5092] <... openat resumed>) = 3 [pid 5089] +++ exited with 0 +++ [pid 5091] write(3, "1000", 4 [pid 5092] write(3, "1000", 4 [pid 5091] <... write resumed>) = 4 [pid 5092] <... write resumed>) = 4 [pid 5091] close(3 [pid 5090] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5092] close(3 [pid 5091] <... close resumed>) = 0 [pid 5092] <... close resumed>) = 0 [pid 5091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5091] <... bpf resumed>) = 3 [pid 5090] write(3, "1000", 4 [pid 5088] +++ exited with 0 +++ [pid 5092] <... bpf resumed>) = 3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached [pid 5092] <... bpf resumed>) = 4 [pid 5091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5090] <... write resumed>) = 4 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5093] set_robust_list(0x555555ab3660, 24 [pid 5092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5091] <... bpf resumed>) = 4 [pid 5090] close(3 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5090] <... close resumed>) = 0 [pid 5091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5093] <... prctl resumed>) = 0 [pid 5092] <... bpf resumed>) = 5 [pid 5091] <... bpf resumed>) = 5 [pid 5090] <... bpf resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5093 [pid 5093] setpgid(0, 0 [pid 5092] perf_event_open(NULL, 0, -1, -1, 0 [pid 5091] perf_event_open(NULL, 0, -1, -1, 0 [pid 5090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5094 attached [pid 5093] <... setpgid resumed>) = 0 [pid 5092] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5091] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5090] <... bpf resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5094 [pid 5092] exit_group(0 [pid 5091] exit_group(0 [pid 5094] set_robust_list(0x555555ab3660, 24 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] <... exit_group resumed>) = ? [pid 5091] <... exit_group resumed>) = ? [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5090] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5092] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5090] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] <... restart_syscall resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] write(3, "1000", 4 [pid 5090] exit_group(0 [pid 5094] <... prctl resumed>) = 0 [pid 5093] <... write resumed>) = 4 [pid 5094] setpgid(0, 0 [pid 5093] close(3 [pid 5090] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached [pid 5094] <... setpgid resumed>) = 0 [pid 5093] <... close resumed>) = 0 [pid 5095] set_robust_list(0x555555ab3660, 24 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... set_robust_list resumed>) = 0 [pid 5093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... openat resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5095 [pid 5095] <... prctl resumed>) = 0 [pid 5094] write(3, "1000", 4 [pid 5093] <... bpf resumed>) = 3 [pid 5095] setpgid(0, 0 [pid 5094] <... write resumed>) = 4 [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5095] <... setpgid resumed>) = 0 [pid 5094] close(3 [pid 5093] <... bpf resumed>) = 4 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] <... close resumed>) = 0 [pid 5093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5095] <... openat resumed>) = 3 [pid 5094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5095] write(3, "1000", 4) = 4 [pid 5094] <... bpf resumed>) = 3 [pid 5091] +++ exited with 0 +++ [pid 5095] close(3 [pid 5094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5095] <... close resumed>) = 0 [pid 5094] <... bpf resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5090] +++ exited with 0 +++ [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5096 attached [pid 5095] <... bpf resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] set_robust_list(0x555555ab3660, 24 [pid 5095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5097 attached [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5096 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5097 [pid 5097] set_robust_list(0x555555ab3660, 24 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... prctl resumed>) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] setpgid(0, 0 [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... setpgid resumed>) = 0 [pid 5097] setpgid(0, 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... bpf resumed>) = 5 [pid 5094] <... bpf resumed>) = 5 [pid 5093] <... bpf resumed>) = 5 [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5095] perf_event_open(NULL, 0, -1, -1, 0 [pid 5094] perf_event_open(NULL, 0, -1, -1, 0 [pid 5093] perf_event_open(NULL, 0, -1, -1, 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] write(3, "1000", 4 [pid 5095] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5094] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5093] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5097] <... openat resumed>) = 3 [pid 5096] <... write resumed>) = 4 [pid 5095] exit_group(0 [pid 5094] exit_group(0 [pid 5093] exit_group(0 [pid 5097] write(3, "1000", 4 [pid 5096] close(3 [pid 5095] <... exit_group resumed>) = ? [pid 5094] <... exit_group resumed>) = ? [pid 5093] <... exit_group resumed>) = ? [pid 5097] <... write resumed>) = 4 [pid 5096] <... close resumed>) = 0 [pid 5095] +++ exited with 0 +++ [pid 5094] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached [pid 5097] close(3 [pid 5096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5093] +++ exited with 0 +++ [pid 5097] <... close resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5098] set_robust_list(0x555555ab3660, 24 [pid 5096] <... bpf resumed>) = 3 [pid 5097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... set_robust_list resumed>) = 0 [pid 5096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5097] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5098 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... bpf resumed>) = 4 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached [pid 5098] <... prctl resumed>) = 0 [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5099] set_robust_list(0x555555ab3660, 24 [pid 5098] setpgid(0, 0 [pid 5097] <... bpf resumed>) = 4 [pid 5098] <... setpgid resumed>) = 0 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5096] <... bpf resumed>) = 5 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5096] perf_event_open(NULL, 0, -1, -1, 0 [pid 5099] <... prctl resumed>) = 0 [pid 5098] <... openat resumed>) = 3 [pid 5096] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5099 ./strace-static-x86_64: Process 5100 attached [pid 5099] setpgid(0, 0 [pid 5098] write(3, "1000", 4 [pid 5097] <... bpf resumed>) = 5 [pid 5096] exit_group(0 [pid 5100] set_robust_list(0x555555ab3660, 24 [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... write resumed>) = 4 [pid 5097] perf_event_open(NULL, 0, -1, -1, 0 [pid 5096] <... exit_group resumed>) = ? [pid 5100] <... set_robust_list resumed>) = 0 [pid 5098] close(3 [pid 5097] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... close resumed>) = 0 [pid 5097] exit_group(0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5100 [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5097] <... exit_group resumed>) = ? [pid 5100] setpgid(0, 0 [pid 5099] write(3, "1000", 4 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] <... write resumed>) = 4 [pid 5099] close(3) = 0 [pid 5098] <... bpf resumed>) = 3 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5100] <... openat resumed>) = 3 [pid 5099] <... bpf resumed>) = 3 [pid 5098] <... bpf resumed>) = 4 [pid 5100] write(3, "1000", 4 [pid 5099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5100] <... write resumed>) = 4 [pid 5100] close(3 [pid 5099] <... bpf resumed>) = 4 [pid 5096] +++ exited with 0 +++ [pid 5100] <... close resumed>) = 0 [pid 5099] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5097] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5100] <... bpf resumed>) = 3 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5101] set_robust_list(0x555555ab3660, 24 [pid 5100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5101 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5102 ./strace-static-x86_64: Process 5102 attached [pid 5101] <... prctl resumed>) = 0 [pid 5100] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5102] set_robust_list(0x555555ab3660, 24 [pid 5101] setpgid(0, 0 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... prctl resumed>) = 0 [pid 5101] <... openat resumed>) = 3 [pid 5102] setpgid(0, 0 [pid 5101] write(3, "1000", 4 [pid 5102] <... setpgid resumed>) = 0 [pid 5101] <... write resumed>) = 4 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] close(3 [pid 5100] <... bpf resumed>) = 5 [pid 5099] <... bpf resumed>) = 5 [pid 5098] <... bpf resumed>) = 5 [pid 5102] <... openat resumed>) = 3 [pid 5101] <... close resumed>) = 0 [pid 5100] perf_event_open(NULL, 0, -1, -1, 0 [pid 5099] perf_event_open(NULL, 0, -1, -1, 0 [pid 5098] perf_event_open(NULL, 0, -1, -1, 0 [pid 5102] write(3, "1000", 4 [pid 5101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5100] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5099] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5098] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5102] <... write resumed>) = 4 [pid 5100] exit_group(0 [pid 5099] exit_group(0 [pid 5098] exit_group(0 [pid 5102] close(3 [pid 5101] <... bpf resumed>) = 3 [pid 5100] <... exit_group resumed>) = ? [pid 5099] <... exit_group resumed>) = ? [pid 5098] <... exit_group resumed>) = ? [pid 5102] <... close resumed>) = 0 [pid 5099] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] +++ exited with 0 +++ [pid 5101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5098] +++ exited with 0 +++ [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5101] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... bpf resumed>) = 3 [pid 5101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5103 attached [pid 5102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5103] set_robust_list(0x555555ab3660, 24 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] <... bpf resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5104 attached ) = 0 [pid 5102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5103] setpgid(0, 0 [pid 5104] set_robust_list(0x555555ab3660, 24 [pid 5103] <... setpgid resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5104 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5103 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0 [pid 5103] <... openat resumed>) = 3 [pid 5102] <... bpf resumed>) = 5 [pid 5101] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5105 attached [pid 5104] <... setpgid resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5105 [pid 5105] set_robust_list(0x555555ab3660, 24 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5103] write(3, "1000", 4 [pid 5102] perf_event_open(NULL, 0, -1, -1, 0 [pid 5101] perf_event_open(NULL, 0, -1, -1, 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5104] <... openat resumed>) = 3 [pid 5103] <... write resumed>) = 4 [pid 5102] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5101] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] write(3, "1000", 4 [pid 5103] close(3 [pid 5102] exit_group(0 [pid 5105] <... prctl resumed>) = 0 [pid 5104] <... write resumed>) = 4 [pid 5103] <... close resumed>) = 0 [pid 5101] exit_group(0 [pid 5105] setpgid(0, 0 [pid 5104] close(3 [pid 5103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5102] <... exit_group resumed>) = ? [pid 5101] <... exit_group resumed>) = ? [pid 5105] <... setpgid resumed>) = 0 [pid 5104] <... close resumed>) = 0 [pid 5103] <... bpf resumed>) = 3 [pid 5102] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5105] <... openat resumed>) = 3 [pid 5104] <... bpf resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] write(3, "1000", 4 [pid 5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5103] <... bpf resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5106 attached [pid 5105] <... write resumed>) = 4 [pid 5104] <... bpf resumed>) = 4 [pid 5103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5106] set_robust_list(0x555555ab3660, 24 [pid 5105] close(3 [pid 5104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] <... close resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5106] <... prctl resumed>) = 0 [pid 5103] <... bpf resumed>) = 5 [pid 5106] setpgid(0, 0 [pid 5105] <... bpf resumed>) = 3 [pid 5104] <... bpf resumed>) = 5 [pid 5103] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5106 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached [pid 5106] <... setpgid resumed>) = 0 [pid 5104] perf_event_open(NULL, 0, -1, -1, 0 [pid 5103] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5107] set_robust_list(0x555555ab3660, 24 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... bpf resumed>) = 4 [pid 5104] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5103] exit_group(0 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5107 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] <... bpf resumed>) = 5 [pid 5104] exit_group(0 [pid 5103] <... exit_group resumed>) = ? [pid 5107] <... prctl resumed>) = 0 [pid 5106] <... openat resumed>) = 3 [pid 5105] perf_event_open(NULL, 0, -1, -1, 0 [pid 5104] <... exit_group resumed>) = ? [pid 5105] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5105] exit_group(0) = ? [pid 5103] +++ exited with 0 +++ [pid 5107] setpgid(0, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5107] <... setpgid resumed>) = 0 [pid 5106] write(3, "1000", 4 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] <... write resumed>) = 4 [pid 5107] <... openat resumed>) = 3 [pid 5106] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5107] write(3, "1000", 4 [pid 5106] <... close resumed>) = 0 [pid 5107] <... write resumed>) = 4 [pid 5106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5108 attached [pid 5107] close(3) = 0 [pid 5108] set_robust_list(0x555555ab3660, 24 [pid 5107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5106] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5108 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5108] <... prctl resumed>) = 0 [pid 5107] <... bpf resumed>) = 3 [pid 5105] +++ exited with 0 +++ [pid 5104] +++ exited with 0 +++ [pid 5108] setpgid(0, 0) = 0 [pid 5107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5106] <... bpf resumed>) = 4 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5108] <... openat resumed>) = 3 [pid 5107] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 ./strace-static-x86_64: Process 5109 attached ./strace-static-x86_64: Process 5110 attached [pid 5107] <... bpf resumed>) = 5 [pid 5106] <... bpf resumed>) = 5 [pid 5109] set_robust_list(0x555555ab3660, 24 [pid 5110] set_robust_list(0x555555ab3660, 24 [pid 5108] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5107] perf_event_open(NULL, 0, -1, -1, 0 [pid 5106] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5110 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5109 [pid 5107] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5106] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5109] <... set_robust_list resumed>) = 0 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5108] <... bpf resumed>) = 3 [pid 5107] exit_group(0 [pid 5106] exit_group(0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] <... exit_group resumed>) = ? [pid 5106] <... exit_group resumed>) = ? [pid 5109] <... prctl resumed>) = 0 [pid 5110] <... prctl resumed>) = 0 [pid 5109] setpgid(0, 0 [pid 5110] setpgid(0, 0 [pid 5109] <... setpgid resumed>) = 0 [pid 5110] <... setpgid resumed>) = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] +++ exited with 0 +++ [pid 5109] <... openat resumed>) = 3 [pid 5108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5106] +++ exited with 0 +++ [pid 5109] write(3, "1000", 4 [pid 5110] <... openat resumed>) = 3 [pid 5108] <... bpf resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5109] <... write resumed>) = 4 [pid 5109] close(3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached [pid 5109] <... close resumed>) = 0 [pid 5110] write(3, "1000", 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5110] <... write resumed>) = 4 [pid 5108] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] set_robust_list(0x555555ab3660, 24 [pid 5110] close(3./strace-static-x86_64: Process 5112 attached [pid 5111] <... set_robust_list resumed>) = 0 [pid 5109] <... bpf resumed>) = 3 [pid 5110] <... close resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5111 [pid 5112] set_robust_list(0x555555ab3660, 24 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] <... prctl resumed>) = 0 [pid 5109] <... bpf resumed>) = 4 [pid 5110] <... bpf resumed>) = 3 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] setpgid(0, 0 [pid 5109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5112] <... prctl resumed>) = 0 [pid 5111] <... setpgid resumed>) = 0 [pid 5112] setpgid(0, 0 [pid 5109] <... bpf resumed>) = 5 [pid 5108] <... bpf resumed>) = 5 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5112 [pid 5112] <... setpgid resumed>) = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] perf_event_open(NULL, 0, -1, -1, 0 [pid 5110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] <... openat resumed>) = 3 [pid 5109] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5110] <... bpf resumed>) = 4 [pid 5108] perf_event_open(NULL, 0, -1, -1, 0 [pid 5112] <... openat resumed>) = 3 [pid 5111] write(3, "1000", 4 [pid 5109] exit_group(0 [pid 5108] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5112] write(3, "1000", 4 [pid 5111] <... write resumed>) = 4 [pid 5109] <... exit_group resumed>) = ? [pid 5110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5108] exit_group(0 [pid 5112] <... write resumed>) = 4 [pid 5111] close(3 [pid 5110] <... bpf resumed>) = 5 [pid 5112] close(3 [pid 5111] <... close resumed>) = 0 [pid 5109] +++ exited with 0 +++ [pid 5110] perf_event_open(NULL, 0, -1, -1, 0 [pid 5108] <... exit_group resumed>) = ? [pid 5112] <... close resumed>) = 0 [pid 5110] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5110] exit_group(0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5110] <... exit_group resumed>) = ? [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5111] <... bpf resumed>) = 3 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5112] <... bpf resumed>) = 3 [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5108] +++ exited with 0 +++ [pid 5112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5112] <... bpf resumed>) = 4 [pid 5110] +++ exited with 0 +++ [pid 5074] <... restart_syscall resumed>) = 0 [pid 5112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5111] <... bpf resumed>) = 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5113 attached [pid 5113] set_robust_list(0x555555ab3660, 24) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] <... bpf resumed>) = 5 [pid 5111] <... bpf resumed>) = 5 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5113 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5113] setpgid(0, 0 [pid 5112] perf_event_open(NULL, 0, -1, -1, 0./strace-static-x86_64: Process 5114 attached [pid 5113] <... setpgid resumed>) = 0 [pid 5112] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5111] perf_event_open(NULL, 0, -1, -1, 0 [pid 5114] set_robust_list(0x555555ab3660, 24 [pid 5112] exit_group(0./strace-static-x86_64: Process 5115 attached [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... exit_group resumed>) = ? [pid 5111] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5114 [pid 5115] set_robust_list(0x555555ab3660, 24 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... openat resumed>) = 3 [pid 5111] exit_group(0 [pid 5114] <... prctl resumed>) = 0 [pid 5113] write(3, "1000", 4 [pid 5111] <... exit_group resumed>) = ? [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5115 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5113] <... write resumed>) = 4 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] <... setpgid resumed>) = 0 [pid 5113] close(3 [pid 5115] <... prctl resumed>) = 0 [pid 5113] <... close resumed>) = 0 [pid 5115] setpgid(0, 0 [pid 5113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5115] <... setpgid resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] <... openat resumed>) = 3 [pid 5113] <... bpf resumed>) = 3 [pid 5113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5115] <... openat resumed>) = 3 [pid 5114] write(3, "1000", 4 [pid 5112] +++ exited with 0 +++ [pid 5111] +++ exited with 0 +++ [pid 5115] write(3, "1000", 4 [pid 5114] <... write resumed>) = 4 [pid 5113] <... bpf resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5114] close(3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5114] <... close resumed>) = 0 [pid 5115] <... write resumed>) = 4 [pid 5114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5115] close(3 [pid 5113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5115] <... close resumed>) = 0 [pid 5115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5114] <... bpf resumed>) = 3 [pid 5113] <... bpf resumed>) = 5 [pid 5115] <... bpf resumed>) = 3 [pid 5114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5113] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached [pid 5115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5113] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5117 attached [pid 5116] set_robust_list(0x555555ab3660, 24 [pid 5115] <... bpf resumed>) = 4 [pid 5114] <... bpf resumed>) = 4 [pid 5113] exit_group(0 [pid 5117] set_robust_list(0x555555ab3660, 24 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5113] <... exit_group resumed>) = ? [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5117 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5116 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] <... bpf resumed>) = 5 [pid 5114] <... bpf resumed>) = 5 [pid 5113] +++ exited with 0 +++ [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5117] <... prctl resumed>) = 0 [pid 5116] <... prctl resumed>) = 0 [pid 5115] perf_event_open(NULL, 0, -1, -1, 0 [pid 5114] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5117] setpgid(0, 0 [pid 5116] setpgid(0, 0 [pid 5115] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5114] exit_group(0) = ? [pid 5117] <... setpgid resumed>) = 0 [pid 5116] <... setpgid resumed>) = 0 [pid 5115] exit_group(0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] <... exit_group resumed>) = ? [pid 5117] <... openat resumed>) = 3 [pid 5116] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached [pid 5116] write(3, "1000", 4 [pid 5118] set_robust_list(0x555555ab3660, 24 [pid 5117] write(3, "1000", 4 [pid 5116] <... write resumed>) = 4 [pid 5114] +++ exited with 0 +++ [pid 5117] <... write resumed>) = 4 [pid 5116] close(3 [pid 5115] +++ exited with 0 +++ [pid 5117] close(3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5118] <... set_robust_list resumed>) = 0 [pid 5116] <... close resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5118 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5117] <... close resumed>) = 0 [pid 5116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5118] <... prctl resumed>) = 0 [pid 5117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5118] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached [pid 5118] <... setpgid resumed>) = 0 [pid 5117] <... bpf resumed>) = 3 [pid 5116] <... bpf resumed>) = 3 [pid 5119] set_robust_list(0x555555ab3660, 24 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... openat resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5119 [pid 5118] write(3, "1000", 4./strace-static-x86_64: Process 5120 attached [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] <... write resumed>) = 4 [pid 5120] set_robust_list(0x555555ab3660, 24 [pid 5118] close(3 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5118] <... close resumed>) = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5117] <... bpf resumed>) = 4 [pid 5120] <... prctl resumed>) = 0 [pid 5119] <... prctl resumed>) = 0 [pid 5118] <... bpf resumed>) = 3 [pid 5116] <... bpf resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5120 [pid 5120] setpgid(0, 0 [pid 5119] setpgid(0, 0 [pid 5117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5119] <... setpgid resumed>) = 0 [pid 5120] <... setpgid resumed>) = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] <... openat resumed>) = 3 [pid 5117] <... bpf resumed>) = 5 [pid 5116] <... bpf resumed>) = 5 [pid 5120] <... openat resumed>) = 3 [pid 5119] write(3, "1000", 4 [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5117] perf_event_open(NULL, 0, -1, -1, 0 [pid 5116] perf_event_open(NULL, 0, -1, -1, 0 [pid 5120] write(3, "1000", 4 [pid 5119] <... write resumed>) = 4 [pid 5118] <... bpf resumed>) = 4 [pid 5117] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5116] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5120] <... write resumed>) = 4 [pid 5119] close(3 [pid 5116] exit_group(0 [pid 5120] close(3 [pid 5117] exit_group(0 [pid 5120] <... close resumed>) = 0 [pid 5119] <... close resumed>) = 0 [pid 5118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5116] <... exit_group resumed>) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5119] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5118] <... bpf resumed>) = 5 [pid 5120] <... bpf resumed>) = 3 [pid 5118] perf_event_open(NULL, 0, -1, -1, 0 [pid 5116] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5118] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] <... bpf resumed>) = 3 [pid 5118] exit_group(0 [pid 5119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5117] +++ exited with 0 +++ [pid 5120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5119] <... bpf resumed>) = 4 [pid 5118] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5121 attached [pid 5120] <... bpf resumed>) = 4 [pid 5119] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5121] set_robust_list(0x555555ab3660, 24 [pid 5118] +++ exited with 0 +++ [pid 5120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5121 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5121] <... prctl resumed>) = 0 [pid 5121] setpgid(0, 0 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5121] write(3, "1000", 4./strace-static-x86_64: Process 5122 attached [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5122] set_robust_list(0x555555ab3660, 24 [pid 5121] <... write resumed>) = 4 [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] close(3 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] <... close resumed>) = 0 [pid 5121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5123 attached [pid 5122] <... prctl resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5122 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5123 [pid 5123] set_robust_list(0x555555ab3660, 24 [pid 5122] setpgid(0, 0 [pid 5121] <... bpf resumed>) = 3 [pid 5119] <... bpf resumed>) = 5 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] <... setpgid resumed>) = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5120] <... bpf resumed>) = 5 [pid 5119] perf_event_open(NULL, 0, -1, -1, 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5119] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5123] <... prctl resumed>) = 0 [pid 5119] exit_group(0 [pid 5123] setpgid(0, 0 [pid 5120] exit_group(0 [pid 5123] <... setpgid resumed>) = 0 [pid 5119] <... exit_group resumed>) = ? [pid 5122] <... openat resumed>) = 3 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] <... exit_group resumed>) = ? [pid 5121] <... bpf resumed>) = 4 [pid 5121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5122] write(3, "1000", 4 [pid 5123] <... openat resumed>) = 3 [pid 5122] <... write resumed>) = 4 [pid 5121] <... bpf resumed>) = 5 [pid 5122] close(3 [pid 5121] perf_event_open(NULL, 0, -1, -1, 0 [pid 5122] <... close resumed>) = 0 [pid 5122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5123] write(3, "1000", 4 [pid 5121] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5123] <... write resumed>) = 4 [pid 5121] exit_group(0 [pid 5123] close(3) = 0 [pid 5123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5119] +++ exited with 0 +++ [pid 5121] <... exit_group resumed>) = ? [pid 5123] <... bpf resumed>) = 3 [pid 5122] <... bpf resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5121] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5122] <... bpf resumed>) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5123] <... bpf resumed>) = 4 [pid 5122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached [pid 5124] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5124 [pid 5124] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5125 attached [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] set_robust_list(0x555555ab3660, 24) = 0 [pid 5124] <... prctl resumed>) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5124] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5126 attached [pid 5125] <... prctl resumed>) = 0 [pid 5123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5122] <... bpf resumed>) = 5 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5125 [pid 5126] set_robust_list(0x555555ab3660, 24) = 0 [pid 5125] setpgid(0, 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] <... bpf resumed>) = 5 [pid 5122] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5126 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] <... setpgid resumed>) = 0 [pid 5124] <... openat resumed>) = 3 [pid 5123] perf_event_open(NULL, 0, -1, -1, 0 [pid 5122] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5126] <... prctl resumed>) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] write(3, "1000", 4 [pid 5123] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5122] exit_group(0 [pid 5126] setpgid(0, 0 [pid 5125] <... openat resumed>) = 3 [pid 5124] <... write resumed>) = 4 [pid 5123] exit_group(0 [pid 5122] <... exit_group resumed>) = ? [pid 5126] <... setpgid resumed>) = 0 [pid 5125] write(3, "1000", 4 [pid 5124] close(3 [pid 5123] <... exit_group resumed>) = ? [pid 5125] <... write resumed>) = 4 [pid 5124] <... close resumed>) = 0 [pid 5125] close(3 [pid 5124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5125] <... close resumed>) = 0 [pid 5124] <... bpf resumed>) = 3 [pid 5126] <... openat resumed>) = 3 [pid 5125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5126] write(3, "1000", 4 [pid 5124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5126] <... write resumed>) = 4 [pid 5125] <... bpf resumed>) = 3 [pid 5124] <... bpf resumed>) = 4 [pid 5126] close(3) = 0 [pid 5125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5122] +++ exited with 0 +++ [pid 5126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5123] +++ exited with 0 +++ [pid 5126] <... bpf resumed>) = 3 [pid 5125] <... bpf resumed>) = 4 [pid 5124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached ./strace-static-x86_64: Process 5128 attached [pid 5126] <... bpf resumed>) = 4 [pid 5127] set_robust_list(0x555555ab3660, 24) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5127 [pid 5128] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5128 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] <... prctl resumed>) = 0 [pid 5128] <... prctl resumed>) = 0 [pid 5127] setpgid(0, 0 [pid 5128] setpgid(0, 0 [pid 5127] <... setpgid resumed>) = 0 [pid 5126] <... bpf resumed>) = 5 [pid 5125] <... bpf resumed>) = 5 [pid 5124] <... bpf resumed>) = 5 [pid 5128] <... setpgid resumed>) = 0 [pid 5126] perf_event_open(NULL, 0, -1, -1, 0 [pid 5125] perf_event_open(NULL, 0, -1, -1, 0 [pid 5124] perf_event_open(NULL, 0, -1, -1, 0 [pid 5126] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5124] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5126] exit_group(0 [pid 5124] exit_group(0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] <... exit_group resumed>) = ? [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] <... openat resumed>) = 3 [pid 5126] <... exit_group resumed>) = ? [pid 5125] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5124] +++ exited with 0 +++ [pid 5128] <... openat resumed>) = 3 [pid 5127] write(3, "1000", 4 [pid 5126] +++ exited with 0 +++ [pid 5125] exit_group(0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5127] <... write resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5128] write(3, "1000", 4 [pid 5127] close(3 [pid 5125] <... exit_group resumed>) = ? [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5128] <... write resumed>) = 4 [pid 5127] <... close resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5128] close(3./strace-static-x86_64: Process 5129 attached [pid 5129] set_robust_list(0x555555ab3660, 24 [pid 5127] <... bpf resumed>) = 3 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] <... close resumed>) = 0 [pid 5127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5125] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5129] setpgid(0, 0 [pid 5128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5127] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5129] <... setpgid resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5129 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5128] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5130 attached [pid 5129] <... openat resumed>) = 3 [pid 5128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5127] <... bpf resumed>) = 5 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5130] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5130 [pid 5130] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5131 attached [pid 5129] write(3, "1000", 4 [pid 5128] <... bpf resumed>) = 4 [pid 5127] perf_event_open(NULL, 0, -1, -1, 0 [pid 5131] set_robust_list(0x555555ab3660, 24 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] <... write resumed>) = 4 [pid 5128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5127] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5131 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5130] <... prctl resumed>) = 0 [pid 5129] close(3 [pid 5128] <... bpf resumed>) = 5 [pid 5127] exit_group(0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] setpgid(0, 0 [pid 5129] <... close resumed>) = 0 [pid 5128] perf_event_open(NULL, 0, -1, -1, 0 [pid 5127] <... exit_group resumed>) = ? [pid 5131] <... prctl resumed>) = 0 [pid 5130] <... setpgid resumed>) = 0 [pid 5129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5128] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5131] setpgid(0, 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] <... bpf resumed>) = 3 [pid 5131] <... setpgid resumed>) = 0 [pid 5128] exit_group(0 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] <... openat resumed>) = 3 [pid 5128] <... exit_group resumed>) = ? [pid 5129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5130] write(3, "1000", 4 [pid 5129] <... bpf resumed>) = 4 [pid 5131] <... openat resumed>) = 3 [pid 5130] <... write resumed>) = 4 [pid 5130] close(3 [pid 5129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5131] write(3, "1000", 4 [pid 5130] <... close resumed>) = 0 [pid 5128] +++ exited with 0 +++ [pid 5127] +++ exited with 0 +++ [pid 5131] <... write resumed>) = 4 [pid 5130] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5131] close(3 [pid 5130] <... bpf resumed>) = 3 [pid 5131] <... close resumed>) = 0 [pid 5131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached [pid 5130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached [pid 5132] set_robust_list(0x555555ab3660, 24 [pid 5131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5130] <... bpf resumed>) = 4 [pid 5133] set_robust_list(0x555555ab3660, 24 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] <... bpf resumed>) = 4 [pid 5129] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5132 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] <... prctl resumed>) = 0 [pid 5129] perf_event_open(NULL, 0, -1, -1, 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] setpgid(0, 0 [pid 5131] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5130] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5129] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5133 [pid 5133] <... prctl resumed>) = 0 [pid 5132] <... setpgid resumed>) = 0 [pid 5131] <... bpf resumed>) = 5 [pid 5130] <... bpf resumed>) = 5 [pid 5129] exit_group(0 [pid 5133] setpgid(0, 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5131] perf_event_open(NULL, 0, -1, -1, 0 [pid 5130] perf_event_open(NULL, 0, -1, -1, 0 [pid 5129] <... exit_group resumed>) = ? [pid 5133] <... setpgid resumed>) = 0 [pid 5132] <... openat resumed>) = 3 [pid 5131] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5130] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5129] +++ exited with 0 +++ [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5132] write(3, "1000", 4 [pid 5131] exit_group(0 [pid 5130] exit_group(0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5131] <... exit_group resumed>) = ? [pid 5133] <... openat resumed>) = 3 [pid 5132] <... write resumed>) = 4 [pid 5130] <... exit_group resumed>) = ? [pid 5133] write(3, "1000", 4 [pid 5132] close(3 [pid 5133] <... write resumed>) = 4 [pid 5132] <... close resumed>) = 0 [pid 5133] close(3 [pid 5132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5133] <... close resumed>) = 0 [pid 5132] <... bpf resumed>) = 3 [pid 5133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5134 attached [pid 5133] <... bpf resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5134 [pid 5134] set_robust_list(0x555555ab3660, 24 [pid 5133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5134] <... set_robust_list resumed>) = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5133] <... bpf resumed>) = 4 [pid 5132] <... bpf resumed>) = 4 [pid 5131] +++ exited with 0 +++ [pid 5134] <... prctl resumed>) = 0 [pid 5134] setpgid(0, 0) = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5130] +++ exited with 0 +++ [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5134] <... openat resumed>) = 3 [pid 5134] write(3, "1000", 4) = 4 [pid 5134] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5134] <... close resumed>) = 0 [pid 5134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 ./strace-static-x86_64: Process 5135 attached ./strace-static-x86_64: Process 5136 attached [pid 5132] <... bpf resumed>) = 5 [pid 5136] set_robust_list(0x555555ab3660, 24 [pid 5134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5133] <... bpf resumed>) = 5 [pid 5135] set_robust_list(0x555555ab3660, 24 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5132] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5135 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5136 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5134] <... bpf resumed>) = 4 [pid 5133] perf_event_open(NULL, 0, -1, -1, 0 [pid 5132] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] <... prctl resumed>) = 0 [pid 5134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5133] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5132] exit_group(0 [pid 5135] <... prctl resumed>) = 0 [pid 5136] setpgid(0, 0 [pid 5134] <... bpf resumed>) = 5 [pid 5133] exit_group(0 [pid 5132] <... exit_group resumed>) = ? [pid 5135] setpgid(0, 0 [pid 5136] <... setpgid resumed>) = 0 [pid 5134] perf_event_open(NULL, 0, -1, -1, 0 [pid 5133] <... exit_group resumed>) = ? [pid 5132] +++ exited with 0 +++ [pid 5135] <... setpgid resumed>) = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] <... openat resumed>) = 3 [pid 5134] exit_group(0 [pid 5135] <... openat resumed>) = 3 [pid 5136] write(3, "1000", 4 [pid 5134] <... exit_group resumed>) = ? [pid 5135] write(3, "1000", 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5137 attached [pid 5136] <... write resumed>) = 4 [pid 5137] set_robust_list(0x555555ab3660, 24 [pid 5136] close(3 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5136] <... close resumed>) = 0 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5135] <... write resumed>) = 4 [pid 5136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5135] close(3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5137 [pid 5137] <... prctl resumed>) = 0 [pid 5135] <... close resumed>) = 0 [pid 5137] setpgid(0, 0 [pid 5135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5136] <... bpf resumed>) = 3 [pid 5137] <... setpgid resumed>) = 0 [pid 5135] <... bpf resumed>) = 3 [pid 5136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5136] <... bpf resumed>) = 4 [pid 5133] +++ exited with 0 +++ [pid 5137] <... openat resumed>) = 3 [pid 5137] write(3, "1000", 4 [pid 5135] <... bpf resumed>) = 4 [pid 5136] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5134] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5137] <... write resumed>) = 4 [pid 5137] close(3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5137] <... close resumed>) = 0 [pid 5137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5137] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5138 attached ) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5138] set_robust_list(0x555555ab3660, 24 [pid 5137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] setpgid(0, 0) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5138 ./strace-static-x86_64: Process 5139 attached [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] set_robust_list(0x555555ab3660, 24 [pid 5138] <... openat resumed>) = 3 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5138] write(3, "1000", 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5139 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5138] <... write resumed>) = 4 [pid 5137] <... bpf resumed>) = 5 [pid 5135] <... bpf resumed>) = 5 [pid 5136] <... bpf resumed>) = 5 [pid 5139] <... prctl resumed>) = 0 [pid 5138] close(3 [pid 5137] perf_event_open(NULL, 0, -1, -1, 0 [pid 5135] perf_event_open(NULL, 0, -1, -1, 0 [pid 5136] perf_event_open(NULL, 0, -1, -1, 0 [pid 5139] setpgid(0, 0 [pid 5138] <... close resumed>) = 0 [pid 5137] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5135] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5136] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5139] <... setpgid resumed>) = 0 [pid 5138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5137] exit_group(0 [pid 5135] exit_group(0 [pid 5136] exit_group(0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5135] <... exit_group resumed>) = ? [pid 5139] <... openat resumed>) = 3 [pid 5138] <... bpf resumed>) = 3 [pid 5137] <... exit_group resumed>) = ? [pid 5136] <... exit_group resumed>) = ? [pid 5135] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5139] write(3, "1000", 4 [pid 5138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5137] +++ exited with 0 +++ [pid 5136] +++ exited with 0 +++ [pid 5139] <... write resumed>) = 4 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5139] close(3) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5138] <... bpf resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5141 attached ./strace-static-x86_64: Process 5140 attached [pid 5139] <... bpf resumed>) = 4 [pid 5138] <... bpf resumed>) = 5 [pid 5138] perf_event_open(NULL, 0, -1, -1, 0 [pid 5141] set_robust_list(0x555555ab3660, 24 [pid 5140] set_robust_list(0x555555ab3660, 24 [pid 5139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5138] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] <... bpf resumed>) = 5 [pid 5138] exit_group(0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5139] perf_event_open(NULL, 0, -1, -1, 0 [pid 5138] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached [pid 5141] <... prctl resumed>) = 0 [pid 5140] <... prctl resumed>) = 0 [pid 5139] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5141 [pid 5140] setpgid(0, 0 [pid 5139] exit_group(0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5140 [pid 5142] set_robust_list(0x555555ab3660, 24) = 0 [pid 5141] setpgid(0, 0 [pid 5140] <... setpgid resumed>) = 0 [pid 5139] <... exit_group resumed>) = ? [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5142 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5141] <... setpgid resumed>) = 0 [pid 5142] <... prctl resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] <... openat resumed>) = 3 [pid 5142] setpgid(0, 0 [pid 5141] <... openat resumed>) = 3 [pid 5140] write(3, "1000", 4 [pid 5142] <... setpgid resumed>) = 0 [pid 5141] write(3, "1000", 4 [pid 5140] <... write resumed>) = 4 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5141] <... write resumed>) = 4 [pid 5140] close(3 [pid 5142] <... openat resumed>) = 3 [pid 5141] close(3 [pid 5140] <... close resumed>) = 0 [pid 5142] write(3, "1000", 4 [pid 5141] <... close resumed>) = 0 [pid 5140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5139] +++ exited with 0 +++ [pid 5138] +++ exited with 0 +++ [pid 5142] <... write resumed>) = 4 [pid 5141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5142] close(3 [pid 5140] <... bpf resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5142] <... close resumed>) = 0 [pid 5140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5141] <... bpf resumed>) = 3 [pid 5142] <... bpf resumed>) = 3 [pid 5141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5140] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5143 attached [pid 5141] <... bpf resumed>) = 4 [pid 5140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5143] set_robust_list(0x555555ab3660, 24) = 0 [pid 5142] <... bpf resumed>) = 4 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5143 [pid 5143] setpgid(0, 0) = 0 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5144 attached [pid 5144] set_robust_list(0x555555ab3660, 24 [pid 5140] <... bpf resumed>) = 5 [pid 5144] <... set_robust_list resumed>) = 0 [pid 5143] <... openat resumed>) = 3 [pid 5141] <... bpf resumed>) = 5 [pid 5140] perf_event_open(NULL, 0, -1, -1, 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5142] <... bpf resumed>) = 5 [pid 5143] write(3, "1000", 4 [pid 5140] exit_group(0 [pid 5144] <... prctl resumed>) = 0 [pid 5141] perf_event_open(NULL, 0, -1, -1, 0 [pid 5143] <... write resumed>) = 4 [pid 5142] perf_event_open(NULL, 0, -1, -1, 0 [pid 5140] <... exit_group resumed>) = ? [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5144 [pid 5144] setpgid(0, 0 [pid 5141] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5144] <... setpgid resumed>) = 0 [pid 5143] close(3 [pid 5142] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5140] +++ exited with 0 +++ [pid 5143] <... close resumed>) = 0 [pid 5141] exit_group(0 [pid 5143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5142] exit_group(0 [pid 5141] <... exit_group resumed>) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] <... exit_group resumed>) = ? [pid 5143] <... bpf resumed>) = 3 [pid 5144] <... openat resumed>) = 3 [pid 5142] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5144] write(3, "1000", 4 [pid 5143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5145 attached [pid 5144] <... write resumed>) = 4 [pid 5143] <... bpf resumed>) = 4 [pid 5145] set_robust_list(0x555555ab3660, 24 [pid 5144] close(3 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5144] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5146 attached [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5145 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5146] set_robust_list(0x555555ab3660, 24 [pid 5145] <... prctl resumed>) = 0 [pid 5143] <... bpf resumed>) = 5 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] setpgid(0, 0 [pid 5144] <... bpf resumed>) = 3 [pid 5143] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5146 [pid 5143] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5147 attached [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] <... setpgid resumed>) = 0 [pid 5144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5143] exit_group(0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5147 [pid 5146] <... prctl resumed>) = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] set_robust_list(0x555555ab3660, 24 [pid 5146] setpgid(0, 0 [pid 5145] <... openat resumed>) = 3 [pid 5143] <... exit_group resumed>) = ? [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] <... setpgid resumed>) = 0 [pid 5145] write(3, "1000", 4 [pid 5144] <... bpf resumed>) = 4 [pid 5143] +++ exited with 0 +++ [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] <... write resumed>) = 4 [pid 5144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5147] <... prctl resumed>) = 0 [pid 5146] <... openat resumed>) = 3 [pid 5145] close(3 [pid 5147] setpgid(0, 0 [pid 5146] write(3, "1000", 4 [pid 5145] <... close resumed>) = 0 [pid 5147] <... setpgid resumed>) = 0 [pid 5146] <... write resumed>) = 4 [pid 5145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] close(3 [pid 5147] <... openat resumed>) = 3 [pid 5146] <... close resumed>) = 0 [pid 5147] write(3, "1000", 4) = 4 [pid 5147] close(3 [pid 5146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5145] <... bpf resumed>) = 3 [pid 5147] <... close resumed>) = 0 [pid 5147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5146] <... bpf resumed>) = 3 [pid 5147] <... bpf resumed>) = 3 [pid 5146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5144] <... bpf resumed>) = 5 [pid 5147] <... bpf resumed>) = 4 [pid 5145] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5148 attached [pid 5147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5146] <... bpf resumed>) = 4 [pid 5145] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5144] perf_event_open(NULL, 0, -1, -1, 0 [pid 5148] set_robust_list(0x555555ab3660, 24 [pid 5147] <... bpf resumed>) = 5 [pid 5146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5145] <... bpf resumed>) = 5 [pid 5144] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5148 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5146] <... bpf resumed>) = 5 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5147] perf_event_open(NULL, 0, -1, -1, 0 [pid 5146] perf_event_open(NULL, 0, -1, -1, 0 [pid 5145] perf_event_open(NULL, 0, -1, -1, 0 [pid 5144] exit_group(0 [pid 5148] <... prctl resumed>) = 0 [pid 5147] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5146] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5145] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5144] <... exit_group resumed>) = ? [pid 5146] exit_group(0 [pid 5145] exit_group(0 [pid 5148] setpgid(0, 0 [pid 5147] exit_group(0 [pid 5146] <... exit_group resumed>) = ? [pid 5148] <... setpgid resumed>) = 0 [pid 5147] <... exit_group resumed>) = ? [ 73.748581][ T5147] [ 73.750964][ T5147] ============================================ [ 73.757109][ T5147] WARNING: possible recursive locking detected [ 73.763251][ T5147] 6.8.0-rc6-syzkaller-ga27e89673abf #0 Not tainted [ 73.769739][ T5147] -------------------------------------------- [ 73.775911][ T5147] syz-executor355/5147 is trying to acquire lock: [ 73.782361][ T5147] ffffc9000b44d0d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x211/0x4f0 [ 73.791968][ T5147] [ 73.791968][ T5147] but task is already holding lock: [ 73.799333][ T5147] ffffc9000b5550d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x211/0x4f0 [ 73.808922][ T5147] [ 73.808922][ T5147] other info that might help us debug this: [ 73.817090][ T5147] Possible unsafe locking scenario: [ 73.817090][ T5147] [ 73.824535][ T5147] CPU0 [ 73.827822][ T5147] ---- [ 73.831091][ T5147] lock(&rb->spinlock); [ 73.835459][ T5147] lock(&rb->spinlock); [ 73.839700][ T5147] [ 73.839700][ T5147] *** DEADLOCK *** [ 73.839700][ T5147] [ 73.847931][ T5147] May be due to missing lock nesting notation [ 73.847931][ T5147] [ 73.856253][ T5147] 4 locks held by syz-executor355/5147: [ 73.861813][ T5147] #0: ffffffff8e1d6a88 (delayed_uprobe_lock){+.+.}-{3:3}, at: uprobe_clear_state+0x54/0x290 [ 73.872010][ T5147] #1: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 73.881410][ T5147] #2: ffffc9000b5550d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x211/0x4f0 [ 73.891491][ T5147] #3: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 73.900915][ T5147] [ 73.900915][ T5147] stack backtrace: [ 73.906816][ T5147] CPU: 0 PID: 5147 Comm: syz-executor355 Not tainted 6.8.0-rc6-syzkaller-ga27e89673abf #0 [ 73.916710][ T5147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 73.926799][ T5147] Call Trace: [ 73.930080][ T5147] [ 73.933114][ T5147] dump_stack_lvl+0x1e7/0x2e0 [ 73.937833][ T5147] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.943053][ T5147] ? print_deadlock_bug+0x479/0x620 [ 73.948251][ T5147] ? _find_first_zero_bit+0xd4/0x100 [ 73.953540][ T5147] validate_chain+0x15c0/0x58e0 [ 73.958402][ T5147] ? __pfx_validate_chain+0x10/0x10 [ 73.963687][ T5147] ? is_bpf_text_address+0x26/0x2b0 [ 73.968885][ T5147] ? is_bpf_text_address+0x28d/0x2b0 [ 73.974166][ T5147] ? is_bpf_text_address+0x26/0x2b0 [ 73.979360][ T5147] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 73.985627][ T5147] ? kernel_text_address+0xa7/0xe0 [ 73.990754][ T5147] ? mark_lock+0x9a/0x350 [ 73.995102][ T5147] ? mark_lock+0x9a/0x350 [ 73.999444][ T5147] ? __lock_acquire+0x1345/0x1fd0 [ 74.004496][ T5147] ? mark_lock+0x9a/0x350 [ 74.008831][ T5147] __lock_acquire+0x1345/0x1fd0 [ 74.013794][ T5147] lock_acquire+0x1e3/0x530 [ 74.018541][ T5147] ? __bpf_ringbuf_reserve+0x211/0x4f0 [ 74.024034][ T5147] ? __pfx_lock_acquire+0x10/0x10 [ 74.029065][ T5147] ? mark_lock+0x9a/0x350 [ 74.033399][ T5147] ? __lock_acquire+0x1345/0x1fd0 [ 74.038448][ T5147] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.043827][ T5147] ? __bpf_ringbuf_reserve+0x211/0x4f0 [ 74.049290][ T5147] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 74.055279][ T5147] __bpf_ringbuf_reserve+0x211/0x4f0 [ 74.060570][ T5147] ? __pfx_lock_acquire+0x10/0x10 [ 74.065616][ T5147] ? __pfx___bpf_ringbuf_reserve+0x10/0x10 [ 74.071467][ T5147] ? __pfx___cant_migrate+0x10/0x10 [ 74.076702][ T5147] bpf_ringbuf_reserve+0x5c/0x70 [ 74.081648][ T5147] bpf_prog_9efe54833449f08e+0x2d/0x47 [ 74.087109][ T5147] bpf_trace_run2+0x204/0x420 [ 74.091807][ T5147] ? bpf_trace_run2+0x114/0x420 [ 74.096656][ T5147] ? __pfx_bpf_trace_run2+0x10/0x10 [ 74.101886][ T5147] ? mark_lock+0x9a/0x350 [ 74.106226][ T5147] ? __pfx___bpf_trace_contention_end+0x10/0x10 [ 74.112474][ T5147] __traceiter_contention_end+0x7b/0xb0 [ 74.118116][ T5147] trace_contention_end+0xf6/0x120 [ 74.123246][ T5147] __pv_queued_spin_lock_slowpath+0x939/0xc60 [ 74.129332][ T5147] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 74.135962][ T5147] ? __pfx_validate_chain+0x10/0x10 [ 74.141450][ T5147] queued_spin_lock_slowpath+0x42/0x50 [ 74.147021][ T5147] do_raw_spin_lock+0x271/0x370 [ 74.151901][ T5147] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 74.157292][ T5147] ? __lock_acquire+0x1345/0x1fd0 [ 74.162366][ T5147] _raw_spin_lock_irqsave+0xe1/0x120 [ 74.167669][ T5147] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 74.173839][ T5147] __bpf_ringbuf_reserve+0x211/0x4f0 [ 74.179145][ T5147] ? __pfx_lock_acquire+0x10/0x10 [ 74.184194][ T5147] ? __pfx___bpf_ringbuf_reserve+0x10/0x10 [ 74.190001][ T5147] ? __pfx___cant_migrate+0x10/0x10 [ 74.195199][ T5147] bpf_ringbuf_reserve+0x5c/0x70 [ 74.200169][ T5147] bpf_prog_9efe54833449f08e+0x2d/0x47 [ 74.205751][ T5147] bpf_trace_run2+0x204/0x420 [ 74.210469][ T5147] ? bpf_trace_run2+0x114/0x420 [ 74.215333][ T5147] ? __pfx_bpf_trace_run2+0x10/0x10 [ 74.220557][ T5147] ? __mutex_trylock_common+0x182/0x2e0 [ 74.226302][ T5147] ? __pfx___might_resched+0x10/0x10 [ 74.231590][ T5147] ? __pfx___bpf_trace_contention_end+0x10/0x10 [ 74.237844][ T5147] __traceiter_contention_end+0x7b/0xb0 [ 74.243422][ T5147] trace_contention_end+0xd7/0x100 [ 74.248538][ T5147] __mutex_lock+0x2e4/0xd70 [ 74.253045][ T5147] ? uprobe_clear_state+0x54/0x290 [ 74.258160][ T5147] ? __pfx___mutex_lock+0x10/0x10 [ 74.263272][ T5147] ? exit_mm+0x20f/0x310 [ 74.267510][ T5147] ? __pfx___might_resched+0x10/0x10 [ 74.272792][ T5147] ? __up_read+0x2c1/0x6b0 [ 74.277208][ T5147] uprobe_clear_state+0x54/0x290 [ 74.282230][ T5147] ? mm_update_next_owner+0x53b/0x660 [ 74.287601][ T5147] __mmput+0x5f/0x3c0 [ 74.291675][ T5147] exit_mm+0x21f/0x310 [ 74.295747][ T5147] ? __pfx_exit_mm+0x10/0x10 [ 74.300376][ T5147] ? taskstats_exit+0x439/0xa00 [ 74.305419][ T5147] ? tty_audit_exit+0x154/0x200 [ 74.310345][ T5147] do_exit+0x9af/0x2740 [ 74.314617][ T5147] ? __pfx_do_exit+0x10/0x10 [ 74.319223][ T5147] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 74.325213][ T5147] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 74.331567][ T5147] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.336810][ T5147] ? lockdep_hardirqs_on+0x98/0x140 [ 74.342010][ T5147] do_group_exit+0x206/0x2c0 [ 74.346605][ T5147] __x64_sys_exit_group+0x3f/0x40 [ 74.351629][ T5147] do_syscall_64+0xf9/0x240 [ 74.356220][ T5147] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 74.362113][ T5147] RIP: 0033:0x7f2cc62f7e79 [ 74.366528][ T5147] Code: Unable to access opcode bytes at 0x7f2cc62f7e4f. [ 74.373557][ T5147] RSP: 002b:00007ffede783178 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 74.381963][ T5147] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cc62f7e79 [ 74.389929][ T5147] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [pid 5146] +++ exited with 0 +++ [pid 5145] <... exit_group resumed>) = ? [pid 5144] +++ exited with 0 +++ [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5148] <... openat resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] write(3, "1000", 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5149 attached [pid 5148] <... write resumed>) = 4 [pid 5149] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5149 [pid 5147] +++ exited with 0 +++ [pid 5149] <... set_robust_list resumed>) = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] close(3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5149] <... prctl resumed>) = 0 [pid 5149] setpgid(0, 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5149] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5150 attached [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... close resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5150 [pid 5150] set_robust_list(0x555555ab3660, 24 [pid 5149] <... openat resumed>) = 3 [pid 5145] +++ exited with 0 +++ [pid 5148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5149] <... write resumed>) = 4 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5150] <... prctl resumed>) = 0 [pid 5149] close(3 [pid 5150] setpgid(0, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5149] <... close resumed>) = 0 ./strace-static-x86_64: Process 5152 attached ./strace-static-x86_64: Process 5151 attached [pid 5150] <... setpgid resumed>) = 0 [pid 5149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5148] <... bpf resumed>) = 3 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] set_robust_list(0x555555ab3660, 24 [pid 5151] set_robust_list(0x555555ab3660, 24 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5151] <... set_robust_list resumed>) = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] <... prctl resumed>) = 0 [pid 5151] <... prctl resumed>) = 0 [pid 5152] setpgid(0, 0 [pid 5151] setpgid(0, 0 [pid 5152] <... setpgid resumed>) = 0 [pid 5151] <... setpgid resumed>) = 0 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5152] <... openat resumed>) = 3 [pid 5151] write(3, "1000", 4) = 4 [ 74.397894][ T5147] RBP: 00007f2cc63732b0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 74.405857][ T5147] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007f2cc63732b0 [ 74.413905][ T5147] R13: 0000000000000000 R14: 00007f2cc6373d20 R15: 00007f2cc62c9010 [ 74.422103][ T5147] [pid 5151] close(3) = 0 [pid 5152] write(3, "1000", 4 [pid 5150] <... openat resumed>) = 3 [pid 5149] <... bpf resumed>) = 3 [pid 5148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5151 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5152 [pid 5152] <... write resumed>) = 4 [pid 5151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5150] write(3, "1000", 4 [pid 5149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5152] close(3 [pid 5151] <... bpf resumed>) = 3 [pid 5150] <... write resumed>) = 4 [pid 5149] <... bpf resumed>) = 4 [pid 5148] <... bpf resumed>) = 4 [pid 5152] <... close resumed>) = 0 [pid 5151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5150] close(3 [pid 5148] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5150] <... close resumed>) = 0 [pid 5151] <... bpf resumed>) = 4 [pid 5150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5148] <... bpf resumed>) = 5 [pid 5152] <... bpf resumed>) = 3 [pid 5151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5149] <... bpf resumed>) = 5 [pid 5148] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5148] exit_group(0 [pid 5151] perf_event_open(NULL, 0, -1, -1, 0 [pid 5148] <... exit_group resumed>) = ? [pid 5151] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5150] <... bpf resumed>) = 3 [pid 5149] perf_event_open(NULL, 0, -1, -1, 0 [pid 5152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5151] exit_group(0 [pid 5150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5149] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5152] <... bpf resumed>) = 4 [pid 5151] <... exit_group resumed>) = ? [pid 5150] <... bpf resumed>) = 4 [pid 5149] exit_group(0 [pid 5148] +++ exited with 0 +++ [pid 5152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5149] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5151] +++ exited with 0 +++ [pid 5150] <... bpf resumed>) = 5 [pid 5152] <... bpf resumed>) = 5 [pid 5152] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5153 attached [pid 5152] exit_group(0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5153 [pid 5150] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5153] set_robust_list(0x555555ab3660, 24 [pid 5152] <... exit_group resumed>) = ? [pid 5150] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5153] <... set_robust_list resumed>) = 0 [pid 5150] exit_group(0 [pid 5149] +++ exited with 0 +++ [pid 5150] <... exit_group resumed>) = ? [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5153] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5154 attached [pid 5153] setpgid(0, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5154 [pid 5152] +++ exited with 0 +++ [pid 5154] set_robust_list(0x555555ab3660, 24 [pid 5153] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5155 attached [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] <... openat resumed>) = 3 [pid 5150] +++ exited with 0 +++ [pid 5155] set_robust_list(0x555555ab3660, 24 [pid 5154] <... prctl resumed>) = 0 [pid 5153] write(3, "1000", 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5155] <... set_robust_list resumed>) = 0 [pid 5154] setpgid(0, 0 [pid 5153] <... write resumed>) = 4 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5155 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5154] <... setpgid resumed>) = 0 [pid 5153] close(3 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5156 attached [pid 5155] <... prctl resumed>) = 0 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5155] setpgid(0, 0 [pid 5154] <... openat resumed>) = 3 [pid 5156] set_robust_list(0x555555ab3660, 24 [pid 5155] <... setpgid resumed>) = 0 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5154] write(3, "1000", 4./strace-static-x86_64: Process 5157 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5156 [pid 5157] set_robust_list(0x555555ab3660, 24 [pid 5153] <... bpf resumed>) = 3 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5154] <... write resumed>) = 4 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] <... prctl resumed>) = 0 [pid 5155] <... openat resumed>) = 3 [pid 5154] close(3 [pid 5157] <... prctl resumed>) = 0 [pid 5154] <... close resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5157 [pid 5157] setpgid(0, 0 [pid 5156] setpgid(0, 0 [pid 5157] <... setpgid resumed>) = 0 [pid 5156] <... setpgid resumed>) = 0 [pid 5154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5155] write(3, "1000", 4 [pid 5153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5157] <... openat resumed>) = 3 [pid 5156] <... openat resumed>) = 3 [pid 5155] <... write resumed>) = 4 [pid 5157] write(3, "1000", 4) = 4 [pid 5157] close(3) = 0 [pid 5157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5153] <... bpf resumed>) = 4 [pid 5157] <... bpf resumed>) = 3 [pid 5156] write(3, "1000", 4 [pid 5155] close(3 [pid 5154] <... bpf resumed>) = 3 [pid 5153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5156] <... write resumed>) = 4 [pid 5155] <... close resumed>) = 0 [pid 5156] close(3 [pid 5155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5156] <... close resumed>) = 0 [pid 5154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5153] <... bpf resumed>) = 5 [pid 5157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5155] <... bpf resumed>) = 3 [pid 5154] <... bpf resumed>) = 4 [pid 5153] perf_event_open(NULL, 0, -1, -1, 0 [pid 5157] <... bpf resumed>) = 4 [pid 5155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5153] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5153] exit_group(0 [pid 5157] <... bpf resumed>) = 5 [pid 5154] <... bpf resumed>) = 5 [pid 5157] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5157] exit_group(0) = ? [pid 5156] <... bpf resumed>) = 3 [pid 5155] <... bpf resumed>) = 4 [pid 5154] perf_event_open(NULL, 0, -1, -1, 0 [pid 5153] <... exit_group resumed>) = ? [pid 5156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5154] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5153] +++ exited with 0 +++ [pid 5156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5154] exit_group(0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5154] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached [pid 5157] +++ exited with 0 +++ [pid 5156] <... bpf resumed>) = 5 [pid 5155] <... bpf resumed>) = 5 [pid 5154] +++ exited with 0 +++ [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5158 [pid 5158] set_robust_list(0x555555ab3660, 24 [pid 5155] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5158] <... set_robust_list resumed>) = 0 [pid 5156] perf_event_open(NULL, 0, -1, -1, 0 [pid 5155] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5155] exit_group(0 [pid 5158] <... prctl resumed>) = 0 [pid 5155] <... exit_group resumed>) = ? [pid 5156] exit_group(0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5159 attached [pid 5158] setpgid(0, 0 [pid 5156] <... exit_group resumed>) = ? [pid 5158] <... setpgid resumed>) = 0 [pid 5159] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5160 attached ) = 0 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] set_robust_list(0x555555ab3660, 24 [pid 5159] <... prctl resumed>) = 0 [pid 5158] <... openat resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5160 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] setpgid(0, 0 [pid 5158] write(3, "1000", 4 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] <... setpgid resumed>) = 0 [pid 5158] <... write resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5159 [pid 5160] <... prctl resumed>) = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5158] close(3 [pid 5160] setpgid(0, 0 [pid 5158] <... close resumed>) = 0 [pid 5160] <... setpgid resumed>) = 0 [pid 5158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] <... openat resumed>) = 3 [pid 5158] <... bpf resumed>) = 3 [pid 5159] write(3, "1000", 4 [pid 5160] <... openat resumed>) = 3 [pid 5159] <... write resumed>) = 4 [pid 5158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5160] write(3, "1000", 4 [pid 5159] close(3 [pid 5160] <... write resumed>) = 4 [pid 5159] <... close resumed>) = 0 [pid 5160] close(3) = 0 [pid 5159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5159] <... bpf resumed>) = 3 [pid 5158] <... bpf resumed>) = 4 [pid 5159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5158] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5159] <... bpf resumed>) = 4 [pid 5156] +++ exited with 0 +++ [pid 5155] +++ exited with 0 +++ [pid 5159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5160] <... bpf resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5161 attached ./strace-static-x86_64: Process 5162 attached [pid 5161] set_robust_list(0x555555ab3660, 24 [pid 5162] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5162 [pid 5161] <... set_robust_list resumed>) = 0 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5161] <... prctl resumed>) = 0 [pid 5162] <... prctl resumed>) = 0 [pid 5161] setpgid(0, 0 [pid 5162] setpgid(0, 0 [pid 5161] <... setpgid resumed>) = 0 [pid 5162] <... setpgid resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5161 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] <... openat resumed>) = 3 [pid 5161] <... openat resumed>) = 3 [pid 5162] write(3, "1000", 4 [pid 5161] write(3, "1000", 4 [pid 5162] <... write resumed>) = 4 [pid 5161] <... write resumed>) = 4 [pid 5162] close(3) = 0 [pid 5161] close(3 [pid 5160] <... bpf resumed>) = 5 [pid 5159] <... bpf resumed>) = 5 [pid 5158] <... bpf resumed>) = 5 [pid 5161] <... close resumed>) = 0 [pid 5159] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5160] perf_event_open(NULL, 0, -1, -1, 0 [pid 5158] perf_event_open(NULL, 0, -1, -1, 0 [pid 5159] exit_group(0 [pid 5162] <... bpf resumed>) = 3 [pid 5161] <... bpf resumed>) = 3 [pid 5160] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5159] <... exit_group resumed>) = ? [pid 5158] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5158] exit_group(0 [pid 5160] exit_group(0 [pid 5158] <... exit_group resumed>) = ? [pid 5159] +++ exited with 0 +++ [pid 5161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5160] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5161] <... bpf resumed>) = 4 [pid 5161] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5162] <... bpf resumed>) = 4 [pid 5162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5163 attached [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5163 [pid 5163] set_robust_list(0x555555ab3660, 24) = 0 [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5163] setpgid(0, 0) = 0 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5163] write(3, "1000", 4) = 4 [pid 5163] close(3) = 0 [pid 5163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5158] +++ exited with 0 +++ [pid 5163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5163] <... bpf resumed>) = 4 [pid 5160] +++ exited with 0 +++ [pid 5163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5164 attached [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5165 attached [pid 5164] set_robust_list(0x555555ab3660, 24) = 0 [pid 5165] set_robust_list(0x555555ab3660, 24 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5165] <... set_robust_list resumed>) = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... prctl resumed>) = 0 [pid 5165] <... prctl resumed>) = 0 [pid 5164] setpgid(0, 0 [pid 5165] setpgid(0, 0 [pid 5164] <... setpgid resumed>) = 0 [pid 5165] <... setpgid resumed>) = 0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5165 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5164 [pid 5164] <... openat resumed>) = 3 [pid 5165] <... openat resumed>) = 3 [pid 5165] write(3, "1000", 4 [pid 5164] write(3, "1000", 4 [pid 5165] <... write resumed>) = 4 [pid 5164] <... write resumed>) = 4 [pid 5165] close(3 [pid 5164] close(3 [pid 5165] <... close resumed>) = 0 [pid 5164] <... close resumed>) = 0 [pid 5165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5165] <... bpf resumed>) = 3 [pid 5164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5163] <... bpf resumed>) = 5 [pid 5162] <... bpf resumed>) = 5 [pid 5161] <... bpf resumed>) = 5 [pid 5164] <... bpf resumed>) = 4 [pid 5163] perf_event_open(NULL, 0, -1, -1, 0 [pid 5161] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5165] <... bpf resumed>) = 4 [pid 5162] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5163] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5161] exit_group(0 [pid 5163] exit_group(0 [pid 5161] <... exit_group resumed>) = ? [pid 5165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5162] exit_group(0 [pid 5163] <... exit_group resumed>) = ? [pid 5165] <... bpf resumed>) = 5 [pid 5164] <... bpf resumed>) = 5 [pid 5162] <... exit_group resumed>) = ? [pid 5163] +++ exited with 0 +++ [pid 5161] +++ exited with 0 +++ [pid 5165] perf_event_open(NULL, 0, -1, -1, 0 [pid 5164] perf_event_open(NULL, 0, -1, -1, 0 [pid 5165] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5164] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5165] exit_group(0 [pid 5164] exit_group(0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5165] <... exit_group resumed>) = ? [pid 5164] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5166 attached [pid 5165] +++ exited with 0 +++ [pid 5164] +++ exited with 0 +++ [pid 5166] set_robust_list(0x555555ab3660, 24 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5166] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5166 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5167 attached [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] +++ exited with 0 +++ [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5167] set_robust_list(0x555555ab3660, 24 [pid 5166] <... prctl resumed>) = 0 [pid 5166] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5169 attached ./strace-static-x86_64: Process 5168 attached [pid 5167] <... set_robust_list resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5167 [pid 5169] set_robust_list(0x555555ab3660, 24 [pid 5168] set_robust_list(0x555555ab3660, 24 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5167] <... prctl resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5169 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5168 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5167] setpgid(0, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5166] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5170 attached [pid 5169] <... prctl resumed>) = 0 [pid 5168] <... prctl resumed>) = 0 [pid 5167] <... setpgid resumed>) = 0 [pid 5166] write(3, "1000", 4 [pid 5170] set_robust_list(0x555555ab3660, 24 [pid 5169] setpgid(0, 0 [pid 5168] setpgid(0, 0 [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5166] <... write resumed>) = 4 [pid 5170] <... set_robust_list resumed>) = 0 [pid 5169] <... setpgid resumed>) = 0 [pid 5168] <... setpgid resumed>) = 0 [pid 5166] close(3 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5167] <... openat resumed>) = 3 [pid 5166] <... close resumed>) = 0 [pid 5170] <... prctl resumed>) = 0 [pid 5169] <... openat resumed>) = 3 [pid 5167] write(3, "1000", 4 [pid 5166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5170 [pid 5170] setpgid(0, 0 [pid 5169] write(3, "1000", 4 [pid 5168] <... openat resumed>) = 3 [pid 5167] <... write resumed>) = 4 [pid 5170] <... setpgid resumed>) = 0 [pid 5167] close(3 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] <... write resumed>) = 4 [pid 5168] write(3, "1000", 4 [pid 5167] <... close resumed>) = 0 [pid 5170] <... openat resumed>) = 3 [pid 5169] close(3 [pid 5168] <... write resumed>) = 4 [pid 5167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5166] <... bpf resumed>) = 3 [pid 5170] write(3, "1000", 4 [pid 5169] <... close resumed>) = 0 [pid 5168] close(3 [pid 5166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5170] <... write resumed>) = 4 [pid 5169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5168] <... close resumed>) = 0 [pid 5167] <... bpf resumed>) = 3 [pid 5166] <... bpf resumed>) = 4 [pid 5170] close(3 [pid 5168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5170] <... close resumed>) = 0 [pid 5169] <... bpf resumed>) = 3 [pid 5167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5168] <... bpf resumed>) = 3 [pid 5167] <... bpf resumed>) = 4 [pid 5166] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5170] <... bpf resumed>) = 3 [pid 5169] <... bpf resumed>) = 4 [pid 5167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5166] <... bpf resumed>) = 5 [pid 5168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5167] <... bpf resumed>) = 5 [pid 5166] perf_event_open(NULL, 0, -1, -1, 0 [pid 5167] perf_event_open(NULL, 0, -1, -1, 0 [pid 5168] <... bpf resumed>) = 4 [pid 5167] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5167] exit_group(0 [pid 5170] <... bpf resumed>) = 4 [pid 5169] <... bpf resumed>) = 5 [pid 5168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5166] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5169] perf_event_open(NULL, 0, -1, -1, 0 [pid 5167] <... exit_group resumed>) = ? [pid 5166] exit_group(0 [pid 5170] <... bpf resumed>) = 5 [pid 5169] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5168] <... bpf resumed>) = 5 [pid 5167] +++ exited with 0 +++ [pid 5166] <... exit_group resumed>) = ? [pid 5170] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5169] exit_group(0 [pid 5170] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5169] <... exit_group resumed>) = ? [pid 5168] perf_event_open(NULL, 0, -1, -1, 0 [pid 5170] exit_group(0 [pid 5168] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5170] <... exit_group resumed>) = ? [pid 5170] +++ exited with 0 +++ [pid 5166] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5168] exit_group(0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5168] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5171 attached [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5171] set_robust_list(0x555555ab3660, 24 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5171] <... set_robust_list resumed>) = 0 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5171 [pid 5171] setpgid(0, 0./strace-static-x86_64: Process 5172 attached ) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5172 ./strace-static-x86_64: Process 5173 attached [pid 5172] set_robust_list(0x555555ab3660, 24 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5173 [pid 5173] set_robust_list(0x555555ab3660, 24 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] <... openat resumed>) = 3 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5171] write(3, "1000", 4 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] <... prctl resumed>) = 0 [pid 5173] <... prctl resumed>) = 0 [pid 5172] setpgid(0, 0 [pid 5171] <... write resumed>) = 4 [pid 5172] <... setpgid resumed>) = 0 [pid 5173] setpgid(0, 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] close(3) = 0 [pid 5173] <... setpgid resumed>) = 0 [pid 5172] <... openat resumed>) = 3 [pid 5171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] write(3, "1000", 4 [pid 5171] <... bpf resumed>) = 3 [pid 5169] +++ exited with 0 +++ [pid 5168] +++ exited with 0 +++ [pid 5172] <... write resumed>) = 4 [pid 5173] <... openat resumed>) = 3 [pid 5172] close(3) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5174 attached [pid 5173] write(3, "1000", 4 [pid 5172] <... bpf resumed>) = 3 [pid 5171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5174] set_robust_list(0x555555ab3660, 24 [pid 5173] <... write resumed>) = 4 [pid 5172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5171] <... bpf resumed>) = 4 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] close(3 [pid 5172] <... bpf resumed>) = 4 [pid 5171] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5174 ./strace-static-x86_64: Process 5175 attached [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5173] <... close resumed>) = 0 [pid 5174] <... prctl resumed>) = 0 [pid 5174] setpgid(0, 0) = 0 [pid 5175] set_robust_list(0x555555ab3660, 24 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5175 [pid 5174] <... openat resumed>) = 3 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5175] <... prctl resumed>) = 0 [pid 5174] write(3, "1000", 4 [pid 5175] setpgid(0, 0 [pid 5174] <... write resumed>) = 4 [pid 5175] <... setpgid resumed>) = 0 [pid 5174] close(3) = 0 [pid 5174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5174] <... bpf resumed>) = 3 [pid 5173] <... bpf resumed>) = 3 [pid 5175] write(3, "1000", 4 [pid 5173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5175] <... write resumed>) = 4 [pid 5174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5175] close(3) = 0 [pid 5175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5174] <... bpf resumed>) = 4 [pid 5172] <... bpf resumed>) = 5 [pid 5171] <... bpf resumed>) = 5 [pid 5171] perf_event_open(NULL, 0, -1, -1, 0 [pid 5172] perf_event_open(NULL, 0, -1, -1, 0 [pid 5171] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5172] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5171] exit_group(0 [pid 5172] exit_group(0 [pid 5174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5171] <... exit_group resumed>) = ? [pid 5175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5172] <... exit_group resumed>) = ? [pid 5175] <... bpf resumed>) = 4 [pid 5174] <... bpf resumed>) = 5 [pid 5173] <... bpf resumed>) = 4 [pid 5171] +++ exited with 0 +++ [pid 5174] perf_event_open(NULL, 0, -1, -1, 0 [pid 5173] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5174] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5174] exit_group(0) = ? [pid 5175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5175] <... bpf resumed>) = 5 [pid 5174] +++ exited with 0 +++ [pid 5173] <... bpf resumed>) = 5 [pid 5172] +++ exited with 0 +++ [pid 5175] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5175] exit_group(0 [pid 5173] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5175] <... exit_group resumed>) = ? [pid 5173] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5176 attached [pid 5173] exit_group(0) = ? [pid 5176] set_robust_list(0x555555ab3660, 24) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5176 ./strace-static-x86_64: Process 5178 attached ./strace-static-x86_64: Process 5177 attached [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5177 [pid 5177] set_robust_list(0x555555ab3660, 24 [pid 5178] set_robust_list(0x555555ab3660, 24 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] <... prctl resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5178 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] setpgid(0, 0 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5177] <... prctl resumed>) = 0 [pid 5176] <... setpgid resumed>) = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] setpgid(0, 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5178] <... prctl resumed>) = 0 [pid 5177] <... setpgid resumed>) = 0 [pid 5176] <... openat resumed>) = 3 [pid 5178] setpgid(0, 0) = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] write(3, "1000", 4 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5177] <... openat resumed>) = 3 [pid 5176] <... write resumed>) = 4 [pid 5178] <... openat resumed>) = 3 [pid 5177] write(3, "1000", 4 [pid 5176] close(3 [pid 5178] write(3, "1000", 4 [pid 5177] <... write resumed>) = 4 [pid 5176] <... close resumed>) = 0 [pid 5178] <... write resumed>) = 4 [pid 5177] close(3 [pid 5176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5178] close(3 [pid 5177] <... close resumed>) = 0 [pid 5176] <... bpf resumed>) = 3 [pid 5178] <... close resumed>) = 0 [pid 5177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5178] <... bpf resumed>) = 3 [pid 5177] <... bpf resumed>) = 3 [pid 5176] <... bpf resumed>) = 4 [pid 5175] +++ exited with 0 +++ [pid 5178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5177] <... bpf resumed>) = 4 [pid 5176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5173] +++ exited with 0 +++ [pid 5073] <... restart_syscall resumed>) = 0 [pid 5178] <... bpf resumed>) = 4 [pid 5177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5179 ./strace-static-x86_64: Process 5180 attached ./strace-static-x86_64: Process 5179 attached [pid 5180] set_robust_list(0x555555ab3660, 24 [pid 5179] set_robust_list(0x555555ab3660, 24 [pid 5176] <... bpf resumed>) = 5 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5180 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5177] <... bpf resumed>) = 5 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] <... bpf resumed>) = 5 [pid 5177] perf_event_open(NULL, 0, -1, -1, 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5178] perf_event_open(NULL, 0, -1, -1, 0 [pid 5180] <... prctl resumed>) = 0 [pid 5177] exit_group(0 [pid 5178] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5180] setpgid(0, 0 [pid 5177] <... exit_group resumed>) = ? [pid 5179] <... prctl resumed>) = 0 [pid 5178] exit_group(0 [pid 5176] perf_event_open(NULL, 0, -1, -1, 0 [pid 5179] setpgid(0, 0 [pid 5176] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5179] <... setpgid resumed>) = 0 [pid 5177] +++ exited with 0 +++ [pid 5176] exit_group(0 [pid 5180] <... setpgid resumed>) = 0 [pid 5178] <... exit_group resumed>) = ? [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] <... openat resumed>) = 3 [pid 5178] +++ exited with 0 +++ [pid 5176] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5179] write(3, "1000", 4) = 4 [pid 5179] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... restart_syscall resumed>) = 0 [pid 5179] <... close resumed>) = 0 [pid 5179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5180] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5181 attached [pid 5180] write(3, "1000", 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5181 ./strace-static-x86_64: Process 5183 attached ./strace-static-x86_64: Process 5182 attached [pid 5181] set_robust_list(0x555555ab3660, 24 [pid 5180] <... write resumed>) = 4 [pid 5179] <... bpf resumed>) = 3 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5180] close(3 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] <... close resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5182 [pid 5183] set_robust_list(0x555555ab3660, 24 [pid 5182] set_robust_list(0x555555ab3660, 24 [pid 5180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] <... prctl resumed>) = 0 [pid 5179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5183 [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5181] setpgid(0, 0 [pid 5180] <... bpf resumed>) = 3 [pid 5179] <... bpf resumed>) = 4 [pid 5183] <... prctl resumed>) = 0 [pid 5181] <... setpgid resumed>) = 0 [pid 5182] <... prctl resumed>) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5183] setpgid(0, 0 [pid 5182] setpgid(0, 0 [pid 5181] <... openat resumed>) = 3 [pid 5180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5183] <... setpgid resumed>) = 0 [pid 5182] <... setpgid resumed>) = 0 [pid 5181] write(3, "1000", 4 [pid 5180] <... bpf resumed>) = 4 [pid 5179] <... bpf resumed>) = 5 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5181] <... write resumed>) = 4 [pid 5179] perf_event_open(NULL, 0, -1, -1, 0 [pid 5182] <... openat resumed>) = 3 [pid 5181] close(3 [pid 5180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5179] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5181] <... close resumed>) = 0 [pid 5179] exit_group(0 [pid 5183] <... openat resumed>) = 3 [pid 5182] write(3, "1000", 4 [pid 5181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5179] <... exit_group resumed>) = ? [pid 5183] write(3, "1000", 4 [pid 5182] <... write resumed>) = 4 [pid 5180] <... bpf resumed>) = 5 [pid 5183] <... write resumed>) = 4 [pid 5182] close(3 [pid 5180] perf_event_open(NULL, 0, -1, -1, 0 [pid 5183] close(3 [pid 5181] <... bpf resumed>) = 3 [pid 5182] <... close resumed>) = 0 [pid 5183] <... close resumed>) = 0 [pid 5180] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5180] exit_group(0 [pid 5183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5180] <... exit_group resumed>) = ? [pid 5183] <... bpf resumed>) = 3 [pid 5183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5182] <... bpf resumed>) = 3 [pid 5181] <... bpf resumed>) = 4 [pid 5180] +++ exited with 0 +++ [pid 5179] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5184 attached [pid 5184] set_robust_list(0x555555ab3660, 24 [pid 5181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5183] <... bpf resumed>) = 4 [pid 5182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5184 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] setpgid(0, 0 [pid 5183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5184] <... setpgid resumed>) = 0 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5185 attached ) = 3 [pid 5185] set_robust_list(0x555555ab3660, 24 [pid 5184] write(3, "1000", 4 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5183] <... bpf resumed>) = 5 [pid 5182] <... bpf resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5185 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5184] <... write resumed>) = 4 [pid 5181] <... bpf resumed>) = 5 [pid 5184] close(3 [pid 5183] perf_event_open(NULL, 0, -1, -1, 0 [pid 5185] <... prctl resumed>) = 0 [pid 5184] <... close resumed>) = 0 [pid 5183] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5181] perf_event_open(NULL, 0, -1, -1, 0 [pid 5185] setpgid(0, 0 [pid 5184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5183] exit_group(0 [pid 5182] <... bpf resumed>) = 5 [pid 5181] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5183] <... exit_group resumed>) = ? [pid 5182] perf_event_open(NULL, 0, -1, -1, 0 [pid 5185] <... setpgid resumed>) = 0 [pid 5184] <... bpf resumed>) = 3 [pid 5182] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5182] exit_group(0 [pid 5185] <... openat resumed>) = 3 [pid 5182] <... exit_group resumed>) = ? [pid 5181] exit_group(0 [pid 5185] write(3, "1000", 4 [pid 5184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5182] +++ exited with 0 +++ [pid 5181] <... exit_group resumed>) = ? [pid 5185] <... write resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] close(3) = 0 [pid 5184] <... bpf resumed>) = 4 [pid 5181] +++ exited with 0 +++ [pid 5185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5186 attached [pid 5184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5186] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5187 attached ) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5186 [pid 5187] set_robust_list(0x555555ab3660, 24 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] <... set_robust_list resumed>) = 0 [pid 5186] <... prctl resumed>) = 0 [pid 5185] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5187 [pid 5186] setpgid(0, 0./strace-static-x86_64: Process 5188 attached [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5186] <... setpgid resumed>) = 0 [pid 5188] set_robust_list(0x555555ab3660, 24 [pid 5187] <... prctl resumed>) = 0 [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] setpgid(0, 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] <... prctl resumed>) = 0 [pid 5187] <... setpgid resumed>) = 0 [pid 5188] setpgid(0, 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] <... setpgid resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5188 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5187] <... openat resumed>) = 3 [pid 5186] <... openat resumed>) = 3 [pid 5185] <... bpf resumed>) = 4 [pid 5184] <... bpf resumed>) = 5 [pid 5187] write(3, "1000", 4 [pid 5188] <... openat resumed>) = 3 [pid 5187] <... write resumed>) = 4 [pid 5187] close(3) = 0 [pid 5187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5188] write(3, "1000", 4 [pid 5186] write(3, "1000", 4 [pid 5185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5184] perf_event_open(NULL, 0, -1, -1, 0 [pid 5188] <... write resumed>) = 4 [pid 5187] <... bpf resumed>) = 3 [pid 5186] <... write resumed>) = 4 [pid 5185] <... bpf resumed>) = 5 [pid 5184] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5188] close(3 [pid 5187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5186] close(3 [pid 5184] exit_group(0 [pid 5188] <... close resumed>) = 0 [pid 5186] <... close resumed>) = 0 [pid 5185] perf_event_open(NULL, 0, -1, -1, 0 [pid 5184] <... exit_group resumed>) = ? [pid 5188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5187] <... bpf resumed>) = 4 [pid 5186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5185] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5188] <... bpf resumed>) = 3 [pid 5187] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5186] <... bpf resumed>) = 3 [pid 5185] exit_group(0) = ? [pid 5188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5186] <... bpf resumed>) = 4 [pid 5186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5187] <... bpf resumed>) = 5 [pid 5184] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5187] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5187] exit_group(0) = ? [pid 5188] <... bpf resumed>) = 5 [pid 5186] <... bpf resumed>) = 5 [pid 5185] +++ exited with 0 +++ [pid 5188] perf_event_open(NULL, 0, -1, -1, 0 [pid 5186] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5186] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5188] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5187] +++ exited with 0 +++ [pid 5186] exit_group(0 [pid 5073] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5189 attached [pid 5189] set_robust_list(0x555555ab3660, 24 [pid 5188] exit_group(0 [pid 5186] <... exit_group resumed>) = ? [pid 5073] <... restart_syscall resumed>) = 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5190 attached [pid 5189] <... prctl resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5191 attached [pid 5190] set_robust_list(0x555555ab3660, 24 [pid 5189] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5190 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5189 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5191] set_robust_list(0x555555ab3660, 24 [pid 5189] <... setpgid resumed>) = 0 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5190] <... prctl resumed>) = 0 [pid 5190] setpgid(0, 0) = 0 [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] <... openat resumed>) = 3 [pid 5191] <... prctl resumed>) = 0 [pid 5189] write(3, "1000", 4 [pid 5191] setpgid(0, 0 [pid 5189] <... write resumed>) = 4 [pid 5191] <... setpgid resumed>) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5191 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] close(3 [pid 5190] <... openat resumed>) = 3 [pid 5191] <... openat resumed>) = 3 [pid 5189] <... close resumed>) = 0 [pid 5191] write(3, "1000", 4 [pid 5190] write(3, "1000", 4 [pid 5189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5191] <... write resumed>) = 4 [pid 5190] <... write resumed>) = 4 [pid 5191] close(3 [pid 5190] close(3 [pid 5191] <... close resumed>) = 0 [pid 5190] <... close resumed>) = 0 [pid 5191] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5190] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5189] <... bpf resumed>) = 3 [pid 5191] <... bpf resumed>) = 3 [pid 5191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5191] <... bpf resumed>) = 4 [pid 5189] <... bpf resumed>) = 4 [pid 5188] +++ exited with 0 +++ [pid 5186] +++ exited with 0 +++ [pid 5191] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5190] <... bpf resumed>) = 4 [pid 5189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5192 attached [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5193 attached [pid 5192] set_robust_list(0x555555ab3660, 24 [pid 5190] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5193] set_robust_list(0x555555ab3660, 24 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5193] <... prctl resumed>) = 0 [pid 5192] <... prctl resumed>) = 0 [pid 5193] setpgid(0, 0 [pid 5192] setpgid(0, 0 [pid 5193] <... setpgid resumed>) = 0 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5192] <... setpgid resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5193 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5192 [pid 5193] <... openat resumed>) = 3 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] write(3, "1000", 4) = 4 [pid 5192] <... openat resumed>) = 3 [pid 5191] <... bpf resumed>) = 5 [pid 5190] <... bpf resumed>) = 5 [pid 5189] <... bpf resumed>) = 5 [pid 5193] close(3 [pid 5192] write(3, "1000", 4 [pid 5191] perf_event_open(NULL, 0, -1, -1, 0 [pid 5190] perf_event_open(NULL, 0, -1, -1, 0 [pid 5193] <... close resumed>) = 0 [pid 5192] <... write resumed>) = 4 [pid 5191] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5190] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5189] perf_event_open(NULL, 0, -1, -1, 0 [pid 5193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5192] close(3 [pid 5191] exit_group(0 [pid 5190] exit_group(0 [pid 5189] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5192] <... close resumed>) = 0 [pid 5190] <... exit_group resumed>) = ? [pid 5189] exit_group(0 [pid 5192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5191] <... exit_group resumed>) = ? [pid 5190] +++ exited with 0 +++ [pid 5189] <... exit_group resumed>) = ? [pid 5193] <... bpf resumed>) = 3 [pid 5192] <... bpf resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5191] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5192] <... bpf resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5194 attached ./strace-static-x86_64: Process 5195 attached ) = 0 [pid 5194] set_robust_list(0x555555ab3660, 24) = 0 [pid 5195] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5194 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] <... set_robust_list resumed>) = 0 [pid 5192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5194] <... prctl resumed>) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5195 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5194] setpgid(0, 0 [pid 5195] <... prctl resumed>) = 0 [pid 5194] <... setpgid resumed>) = 0 [pid 5195] setpgid(0, 0 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5196 attached [pid 5194] <... openat resumed>) = 3 [pid 5193] <... bpf resumed>) = 5 [pid 5192] <... bpf resumed>) = 5 [pid 5196] set_robust_list(0x555555ab3660, 24 [pid 5194] write(3, "1000", 4 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] perf_event_open(NULL, 0, -1, -1, 0 [pid 5192] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5196 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5194] <... write resumed>) = 4 [pid 5193] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5192] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5194] close(3 [pid 5195] <... openat resumed>) = 3 [pid 5193] exit_group(0 [pid 5192] exit_group(0 [pid 5196] <... prctl resumed>) = 0 [pid 5194] <... close resumed>) = 0 [pid 5195] write(3, "1000", 4 [pid 5193] <... exit_group resumed>) = ? [pid 5192] <... exit_group resumed>) = ? [pid 5196] setpgid(0, 0 [pid 5194] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5195] <... write resumed>) = 4 [pid 5196] <... setpgid resumed>) = 0 [pid 5194] <... bpf resumed>) = 3 [pid 5195] close(3 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... close resumed>) = 0 [pid 5196] <... openat resumed>) = 3 [pid 5195] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5196] write(3, "1000", 4 [pid 5194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5196] <... write resumed>) = 4 [pid 5194] <... bpf resumed>) = 4 [pid 5195] <... bpf resumed>) = 3 [pid 5196] close(3 [pid 5195] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5196] <... close resumed>) = 0 [pid 5195] <... bpf resumed>) = 4 [pid 5196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5194] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5195] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5196] <... bpf resumed>) = 3 [pid 5196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5193] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5196] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5197 attached [pid 5196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5197 [pid 5197] set_robust_list(0x555555ab3660, 24 [pid 5192] +++ exited with 0 +++ [pid 5197] <... set_robust_list resumed>) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5197] <... prctl resumed>) = 0 [pid 5197] setpgid(0, 0) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5198 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5198 [pid 5198] set_robust_list(0x555555ab3660, 24 [pid 5197] <... openat resumed>) = 3 [pid 5197] write(3, "1000", 4 [pid 5198] <... set_robust_list resumed>) = 0 [pid 5197] <... write resumed>) = 4 [pid 5197] close(3 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5197] <... close resumed>) = 0 [pid 5196] <... bpf resumed>) = 5 [pid 5194] <... bpf resumed>) = 5 [pid 5195] <... bpf resumed>) = 5 [pid 5198] <... prctl resumed>) = 0 [pid 5197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5196] perf_event_open(NULL, 0, -1, -1, 0 [pid 5195] perf_event_open(NULL, 0, -1, -1, 0 [pid 5198] setpgid(0, 0 [pid 5196] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5195] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5198] <... setpgid resumed>) = 0 [pid 5197] <... bpf resumed>) = 3 [pid 5196] exit_group(0 [pid 5194] perf_event_open(NULL, 0, -1, -1, 0 [pid 5195] exit_group(0 [pid 5196] <... exit_group resumed>) = ? [pid 5195] <... exit_group resumed>) = ? [pid 5194] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5194] exit_group(0) = ? [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5194] +++ exited with 0 +++ [pid 5195] +++ exited with 0 +++ [pid 5197] <... bpf resumed>) = 4 [pid 5196] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5198] <... openat resumed>) = 3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5198] write(3, "1000", 4 [pid 5197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5198] <... write resumed>) = 4 [pid 5198] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5198] <... close resumed>) = 0 [pid 5198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5200 attached ./strace-static-x86_64: Process 5199 attached [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5199 [pid 5200] set_robust_list(0x555555ab3660, 24) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5200 [pid 5200] <... prctl resumed>) = 0 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] <... bpf resumed>) = 3 [pid 5200] setpgid(0, 0) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5199] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5201 attached [pid 5200] <... openat resumed>) = 3 [pid 5199] setpgid(0, 0 [pid 5197] <... bpf resumed>) = 5 [pid 5201] set_robust_list(0x555555ab3660, 24 [pid 5199] <... setpgid resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5201 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5200] write(3, "1000", 4 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5197] perf_event_open(NULL, 0, -1, -1, 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5200] <... write resumed>) = 4 [pid 5199] <... openat resumed>) = 3 [pid 5198] <... bpf resumed>) = 4 [pid 5197] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5201] <... prctl resumed>) = 0 [pid 5200] close(3 [pid 5199] write(3, "1000", 4 [pid 5198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5197] exit_group(0 [pid 5201] setpgid(0, 0 [pid 5200] <... close resumed>) = 0 [pid 5199] <... write resumed>) = 4 [pid 5198] <... bpf resumed>) = 5 [pid 5197] <... exit_group resumed>) = ? [pid 5201] <... setpgid resumed>) = 0 [pid 5200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5199] close(3 [pid 5198] perf_event_open(NULL, 0, -1, -1, 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5200] <... bpf resumed>) = 3 [pid 5199] <... close resumed>) = 0 [pid 5198] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5201] <... openat resumed>) = 3 [pid 5200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5201] write(3, "1000", 4 [pid 5199] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5198] exit_group(0 [pid 5201] <... write resumed>) = 4 [pid 5200] <... bpf resumed>) = 4 [pid 5198] <... exit_group resumed>) = ? [pid 5201] close(3 [pid 5199] <... bpf resumed>) = 3 [pid 5201] <... close resumed>) = 0 [pid 5199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5197] +++ exited with 0 +++ [pid 5201] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5199] <... bpf resumed>) = 4 [pid 5198] +++ exited with 0 +++ [pid 5201] <... bpf resumed>) = 3 [pid 5200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5199] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5202 attached ./strace-static-x86_64: Process 5203 attached [pid 5203] set_robust_list(0x555555ab3660, 24 [pid 5202] set_robust_list(0x555555ab3660, 24 [pid 5201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5202 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] <... prctl resumed>) = 0 [pid 5202] <... prctl resumed>) = 0 [pid 5203] setpgid(0, 0 [pid 5202] setpgid(0, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5203 [pid 5203] <... setpgid resumed>) = 0 [pid 5202] <... setpgid resumed>) = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] <... bpf resumed>) = 4 [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5202] <... openat resumed>) = 3 [pid 5203] <... openat resumed>) = 3 [pid 5200] <... bpf resumed>) = 5 [pid 5199] <... bpf resumed>) = 5 [pid 5202] write(3, "1000", 4 [pid 5203] write(3, "1000", 4 [pid 5201] <... bpf resumed>) = 5 [pid 5200] perf_event_open(NULL, 0, -1, -1, 0 [pid 5199] perf_event_open(NULL, 0, -1, -1, 0 [pid 5202] <... write resumed>) = 4 [pid 5203] <... write resumed>) = 4 [pid 5201] perf_event_open(NULL, 0, -1, -1, 0 [pid 5200] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5202] close(3 [pid 5199] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5203] close(3 [pid 5202] <... close resumed>) = 0 [pid 5201] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5200] exit_group(0 [pid 5199] exit_group(0 [pid 5203] <... close resumed>) = 0 [pid 5201] exit_group(0) = ? [pid 5200] <... exit_group resumed>) = ? [pid 5203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5202] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5199] <... exit_group resumed>) = ? [pid 5199] +++ exited with 0 +++ [pid 5203] <... bpf resumed>) = 3 [pid 5202] <... bpf resumed>) = 3 [pid 5201] +++ exited with 0 +++ [pid 5200] +++ exited with 0 +++ [pid 5203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5203] <... bpf resumed>) = 4 [pid 5202] <... bpf resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5204 attached [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5204] set_robust_list(0x555555ab3660, 24 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5205 attached [pid 5204] <... set_robust_list resumed>) = 0 [pid 5205] set_robust_list(0x555555ab3660, 24 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5204 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5205 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5206 attached [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5204] setpgid(0, 0 [pid 5206] set_robust_list(0x555555ab3660, 24 [pid 5205] <... prctl resumed>) = 0 [pid 5204] <... setpgid resumed>) = 0 [pid 5206] <... set_robust_list resumed>) = 0 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5205] setpgid(0, 0 [pid 5206] <... prctl resumed>) = 0 [pid 5204] <... openat resumed>) = 3 [pid 5205] <... setpgid resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5206 [pid 5206] setpgid(0, 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] write(3, "1000", 4 [pid 5206] <... setpgid resumed>) = 0 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] <... openat resumed>) = 3 [pid 5204] <... write resumed>) = 4 [pid 5202] <... bpf resumed>) = 5 [pid 5204] close(3 [pid 5203] <... bpf resumed>) = 5 [pid 5202] perf_event_open(NULL, 0, -1, -1, 0 [pid 5206] <... openat resumed>) = 3 [pid 5205] write(3, "1000", 4 [pid 5204] <... close resumed>) = 0 [pid 5203] perf_event_open(NULL, 0, -1, -1, 0 [pid 5202] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5206] write(3, "1000", 4 [pid 5205] <... write resumed>) = 4 [pid 5204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5203] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5202] exit_group(0 [pid 5206] <... write resumed>) = 4 [pid 5205] close(3 [pid 5203] exit_group(0 [pid 5202] <... exit_group resumed>) = ? [pid 5206] close(3 [pid 5205] <... close resumed>) = 0 [pid 5204] <... bpf resumed>) = 3 [pid 5203] <... exit_group resumed>) = ? [pid 5206] <... close resumed>) = 0 [pid 5205] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5205] <... bpf resumed>) = 3 [pid 5204] <... bpf resumed>) = 4 [pid 5205] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5206] <... bpf resumed>) = 3 [pid 5204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5205] <... bpf resumed>) = 4 [pid 5205] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5206] <... bpf resumed>) = 4 [pid 5203] +++ exited with 0 +++ [pid 5202] +++ exited with 0 +++ [pid 5206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5207 attached [pid 5204] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5207 [pid 5207] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5208 attached ) = 0 [pid 5206] <... bpf resumed>) = 5 [pid 5205] <... bpf resumed>) = 5 [pid 5204] perf_event_open(NULL, 0, -1, -1, 0 [pid 5208] set_robust_list(0x555555ab3660, 24 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5206] perf_event_open(NULL, 0, -1, -1, 0 [pid 5204] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5208] <... set_robust_list resumed>) = 0 [pid 5207] <... prctl resumed>) = 0 [pid 5206] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5204] exit_group(0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5207] setpgid(0, 0 [pid 5206] exit_group(0 [pid 5205] perf_event_open(NULL, 0, -1, -1, 0 [pid 5204] <... exit_group resumed>) = ? [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5208 [pid 5208] <... prctl resumed>) = 0 [pid 5207] <... setpgid resumed>) = 0 [pid 5206] <... exit_group resumed>) = ? [pid 5205] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5208] setpgid(0, 0 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] exit_group(0 [pid 5204] +++ exited with 0 +++ [pid 5208] <... setpgid resumed>) = 0 [pid 5205] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5207] <... openat resumed>) = 3 [pid 5208] <... openat resumed>) = 3 [pid 5208] write(3, "1000", 4 [pid 5207] write(3, "1000", 4 [pid 5206] +++ exited with 0 +++ [pid 5205] +++ exited with 0 +++ [pid 5208] <... write resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5208] close(3 [pid 5207] <... write resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5207] close(3 [pid 5080] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5209 attached [pid 5208] <... close resumed>) = 0 [pid 5207] <... close resumed>) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5208] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5207] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5209] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5209 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5208] <... bpf resumed>) = 3 [pid 5207] <... bpf resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5209] <... prctl resumed>) = 0 [pid 5208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5209] setpgid(0, 0./strace-static-x86_64: Process 5210 attached [pid 5208] <... bpf resumed>) = 4 [pid 5207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5211 attached [pid 5210] set_robust_list(0x555555ab3660, 24 [pid 5209] <... setpgid resumed>) = 0 [pid 5208] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5207] <... bpf resumed>) = 4 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5210] <... set_robust_list resumed>) = 0 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5209] <... openat resumed>) = 3 [pid 5211] set_robust_list(0x555555ab3660, 24 [pid 5210] <... prctl resumed>) = 0 [pid 5210] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5211 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5210] <... setpgid resumed>) = 0 [pid 5209] write(3, "1000", 4 [pid 5207] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5209] <... write resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5210 [pid 5211] <... prctl resumed>) = 0 [pid 5210] <... openat resumed>) = 3 [pid 5209] close(3 [pid 5211] setpgid(0, 0 [pid 5209] <... close resumed>) = 0 [pid 5211] <... setpgid resumed>) = 0 [pid 5209] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5210] write(3, "1000", 4 [pid 5208] <... bpf resumed>) = 5 [pid 5207] <... bpf resumed>) = 5 [pid 5210] <... write resumed>) = 4 [pid 5207] perf_event_open(NULL, 0, -1, -1, 0 [pid 5210] close(3 [pid 5207] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5210] <... close resumed>) = 0 [pid 5210] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5209] <... bpf resumed>) = 3 [pid 5207] exit_group(0 [pid 5211] <... openat resumed>) = 3 [pid 5207] <... exit_group resumed>) = ? [pid 5208] perf_event_open(NULL, 0, -1, -1, 0 [pid 5211] write(3, "1000", 4 [pid 5210] <... bpf resumed>) = 3 [pid 5209] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5208] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5207] +++ exited with 0 +++ [pid 5211] <... write resumed>) = 4 [pid 5208] exit_group(0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5211] close(3 [pid 5208] <... exit_group resumed>) = ? [pid 5211] <... close resumed>) = 0 [pid 5210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5209] <... bpf resumed>) = 4 [pid 5208] +++ exited with 0 +++ [pid 5211] <... bpf resumed>) = 3 [pid 5210] <... bpf resumed>) = 4 [pid 5209] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5209] <... bpf resumed>) = 5 [pid 5211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5211] <... bpf resumed>) = 5 [pid 5209] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5210] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5209] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5213 attached ./strace-static-x86_64: Process 5212 attached [pid 5211] perf_event_open(NULL, 0, -1, -1, 0 [pid 5213] set_robust_list(0x555555ab3660, 24 [pid 5212] set_robust_list(0x555555ab3660, 24 [pid 5211] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5209] exit_group(0 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] exit_group(0 [pid 5210] <... bpf resumed>) = 5 [pid 5209] <... exit_group resumed>) = ? [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5212 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5211] <... exit_group resumed>) = ? [pid 5210] perf_event_open(NULL, 0, -1, -1, 0 [pid 5209] +++ exited with 0 +++ [pid 5210] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5213 [pid 5210] exit_group(0) = ? [pid 5213] <... prctl resumed>) = 0 [pid 5212] <... prctl resumed>) = 0 [pid 5213] setpgid(0, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5213] <... setpgid resumed>) = 0 [pid 5212] setpgid(0, 0 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5212] <... setpgid resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... restart_syscall resumed>) = 0 [pid 5212] <... openat resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5213] <... openat resumed>) = 3 [pid 5212] write(3, "1000", 4 [pid 5213] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5214 attached [pid 5213] close(3 [pid 5212] <... write resumed>) = 4 [pid 5211] +++ exited with 0 +++ [pid 5210] +++ exited with 0 +++ [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5214 [pid 5214] set_robust_list(0x555555ab3660, 24 [pid 5213] <... close resumed>) = 0 [pid 5212] close(3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5214] <... set_robust_list resumed>) = 0 [pid 5213] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5212] <... close resumed>) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] <... bpf resumed>) = 3 [pid 5212] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5214] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached ./strace-static-x86_64: Process 5215 attached [pid 5214] <... setpgid resumed>) = 0 [pid 5213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5212] <... bpf resumed>) = 3 [pid 5216] set_robust_list(0x555555ab3660, 24 [pid 5215] set_robust_list(0x555555ab3660, 24 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... bpf resumed>) = 4 [pid 5212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5216] <... set_robust_list resumed>) = 0 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5214] <... openat resumed>) = 3 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5213] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5215 [pid 5216] <... prctl resumed>) = 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] write(3, "1000", 4 [pid 5212] <... bpf resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5216 [pid 5216] setpgid(0, 0 [pid 5215] <... prctl resumed>) = 0 [pid 5214] <... write resumed>) = 4 [pid 5212] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5216] <... setpgid resumed>) = 0 [pid 5215] setpgid(0, 0 [pid 5214] close(3 [pid 5215] <... setpgid resumed>) = 0 [pid 5214] <... close resumed>) = 0 [pid 5214] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5216] <... openat resumed>) = 3 [pid 5216] write(3, "1000", 4 [pid 5215] <... openat resumed>) = 3 [pid 5214] <... bpf resumed>) = 3 [pid 5213] <... bpf resumed>) = 5 [pid 5212] <... bpf resumed>) = 5 [pid 5216] <... write resumed>) = 4 [pid 5215] write(3, "1000", 4 [pid 5214] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5213] perf_event_open(NULL, 0, -1, -1, 0 [pid 5212] perf_event_open(NULL, 0, -1, -1, 0 [pid 5215] <... write resumed>) = 4 [pid 5216] close(3 [pid 5215] close(3 [pid 5214] <... bpf resumed>) = 4 [pid 5213] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5212] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5216] <... close resumed>) = 0 [pid 5213] exit_group(0 [pid 5215] <... close resumed>) = 0 [pid 5214] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5212] exit_group(0 [pid 5216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5215] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5213] <... exit_group resumed>) = ? [pid 5212] <... exit_group resumed>) = ? [pid 5216] <... bpf resumed>) = 3 [pid 5215] <... bpf resumed>) = 3 [pid 5214] <... bpf resumed>) = 5 [pid 5213] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5215] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5214] perf_event_open(NULL, 0, -1, -1, 0 [pid 5212] +++ exited with 0 +++ [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5216] <... bpf resumed>) = 4 [pid 5215] <... bpf resumed>) = 4 [pid 5214] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5217 attached [pid 5214] exit_group(0 [pid 5217] set_robust_list(0x555555ab3660, 24) = 0 [pid 5214] <... exit_group resumed>) = ? [pid 5215] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5215] <... bpf resumed>) = 5 [pid 5216] <... bpf resumed>) = 5 [pid 5215] perf_event_open(NULL, 0, -1, -1, 0 [pid 5214] +++ exited with 0 +++ [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] perf_event_open(NULL, 0, -1, -1, 0 [pid 5215] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5217 [pid 5217] <... prctl resumed>) = 0 [pid 5216] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5215] exit_group(0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5217] setpgid(0, 0 [pid 5216] exit_group(0 [pid 5215] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5218 attached [pid 5217] <... setpgid resumed>) = 0 [pid 5216] <... exit_group resumed>) = ? [pid 5218] set_robust_list(0x555555ab3660, 24 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5218 [pid 5218] <... set_robust_list resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5217] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5219 attached [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] +++ exited with 0 +++ [pid 5215] +++ exited with 0 +++ [pid 5219] set_robust_list(0x555555ab3660, 24 [pid 5218] <... prctl resumed>) = 0 [pid 5217] write(3, "1000", 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5219 [pid 5219] <... set_robust_list resumed>) = 0 [pid 5218] setpgid(0, 0 [pid 5217] <... write resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] close(3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached [pid 5219] <... prctl resumed>) = 0 [pid 5218] <... setpgid resumed>) = 0 [pid 5217] <... close resumed>) = 0 [pid 5220] set_robust_list(0x555555ab3660, 24 [pid 5219] setpgid(0, 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... setpgid resumed>) = 0 [pid 5218] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5220] <... prctl resumed>) = 0 [pid 5221] set_robust_list(0x555555ab3660, 24 [pid 5220] setpgid(0, 0 [pid 5219] <... openat resumed>) = 3 [pid 5218] write(3, "1000", 4 [pid 5217] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5220 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] <... setpgid resumed>) = 0 [pid 5218] <... write resumed>) = 4 [pid 5219] write(3, "1000", 4 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] <... write resumed>) = 4 [pid 5218] close(3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5221 [pid 5218] <... close resumed>) = 0 [pid 5221] <... prctl resumed>) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] close(3 [pid 5218] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5221] setpgid(0, 0 [pid 5220] <... openat resumed>) = 3 [pid 5219] <... close resumed>) = 0 [pid 5218] <... bpf resumed>) = 3 [pid 5217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5221] <... setpgid resumed>) = 0 [pid 5220] write(3, "1000", 4 [pid 5219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5217] <... bpf resumed>) = 4 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5220] <... write resumed>) = 4 [pid 5218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5221] <... openat resumed>) = 3 [pid 5220] close(3 [pid 5219] <... bpf resumed>) = 3 [pid 5218] <... bpf resumed>) = 4 [pid 5217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5221] write(3, "1000", 4 [pid 5220] <... close resumed>) = 0 [pid 5219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5217] <... bpf resumed>) = 5 [pid 5221] <... write resumed>) = 4 [pid 5220] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5221] close(3 [pid 5218] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5217] perf_event_open(NULL, 0, -1, -1, 0 [pid 5218] <... bpf resumed>) = 5 [pid 5217] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5221] <... close resumed>) = 0 [pid 5218] perf_event_open(NULL, 0, -1, -1, 0 [pid 5217] exit_group(0 [pid 5218] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5218] exit_group(0 [pid 5217] <... exit_group resumed>) = ? [pid 5221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5220] <... bpf resumed>) = 3 [pid 5219] <... bpf resumed>) = 4 [pid 5218] <... exit_group resumed>) = ? [pid 5221] <... bpf resumed>) = 3 [pid 5219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5220] <... bpf resumed>) = 4 [pid 5221] <... bpf resumed>) = 4 [pid 5220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5219] <... bpf resumed>) = 5 [pid 5217] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5221] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5219] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5219] exit_group(0) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached [pid 5222] set_robust_list(0x555555ab3660, 24) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5222 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... bpf resumed>) = 5 [pid 5220] <... bpf resumed>) = 5 [pid 5219] +++ exited with 0 +++ [pid 5218] +++ exited with 0 +++ [pid 5222] <... prctl resumed>) = 0 [pid 5221] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5222] setpgid(0, 0 [pid 5221] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5222] <... setpgid resumed>) = 0 [pid 5221] exit_group(0 [pid 5220] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] <... exit_group resumed>) = ? [pid 5220] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached [pid 5220] exit_group(0) = ? [pid 5223] set_robust_list(0x555555ab3660, 24 [pid 5222] <... openat resumed>) = 3 [pid 5222] write(3, "1000", 4) = 4 [pid 5222] close(3) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5223 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5224 attached ) = 0 [pid 5222] <... bpf resumed>) = 3 [pid 5223] setpgid(0, 0) = 0 [pid 5224] set_robust_list(0x555555ab3660, 24 [pid 5222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] +++ exited with 0 +++ [pid 5220] +++ exited with 0 +++ [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5224 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5223] <... openat resumed>) = 3 [pid 5224] <... prctl resumed>) = 0 [pid 5224] setpgid(0, 0) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5223] write(3, "1000", 4) = 4 [pid 5223] close(3 [pid 5224] <... openat resumed>) = 3 [pid 5223] <... close resumed>) = 0 [pid 5222] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5224] write(3, "1000", 4) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached [pid 5224] close(3 [pid 5223] <... bpf resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5226 attached [pid 5225] set_robust_list(0x555555ab3660, 24 [pid 5224] <... close resumed>) = 0 [pid 5223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5224] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5225 [pid 5226] set_robust_list(0x555555ab3660, 24 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... bpf resumed>) = 3 [pid 5223] <... bpf resumed>) = 4 [pid 5222] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5226 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] <... prctl resumed>) = 0 [pid 5223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] setpgid(0, 0 [pid 5222] perf_event_open(NULL, 0, -1, -1, 0 [pid 5223] <... bpf resumed>) = 5 [pid 5226] <... prctl resumed>) = 0 [pid 5225] <... setpgid resumed>) = 0 [pid 5223] perf_event_open(NULL, 0, -1, -1, 0 [pid 5222] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5226] setpgid(0, 0 [pid 5224] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5223] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5222] exit_group(0 [pid 5226] <... setpgid resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] <... exit_group resumed>) = ? [pid 5224] <... bpf resumed>) = 4 [pid 5223] exit_group(0 [pid 5224] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] <... openat resumed>) = 3 [pid 5223] <... exit_group resumed>) = ? [pid 5226] <... openat resumed>) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5226] write(3, "1000", 4 [pid 5225] close(3 [pid 5222] +++ exited with 0 +++ [pid 5225] <... close resumed>) = 0 [pid 5224] <... bpf resumed>) = 5 [pid 5226] <... write resumed>) = 4 [pid 5224] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5226] close(3 [pid 5225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5224] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5226] <... close resumed>) = 0 [pid 5226] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5226] <... bpf resumed>) = 3 [pid 5225] <... bpf resumed>) = 3 [pid 5224] exit_group(0 [pid 5225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5224] <... exit_group resumed>) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... bpf resumed>) = 4 [pid 5226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5226] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5227 attached [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5227 [pid 5227] set_robust_list(0x555555ab3660, 24) = 0 [pid 5226] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setpgid(0, 0) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3 [pid 5224] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ [pid 5227] <... close resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5227] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached [pid 5227] <... bpf resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] set_robust_list(0x555555ab3660, 24 [pid 5227] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5229 attached [pid 5228] <... set_robust_list resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5228 [pid 5229] set_robust_list(0x555555ab3660, 24 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] <... bpf resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5229 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0 [pid 5228] <... prctl resumed>) = 0 [pid 5229] <... setpgid resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] setpgid(0, 0) = 0 [pid 5225] <... bpf resumed>) = 5 [pid 5229] <... openat resumed>) = 3 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] <... bpf resumed>) = 5 [pid 5225] perf_event_open(NULL, 0, -1, -1, 0 [pid 5229] write(3, "1000", 4 [pid 5228] <... openat resumed>) = 3 [pid 5227] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5226] perf_event_open(NULL, 0, -1, -1, 0 [pid 5225] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5229] <... write resumed>) = 4 [pid 5228] write(3, "1000", 4 [pid 5227] <... bpf resumed>) = 5 [pid 5226] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5225] exit_group(0 [pid 5229] close(3 [pid 5228] <... write resumed>) = 4 [pid 5227] perf_event_open(NULL, 0, -1, -1, 0 [pid 5226] exit_group(0 [pid 5225] <... exit_group resumed>) = ? [pid 5229] <... close resumed>) = 0 [pid 5228] close(3 [pid 5227] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5226] <... exit_group resumed>) = ? [pid 5229] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5228] <... close resumed>) = 0 [pid 5227] exit_group(0 [pid 5225] +++ exited with 0 +++ [pid 5228] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5227] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5229] <... bpf resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached [pid 5228] <... bpf resumed>) = 3 [pid 5230] set_robust_list(0x555555ab3660, 24 [pid 5228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5230 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] <... bpf resumed>) = 4 [pid 5228] <... bpf resumed>) = 4 [pid 5230] <... prctl resumed>) = 0 [pid 5228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5230] setpgid(0, 0) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5230] <... openat resumed>) = 3 [pid 5230] write(3, "1000", 4 [pid 5226] +++ exited with 0 +++ [pid 5230] <... write resumed>) = 4 [pid 5227] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5230] close(3) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5230] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5230] <... bpf resumed>) = 3 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached [pid 5230] <... bpf resumed>) = 4 [pid 5231] set_robust_list(0x555555ab3660, 24 [pid 5230] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5231] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5231 ./strace-static-x86_64: Process 5232 attached [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5232] set_robust_list(0x555555ab3660, 24 [pid 5231] <... prctl resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5232 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] setpgid(0, 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] <... bpf resumed>) = 5 [pid 5231] <... setpgid resumed>) = 0 [pid 5230] <... bpf resumed>) = 5 [pid 5229] <... bpf resumed>) = 5 [pid 5232] <... prctl resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] perf_event_open(NULL, 0, -1, -1, 0 [pid 5232] setpgid(0, 0 [pid 5230] perf_event_open(NULL, 0, -1, -1, 0 [pid 5229] perf_event_open(NULL, 0, -1, -1, 0 [pid 5228] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5232] <... setpgid resumed>) = 0 [pid 5231] <... openat resumed>) = 3 [pid 5230] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5229] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] exit_group(0 [pid 5228] exit_group(0 [pid 5232] <... openat resumed>) = 3 [pid 5231] write(3, "1000", 4 [pid 5230] exit_group(0 [pid 5229] <... exit_group resumed>) = ? [pid 5228] <... exit_group resumed>) = ? [pid 5230] <... exit_group resumed>) = ? [pid 5228] +++ exited with 0 +++ [pid 5232] write(3, "1000", 4 [pid 5231] <... write resumed>) = 4 [pid 5232] <... write resumed>) = 4 [pid 5231] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5232] close(3 [pid 5231] <... close resumed>) = 0 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5232] <... close resumed>) = 0 [pid 5231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5231] <... bpf resumed>) = 3 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5232] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5233 attached ) = 4 [pid 5231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5233] set_robust_list(0x555555ab3660, 24) = 0 [pid 5229] +++ exited with 0 +++ [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5233 [pid 5232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5230] +++ exited with 0 +++ [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5231] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5233] <... prctl resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5235 attached ./strace-static-x86_64: Process 5234 attached [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5234 [pid 5235] set_robust_list(0x555555ab3660, 24 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] <... openat resumed>) = 3 [pid 5232] <... bpf resumed>) = 5 [pid 5231] <... bpf resumed>) = 5 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5235 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5233] write(3, "1000", 4 [pid 5232] perf_event_open(NULL, 0, -1, -1, 0 [pid 5231] perf_event_open(NULL, 0, -1, -1, 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] <... prctl resumed>) = 0 [pid 5233] <... write resumed>) = 4 [pid 5232] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5231] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5235] <... prctl resumed>) = 0 [pid 5234] setpgid(0, 0 [pid 5233] close(3 [pid 5232] exit_group(0 [pid 5235] setpgid(0, 0 [pid 5234] <... setpgid resumed>) = 0 [pid 5233] <... close resumed>) = 0 [pid 5235] <... setpgid resumed>) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5233] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5232] <... exit_group resumed>) = ? [pid 5231] exit_group(0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] <... openat resumed>) = 3 [pid 5233] <... bpf resumed>) = 3 [pid 5235] <... openat resumed>) = 3 [pid 5234] write(3, "1000", 4 [pid 5233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5231] <... exit_group resumed>) = ? [pid 5235] write(3, "1000", 4 [pid 5234] <... write resumed>) = 4 [pid 5233] <... bpf resumed>) = 4 [pid 5235] <... write resumed>) = 4 [pid 5234] close(3 [pid 5233] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5235] close(3 [pid 5234] <... close resumed>) = 0 [pid 5235] <... close resumed>) = 0 [pid 5235] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5234] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5235] <... bpf resumed>) = 3 [pid 5234] <... bpf resumed>) = 3 [pid 5234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5232] +++ exited with 0 +++ [pid 5235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5234] <... bpf resumed>) = 4 [pid 5235] <... bpf resumed>) = 4 [pid 5234] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5231] +++ exited with 0 +++ [pid 5075] <... restart_syscall resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5236 attached [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5236 ./strace-static-x86_64: Process 5237 attached [pid 5236] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5237 [pid 5237] set_robust_list(0x555555ab3660, 24 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] setpgid(0, 0 [pid 5236] <... prctl resumed>) = 0 [pid 5237] <... setpgid resumed>) = 0 [pid 5234] <... bpf resumed>) = 5 [pid 5233] <... bpf resumed>) = 5 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] setpgid(0, 0 [pid 5235] <... bpf resumed>) = 5 [pid 5234] perf_event_open(NULL, 0, -1, -1, 0 [pid 5233] perf_event_open(NULL, 0, -1, -1, 0 [pid 5237] <... openat resumed>) = 3 [pid 5236] <... setpgid resumed>) = 0 [pid 5235] perf_event_open(NULL, 0, -1, -1, 0 [pid 5234] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5233] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5237] write(3, "1000", 4 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5234] exit_group(0 [pid 5237] <... write resumed>) = 4 [pid 5236] <... openat resumed>) = 3 [pid 5235] exit_group(0 [pid 5234] <... exit_group resumed>) = ? [pid 5233] exit_group(0 [pid 5236] write(3, "1000", 4 [pid 5233] <... exit_group resumed>) = ? [pid 5236] <... write resumed>) = 4 [pid 5237] close(3 [pid 5235] <... exit_group resumed>) = ? [pid 5234] +++ exited with 0 +++ [pid 5237] <... close resumed>) = 0 [pid 5236] close(3) = 0 [pid 5237] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5237] <... bpf resumed>) = 3 [pid 5236] <... bpf resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached [pid 5237] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5238] set_robust_list(0x555555ab3660, 24 [pid 5237] <... bpf resumed>) = 4 [pid 5236] <... bpf resumed>) = 4 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5237] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5238 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] setpgid(0, 0) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] write(3, "1000", 4 [pid 5233] +++ exited with 0 +++ [pid 5238] <... write resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5238] close(3 [pid 5235] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5238] <... close resumed>) = 0 [pid 5238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5238] <... bpf resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5240 attached [pid 5239] set_robust_list(0x555555ab3660, 24 [pid 5238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5240] set_robust_list(0x555555ab3660, 24 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] <... prctl resumed>) = 0 [pid 5238] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5240 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5239 [pid 5239] setpgid(0, 0 [pid 5240] <... prctl resumed>) = 0 [pid 5238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5240] setpgid(0, 0 [pid 5239] <... setpgid resumed>) = 0 [pid 5240] <... setpgid resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] write(3, "1000", 4) = 4 [pid 5239] <... openat resumed>) = 3 [pid 5240] close(3 [pid 5239] write(3, "1000", 4 [pid 5240] <... close resumed>) = 0 [pid 5239] <... write resumed>) = 4 [pid 5239] close(3 [pid 5240] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5239] <... close resumed>) = 0 [pid 5239] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5240] <... bpf resumed>) = 3 [pid 5240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5239] <... bpf resumed>) = 3 [pid 5240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5239] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5237] <... bpf resumed>) = 5 [pid 5240] <... bpf resumed>) = 5 [pid 5238] <... bpf resumed>) = 5 [pid 5236] <... bpf resumed>) = 5 [pid 5240] perf_event_open(NULL, 0, -1, -1, 0 [pid 5239] <... bpf resumed>) = 4 [pid 5238] perf_event_open(NULL, 0, -1, -1, 0 [pid 5237] perf_event_open(NULL, 0, -1, -1, 0 [pid 5236] perf_event_open(NULL, 0, -1, -1, 0 [pid 5240] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5237] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5236] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5238] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5236] exit_group(0 [pid 5238] exit_group(0 [pid 5237] exit_group(0 [pid 5240] exit_group(0 [pid 5236] <... exit_group resumed>) = ? [pid 5238] <... exit_group resumed>) = ? [pid 5240] <... exit_group resumed>) = ? [pid 5237] <... exit_group resumed>) = ? [pid 5239] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5239] perf_event_open(NULL, 0, -1, -1, 0 [pid 5240] +++ exited with 0 +++ [pid 5239] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5239] exit_group(0) = ? [pid 5237] +++ exited with 0 +++ [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5241 attached [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5241] set_robust_list(0x555555ab3660, 24 [pid 5238] +++ exited with 0 +++ [pid 5241] <... set_robust_list resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5242 attached [pid 5242] set_robust_list(0x555555ab3660, 24 [pid 5241] <... prctl resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5242] <... set_robust_list resumed>) = 0 [pid 5241] setpgid(0, 0./strace-static-x86_64: Process 5243 attached [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5241 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5242 [pid 5243] set_robust_list(0x555555ab3660, 24 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... setpgid resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5243 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5242] <... prctl resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5242] setpgid(0, 0 [pid 5243] <... prctl resumed>) = 0 [pid 5242] <... setpgid resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5243] setpgid(0, 0) = 0 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] write(3, "1000", 4 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5242] <... openat resumed>) = 3 [pid 5241] <... write resumed>) = 4 [pid 5243] <... openat resumed>) = 3 [pid 5242] write(3, "1000", 4 [pid 5241] close(3 [pid 5243] write(3, "1000", 4 [pid 5242] <... write resumed>) = 4 [pid 5241] <... close resumed>) = 0 [pid 5243] <... write resumed>) = 4 [pid 5242] close(3) = 0 [pid 5241] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5243] close(3 [pid 5242] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5243] <... close resumed>) = 0 [pid 5242] <... bpf resumed>) = 3 [pid 5241] <... bpf resumed>) = 3 [pid 5243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5241] <... bpf resumed>) = 4 [pid 5243] <... bpf resumed>) = 3 [pid 5241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5242] <... bpf resumed>) = 4 [pid 5242] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5243] <... bpf resumed>) = 4 [pid 5239] +++ exited with 0 +++ [pid 5236] +++ exited with 0 +++ [pid 5243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5244 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5244 ./strace-static-x86_64: Process 5245 attached [pid 5244] set_robust_list(0x555555ab3660, 24 [pid 5245] set_robust_list(0x555555ab3660, 24) = 0 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5243] <... bpf resumed>) = 5 [pid 5242] <... bpf resumed>) = 5 [pid 5241] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5245 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5243] perf_event_open(NULL, 0, -1, -1, 0 [pid 5242] perf_event_open(NULL, 0, -1, -1, 0 [pid 5241] perf_event_open(NULL, 0, -1, -1, 0 [pid 5245] <... prctl resumed>) = 0 [pid 5244] <... prctl resumed>) = 0 [pid 5243] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5242] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5241] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5245] setpgid(0, 0 [pid 5244] setpgid(0, 0 [pid 5243] exit_group(0 [pid 5242] exit_group(0 [pid 5241] exit_group(0 [pid 5245] <... setpgid resumed>) = 0 [pid 5244] <... setpgid resumed>) = 0 [pid 5243] <... exit_group resumed>) = ? [pid 5242] <... exit_group resumed>) = ? [pid 5241] <... exit_group resumed>) = ? [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5243] +++ exited with 0 +++ [pid 5242] +++ exited with 0 +++ [pid 5244] <... openat resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5241] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5245] <... openat resumed>) = 3 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5245] write(3, "1000", 4 [pid 5244] write(3, "1000", 4 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5245] <... write resumed>) = 4 [pid 5244] <... write resumed>) = 4 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5245] close(3 [pid 5244] close(3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5246 attached [pid 5245] <... close resumed>) = 0 [pid 5244] <... close resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5246] set_robust_list(0x555555ab3660, 24) = 0 [pid 5245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5244] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5246 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached ./strace-static-x86_64: Process 5248 attached [pid 5246] setpgid(0, 0 [pid 5245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5244] <... bpf resumed>) = 3 [pid 5247] set_robust_list(0x555555ab3660, 24 [pid 5246] <... setpgid resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5248 [pid 5245] <... bpf resumed>) = 4 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5248] set_robust_list(0x555555ab3660, 24 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] <... openat resumed>) = 3 [pid 5245] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5247 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5246] write(3, "1000", 4 [pid 5247] <... prctl resumed>) = 0 [pid 5246] <... write resumed>) = 4 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5247] setpgid(0, 0 [pid 5246] close(3 [pid 5248] <... prctl resumed>) = 0 [pid 5247] <... setpgid resumed>) = 0 [pid 5246] <... close resumed>) = 0 [pid 5244] <... bpf resumed>) = 4 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5246] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5244] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5248] setpgid(0, 0 [pid 5247] <... openat resumed>) = 3 [pid 5248] <... setpgid resumed>) = 0 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5247] write(3, "1000", 4 [pid 5246] <... bpf resumed>) = 3 [pid 5247] <... write resumed>) = 4 [pid 5247] close(3 [pid 5246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5247] <... close resumed>) = 0 [pid 5248] <... openat resumed>) = 3 [pid 5247] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5245] <... bpf resumed>) = 5 [pid 5248] write(3, "1000", 4 [pid 5246] <... bpf resumed>) = 4 [pid 5245] perf_event_open(NULL, 0, -1, -1, 0 [pid 5244] <... bpf resumed>) = 5 [pid 5248] <... write resumed>) = 4 [pid 5248] close(3) = 0 [pid 5247] <... bpf resumed>) = 3 [pid 5246] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5245] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5244] perf_event_open(NULL, 0, -1, -1, 0 [pid 5248] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5246] <... bpf resumed>) = 5 [pid 5245] exit_group(0 [pid 5244] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5247] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5244] exit_group(0 [pid 5248] <... bpf resumed>) = 3 [pid 5246] perf_event_open(NULL, 0, -1, -1, 0 [pid 5245] <... exit_group resumed>) = ? [pid 5247] <... bpf resumed>) = 4 [pid 5246] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5244] <... exit_group resumed>) = ? [pid 5248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5247] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5246] exit_group(0 [pid 5244] +++ exited with 0 +++ [pid 5246] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5248] <... bpf resumed>) = 4 [pid 5248] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached [pid 5249] set_robust_list(0x555555ab3660, 24 [pid 5246] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5249 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5249] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5249] <... setpgid resumed>) = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5251 attached ./strace-static-x86_64: Process 5250 attached [pid 5249] write(3, "1000", 4) = 4 [pid 5249] close(3 [pid 5251] set_robust_list(0x555555ab3660, 24 [pid 5250] set_robust_list(0x555555ab3660, 24 [pid 5249] <... close resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5251 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5250 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] <... bpf resumed>) = 3 [pid 5251] <... prctl resumed>) = 0 [pid 5250] <... prctl resumed>) = 0 [pid 5251] setpgid(0, 0 [pid 5250] setpgid(0, 0 [pid 5249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5251] <... setpgid resumed>) = 0 [pid 5250] <... setpgid resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] <... bpf resumed>) = 4 [pid 5251] <... openat resumed>) = 3 [pid 5250] <... openat resumed>) = 3 [pid 5248] <... bpf resumed>) = 5 [pid 5247] <... bpf resumed>) = 5 [pid 5248] perf_event_open(NULL, 0, -1, -1, 0 [pid 5247] perf_event_open(NULL, 0, -1, -1, 0 [pid 5250] write(3, "1000", 4 [pid 5248] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5251] write(3, "1000", 4 [pid 5250] <... write resumed>) = 4 [pid 5249] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5248] exit_group(0 [pid 5247] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5251] <... write resumed>) = 4 [pid 5250] close(3 [pid 5248] <... exit_group resumed>) = ? [pid 5249] <... bpf resumed>) = 5 [pid 5247] exit_group(0 [pid 5251] close(3 [pid 5250] <... close resumed>) = 0 [pid 5249] perf_event_open(NULL, 0, -1, -1, 0 [pid 5251] <... close resumed>) = 0 [pid 5250] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5249] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5251] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5250] <... bpf resumed>) = 3 [pid 5249] exit_group(0 [pid 5248] +++ exited with 0 +++ [pid 5247] <... exit_group resumed>) = ? [pid 5251] <... bpf resumed>) = 3 [pid 5249] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5251] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 ./strace-static-x86_64: Process 5252 attached [pid 5251] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5252] set_robust_list(0x555555ab3660, 24) = 0 [pid 5250] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5252 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5252] setpgid(0, 0) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5252] write(3, "1000", 4) = 4 [pid 5252] close(3) = 0 [pid 5249] +++ exited with 0 +++ [pid 5247] +++ exited with 0 +++ [pid 5252] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5252] <... bpf resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5254 attached [pid 5253] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5253 [pid 5254] set_robust_list(0x555555ab3660, 24) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5254 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5254] setpgid(0, 0) = 0 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5252] <... bpf resumed>) = 4 [pid 5251] <... bpf resumed>) = 5 [pid 5250] <... bpf resumed>) = 5 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] perf_event_open(NULL, 0, -1, -1, 0 [pid 5254] <... openat resumed>) = 3 [pid 5253] <... prctl resumed>) = 0 [pid 5251] perf_event_open(NULL, 0, -1, -1, 0 [pid 5250] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5252] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5251] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5251] exit_group(0 [pid 5250] exit_group(0 [pid 5254] write(3, "1000", 4 [pid 5252] <... bpf resumed>) = 5 [pid 5251] <... exit_group resumed>) = ? [pid 5250] <... exit_group resumed>) = ? [pid 5253] setpgid(0, 0 [pid 5254] <... write resumed>) = 4 [pid 5250] +++ exited with 0 +++ [pid 5254] close(3) = 0 [pid 5254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5253] <... setpgid resumed>) = 0 [pid 5252] perf_event_open(NULL, 0, -1, -1, 0 [pid 5254] <... bpf resumed>) = 3 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5252] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5253] <... openat resumed>) = 3 [pid 5252] exit_group(0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5255 attached [pid 5254] <... bpf resumed>) = 4 [pid 5253] write(3, "1000", 4 [pid 5252] <... exit_group resumed>) = ? [pid 5255] set_robust_list(0x555555ab3660, 24 [pid 5254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5253] <... write resumed>) = 4 [pid 5253] close(3) = 0 [pid 5253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5253] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5255 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5255] setpgid(0, 0 [pid 5253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5255] <... setpgid resumed>) = 0 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] <... bpf resumed>) = 4 [pid 5251] +++ exited with 0 +++ [pid 5255] <... openat resumed>) = 3 [pid 5252] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5255] write(3, "1000", 4) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5255] close(3) = 0 [pid 5253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached [pid 5255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5256 ./strace-static-x86_64: Process 5257 attached [pid 5256] set_robust_list(0x555555ab3660, 24 [pid 5255] <... bpf resumed>) = 3 [pid 5257] set_robust_list(0x555555ab3660, 24 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5257 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] <... bpf resumed>) = 4 [pid 5254] <... bpf resumed>) = 5 [pid 5253] <... bpf resumed>) = 5 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5256] <... prctl resumed>) = 0 [pid 5254] perf_event_open(NULL, 0, -1, -1, 0 [pid 5257] <... prctl resumed>) = 0 [pid 5256] setpgid(0, 0 [pid 5254] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5257] setpgid(0, 0 [pid 5256] <... setpgid resumed>) = 0 [pid 5254] exit_group(0 [pid 5253] perf_event_open(NULL, 0, -1, -1, 0 [pid 5257] <... setpgid resumed>) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5254] <... exit_group resumed>) = ? [pid 5253] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] <... openat resumed>) = 3 [pid 5255] <... bpf resumed>) = 5 [pid 5253] exit_group(0 [pid 5255] perf_event_open(NULL, 0, -1, -1, 0 [pid 5253] <... exit_group resumed>) = ? [pid 5257] <... openat resumed>) = 3 [pid 5256] write(3, "1000", 4 [pid 5254] +++ exited with 0 +++ [pid 5257] write(3, "1000", 4 [pid 5256] <... write resumed>) = 4 [pid 5257] <... write resumed>) = 4 [pid 5256] close(3 [pid 5255] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5257] close(3 [pid 5256] <... close resumed>) = 0 [pid 5255] exit_group(0 [pid 5257] <... close resumed>) = 0 [pid 5255] <... exit_group resumed>) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5257] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5256] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5257] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5258 attached [pid 5257] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5256] <... bpf resumed>) = 3 [pid 5258] set_robust_list(0x555555ab3660, 24) = 0 [pid 5256] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5258 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5257] <... bpf resumed>) = 4 [pid 5258] <... prctl resumed>) = 0 [pid 5257] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5256] <... bpf resumed>) = 4 [pid 5258] setpgid(0, 0) = 0 [pid 5257] <... bpf resumed>) = 5 [pid 5253] +++ exited with 0 +++ [pid 5257] perf_event_open(NULL, 0, -1, -1, 0 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5257] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5258] <... openat resumed>) = 3 [pid 5257] exit_group(0 [pid 5256] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5258] write(3, "1000", 4 [pid 5257] <... exit_group resumed>) = ? [pid 5074] <... restart_syscall resumed>) = 0 [pid 5258] <... write resumed>) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5259 attached [pid 5258] close(3 [pid 5259] set_robust_list(0x555555ab3660, 24 [pid 5258] <... close resumed>) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5259] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5259 [pid 5259] setpgid(0, 0 [pid 5258] <... bpf resumed>) = 3 [pid 5259] <... setpgid resumed>) = 0 [pid 5258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5258] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5259] <... openat resumed>) = 3 [pid 5256] <... bpf resumed>) = 5 [pid 5255] +++ exited with 0 +++ [pid 5259] write(3, "1000", 4 [pid 5256] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5259] <... write resumed>) = 4 [pid 5256] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5259] close(3 [pid 5256] exit_group(0 [pid 5259] <... close resumed>) = 0 [pid 5256] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5259] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5260 attached ) = 3 [pid 5260] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5260 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] <... bpf resumed>) = 5 [pid 5257] +++ exited with 0 +++ [pid 5260] <... prctl resumed>) = 0 [pid 5259] <... bpf resumed>) = 4 [pid 5258] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5260] setpgid(0, 0 [pid 5258] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5260] <... setpgid resumed>) = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5258] exit_group(0 [pid 5259] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5260] <... openat resumed>) = 3 [pid 5260] write(3, "1000", 4 [pid 5258] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5260] <... write resumed>) = 4 [pid 5260] close(3) = 0 ./strace-static-x86_64: Process 5261 attached [pid 5261] set_robust_list(0x555555ab3660, 24) = 0 [pid 5260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5261 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5261] setpgid(0, 0) = 0 [pid 5260] <... bpf resumed>) = 3 [pid 5260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] +++ exited with 0 +++ [pid 5259] <... bpf resumed>) = 5 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5261] <... openat resumed>) = 3 [pid 5259] perf_event_open(NULL, 0, -1, -1, 0 [pid 5261] write(3, "1000", 4 [pid 5260] <... bpf resumed>) = 4 [pid 5259] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5261] <... write resumed>) = 4 [pid 5260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5259] exit_group(0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5261] close(3 [pid 5259] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5262 attached [pid 5261] <... close resumed>) = 0 [pid 5262] set_robust_list(0x555555ab3660, 24 [pid 5261] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5262 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5262] setpgid(0, 0) = 0 [pid 5261] <... bpf resumed>) = 3 [pid 5261] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5258] +++ exited with 0 +++ [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5261] <... bpf resumed>) = 4 [pid 5260] <... bpf resumed>) = 5 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5260] perf_event_open(NULL, 0, -1, -1, 0 [pid 5262] <... openat resumed>) = 3 [pid 5261] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5260] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5263 attached [pid 5262] write(3, "1000", 4 [pid 5260] exit_group(0 [pid 5263] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5263 [pid 5260] <... exit_group resumed>) = ? [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] <... write resumed>) = 4 [pid 5262] close(3) = 0 [pid 5262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5262] <... bpf resumed>) = 3 [pid 5263] write(3, "1000", 4 [pid 5261] <... bpf resumed>) = 5 [pid 5259] +++ exited with 0 +++ [pid 5263] <... write resumed>) = 4 [pid 5263] close(3) = 0 [pid 5262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5261] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5263] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5262] <... bpf resumed>) = 4 [pid 5261] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5261] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5263] <... bpf resumed>) = 3 [pid 5261] <... exit_group resumed>) = ? [pid 5263] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5264 attached [pid 5264] set_robust_list(0x555555ab3660, 24 [pid 5263] <... bpf resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5264 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5263] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5264] setpgid(0, 0) = 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5264] write(3, "1000", 4) = 4 [pid 5264] close(3 [pid 5262] <... bpf resumed>) = 5 [pid 5260] +++ exited with 0 +++ [pid 5262] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5262] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5264] <... close resumed>) = 0 [pid 5262] exit_group(0 [pid 5264] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5262] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5264] <... bpf resumed>) = 3 [pid 5264] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5265 attached ) = 4 [pid 5263] <... bpf resumed>) = 5 [pid 5261] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5265 [pid 5265] set_robust_list(0x555555ab3660, 24 [pid 5263] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5263] exit_group(0) = ? [pid 5265] <... set_robust_list resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5264] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5265] setpgid(0, 0) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5265] <... openat resumed>) = 3 [pid 5265] write(3, "1000", 4./strace-static-x86_64: Process 5266 attached ) = 4 [pid 5266] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5266 [pid 5265] close(3 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] <... close resumed>) = 0 [pid 5263] +++ exited with 0 +++ [pid 5262] +++ exited with 0 +++ [pid 5265] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5266] <... prctl resumed>) = 0 [pid 5265] <... bpf resumed>) = 3 [pid 5266] setpgid(0, 0) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5267 attached [pid 5267] set_robust_list(0x555555ab3660, 24) = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5266] <... openat resumed>) = 3 [pid 5265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5264] <... bpf resumed>) = 5 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5267 [pid 5266] write(3, "1000", 4 [pid 5267] setpgid(0, 0 [pid 5264] perf_event_open(NULL, 0, -1, -1, 0 [pid 5267] <... setpgid resumed>) = 0 [pid 5264] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5264] exit_group(0./strace-static-x86_64: Process 5268 attached [pid 5267] <... openat resumed>) = 3 [pid 5266] <... write resumed>) = 4 [pid 5264] <... exit_group resumed>) = ? [pid 5268] set_robust_list(0x555555ab3660, 24 [pid 5266] close(3 [pid 5264] +++ exited with 0 +++ [pid 5268] <... set_robust_list resumed>) = 0 [pid 5267] write(3, "1000", 4 [pid 5266] <... close resumed>) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] <... write resumed>) = 4 [pid 5268] <... prctl resumed>) = 0 [pid 5267] close(3 [pid 5265] <... bpf resumed>) = 4 [pid 5268] setpgid(0, 0 [pid 5267] <... close resumed>) = 0 [pid 5266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5268] <... setpgid resumed>) = 0 [pid 5266] <... bpf resumed>) = 3 [pid 5265] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5268 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5269 attached [pid 5268] write(3, "1000", 4 [pid 5267] <... bpf resumed>) = 3 [pid 5269] set_robust_list(0x555555ab3660, 24 [pid 5268] <... write resumed>) = 4 [pid 5268] close(3 [pid 5269] <... set_robust_list resumed>) = 0 [pid 5268] <... close resumed>) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5268] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5269 [pid 5269] <... prctl resumed>) = 0 [pid 5266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5268] <... bpf resumed>) = 3 [pid 5269] setpgid(0, 0 [pid 5267] <... bpf resumed>) = 4 [pid 5266] <... bpf resumed>) = 4 [pid 5269] <... setpgid resumed>) = 0 [pid 5268] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5268] <... bpf resumed>) = 4 [pid 5269] <... openat resumed>) = 3 [pid 5268] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5269] write(3, "1000", 4) = 4 [pid 5269] close(3) = 0 [pid 5269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5265] <... bpf resumed>) = 5 [pid 5267] <... bpf resumed>) = 5 [pid 5265] perf_event_open(NULL, 0, -1, -1, 0 [pid 5266] <... bpf resumed>) = 5 [pid 5265] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5269] <... bpf resumed>) = 3 [pid 5268] <... bpf resumed>) = 5 [pid 5267] perf_event_open(NULL, 0, -1, -1, 0 [pid 5266] perf_event_open(NULL, 0, -1, -1, 0 [pid 5265] exit_group(0 [pid 5268] perf_event_open(NULL, 0, -1, -1, 0 [pid 5267] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5268] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5265] <... exit_group resumed>) = ? [pid 5268] exit_group(0 [pid 5267] exit_group(0 [pid 5266] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5265] +++ exited with 0 +++ [pid 5268] <... exit_group resumed>) = ? [pid 5267] <... exit_group resumed>) = ? [pid 5266] exit_group(0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5266] <... exit_group resumed>) = ? [pid 5267] +++ exited with 0 +++ [pid 5269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5270 attached [pid 5269] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5268] +++ exited with 0 +++ [pid 5266] +++ exited with 0 +++ ./strace-static-x86_64: Process 5271 attached [pid 5270] set_robust_list(0x555555ab3660, 24 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5270 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5271] set_robust_list(0x555555ab3660, 24 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5271] <... set_robust_list resumed>) = 0 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5271] <... prctl resumed>) = 0 [pid 5270] <... prctl resumed>) = 0 [pid 5271] setpgid(0, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5271] <... setpgid resumed>) = 0 [pid 5270] setpgid(0, 0) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5271 ./strace-static-x86_64: Process 5273 attached ./strace-static-x86_64: Process 5272 attached [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5273] set_robust_list(0x555555ab3660, 24 [pid 5272] set_robust_list(0x555555ab3660, 24 [pid 5271] <... openat resumed>) = 3 [pid 5270] <... openat resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5273 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5272 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5272] <... prctl resumed>) = 0 [pid 5270] write(3, "1000", 4 [pid 5273] <... prctl resumed>) = 0 [pid 5272] setpgid(0, 0 [pid 5271] write(3, "1000", 4 [pid 5270] <... write resumed>) = 4 [pid 5273] setpgid(0, 0) = 0 [pid 5272] <... setpgid resumed>) = 0 [pid 5271] <... write resumed>) = 4 [pid 5270] close(3 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5271] close(3 [pid 5270] <... close resumed>) = 0 [pid 5272] <... openat resumed>) = 3 [pid 5271] <... close resumed>) = 0 [pid 5270] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5269] <... bpf resumed>) = 5 [pid 5273] <... openat resumed>) = 3 [pid 5272] write(3, "1000", 4 [pid 5271] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5270] <... bpf resumed>) = 3 [pid 5273] write(3, "1000", 4 [pid 5272] <... write resumed>) = 4 [pid 5269] perf_event_open(NULL, 0, -1, -1, 0 [pid 5271] <... bpf resumed>) = 3 [pid 5273] <... write resumed>) = 4 [pid 5272] close(3 [pid 5269] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5273] close(3) = 0 [pid 5272] <... close resumed>) = 0 [pid 5270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5269] exit_group(0 [pid 5271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5273] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5269] <... exit_group resumed>) = ? [pid 5272] <... bpf resumed>) = 3 [pid 5271] <... bpf resumed>) = 4 [pid 5269] +++ exited with 0 +++ [pid 5273] <... bpf resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5270] <... bpf resumed>) = 4 [pid 5271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5270] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5274 attached [pid 5274] set_robust_list(0x555555ab3660, 24) = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5274 [pid 5274] <... prctl resumed>) = 0 [pid 5273] <... bpf resumed>) = 4 [pid 5272] <... bpf resumed>) = 4 [pid 5271] <... bpf resumed>) = 5 [pid 5270] <... bpf resumed>) = 5 [pid 5271] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5274] setpgid(0, 0 [pid 5273] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5271] exit_group(0 [pid 5270] perf_event_open(NULL, 0, -1, -1, 0 [pid 5274] <... setpgid resumed>) = 0 [pid 5273] <... bpf resumed>) = 5 [pid 5270] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5271] <... exit_group resumed>) = ? [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5273] perf_event_open(NULL, 0, -1, -1, 0 [pid 5272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5270] exit_group(0 [pid 5274] <... openat resumed>) = 3 [pid 5273] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5271] +++ exited with 0 +++ [pid 5274] write(3, "1000", 4 [pid 5273] exit_group(0 [pid 5272] <... bpf resumed>) = 5 [pid 5270] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5274] <... write resumed>) = 4 [pid 5273] <... exit_group resumed>) = ? [pid 5272] perf_event_open(NULL, 0, -1, -1, 0 [pid 5270] +++ exited with 0 +++ [pid 5274] close(3 [pid 5272] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5274] <... close resumed>) = 0 [pid 5272] exit_group(0 [pid 5274] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5272] <... exit_group resumed>) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5274] <... bpf resumed>) = 3 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached [pid 5274] <... bpf resumed>) = 4 [pid 5275] set_robust_list(0x555555ab3660, 24 [pid 5274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5275] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5276 attached [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5276] set_robust_list(0x555555ab3660, 24) = 0 [pid 5275] <... prctl resumed>) = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5275 [pid 5276] <... prctl resumed>) = 0 [pid 5275] <... setpgid resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5276 [pid 5276] setpgid(0, 0) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... openat resumed>) = 3 [pid 5275] write(3, "1000", 4 [pid 5276] <... openat resumed>) = 3 [pid 5273] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5276] write(3, "1000", 4 [pid 5275] <... write resumed>) = 4 [pid 5276] <... write resumed>) = 4 [pid 5275] close(3 [pid 5276] close(3 [pid 5275] <... close resumed>) = 0 [pid 5276] <... close resumed>) = 0 [pid 5275] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5275] <... bpf resumed>) = 3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5276] <... bpf resumed>) = 3 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5277 attached [pid 5276] <... bpf resumed>) = 4 [pid 5275] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5277] set_robust_list(0x555555ab3660, 24 [pid 5274] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5278 attached [pid 5277] <... set_robust_list resumed>) = 0 [pid 5274] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5277 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5278 [pid 5278] set_robust_list(0x555555ab3660, 24 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5275] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5274] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5278] <... set_robust_list resumed>) = 0 [pid 5277] <... prctl resumed>) = 0 [pid 5276] <... bpf resumed>) = 5 [pid 5275] <... bpf resumed>) = 5 [pid 5274] exit_group(0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5277] setpgid(0, 0 [pid 5276] perf_event_open(NULL, 0, -1, -1, 0 [pid 5275] perf_event_open(NULL, 0, -1, -1, 0 [pid 5274] <... exit_group resumed>) = ? [pid 5278] <... prctl resumed>) = 0 [pid 5277] <... setpgid resumed>) = 0 [pid 5276] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5275] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5276] exit_group(0 [pid 5275] exit_group(0 [pid 5276] <... exit_group resumed>) = ? [pid 5275] <... exit_group resumed>) = ? [pid 5278] setpgid(0, 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5274] +++ exited with 0 +++ [pid 5278] <... setpgid resumed>) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5277] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5277] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5278] <... openat resumed>) = 3 [pid 5277] <... write resumed>) = 4 [pid 5278] write(3, "1000", 4 [pid 5277] close(3./strace-static-x86_64: Process 5279 attached [pid 5278] <... write resumed>) = 4 [pid 5277] <... close resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5279 [pid 5279] set_robust_list(0x555555ab3660, 24 [pid 5278] close(3 [pid 5277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5276] +++ exited with 0 +++ [pid 5275] +++ exited with 0 +++ [pid 5279] <... set_robust_list resumed>) = 0 [pid 5278] <... close resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5279] <... prctl resumed>) = 0 [pid 5278] <... bpf resumed>) = 3 [pid 5277] <... bpf resumed>) = 3 [pid 5279] setpgid(0, 0) = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5280 attached [pid 5279] <... openat resumed>) = 3 [pid 5278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5277] <... bpf resumed>) = 4 [pid 5280] set_robust_list(0x555555ab3660, 24 [pid 5279] write(3, "1000", 4 [pid 5278] <... bpf resumed>) = 4 [pid 5277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] <... write resumed>) = 4 [pid 5280] <... prctl resumed>) = 0 [pid 5280] setpgid(0, 0 [pid 5279] close(3 [pid 5278] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5277] <... bpf resumed>) = 5 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5280 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5281 attached [pid 5280] <... setpgid resumed>) = 0 [pid 5279] <... close resumed>) = 0 [pid 5278] <... bpf resumed>) = 5 [pid 5277] perf_event_open(NULL, 0, -1, -1, 0 [pid 5281] set_robust_list(0x555555ab3660, 24 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5277] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] <... openat resumed>) = 3 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] <... bpf resumed>) = 3 [pid 5278] perf_event_open(NULL, 0, -1, -1, 0 [pid 5277] exit_group(0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5281 [pid 5280] write(3, "1000", 4 [pid 5281] <... prctl resumed>) = 0 [pid 5277] <... exit_group resumed>) = ? [pid 5280] <... write resumed>) = 4 [pid 5281] setpgid(0, 0 [pid 5278] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5278] exit_group(0) = ? [pid 5281] <... setpgid resumed>) = 0 [pid 5280] close(3 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] <... close resumed>) = 0 [pid 5279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5281] <... openat resumed>) = 3 [pid 5280] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5279] <... bpf resumed>) = 4 [pid 5278] +++ exited with 0 +++ [pid 5277] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5281] write(3, "1000", 4 [pid 5280] <... bpf resumed>) = 3 [pid 5279] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5281] <... write resumed>) = 4 [pid 5280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5281] close(3) = 0 [pid 5280] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5282 attached [pid 5281] <... bpf resumed>) = 3 [pid 5282] set_robust_list(0x555555ab3660, 24 [pid 5281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5282 ./strace-static-x86_64: Process 5283 attached [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5281] <... bpf resumed>) = 4 [pid 5280] <... bpf resumed>) = 5 [pid 5279] <... bpf resumed>) = 5 [pid 5283] set_robust_list(0x555555ab3660, 24 [pid 5282] <... prctl resumed>) = 0 [pid 5281] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5280] perf_event_open(NULL, 0, -1, -1, 0 [pid 5279] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5283 [pid 5283] <... set_robust_list resumed>) = 0 [pid 5282] setpgid(0, 0 [pid 5281] <... bpf resumed>) = 5 [pid 5280] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5279] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5282] <... setpgid resumed>) = 0 [pid 5281] perf_event_open(NULL, 0, -1, -1, 0 [pid 5280] exit_group(0 [pid 5279] exit_group(0 [pid 5283] <... prctl resumed>) = 0 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5281] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5280] <... exit_group resumed>) = ? [pid 5279] <... exit_group resumed>) = ? [pid 5283] setpgid(0, 0 [pid 5281] exit_group(0 [pid 5279] +++ exited with 0 +++ [pid 5282] <... openat resumed>) = 3 [pid 5283] <... setpgid resumed>) = 0 [pid 5282] write(3, "1000", 4 [pid 5281] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5282] <... write resumed>) = 4 [pid 5282] close(3 [pid 5283] <... openat resumed>) = 3 [pid 5282] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] write(3, "1000", 4 [pid 5282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5284 attached [pid 5283] <... write resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5284 [pid 5284] set_robust_list(0x555555ab3660, 24 [pid 5283] close(3 [pid 5282] <... bpf resumed>) = 3 [pid 5281] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ [pid 5284] <... set_robust_list resumed>) = 0 [pid 5283] <... close resumed>) = 0 [pid 5282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5284] <... prctl resumed>) = 0 [pid 5283] <... bpf resumed>) = 3 [pid 5282] <... bpf resumed>) = 4 [pid 5284] setpgid(0, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] <... setpgid resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5285 attached [pid 5285] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5286 attached [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5282] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5285 [pid 5284] <... openat resumed>) = 3 [pid 5286] set_robust_list(0x555555ab3660, 24 [pid 5285] <... set_robust_list resumed>) = 0 [pid 5282] perf_event_open(NULL, 0, -1, -1, 0 [pid 5286] <... set_robust_list resumed>) = 0 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5282] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5285] <... prctl resumed>) = 0 [pid 5282] exit_group(0 [pid 5286] <... prctl resumed>) = 0 [pid 5285] setpgid(0, 0 [pid 5282] <... exit_group resumed>) = ? [pid 5283] <... bpf resumed>) = 4 [pid 5286] setpgid(0, 0 [pid 5285] <... setpgid resumed>) = 0 [pid 5284] write(3, "1000", 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5286 [pid 5286] <... setpgid resumed>) = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5284] <... write resumed>) = 4 [pid 5284] close(3) = 0 [pid 5282] +++ exited with 0 +++ [pid 5284] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5285] <... openat resumed>) = 3 [pid 5286] <... openat resumed>) = 3 [pid 5285] write(3, "1000", 4 [pid 5284] <... bpf resumed>) = 3 [pid 5283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5286] write(3, "1000", 4 [pid 5285] <... write resumed>) = 4 [pid 5286] <... write resumed>) = 4 [pid 5285] close(3 [pid 5286] close(3 [pid 5285] <... close resumed>) = 0 [pid 5286] <... close resumed>) = 0 [pid 5285] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5287 attached [pid 5286] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5285] <... bpf resumed>) = 3 [pid 5284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5286] <... bpf resumed>) = 3 [pid 5285] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5284] <... bpf resumed>) = 4 [pid 5287] set_robust_list(0x555555ab3660, 24 [pid 5286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5287] <... prctl resumed>) = 0 [pid 5286] <... bpf resumed>) = 4 [pid 5285] <... bpf resumed>) = 4 [pid 5284] <... bpf resumed>) = 5 [pid 5283] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5287 [pid 5287] setpgid(0, 0 [pid 5286] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5285] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5283] perf_event_open(NULL, 0, -1, -1, 0 [pid 5287] <... setpgid resumed>) = 0 [pid 5286] <... bpf resumed>) = 5 [pid 5285] <... bpf resumed>) = 5 [pid 5284] perf_event_open(NULL, 0, -1, -1, 0 [pid 5283] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5286] perf_event_open(NULL, 0, -1, -1, 0 [pid 5285] perf_event_open(NULL, 0, -1, -1, 0 [pid 5284] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5283] exit_group(0 [pid 5287] <... openat resumed>) = 3 [pid 5286] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5285] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5284] exit_group(0 [pid 5283] <... exit_group resumed>) = ? [pid 5287] write(3, "1000", 4 [pid 5286] exit_group(0 [pid 5285] exit_group(0 [pid 5284] <... exit_group resumed>) = ? [pid 5287] <... write resumed>) = 4 [pid 5286] <... exit_group resumed>) = ? [pid 5285] <... exit_group resumed>) = ? [pid 5284] +++ exited with 0 +++ [pid 5283] +++ exited with 0 +++ [pid 5287] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5287] <... close resumed>) = 0 ./strace-static-x86_64: Process 5288 attached [pid 5287] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5288] set_robust_list(0x555555ab3660, 24) = 0 [pid 5287] <... bpf resumed>) = 3 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5287] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5288] <... prctl resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5288 [pid 5287] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5289 attached [pid 5288] setpgid(0, 0 [pid 5287] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5289] set_robust_list(0x555555ab3660, 24 [pid 5288] <... setpgid resumed>) = 0 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5289 [pid 5288] <... openat resumed>) = 3 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5288] write(3, "1000", 4 [pid 5286] +++ exited with 0 +++ [pid 5285] +++ exited with 0 +++ [pid 5288] <... write resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5289] setpgid(0, 0 [pid 5288] close(3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5289] <... setpgid resumed>) = 0 [pid 5288] <... close resumed>) = 0 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5290 attached [pid 5289] <... openat resumed>) = 3 [pid 5289] write(3, "1000", 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5290 [pid 5290] set_robust_list(0x555555ab3660, 24 [pid 5289] <... write resumed>) = 4 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5289] close(3 [pid 5288] <... bpf resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5289] <... close resumed>) = 0 [pid 5288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5288] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5291 attached [pid 5290] <... prctl resumed>) = 0 [pid 5290] setpgid(0, 0) = 0 [pid 5289] <... bpf resumed>) = 3 [pid 5291] set_robust_list(0x555555ab3660, 24 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5291 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5290] <... openat resumed>) = 3 [pid 5290] write(3, "1000", 4 [pid 5291] <... prctl resumed>) = 0 [pid 5290] <... write resumed>) = 4 [pid 5289] <... bpf resumed>) = 4 [pid 5291] setpgid(0, 0 [pid 5290] close(3 [pid 5289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5291] <... setpgid resumed>) = 0 [pid 5290] <... close resumed>) = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5290] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5291] <... openat resumed>) = 3 [pid 5291] write(3, "1000", 4) = 4 [pid 5291] close(3) = 0 [pid 5291] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5290] <... bpf resumed>) = 3 [pid 5291] <... bpf resumed>) = 3 [pid 5290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5290] <... bpf resumed>) = 4 [pid 5289] <... bpf resumed>) = 5 [pid 5288] <... bpf resumed>) = 5 [pid 5287] <... bpf resumed>) = 5 [pid 5289] perf_event_open(NULL, 0, -1, -1, 0 [pid 5288] perf_event_open(NULL, 0, -1, -1, 0 [pid 5287] perf_event_open(NULL, 0, -1, -1, 0 [pid 5289] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5288] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5287] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5290] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5288] exit_group(0 [pid 5289] exit_group(0 [pid 5287] exit_group(0 [pid 5291] <... bpf resumed>) = 4 [pid 5290] <... bpf resumed>) = 5 [pid 5289] <... exit_group resumed>) = ? [pid 5288] <... exit_group resumed>) = ? [pid 5287] <... exit_group resumed>) = ? [pid 5291] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5290] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5290] exit_group(0) = ? [pid 5291] <... bpf resumed>) = 5 [pid 5290] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5291] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5291] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5291] exit_group(0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5292 attached [pid 5291] <... exit_group resumed>) = ? [pid 5289] +++ exited with 0 +++ ./strace-static-x86_64: Process 5293 attached [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5292] set_robust_list(0x555555ab3660, 24 [pid 5291] +++ exited with 0 +++ [pid 5288] +++ exited with 0 +++ [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5292 [pid 5292] <... set_robust_list resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5293] set_robust_list(0x555555ab3660, 24 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] <... set_robust_list resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5292] <... prctl resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] setpgid(0, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached ./strace-static-x86_64: Process 5294 attached [pid 5293] <... prctl resumed>) = 0 [pid 5292] <... setpgid resumed>) = 0 [pid 5295] set_robust_list(0x555555ab3660, 24 [pid 5294] set_robust_list(0x555555ab3660, 24 [pid 5293] setpgid(0, 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5293 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5293] <... setpgid resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5294 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5295 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5295] <... prctl resumed>) = 0 [pid 5294] <... prctl resumed>) = 0 [pid 5295] setpgid(0, 0 [pid 5294] setpgid(0, 0 [pid 5293] <... openat resumed>) = 3 [pid 5292] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5296 attached [pid 5295] <... setpgid resumed>) = 0 [pid 5294] <... setpgid resumed>) = 0 [pid 5293] write(3, "1000", 4 [pid 5292] write(3, "1000", 4 [pid 5296] set_robust_list(0x555555ab3660, 24 [pid 5292] <... write resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5296 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5293] <... write resumed>) = 4 [pid 5292] close(3 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5295] <... openat resumed>) = 3 [pid 5294] <... openat resumed>) = 3 [pid 5293] close(3 [pid 5292] <... close resumed>) = 0 [pid 5295] write(3, "1000", 4 [pid 5294] write(3, "1000", 4 [pid 5293] <... close resumed>) = 0 [pid 5292] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5295] <... write resumed>) = 4 [pid 5294] <... write resumed>) = 4 [pid 5293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5295] close(3 [pid 5294] close(3 [pid 5296] <... prctl resumed>) = 0 [pid 5295] <... close resumed>) = 0 [pid 5294] <... close resumed>) = 0 [pid 5293] <... bpf resumed>) = 3 [pid 5296] setpgid(0, 0 [pid 5295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5294] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5296] <... setpgid resumed>) = 0 [pid 5293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5292] <... bpf resumed>) = 3 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5294] <... bpf resumed>) = 3 [pid 5292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5296] <... openat resumed>) = 3 [pid 5295] <... bpf resumed>) = 3 [pid 5294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5293] <... bpf resumed>) = 4 [pid 5292] <... bpf resumed>) = 4 [pid 5296] write(3, "1000", 4 [pid 5295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5296] <... write resumed>) = 4 [pid 5294] <... bpf resumed>) = 4 [pid 5292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5296] close(3 [pid 5295] <... bpf resumed>) = 4 [pid 5294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5293] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5292] <... bpf resumed>) = 5 [pid 5296] <... close resumed>) = 0 [pid 5295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5294] <... bpf resumed>) = 5 [pid 5293] <... bpf resumed>) = 5 [pid 5296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5295] <... bpf resumed>) = 5 [pid 5294] perf_event_open(NULL, 0, -1, -1, 0 [pid 5293] perf_event_open(NULL, 0, -1, -1, 0 [pid 5292] perf_event_open(NULL, 0, -1, -1, 0 [pid 5296] <... bpf resumed>) = 3 [pid 5295] perf_event_open(NULL, 0, -1, -1, 0 [pid 5294] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5293] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5292] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5295] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5294] exit_group(0 [pid 5295] exit_group(0 [pid 5294] <... exit_group resumed>) = ? [pid 5293] exit_group(0 [pid 5295] <... exit_group resumed>) = ? [pid 5296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5293] <... exit_group resumed>) = ? [pid 5292] exit_group(0 [pid 5296] <... bpf resumed>) = 4 [pid 5295] +++ exited with 0 +++ [pid 5294] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5292] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5298 attached ./strace-static-x86_64: Process 5297 attached [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5298] set_robust_list(0x555555ab3660, 24 [pid 5297] set_robust_list(0x555555ab3660, 24 [pid 5292] +++ exited with 0 +++ [pid 5297] <... set_robust_list resumed>) = 0 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5297] <... prctl resumed>) = 0 [pid 5297] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5297 [pid 5298] <... prctl resumed>) = 0 [pid 5297] <... setpgid resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5298 ./strace-static-x86_64: Process 5299 attached [pid 5298] setpgid(0, 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5299 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] set_robust_list(0x555555ab3660, 24 [pid 5298] <... setpgid resumed>) = 0 [pid 5297] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5300 attached [pid 5299] <... set_robust_list resumed>) = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] write(3, "1000", 4 [pid 5296] <... bpf resumed>) = 5 [pid 5300] set_robust_list(0x555555ab3660, 24 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] <... openat resumed>) = 3 [pid 5297] <... write resumed>) = 4 [pid 5296] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5300 [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] <... prctl resumed>) = 0 [pid 5298] write(3, "1000", 4 [pid 5297] close(3 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5299] setpgid(0, 0 [pid 5298] <... write resumed>) = 4 [pid 5297] <... close resumed>) = 0 [pid 5296] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5300] <... prctl resumed>) = 0 [pid 5299] <... setpgid resumed>) = 0 [pid 5298] close(3 [pid 5297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5296] exit_group(0 [pid 5300] setpgid(0, 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5298] <... close resumed>) = 0 [pid 5297] <... bpf resumed>) = 3 [pid 5296] <... exit_group resumed>) = ? [pid 5300] <... setpgid resumed>) = 0 [pid 5299] <... openat resumed>) = 3 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] write(3, "1000", 4 [pid 5298] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5296] +++ exited with 0 +++ [pid 5300] <... openat resumed>) = 3 [pid 5299] <... write resumed>) = 4 [pid 5300] write(3, "1000", 4 [pid 5299] close(3 [pid 5298] <... bpf resumed>) = 3 [pid 5297] <... bpf resumed>) = 4 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5300] <... write resumed>) = 4 [pid 5299] <... close resumed>) = 0 [pid 5298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5300] close(3 [pid 5299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5298] <... bpf resumed>) = 4 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5300] <... close resumed>) = 0 [pid 5299] <... bpf resumed>) = 3 [pid 5298] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5300] <... bpf resumed>) = 3 [pid 5299] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5301 attached [pid 5300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5301] set_robust_list(0x555555ab3660, 24) = 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5301 [pid 5301] <... prctl resumed>) = 0 [pid 5300] <... bpf resumed>) = 4 [pid 5300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5301] setpgid(0, 0 [pid 5300] <... bpf resumed>) = 5 [pid 5299] <... bpf resumed>) = 5 [pid 5298] <... bpf resumed>) = 5 [pid 5297] <... bpf resumed>) = 5 [pid 5301] <... setpgid resumed>) = 0 [pid 5300] perf_event_open(NULL, 0, -1, -1, 0 [pid 5299] perf_event_open(NULL, 0, -1, -1, 0 [pid 5298] perf_event_open(NULL, 0, -1, -1, 0 [pid 5297] perf_event_open(NULL, 0, -1, -1, 0 [pid 5300] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5299] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5298] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5299] exit_group(0 [pid 5298] exit_group(0 [pid 5297] exit_group(0 [pid 5300] exit_group(0 [pid 5301] <... openat resumed>) = 3 [pid 5299] <... exit_group resumed>) = ? [pid 5298] <... exit_group resumed>) = ? [pid 5297] <... exit_group resumed>) = ? [pid 5300] <... exit_group resumed>) = ? [pid 5299] +++ exited with 0 +++ [pid 5297] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5303 attached ./strace-static-x86_64: Process 5302 attached [pid 5301] write(3, "1000", 4 [pid 5303] set_robust_list(0x555555ab3660, 24 [pid 5302] set_robust_list(0x555555ab3660, 24 [pid 5301] <... write resumed>) = 4 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] <... set_robust_list resumed>) = 0 [pid 5301] close(3 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] <... prctl resumed>) = 0 [pid 5301] <... close resumed>) = 0 [pid 5303] setpgid(0, 0 [pid 5302] <... prctl resumed>) = 0 [pid 5301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5303] <... setpgid resumed>) = 0 [pid 5302] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5302 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5303 [pid 5302] <... setpgid resumed>) = 0 [pid 5301] <... bpf resumed>) = 3 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5300] +++ exited with 0 +++ [pid 5298] +++ exited with 0 +++ [pid 5303] <... openat resumed>) = 3 [pid 5302] <... openat resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] write(3, "1000", 4 [pid 5302] write(3, "1000", 4 [pid 5301] <... bpf resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] <... write resumed>) = 4 [pid 5302] <... write resumed>) = 4 [pid 5301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5303] close(3 [pid 5302] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5305 attached ./strace-static-x86_64: Process 5304 attached [pid 5303] <... close resumed>) = 0 [pid 5302] <... close resumed>) = 0 [pid 5305] set_robust_list(0x555555ab3660, 24 [pid 5304] set_robust_list(0x555555ab3660, 24 [pid 5303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5305] <... set_robust_list resumed>) = 0 [pid 5304] <... set_robust_list resumed>) = 0 [pid 5302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5304 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5305] <... prctl resumed>) = 0 [pid 5304] <... prctl resumed>) = 0 [pid 5303] <... bpf resumed>) = 3 [pid 5302] <... bpf resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5305 [pid 5305] setpgid(0, 0 [pid 5304] setpgid(0, 0) = 0 [pid 5305] <... setpgid resumed>) = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5305] <... openat resumed>) = 3 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5305] write(3, "1000", 4 [pid 5304] <... openat resumed>) = 3 [pid 5303] <... bpf resumed>) = 4 [pid 5302] <... bpf resumed>) = 4 [pid 5305] <... write resumed>) = 4 [pid 5304] write(3, "1000", 4 [pid 5302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5305] close(3 [pid 5304] <... write resumed>) = 4 [pid 5303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5302] <... bpf resumed>) = 5 [pid 5301] <... bpf resumed>) = 5 [pid 5305] <... close resumed>) = 0 [pid 5304] close(3 [pid 5303] <... bpf resumed>) = 5 [pid 5302] perf_event_open(NULL, 0, -1, -1, 0 [pid 5301] perf_event_open(NULL, 0, -1, -1, 0 [pid 5305] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5304] <... close resumed>) = 0 [pid 5303] perf_event_open(NULL, 0, -1, -1, 0 [pid 5302] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5301] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5303] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5305] <... bpf resumed>) = 3 [pid 5303] exit_group(0 [pid 5302] exit_group(0 [pid 5301] exit_group(0 [pid 5303] <... exit_group resumed>) = ? [pid 5305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5304] <... bpf resumed>) = 3 [pid 5303] +++ exited with 0 +++ [pid 5302] <... exit_group resumed>) = ? [pid 5301] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5302] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5305] <... bpf resumed>) = 4 [pid 5304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5301] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5306 attached [pid 5305] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5304] <... bpf resumed>) = 4 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5306] set_robust_list(0x555555ab3660, 24) = 0 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5307 attached [pid 5306] setpgid(0, 0 [pid 5304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5307] set_robust_list(0x555555ab3660, 24 [pid 5306] <... setpgid resumed>) = 0 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5306 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5306] <... openat resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5307 ./strace-static-x86_64: Process 5308 attached [pid 5307] <... prctl resumed>) = 0 [pid 5306] write(3, "1000", 4 [pid 5305] <... bpf resumed>) = 5 [pid 5304] <... bpf resumed>) = 5 [pid 5308] set_robust_list(0x555555ab3660, 24 [pid 5307] setpgid(0, 0 [pid 5306] <... write resumed>) = 4 [pid 5304] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5308 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5307] <... setpgid resumed>) = 0 [pid 5306] close(3 [pid 5305] perf_event_open(NULL, 0, -1, -1, 0 [pid 5304] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5306] <... close resumed>) = 0 [pid 5305] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5304] exit_group(0 [pid 5308] <... prctl resumed>) = 0 [pid 5307] <... openat resumed>) = 3 [pid 5306] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5305] exit_group(0 [pid 5304] <... exit_group resumed>) = ? [pid 5308] setpgid(0, 0 [pid 5307] write(3, "1000", 4 [pid 5308] <... setpgid resumed>) = 0 [pid 5305] <... exit_group resumed>) = ? [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5306] <... bpf resumed>) = 3 [pid 5308] <... openat resumed>) = 3 [pid 5307] <... write resumed>) = 4 [pid 5308] write(3, "1000", 4) = 4 [pid 5308] close(3) = 0 [pid 5307] close(3 [pid 5306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5307] <... close resumed>) = 0 [pid 5308] <... bpf resumed>) = 3 [pid 5306] <... bpf resumed>) = 4 [pid 5307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5307] <... bpf resumed>) = 3 [pid 5305] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ [pid 5308] <... bpf resumed>) = 4 [pid 5307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5307] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5309 [pid 5307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5309 attached [pid 5308] <... bpf resumed>) = 5 [pid 5306] <... bpf resumed>) = 5 [pid 5307] <... bpf resumed>) = 5 [pid 5306] perf_event_open(NULL, 0, -1, -1, 0 [pid 5307] perf_event_open(NULL, 0, -1, -1, 0 [pid 5306] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5307] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5306] exit_group(0 [pid 5307] exit_group(0) = ? [pid 5306] <... exit_group resumed>) = ? [pid 5307] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5309] set_robust_list(0x555555ab3660, 24 [pid 5308] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5309] <... set_robust_list resumed>) = 0 [pid 5308] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5308] exit_group(0 [pid 5309] <... prctl resumed>) = 0 [pid 5308] <... exit_group resumed>) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5309] setpgid(0, 0./strace-static-x86_64: Process 5310 attached [pid 5310] set_robust_list(0x555555ab3660, 24 [pid 5309] <... setpgid resumed>) = 0 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5310] setpgid(0, 0./strace-static-x86_64: Process 5311 attached ) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5308] +++ exited with 0 +++ [pid 5306] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5310 [pid 5311] set_robust_list(0x555555ab3660, 24 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5309] <... openat resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5311 [pid 5311] <... set_robust_list resumed>) = 0 [pid 5309] write(3, "1000", 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5310] <... openat resumed>) = 3 [pid 5309] <... write resumed>) = 4 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5311] <... prctl resumed>) = 0 [pid 5310] write(3, "1000", 4 [pid 5309] close(3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... restart_syscall resumed>) = 0 [pid 5311] setpgid(0, 0 [pid 5309] <... close resumed>) = 0 ./strace-static-x86_64: Process 5312 attached [pid 5310] <... write resumed>) = 4 [pid 5311] <... setpgid resumed>) = 0 [pid 5309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5312] set_robust_list(0x555555ab3660, 24 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5310] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5313 attached [pid 5312] <... set_robust_list resumed>) = 0 [pid 5311] <... openat resumed>) = 3 [pid 5310] <... close resumed>) = 0 [pid 5309] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5312 [pid 5311] write(3, "1000", 4 [pid 5310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5313 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] set_robust_list(0x555555ab3660, 24 [pid 5312] <... prctl resumed>) = 0 [pid 5311] <... write resumed>) = 4 [pid 5309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] setpgid(0, 0 [pid 5311] close(3 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5311] <... close resumed>) = 0 [pid 5310] <... bpf resumed>) = 3 [pid 5313] <... prctl resumed>) = 0 [pid 5312] <... setpgid resumed>) = 0 [pid 5311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5309] <... bpf resumed>) = 4 [pid 5313] setpgid(0, 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5313] <... setpgid resumed>) = 0 [pid 5312] <... openat resumed>) = 3 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5312] write(3, "1000", 4 [pid 5310] <... bpf resumed>) = 4 [pid 5309] <... bpf resumed>) = 5 [pid 5313] write(3, "1000", 4 [pid 5312] <... write resumed>) = 4 [pid 5311] <... bpf resumed>) = 3 [pid 5310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5309] perf_event_open(NULL, 0, -1, -1, 0 [pid 5313] <... write resumed>) = 4 [pid 5312] close(3 [pid 5311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5310] <... bpf resumed>) = 5 [pid 5309] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5313] close(3 [pid 5312] <... close resumed>) = 0 [pid 5311] <... bpf resumed>) = 4 [pid 5310] perf_event_open(NULL, 0, -1, -1, 0 [pid 5309] exit_group(0 [pid 5313] <... close resumed>) = 0 [pid 5312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5310] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5309] <... exit_group resumed>) = ? [pid 5313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5311] <... bpf resumed>) = 5 [pid 5310] exit_group(0 [pid 5311] perf_event_open(NULL, 0, -1, -1, 0 [pid 5312] <... bpf resumed>) = 3 [pid 5311] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5311] exit_group(0) = ? [pid 5309] +++ exited with 0 +++ [pid 5310] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5313] <... bpf resumed>) = 3 [pid 5312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5312] <... bpf resumed>) = 4 [pid 5312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5314 attached , child_tidptr=0x555555ab3650) = 5314 [pid 5314] set_robust_list(0x555555ab3660, 24 [pid 5311] +++ exited with 0 +++ [pid 5310] +++ exited with 0 +++ [pid 5314] <... set_robust_list resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5314] setpgid(0, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5315 attached ./strace-static-x86_64: Process 5316 attached [pid 5315] set_robust_list(0x555555ab3660, 24 [pid 5314] <... setpgid resumed>) = 0 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5316] set_robust_list(0x555555ab3660, 24 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] <... prctl resumed>) = 0 [pid 5314] <... openat resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5315 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] setpgid(0, 0 [pid 5314] write(3, "1000", 4 [pid 5316] <... prctl resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5316 [pid 5315] <... setpgid resumed>) = 0 [pid 5314] <... write resumed>) = 4 [pid 5314] close(3 [pid 5316] setpgid(0, 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] <... close resumed>) = 0 [pid 5316] <... setpgid resumed>) = 0 [pid 5314] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5315] <... openat resumed>) = 3 [pid 5316] <... openat resumed>) = 3 [pid 5315] write(3, "1000", 4 [pid 5314] <... bpf resumed>) = 3 [pid 5316] write(3, "1000", 4 [pid 5315] <... write resumed>) = 4 [pid 5316] <... write resumed>) = 4 [pid 5315] close(3 [pid 5316] close(3 [pid 5315] <... close resumed>) = 0 [pid 5316] <... close resumed>) = 0 [pid 5315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5315] <... bpf resumed>) = 3 [pid 5314] <... bpf resumed>) = 4 [pid 5313] <... bpf resumed>) = 5 [pid 5312] <... bpf resumed>) = 5 [pid 5316] <... bpf resumed>) = 3 [pid 5316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5313] perf_event_open(NULL, 0, -1, -1, 0 [pid 5312] perf_event_open(NULL, 0, -1, -1, 0 [pid 5314] <... bpf resumed>) = 5 [pid 5313] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5312] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5312] exit_group(0) = ? [pid 5315] <... bpf resumed>) = 4 [pid 5316] <... bpf resumed>) = 4 [pid 5315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5313] exit_group(0 [pid 5312] +++ exited with 0 +++ [pid 5316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5315] <... bpf resumed>) = 5 [pid 5314] perf_event_open(NULL, 0, -1, -1, 0 [pid 5313] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5316] <... bpf resumed>) = 5 [pid 5315] perf_event_open(NULL, 0, -1, -1, 0 [pid 5314] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5313] +++ exited with 0 +++ [pid 5316] perf_event_open(NULL, 0, -1, -1, 0 [pid 5315] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5314] exit_group(0 [pid 5316] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5315] exit_group(0 [pid 5314] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5316] exit_group(0 [pid 5315] <... exit_group resumed>) = ? [pid 5314] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5317 attached ./strace-static-x86_64: Process 5318 attached [pid 5316] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5317] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5318 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5317 [pid 5318] set_robust_list(0x555555ab3660, 24 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5316] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5319 attached [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5319 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5320 attached [pid 5319] set_robust_list(0x555555ab3660, 24 [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5317] <... prctl resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5320] set_robust_list(0x555555ab3660, 24 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] <... prctl resumed>) = 0 [pid 5317] setpgid(0, 0./strace-static-x86_64: Process 5321 attached [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5318] setpgid(0, 0 [pid 5317] <... setpgid resumed>) = 0 [pid 5321] set_robust_list(0x555555ab3660, 24 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] <... prctl resumed>) = 0 [pid 5318] <... setpgid resumed>) = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5320 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5320] <... prctl resumed>) = 0 [pid 5319] setpgid(0, 0 [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] setpgid(0, 0 [pid 5319] <... setpgid resumed>) = 0 [pid 5318] <... openat resumed>) = 3 [pid 5317] <... openat resumed>) = 3 [pid 5321] <... prctl resumed>) = 0 [pid 5320] <... setpgid resumed>) = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5318] write(3, "1000", 4 [pid 5317] write(3, "1000", 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5321 [pid 5321] setpgid(0, 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5318] <... write resumed>) = 4 [pid 5317] <... write resumed>) = 4 [pid 5321] <... setpgid resumed>) = 0 [pid 5320] <... openat resumed>) = 3 [pid 5319] <... openat resumed>) = 3 [pid 5318] close(3 [pid 5317] close(3 [pid 5320] write(3, "1000", 4 [pid 5318] <... close resumed>) = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... write resumed>) = 4 [pid 5319] write(3, "1000", 4 [pid 5318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5317] <... close resumed>) = 0 [pid 5321] <... openat resumed>) = 3 [pid 5320] close(3 [pid 5319] <... write resumed>) = 4 [pid 5318] <... bpf resumed>) = 3 [pid 5317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5321] write(3, "1000", 4 [pid 5320] <... close resumed>) = 0 [pid 5319] close(3 [pid 5320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5321] <... write resumed>) = 4 [pid 5319] <... close resumed>) = 0 [pid 5318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5321] close(3 [pid 5320] <... bpf resumed>) = 3 [pid 5319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5318] <... bpf resumed>) = 4 [pid 5317] <... bpf resumed>) = 3 [pid 5321] <... close resumed>) = 0 [pid 5318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5319] <... bpf resumed>) = 3 [pid 5321] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5318] <... bpf resumed>) = 5 [pid 5321] <... bpf resumed>) = 3 [pid 5318] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5318] exit_group(0) = ? [pid 5321] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5320] <... bpf resumed>) = 4 [pid 5319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5317] <... bpf resumed>) = 4 [pid 5321] <... bpf resumed>) = 4 [pid 5320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5318] +++ exited with 0 +++ [pid 5317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5321] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5319] <... bpf resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5322 attached [pid 5322] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5322 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5321] <... bpf resumed>) = 5 [pid 5320] <... bpf resumed>) = 5 [pid 5319] <... bpf resumed>) = 5 [pid 5317] <... bpf resumed>) = 5 [pid 5321] perf_event_open(NULL, 0, -1, -1, 0 [pid 5317] perf_event_open(NULL, 0, -1, -1, 0 [pid 5321] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5321] exit_group(0 [pid 5320] perf_event_open(NULL, 0, -1, -1, 0 [pid 5319] perf_event_open(NULL, 0, -1, -1, 0 [pid 5317] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5322] <... prctl resumed>) = 0 [pid 5320] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5319] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5322] setpgid(0, 0 [pid 5321] <... exit_group resumed>) = ? [pid 5320] exit_group(0 [pid 5319] exit_group(0 [pid 5322] <... setpgid resumed>) = 0 [pid 5320] <... exit_group resumed>) = ? [pid 5319] <... exit_group resumed>) = ? [pid 5317] exit_group(0 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5321] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5317] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5323 attached [pid 5323] set_robust_list(0x555555ab3660, 24 [pid 5322] <... openat resumed>) = 3 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5323] <... prctl resumed>) = 0 [pid 5322] write(3, "1000", 4./strace-static-x86_64: Process 5324 attached ) = 4 [pid 5322] close(3) = 0 [pid 5322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5324] set_robust_list(0x555555ab3660, 24 [pid 5323] setpgid(0, 0 [pid 5322] <... bpf resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5324 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5323 [pid 5324] <... set_robust_list resumed>) = 0 [pid 5323] <... setpgid resumed>) = 0 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5324] <... prctl resumed>) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] +++ exited with 0 +++ [pid 5317] +++ exited with 0 +++ [pid 5324] setpgid(0, 0 [pid 5323] <... openat resumed>) = 3 [pid 5322] <... bpf resumed>) = 4 [pid 5324] <... setpgid resumed>) = 0 [pid 5323] write(3, "1000", 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5323] <... write resumed>) = 4 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5324] <... openat resumed>) = 3 [pid 5323] close(3 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5324] write(3, "1000", 4 [pid 5323] <... close resumed>) = 0 [pid 5322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5324] <... write resumed>) = 4 [pid 5323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5324] close(3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5324] <... close resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5324] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5325 attached [pid 5323] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5326 attached [pid 5325] set_robust_list(0x555555ab3660, 24 [pid 5324] <... bpf resumed>) = 3 [pid 5323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5325 [pid 5325] <... set_robust_list resumed>) = 0 [pid 5324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5326] set_robust_list(0x555555ab3660, 24 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5323] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5326 [pid 5326] <... set_robust_list resumed>) = 0 [pid 5325] <... prctl resumed>) = 0 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5325] setpgid(0, 0 [pid 5323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5326] <... prctl resumed>) = 0 [pid 5325] <... setpgid resumed>) = 0 [pid 5324] <... bpf resumed>) = 4 [pid 5326] setpgid(0, 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5322] <... bpf resumed>) = 5 [pid 5326] <... setpgid resumed>) = 0 [pid 5325] <... openat resumed>) = 3 [pid 5324] <... bpf resumed>) = 5 [pid 5323] <... bpf resumed>) = 5 [pid 5322] perf_event_open(NULL, 0, -1, -1, 0 [pid 5325] write(3, "1000", 4 [pid 5324] perf_event_open(NULL, 0, -1, -1, 0 [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5325] <... write resumed>) = 4 [pid 5324] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5323] perf_event_open(NULL, 0, -1, -1, 0 [pid 5326] <... openat resumed>) = 3 [pid 5325] close(3 [pid 5324] exit_group(0 [pid 5323] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5322] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5326] write(3, "1000", 4 [pid 5325] <... close resumed>) = 0 [pid 5324] <... exit_group resumed>) = ? [pid 5323] exit_group(0 [pid 5322] exit_group(0 [pid 5326] <... write resumed>) = 4 [pid 5322] <... exit_group resumed>) = ? [pid 5326] close(3 [pid 5325] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5324] +++ exited with 0 +++ [pid 5323] <... exit_group resumed>) = ? [pid 5326] <... close resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5325] <... bpf resumed>) = 3 [pid 5326] <... bpf resumed>) = 3 [pid 5326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5327 attached [pid 5326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5327] set_robust_list(0x555555ab3660, 24) = 0 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5327] <... prctl resumed>) = 0 [pid 5325] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5327 [pid 5327] setpgid(0, 0) = 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5323] +++ exited with 0 +++ [pid 5322] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5327] <... openat resumed>) = 3 [pid 5327] write(3, "1000", 4) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5328 attached [pid 5327] close(3 [pid 5328] set_robust_list(0x555555ab3660, 24 [pid 5327] <... close resumed>) = 0 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5327] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5327] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5328 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5328] setpgid(0, 0 [pid 5327] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5329 attached [pid 5328] <... setpgid resumed>) = 0 [pid 5329] set_robust_list(0x555555ab3660, 24 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5327] <... bpf resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5329 [pid 5328] <... openat resumed>) = 3 [pid 5327] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5328] write(3, "1000", 4) = 4 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5328] close(3 [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5328] <... close resumed>) = 0 [pid 5329] <... prctl resumed>) = 0 [pid 5328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5329] setpgid(0, 0) = 0 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5328] <... bpf resumed>) = 3 [pid 5328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5329] <... openat resumed>) = 3 [pid 5328] <... bpf resumed>) = 4 [pid 5329] write(3, "1000", 4 [pid 5328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5329] <... write resumed>) = 4 [pid 5329] close(3 [pid 5328] <... bpf resumed>) = 5 [pid 5327] <... bpf resumed>) = 5 [pid 5326] <... bpf resumed>) = 5 [pid 5325] <... bpf resumed>) = 5 [pid 5329] <... close resumed>) = 0 [pid 5328] perf_event_open(NULL, 0, -1, -1, 0 [pid 5327] perf_event_open(NULL, 0, -1, -1, 0 [pid 5326] perf_event_open(NULL, 0, -1, -1, 0 [pid 5325] perf_event_open(NULL, 0, -1, -1, 0 [pid 5329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5328] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5327] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5326] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5325] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5329] <... bpf resumed>) = 3 [pid 5328] exit_group(0 [pid 5327] exit_group(0 [pid 5326] exit_group(0 [pid 5325] exit_group(0 [pid 5328] <... exit_group resumed>) = ? [pid 5327] <... exit_group resumed>) = ? [pid 5326] <... exit_group resumed>) = ? [pid 5325] <... exit_group resumed>) = ? [pid 5329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5328] +++ exited with 0 +++ [pid 5329] <... bpf resumed>) = 4 [pid 5327] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5326] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5330 attached ./strace-static-x86_64: Process 5331 attached [pid 5331] set_robust_list(0x555555ab3660, 24 [pid 5330] set_robust_list(0x555555ab3660, 24 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5332 attached [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5332] set_robust_list(0x555555ab3660, 24 [pid 5331] <... prctl resumed>) = 0 [pid 5330] <... prctl resumed>) = 0 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] setpgid(0, 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] <... setpgid resumed>) = 0 [pid 5330] setpgid(0, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5330 [pid 5332] <... prctl resumed>) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5330] <... setpgid resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5331 [pid 5332] setpgid(0, 0 [pid 5331] <... openat resumed>) = 3 [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5332 [pid 5329] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5333 attached [pid 5333] set_robust_list(0x555555ab3660, 24 [pid 5329] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5333] <... set_robust_list resumed>) = 0 [pid 5332] <... setpgid resumed>) = 0 [pid 5329] exit_group(0 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] write(3, "1000", 4 [pid 5330] <... openat resumed>) = 3 [pid 5329] <... exit_group resumed>) = ? [pid 5333] <... prctl resumed>) = 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] <... write resumed>) = 4 [pid 5330] write(3, "1000", 4 [pid 5329] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5333 [pid 5333] setpgid(0, 0 [pid 5332] <... openat resumed>) = 3 [pid 5331] close(3 [pid 5330] <... write resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5333] <... setpgid resumed>) = 0 [pid 5332] write(3, "1000", 4 [pid 5331] <... close resumed>) = 0 [pid 5330] close(3 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5332] <... write resumed>) = 4 [pid 5331] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5330] <... close resumed>) = 0 [pid 5333] <... openat resumed>) = 3 [pid 5332] close(3 [pid 5330] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5333] write(3, "1000", 4 [pid 5332] <... close resumed>) = 0 [pid 5331] <... bpf resumed>) = 3 [pid 5333] <... write resumed>) = 4 [pid 5333] close(3 [pid 5330] <... bpf resumed>) = 3 [pid 5333] <... close resumed>) = 0 [pid 5332] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5333] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5331] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5330] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5333] <... bpf resumed>) = 3 [pid 5332] <... bpf resumed>) = 3 [pid 5331] <... bpf resumed>) = 4 [pid 5330] <... bpf resumed>) = 4 [pid 5332] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5331] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5330] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5334 attached [pid 5332] <... bpf resumed>) = 4 [pid 5331] <... bpf resumed>) = 5 [pid 5330] <... bpf resumed>) = 5 [pid 5330] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5330] exit_group(0) = ? [pid 5333] <... bpf resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5334 [pid 5332] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5331] perf_event_open(NULL, 0, -1, -1, 0 [pid 5334] set_robust_list(0x555555ab3660, 24 [pid 5331] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5334] <... set_robust_list resumed>) = 0 [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] exit_group(0 [pid 5334] <... prctl resumed>) = 0 [pid 5334] setpgid(0, 0 [pid 5331] <... exit_group resumed>) = ? [pid 5334] <... setpgid resumed>) = 0 [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5334] <... openat resumed>) = 3 [pid 5334] write(3, "1000", 4) = 4 [pid 5334] close(3) = 0 [pid 5334] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5332] <... bpf resumed>) = 5 [pid 5330] +++ exited with 0 +++ [pid 5332] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5334] <... bpf resumed>) = 4 [pid 5332] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5332] exit_group(0 [pid 5334] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5332] <... exit_group resumed>) = ? [pid 5334] <... bpf resumed>) = 5 [pid 5333] <... bpf resumed>) = 5 [pid 5332] +++ exited with 0 +++ [pid 5331] +++ exited with 0 +++ [pid 5334] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5334] exit_group(0 [pid 5333] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5335 attached [pid 5334] <... exit_group resumed>) = ? [pid 5333] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5335] set_robust_list(0x555555ab3660, 24 [pid 5333] exit_group(0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5333] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5335] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5336 attached [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5335 [pid 5336] set_robust_list(0x555555ab3660, 24 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5336] <... set_robust_list resumed>) = 0 [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5336 ./strace-static-x86_64: Process 5337 attached [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5335] <... prctl resumed>) = 0 [pid 5334] +++ exited with 0 +++ [pid 5333] +++ exited with 0 +++ [pid 5336] <... prctl resumed>) = 0 [pid 5335] setpgid(0, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5337 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5337] set_robust_list(0x555555ab3660, 24 [pid 5336] setpgid(0, 0 [pid 5335] <... setpgid resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] <... setpgid resumed>) = 0 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] <... prctl resumed>) = 0 [pid 5337] setpgid(0, 0 [pid 5336] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5335] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5336] write(3, "1000", 4 [pid 5335] write(3, "1000", 4 [pid 5337] <... setpgid resumed>) = 0 [pid 5336] <... write resumed>) = 4 [pid 5335] <... write resumed>) = 4 ./strace-static-x86_64: Process 5338 attached [pid 5336] close(3 [pid 5335] close(3./strace-static-x86_64: Process 5339 attached [pid 5338] set_robust_list(0x555555ab3660, 24 [pid 5335] <... close resumed>) = 0 [pid 5339] set_robust_list(0x555555ab3660, 24) = 0 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] <... close resumed>) = 0 [pid 5335] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5339 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] <... openat resumed>) = 3 [pid 5336] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5338 [pid 5339] <... prctl resumed>) = 0 [pid 5338] <... prctl resumed>) = 0 [pid 5337] write(3, "1000", 4) = 4 [pid 5337] close(3 [pid 5339] setpgid(0, 0 [pid 5338] setpgid(0, 0 [pid 5337] <... close resumed>) = 0 [pid 5336] <... bpf resumed>) = 3 [pid 5335] <... bpf resumed>) = 3 [pid 5339] <... setpgid resumed>) = 0 [pid 5338] <... setpgid resumed>) = 0 [pid 5337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5339] <... openat resumed>) = 3 [pid 5338] <... openat resumed>) = 3 [pid 5337] <... bpf resumed>) = 3 [pid 5336] <... bpf resumed>) = 4 [pid 5335] <... bpf resumed>) = 4 [pid 5339] write(3, "1000", 4 [pid 5338] write(3, "1000", 4 [pid 5339] <... write resumed>) = 4 [pid 5338] <... write resumed>) = 4 [pid 5336] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5339] close(3 [pid 5338] close(3 [pid 5335] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5339] <... close resumed>) = 0 [pid 5338] <... close resumed>) = 0 [pid 5339] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5338] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5336] <... bpf resumed>) = 5 [pid 5337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5338] <... bpf resumed>) = 3 [pid 5337] <... bpf resumed>) = 4 [pid 5335] <... bpf resumed>) = 5 [pid 5337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5339] <... bpf resumed>) = 3 [pid 5338] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5336] perf_event_open(NULL, 0, -1, -1, 0 [pid 5335] perf_event_open(NULL, 0, -1, -1, 0 [pid 5339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5337] <... bpf resumed>) = 5 [pid 5336] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5335] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5339] <... bpf resumed>) = 4 [pid 5337] perf_event_open(NULL, 0, -1, -1, 0 [pid 5336] exit_group(0 [pid 5335] exit_group(0) = ? [pid 5337] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5337] exit_group(0 [pid 5338] <... bpf resumed>) = 4 [pid 5337] <... exit_group resumed>) = ? [pid 5336] <... exit_group resumed>) = ? [pid 5339] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5338] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5337] +++ exited with 0 +++ [pid 5335] +++ exited with 0 +++ [pid 5339] <... bpf resumed>) = 5 [pid 5338] <... bpf resumed>) = 5 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5339] perf_event_open(NULL, 0, -1, -1, 0 [pid 5338] perf_event_open(NULL, 0, -1, -1, 0 [pid 5336] +++ exited with 0 +++ [pid 5339] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5338] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5339] exit_group(0 [pid 5338] exit_group(0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5339] <... exit_group resumed>) = ? [pid 5338] <... exit_group resumed>) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5340 attached [pid 5340] set_robust_list(0x555555ab3660, 24) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5340] setpgid(0, 0) = 0 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5340 ./strace-static-x86_64: Process 5341 attached [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5340] <... openat resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5341 [pid 5340] write(3, "1000", 4) = 4 [pid 5340] close(3 [pid 5341] set_robust_list(0x555555ab3660, 24 [pid 5340] <... close resumed>) = 0 [pid 5341] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5342 attached [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5342 [pid 5342] set_robust_list(0x555555ab3660, 24 [pid 5341] <... prctl resumed>) = 0 [pid 5342] <... set_robust_list resumed>) = 0 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5341] setpgid(0, 0 [pid 5340] <... bpf resumed>) = 3 [pid 5339] +++ exited with 0 +++ [pid 5338] +++ exited with 0 +++ [pid 5342] setpgid(0, 0 [pid 5341] <... setpgid resumed>) = 0 [pid 5340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5342] <... setpgid resumed>) = 0 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5340] <... bpf resumed>) = 4 [pid 5340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5341] <... openat resumed>) = 3 [pid 5342] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5341] write(3, "1000", 4./strace-static-x86_64: Process 5344 attached ./strace-static-x86_64: Process 5343 attached ) = 4 [pid 5344] set_robust_list(0x555555ab3660, 24 [pid 5343] set_robust_list(0x555555ab3660, 24 [pid 5342] write(3, "1000", 4 [pid 5341] close(3 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5344] setpgid(0, 0 [pid 5343] <... prctl resumed>) = 0 [pid 5342] <... write resumed>) = 4 [pid 5341] <... close resumed>) = 0 [pid 5344] <... setpgid resumed>) = 0 [pid 5343] setpgid(0, 0 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5343] <... setpgid resumed>) = 0 [pid 5342] close(3 [pid 5341] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5344] <... openat resumed>) = 3 [pid 5344] write(3, "1000", 4 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5342] <... close resumed>) = 0 [pid 5341] <... bpf resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5343 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5344 [pid 5342] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5344] <... write resumed>) = 4 [pid 5343] <... openat resumed>) = 3 [pid 5340] <... bpf resumed>) = 5 [pid 5344] close(3) = 0 [pid 5343] write(3, "1000", 4 [pid 5342] <... bpf resumed>) = 3 [pid 5340] perf_event_open(NULL, 0, -1, -1, 0 [pid 5344] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5343] <... write resumed>) = 4 [pid 5340] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5343] close(3 [pid 5342] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5340] exit_group(0 [pid 5344] <... bpf resumed>) = 3 [pid 5343] <... close resumed>) = 0 [pid 5342] <... bpf resumed>) = 4 [pid 5341] <... bpf resumed>) = 4 [pid 5340] <... exit_group resumed>) = ? [pid 5342] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5343] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5341] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5340] +++ exited with 0 +++ [pid 5344] <... bpf resumed>) = 4 [pid 5343] <... bpf resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5343] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5344] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5343] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5345 attached [pid 5345] set_robust_list(0x555555ab3660, 24 [pid 5343] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5345 [pid 5345] <... prctl resumed>) = 0 [pid 5345] setpgid(0, 0) = 0 [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5342] <... bpf resumed>) = 5 [pid 5341] <... bpf resumed>) = 5 [pid 5345] <... openat resumed>) = 3 [pid 5344] <... bpf resumed>) = 5 [pid 5343] <... bpf resumed>) = 5 [pid 5342] perf_event_open(NULL, 0, -1, -1, 0 [pid 5341] perf_event_open(NULL, 0, -1, -1, 0 [pid 5345] write(3, "1000", 4 [pid 5344] perf_event_open(NULL, 0, -1, -1, 0 [pid 5343] perf_event_open(NULL, 0, -1, -1, 0 [pid 5342] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5341] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5345] <... write resumed>) = 4 [pid 5344] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5343] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5342] exit_group(0 [pid 5341] exit_group(0 [pid 5345] close(3 [pid 5344] exit_group(0 [pid 5343] exit_group(0 [pid 5342] <... exit_group resumed>) = ? [pid 5341] <... exit_group resumed>) = ? [pid 5345] <... close resumed>) = 0 [pid 5343] <... exit_group resumed>) = ? [pid 5344] <... exit_group resumed>) = ? [pid 5344] +++ exited with 0 +++ [pid 5342] +++ exited with 0 +++ [pid 5345] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5343] +++ exited with 0 +++ [pid 5341] +++ exited with 0 +++ [pid 5345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5346 attached [pid 5345] <... bpf resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5346 [pid 5345] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5349 attached ./strace-static-x86_64: Process 5348 attached ./strace-static-x86_64: Process 5347 attached [pid 5346] set_robust_list(0x555555ab3660, 24 [pid 5349] set_robust_list(0x555555ab3660, 24 [pid 5348] set_robust_list(0x555555ab3660, 24 [pid 5347] set_robust_list(0x555555ab3660, 24 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5348 [pid 5349] <... set_robust_list resumed>) = 0 [pid 5348] <... set_robust_list resumed>) = 0 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5347] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5347 [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5348] <... prctl resumed>) = 0 [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5349] <... prctl resumed>) = 0 [pid 5348] setpgid(0, 0 [pid 5347] <... prctl resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5349 [pid 5349] setpgid(0, 0 [pid 5348] <... setpgid resumed>) = 0 [pid 5347] setpgid(0, 0 [pid 5346] <... prctl resumed>) = 0 [pid 5349] <... setpgid resumed>) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5347] <... setpgid resumed>) = 0 [pid 5346] setpgid(0, 0 [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5348] <... openat resumed>) = 3 [pid 5347] <... openat resumed>) = 3 [pid 5346] <... setpgid resumed>) = 0 [pid 5347] write(3, "1000", 4 [pid 5349] <... openat resumed>) = 3 [pid 5348] write(3, "1000", 4 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5345] <... bpf resumed>) = 5 [pid 5349] write(3, "1000", 4 [pid 5345] perf_event_open(NULL, 0, -1, -1, 0 [pid 5349] <... write resumed>) = 4 [pid 5345] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5349] close(3 [pid 5348] <... write resumed>) = 4 [pid 5347] <... write resumed>) = 4 [pid 5346] <... openat resumed>) = 3 [pid 5345] exit_group(0 [pid 5349] <... close resumed>) = 0 [pid 5348] close(3 [pid 5347] close(3 [pid 5346] write(3, "1000", 4 [pid 5345] <... exit_group resumed>) = ? [pid 5349] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5348] <... close resumed>) = 0 [pid 5347] <... close resumed>) = 0 [pid 5346] <... write resumed>) = 4 [pid 5348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5347] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5349] <... bpf resumed>) = 3 [pid 5348] <... bpf resumed>) = 3 [pid 5346] close(3 [pid 5345] +++ exited with 0 +++ [pid 5346] <... close resumed>) = 0 [pid 5346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5347] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5350 attached [pid 5349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5347] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5350 [pid 5350] set_robust_list(0x555555ab3660, 24 [pid 5349] <... bpf resumed>) = 4 [pid 5348] <... bpf resumed>) = 4 [pid 5347] <... bpf resumed>) = 4 [pid 5346] <... bpf resumed>) = 3 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5349] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5350] <... prctl resumed>) = 0 [pid 5349] <... bpf resumed>) = 5 [pid 5347] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5350] setpgid(0, 0 [pid 5349] perf_event_open(NULL, 0, -1, -1, 0 [pid 5348] <... bpf resumed>) = 5 [pid 5347] <... bpf resumed>) = 5 [pid 5346] <... bpf resumed>) = 4 [pid 5350] <... setpgid resumed>) = 0 [pid 5349] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5348] perf_event_open(NULL, 0, -1, -1, 0 [pid 5347] perf_event_open(NULL, 0, -1, -1, 0 [pid 5346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] exit_group(0 [pid 5348] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5347] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5346] <... bpf resumed>) = 5 [pid 5350] <... openat resumed>) = 3 [pid 5349] <... exit_group resumed>) = ? [pid 5348] exit_group(0 [pid 5347] exit_group(0 [pid 5346] perf_event_open(NULL, 0, -1, -1, 0 [pid 5350] write(3, "1000", 4) = 4 [pid 5350] close(3 [pid 5349] +++ exited with 0 +++ [pid 5350] <... close resumed>) = 0 [pid 5348] <... exit_group resumed>) = ? [pid 5347] <... exit_group resumed>) = ? [pid 5346] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5350] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5348] +++ exited with 0 +++ [pid 5346] exit_group(0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5346] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5352 attached ./strace-static-x86_64: Process 5351 attached [pid 5350] <... bpf resumed>) = 3 [pid 5352] set_robust_list(0x555555ab3660, 24 [pid 5351] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5352 [pid 5352] <... set_robust_list resumed>) = 0 [pid 5351] <... set_robust_list resumed>) = 0 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5352] setpgid(0, 0 [pid 5351] <... prctl resumed>) = 0 [pid 5352] <... setpgid resumed>) = 0 [pid 5351] setpgid(0, 0 [pid 5350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] <... setpgid resumed>) = 0 [pid 5350] <... bpf resumed>) = 4 [pid 5347] +++ exited with 0 +++ [pid 5346] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5351 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5352] <... openat resumed>) = 3 [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5352] write(3, "1000", 4 [pid 5351] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5353 attached [pid 5352] <... write resumed>) = 4 ./strace-static-x86_64: Process 5354 attached [pid 5353] set_robust_list(0x555555ab3660, 24 [pid 5352] close(3 [pid 5351] write(3, "1000", 4 [pid 5354] set_robust_list(0x555555ab3660, 24 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5352] <... close resumed>) = 0 [pid 5351] <... write resumed>) = 4 [pid 5350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5353 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] <... set_robust_list resumed>) = 0 [pid 5352] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5351] close(3 [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5353] <... prctl resumed>) = 0 [pid 5351] <... close resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5354 [pid 5353] setpgid(0, 0 [pid 5351] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5354] <... prctl resumed>) = 0 [pid 5353] <... setpgid resumed>) = 0 [pid 5354] setpgid(0, 0) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5353] <... openat resumed>) = 3 [pid 5354] <... openat resumed>) = 3 [pid 5353] write(3, "1000", 4 [pid 5352] <... bpf resumed>) = 3 [pid 5354] write(3, "1000", 4 [pid 5353] <... write resumed>) = 4 [pid 5352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5351] <... bpf resumed>) = 3 [pid 5354] <... write resumed>) = 4 [pid 5353] close(3 [pid 5351] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5354] close(3 [pid 5353] <... close resumed>) = 0 [pid 5352] <... bpf resumed>) = 4 [pid 5354] <... close resumed>) = 0 [pid 5353] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5351] <... bpf resumed>) = 4 [pid 5354] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5350] <... bpf resumed>) = 5 [pid 5350] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5354] <... bpf resumed>) = 3 [pid 5350] exit_group(0 [pid 5352] <... bpf resumed>) = 5 [pid 5351] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5350] <... exit_group resumed>) = ? [pid 5354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5353] <... bpf resumed>) = 3 [pid 5352] perf_event_open(NULL, 0, -1, -1, 0 [pid 5351] <... bpf resumed>) = 5 [pid 5352] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5351] perf_event_open(NULL, 0, -1, -1, 0 [pid 5353] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5351] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5354] <... bpf resumed>) = 4 [pid 5352] exit_group(0 [pid 5351] exit_group(0 [pid 5353] <... bpf resumed>) = 4 [pid 5352] <... exit_group resumed>) = ? [pid 5351] <... exit_group resumed>) = ? [pid 5350] +++ exited with 0 +++ [pid 5354] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5353] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5352] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5355 attached [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5355 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5355] set_robust_list(0x555555ab3660, 24) = 0 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5356 attached ) = 0 [pid 5356] set_robust_list(0x555555ab3660, 24) = 0 [pid 5355] setpgid(0, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5356 [pid 5355] <... setpgid resumed>) = 0 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] +++ exited with 0 +++ [pid 5356] <... prctl resumed>) = 0 [pid 5355] <... openat resumed>) = 3 [pid 5356] setpgid(0, 0) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5355] write(3, "1000", 4) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5355] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5357 attached [pid 5356] <... openat resumed>) = 3 [pid 5355] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5357] set_robust_list(0x555555ab3660, 24 [pid 5356] write(3, "1000", 4 [pid 5355] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5357 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5356] <... write resumed>) = 4 [pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5356] close(3 [pid 5355] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5354] <... bpf resumed>) = 5 [pid 5353] <... bpf resumed>) = 5 [pid 5357] <... prctl resumed>) = 0 [pid 5356] <... close resumed>) = 0 [pid 5353] perf_event_open(NULL, 0, -1, -1, 0 [pid 5357] setpgid(0, 0 [pid 5356] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5355] <... bpf resumed>) = 4 [pid 5354] perf_event_open(NULL, 0, -1, -1, 0 [pid 5353] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5357] <... setpgid resumed>) = 0 [pid 5354] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5354] exit_group(0) = ? [pid 5356] <... bpf resumed>) = 3 [pid 5353] exit_group(0 [pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5355] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5354] +++ exited with 0 +++ [pid 5353] <... exit_group resumed>) = ? [pid 5357] write(3, "1000", 4 [pid 5355] <... bpf resumed>) = 5 [pid 5357] <... write resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5357] close(3 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5357] <... close resumed>) = 0 [pid 5357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5355] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5074] <... restart_syscall resumed>) = 0 [pid 5356] <... bpf resumed>) = 4 [pid 5355] exit_group(0) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5357] <... bpf resumed>) = 3 [pid 5356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5358 attached ) = 4 [pid 5358] set_robust_list(0x555555ab3660, 24 [pid 5357] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5358 [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5358] setpgid(0, 0) = 0 [pid 5355] +++ exited with 0 +++ [pid 5353] +++ exited with 0 +++ [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5358] <... openat resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5359 attached [pid 5358] write(3, "1000", 4) = 4 [pid 5358] close(3) = 0 [pid 5358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5360 attached [pid 5359] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5359 [pid 5360] set_robust_list(0x555555ab3660, 24 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] <... bpf resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5360 [pid 5360] <... set_robust_list resumed>) = 0 [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5359] <... prctl resumed>) = 0 [pid 5360] <... prctl resumed>) = 0 [pid 5359] setpgid(0, 0 [pid 5360] setpgid(0, 0) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5359] <... setpgid resumed>) = 0 [pid 5360] <... openat resumed>) = 3 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5360] write(3, "1000", 4 [pid 5359] <... openat resumed>) = 3 [pid 5358] <... bpf resumed>) = 4 [pid 5360] <... write resumed>) = 4 [pid 5359] write(3, "1000", 4 [pid 5360] close(3 [pid 5359] <... write resumed>) = 4 [pid 5360] <... close resumed>) = 0 [pid 5359] close(3 [pid 5360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5359] <... close resumed>) = 0 [pid 5360] <... bpf resumed>) = 3 [pid 5358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5357] <... bpf resumed>) = 5 [pid 5356] <... bpf resumed>) = 5 [pid 5359] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5357] perf_event_open(NULL, 0, -1, -1, 0 [pid 5356] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5359] <... bpf resumed>) = 3 [pid 5358] <... bpf resumed>) = 5 [pid 5357] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5360] <... bpf resumed>) = 4 [pid 5359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5358] perf_event_open(NULL, 0, -1, -1, 0 [pid 5356] exit_group(0 [pid 5357] exit_group(0 [pid 5358] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5357] <... exit_group resumed>) = ? [pid 5356] <... exit_group resumed>) = ? [pid 5358] exit_group(0) = ? [pid 5359] <... bpf resumed>) = 4 [pid 5356] +++ exited with 0 +++ [pid 5360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5361 attached [pid 5359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5361] set_robust_list(0x555555ab3660, 24) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5361 [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5361] setpgid(0, 0) = 0 [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5361] write(3, "1000", 4) = 4 [pid 5358] +++ exited with 0 +++ [pid 5361] close(3) = 0 [pid 5357] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5361] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5362 attached [pid 5362] set_robust_list(0x555555ab3660, 24 [pid 5361] <... bpf resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5362] <... set_robust_list resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5362 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5363 attached [pid 5362] <... prctl resumed>) = 0 [pid 5361] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5363] set_robust_list(0x555555ab3660, 24 [pid 5362] setpgid(0, 0 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5362] <... setpgid resumed>) = 0 [pid 5361] <... bpf resumed>) = 4 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5363 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5361] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5363] <... prctl resumed>) = 0 [pid 5362] <... openat resumed>) = 3 [pid 5360] <... bpf resumed>) = 5 [pid 5359] <... bpf resumed>) = 5 [pid 5363] setpgid(0, 0 [pid 5362] write(3, "1000", 4 [pid 5361] <... bpf resumed>) = 5 [pid 5360] perf_event_open(NULL, 0, -1, -1, 0 [pid 5359] perf_event_open(NULL, 0, -1, -1, 0 [pid 5362] <... write resumed>) = 4 [pid 5360] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5359] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5363] <... setpgid resumed>) = 0 [pid 5361] perf_event_open(NULL, 0, -1, -1, 0 [pid 5359] exit_group(0 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5362] close(3 [pid 5361] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5360] exit_group(0 [pid 5363] <... openat resumed>) = 3 [pid 5362] <... close resumed>) = 0 [pid 5361] exit_group(0 [pid 5360] <... exit_group resumed>) = ? [pid 5359] <... exit_group resumed>) = ? [pid 5361] <... exit_group resumed>) = ? [pid 5362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5363] write(3, "1000", 4 [pid 5360] +++ exited with 0 +++ [pid 5363] <... write resumed>) = 4 [pid 5363] close(3) = 0 [pid 5363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5363] <... bpf resumed>) = 3 [pid 5362] <... bpf resumed>) = 3 [pid 5362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5362] <... bpf resumed>) = 4 [pid 5363] <... bpf resumed>) = 4 [pid 5362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5363] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5361] +++ exited with 0 +++ [pid 5359] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5364 attached [pid 5364] set_robust_list(0x555555ab3660, 24 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5364] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5365 attached [pid 5365] set_robust_list(0x555555ab3660, 24 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5365] <... set_robust_list resumed>) = 0 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5364] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5366 attached [pid 5365] <... prctl resumed>) = 0 [pid 5364] setpgid(0, 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5364 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5365 [pid 5366] set_robust_list(0x555555ab3660, 24 [pid 5365] setpgid(0, 0 [pid 5364] <... setpgid resumed>) = 0 [pid 5366] <... set_robust_list resumed>) = 0 [pid 5365] <... setpgid resumed>) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5366 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5364] <... openat resumed>) = 3 [pid 5366] <... prctl resumed>) = 0 [pid 5365] <... openat resumed>) = 3 [pid 5364] write(3, "1000", 4 [pid 5366] setpgid(0, 0 [pid 5365] write(3, "1000", 4 [pid 5364] <... write resumed>) = 4 [pid 5366] <... setpgid resumed>) = 0 [pid 5365] <... write resumed>) = 4 [pid 5364] close(3 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5365] close(3 [pid 5364] <... close resumed>) = 0 [pid 5366] <... openat resumed>) = 3 [pid 5365] <... close resumed>) = 0 [pid 5364] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5366] write(3, "1000", 4 [pid 5365] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5366] <... write resumed>) = 4 [pid 5364] <... bpf resumed>) = 3 [pid 5366] close(3) = 0 [pid 5366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5365] <... bpf resumed>) = 3 [pid 5364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5363] <... bpf resumed>) = 5 [pid 5362] <... bpf resumed>) = 5 [pid 5366] <... bpf resumed>) = 3 [pid 5365] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5364] <... bpf resumed>) = 4 [pid 5363] perf_event_open(NULL, 0, -1, -1, 0 [pid 5362] perf_event_open(NULL, 0, -1, -1, 0 [pid 5365] <... bpf resumed>) = 4 [pid 5363] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5362] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5364] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5365] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5362] exit_group(0 [pid 5364] <... bpf resumed>) = 5 [pid 5365] <... bpf resumed>) = 5 [pid 5364] perf_event_open(NULL, 0, -1, -1, 0 [pid 5362] <... exit_group resumed>) = ? [pid 5365] perf_event_open(NULL, 0, -1, -1, 0 [pid 5364] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5363] exit_group(0 [pid 5366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5363] <... exit_group resumed>) = ? [pid 5366] <... bpf resumed>) = 4 [pid 5365] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5364] exit_group(0 [pid 5363] +++ exited with 0 +++ [pid 5362] +++ exited with 0 +++ [pid 5365] exit_group(0 [pid 5364] <... exit_group resumed>) = ? [pid 5365] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5365] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5367 attached ./strace-static-x86_64: Process 5368 attached [pid 5079] <... restart_syscall resumed>) = 0 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5368] set_robust_list(0x555555ab3660, 24 [pid 5367] set_robust_list(0x555555ab3660, 24 [pid 5368] <... set_robust_list resumed>) = 0 [pid 5367] <... set_robust_list resumed>) = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] <... prctl resumed>) = 0 [pid 5367] <... prctl resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5369 attached [pid 5368] setpgid(0, 0 [pid 5367] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5368 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5367 [pid 5369] set_robust_list(0x555555ab3660, 24 [pid 5368] <... setpgid resumed>) = 0 [pid 5369] <... set_robust_list resumed>) = 0 [pid 5367] <... setpgid resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5370 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5370 attached ) = 0 [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5370] set_robust_list(0x555555ab3660, 24 [pid 5369] setpgid(0, 0 [pid 5368] <... openat resumed>) = 3 [pid 5367] <... openat resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5369 [pid 5369] <... setpgid resumed>) = 0 [pid 5368] write(3, "1000", 4 [pid 5367] write(3, "1000", 4 [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5368] <... write resumed>) = 4 [pid 5367] <... write resumed>) = 4 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] close(3 [pid 5367] close(3 [pid 5369] <... openat resumed>) = 3 [pid 5370] <... prctl resumed>) = 0 [pid 5368] <... close resumed>) = 0 [pid 5367] <... close resumed>) = 0 [pid 5370] setpgid(0, 0 [pid 5369] write(3, "1000", 4 [pid 5370] <... setpgid resumed>) = 0 [pid 5367] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5369] <... write resumed>) = 4 [pid 5368] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5370] <... openat resumed>) = 3 [pid 5369] close(3 [pid 5370] write(3, "1000", 4) = 4 [pid 5370] close(3) = 0 [pid 5370] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5369] <... close resumed>) = 0 [pid 5368] <... bpf resumed>) = 3 [pid 5367] <... bpf resumed>) = 3 [pid 5366] <... bpf resumed>) = 5 [pid 5366] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5369] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5366] exit_group(0 [pid 5370] <... bpf resumed>) = 3 [pid 5369] <... bpf resumed>) = 3 [pid 5367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5366] <... exit_group resumed>) = ? [pid 5369] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5368] <... bpf resumed>) = 4 [pid 5369] <... bpf resumed>) = 4 [pid 5368] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5369] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5367] <... bpf resumed>) = 4 [pid 5366] +++ exited with 0 +++ [pid 5367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5370] <... bpf resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5368] <... bpf resumed>) = 5 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5368] perf_event_open(NULL, 0, -1, -1, 0 [pid 5370] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5369] <... bpf resumed>) = 5 [pid 5367] <... bpf resumed>) = 5 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5369] perf_event_open(NULL, 0, -1, -1, 0 [pid 5370] <... bpf resumed>) = 5 [pid 5368] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5367] perf_event_open(NULL, 0, -1, -1, 0 [pid 5369] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5368] exit_group(0) = ? [pid 5367] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5370] perf_event_open(NULL, 0, -1, -1, 0 [pid 5369] exit_group(0 [pid 5367] exit_group(0 [pid 5370] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5369] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5371 attached [pid 5370] exit_group(0 [pid 5369] +++ exited with 0 +++ [pid 5368] +++ exited with 0 +++ [pid 5367] <... exit_group resumed>) = ? [pid 5371] set_robust_list(0x555555ab3660, 24 [pid 5370] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5371] <... set_robust_list resumed>) = 0 [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5371 [pid 5371] <... prctl resumed>) = 0 [pid 5371] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5373 attached ./strace-static-x86_64: Process 5372 attached [pid 5371] <... setpgid resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5372 [pid 5373] set_robust_list(0x555555ab3660, 24) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5373 [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5372] set_robust_list(0x555555ab3660, 24 [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5370] +++ exited with 0 +++ [pid 5367] +++ exited with 0 +++ [pid 5373] setpgid(0, 0 [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] <... openat resumed>) = 3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5373] <... setpgid resumed>) = 0 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5371] write(3, "1000", 4 [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5372] <... prctl resumed>) = 0 [pid 5371] <... write resumed>) = 4 [pid 5373] <... openat resumed>) = 3 [pid 5372] setpgid(0, 0 [pid 5371] close(3 [pid 5373] write(3, "1000", 4 [pid 5372] <... setpgid resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5373] <... write resumed>) = 4 [pid 5371] <... close resumed>) = 0 ./strace-static-x86_64: Process 5374 attached [pid 5371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5373] close(3 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5374] set_robust_list(0x555555ab3660, 24) = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5373] <... close resumed>) = 0 [pid 5371] <... bpf resumed>) = 3 [pid 5374] setpgid(0, 0 [pid 5372] <... openat resumed>) = 3 [pid 5374] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5375 attached [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5372] write(3, "1000", 4 [pid 5371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5375 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5374 [pid 5372] <... write resumed>) = 4 [pid 5372] close(3 [pid 5375] set_robust_list(0x555555ab3660, 24 [pid 5374] <... openat resumed>) = 3 [pid 5373] <... bpf resumed>) = 3 [pid 5372] <... close resumed>) = 0 [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] write(3, "1000", 4 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5374] <... write resumed>) = 4 [pid 5375] <... prctl resumed>) = 0 [pid 5374] close(3 [pid 5375] setpgid(0, 0 [pid 5374] <... close resumed>) = 0 [pid 5373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5371] <... bpf resumed>) = 4 [pid 5375] <... setpgid resumed>) = 0 [pid 5374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5373] <... bpf resumed>) = 4 [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5374] <... bpf resumed>) = 3 [pid 5373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5372] <... bpf resumed>) = 3 [pid 5371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5375] <... openat resumed>) = 3 [pid 5373] <... bpf resumed>) = 5 [pid 5372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5371] <... bpf resumed>) = 5 [pid 5373] perf_event_open(NULL, 0, -1, -1, 0 [pid 5375] write(3, "1000", 4 [pid 5374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5371] perf_event_open(NULL, 0, -1, -1, 0 [pid 5375] <... write resumed>) = 4 [pid 5374] <... bpf resumed>) = 4 [pid 5373] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5372] <... bpf resumed>) = 4 [pid 5371] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5375] close(3 [pid 5373] exit_group(0 [pid 5375] <... close resumed>) = 0 [pid 5375] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5373] <... exit_group resumed>) = ? [pid 5372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5371] exit_group(0 [pid 5374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5374] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5374] exit_group(0) = ? [pid 5373] +++ exited with 0 +++ [pid 5371] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5373, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5375] <... bpf resumed>) = 4 [pid 5375] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ab3650) = 5376 ./strace-static-x86_64: Process 5376 attached [pid 5376] set_robust_list(0x555555ab3660, 24) = 0 [pid 5372] <... bpf resumed>) = 5 [pid 5371] +++ exited with 0 +++ [pid 5372] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5372] exit_group(0 [pid 5376] <... prctl resumed>) = 0 [pid 5372] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5376] setpgid(0, 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5376] <... setpgid resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached [pid 5376] write(3, "1000", 4) = 4 [pid 5376] close(3) = 0 [pid 5376] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5377] set_robust_list(0x555555ab3660, 24 [pid 5376] <... bpf resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5377 [pid 5377] <... set_robust_list resumed>) = 0 [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5376] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5377] <... prctl resumed>) = 0 [pid 5376] <... bpf resumed>) = 4 [pid 5375] <... bpf resumed>) = 5 [pid 5374] +++ exited with 0 +++ [pid 5377] setpgid(0, 0) = 0 [pid 5375] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5375] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5378 attached [pid 5377] <... openat resumed>) = 3 [pid 5376] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5375] exit_group(0 [pid 5378] set_robust_list(0x555555ab3660, 24 [pid 5375] <... exit_group resumed>) = ? [pid 5378] <... set_robust_list resumed>) = 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] write(3, "1000", 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5378 [pid 5377] <... write resumed>) = 4 [pid 5377] close(3) = 0 [pid 5377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5378] <... prctl resumed>) = 0 [pid 5377] <... bpf resumed>) = 3 [pid 5378] setpgid(0, 0 [pid 5376] <... bpf resumed>) = 5 [pid 5372] +++ exited with 0 +++ [pid 5376] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5378] <... setpgid resumed>) = 0 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5377] <... bpf resumed>) = 4 [pid 5376] exit_group(0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5376] <... exit_group resumed>) = ? [pid 5378] <... openat resumed>) = 3 [pid 5376] +++ exited with 0 +++ [pid 5375] +++ exited with 0 +++ [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5378] write(3, "1000", 4 [pid 5377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5378] <... write resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5378] close(3 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5378] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5378] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5377] <... bpf resumed>) = 5 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5379 attached [pid 5378] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5381 attached [pid 5379] set_robust_list(0x555555ab3660, 24 [pid 5378] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5377] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5379 [pid 5381] set_robust_list(0x555555ab3660, 24 [pid 5379] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5380 attached [pid 5381] <... set_robust_list resumed>) = 0 [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5380 [pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5380] set_robust_list(0x555555ab3660, 24 [pid 5379] <... prctl resumed>) = 0 [pid 5378] <... bpf resumed>) = 4 [pid 5377] exit_group(0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5381 [pid 5381] <... prctl resumed>) = 0 [pid 5380] <... set_robust_list resumed>) = 0 [pid 5379] setpgid(0, 0 [pid 5378] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5377] <... exit_group resumed>) = ? [pid 5381] setpgid(0, 0 [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5379] <... setpgid resumed>) = 0 [pid 5378] <... bpf resumed>) = 5 [pid 5381] <... setpgid resumed>) = 0 [pid 5380] <... prctl resumed>) = 0 [pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5380] setpgid(0, 0 [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5378] perf_event_open(NULL, 0, -1, -1, 0 [pid 5381] <... openat resumed>) = 3 [pid 5380] <... setpgid resumed>) = 0 [pid 5379] <... openat resumed>) = 3 [pid 5378] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5381] write(3, "1000", 4 [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5379] write(3, "1000", 4 [pid 5378] exit_group(0 [pid 5381] <... write resumed>) = 4 [pid 5379] <... write resumed>) = 4 [pid 5381] close(3 [pid 5380] <... openat resumed>) = 3 [pid 5381] <... close resumed>) = 0 [pid 5379] close(3 [pid 5378] <... exit_group resumed>) = ? [pid 5380] write(3, "1000", 4 [pid 5381] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5379] <... close resumed>) = 0 [pid 5380] <... write resumed>) = 4 [pid 5380] close(3) = 0 [pid 5380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5379] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5381] <... bpf resumed>) = 3 [pid 5380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5379] <... bpf resumed>) = 3 [pid 5378] +++ exited with 0 +++ [pid 5377] +++ exited with 0 +++ [pid 5381] <... bpf resumed>) = 4 [pid 5380] <... bpf resumed>) = 4 [pid 5379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5379] <... bpf resumed>) = 4 [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5382 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5382 [pid 5382] set_robust_list(0x555555ab3660, 24 [pid 5379] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5383 attached ) = 0 [pid 5381] <... bpf resumed>) = 5 [pid 5380] <... bpf resumed>) = 5 [pid 5379] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5383 [pid 5383] set_robust_list(0x555555ab3660, 24 [pid 5380] perf_event_open(NULL, 0, -1, -1, 0 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5380] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5382] setpgid(0, 0 [pid 5381] perf_event_open(NULL, 0, -1, -1, 0 [pid 5380] exit_group(0 [pid 5379] perf_event_open(NULL, 0, -1, -1, 0 [pid 5383] <... prctl resumed>) = 0 [pid 5382] <... setpgid resumed>) = 0 [pid 5381] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5380] <... exit_group resumed>) = ? [pid 5379] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5383] setpgid(0, 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5381] exit_group(0) = ? [pid 5383] <... setpgid resumed>) = 0 [pid 5380] +++ exited with 0 +++ [pid 5379] exit_group(0 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5382] <... openat resumed>) = 3 [pid 5379] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5383] <... openat resumed>) = 3 [pid 5382] write(3, "1000", 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5384 attached [pid 5383] write(3, "1000", 4 [pid 5382] <... write resumed>) = 4 [pid 5384] set_robust_list(0x555555ab3660, 24 [pid 5383] <... write resumed>) = 4 [pid 5382] close(3 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5382] <... close resumed>) = 0 [pid 5381] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5384 [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5383] close(3 [pid 5382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5384] <... prctl resumed>) = 0 [pid 5383] <... close resumed>) = 0 [pid 5382] <... bpf resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5384] setpgid(0, 0 [pid 5383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5384] <... setpgid resumed>) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5383] <... bpf resumed>) = 3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5384] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5385 attached [pid 5384] write(3, "1000", 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5384] <... write resumed>) = 4 [pid 5385] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5386 attached ) = 0 [pid 5384] close(3 [pid 5383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5386] set_robust_list(0x555555ab3660, 24 [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] <... close resumed>) = 0 [pid 5383] <... bpf resumed>) = 4 [pid 5382] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5386 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5385 [pid 5386] <... set_robust_list resumed>) = 0 [pid 5385] <... prctl resumed>) = 0 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5385] setpgid(0, 0 [pid 5384] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5386] <... prctl resumed>) = 0 [pid 5385] <... setpgid resumed>) = 0 [pid 5382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5386] setpgid(0, 0 [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] <... bpf resumed>) = 3 [pid 5386] <... setpgid resumed>) = 0 [pid 5385] <... openat resumed>) = 3 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5385] write(3, "1000", 4 [pid 5386] <... openat resumed>) = 3 [pid 5383] <... bpf resumed>) = 5 [pid 5382] <... bpf resumed>) = 5 [pid 5383] perf_event_open(NULL, 0, -1, -1, 0 [pid 5386] write(3, "1000", 4 [pid 5385] <... write resumed>) = 4 [pid 5384] <... bpf resumed>) = 4 [pid 5382] perf_event_open(NULL, 0, -1, -1, 0 [pid 5384] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5386] <... write resumed>) = 4 [pid 5385] close(3 [pid 5384] <... bpf resumed>) = 5 [pid 5383] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5382] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5385] <... close resumed>) = 0 [pid 5384] perf_event_open(NULL, 0, -1, -1, 0 [pid 5383] exit_group(0 [pid 5382] exit_group(0 [pid 5386] close(3 [pid 5385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5384] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5383] <... exit_group resumed>) = ? [pid 5382] <... exit_group resumed>) = ? [pid 5386] <... close resumed>) = 0 [pid 5385] <... bpf resumed>) = 3 [pid 5384] exit_group(0 [pid 5383] +++ exited with 0 +++ [pid 5384] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5386] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5387 attached ) = 4 [pid 5385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5387] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5387 [pid 5387] <... set_robust_list resumed>) = 0 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5387] setpgid(0, 0) = 0 [pid 5386] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5382] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5387] write(3, "1000", 4) = 4 [pid 5387] close(3) = 0 [pid 5387] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5388 attached [pid 5384] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5388 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5388] set_robust_list(0x555555ab3660, 24 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5388] <... set_robust_list resumed>) = 0 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5387] <... bpf resumed>) = 3 [pid 5388] <... prctl resumed>) = 0 [pid 5388] setpgid(0, 0 [pid 5387] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5388] <... setpgid resumed>) = 0 [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] <... bpf resumed>) = 4 [pid 5387] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5388] <... openat resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5388] write(3, "1000", 4./strace-static-x86_64: Process 5389 attached [pid 5389] set_robust_list(0x555555ab3660, 24 [pid 5388] <... write resumed>) = 4 [pid 5387] <... bpf resumed>) = 5 [pid 5386] <... bpf resumed>) = 5 [pid 5385] <... bpf resumed>) = 5 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5389 [pid 5389] <... set_robust_list resumed>) = 0 [pid 5387] perf_event_open(NULL, 0, -1, -1, 0 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] close(3 [pid 5387] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5385] perf_event_open(NULL, 0, -1, -1, 0 [pid 5389] <... prctl resumed>) = 0 [pid 5388] <... close resumed>) = 0 [pid 5387] exit_group(0 [pid 5386] perf_event_open(NULL, 0, -1, -1, 0 [pid 5385] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5389] setpgid(0, 0 [pid 5388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5387] <... exit_group resumed>) = ? [pid 5386] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5385] exit_group(0 [pid 5389] <... setpgid resumed>) = 0 [pid 5388] <... bpf resumed>) = 3 [pid 5387] +++ exited with 0 +++ [pid 5386] exit_group(0 [pid 5385] <... exit_group resumed>) = ? [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5390 attached [pid 5389] <... openat resumed>) = 3 [pid 5388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5386] <... exit_group resumed>) = ? [pid 5390] set_robust_list(0x555555ab3660, 24 [pid 5389] write(3, "1000", 4 [pid 5388] <... bpf resumed>) = 4 [pid 5390] <... set_robust_list resumed>) = 0 [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5389] <... write resumed>) = 4 [pid 5388] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5390] <... prctl resumed>) = 0 [pid 5389] close(3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5390 [pid 5390] setpgid(0, 0 [pid 5389] <... close resumed>) = 0 [pid 5390] <... setpgid resumed>) = 0 [pid 5389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5389] <... bpf resumed>) = 3 [pid 5390] <... openat resumed>) = 3 [pid 5389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5390] write(3, "1000", 4) = 4 [pid 5390] close(3 [pid 5389] <... bpf resumed>) = 4 [pid 5390] <... close resumed>) = 0 [pid 5390] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5390] <... bpf resumed>) = 3 [pid 5390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5386] +++ exited with 0 +++ [pid 5385] +++ exited with 0 +++ [pid 5390] <... bpf resumed>) = 4 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5390] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5391 attached [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5391] set_robust_list(0x555555ab3660, 24 [pid 5390] <... bpf resumed>) = 5 [pid 5389] <... bpf resumed>) = 5 [pid 5388] <... bpf resumed>) = 5 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5389] perf_event_open(NULL, 0, -1, -1, 0 [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5389] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5390] perf_event_open(NULL, 0, -1, -1, 0 [pid 5389] exit_group(0 [pid 5391] <... prctl resumed>) = 0 [pid 5390] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5389] <... exit_group resumed>) = ? [pid 5388] perf_event_open(NULL, 0, -1, -1, 0 [pid 5391] setpgid(0, 0 [pid 5390] exit_group(0 [pid 5389] +++ exited with 0 +++ [pid 5388] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5391] <... setpgid resumed>) = 0 [pid 5390] <... exit_group resumed>) = ? [pid 5388] exit_group(0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5389, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5392 attached [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5392 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5391 [pid 5392] set_robust_list(0x555555ab3660, 24) = 0 [pid 5390] +++ exited with 0 +++ [pid 5388] <... exit_group resumed>) = ? [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5391] <... openat resumed>) = 3 [pid 5392] <... prctl resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5392] setpgid(0, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5392] <... setpgid resumed>) = 0 [pid 5391] write(3, "1000", 4 [pid 5388] +++ exited with 0 +++ [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5391] <... write resumed>) = 4 [pid 5392] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5394 attached [pid 5391] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5395 attached [pid 5394] set_robust_list(0x555555ab3660, 24 [pid 5391] <... close resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5394 [pid 5395] set_robust_list(0x555555ab3660, 24 [pid 5394] <... set_robust_list resumed>) = 0 [pid 5392] write(3, "1000", 4 [pid 5391] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5393 attached [pid 5395] <... set_robust_list resumed>) = 0 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5392] <... write resumed>) = 4 [pid 5392] close(3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5393 [pid 5393] set_robust_list(0x555555ab3660, 24 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5394] <... prctl resumed>) = 0 [pid 5392] <... close resumed>) = 0 [pid 5391] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5395 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5395] <... prctl resumed>) = 0 [pid 5394] setpgid(0, 0 [pid 5392] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5395] setpgid(0, 0 [pid 5394] <... setpgid resumed>) = 0 [pid 5392] <... bpf resumed>) = 3 [pid 5392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5393] <... prctl resumed>) = 0 [pid 5395] <... setpgid resumed>) = 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5391] <... bpf resumed>) = 4 [pid 5393] setpgid(0, 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5394] <... openat resumed>) = 3 [pid 5392] <... bpf resumed>) = 4 [pid 5391] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5393] <... setpgid resumed>) = 0 [pid 5394] write(3, "1000", 4 [pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5395] <... openat resumed>) = 3 [pid 5394] <... write resumed>) = 4 [pid 5392] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5391] <... bpf resumed>) = 5 [pid 5393] <... openat resumed>) = 3 [pid 5395] write(3, "1000", 4 [pid 5394] close(3 [pid 5392] <... bpf resumed>) = 5 [pid 5391] perf_event_open(NULL, 0, -1, -1, 0 [pid 5394] <... close resumed>) = 0 [pid 5392] perf_event_open(NULL, 0, -1, -1, 0 [pid 5391] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5392] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5393] write(3, "1000", 4 [pid 5395] <... write resumed>) = 4 [pid 5394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5392] exit_group(0 [pid 5391] exit_group(0 [pid 5393] <... write resumed>) = 4 [pid 5395] close(3 [pid 5393] close(3 [pid 5395] <... close resumed>) = 0 [pid 5394] <... bpf resumed>) = 3 [pid 5392] <... exit_group resumed>) = ? [pid 5391] <... exit_group resumed>) = ? [pid 5393] <... close resumed>) = 0 [pid 5395] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5395] <... bpf resumed>) = 3 [pid 5392] +++ exited with 0 +++ [pid 5391] +++ exited with 0 +++ [pid 5394] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5393] <... bpf resumed>) = 3 [pid 5395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5395] <... bpf resumed>) = 4 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5393] <... bpf resumed>) = 4 [pid 5395] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5396 attached [pid 5393] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5394] <... bpf resumed>) = 5 [pid 5396] set_robust_list(0x555555ab3660, 24 [pid 5393] <... bpf resumed>) = 5 [pid 5395] <... bpf resumed>) = 5 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5393] perf_event_open(NULL, 0, -1, -1, 0 [pid 5394] perf_event_open(NULL, 0, -1, -1, 0 [pid 5395] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5393] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5394] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5397 attached [pid 5393] exit_group(0 [pid 5395] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5394] exit_group(0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5396 [pid 5397] set_robust_list(0x555555ab3660, 24 [pid 5396] <... prctl resumed>) = 0 [pid 5393] <... exit_group resumed>) = ? [pid 5395] exit_group(0 [pid 5394] <... exit_group resumed>) = ? [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5397 [pid 5397] <... set_robust_list resumed>) = 0 [pid 5396] setpgid(0, 0 [pid 5395] <... exit_group resumed>) = ? [pid 5397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5396] <... setpgid resumed>) = 0 [pid 5397] <... prctl resumed>) = 0 [pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5394] +++ exited with 0 +++ [pid 5397] setpgid(0, 0) = 0 [pid 5396] <... openat resumed>) = 3 [pid 5397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5396] write(3, "1000", 4 [pid 5397] <... openat resumed>) = 3 [pid 5396] <... write resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5397] write(3, "1000", 4 [pid 5396] close(3 [pid 5397] <... write resumed>) = 4 [pid 5396] <... close resumed>) = 0 [pid 5397] close(3 [pid 5396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5397] <... close resumed>) = 0 [pid 5397] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5396] <... bpf resumed>) = 3 [pid 5397] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5398 attached [pid 5396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5393] +++ exited with 0 +++ [pid 5395] +++ exited with 0 +++ [pid 5398] set_robust_list(0x555555ab3660, 24 [pid 5397] <... bpf resumed>) = 4 [pid 5396] <... bpf resumed>) = 4 [pid 5398] <... set_robust_list resumed>) = 0 [pid 5397] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5398 [pid 5396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5398] <... prctl resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5399 attached [pid 5398] setpgid(0, 0) = 0 [pid 5399] set_robust_list(0x555555ab3660, 24) = 0 [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5400 attached [pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5397] <... bpf resumed>) = 5 [pid 5396] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5399 [pid 5400] set_robust_list(0x555555ab3660, 24 [pid 5399] setpgid(0, 0 [pid 5396] perf_event_open(NULL, 0, -1, -1, 0 [pid 5400] <... set_robust_list resumed>) = 0 [pid 5399] <... setpgid resumed>) = 0 [pid 5396] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5398] <... openat resumed>) = 3 [pid 5397] perf_event_open(NULL, 0, -1, -1, 0 [pid 5396] exit_group(0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5400 [pid 5398] write(3, "1000", 4 [pid 5397] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5400] <... prctl resumed>) = 0 [pid 5399] <... openat resumed>) = 3 [pid 5397] exit_group(0 [pid 5396] <... exit_group resumed>) = ? [pid 5398] <... write resumed>) = 4 [pid 5400] setpgid(0, 0 [pid 5399] write(3, "1000", 4 [pid 5397] <... exit_group resumed>) = ? [pid 5400] <... setpgid resumed>) = 0 [pid 5399] <... write resumed>) = 4 [pid 5398] close(3 [pid 5397] +++ exited with 0 +++ [pid 5396] +++ exited with 0 +++ [pid 5400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5399] close(3 [pid 5398] <... close resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5399] <... close resumed>) = 0 [pid 5398] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5400] <... openat resumed>) = 3 [pid 5399] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5400] write(3, "1000", 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5400] <... write resumed>) = 4 [pid 5399] <... bpf resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5401 attached [pid 5400] close(3 [pid 5398] <... bpf resumed>) = 3 [pid 5400] <... close resumed>) = 0 [pid 5401] set_robust_list(0x555555ab3660, 24 [pid 5400] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5402 attached [pid 5401] <... set_robust_list resumed>) = 0 [pid 5399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5402] set_robust_list(0x555555ab3660, 24 [pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5401 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5401] <... prctl resumed>) = 0 [pid 5401] setpgid(0, 0) = 0 [pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5399] <... bpf resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5402 [pid 5401] <... openat resumed>) = 3 [pid 5401] write(3, "1000", 4 [pid 5400] <... bpf resumed>) = 3 [pid 5398] <... bpf resumed>) = 4 [pid 5401] <... write resumed>) = 4 [pid 5401] close(3) = 0 [pid 5401] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5402] <... prctl resumed>) = 0 [pid 5400] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5399] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5398] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5402] setpgid(0, 0 [pid 5401] <... bpf resumed>) = 3 [pid 5400] <... bpf resumed>) = 4 [pid 5399] <... bpf resumed>) = 5 [pid 5398] <... bpf resumed>) = 5 [pid 5402] <... setpgid resumed>) = 0 [pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5398] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5398] exit_group(0 [pid 5402] <... openat resumed>) = 3 [pid 5399] perf_event_open(NULL, 0, -1, -1, 0 [pid 5398] <... exit_group resumed>) = ? [pid 5399] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5402] write(3, "1000", 4 [pid 5401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5400] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5399] exit_group(0 [pid 5402] <... write resumed>) = 4 [pid 5402] close(3 [pid 5399] <... exit_group resumed>) = ? [pid 5402] <... close resumed>) = 0 [pid 5401] <... bpf resumed>) = 4 [pid 5402] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5401] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5402] <... bpf resumed>) = 3 [pid 5402] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5400] <... bpf resumed>) = 5 [pid 5398] +++ exited with 0 +++ [pid 5402] <... bpf resumed>) = 4 [pid 5400] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5400] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5400] exit_group(0) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5402] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5403 attached [pid 5403] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5403 [pid 5403] <... set_robust_list resumed>) = 0 [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5401] <... bpf resumed>) = 5 [pid 5399] +++ exited with 0 +++ [pid 5401] perf_event_open(NULL, 0, -1, -1, 0 [pid 5403] setpgid(0, 0 [pid 5401] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5403] <... setpgid resumed>) = 0 [pid 5401] exit_group(0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... restart_syscall resumed>) = 0 [pid 5401] <... exit_group resumed>) = ? [pid 5403] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5404 attached [pid 5404] set_robust_list(0x555555ab3660, 24 [pid 5403] write(3, "1000", 4) = 4 [pid 5403] close(3 [pid 5404] <... set_robust_list resumed>) = 0 [pid 5403] <... close resumed>) = 0 [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5403] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5404] <... prctl resumed>) = 0 [pid 5404] setpgid(0, 0 [pid 5403] <... bpf resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5404 [pid 5404] <... setpgid resumed>) = 0 [pid 5400] +++ exited with 0 +++ [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5404] <... openat resumed>) = 3 [pid 5402] <... bpf resumed>) = 5 [pid 5404] write(3, "1000", 4 [pid 5403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5404] <... write resumed>) = 4 [pid 5403] <... bpf resumed>) = 4 [pid 5402] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5404] close(3 [pid 5402] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5404] <... close resumed>) = 0 [pid 5403] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5402] exit_group(0 [pid 5404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5402] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5404] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5405 attached [pid 5405] set_robust_list(0x555555ab3660, 24 [pid 5404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5405] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5405 [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5405] setpgid(0, 0 [pid 5404] <... bpf resumed>) = 4 [pid 5405] <... setpgid resumed>) = 0 [pid 5404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5403] <... bpf resumed>) = 5 [pid 5401] +++ exited with 0 +++ [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5403] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5403] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5405] <... openat resumed>) = 3 [pid 5403] exit_group(0) = ? [pid 5405] write(3, "1000", 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5405] <... write resumed>) = 4 ./strace-static-x86_64: Process 5406 attached [pid 5405] close(3) = 0 [pid 5406] set_robust_list(0x555555ab3660, 24 [pid 5405] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5406] <... set_robust_list resumed>) = 0 [pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5405] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5406 [pid 5406] <... prctl resumed>) = 0 [pid 5406] setpgid(0, 0) = 0 [pid 5405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5404] <... bpf resumed>) = 5 [pid 5402] +++ exited with 0 +++ [pid 5406] <... openat resumed>) = 3 [pid 5405] <... bpf resumed>) = 4 [pid 5404] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5406] write(3, "1000", 4 [pid 5404] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5406] <... write resumed>) = 4 [pid 5404] exit_group(0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5406] close(3 [pid 5404] <... exit_group resumed>) = ? [pid 5406] <... close resumed>) = 0 ./strace-static-x86_64: Process 5407 attached [pid 5406] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5405] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5407] set_robust_list(0x555555ab3660, 24) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5407 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5406] <... bpf resumed>) = 3 [pid 5404] +++ exited with 0 +++ [pid 5403] +++ exited with 0 +++ [pid 5407] <... prctl resumed>) = 0 [pid 5406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5404, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5407] setpgid(0, 0 [pid 5406] <... bpf resumed>) = 4 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5407] <... setpgid resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5406] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5407] <... openat resumed>) = 3 [pid 5407] write(3, "1000", 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5408 attached [pid 5407] <... write resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5408 ./strace-static-x86_64: Process 5409 attached [pid 5408] set_robust_list(0x555555ab3660, 24 [pid 5407] close(3 [pid 5408] <... set_robust_list resumed>) = 0 [pid 5409] set_robust_list(0x555555ab3660, 24 [pid 5408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5407] <... close resumed>) = 0 [pid 5405] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5409 [pid 5409] <... set_robust_list resumed>) = 0 [pid 5406] <... bpf resumed>) = 5 [pid 5409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5408] <... prctl resumed>) = 0 [pid 5407] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5406] perf_event_open(NULL, 0, -1, -1, 0 [pid 5409] <... prctl resumed>) = 0 [pid 5408] setpgid(0, 0 [pid 5406] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5405] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5409] setpgid(0, 0 [pid 5408] <... setpgid resumed>) = 0 [pid 5407] <... bpf resumed>) = 3 [pid 5406] exit_group(0 [pid 5405] exit_group(0 [pid 5409] <... setpgid resumed>) = 0 [pid 5408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5407] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5406] <... exit_group resumed>) = ? [pid 5405] <... exit_group resumed>) = ? [pid 5409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5408] <... openat resumed>) = 3 [pid 5406] +++ exited with 0 +++ [pid 5405] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5409] <... openat resumed>) = 3 [pid 5408] write(3, "1000", 4 [pid 5407] <... bpf resumed>) = 4 [pid 5409] write(3, "1000", 4 [pid 5408] <... write resumed>) = 4 [pid 5407] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5409] <... write resumed>) = 4 [pid 5408] close(3 [pid 5409] close(3 [pid 5408] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5410 attached [pid 5409] <... close resumed>) = 0 [pid 5408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5410] set_robust_list(0x555555ab3660, 24 [pid 5409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5411 attached [pid 5410] <... set_robust_list resumed>) = 0 [pid 5409] <... bpf resumed>) = 3 [pid 5408] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5410 [pid 5411] set_robust_list(0x555555ab3660, 24 [pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5411] <... set_robust_list resumed>) = 0 [pid 5410] <... prctl resumed>) = 0 [pid 5410] setpgid(0, 0 [pid 5408] <... bpf resumed>) = 4 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5407] <... bpf resumed>) = 5 [pid 5411] <... prctl resumed>) = 0 [pid 5410] <... setpgid resumed>) = 0 [pid 5409] <... bpf resumed>) = 4 [pid 5408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5407] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5411 [pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5407] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5410] <... openat resumed>) = 3 [pid 5409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5408] <... bpf resumed>) = 5 [pid 5407] exit_group(0 [pid 5411] setpgid(0, 0) = 0 [pid 5410] write(3, "1000", 4 [pid 5409] <... bpf resumed>) = 5 [pid 5408] perf_event_open(NULL, 0, -1, -1, 0 [pid 5407] <... exit_group resumed>) = ? [pid 5410] <... write resumed>) = 4 [pid 5409] perf_event_open(NULL, 0, -1, -1, 0 [pid 5408] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5407] +++ exited with 0 +++ [pid 5410] close(3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5409] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5410] <... close resumed>) = 0 [pid 5411] <... openat resumed>) = 3 [pid 5410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5409] exit_group(0 [pid 5408] exit_group(0 [pid 5411] write(3, "1000", 4) = 4 [pid 5410] <... bpf resumed>) = 3 [pid 5409] <... exit_group resumed>) = ? [pid 5408] <... exit_group resumed>) = ? [pid 5411] close(3) = 0 [pid 5411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5411] <... bpf resumed>) = 3 [pid 5411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5412 attached [pid 5410] <... bpf resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5412 [pid 5412] set_robust_list(0x555555ab3660, 24 [pid 5411] <... bpf resumed>) = 4 [pid 5410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5412] <... set_robust_list resumed>) = 0 [pid 5408] +++ exited with 0 +++ [pid 5412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5409] +++ exited with 0 +++ [pid 5412] <... prctl resumed>) = 0 [pid 5411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5412] setpgid(0, 0 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5412] <... setpgid resumed>) = 0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5412] write(3, "1000", 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5412] <... write resumed>) = 4 [pid 5412] close(3./strace-static-x86_64: Process 5414 attached ./strace-static-x86_64: Process 5413 attached ) = 0 [pid 5414] set_robust_list(0x555555ab3660, 24 [pid 5413] set_robust_list(0x555555ab3660, 24 [pid 5412] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5413 [pid 5414] <... set_robust_list resumed>) = 0 [pid 5413] <... set_robust_list resumed>) = 0 [pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5414 [pid 5414] <... prctl resumed>) = 0 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5414] setpgid(0, 0) = 0 [pid 5413] <... prctl resumed>) = 0 [pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5413] setpgid(0, 0 [pid 5412] <... bpf resumed>) = 3 [pid 5410] <... bpf resumed>) = 5 [pid 5414] <... openat resumed>) = 3 [pid 5413] <... setpgid resumed>) = 0 [pid 5412] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5411] <... bpf resumed>) = 5 [pid 5410] perf_event_open(NULL, 0, -1, -1, 0 [pid 5414] write(3, "1000", 4 [pid 5411] perf_event_open(NULL, 0, -1, -1, 0 [pid 5410] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5410] exit_group(0 [pid 5411] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5410] <... exit_group resumed>) = ? [pid 5414] <... write resumed>) = 4 [pid 5413] <... openat resumed>) = 3 [pid 5412] <... bpf resumed>) = 4 [pid 5411] exit_group(0 [pid 5414] close(3 [pid 5413] write(3, "1000", 4 [pid 5414] <... close resumed>) = 0 [pid 5413] <... write resumed>) = 4 [pid 5411] <... exit_group resumed>) = ? [pid 5414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5413] close(3 [pid 5412] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5413] <... close resumed>) = 0 [pid 5413] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5414] <... bpf resumed>) = 3 [pid 5413] <... bpf resumed>) = 3 [pid 5411] +++ exited with 0 +++ [pid 5410] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] <... restart_syscall resumed>) = 0 [pid 5413] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5415 attached [pid 5415] set_robust_list(0x555555ab3660, 24) = 0 [pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5413] <... bpf resumed>) = 4 [pid 5415] <... prctl resumed>) = 0 [pid 5415] setpgid(0, 0./strace-static-x86_64: Process 5416 attached ) = 0 [pid 5414] <... bpf resumed>) = 4 [pid 5413] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5415 [pid 5416] set_robust_list(0x555555ab3660, 24 [pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5412] <... bpf resumed>) = 5 [pid 5416] <... set_robust_list resumed>) = 0 [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5415] <... openat resumed>) = 3 [pid 5414] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5413] <... bpf resumed>) = 5 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5416 [pid 5412] perf_event_open(NULL, 0, -1, -1, 0 [pid 5416] <... prctl resumed>) = 0 [pid 5414] <... bpf resumed>) = 5 [pid 5413] perf_event_open(NULL, 0, -1, -1, 0 [pid 5412] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5416] setpgid(0, 0 [pid 5415] write(3, "1000", 4 [pid 5414] perf_event_open(NULL, 0, -1, -1, 0 [pid 5413] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5416] <... setpgid resumed>) = 0 [pid 5415] <... write resumed>) = 4 [pid 5414] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5412] exit_group(0 [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5415] close(3 [pid 5413] exit_group(0 [pid 5415] <... close resumed>) = 0 [pid 5414] exit_group(0 [pid 5412] <... exit_group resumed>) = ? [pid 5416] <... openat resumed>) = 3 [pid 5415] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5414] <... exit_group resumed>) = ? [pid 5416] write(3, "1000", 4 [pid 5415] <... bpf resumed>) = 3 [pid 5413] <... exit_group resumed>) = ? [pid 5412] +++ exited with 0 +++ [pid 5416] <... write resumed>) = 4 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5412, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5416] close(3 [pid 5415] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5416] <... close resumed>) = 0 [pid 5416] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5415] <... bpf resumed>) = 4 [pid 5415] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5416] <... bpf resumed>) = 3 [pid 5414] +++ exited with 0 +++ [pid 5413] +++ exited with 0 +++ [pid 5416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5417 attached [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5416] <... bpf resumed>) = 4 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5417] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5417 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5417] <... set_robust_list resumed>) = 0 [pid 5417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5417] <... prctl resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5418 attached [pid 5417] setpgid(0, 0 [pid 5418] set_robust_list(0x555555ab3660, 24 [pid 5417] <... setpgid resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5418 [pid 5418] <... set_robust_list resumed>) = 0 [pid 5417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5417] write(3, "1000", 4) = 4 [pid 5418] setpgid(0, 0 [pid 5417] close(3) = 0 [pid 5418] <... setpgid resumed>) = 0 [pid 5417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5419 ./strace-static-x86_64: Process 5419 attached [pid 5418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5419] set_robust_list(0x555555ab3660, 24 [pid 5418] <... openat resumed>) = 3 [pid 5417] <... bpf resumed>) = 3 [pid 5419] <... set_robust_list resumed>) = 0 [pid 5417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5418] write(3, "1000", 4 [pid 5419] setpgid(0, 0 [pid 5418] <... write resumed>) = 4 [pid 5416] <... bpf resumed>) = 5 [pid 5415] <... bpf resumed>) = 5 [pid 5419] <... setpgid resumed>) = 0 [pid 5418] close(3 [pid 5417] <... bpf resumed>) = 4 [pid 5415] perf_event_open(NULL, 0, -1, -1, 0 [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5418] <... close resumed>) = 0 [pid 5416] perf_event_open(NULL, 0, -1, -1, 0 [pid 5415] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5419] <... openat resumed>) = 3 [pid 5418] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5416] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5415] exit_group(0 [pid 5419] write(3, "1000", 4 [pid 5418] <... bpf resumed>) = 3 [pid 5417] <... bpf resumed>) = 5 [pid 5416] exit_group(0 [pid 5415] <... exit_group resumed>) = ? [pid 5419] <... write resumed>) = 4 [pid 5417] perf_event_open(NULL, 0, -1, -1, 0 [pid 5419] close(3) = 0 [pid 5419] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5417] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5416] <... exit_group resumed>) = ? [pid 5415] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5415, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5417] exit_group(0 [pid 5419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5418] <... bpf resumed>) = 4 [pid 5417] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5418] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5420 attached [pid 5419] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5417] +++ exited with 0 +++ [pid 5416] +++ exited with 0 +++ [pid 5420] set_robust_list(0x555555ab3660, 24 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5420 [pid 5420] <... set_robust_list resumed>) = 0 [pid 5420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5420] <... prctl resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5422 attached [pid 5420] setpgid(0, 0 [pid 5422] set_robust_list(0x555555ab3660, 24 [pid 5420] <... setpgid resumed>) = 0 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5422] <... prctl resumed>) = 0 [pid 5420] <... openat resumed>) = 3 [pid 5422] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5422 ./strace-static-x86_64: Process 5421 attached [pid 5422] <... setpgid resumed>) = 0 [pid 5420] write(3, "1000", 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5421 [pid 5421] set_robust_list(0x555555ab3660, 24 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5420] <... write resumed>) = 4 [pid 5421] <... set_robust_list resumed>) = 0 [pid 5422] <... openat resumed>) = 3 [pid 5420] close(3) = 0 [pid 5421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5422] write(3, "1000", 4 [pid 5420] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5421] <... prctl resumed>) = 0 [pid 5422] <... write resumed>) = 4 [pid 5419] <... bpf resumed>) = 5 [pid 5418] <... bpf resumed>) = 5 [pid 5421] setpgid(0, 0 [pid 5422] close(3 [pid 5420] <... bpf resumed>) = 3 [pid 5419] perf_event_open(NULL, 0, -1, -1, 0 [pid 5418] perf_event_open(NULL, 0, -1, -1, 0 [pid 5421] <... setpgid resumed>) = 0 [pid 5422] <... close resumed>) = 0 [pid 5419] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5422] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5418] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5421] <... openat resumed>) = 3 [pid 5420] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5419] exit_group(0 [pid 5418] exit_group(0 [pid 5421] write(3, "1000", 4 [pid 5422] <... bpf resumed>) = 3 [pid 5420] <... bpf resumed>) = 4 [pid 5419] <... exit_group resumed>) = ? [pid 5418] <... exit_group resumed>) = ? [pid 5421] <... write resumed>) = 4 [pid 5422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5421] close(3) = 0 [pid 5422] <... bpf resumed>) = 4 [pid 5420] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5421] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5422] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5421] <... bpf resumed>) = 3 [pid 5421] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5421] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5418] +++ exited with 0 +++ [pid 5419] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5423 attached [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5423] set_robust_list(0x555555ab3660, 24) = 0 [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5424 attached ) = 0 [pid 5424] set_robust_list(0x555555ab3660, 24 [pid 5423] setpgid(0, 0 [pid 5424] <... set_robust_list resumed>) = 0 [pid 5423] <... setpgid resumed>) = 0 [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5423 [pid 5424] <... prctl resumed>) = 0 [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5424 [pid 5424] setpgid(0, 0 [pid 5423] <... openat resumed>) = 3 [pid 5424] <... setpgid resumed>) = 0 [pid 5423] write(3, "1000", 4 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5423] <... write resumed>) = 4 [pid 5424] <... openat resumed>) = 3 [pid 5423] close(3) = 0 [pid 5424] write(3, "1000", 4) = 4 [pid 5423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5421] <... bpf resumed>) = 5 [pid 5422] <... bpf resumed>) = 5 [pid 5420] <... bpf resumed>) = 5 [pid 5424] close(3 [pid 5421] perf_event_open(NULL, 0, -1, -1, 0 [pid 5422] perf_event_open(NULL, 0, -1, -1, 0 [pid 5420] perf_event_open(NULL, 0, -1, -1, 0 [pid 5422] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5422] exit_group(0) = ? [pid 5424] <... close resumed>) = 0 [pid 5423] <... bpf resumed>) = 3 [pid 5421] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5422] +++ exited with 0 +++ [pid 5420] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5424] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5421] exit_group(0 [pid 5420] exit_group(0 [pid 5421] <... exit_group resumed>) = ? [pid 5420] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5424] <... bpf resumed>) = 3 [pid 5423] <... bpf resumed>) = 4 [pid 5421] +++ exited with 0 +++ [pid 5420] +++ exited with 0 +++ ./strace-static-x86_64: Process 5425 attached [pid 5424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5423] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5421, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5425] set_robust_list(0x555555ab3660, 24) = 0 [pid 5424] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5425 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5424] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5426 attached [pid 5425] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5427 attached [pid 5426] set_robust_list(0x555555ab3660, 24 [pid 5425] setpgid(0, 0 [pid 5427] set_robust_list(0x555555ab3660, 24 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5425] <... setpgid resumed>) = 0 [pid 5427] <... set_robust_list resumed>) = 0 [pid 5426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5426] <... prctl resumed>) = 0 [pid 5427] <... prctl resumed>) = 0 [pid 5427] setpgid(0, 0 [pid 5426] setpgid(0, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5426 [pid 5427] <... setpgid resumed>) = 0 [pid 5426] <... setpgid resumed>) = 0 [pid 5425] <... openat resumed>) = 3 [pid 5427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5425] write(3, "1000", 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5427 [pid 5427] <... openat resumed>) = 3 [pid 5425] <... write resumed>) = 4 [pid 5427] write(3, "1000", 4 [pid 5426] <... openat resumed>) = 3 [pid 5425] close(3 [pid 5427] <... write resumed>) = 4 [pid 5426] write(3, "1000", 4 [pid 5425] <... close resumed>) = 0 [pid 5423] <... bpf resumed>) = 5 [pid 5427] close(3 [pid 5426] <... write resumed>) = 4 [pid 5425] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5424] <... bpf resumed>) = 5 [pid 5427] <... close resumed>) = 0 [pid 5426] close(3 [pid 5423] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5427] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5426] <... close resumed>) = 0 [pid 5425] <... bpf resumed>) = 3 [pid 5424] perf_event_open(NULL, 0, -1, -1, 0 [pid 5423] exit_group(0 [pid 5426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5423] <... exit_group resumed>) = ? [pid 5427] <... bpf resumed>) = 3 [pid 5426] <... bpf resumed>) = 3 [pid 5425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5424] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5425] <... bpf resumed>) = 4 [pid 5424] exit_group(0 [pid 5427] <... bpf resumed>) = 4 [pid 5426] <... bpf resumed>) = 4 [pid 5425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5424] <... exit_group resumed>) = ? [pid 5427] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5424] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5423, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5428 attached [pid 5428] set_robust_list(0x555555ab3660, 24) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5428 [pid 5428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5429 [pid 5428] setpgid(0, 0) = 0 [pid 5428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5428] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5429 attached [pid 5428] close(3 [pid 5429] set_robust_list(0x555555ab3660, 24 [pid 5428] <... close resumed>) = 0 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5428] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5429] setpgid(0, 0) = 0 [pid 5429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5428] <... bpf resumed>) = 3 [pid 5429] <... openat resumed>) = 3 [pid 5428] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5429] write(3, "1000", 4) = 4 [pid 5428] <... bpf resumed>) = 4 [pid 5429] close(3 [pid 5428] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5429] <... close resumed>) = 0 [pid 5429] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5427] <... bpf resumed>) = 5 [pid 5427] perf_event_open(NULL, 0, -1, -1, 0 [pid 5426] <... bpf resumed>) = 5 [pid 5428] <... bpf resumed>) = 5 [pid 5427] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5426] perf_event_open(NULL, 0, -1, -1, 0 [pid 5425] <... bpf resumed>) = 5 [pid 5428] perf_event_open(NULL, 0, -1, -1, 0 [pid 5427] exit_group(0 [pid 5426] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5425] perf_event_open(NULL, 0, -1, -1, 0 [pid 5428] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5427] <... exit_group resumed>) = ? [pid 5426] exit_group(0 [pid 5425] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5429] <... bpf resumed>) = 4 [pid 5428] exit_group(0 [pid 5427] +++ exited with 0 +++ [pid 5426] <... exit_group resumed>) = ? [pid 5425] exit_group(0 [pid 5429] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5426] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5428] <... exit_group resumed>) = ? [pid 5425] <... exit_group resumed>) = ? [pid 5429] <... bpf resumed>) = 5 [pid 5428] +++ exited with 0 +++ [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5430 attached [pid 5429] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5430] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5430 [pid 5430] <... set_robust_list resumed>) = 0 [pid 5429] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5429] exit_group(0) = ? [pid 5074] <... restart_syscall resumed>) = 0 [pid 5430] <... prctl resumed>) = 0 [pid 5430] setpgid(0, 0) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5431 attached ) = 3 [pid 5429] +++ exited with 0 +++ [pid 5425] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5425, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5431] set_robust_list(0x555555ab3660, 24 [pid 5430] write(3, "1000", 4 [pid 5431] <... set_robust_list resumed>) = 0 [pid 5430] <... write resumed>) = 4 [pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5430] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5432 attached [pid 5430] <... close resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5431 [pid 5432] set_robust_list(0x555555ab3660, 24 [pid 5431] <... prctl resumed>) = 0 [pid 5430] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5432 [pid 5432] <... set_robust_list resumed>) = 0 [pid 5431] setpgid(0, 0./strace-static-x86_64: Process 5433 attached [pid 5432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5431] <... setpgid resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5434 attached [pid 5433] set_robust_list(0x555555ab3660, 24 [pid 5432] <... prctl resumed>) = 0 [pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5430] <... bpf resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5433 [pid 5434] set_robust_list(0x555555ab3660, 24 [pid 5433] <... set_robust_list resumed>) = 0 [pid 5432] setpgid(0, 0 [pid 5434] <... set_robust_list resumed>) = 0 [pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5432] <... setpgid resumed>) = 0 [pid 5431] <... openat resumed>) = 3 [pid 5430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5434 [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5433] <... prctl resumed>) = 0 [pid 5432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5431] write(3, "1000", 4 [pid 5434] <... prctl resumed>) = 0 [pid 5433] setpgid(0, 0 [pid 5432] <... openat resumed>) = 3 [pid 5431] <... write resumed>) = 4 [pid 5430] <... bpf resumed>) = 4 [pid 5434] setpgid(0, 0 [pid 5433] <... setpgid resumed>) = 0 [pid 5432] write(3, "1000", 4 [pid 5431] close(3 [pid 5430] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5434] <... setpgid resumed>) = 0 [pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5432] <... write resumed>) = 4 [pid 5431] <... close resumed>) = 0 [pid 5432] close(3) = 0 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5433] <... openat resumed>) = 3 [pid 5432] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5434] <... openat resumed>) = 3 [pid 5433] write(3, "1000", 4 [pid 5432] <... bpf resumed>) = 3 [pid 5430] <... bpf resumed>) = 5 [pid 5431] <... bpf resumed>) = 3 [pid 5434] write(3, "1000", 4 [pid 5433] <... write resumed>) = 4 [pid 5430] perf_event_open(NULL, 0, -1, -1, 0 [pid 5433] close(3 [pid 5431] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5430] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5434] <... write resumed>) = 4 [pid 5433] <... close resumed>) = 0 [pid 5432] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5430] exit_group(0 [pid 5434] close(3 [pid 5433] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5434] <... close resumed>) = 0 [pid 5433] <... bpf resumed>) = 3 [pid 5432] <... bpf resumed>) = 4 [pid 5431] <... bpf resumed>) = 4 [pid 5430] <... exit_group resumed>) = ? [pid 5434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5433] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5430] +++ exited with 0 +++ [pid 5432] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5433] <... bpf resumed>) = 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5433] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5435 attached [pid 5434] <... bpf resumed>) = 4 [pid 5433] <... bpf resumed>) = 5 [pid 5432] <... bpf resumed>) = 5 [pid 5431] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5435 [pid 5435] set_robust_list(0x555555ab3660, 24 [pid 5434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5433] perf_event_open(NULL, 0, -1, -1, 0 [pid 5432] perf_event_open(NULL, 0, -1, -1, 0 [pid 5431] perf_event_open(NULL, 0, -1, -1, 0 [pid 5435] <... set_robust_list resumed>) = 0 [pid 5434] <... bpf resumed>) = 5 [pid 5433] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5432] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5431] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5434] perf_event_open(NULL, 0, -1, -1, 0 [pid 5433] exit_group(0 [pid 5432] exit_group(0 [pid 5435] <... prctl resumed>) = 0 [pid 5434] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5433] <... exit_group resumed>) = ? [pid 5432] <... exit_group resumed>) = ? [pid 5431] exit_group(0 [pid 5435] setpgid(0, 0 [pid 5431] <... exit_group resumed>) = ? [pid 5435] <... setpgid resumed>) = 0 [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5434] exit_group(0 [pid 5433] +++ exited with 0 +++ [pid 5431] +++ exited with 0 +++ [pid 5435] <... openat resumed>) = 3 [pid 5434] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5435] write(3, "1000", 4) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5435] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5435] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5436 attached ./strace-static-x86_64: Process 5437 attached [pid 5435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5436] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5437 [pid 5437] set_robust_list(0x555555ab3660, 24 [pid 5436] <... set_robust_list resumed>) = 0 [pid 5435] <... bpf resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5436 [pid 5437] <... set_robust_list resumed>) = 0 [pid 5436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5436] <... prctl resumed>) = 0 [pid 5437] <... prctl resumed>) = 0 [pid 5435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5437] setpgid(0, 0 [pid 5436] setpgid(0, 0 [pid 5437] <... setpgid resumed>) = 0 [pid 5436] <... setpgid resumed>) = 0 [pid 5435] <... bpf resumed>) = 4 [pid 5436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5436] <... openat resumed>) = 3 [pid 5437] <... openat resumed>) = 3 [pid 5436] write(3, "1000", 4 [pid 5435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5432] +++ exited with 0 +++ [pid 5437] write(3, "1000", 4 [pid 5436] <... write resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5437] <... write resumed>) = 4 [pid 5436] close(3 [pid 5435] perf_event_open(NULL, 0, -1, -1, 0 [pid 5437] close(3 [pid 5436] <... close resumed>) = 0 [pid 5437] <... close resumed>) = 0 [pid 5436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5435] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5437] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5435] exit_group(0) = ? ./strace-static-x86_64: Process 5438 attached [pid 5437] <... bpf resumed>) = 3 [pid 5436] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5438 [pid 5438] set_robust_list(0x555555ab3660, 24 [pid 5437] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5438] <... set_robust_list resumed>) = 0 [pid 5437] <... bpf resumed>) = 4 [pid 5438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5437] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5436] <... bpf resumed>) = 4 [pid 5438] <... prctl resumed>) = 0 [pid 5437] <... bpf resumed>) = 5 [pid 5434] +++ exited with 0 +++ [pid 5436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5438] setpgid(0, 0 [pid 5437] perf_event_open(NULL, 0, -1, -1, 0 [pid 5436] <... bpf resumed>) = 5 [pid 5438] <... setpgid resumed>) = 0 [pid 5437] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5436] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5437] exit_group(0 [pid 5436] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5439 attached [pid 5438] <... openat resumed>) = 3 [pid 5437] <... exit_group resumed>) = ? [pid 5436] exit_group(0 [pid 5435] +++ exited with 0 +++ [pid 5439] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5439 [pid 5439] <... set_robust_list resumed>) = 0 [pid 5438] write(3, "1000", 4 [pid 5436] <... exit_group resumed>) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5438] <... write resumed>) = 4 [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5439] <... prctl resumed>) = 0 [pid 5438] close(3 [pid 5437] +++ exited with 0 +++ [pid 5436] +++ exited with 0 +++ [pid 5438] <... close resumed>) = 0 [pid 5439] setpgid(0, 0 [pid 5438] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5439] <... setpgid resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5440 attached [pid 5439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5438] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5441 attached [pid 5438] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5441] set_robust_list(0x555555ab3660, 24 [pid 5440] set_robust_list(0x555555ab3660, 24 [pid 5439] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5441] <... set_robust_list resumed>) = 0 [pid 5440] <... set_robust_list resumed>) = 0 [pid 5438] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5442 attached [pid 5441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5439] write(3, "1000", 4 [pid 5438] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5441 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5440 [pid 5442] set_robust_list(0x555555ab3660, 24 [pid 5441] <... prctl resumed>) = 0 [pid 5440] <... prctl resumed>) = 0 [pid 5442] <... set_robust_list resumed>) = 0 [pid 5441] setpgid(0, 0 [pid 5440] setpgid(0, 0 [pid 5439] <... write resumed>) = 4 [pid 5438] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5442 [pid 5442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5441] <... setpgid resumed>) = 0 [pid 5440] <... setpgid resumed>) = 0 [pid 5439] close(3 [pid 5438] perf_event_open(NULL, 0, -1, -1, 0 [pid 5442] <... prctl resumed>) = 0 [pid 5441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5439] <... close resumed>) = 0 [pid 5438] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5442] setpgid(0, 0 [pid 5441] <... openat resumed>) = 3 [pid 5440] <... openat resumed>) = 3 [pid 5439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5438] exit_group(0 [pid 5442] <... setpgid resumed>) = 0 [pid 5441] write(3, "1000", 4 [pid 5440] write(3, "1000", 4 [pid 5439] <... bpf resumed>) = 3 [pid 5438] <... exit_group resumed>) = ? [pid 5442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5440] <... write resumed>) = 4 [pid 5439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5442] <... openat resumed>) = 3 [pid 5441] <... write resumed>) = 4 [pid 5440] close(3 [pid 5438] +++ exited with 0 +++ [pid 5442] write(3, "1000", 4 [pid 5441] close(3 [pid 5440] <... close resumed>) = 0 [pid 5439] <... bpf resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5442] <... write resumed>) = 4 [pid 5441] <... close resumed>) = 0 [pid 5442] close(3 [pid 5441] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5440] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5442] <... close resumed>) = 0 [pid 5441] <... bpf resumed>) = 3 [pid 5440] <... bpf resumed>) = 3 [pid 5439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5442] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5443 attached [pid 5443] set_robust_list(0x555555ab3660, 24) = 0 [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5441] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5440] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5439] <... bpf resumed>) = 5 [pid 5443] <... prctl resumed>) = 0 [pid 5439] perf_event_open(NULL, 0, -1, -1, 0 [pid 5441] <... bpf resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5443 [pid 5439] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5442] <... bpf resumed>) = 4 [pid 5439] exit_group(0) = ? [pid 5443] setpgid(0, 0 [pid 5442] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5441] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5440] <... bpf resumed>) = 4 [pid 5439] +++ exited with 0 +++ [pid 5443] <... setpgid resumed>) = 0 [pid 5440] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5439, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5444 attached [pid 5443] <... openat resumed>) = 3 [pid 5444] set_robust_list(0x555555ab3660, 24 [pid 5443] write(3, "1000", 4 [pid 5444] <... set_robust_list resumed>) = 0 [pid 5443] <... write resumed>) = 4 [pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5443] close(3 [pid 5444] <... prctl resumed>) = 0 [pid 5443] <... close resumed>) = 0 [pid 5444] setpgid(0, 0) = 0 [pid 5443] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5444 [pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5443] <... bpf resumed>) = 3 [pid 5444] <... openat resumed>) = 3 [pid 5444] write(3, "1000", 4) = 4 [pid 5443] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5444] close(3) = 0 [pid 5444] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5443] <... bpf resumed>) = 4 [pid 5443] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5444] <... bpf resumed>) = 3 [pid 5444] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5444] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5442] <... bpf resumed>) = 5 [pid 5441] <... bpf resumed>) = 5 [pid 5440] <... bpf resumed>) = 5 [pid 5443] <... bpf resumed>) = 5 [pid 5442] perf_event_open(NULL, 0, -1, -1, 0 [pid 5441] perf_event_open(NULL, 0, -1, -1, 0 [pid 5440] perf_event_open(NULL, 0, -1, -1, 0 [pid 5443] perf_event_open(NULL, 0, -1, -1, 0 [pid 5442] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5441] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5440] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5443] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5444] <... bpf resumed>) = 5 [pid 5443] exit_group(0 [pid 5442] exit_group(0 [pid 5441] exit_group(0 [pid 5440] exit_group(0 [pid 5444] perf_event_open(NULL, 0, -1, -1, 0 [pid 5443] <... exit_group resumed>) = ? [pid 5442] <... exit_group resumed>) = ? [pid 5441] <... exit_group resumed>) = ? [pid 5440] <... exit_group resumed>) = ? [pid 5444] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5444] exit_group(0) = ? [pid 5442] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5444] +++ exited with 0 +++ [pid 5441] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5440] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5445 attached [pid 5443] +++ exited with 0 +++ [pid 5445] set_robust_list(0x555555ab3660, 24) = 0 [pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5445] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5446 attached [pid 5445] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5449 attached ./strace-static-x86_64: Process 5448 attached ./strace-static-x86_64: Process 5447 attached [pid 5446] set_robust_list(0x555555ab3660, 24 [pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5449] set_robust_list(0x555555ab3660, 24 [pid 5448] set_robust_list(0x555555ab3660, 24 [pid 5447] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5445 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5446] <... set_robust_list resumed>) = 0 [pid 5445] <... openat resumed>) = 3 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5446 [pid 5448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5448] <... prctl resumed>) = 0 [pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5446] <... prctl resumed>) = 0 [pid 5445] write(3, "1000", 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5449 [pid 5449] setpgid(0, 0 [pid 5448] setpgid(0, 0 [pid 5447] <... prctl resumed>) = 0 [pid 5446] setpgid(0, 0 [pid 5445] <... write resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5447 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5448 [pid 5449] <... setpgid resumed>) = 0 [pid 5448] <... setpgid resumed>) = 0 [pid 5447] setpgid(0, 0 [pid 5446] <... setpgid resumed>) = 0 [pid 5445] close(3 [pid 5449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5447] <... setpgid resumed>) = 0 [pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5445] <... close resumed>) = 0 [pid 5449] <... openat resumed>) = 3 [pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5445] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5449] write(3, "1000", 4 [pid 5448] <... openat resumed>) = 3 [pid 5446] <... openat resumed>) = 3 [pid 5449] <... write resumed>) = 4 [pid 5448] write(3, "1000", 4 [pid 5446] write(3, "1000", 4 [pid 5445] <... bpf resumed>) = 3 [pid 5449] close(3 [pid 5448] <... write resumed>) = 4 [pid 5447] <... openat resumed>) = 3 [pid 5446] <... write resumed>) = 4 [pid 5445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5449] <... close resumed>) = 0 [pid 5448] close(3 [pid 5447] write(3, "1000", 4 [pid 5446] close(3 [pid 5445] <... bpf resumed>) = 4 [pid 5449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5448] <... close resumed>) = 0 [pid 5447] <... write resumed>) = 4 [pid 5446] <... close resumed>) = 0 [pid 5445] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5447] close(3) = 0 [pid 5447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5449] <... bpf resumed>) = 3 [pid 5449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5448] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5447] <... bpf resumed>) = 3 [pid 5446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5445] <... bpf resumed>) = 5 [pid 5447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5449] <... bpf resumed>) = 4 [pid 5448] <... bpf resumed>) = 3 [pid 5446] <... bpf resumed>) = 3 [pid 5445] perf_event_open(NULL, 0, -1, -1, 0 [pid 5447] <... bpf resumed>) = 4 [pid 5448] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5445] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5449] <... bpf resumed>) = 5 [pid 5448] <... bpf resumed>) = 4 [pid 5447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5445] exit_group(0 [pid 5447] <... bpf resumed>) = 5 [pid 5445] <... exit_group resumed>) = ? [pid 5449] perf_event_open(NULL, 0, -1, -1, 0 [pid 5448] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5447] perf_event_open(NULL, 0, -1, -1, 0 [pid 5446] <... bpf resumed>) = 4 [pid 5445] +++ exited with 0 +++ [pid 5449] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5448] <... bpf resumed>) = 5 [pid 5447] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5448] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5446] <... bpf resumed>) = 5 [pid 5449] exit_group(0 [pid 5448] exit_group(0 [pid 5447] exit_group(0 [pid 5446] perf_event_open(NULL, 0, -1, -1, 0 [pid 5449] <... exit_group resumed>) = ? [pid 5448] <... exit_group resumed>) = ? [pid 5447] <... exit_group resumed>) = ? [pid 5446] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5448] +++ exited with 0 +++ [pid 5446] exit_group(0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5446] <... exit_group resumed>) = ? [pid 5447] +++ exited with 0 +++ [pid 5449] +++ exited with 0 +++ [pid 5446] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5449, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5451 attached ./strace-static-x86_64: Process 5450 attached [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5452 attached [pid 5451] set_robust_list(0x555555ab3660, 24 [pid 5450] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5450 [pid 5451] <... set_robust_list resumed>) = 0 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5452] set_robust_list(0x555555ab3660, 24) = 0 [pid 5452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5451 [pid 5452] <... prctl resumed>) = 0 [pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5450] <... prctl resumed>) = 0 [pid 5452] setpgid(0, 0 [pid 5451] <... prctl resumed>) = 0 [pid 5450] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5452 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5452] <... setpgid resumed>) = 0 [pid 5451] setpgid(0, 0 [pid 5450] <... setpgid resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5454 attached ./strace-static-x86_64: Process 5453 attached [pid 5452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5451] <... setpgid resumed>) = 0 [pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5454] set_robust_list(0x555555ab3660, 24) = 0 [pid 5453] set_robust_list(0x555555ab3660, 24 [pid 5452] <... openat resumed>) = 3 [pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5450] <... openat resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5453 [pid 5453] <... set_robust_list resumed>) = 0 [pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5450] write(3, "1000", 4 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5453] <... prctl resumed>) = 0 [pid 5452] write(3, "1000", 4 [pid 5451] <... openat resumed>) = 3 [pid 5450] <... write resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5454 [pid 5454] <... prctl resumed>) = 0 [pid 5453] setpgid(0, 0 [pid 5452] <... write resumed>) = 4 [pid 5451] write(3, "1000", 4 [pid 5454] setpgid(0, 0 [pid 5453] <... setpgid resumed>) = 0 [pid 5452] close(3 [pid 5451] <... write resumed>) = 4 [pid 5450] close(3 [pid 5454] <... setpgid resumed>) = 0 [pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] <... close resumed>) = 0 [pid 5451] close(3 [pid 5450] <... close resumed>) = 0 [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5453] <... openat resumed>) = 3 [pid 5454] <... openat resumed>) = 3 [pid 5451] <... close resumed>) = 0 [pid 5450] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5453] write(3, "1000", 4 [pid 5454] write(3, "1000", 4 [pid 5453] <... write resumed>) = 4 [pid 5451] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5454] <... write resumed>) = 4 [pid 5453] close(3 [pid 5454] close(3) = 0 [pid 5453] <... close resumed>) = 0 [pid 5452] <... bpf resumed>) = 3 [pid 5451] <... bpf resumed>) = 3 [pid 5450] <... bpf resumed>) = 3 [pid 5454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5453] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5452] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5450] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5454] <... bpf resumed>) = 3 [pid 5453] <... bpf resumed>) = 3 [pid 5452] <... bpf resumed>) = 4 [pid 5451] <... bpf resumed>) = 4 [pid 5450] <... bpf resumed>) = 4 [pid 5454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5451] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5452] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5450] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5454] <... bpf resumed>) = 4 [pid 5454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5453] <... bpf resumed>) = 4 [pid 5452] <... bpf resumed>) = 5 [pid 5451] <... bpf resumed>) = 5 [pid 5450] <... bpf resumed>) = 5 [pid 5454] <... bpf resumed>) = 5 [pid 5453] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5451] perf_event_open(NULL, 0, -1, -1, 0 [pid 5454] perf_event_open(NULL, 0, -1, -1, 0 [pid 5453] <... bpf resumed>) = 5 [pid 5452] perf_event_open(NULL, 0, -1, -1, 0 [pid 5451] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5454] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5453] perf_event_open(NULL, 0, -1, -1, 0 [pid 5452] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5451] exit_group(0 [pid 5450] perf_event_open(NULL, 0, -1, -1, 0 [pid 5454] exit_group(0 [pid 5453] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5452] exit_group(0 [pid 5451] <... exit_group resumed>) = ? [pid 5450] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5454] <... exit_group resumed>) = ? [pid 5453] exit_group(0 [pid 5452] <... exit_group resumed>) = ? [pid 5450] exit_group(0 [pid 5452] +++ exited with 0 +++ [pid 5451] +++ exited with 0 +++ [pid 5454] +++ exited with 0 +++ [pid 5453] <... exit_group resumed>) = ? [pid 5450] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5453] +++ exited with 0 +++ [pid 5450] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5454, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] <... restart_syscall resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5455 attached [pid 5455] set_robust_list(0x555555ab3660, 24) = 0 [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5457 attached [pid 5457] set_robust_list(0x555555ab3660, 24 [pid 5455] <... prctl resumed>) = 0 [pid 5457] <... set_robust_list resumed>) = 0 [pid 5455] setpgid(0, 0 [pid 5457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5455] <... setpgid resumed>) = 0 [pid 5457] <... prctl resumed>) = 0 [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5456 [pid 5457] setpgid(0, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5458 ./strace-static-x86_64: Process 5458 attached ./strace-static-x86_64: Process 5456 attached [pid 5457] <... setpgid resumed>) = 0 [pid 5455] <... openat resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5457 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5455 [pid 5458] set_robust_list(0x555555ab3660, 24 [pid 5456] set_robust_list(0x555555ab3660, 24 [pid 5457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5455] write(3, "1000", 4 [pid 5457] <... openat resumed>) = 3 [pid 5455] <... write resumed>) = 4 [pid 5455] close(3) = 0 ./strace-static-x86_64: Process 5459 attached [pid 5458] <... set_robust_list resumed>) = 0 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5455] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5459] set_robust_list(0x555555ab3660, 24 [pid 5458] <... prctl resumed>) = 0 [pid 5457] write(3, "1000", 4 [pid 5456] <... prctl resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5459 [pid 5459] <... set_robust_list resumed>) = 0 [pid 5458] setpgid(0, 0 [pid 5457] <... write resumed>) = 4 [pid 5456] setpgid(0, 0 [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5458] <... setpgid resumed>) = 0 [pid 5457] close(3 [pid 5456] <... setpgid resumed>) = 0 [pid 5455] <... bpf resumed>) = 3 [pid 5459] <... prctl resumed>) = 0 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5457] <... close resumed>) = 0 [pid 5456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5455] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5459] setpgid(0, 0 [pid 5458] <... openat resumed>) = 3 [pid 5457] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5456] <... openat resumed>) = 3 [pid 5459] <... setpgid resumed>) = 0 [pid 5458] write(3, "1000", 4 [pid 5456] write(3, "1000", 4 [pid 5455] <... bpf resumed>) = 4 [pid 5458] <... write resumed>) = 4 [pid 5457] <... bpf resumed>) = 3 [pid 5456] <... write resumed>) = 4 [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] close(3 [pid 5457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5456] close(3 [pid 5455] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5459] <... openat resumed>) = 3 [pid 5458] <... close resumed>) = 0 [pid 5456] <... close resumed>) = 0 [pid 5459] write(3, "1000", 4 [pid 5458] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5455] <... bpf resumed>) = 5 [pid 5459] <... write resumed>) = 4 [pid 5457] <... bpf resumed>) = 4 [pid 5456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5459] close(3 [pid 5458] <... bpf resumed>) = 3 [pid 5457] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5455] perf_event_open(NULL, 0, -1, -1, 0 [pid 5459] <... close resumed>) = 0 [pid 5459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5458] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5457] <... bpf resumed>) = 5 [pid 5456] <... bpf resumed>) = 3 [pid 5455] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5458] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5459] <... bpf resumed>) = 3 [pid 5457] perf_event_open(NULL, 0, -1, -1, 0 [pid 5456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5455] exit_group(0 [pid 5459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5458] <... bpf resumed>) = 5 [pid 5457] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5456] <... bpf resumed>) = 4 [pid 5455] <... exit_group resumed>) = ? [pid 5458] perf_event_open(NULL, 0, -1, -1, 0 [pid 5457] exit_group(0 [pid 5458] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5457] <... exit_group resumed>) = ? [pid 5459] <... bpf resumed>) = 4 [pid 5458] exit_group(0) = ? [pid 5459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5455] +++ exited with 0 +++ [pid 5456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5460 attached , child_tidptr=0x555555ab3650) = 5460 [pid 5458] +++ exited with 0 +++ [pid 5460] set_robust_list(0x555555ab3660, 24 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5460] <... set_robust_list resumed>) = 0 [pid 5460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5457] +++ exited with 0 +++ [pid 5460] setpgid(0, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5460] <... setpgid resumed>) = 0 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5460] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5461 attached ./strace-static-x86_64: Process 5462 attached [pid 5460] write(3, "1000", 4) = 4 [pid 5460] close(3 [pid 5462] set_robust_list(0x555555ab3660, 24 [pid 5461] set_robust_list(0x555555ab3660, 24 [pid 5460] <... close resumed>) = 0 [pid 5462] <... set_robust_list resumed>) = 0 [pid 5461] <... set_robust_list resumed>) = 0 [pid 5460] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5461 [pid 5462] <... prctl resumed>) = 0 [pid 5461] <... prctl resumed>) = 0 [pid 5462] setpgid(0, 0 [pid 5461] setpgid(0, 0 [pid 5460] <... bpf resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5462 [pid 5462] <... setpgid resumed>) = 0 [pid 5461] <... setpgid resumed>) = 0 [pid 5460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5460] <... bpf resumed>) = 4 [pid 5459] <... bpf resumed>) = 5 [pid 5456] <... bpf resumed>) = 5 [pid 5462] <... openat resumed>) = 3 [pid 5459] perf_event_open(NULL, 0, -1, -1, 0 [pid 5462] write(3, "1000", 4 [pid 5461] <... openat resumed>) = 3 [pid 5462] <... write resumed>) = 4 [pid 5459] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5461] write(3, "1000", 4 [pid 5462] close(3 [pid 5461] <... write resumed>) = 4 [pid 5462] <... close resumed>) = 0 [pid 5462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5461] close(3 [pid 5459] exit_group(0 [pid 5456] perf_event_open(NULL, 0, -1, -1, 0 [pid 5462] <... bpf resumed>) = 3 [pid 5461] <... close resumed>) = 0 [pid 5460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5459] <... exit_group resumed>) = ? [pid 5456] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5460] <... bpf resumed>) = 5 [pid 5456] exit_group(0) = ? [pid 5461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5459] +++ exited with 0 +++ [pid 5462] <... bpf resumed>) = 4 [pid 5460] perf_event_open(NULL, 0, -1, -1, 0 [pid 5462] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5460] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5459, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5461] <... bpf resumed>) = 3 [pid 5460] exit_group(0) = ? [pid 5461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5462] <... bpf resumed>) = 5 [pid 5461] <... bpf resumed>) = 4 [pid 5456] +++ exited with 0 +++ [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5462] perf_event_open(NULL, 0, -1, -1, 0 [pid 5461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5462] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5462] exit_group(0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5462] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5463 attached ./strace-static-x86_64: Process 5464 attached [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5463 [pid 5464] set_robust_list(0x555555ab3660, 24 [pid 5463] set_robust_list(0x555555ab3660, 24 [pid 5464] <... set_robust_list resumed>) = 0 [pid 5463] <... set_robust_list resumed>) = 0 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] <... prctl resumed>) = 0 [pid 5463] <... prctl resumed>) = 0 [pid 5464] setpgid(0, 0) = 0 [pid 5463] setpgid(0, 0 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5463] <... setpgid resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5464 [pid 5463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] <... openat resumed>) = 3 [pid 5464] write(3, "1000", 4) = 4 [pid 5463] <... openat resumed>) = 3 [pid 5464] close(3 [pid 5463] write(3, "1000", 4 [pid 5464] <... close resumed>) = 0 [pid 5463] <... write resumed>) = 4 [pid 5463] close(3 [pid 5464] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5463] <... close resumed>) = 0 [pid 5463] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5464] <... bpf resumed>) = 3 [pid 5464] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5463] <... bpf resumed>) = 3 [pid 5464] <... bpf resumed>) = 4 [pid 5463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5461] <... bpf resumed>) = 5 [pid 5460] +++ exited with 0 +++ [pid 5461] perf_event_open(NULL, 0, -1, -1, 0 [pid 5464] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5463] <... bpf resumed>) = 4 [pid 5461] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5460, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5463] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5461] exit_group(0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5461] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5465 attached [pid 5465] set_robust_list(0x555555ab3660, 24) = 0 [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5465] setpgid(0, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5465 [pid 5465] <... setpgid resumed>) = 0 [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5464] <... bpf resumed>) = 5 [pid 5463] <... bpf resumed>) = 5 [pid 5465] write(3, "1000", 4 [pid 5464] perf_event_open(NULL, 0, -1, -1, 0 [pid 5463] perf_event_open(NULL, 0, -1, -1, 0 [pid 5462] +++ exited with 0 +++ [pid 5461] +++ exited with 0 +++ [pid 5465] <... write resumed>) = 4 [pid 5464] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5463] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5465] close(3 [pid 5464] exit_group(0 [pid 5463] exit_group(0 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5465] <... close resumed>) = 0 [pid 5464] <... exit_group resumed>) = ? [pid 5463] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] <... restart_syscall resumed>) = 0 [pid 5465] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5465] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5466 attached [pid 5465] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5466] set_robust_list(0x555555ab3660, 24) = 0 [pid 5465] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5466 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] +++ exited with 0 +++ ./strace-static-x86_64: Process 5467 attached [pid 5466] <... prctl resumed>) = 0 [pid 5463] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5467 [pid 5467] set_robust_list(0x555555ab3660, 24 [pid 5466] setpgid(0, 0 [pid 5465] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5467] <... set_robust_list resumed>) = 0 [pid 5466] <... setpgid resumed>) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5466] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5468 attached [pid 5467] <... prctl resumed>) = 0 [pid 5466] write(3, "1000", 4 [pid 5468] set_robust_list(0x555555ab3660, 24 [pid 5467] setpgid(0, 0 [pid 5466] <... write resumed>) = 4 [pid 5468] <... set_robust_list resumed>) = 0 [pid 5467] <... setpgid resumed>) = 0 [pid 5466] close(3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5469 attached [pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5466] <... close resumed>) = 0 [pid 5469] set_robust_list(0x555555ab3660, 24 [pid 5468] <... prctl resumed>) = 0 [pid 5469] <... set_robust_list resumed>) = 0 [pid 5469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5468] setpgid(0, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5468 [pid 5467] <... openat resumed>) = 3 [pid 5466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5468] <... setpgid resumed>) = 0 [pid 5469] <... prctl resumed>) = 0 [pid 5467] write(3, "1000", 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5469 [pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5469] setpgid(0, 0 [pid 5468] <... openat resumed>) = 3 [pid 5466] <... bpf resumed>) = 3 [pid 5467] <... write resumed>) = 4 [pid 5469] <... setpgid resumed>) = 0 [pid 5468] write(3, "1000", 4 [pid 5467] close(3 [pid 5466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5468] <... write resumed>) = 4 [pid 5467] <... close resumed>) = 0 [pid 5466] <... bpf resumed>) = 4 [pid 5469] <... openat resumed>) = 3 [pid 5468] close(3 [pid 5467] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5468] <... close resumed>) = 0 [pid 5466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5469] write(3, "1000", 4) = 4 [pid 5468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5469] close(3 [pid 5468] <... bpf resumed>) = 3 [pid 5467] <... bpf resumed>) = 3 [pid 5469] <... close resumed>) = 0 [pid 5469] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5467] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5466] <... bpf resumed>) = 5 [pid 5465] <... bpf resumed>) = 5 [pid 5468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5465] perf_event_open(NULL, 0, -1, -1, 0 [pid 5469] <... bpf resumed>) = 3 [pid 5468] <... bpf resumed>) = 4 [pid 5467] <... bpf resumed>) = 4 [pid 5466] perf_event_open(NULL, 0, -1, -1, 0 [pid 5465] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5469] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5467] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5466] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5465] exit_group(0 [pid 5468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5466] exit_group(0 [pid 5465] <... exit_group resumed>) = ? [pid 5469] <... bpf resumed>) = 4 [pid 5467] <... bpf resumed>) = 5 [pid 5466] <... exit_group resumed>) = ? [pid 5465] +++ exited with 0 +++ [pid 5469] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5467] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5467] exit_group(0) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5470 attached [pid 5469] <... bpf resumed>) = 5 [pid 5468] <... bpf resumed>) = 5 [pid 5467] +++ exited with 0 +++ [pid 5466] +++ exited with 0 +++ [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5470 [pid 5470] set_robust_list(0x555555ab3660, 24 [pid 5469] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5470] <... set_robust_list resumed>) = 0 [pid 5469] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5469] exit_group(0 [pid 5468] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5470] <... prctl resumed>) = 0 [pid 5469] <... exit_group resumed>) = ? [pid 5468] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5470] setpgid(0, 0 [pid 5468] exit_group(0) = ? ./strace-static-x86_64: Process 5471 attached [pid 5470] <... setpgid resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5472 attached [pid 5471] set_robust_list(0x555555ab3660, 24 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5471 [pid 5471] <... set_robust_list resumed>) = 0 [pid 5470] <... openat resumed>) = 3 [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5470] write(3, "1000", 4 [pid 5472] set_robust_list(0x555555ab3660, 24 [pid 5470] <... write resumed>) = 4 [pid 5472] <... set_robust_list resumed>) = 0 [pid 5471] <... prctl resumed>) = 0 [pid 5470] close(3) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5472 [pid 5470] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5471] setpgid(0, 0) = 0 [pid 5472] <... prctl resumed>) = 0 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5472] setpgid(0, 0 [pid 5471] <... openat resumed>) = 3 [pid 5472] <... setpgid resumed>) = 0 [pid 5470] <... bpf resumed>) = 3 [pid 5471] write(3, "1000", 4 [pid 5472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5471] <... write resumed>) = 4 [pid 5470] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5472] <... openat resumed>) = 3 [pid 5471] close(3 [pid 5472] write(3, "1000", 4 [pid 5471] <... close resumed>) = 0 [pid 5470] <... bpf resumed>) = 4 [pid 5469] +++ exited with 0 +++ [pid 5472] <... write resumed>) = 4 [pid 5472] close(3 [pid 5471] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5470] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5472] <... close resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5469, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5472] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5471] <... bpf resumed>) = 3 [pid 5470] <... bpf resumed>) = 5 [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5470] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5472] <... bpf resumed>) = 3 [pid 5471] <... bpf resumed>) = 4 [pid 5470] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5473 attached [pid 5472] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5470] exit_group(0 [pid 5471] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5473 [pid 5473] set_robust_list(0x555555ab3660, 24 [pid 5472] <... bpf resumed>) = 4 [pid 5471] <... bpf resumed>) = 5 [pid 5470] <... exit_group resumed>) = ? [pid 5468] +++ exited with 0 +++ [pid 5471] perf_event_open(NULL, 0, -1, -1, 0 [pid 5472] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5471] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5472] <... bpf resumed>) = 5 [pid 5472] perf_event_open(NULL, 0, -1, -1, 0 [pid 5471] exit_group(0 [pid 5472] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5473] <... set_robust_list resumed>) = 0 [pid 5472] exit_group(0 [pid 5471] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5474 attached [pid 5472] <... exit_group resumed>) = ? [pid 5473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5472] +++ exited with 0 +++ [pid 5471] +++ exited with 0 +++ [pid 5474] set_robust_list(0x555555ab3660, 24) = 0 [pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5474] setpgid(0, 0) = 0 [pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5470] +++ exited with 0 +++ [pid 5474] <... openat resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5474 [pid 5473] <... prctl resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5473] setpgid(0, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5474] write(3, "1000", 4) = 4 [pid 5474] close(3) = 0 [pid 5474] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5476 attached ./strace-static-x86_64: Process 5475 attached [pid 5473] <... setpgid resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5476] set_robust_list(0x555555ab3660, 24 [pid 5475] set_robust_list(0x555555ab3660, 24 [pid 5474] <... bpf resumed>) = 3 [pid 5476] <... set_robust_list resumed>) = 0 [pid 5475] <... set_robust_list resumed>) = 0 [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5476] <... prctl resumed>) = 0 [pid 5475] <... prctl resumed>) = 0 [pid 5476] setpgid(0, 0 [pid 5475] setpgid(0, 0 [pid 5473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5475] <... setpgid resumed>) = 0 [pid 5476] <... setpgid resumed>) = 0 [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5475] <... openat resumed>) = 3 [pid 5476] <... openat resumed>) = 3 [pid 5474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5477 attached [pid 5476] write(3, "1000", 4 [pid 5475] write(3, "1000", 4 [pid 5473] <... openat resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5477 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5475 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5476 [pid 5477] set_robust_list(0x555555ab3660, 24 [pid 5476] <... write resumed>) = 4 [pid 5475] <... write resumed>) = 4 [pid 5474] <... bpf resumed>) = 4 [pid 5473] write(3, "1000", 4 [pid 5477] <... set_robust_list resumed>) = 0 [pid 5476] close(3 [pid 5475] close(3 [pid 5474] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5473] <... write resumed>) = 4 [pid 5477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5476] <... close resumed>) = 0 [pid 5475] <... close resumed>) = 0 [pid 5477] <... prctl resumed>) = 0 [pid 5476] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5474] <... bpf resumed>) = 5 [pid 5473] close(3) = 0 [pid 5477] setpgid(0, 0 [pid 5473] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5477] <... setpgid resumed>) = 0 [pid 5476] <... bpf resumed>) = 3 [pid 5475] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5474] perf_event_open(NULL, 0, -1, -1, 0 [pid 5477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5473] <... bpf resumed>) = 3 [pid 5474] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5477] <... openat resumed>) = 3 [pid 5475] <... bpf resumed>) = 3 [pid 5474] exit_group(0 [pid 5473] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5474] <... exit_group resumed>) = ? [pid 5477] write(3, "1000", 4 [pid 5476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5477] <... write resumed>) = 4 [pid 5476] <... bpf resumed>) = 4 [pid 5474] +++ exited with 0 +++ [pid 5477] close(3 [pid 5473] <... bpf resumed>) = 4 [pid 5477] <... close resumed>) = 0 [pid 5473] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5477] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5477] <... bpf resumed>) = 3 [pid 5475] <... bpf resumed>) = 4 [pid 5473] <... bpf resumed>) = 5 [pid 5473] perf_event_open(NULL, 0, -1, -1, 0 [pid 5476] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5473] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5476] <... bpf resumed>) = 5 [pid 5473] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5476] perf_event_open(NULL, 0, -1, -1, 0 [pid 5475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5473] <... exit_group resumed>) = ? [pid 5477] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5476] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5475] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5478 attached [pid 5477] <... bpf resumed>) = 4 [pid 5476] exit_group(0 [pid 5475] perf_event_open(NULL, 0, -1, -1, 0 [pid 5473] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5478 [pid 5478] set_robust_list(0x555555ab3660, 24) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5473, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5475] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5478] <... prctl resumed>) = 0 [pid 5476] <... exit_group resumed>) = ? [pid 5475] exit_group(0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5478] setpgid(0, 0 [pid 5475] <... exit_group resumed>) = ? [pid 5478] <... setpgid resumed>) = 0 [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5477] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5478] <... openat resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5478] write(3, "1000", 4) = 4 [pid 5478] close(3./strace-static-x86_64: Process 5479 attached ) = 0 [pid 5476] +++ exited with 0 +++ [pid 5475] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5479 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5479] set_robust_list(0x555555ab3660, 24 [pid 5478] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5479] <... set_robust_list resumed>) = 0 [pid 5478] <... bpf resumed>) = 3 [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5479] <... prctl resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5480 attached ./strace-static-x86_64: Process 5481 attached [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5480 [pid 5481] set_robust_list(0x555555ab3660, 24 [pid 5480] set_robust_list(0x555555ab3660, 24 [pid 5479] setpgid(0, 0 [pid 5478] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5481] <... set_robust_list resumed>) = 0 [pid 5480] <... set_robust_list resumed>) = 0 [pid 5479] <... setpgid resumed>) = 0 [pid 5478] <... bpf resumed>) = 4 [pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5481 [pid 5481] <... prctl resumed>) = 0 [pid 5480] <... prctl resumed>) = 0 [pid 5481] setpgid(0, 0 [pid 5480] setpgid(0, 0 [pid 5479] <... openat resumed>) = 3 [pid 5481] <... setpgid resumed>) = 0 [pid 5480] <... setpgid resumed>) = 0 [pid 5479] write(3, "1000", 4 [pid 5478] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5479] <... write resumed>) = 4 [pid 5479] close(3 [pid 5481] <... openat resumed>) = 3 [pid 5480] <... openat resumed>) = 3 [pid 5479] <... close resumed>) = 0 [pid 5481] write(3, "1000", 4 [pid 5480] write(3, "1000", 4 [pid 5479] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5477] <... bpf resumed>) = 5 [pid 5480] <... write resumed>) = 4 [pid 5481] <... write resumed>) = 4 [pid 5480] close(3 [pid 5478] <... bpf resumed>) = 5 [pid 5477] perf_event_open(NULL, 0, -1, -1, 0 [pid 5481] close(3 [pid 5478] perf_event_open(NULL, 0, -1, -1, 0 [pid 5477] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5481] <... close resumed>) = 0 [pid 5478] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5477] exit_group(0 [pid 5481] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5480] <... close resumed>) = 0 [pid 5479] <... bpf resumed>) = 3 [pid 5478] exit_group(0 [pid 5477] <... exit_group resumed>) = ? [pid 5480] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5481] <... bpf resumed>) = 3 [pid 5478] <... exit_group resumed>) = ? [pid 5480] <... bpf resumed>) = 3 [pid 5481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5480] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5479] <... bpf resumed>) = 4 [pid 5478] +++ exited with 0 +++ [pid 5477] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5478, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5481] <... bpf resumed>) = 4 [pid 5480] <... bpf resumed>) = 4 [pid 5479] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5480] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5481] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5482 attached ./strace-static-x86_64: Process 5483 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5482 [pid 5483] set_robust_list(0x555555ab3660, 24 [pid 5482] set_robust_list(0x555555ab3660, 24 [pid 5483] <... set_robust_list resumed>) = 0 [pid 5482] <... set_robust_list resumed>) = 0 [pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5483] <... prctl resumed>) = 0 [pid 5482] <... prctl resumed>) = 0 [pid 5483] setpgid(0, 0 [pid 5482] setpgid(0, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5483 [pid 5483] <... setpgid resumed>) = 0 [pid 5482] <... setpgid resumed>) = 0 [pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5483] <... openat resumed>) = 3 [pid 5483] write(3, "1000", 4 [pid 5482] <... openat resumed>) = 3 [pid 5481] <... bpf resumed>) = 5 [pid 5480] <... bpf resumed>) = 5 [pid 5479] <... bpf resumed>) = 5 [pid 5482] write(3, "1000", 4 [pid 5481] perf_event_open(NULL, 0, -1, -1, 0 [pid 5482] <... write resumed>) = 4 [pid 5481] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5482] close(3 [pid 5481] exit_group(0 [pid 5482] <... close resumed>) = 0 [pid 5483] <... write resumed>) = 4 [pid 5482] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5481] <... exit_group resumed>) = ? [pid 5479] perf_event_open(NULL, 0, -1, -1, 0 [pid 5480] perf_event_open(NULL, 0, -1, -1, 0 [pid 5483] close(3 [pid 5482] <... bpf resumed>) = 3 [pid 5481] +++ exited with 0 +++ [pid 5479] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5480] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5483] <... close resumed>) = 0 [pid 5479] exit_group(0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5480] exit_group(0 [pid 5482] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5483] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5480] <... exit_group resumed>) = ? [pid 5479] <... exit_group resumed>) = ? [pid 5482] <... bpf resumed>) = 4 [pid 5483] <... bpf resumed>) = 3 [pid 5482] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5483] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5480] +++ exited with 0 +++ [pid 5479] +++ exited with 0 +++ [pid 5483] <... bpf resumed>) = 4 [pid 5482] <... bpf resumed>) = 5 [pid 5483] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5483] <... bpf resumed>) = 5 [pid 5482] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5483] perf_event_open(NULL, 0, -1, -1, 0 [pid 5482] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] <... restart_syscall resumed>) = 0 [pid 5483] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5482] exit_group(0) = ? ./strace-static-x86_64: Process 5484 attached [pid 5483] exit_group(0) = ? [pid 5484] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5484 [pid 5484] <... set_robust_list resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5482] +++ exited with 0 +++ [pid 5484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5485 attached [pid 5485] set_robust_list(0x555555ab3660, 24) = 0 [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5486 attached ) = 0 [pid 5484] <... prctl resumed>) = 0 [pid 5483] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5485 [pid 5486] set_robust_list(0x555555ab3660, 24 [pid 5485] setpgid(0, 0 [pid 5484] setpgid(0, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5486 [pid 5486] <... set_robust_list resumed>) = 0 [pid 5485] <... setpgid resumed>) = 0 [pid 5484] <... setpgid resumed>) = 0 [pid 5486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5487 attached [pid 5486] <... prctl resumed>) = 0 [pid 5484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5487] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5487 [pid 5487] <... set_robust_list resumed>) = 0 [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5486] setpgid(0, 0 [pid 5485] <... openat resumed>) = 3 [pid 5484] <... openat resumed>) = 3 [pid 5487] <... prctl resumed>) = 0 [pid 5486] <... setpgid resumed>) = 0 [pid 5487] setpgid(0, 0) = 0 [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5485] write(3, "1000", 4 [pid 5484] write(3, "1000", 4 [pid 5487] <... openat resumed>) = 3 [pid 5486] <... openat resumed>) = 3 [pid 5485] <... write resumed>) = 4 [pid 5487] write(3, "1000", 4 [pid 5485] close(3 [pid 5484] <... write resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5487] <... write resumed>) = 4 [pid 5486] write(3, "1000", 4 [pid 5485] <... close resumed>) = 0 [pid 5484] close(3./strace-static-x86_64: Process 5488 attached [pid 5487] close(3 [pid 5486] <... write resumed>) = 4 [pid 5485] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5484] <... close resumed>) = 0 [pid 5488] set_robust_list(0x555555ab3660, 24 [pid 5487] <... close resumed>) = 0 [pid 5486] close(3 [pid 5484] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5488] <... set_robust_list resumed>) = 0 [pid 5487] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5486] <... close resumed>) = 0 [pid 5485] <... bpf resumed>) = 3 [pid 5484] <... bpf resumed>) = 3 [pid 5488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5486] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5488 [pid 5488] <... prctl resumed>) = 0 [pid 5485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5488] setpgid(0, 0) = 0 [pid 5486] <... bpf resumed>) = 3 [pid 5485] <... bpf resumed>) = 4 [pid 5484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5487] <... bpf resumed>) = 3 [pid 5488] <... openat resumed>) = 3 [pid 5487] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5485] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5484] <... bpf resumed>) = 4 [pid 5488] write(3, "1000", 4 [pid 5486] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5488] <... write resumed>) = 4 [pid 5487] <... bpf resumed>) = 4 [pid 5486] <... bpf resumed>) = 4 [pid 5485] <... bpf resumed>) = 5 [pid 5484] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5488] close(3 [pid 5487] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5488] <... close resumed>) = 0 [pid 5487] <... bpf resumed>) = 5 [pid 5485] perf_event_open(NULL, 0, -1, -1, 0 [pid 5484] <... bpf resumed>) = 5 [pid 5486] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5484] perf_event_open(NULL, 0, -1, -1, 0 [pid 5488] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5486] <... bpf resumed>) = 5 [pid 5484] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5487] perf_event_open(NULL, 0, -1, -1, 0 [pid 5485] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5487] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5486] perf_event_open(NULL, 0, -1, -1, 0 [pid 5485] exit_group(0 [pid 5484] exit_group(0 [pid 5486] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5484] <... exit_group resumed>) = ? [pid 5488] <... bpf resumed>) = 3 [pid 5487] exit_group(0 [pid 5486] exit_group(0 [pid 5485] <... exit_group resumed>) = ? [pid 5484] +++ exited with 0 +++ [pid 5486] <... exit_group resumed>) = ? [pid 5486] +++ exited with 0 +++ [pid 5487] <... exit_group resumed>) = ? [pid 5488] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5485] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5489 attached [pid 5487] +++ exited with 0 +++ [pid 5073] <... restart_syscall resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5489] set_robust_list(0x555555ab3660, 24 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5487, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5488] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5489 [pid 5489] <... set_robust_list resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5490 attached [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5490 [pid 5490] set_robust_list(0x555555ab3660, 24 [pid 5489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5490] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5491 attached [pid 5491] set_robust_list(0x555555ab3660, 24 [pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5489] <... prctl resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5491 [pid 5491] <... set_robust_list resumed>) = 0 [pid 5490] <... prctl resumed>) = 0 [pid 5489] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5492 attached [pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5490] setpgid(0, 0 [pid 5488] <... bpf resumed>) = 5 [pid 5491] <... prctl resumed>) = 0 [pid 5490] <... setpgid resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5492 [pid 5492] set_robust_list(0x555555ab3660, 24 [pid 5491] setpgid(0, 0 [pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5488] perf_event_open(NULL, 0, -1, -1, 0 [pid 5492] <... set_robust_list resumed>) = 0 [pid 5491] <... setpgid resumed>) = 0 [pid 5488] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5490] <... openat resumed>) = 3 [pid 5489] <... openat resumed>) = 3 [pid 5488] exit_group(0 [pid 5492] <... prctl resumed>) = 0 [pid 5491] <... openat resumed>) = 3 [pid 5490] write(3, "1000", 4 [pid 5488] <... exit_group resumed>) = ? [pid 5492] setpgid(0, 0 [pid 5491] write(3, "1000", 4 [pid 5490] <... write resumed>) = 4 [pid 5489] write(3, "1000", 4 [pid 5488] +++ exited with 0 +++ [pid 5492] <... setpgid resumed>) = 0 [pid 5491] <... write resumed>) = 4 [pid 5490] close(3 [pid 5489] <... write resumed>) = 4 [pid 5492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5489] close(3) = 0 [pid 5489] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5492] <... openat resumed>) = 3 [pid 5491] close(3 [pid 5490] <... close resumed>) = 0 [pid 5492] write(3, "1000", 4 [pid 5491] <... close resumed>) = 0 [pid 5490] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5489] <... bpf resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5492] <... write resumed>) = 4 [pid 5491] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5492] close(3) = 0 [pid 5491] <... bpf resumed>) = 3 [pid 5492] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5490] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5493 attached [pid 5492] <... bpf resumed>) = 3 [pid 5490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5493] set_robust_list(0x555555ab3660, 24 [pid 5492] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5493 [pid 5493] <... set_robust_list resumed>) = 0 [pid 5492] <... bpf resumed>) = 4 [pid 5491] <... bpf resumed>) = 4 [pid 5490] <... bpf resumed>) = 4 [pid 5489] <... bpf resumed>) = 4 [pid 5493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5489] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5493] <... prctl resumed>) = 0 [pid 5490] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5493] setpgid(0, 0 [pid 5492] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5493] <... setpgid resumed>) = 0 [pid 5492] <... bpf resumed>) = 5 [pid 5491] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5490] <... bpf resumed>) = 5 [pid 5489] <... bpf resumed>) = 5 [pid 5493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5491] <... bpf resumed>) = 5 [pid 5489] perf_event_open(NULL, 0, -1, -1, 0 [pid 5493] <... openat resumed>) = 3 [pid 5492] perf_event_open(NULL, 0, -1, -1, 0 [pid 5491] perf_event_open(NULL, 0, -1, -1, 0 [pid 5489] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5490] perf_event_open(NULL, 0, -1, -1, 0 [pid 5493] write(3, "1000", 4 [pid 5492] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5491] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5489] exit_group(0 [pid 5490] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5493] <... write resumed>) = 4 [pid 5492] exit_group(0 [pid 5491] exit_group(0 [pid 5493] close(3 [pid 5492] <... exit_group resumed>) = ? [pid 5491] <... exit_group resumed>) = ? [pid 5490] exit_group(0 [pid 5489] <... exit_group resumed>) = ? [pid 5493] <... close resumed>) = 0 [pid 5492] +++ exited with 0 +++ [pid 5490] <... exit_group resumed>) = ? [pid 5493] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5489] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5494 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5494 [pid 5494] set_robust_list(0x555555ab3660, 24 [pid 5493] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5494] <... set_robust_list resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] <... bpf resumed>) = 4 [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5495 attached ) = 0 [pid 5493] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5491] +++ exited with 0 +++ [pid 5490] +++ exited with 0 +++ [pid 5495] set_robust_list(0x555555ab3660, 24 [pid 5494] setpgid(0, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5495 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5491, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5495] <... set_robust_list resumed>) = 0 [pid 5494] <... setpgid resumed>) = 0 [pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5495] <... prctl resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5495] setpgid(0, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5494] <... openat resumed>) = 3 [pid 5494] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5497 attached ./strace-static-x86_64: Process 5496 attached [pid 5495] <... setpgid resumed>) = 0 [pid 5494] close(3 [pid 5493] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5496 [pid 5497] set_robust_list(0x555555ab3660, 24 [pid 5493] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5497 [pid 5497] <... set_robust_list resumed>) = 0 [pid 5493] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5496] set_robust_list(0x555555ab3660, 24 [pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5494] <... close resumed>) = 0 [pid 5493] exit_group(0 [pid 5497] <... prctl resumed>) = 0 [pid 5496] <... set_robust_list resumed>) = 0 [pid 5494] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5493] <... exit_group resumed>) = ? [pid 5497] setpgid(0, 0) = 0 [pid 5496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5495] <... openat resumed>) = 3 [pid 5494] <... bpf resumed>) = 3 [pid 5493] +++ exited with 0 +++ [pid 5497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5496] <... prctl resumed>) = 0 [pid 5495] write(3, "1000", 4) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5497] <... openat resumed>) = 3 [pid 5496] setpgid(0, 0 [pid 5495] close(3 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5497] write(3, "1000", 4 [pid 5496] <... setpgid resumed>) = 0 [pid 5495] <... close resumed>) = 0 [pid 5494] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5497] <... write resumed>) = 4 [pid 5496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5495] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5494] <... bpf resumed>) = 4 [pid 5497] close(3 [pid 5496] <... openat resumed>) = 3 [pid 5495] <... bpf resumed>) = 3 [pid 5497] <... close resumed>) = 0 [pid 5497] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5496] write(3, "1000", 4 [pid 5495] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5497] <... bpf resumed>) = 3 [pid 5496] <... write resumed>) = 4 [pid 5495] <... bpf resumed>) = 4 [pid 5494] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5496] close(3) = 0 [pid 5496] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5498 attached ) = 4 [pid 5496] <... bpf resumed>) = 3 [pid 5495] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5498] set_robust_list(0x555555ab3660, 24 [pid 5497] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5498] <... set_robust_list resumed>) = 0 [pid 5498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5496] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5498] <... prctl resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5498 [pid 5498] setpgid(0, 0 [pid 5496] <... bpf resumed>) = 4 [pid 5498] <... setpgid resumed>) = 0 [pid 5496] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5497] <... bpf resumed>) = 5 [pid 5495] <... bpf resumed>) = 5 [pid 5494] <... bpf resumed>) = 5 [pid 5496] <... bpf resumed>) = 5 [pid 5495] perf_event_open(NULL, 0, -1, -1, 0 [pid 5494] perf_event_open(NULL, 0, -1, -1, 0 [pid 5496] perf_event_open(NULL, 0, -1, -1, 0 [pid 5495] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5494] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5498] <... openat resumed>) = 3 [pid 5497] perf_event_open(NULL, 0, -1, -1, 0 [pid 5496] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5495] exit_group(0 [pid 5494] exit_group(0 [pid 5498] write(3, "1000", 4 [pid 5497] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5496] exit_group(0 [pid 5498] <... write resumed>) = 4 [pid 5497] exit_group(0 [pid 5496] <... exit_group resumed>) = ? [pid 5495] <... exit_group resumed>) = ? [pid 5494] <... exit_group resumed>) = ? [pid 5498] close(3 [pid 5497] <... exit_group resumed>) = ? [pid 5496] +++ exited with 0 +++ [pid 5495] +++ exited with 0 +++ [pid 5498] <... close resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5498] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] <... restart_syscall resumed>) = 0 [pid 5494] +++ exited with 0 +++ [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5494, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5498] <... bpf resumed>) = 3 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5497] +++ exited with 0 +++ [pid 5498] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5500 attached ./strace-static-x86_64: Process 5499 attached [pid 5498] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5500] set_robust_list(0x555555ab3660, 24 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5500] <... set_robust_list resumed>) = 0 [pid 5499] set_robust_list(0x555555ab3660, 24 [pid 5498] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5499] <... set_robust_list resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5501 attached [pid 5500] <... prctl resumed>) = 0 [pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5500] setpgid(0, 0 [pid 5499] <... prctl resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5501] set_robust_list(0x555555ab3660, 24 [pid 5499] setpgid(0, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5500 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5499 [pid 5500] <... setpgid resumed>) = 0 [pid 5499] <... setpgid resumed>) = 0 [pid 5501] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5502 attached [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5501 [pid 5502] set_robust_list(0x555555ab3660, 24 [pid 5501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5502] <... set_robust_list resumed>) = 0 [pid 5501] <... prctl resumed>) = 0 [pid 5500] <... openat resumed>) = 3 [pid 5499] <... openat resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5502 [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] setpgid(0, 0 [pid 5500] write(3, "1000", 4 [pid 5499] write(3, "1000", 4 [pid 5502] <... prctl resumed>) = 0 [pid 5501] <... setpgid resumed>) = 0 [pid 5500] <... write resumed>) = 4 [pid 5499] <... write resumed>) = 4 [pid 5502] setpgid(0, 0 [pid 5500] close(3 [pid 5499] close(3 [pid 5501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5502] <... setpgid resumed>) = 0 [pid 5500] <... close resumed>) = 0 [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5499] <... close resumed>) = 0 [pid 5501] <... openat resumed>) = 3 [pid 5501] write(3, "1000", 4 [pid 5500] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5499] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5502] <... openat resumed>) = 3 [pid 5501] <... write resumed>) = 4 [pid 5502] write(3, "1000", 4 [pid 5501] close(3 [pid 5502] <... write resumed>) = 4 [pid 5502] close(3) = 0 [pid 5502] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5501] <... close resumed>) = 0 [pid 5500] <... bpf resumed>) = 3 [pid 5499] <... bpf resumed>) = 3 [pid 5498] <... bpf resumed>) = 5 [pid 5501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5499] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5498] perf_event_open(NULL, 0, -1, -1, 0 [pid 5502] <... bpf resumed>) = 3 [pid 5500] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5498] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5500] <... bpf resumed>) = 4 [pid 5499] <... bpf resumed>) = 4 [pid 5498] exit_group(0 [pid 5502] <... bpf resumed>) = 4 [pid 5501] <... bpf resumed>) = 3 [pid 5498] <... exit_group resumed>) = ? [pid 5502] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5500] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5499] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5498] +++ exited with 0 +++ [pid 5502] <... bpf resumed>) = 5 [pid 5501] <... bpf resumed>) = 4 [pid 5500] <... bpf resumed>) = 5 [pid 5499] <... bpf resumed>) = 5 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5499] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5502] perf_event_open(NULL, 0, -1, -1, 0 [pid 5501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5500] perf_event_open(NULL, 0, -1, -1, 0 [pid 5499] exit_group(0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5503 attached [pid 5502] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5501] <... bpf resumed>) = 5 [pid 5500] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5499] <... exit_group resumed>) = ? [pid 5502] exit_group(0 [pid 5501] perf_event_open(NULL, 0, -1, -1, 0 [pid 5500] exit_group(0 [pid 5499] +++ exited with 0 +++ [pid 5503] set_robust_list(0x555555ab3660, 24 [pid 5502] <... exit_group resumed>) = ? [pid 5503] <... set_robust_list resumed>) = 0 [pid 5502] +++ exited with 0 +++ [pid 5501] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5500] <... exit_group resumed>) = ? [pid 5503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] exit_group(0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5503 [pid 5501] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5503] <... prctl resumed>) = 0 [pid 5501] +++ exited with 0 +++ [pid 5500] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5503] setpgid(0, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5504 attached [pid 5503] <... setpgid resumed>) = 0 [pid 5504] set_robust_list(0x555555ab3660, 24 [pid 5503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5504] <... set_robust_list resumed>) = 0 [pid 5503] <... openat resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5504 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5504] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5505 attached ./strace-static-x86_64: Process 5506 attached [pid 5505] set_robust_list(0x555555ab3660, 24 [pid 5504] <... prctl resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5505 [pid 5506] set_robust_list(0x555555ab3660, 24 [pid 5505] <... set_robust_list resumed>) = 0 [pid 5504] setpgid(0, 0 [pid 5503] write(3, "1000", 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5506 [pid 5506] <... set_robust_list resumed>) = 0 [pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5507 attached [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5505] <... prctl resumed>) = 0 [pid 5504] <... setpgid resumed>) = 0 [pid 5503] <... write resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5507 [pid 5507] set_robust_list(0x555555ab3660, 24 [pid 5506] <... prctl resumed>) = 0 [pid 5505] setpgid(0, 0 [pid 5504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5503] close(3 [pid 5507] <... set_robust_list resumed>) = 0 [pid 5506] setpgid(0, 0 [pid 5505] <... setpgid resumed>) = 0 [pid 5504] <... openat resumed>) = 3 [pid 5503] <... close resumed>) = 0 [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5506] <... setpgid resumed>) = 0 [pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5504] write(3, "1000", 4 [pid 5503] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5507] <... prctl resumed>) = 0 [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5505] <... openat resumed>) = 3 [pid 5504] <... write resumed>) = 4 [pid 5503] <... bpf resumed>) = 3 [pid 5507] setpgid(0, 0) = 0 [pid 5506] <... openat resumed>) = 3 [pid 5505] write(3, "1000", 4 [pid 5504] close(3 [pid 5506] write(3, "1000", 4 [pid 5505] <... write resumed>) = 4 [pid 5504] <... close resumed>) = 0 [pid 5506] <... write resumed>) = 4 [pid 5505] close(3 [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] close(3 [pid 5505] <... close resumed>) = 0 [pid 5504] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5507] <... openat resumed>) = 3 [pid 5506] <... close resumed>) = 0 [pid 5505] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5503] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5507] write(3, "1000", 4 [pid 5506] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5505] <... bpf resumed>) = 3 [pid 5504] <... bpf resumed>) = 3 [pid 5507] <... write resumed>) = 4 [pid 5507] close(3) = 0 [pid 5507] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5506] <... bpf resumed>) = 3 [pid 5505] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5504] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5507] <... bpf resumed>) = 3 [pid 5506] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5503] <... bpf resumed>) = 4 [pid 5505] <... bpf resumed>) = 4 [pid 5504] <... bpf resumed>) = 4 [pid 5503] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5506] <... bpf resumed>) = 4 [pid 5505] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5504] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5506] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5504] <... bpf resumed>) = 5 [pid 5503] perf_event_open(NULL, 0, -1, -1, 0 [pid 5507] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5503] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5507] <... bpf resumed>) = 4 [pid 5506] <... bpf resumed>) = 5 [pid 5505] <... bpf resumed>) = 5 [pid 5504] perf_event_open(NULL, 0, -1, -1, 0 [pid 5503] exit_group(0 [pid 5506] perf_event_open(NULL, 0, -1, -1, 0 [pid 5505] perf_event_open(NULL, 0, -1, -1, 0 [pid 5504] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5503] <... exit_group resumed>) = ? [pid 5507] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5506] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5505] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5504] exit_group(0) = ? [pid 5507] <... bpf resumed>) = 5 [pid 5506] exit_group(0 [pid 5505] exit_group(0 [pid 5507] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5506] <... exit_group resumed>) = ? [pid 5505] <... exit_group resumed>) = ? [pid 5507] exit_group(0) = ? [pid 5505] +++ exited with 0 +++ [pid 5504] +++ exited with 0 +++ [pid 5503] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5505, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5508 attached [pid 5508] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5509 attached [pid 5509] set_robust_list(0x555555ab3660, 24 [pid 5508] <... set_robust_list resumed>) = 0 [pid 5509] <... set_robust_list resumed>) = 0 [pid 5508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5508] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5510 attached [pid 5509] <... prctl resumed>) = 0 [pid 5508] setpgid(0, 0 [pid 5507] +++ exited with 0 +++ [pid 5506] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5509 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5508 [pid 5510] set_robust_list(0x555555ab3660, 24 [pid 5509] setpgid(0, 0 [pid 5508] <... setpgid resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5510 [pid 5510] <... set_robust_list resumed>) = 0 [pid 5509] <... setpgid resumed>) = 0 [pid 5508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5506, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5508] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5510] <... prctl resumed>) = 0 [pid 5508] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5512 attached ./strace-static-x86_64: Process 5511 attached [pid 5510] setpgid(0, 0 [pid 5509] <... openat resumed>) = 3 [pid 5508] <... write resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5511 [pid 5512] set_robust_list(0x555555ab3660, 24 [pid 5510] <... setpgid resumed>) = 0 [pid 5509] write(3, "1000", 4 [pid 5508] close(3 [pid 5512] <... set_robust_list resumed>) = 0 [pid 5509] <... write resumed>) = 4 [pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5511] set_robust_list(0x555555ab3660, 24 [pid 5510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5509] close(3 [pid 5508] <... close resumed>) = 0 [pid 5512] <... prctl resumed>) = 0 [pid 5511] <... set_robust_list resumed>) = 0 [pid 5509] <... close resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5512 [pid 5512] setpgid(0, 0 [pid 5511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5510] <... openat resumed>) = 3 [pid 5509] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5508] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5512] <... setpgid resumed>) = 0 [pid 5510] write(3, "1000", 4 [pid 5511] <... prctl resumed>) = 0 [pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5511] setpgid(0, 0 [pid 5510] <... write resumed>) = 4 [pid 5509] <... bpf resumed>) = 3 [pid 5511] <... setpgid resumed>) = 0 [pid 5511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5510] close(3 [pid 5508] <... bpf resumed>) = 3 [pid 5512] <... openat resumed>) = 3 [pid 5511] <... openat resumed>) = 3 [pid 5510] <... close resumed>) = 0 [pid 5509] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5512] write(3, "1000", 4 [pid 5511] write(3, "1000", 4 [pid 5510] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5511] <... write resumed>) = 4 [pid 5508] <... bpf resumed>) = 4 [pid 5511] close(3) = 0 [pid 5511] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5512] <... write resumed>) = 4 [pid 5510] <... bpf resumed>) = 3 [pid 5509] <... bpf resumed>) = 4 [pid 5508] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5512] close(3) = 0 [pid 5512] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5510] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5509] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5508] <... bpf resumed>) = 5 [pid 5512] <... bpf resumed>) = 3 [pid 5511] <... bpf resumed>) = 3 [pid 5509] <... bpf resumed>) = 5 [pid 5508] perf_event_open(NULL, 0, -1, -1, 0 [pid 5510] <... bpf resumed>) = 4 [pid 5509] perf_event_open(NULL, 0, -1, -1, 0 [pid 5508] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5512] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5511] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5510] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5509] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5508] exit_group(0 [pid 5512] <... bpf resumed>) = 4 [pid 5511] <... bpf resumed>) = 4 [pid 5510] <... bpf resumed>) = 5 [pid 5509] exit_group(0 [pid 5508] <... exit_group resumed>) = ? [pid 5512] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5510] perf_event_open(NULL, 0, -1, -1, 0 [pid 5509] <... exit_group resumed>) = ? [pid 5512] <... bpf resumed>) = 5 [pid 5511] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5510] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5511] <... bpf resumed>) = 5 [pid 5510] exit_group(0 [pid 5512] perf_event_open(NULL, 0, -1, -1, 0 [pid 5511] perf_event_open(NULL, 0, -1, -1, 0 [pid 5510] <... exit_group resumed>) = ? [pid 5512] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5511] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5511] exit_group(0) = ? [pid 5512] exit_group(0 [pid 5510] +++ exited with 0 +++ [pid 5508] +++ exited with 0 +++ [pid 5512] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5513 attached [pid 5509] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5514 attached [pid 5513] set_robust_list(0x555555ab3660, 24) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5514] set_robust_list(0x555555ab3660, 24) = 0 [pid 5511] +++ exited with 0 +++ [pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5514] <... prctl resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5514 [pid 5514] setpgid(0, 0 [pid 5513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5514] <... setpgid resumed>) = 0 [pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5513] <... prctl resumed>) = 0 [pid 5512] +++ exited with 0 +++ [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5513 [pid 5513] setpgid(0, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5513] <... setpgid resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5512, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5514] <... openat resumed>) = 3 [pid 5074] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5515 attached [pid 5513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5516 attached [pid 5515] set_robust_list(0x555555ab3660, 24 [pid 5514] write(3, "1000", 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5515 [pid 5516] set_robust_list(0x555555ab3660, 24 [pid 5515] <... set_robust_list resumed>) = 0 [pid 5514] <... write resumed>) = 4 [pid 5513] <... openat resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5516 [pid 5516] <... set_robust_list resumed>) = 0 [pid 5515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5514] close(3 [pid 5513] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5517 attached [pid 5516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5515] <... prctl resumed>) = 0 [pid 5514] <... close resumed>) = 0 [pid 5513] <... write resumed>) = 4 [pid 5517] set_robust_list(0x555555ab3660, 24 [pid 5516] <... prctl resumed>) = 0 [pid 5515] setpgid(0, 0 [pid 5514] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5513] close(3 [pid 5517] <... set_robust_list resumed>) = 0 [pid 5516] setpgid(0, 0 [pid 5513] <... close resumed>) = 0 [pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5516] <... setpgid resumed>) = 0 [pid 5515] <... setpgid resumed>) = 0 [pid 5514] <... bpf resumed>) = 3 [pid 5513] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5517] <... prctl resumed>) = 0 [pid 5516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5517 [pid 5515] <... openat resumed>) = 3 [pid 5517] setpgid(0, 0 [pid 5513] <... bpf resumed>) = 3 [pid 5517] <... setpgid resumed>) = 0 [pid 5516] <... openat resumed>) = 3 [pid 5515] write(3, "1000", 4 [pid 5514] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5513] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] write(3, "1000", 4 [pid 5515] <... write resumed>) = 4 [pid 5517] <... openat resumed>) = 3 [pid 5516] <... write resumed>) = 4 [pid 5515] close(3 [pid 5514] <... bpf resumed>) = 4 [pid 5513] <... bpf resumed>) = 4 [pid 5517] write(3, "1000", 4 [pid 5516] close(3 [pid 5514] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5513] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5517] <... write resumed>) = 4 [pid 5516] <... close resumed>) = 0 [pid 5517] close(3 [pid 5516] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5515] <... close resumed>) = 0 [pid 5517] <... close resumed>) = 0 [pid 5515] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5514] <... bpf resumed>) = 5 [pid 5513] <... bpf resumed>) = 5 [pid 5517] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5516] <... bpf resumed>) = 3 [pid 5515] <... bpf resumed>) = 3 [pid 5514] perf_event_open(NULL, 0, -1, -1, 0 [pid 5513] perf_event_open(NULL, 0, -1, -1, 0 [pid 5515] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5517] <... bpf resumed>) = 3 [pid 5516] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5514] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5513] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5516] <... bpf resumed>) = 4 [pid 5515] <... bpf resumed>) = 4 [pid 5514] exit_group(0 [pid 5513] exit_group(0 [pid 5514] <... exit_group resumed>) = ? [pid 5513] <... exit_group resumed>) = ? [pid 5517] <... bpf resumed>) = 4 [pid 5515] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5516] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5517] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5513] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5513, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5514] +++ exited with 0 +++ ./strace-static-x86_64: Process 5519 attached [pid 5517] <... bpf resumed>) = 5 [pid 5516] <... bpf resumed>) = 5 [pid 5515] <... bpf resumed>) = 5 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5519] set_robust_list(0x555555ab3660, 24 [pid 5517] perf_event_open(NULL, 0, -1, -1, 0 [pid 5515] perf_event_open(NULL, 0, -1, -1, 0 [pid 5519] <... set_robust_list resumed>) = 0 [pid 5517] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5516] perf_event_open(NULL, 0, -1, -1, 0 [pid 5515] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5519 [pid 5516] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5517] exit_group(0 [pid 5516] exit_group(0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5517] <... exit_group resumed>) = ? [pid 5516] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5520 attached [pid 5519] <... prctl resumed>) = 0 [pid 5517] +++ exited with 0 +++ [pid 5515] exit_group(0 [pid 5520] set_robust_list(0x555555ab3660, 24 [pid 5519] setpgid(0, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5515] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5521 attached [pid 5520] <... set_robust_list resumed>) = 0 [pid 5521] set_robust_list(0x555555ab3660, 24) = 0 [pid 5521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5521] setpgid(0, 0) = 0 [pid 5520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5519] <... setpgid resumed>) = 0 [pid 5516] +++ exited with 0 +++ [pid 5515] +++ exited with 0 +++ [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5520 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5521 [pid 5520] <... prctl resumed>) = 0 [pid 5521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5520] setpgid(0, 0 [pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5521] <... openat resumed>) = 3 [pid 5520] <... setpgid resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5521] write(3, "1000", 4 [pid 5519] <... openat resumed>) = 3 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5520] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5522 attached [pid 5521] <... write resumed>) = 4 [pid 5521] close(3) = 0 [pid 5521] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5522] set_robust_list(0x555555ab3660, 24 [pid 5520] write(3, "1000", 4 [pid 5519] write(3, "1000", 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5522 [pid 5522] <... set_robust_list resumed>) = 0 [pid 5520] <... write resumed>) = 4 [pid 5519] <... write resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5521] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5523 attached [pid 5522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5520] close(3 [pid 5519] close(3 [pid 5521] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5523] set_robust_list(0x555555ab3660, 24 [pid 5522] <... prctl resumed>) = 0 [pid 5520] <... close resumed>) = 0 [pid 5519] <... close resumed>) = 0 [pid 5520] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5519] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5523] <... set_robust_list resumed>) = 0 [pid 5522] setpgid(0, 0 [pid 5521] <... bpf resumed>) = 4 [pid 5520] <... bpf resumed>) = 3 [pid 5519] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5523 [pid 5523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5522] <... setpgid resumed>) = 0 [pid 5521] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5520] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5519] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5523] <... prctl resumed>) = 0 [pid 5522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5521] <... bpf resumed>) = 5 [pid 5520] <... bpf resumed>) = 4 [pid 5519] <... bpf resumed>) = 4 [pid 5523] setpgid(0, 0 [pid 5522] <... openat resumed>) = 3 [pid 5521] perf_event_open(NULL, 0, -1, -1, 0 [pid 5520] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5523] <... setpgid resumed>) = 0 [pid 5522] write(3, "1000", 4 [pid 5521] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5520] <... bpf resumed>) = 5 [pid 5519] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5522] <... write resumed>) = 4 [pid 5521] exit_group(0 [pid 5520] perf_event_open(NULL, 0, -1, -1, 0 [pid 5519] <... bpf resumed>) = 5 [pid 5523] <... openat resumed>) = 3 [pid 5522] close(3 [pid 5521] <... exit_group resumed>) = ? [pid 5520] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5519] perf_event_open(NULL, 0, -1, -1, 0 [pid 5523] write(3, "1000", 4 [pid 5522] <... close resumed>) = 0 [pid 5519] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5523] <... write resumed>) = 4 [pid 5522] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5520] exit_group(0 [pid 5519] exit_group(0 [pid 5523] close(3 [pid 5522] <... bpf resumed>) = 3 [pid 5521] +++ exited with 0 +++ [pid 5520] <... exit_group resumed>) = ? [pid 5519] <... exit_group resumed>) = ? [pid 5523] <... close resumed>) = 0 [pid 5523] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5522] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5524 attached [pid 5524] set_robust_list(0x555555ab3660, 24 [pid 5523] <... bpf resumed>) = 3 [pid 5522] <... bpf resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5524 [pid 5524] <... set_robust_list resumed>) = 0 [pid 5523] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5522] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5523] <... bpf resumed>) = 4 [pid 5520] +++ exited with 0 +++ [pid 5519] +++ exited with 0 +++ [pid 5524] <... prctl resumed>) = 0 [pid 5523] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5524] setpgid(0, 0) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5525 attached [pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5526 attached ) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5526 [pid 5526] set_robust_list(0x555555ab3660, 24 [pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5524] <... openat resumed>) = 3 [pid 5526] <... set_robust_list resumed>) = 0 [pid 5525] <... prctl resumed>) = 0 [pid 5524] write(3, "1000", 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5525 [pid 5526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5525] setpgid(0, 0 [pid 5524] <... write resumed>) = 4 [pid 5526] <... prctl resumed>) = 0 [pid 5525] <... setpgid resumed>) = 0 [pid 5524] close(3 [pid 5526] setpgid(0, 0 [pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5526] <... setpgid resumed>) = 0 [pid 5524] <... close resumed>) = 0 [pid 5525] <... openat resumed>) = 3 [pid 5523] <... bpf resumed>) = 5 [pid 5522] <... bpf resumed>) = 5 [pid 5526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] write(3, "1000", 4 [pid 5524] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5522] perf_event_open(NULL, 0, -1, -1, 0 [pid 5526] <... openat resumed>) = 3 [pid 5525] <... write resumed>) = 4 [pid 5523] perf_event_open(NULL, 0, -1, -1, 0 [pid 5526] write(3, "1000", 4 [pid 5525] close(3 [pid 5523] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5522] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5526] <... write resumed>) = 4 [pid 5525] <... close resumed>) = 0 [pid 5524] <... bpf resumed>) = 3 [pid 5523] exit_group(0 [pid 5522] exit_group(0 [pid 5526] close(3 [pid 5525] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5523] <... exit_group resumed>) = ? [pid 5522] <... exit_group resumed>) = ? [pid 5526] <... close resumed>) = 0 [pid 5525] <... bpf resumed>) = 3 [pid 5524] <... bpf resumed>) = 4 [pid 5523] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5526] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5525] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5522] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5526] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5527 attached [pid 5525] <... bpf resumed>) = 4 [pid 5527] set_robust_list(0x555555ab3660, 24 [pid 5526] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5527] <... set_robust_list resumed>) = 0 [pid 5525] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5524] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5527 [pid 5527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5526] <... bpf resumed>) = 4 [pid 5525] <... bpf resumed>) = 5 [pid 5524] perf_event_open(NULL, 0, -1, -1, 0 [pid 5527] <... prctl resumed>) = 0 [pid 5526] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5525] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5524] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5527] setpgid(0, 0 [pid 5526] <... bpf resumed>) = 5 [pid 5525] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5528 attached [pid 5527] <... setpgid resumed>) = 0 [pid 5526] perf_event_open(NULL, 0, -1, -1, 0 [pid 5525] exit_group(0 [pid 5524] exit_group(0 [pid 5528] set_robust_list(0x555555ab3660, 24 [pid 5527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5526] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5525] <... exit_group resumed>) = ? [pid 5524] <... exit_group resumed>) = ? [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5528 [pid 5528] <... set_robust_list resumed>) = 0 [pid 5524] +++ exited with 0 +++ [pid 5528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5527] <... openat resumed>) = 3 [pid 5526] exit_group(0 [pid 5528] <... prctl resumed>) = 0 [pid 5527] write(3, "1000", 4 [pid 5526] <... exit_group resumed>) = ? [pid 5528] setpgid(0, 0 [pid 5527] <... write resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5528] <... setpgid resumed>) = 0 [pid 5527] close(3 [pid 5528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5527] <... close resumed>) = 0 [pid 5528] <... openat resumed>) = 3 [pid 5527] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5528] write(3, "1000", 4 [pid 5527] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5529 attached [pid 5528] <... write resumed>) = 4 [pid 5529] set_robust_list(0x555555ab3660, 24 [pid 5528] close(3 [pid 5529] <... set_robust_list resumed>) = 0 [pid 5528] <... close resumed>) = 0 [pid 5529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5528] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5529] setpgid(0, 0 [pid 5527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5529 [pid 5529] <... setpgid resumed>) = 0 [pid 5528] <... bpf resumed>) = 3 [pid 5527] <... bpf resumed>) = 4 [pid 5529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5525] +++ exited with 0 +++ [pid 5529] <... openat resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5529] write(3, "1000", 4 [pid 5527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5526] +++ exited with 0 +++ [pid 5529] <... write resumed>) = 4 [pid 5528] <... bpf resumed>) = 4 [pid 5529] close(3 [pid 5528] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5529] <... close resumed>) = 0 [pid 5529] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5529] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5530 attached ./strace-static-x86_64: Process 5531 attached [pid 5529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5530] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5531 [pid 5531] set_robust_list(0x555555ab3660, 24 [pid 5530] <... set_robust_list resumed>) = 0 [pid 5529] <... bpf resumed>) = 4 [pid 5527] <... bpf resumed>) = 5 [pid 5531] <... set_robust_list resumed>) = 0 [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5529] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5528] <... bpf resumed>) = 5 [pid 5527] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5530 [pid 5531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5530] <... prctl resumed>) = 0 [pid 5529] <... bpf resumed>) = 5 [pid 5528] perf_event_open(NULL, 0, -1, -1, 0 [pid 5527] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5531] <... prctl resumed>) = 0 [pid 5530] setpgid(0, 0 [pid 5529] perf_event_open(NULL, 0, -1, -1, 0 [pid 5528] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5527] exit_group(0 [pid 5531] setpgid(0, 0 [pid 5530] <... setpgid resumed>) = 0 [pid 5529] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5528] exit_group(0 [pid 5527] <... exit_group resumed>) = ? [pid 5531] <... setpgid resumed>) = 0 [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5528] <... exit_group resumed>) = ? [pid 5529] exit_group(0) = ? [pid 5527] +++ exited with 0 +++ [pid 5531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5530] <... openat resumed>) = 3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5531] <... openat resumed>) = 3 [pid 5530] write(3, "1000", 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5531] write(3, "1000", 4 [pid 5530] <... write resumed>) = 4 [pid 5528] +++ exited with 0 +++ ./strace-static-x86_64: Process 5532 attached [pid 5531] <... write resumed>) = 4 [pid 5530] close(3 [pid 5529] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5532] set_robust_list(0x555555ab3660, 24 [pid 5531] close(3 [pid 5530] <... close resumed>) = 0 [pid 5532] <... set_robust_list resumed>) = 0 [pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5531] <... close resumed>) = 0 [pid 5530] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5532] <... prctl resumed>) = 0 [pid 5531] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5533 attached [pid 5532] setpgid(0, 0 [pid 5531] <... bpf resumed>) = 3 [pid 5530] <... bpf resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5532 [pid 5533] set_robust_list(0x555555ab3660, 24 [pid 5532] <... setpgid resumed>) = 0 [pid 5533] <... set_robust_list resumed>) = 0 [pid 5530] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5531] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5534 attached [pid 5533] <... prctl resumed>) = 0 [pid 5532] <... openat resumed>) = 3 [pid 5531] <... bpf resumed>) = 4 [pid 5530] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5533 [pid 5533] setpgid(0, 0 [pid 5532] write(3, "1000", 4 [pid 5534] set_robust_list(0x555555ab3660, 24 [pid 5533] <... setpgid resumed>) = 0 [pid 5530] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5534] <... set_robust_list resumed>) = 0 [pid 5532] <... write resumed>) = 4 [pid 5533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5532] close(3 [pid 5534] <... prctl resumed>) = 0 [pid 5533] <... openat resumed>) = 3 [pid 5532] <... close resumed>) = 0 [pid 5534] setpgid(0, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5534 [pid 5534] <... setpgid resumed>) = 0 [pid 5533] write(3, "1000", 4 [pid 5532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5533] <... write resumed>) = 4 [pid 5531] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5532] <... bpf resumed>) = 3 [pid 5534] <... openat resumed>) = 3 [pid 5533] close(3) = 0 [pid 5534] write(3, "1000", 4 [pid 5533] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5531] <... bpf resumed>) = 5 [pid 5530] <... bpf resumed>) = 5 [pid 5534] <... write resumed>) = 4 [pid 5533] <... bpf resumed>) = 3 [pid 5532] <... bpf resumed>) = 4 [pid 5531] perf_event_open(NULL, 0, -1, -1, 0 [pid 5530] perf_event_open(NULL, 0, -1, -1, 0 [pid 5534] close(3 [pid 5531] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5530] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5534] <... close resumed>) = 0 [pid 5531] exit_group(0 [pid 5530] exit_group(0 [pid 5534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5531] <... exit_group resumed>) = ? [pid 5530] <... exit_group resumed>) = ? [pid 5533] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5531] +++ exited with 0 +++ [pid 5532] <... bpf resumed>) = 5 [pid 5534] <... bpf resumed>) = 3 [pid 5533] <... bpf resumed>) = 4 [pid 5532] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5532] exit_group(0 [pid 5534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5532] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5534] <... bpf resumed>) = 4 [pid 5533] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ab3650) = 5535 ./strace-static-x86_64: Process 5535 attached [pid 5535] set_robust_list(0x555555ab3660, 24 [pid 5532] +++ exited with 0 +++ [pid 5530] +++ exited with 0 +++ [pid 5535] <... set_robust_list resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5530, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5535] setpgid(0, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5536 attached ./strace-static-x86_64: Process 5537 attached [pid 5535] <... setpgid resumed>) = 0 [pid 5536] set_robust_list(0x555555ab3660, 24 [pid 5537] set_robust_list(0x555555ab3660, 24) = 0 [pid 5536] <... set_robust_list resumed>) = 0 [pid 5537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5534] <... bpf resumed>) = 5 [pid 5533] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5537 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5536 [pid 5537] <... prctl resumed>) = 0 [pid 5536] <... prctl resumed>) = 0 [pid 5535] <... openat resumed>) = 3 [pid 5534] perf_event_open(NULL, 0, -1, -1, 0 [pid 5537] setpgid(0, 0 [pid 5536] setpgid(0, 0 [pid 5535] write(3, "1000", 4 [pid 5534] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5533] perf_event_open(NULL, 0, -1, -1, 0 [pid 5537] <... setpgid resumed>) = 0 [pid 5536] <... setpgid resumed>) = 0 [pid 5535] <... write resumed>) = 4 [pid 5534] exit_group(0 [pid 5533] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5535] close(3 [pid 5534] <... exit_group resumed>) = ? [pid 5533] exit_group(0 [pid 5537] <... openat resumed>) = 3 [pid 5536] <... openat resumed>) = 3 [pid 5535] <... close resumed>) = 0 [pid 5534] +++ exited with 0 +++ [pid 5537] write(3, "1000", 4 [pid 5536] write(3, "1000", 4 [pid 5535] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5533] <... exit_group resumed>) = ? [pid 5537] <... write resumed>) = 4 [pid 5536] <... write resumed>) = 4 [pid 5535] <... bpf resumed>) = 3 [pid 5533] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5534, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5537] close(3) = 0 [pid 5536] close(3 [pid 5535] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5537] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5536] <... close resumed>) = 0 [pid 5537] <... bpf resumed>) = 3 [pid 5080] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5538 attached [pid 5538] set_robust_list(0x555555ab3660, 24 [pid 5535] <... bpf resumed>) = 4 [pid 5538] <... set_robust_list resumed>) = 0 [pid 5538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5538] setpgid(0, 0 [pid 5536] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5535] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5538] <... setpgid resumed>) = 0 [pid 5537] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5538 [pid 5538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5537] <... bpf resumed>) = 4 [pid 5536] <... bpf resumed>) = 3 [pid 5538] <... openat resumed>) = 3 [pid 5536] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5538] write(3, "1000", 4) = 4 [pid 5537] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5538] close(3) = 0 [pid 5538] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5539 attached ) = 3 [pid 5536] <... bpf resumed>) = 4 [pid 5539] set_robust_list(0x555555ab3660, 24) = 0 [pid 5536] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5539 [pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5539] setpgid(0, 0) = 0 [pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5535] <... bpf resumed>) = 5 [pid 5539] <... openat resumed>) = 3 [pid 5538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5537] <... bpf resumed>) = 5 [pid 5536] <... bpf resumed>) = 5 [pid 5535] perf_event_open(NULL, 0, -1, -1, 0 [pid 5537] perf_event_open(NULL, 0, -1, -1, 0 [pid 5536] perf_event_open(NULL, 0, -1, -1, 0 [pid 5535] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5539] write(3, "1000", 4 [pid 5538] <... bpf resumed>) = 4 [pid 5537] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5536] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5539] <... write resumed>) = 4 [pid 5536] exit_group(0 [pid 5535] exit_group(0 [pid 5537] exit_group(0 [pid 5539] close(3 [pid 5537] <... exit_group resumed>) = ? [pid 5536] <... exit_group resumed>) = ? [pid 5535] <... exit_group resumed>) = ? [pid 5539] <... close resumed>) = 0 [pid 5538] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5539] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5538] <... bpf resumed>) = 5 [pid 5535] +++ exited with 0 +++ [pid 5538] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5538] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5538] exit_group(0) = ? ./strace-static-x86_64: Process 5540 attached [pid 5537] +++ exited with 0 +++ [pid 5540] set_robust_list(0x555555ab3660, 24 [pid 5539] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5540] <... set_robust_list resumed>) = 0 [pid 5539] <... bpf resumed>) = 4 [pid 5540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5539] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5540 [pid 5540] <... prctl resumed>) = 0 [pid 5540] setpgid(0, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5541 attached [pid 5540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] set_robust_list(0x555555ab3660, 24) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5541 [pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] <... openat resumed>) = 3 [pid 5541] <... prctl resumed>) = 0 [pid 5538] +++ exited with 0 +++ [pid 5536] +++ exited with 0 +++ [pid 5541] setpgid(0, 0 [pid 5540] write(3, "1000", 4 [pid 5541] <... setpgid resumed>) = 0 [pid 5540] <... write resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5540] close(3 [pid 5541] <... openat resumed>) = 3 [pid 5540] <... close resumed>) = 0 [pid 5541] write(3, "1000", 4) = 4 [pid 5541] close(3 [pid 5540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5541] <... close resumed>) = 0 [pid 5541] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5542 attached ) = 3 [pid 5542] set_robust_list(0x555555ab3660, 24) = 0 [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] <... bpf resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5542] <... prctl resumed>) = 0 [pid 5542] setpgid(0, 0) = 0 [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5543 attached [pid 5542] <... openat resumed>) = 3 [pid 5541] <... bpf resumed>) = 4 [pid 5540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5539] <... bpf resumed>) = 5 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5542 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5543 [pid 5543] set_robust_list(0x555555ab3660, 24 [pid 5542] write(3, "1000", 4 [pid 5543] <... set_robust_list resumed>) = 0 [pid 5542] <... write resumed>) = 4 [pid 5541] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5539] perf_event_open(NULL, 0, -1, -1, 0 [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5542] close(3 [pid 5541] <... bpf resumed>) = 5 [pid 5539] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5542] <... close resumed>) = 0 [pid 5543] <... prctl resumed>) = 0 [pid 5542] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5540] <... bpf resumed>) = 4 [pid 5539] exit_group(0 [pid 5543] setpgid(0, 0 [pid 5542] <... bpf resumed>) = 3 [pid 5541] perf_event_open(NULL, 0, -1, -1, 0 [pid 5540] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5543] <... setpgid resumed>) = 0 [pid 5541] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5539] <... exit_group resumed>) = ? [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] exit_group(0 [pid 5540] <... bpf resumed>) = 5 [pid 5539] +++ exited with 0 +++ [pid 5542] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5543] <... openat resumed>) = 3 [pid 5542] <... bpf resumed>) = 4 [pid 5541] <... exit_group resumed>) = ? [pid 5540] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5543] write(3, "1000", 4 [pid 5540] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5542] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5540] exit_group(0 [pid 5543] <... write resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] <... exit_group resumed>) = ? [pid 5543] close(3) = 0 [pid 5543] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5544 attached [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5544 [pid 5544] set_robust_list(0x555555ab3660, 24 [pid 5543] <... bpf resumed>) = 3 [pid 5542] <... bpf resumed>) = 5 [pid 5541] +++ exited with 0 +++ [pid 5544] <... set_robust_list resumed>) = 0 [pid 5543] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5542] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5542] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5544] <... prctl resumed>) = 0 [pid 5544] setpgid(0, 0) = 0 [pid 5543] <... bpf resumed>) = 4 [pid 5542] exit_group(0 [pid 5543] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5542] <... exit_group resumed>) = ? [pid 5544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5544] write(3, "1000", 4 [pid 5542] +++ exited with 0 +++ [pid 5540] +++ exited with 0 +++ [pid 5544] <... write resumed>) = 4 [pid 5544] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5544] <... close resumed>) = 0 [pid 5544] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5546 attached ./strace-static-x86_64: Process 5545 attached ./strace-static-x86_64: Process 5547 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5545 [pid 5547] set_robust_list(0x555555ab3660, 24 [pid 5546] set_robust_list(0x555555ab3660, 24 [pid 5545] set_robust_list(0x555555ab3660, 24 [pid 5544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5547 [pid 5547] <... set_robust_list resumed>) = 0 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5545] <... set_robust_list resumed>) = 0 [pid 5544] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5546 [pid 5547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5547] <... prctl resumed>) = 0 [pid 5546] <... prctl resumed>) = 0 [pid 5545] <... prctl resumed>) = 0 [pid 5547] setpgid(0, 0 [pid 5546] setpgid(0, 0 [pid 5545] setpgid(0, 0 [pid 5547] <... setpgid resumed>) = 0 [pid 5546] <... setpgid resumed>) = 0 [pid 5545] <... setpgid resumed>) = 0 [pid 5544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5547] <... openat resumed>) = 3 [pid 5547] write(3, "1000", 4) = 4 [pid 5546] <... openat resumed>) = 3 [pid 5545] <... openat resumed>) = 3 [pid 5547] close(3) = 0 [pid 5547] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5546] write(3, "1000", 4 [pid 5545] write(3, "1000", 4 [pid 5546] <... write resumed>) = 4 [pid 5546] close(3 [pid 5545] <... write resumed>) = 4 [pid 5545] close(3 [pid 5547] <... bpf resumed>) = 3 [pid 5546] <... close resumed>) = 0 [pid 5545] <... close resumed>) = 0 [pid 5546] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5545] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5543] <... bpf resumed>) = 5 [pid 5546] <... bpf resumed>) = 3 [pid 5544] <... bpf resumed>) = 5 [pid 5547] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5545] <... bpf resumed>) = 3 [pid 5543] perf_event_open(NULL, 0, -1, -1, 0 [pid 5546] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5544] perf_event_open(NULL, 0, -1, -1, 0 [pid 5543] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5545] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5543] exit_group(0 [pid 5547] <... bpf resumed>) = 4 [pid 5544] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5543] <... exit_group resumed>) = ? [pid 5544] exit_group(0 [pid 5547] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5546] <... bpf resumed>) = 4 [pid 5545] <... bpf resumed>) = 4 [pid 5544] <... exit_group resumed>) = ? [pid 5546] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5545] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5543] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5544] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5548 attached [pid 5548] set_robust_list(0x555555ab3660, 24 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5548 [pid 5548] <... set_robust_list resumed>) = 0 [pid 5548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5548] setpgid(0, 0./strace-static-x86_64: Process 5549 attached [pid 5547] <... bpf resumed>) = 5 [pid 5546] <... bpf resumed>) = 5 [pid 5545] <... bpf resumed>) = 5 [pid 5547] perf_event_open(NULL, 0, -1, -1, 0 [pid 5545] perf_event_open(NULL, 0, -1, -1, 0 [pid 5547] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5545] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5549 [pid 5549] set_robust_list(0x555555ab3660, 24 [pid 5548] <... setpgid resumed>) = 0 [pid 5547] exit_group(0 [pid 5546] perf_event_open(NULL, 0, -1, -1, 0 [pid 5545] exit_group(0 [pid 5549] <... set_robust_list resumed>) = 0 [pid 5546] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5547] <... exit_group resumed>) = ? [pid 5546] exit_group(0 [pid 5545] <... exit_group resumed>) = ? [pid 5548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5549] <... prctl resumed>) = 0 [pid 5546] <... exit_group resumed>) = ? [pid 5549] setpgid(0, 0 [pid 5548] <... openat resumed>) = 3 [pid 5547] +++ exited with 0 +++ [pid 5546] +++ exited with 0 +++ [pid 5545] +++ exited with 0 +++ [pid 5549] <... setpgid resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5548] write(3, "1000", 4 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5549] <... openat resumed>) = 3 [pid 5548] <... write resumed>) = 4 ./strace-static-x86_64: Process 5550 attached [pid 5548] close(3./strace-static-x86_64: Process 5551 attached [pid 5551] set_robust_list(0x555555ab3660, 24) = 0 [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5551] setpgid(0, 0) = 0 [pid 5550] set_robust_list(0x555555ab3660, 24 [pid 5549] write(3, "1000", 4 [pid 5548] <... close resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5551 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5550 ./strace-static-x86_64: Process 5552 attached [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] <... set_robust_list resumed>) = 0 [pid 5549] <... write resumed>) = 4 [pid 5548] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5552] set_robust_list(0x555555ab3660, 24 [pid 5551] <... openat resumed>) = 3 [pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5549] close(3 [pid 5548] <... bpf resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5552 [pid 5552] <... set_robust_list resumed>) = 0 [pid 5551] write(3, "1000", 4 [pid 5550] <... prctl resumed>) = 0 [pid 5549] <... close resumed>) = 0 [pid 5551] <... write resumed>) = 4 [pid 5549] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5551] close(3 [pid 5550] setpgid(0, 0 [pid 5549] <... bpf resumed>) = 3 [pid 5548] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5552] <... prctl resumed>) = 0 [pid 5551] <... close resumed>) = 0 [pid 5550] <... setpgid resumed>) = 0 [pid 5552] setpgid(0, 0 [pid 5551] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5548] <... bpf resumed>) = 4 [pid 5552] <... setpgid resumed>) = 0 [pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] <... openat resumed>) = 3 [pid 5549] <... bpf resumed>) = 4 [pid 5548] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5552] <... openat resumed>) = 3 [pid 5551] <... bpf resumed>) = 3 [pid 5550] write(3, "1000", 4 [pid 5549] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5548] <... bpf resumed>) = 5 [pid 5552] write(3, "1000", 4 [pid 5551] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5550] <... write resumed>) = 4 [pid 5552] <... write resumed>) = 4 [pid 5550] close(3 [pid 5549] <... bpf resumed>) = 5 [pid 5548] perf_event_open(NULL, 0, -1, -1, 0 [pid 5552] close(3 [pid 5550] <... close resumed>) = 0 [pid 5548] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5552] <... close resumed>) = 0 [pid 5550] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5548] exit_group(0 [pid 5552] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5551] <... bpf resumed>) = 4 [pid 5550] <... bpf resumed>) = 3 [pid 5549] perf_event_open(NULL, 0, -1, -1, 0 [pid 5551] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5549] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5548] <... exit_group resumed>) = ? [pid 5551] <... bpf resumed>) = 5 [pid 5550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5549] exit_group(0 [pid 5551] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5549] <... exit_group resumed>) = ? [pid 5552] <... bpf resumed>) = 3 [pid 5551] exit_group(0) = ? [pid 5548] +++ exited with 0 +++ [pid 5550] <... bpf resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5552] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5550] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5552] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5552] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5549] +++ exited with 0 +++ [pid 5551] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5553 attached [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5553 [pid 5553] set_robust_list(0x555555ab3660, 24 [pid 5552] <... bpf resumed>) = 5 [pid 5550] <... bpf resumed>) = 5 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5552] perf_event_open(NULL, 0, -1, -1, 0 [pid 5553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5552] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5553] <... prctl resumed>) = 0 [pid 5552] exit_group(0 [pid 5553] setpgid(0, 0) = 0 [pid 5552] <... exit_group resumed>) = ? [pid 5553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5554 attached [pid 5553] <... openat resumed>) = 3 [pid 5552] +++ exited with 0 +++ [pid 5550] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5554] set_robust_list(0x555555ab3660, 24 [pid 5553] write(3, "1000", 4 [pid 5550] exit_group(0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5554 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5554] <... set_robust_list resumed>) = 0 [pid 5553] <... write resumed>) = 4 [pid 5550] <... exit_group resumed>) = ? [pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5553] close(3 [pid 5554] <... prctl resumed>) = 0 [pid 5553] <... close resumed>) = 0 [pid 5554] setpgid(0, 0 [pid 5553] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5554] <... setpgid resumed>) = 0 [pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] +++ exited with 0 +++ [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5554] <... openat resumed>) = 3 [pid 5553] <... bpf resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5550, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5554] write(3, "1000", 4) = 4 [pid 5553] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5554] close(3) = 0 ./strace-static-x86_64: Process 5556 attached ./strace-static-x86_64: Process 5555 attached [pid 5553] <... bpf resumed>) = 4 [pid 5554] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5553] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5556] set_robust_list(0x555555ab3660, 24 [pid 5555] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5556 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5555 [pid 5556] <... set_robust_list resumed>) = 0 [pid 5555] <... set_robust_list resumed>) = 0 [pid 5554] <... bpf resumed>) = 3 [pid 5553] <... bpf resumed>) = 5 [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5554] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5553] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5557 attached [pid 5556] <... prctl resumed>) = 0 [pid 5555] <... prctl resumed>) = 0 [pid 5554] <... bpf resumed>) = 4 [pid 5553] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5557] set_robust_list(0x555555ab3660, 24 [pid 5556] setpgid(0, 0 [pid 5555] setpgid(0, 0 [pid 5554] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5553] exit_group(0 [pid 5557] <... set_robust_list resumed>) = 0 [pid 5556] <... setpgid resumed>) = 0 [pid 5555] <... setpgid resumed>) = 0 [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5553] <... exit_group resumed>) = ? [pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5554] <... bpf resumed>) = 5 [pid 5555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5557 [pid 5557] <... prctl resumed>) = 0 [pid 5556] <... openat resumed>) = 3 [pid 5555] <... openat resumed>) = 3 [pid 5554] perf_event_open(NULL, 0, -1, -1, 0 [pid 5557] setpgid(0, 0 [pid 5556] write(3, "1000", 4 [pid 5555] write(3, "1000", 4 [pid 5554] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5556] <... write resumed>) = 4 [pid 5555] <... write resumed>) = 4 [pid 5554] exit_group(0 [pid 5557] <... setpgid resumed>) = 0 [pid 5556] close(3 [pid 5555] close(3 [pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5556] <... close resumed>) = 0 [pid 5555] <... close resumed>) = 0 [pid 5554] <... exit_group resumed>) = ? [pid 5556] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5555] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5557] <... openat resumed>) = 3 [pid 5556] <... bpf resumed>) = 3 [pid 5555] <... bpf resumed>) = 3 [pid 5553] +++ exited with 0 +++ [pid 5557] write(3, "1000", 4 [pid 5554] +++ exited with 0 +++ [pid 5557] <... write resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5557] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5557] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5558 attached ) = 3 [pid 5556] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5555] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5554, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5558] set_robust_list(0x555555ab3660, 24) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5558] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5559 attached ) = 0 [pid 5559] set_robust_list(0x555555ab3660, 24 [pid 5558] setpgid(0, 0 [pid 5557] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5556] <... bpf resumed>) = 4 [pid 5555] <... bpf resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5558 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5558] <... setpgid resumed>) = 0 [pid 5557] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5559 [pid 5556] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5557] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5555] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5559] <... prctl resumed>) = 0 [pid 5558] <... openat resumed>) = 3 [pid 5557] <... bpf resumed>) = 5 [pid 5556] <... bpf resumed>) = 5 [pid 5555] <... bpf resumed>) = 5 [pid 5559] setpgid(0, 0 [pid 5558] write(3, "1000", 4 [pid 5557] perf_event_open(NULL, 0, -1, -1, 0 [pid 5556] perf_event_open(NULL, 0, -1, -1, 0 [pid 5555] perf_event_open(NULL, 0, -1, -1, 0 [pid 5559] <... setpgid resumed>) = 0 [pid 5558] <... write resumed>) = 4 [pid 5557] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5556] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5555] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5558] close(3 [pid 5557] exit_group(0 [pid 5556] exit_group(0 [pid 5555] exit_group(0 [pid 5558] <... close resumed>) = 0 [pid 5557] <... exit_group resumed>) = ? [pid 5556] <... exit_group resumed>) = ? [pid 5558] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5557] +++ exited with 0 +++ [pid 5555] <... exit_group resumed>) = ? [pid 5559] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5559] write(3, "1000", 4 [pid 5558] <... bpf resumed>) = 3 [pid 5559] <... write resumed>) = 4 [pid 5559] close(3 [pid 5558] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5559] <... close resumed>) = 0 [pid 5559] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5558] <... bpf resumed>) = 4 [pid 5559] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5560 attached [pid 5559] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5558] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5560] set_robust_list(0x555555ab3660, 24) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5560 [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5560] setpgid(0, 0) = 0 [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5559] <... bpf resumed>) = 4 [pid 5559] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5560] <... openat resumed>) = 3 [pid 5560] write(3, "1000", 4 [pid 5556] +++ exited with 0 +++ [pid 5555] +++ exited with 0 +++ [pid 5560] <... write resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5560] close(3) = 0 [pid 5560] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5561 attached [pid 5560] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5561] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5562 attached [pid 5562] set_robust_list(0x555555ab3660, 24) = 0 [pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5561] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5561 [pid 5562] <... prctl resumed>) = 0 [pid 5562] setpgid(0, 0 [pid 5561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5562 [pid 5562] <... setpgid resumed>) = 0 [pid 5560] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5561] <... prctl resumed>) = 0 [pid 5562] <... openat resumed>) = 3 [pid 5562] write(3, "1000", 4) = 4 [pid 5562] close(3) = 0 [pid 5561] setpgid(0, 0 [pid 5560] <... bpf resumed>) = 4 [pid 5559] <... bpf resumed>) = 5 [pid 5558] <... bpf resumed>) = 5 [pid 5562] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5561] <... setpgid resumed>) = 0 [pid 5560] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5559] perf_event_open(NULL, 0, -1, -1, 0 [pid 5562] <... bpf resumed>) = 3 [pid 5561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5560] <... bpf resumed>) = 5 [pid 5559] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5558] perf_event_open(NULL, 0, -1, -1, 0 [pid 5560] perf_event_open(NULL, 0, -1, -1, 0 [pid 5559] exit_group(0 [pid 5561] <... openat resumed>) = 3 [pid 5560] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5558] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5559] <... exit_group resumed>) = ? [pid 5561] write(3, "1000", 4 [pid 5560] exit_group(0 [pid 5558] exit_group(0 [pid 5562] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5561] <... write resumed>) = 4 [pid 5558] <... exit_group resumed>) = ? [pid 5562] <... bpf resumed>) = 4 [pid 5561] close(3 [pid 5560] <... exit_group resumed>) = ? [pid 5559] +++ exited with 0 +++ [pid 5561] <... close resumed>) = 0 [pid 5561] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5562] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5563 attached , child_tidptr=0x555555ab3650) = 5563 [pid 5563] set_robust_list(0x555555ab3660, 24 [pid 5561] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5563] <... set_robust_list resumed>) = 0 [pid 5563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5561] <... bpf resumed>) = 4 [pid 5563] <... prctl resumed>) = 0 [pid 5563] setpgid(0, 0) = 0 [pid 5563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5561] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5563] <... openat resumed>) = 3 [pid 5563] write(3, "1000", 4) = 4 [pid 5563] close(3) = 0 [pid 5563] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5563] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5560] +++ exited with 0 +++ [pid 5558] +++ exited with 0 +++ [pid 5563] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5564 attached [pid 5564] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5565 attached [pid 5563] <... bpf resumed>) = 5 [pid 5562] <... bpf resumed>) = 5 [pid 5561] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5564 [pid 5565] set_robust_list(0x555555ab3660, 24 [pid 5564] <... set_robust_list resumed>) = 0 [pid 5563] perf_event_open(NULL, 0, -1, -1, 0 [pid 5565] <... set_robust_list resumed>) = 0 [pid 5564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5563] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5564] <... prctl resumed>) = 0 [pid 5563] exit_group(0) = ? [pid 5565] <... prctl resumed>) = 0 [pid 5564] setpgid(0, 0 [pid 5562] perf_event_open(NULL, 0, -1, -1, 0 [pid 5561] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5565 [pid 5561] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5563] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5562] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5561] exit_group(0 [pid 5562] exit_group(0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5565] setpgid(0, 0 [pid 5564] <... setpgid resumed>) = 0 [pid 5562] <... exit_group resumed>) = ? [pid 5561] <... exit_group resumed>) = ? [pid 5565] <... setpgid resumed>) = 0 [pid 5564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5564] <... openat resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5566 attached [pid 5565] <... openat resumed>) = 3 [pid 5566] set_robust_list(0x555555ab3660, 24 [pid 5565] write(3, "1000", 4) = 4 [pid 5564] write(3, "1000", 4 [pid 5566] <... set_robust_list resumed>) = 0 [pid 5565] close(3 [pid 5564] <... write resumed>) = 4 [pid 5565] <... close resumed>) = 0 [pid 5564] close(3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5566 [pid 5566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5565] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5564] <... close resumed>) = 0 [pid 5566] <... prctl resumed>) = 0 [pid 5565] <... bpf resumed>) = 3 [pid 5564] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5566] setpgid(0, 0) = 0 [pid 5566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5564] <... bpf resumed>) = 3 [pid 5565] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5566] <... openat resumed>) = 3 [pid 5565] <... bpf resumed>) = 4 [pid 5566] write(3, "1000", 4 [pid 5564] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5566] <... write resumed>) = 4 [pid 5565] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5564] <... bpf resumed>) = 4 [pid 5564] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5566] close(3 [pid 5562] +++ exited with 0 +++ [pid 5561] +++ exited with 0 +++ [pid 5566] <... close resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5566] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5567 attached ./strace-static-x86_64: Process 5568 attached [pid 5568] set_robust_list(0x555555ab3660, 24 [pid 5566] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5568] <... set_robust_list resumed>) = 0 [pid 5567] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5567 [pid 5568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5567] <... set_robust_list resumed>) = 0 [pid 5566] <... bpf resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5568 [pid 5568] <... prctl resumed>) = 0 [pid 5567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5568] setpgid(0, 0 [pid 5567] <... prctl resumed>) = 0 [pid 5565] <... bpf resumed>) = 5 [pid 5564] <... bpf resumed>) = 5 [pid 5568] <... setpgid resumed>) = 0 [pid 5567] setpgid(0, 0 [pid 5566] <... bpf resumed>) = 5 [pid 5565] perf_event_open(NULL, 0, -1, -1, 0 [pid 5564] perf_event_open(NULL, 0, -1, -1, 0 [pid 5568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5567] <... setpgid resumed>) = 0 [pid 5566] perf_event_open(NULL, 0, -1, -1, 0 [pid 5565] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5566] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5565] exit_group(0 [pid 5564] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5565] <... exit_group resumed>) = ? [pid 5568] <... openat resumed>) = 3 [pid 5567] <... openat resumed>) = 3 [pid 5566] exit_group(0 [pid 5564] exit_group(0 [pid 5566] <... exit_group resumed>) = ? [pid 5568] write(3, "1000", 4 [pid 5567] write(3, "1000", 4 [pid 5568] <... write resumed>) = 4 [pid 5567] <... write resumed>) = 4 [pid 5565] +++ exited with 0 +++ [pid 5564] <... exit_group resumed>) = ? [pid 5568] close(3 [pid 5567] close(3 [pid 5568] <... close resumed>) = 0 [pid 5567] <... close resumed>) = 0 [pid 5568] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5569 attached [pid 5569] set_robust_list(0x555555ab3660, 24 [pid 5568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5569 [pid 5569] <... set_robust_list resumed>) = 0 [pid 5568] <... bpf resumed>) = 4 [pid 5567] <... bpf resumed>) = 3 [pid 5569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5569] <... prctl resumed>) = 0 [pid 5569] setpgid(0, 0 [pid 5568] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5567] <... bpf resumed>) = 4 [pid 5569] <... setpgid resumed>) = 0 [pid 5569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5569] <... openat resumed>) = 3 [pid 5566] +++ exited with 0 +++ [pid 5564] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5569] write(3, "1000", 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5569] <... write resumed>) = 4 [pid 5569] close(3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5569] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5569] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5571 attached ./strace-static-x86_64: Process 5570 attached [pid 5568] <... bpf resumed>) = 5 [pid 5567] <... bpf resumed>) = 5 [pid 5568] perf_event_open(NULL, 0, -1, -1, 0 [pid 5567] perf_event_open(NULL, 0, -1, -1, 0 [pid 5571] set_robust_list(0x555555ab3660, 24 [pid 5570] set_robust_list(0x555555ab3660, 24 [pid 5569] <... bpf resumed>) = 3 [pid 5568] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5567] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5571] <... set_robust_list resumed>) = 0 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5569] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5568] exit_group(0 [pid 5567] exit_group(0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5571 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5570 [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5568] <... exit_group resumed>) = ? [pid 5567] <... exit_group resumed>) = ? [pid 5571] <... prctl resumed>) = 0 [pid 5570] <... prctl resumed>) = 0 [pid 5569] <... bpf resumed>) = 4 [pid 5571] setpgid(0, 0 [pid 5570] setpgid(0, 0 [pid 5571] <... setpgid resumed>) = 0 [pid 5570] <... setpgid resumed>) = 0 [pid 5569] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5570] <... openat resumed>) = 3 [pid 5571] <... openat resumed>) = 3 [pid 5571] write(3, "1000", 4 [pid 5570] write(3, "1000", 4 [pid 5571] <... write resumed>) = 4 [pid 5570] <... write resumed>) = 4 [pid 5571] close(3 [pid 5570] close(3 [pid 5571] <... close resumed>) = 0 [pid 5570] <... close resumed>) = 0 [pid 5571] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5570] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5571] <... bpf resumed>) = 3 [pid 5571] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5570] <... bpf resumed>) = 3 [pid 5568] +++ exited with 0 +++ [pid 5567] +++ exited with 0 +++ [pid 5571] <... bpf resumed>) = 4 [pid 5570] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5570] <... bpf resumed>) = 4 [pid 5570] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5571] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5573 attached ./strace-static-x86_64: Process 5572 attached [pid 5573] set_robust_list(0x555555ab3660, 24 [pid 5572] set_robust_list(0x555555ab3660, 24 [pid 5573] <... set_robust_list resumed>) = 0 [pid 5572] <... set_robust_list resumed>) = 0 [pid 5573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5573] setpgid(0, 0 [pid 5572] <... prctl resumed>) = 0 [pid 5573] <... setpgid resumed>) = 0 [pid 5572] setpgid(0, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5572 [pid 5573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5572] <... setpgid resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5573 [pid 5573] <... openat resumed>) = 3 [pid 5573] write(3, "1000", 4 [pid 5572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5573] <... write resumed>) = 4 [pid 5572] <... openat resumed>) = 3 [pid 5571] <... bpf resumed>) = 5 [pid 5570] <... bpf resumed>) = 5 [pid 5569] <... bpf resumed>) = 5 [pid 5573] close(3 [pid 5572] write(3, "1000", 4 [pid 5570] perf_event_open(NULL, 0, -1, -1, 0 [pid 5569] perf_event_open(NULL, 0, -1, -1, 0 [pid 5573] <... close resumed>) = 0 [pid 5572] <... write resumed>) = 4 [pid 5571] perf_event_open(NULL, 0, -1, -1, 0 [pid 5570] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5569] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5573] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5572] close(3 [pid 5571] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5570] exit_group(0 [pid 5569] exit_group(0 [pid 5571] exit_group(0) = ? [pid 5573] <... bpf resumed>) = 3 [pid 5572] <... close resumed>) = 0 [pid 5571] +++ exited with 0 +++ [pid 5570] <... exit_group resumed>) = ? [pid 5569] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5572] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5574 attached [pid 5574] set_robust_list(0x555555ab3660, 24 [pid 5573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5574] <... set_robust_list resumed>) = 0 [pid 5574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5573] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5574 [pid 5574] setpgid(0, 0) = 0 [pid 5574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5573] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5572] <... bpf resumed>) = 3 [pid 5572] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5574] <... openat resumed>) = 3 [pid 5574] write(3, "1000", 4) = 4 [pid 5572] <... bpf resumed>) = 4 [pid 5572] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5574] close(3) = 0 [pid 5574] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5569] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5570] +++ exited with 0 +++ [pid 5074] <... restart_syscall resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5570, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5574] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5574] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5575 attached [pid 5574] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5575 ./strace-static-x86_64: Process 5576 attached [pid 5575] set_robust_list(0x555555ab3660, 24 [pid 5576] set_robust_list(0x555555ab3660, 24 [pid 5575] <... set_robust_list resumed>) = 0 [pid 5576] <... set_robust_list resumed>) = 0 [pid 5575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5576 [pid 5576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5575] <... prctl resumed>) = 0 [pid 5576] <... prctl resumed>) = 0 [pid 5575] setpgid(0, 0 [pid 5576] setpgid(0, 0 [pid 5575] <... setpgid resumed>) = 0 [pid 5573] <... bpf resumed>) = 5 [pid 5576] <... setpgid resumed>) = 0 [pid 5572] <... bpf resumed>) = 5 [pid 5575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5574] <... bpf resumed>) = 5 [pid 5572] perf_event_open(NULL, 0, -1, -1, 0 [pid 5576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5575] <... openat resumed>) = 3 [pid 5574] perf_event_open(NULL, 0, -1, -1, 0 [pid 5573] perf_event_open(NULL, 0, -1, -1, 0 [pid 5572] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5574] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5575] write(3, "1000", 4 [pid 5574] exit_group(0 [pid 5573] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5572] exit_group(0 [pid 5574] <... exit_group resumed>) = ? [pid 5576] <... openat resumed>) = 3 [pid 5575] <... write resumed>) = 4 [pid 5576] write(3, "1000", 4 [pid 5575] close(3 [pid 5573] exit_group(0 [pid 5572] <... exit_group resumed>) = ? [pid 5576] <... write resumed>) = 4 [pid 5575] <... close resumed>) = 0 [pid 5573] <... exit_group resumed>) = ? [pid 5572] +++ exited with 0 +++ [pid 5576] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5576] <... close resumed>) = 0 [pid 5575] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5574] +++ exited with 0 +++ [pid 5573] +++ exited with 0 +++ [pid 5576] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5575] <... bpf resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5577 attached [pid 5576] <... bpf resumed>) = 3 [pid 5577] set_robust_list(0x555555ab3660, 24 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5577] <... set_robust_list resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5578 attached [pid 5577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5578 [pid 5578] set_robust_list(0x555555ab3660, 24 [pid 5577] <... prctl resumed>) = 0 [pid 5575] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5577 ./strace-static-x86_64: Process 5579 attached [pid 5578] <... set_robust_list resumed>) = 0 [pid 5577] setpgid(0, 0 [pid 5576] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5575] <... bpf resumed>) = 4 [pid 5579] set_robust_list(0x555555ab3660, 24 [pid 5578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5577] <... setpgid resumed>) = 0 [pid 5576] <... bpf resumed>) = 4 [pid 5579] <... set_robust_list resumed>) = 0 [pid 5578] <... prctl resumed>) = 0 [pid 5577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5575] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5579] <... prctl resumed>) = 0 [pid 5578] setpgid(0, 0 [pid 5579] setpgid(0, 0 [pid 5578] <... setpgid resumed>) = 0 [pid 5577] <... openat resumed>) = 3 [pid 5576] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5575] <... bpf resumed>) = 5 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5579 [pid 5579] <... setpgid resumed>) = 0 [pid 5578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5577] write(3, "1000", 4 [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5578] <... openat resumed>) = 3 [pid 5577] <... write resumed>) = 4 [pid 5576] <... bpf resumed>) = 5 [pid 5575] perf_event_open(NULL, 0, -1, -1, 0 [pid 5579] <... openat resumed>) = 3 [pid 5578] write(3, "1000", 4 [pid 5577] close(3 [pid 5575] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5576] perf_event_open(NULL, 0, -1, -1, 0 [pid 5575] exit_group(0 [pid 5576] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5575] <... exit_group resumed>) = ? [pid 5579] write(3, "1000", 4 [pid 5578] <... write resumed>) = 4 [pid 5577] <... close resumed>) = 0 [pid 5576] exit_group(0 [pid 5579] <... write resumed>) = 4 [pid 5578] close(3 [pid 5577] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5579] close(3 [pid 5578] <... close resumed>) = 0 [pid 5576] <... exit_group resumed>) = ? [pid 5579] <... close resumed>) = 0 [pid 5578] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5577] <... bpf resumed>) = 3 [pid 5579] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5577] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5579] <... bpf resumed>) = 3 [pid 5578] <... bpf resumed>) = 3 [pid 5577] <... bpf resumed>) = 4 [pid 5579] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5578] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5577] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5578] <... bpf resumed>) = 4 [pid 5579] <... bpf resumed>) = 4 [pid 5575] +++ exited with 0 +++ [pid 5579] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5578] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5579] <... bpf resumed>) = 5 [pid 5578] <... bpf resumed>) = 5 [pid 5579] perf_event_open(NULL, 0, -1, -1, 0 [pid 5578] perf_event_open(NULL, 0, -1, -1, 0 [pid 5579] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5578] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5579] exit_group(0 [pid 5577] <... bpf resumed>) = 5 [pid 5576] +++ exited with 0 +++ [pid 5074] <... restart_syscall resumed>) = 0 [pid 5579] <... exit_group resumed>) = ? [pid 5578] exit_group(0 [pid 5577] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5577] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5579] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5578] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5580 attached [pid 5577] <... exit_group resumed>) = ? [pid 5580] set_robust_list(0x555555ab3660, 24) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5580 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5580] <... prctl resumed>) = 0 [pid 5580] setpgid(0, 0) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5580] write(3, "1000", 4./strace-static-x86_64: Process 5582 attached ./strace-static-x86_64: Process 5581 attached ) = 4 [pid 5578] +++ exited with 0 +++ [pid 5577] +++ exited with 0 +++ [pid 5580] close(3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5582 [pid 5580] <... close resumed>) = 0 [pid 5582] set_robust_list(0x555555ab3660, 24 [pid 5581] set_robust_list(0x555555ab3660, 24 [pid 5580] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5581 [pid 5582] <... set_robust_list resumed>) = 0 [pid 5581] <... set_robust_list resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5580] <... bpf resumed>) = 3 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5582] <... prctl resumed>) = 0 [pid 5581] <... prctl resumed>) = 0 [pid 5580] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5582] setpgid(0, 0 [pid 5581] setpgid(0, 0 [pid 5582] <... setpgid resumed>) = 0 [pid 5581] <... setpgid resumed>) = 0 [pid 5582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5580] <... bpf resumed>) = 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5582] <... openat resumed>) = 3 [pid 5580] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5583 attached ./strace-static-x86_64: Process 5584 attached [pid 5581] <... openat resumed>) = 3 [pid 5583] set_robust_list(0x555555ab3660, 24 [pid 5582] write(3, "1000", 4 [pid 5581] write(3, "1000", 4) = 4 [pid 5582] <... write resumed>) = 4 [pid 5581] close(3 [pid 5582] close(3 [pid 5581] <... close resumed>) = 0 [pid 5584] set_robust_list(0x555555ab3660, 24 [pid 5583] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5583 [pid 5584] <... set_robust_list resumed>) = 0 [pid 5583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5582] <... close resumed>) = 0 [pid 5581] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5583] <... prctl resumed>) = 0 [pid 5582] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5581] <... bpf resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5584 [pid 5584] <... prctl resumed>) = 0 [pid 5583] setpgid(0, 0 [pid 5582] <... bpf resumed>) = 3 [pid 5584] setpgid(0, 0 [pid 5583] <... setpgid resumed>) = 0 [pid 5584] <... setpgid resumed>) = 0 [pid 5583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5582] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5581] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5584] <... openat resumed>) = 3 [pid 5583] <... openat resumed>) = 3 [pid 5582] <... bpf resumed>) = 4 [pid 5581] <... bpf resumed>) = 4 [pid 5584] write(3, "1000", 4 [pid 5581] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5580] <... bpf resumed>) = 5 [pid 5584] <... write resumed>) = 4 [pid 5583] write(3, "1000", 4 [pid 5584] close(3 [pid 5583] <... write resumed>) = 4 [pid 5582] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5581] <... bpf resumed>) = 5 [pid 5580] perf_event_open(NULL, 0, -1, -1, 0 [pid 5584] <... close resumed>) = 0 [pid 5583] close(3 [pid 5582] <... bpf resumed>) = 5 [pid 5584] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5583] <... close resumed>) = 0 [pid 5582] perf_event_open(NULL, 0, -1, -1, 0 [pid 5581] perf_event_open(NULL, 0, -1, -1, 0 [pid 5580] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5582] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5581] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5583] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5582] exit_group(0 [pid 5581] exit_group(0 [pid 5580] exit_group(0 [pid 5582] <... exit_group resumed>) = ? [pid 5581] <... exit_group resumed>) = ? [pid 5584] <... bpf resumed>) = 3 [pid 5584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5583] <... bpf resumed>) = 3 [pid 5581] +++ exited with 0 +++ [pid 5580] <... exit_group resumed>) = ? [pid 5582] +++ exited with 0 +++ [pid 5584] <... bpf resumed>) = 4 [pid 5583] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5580] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5584] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5583] <... bpf resumed>) = 4 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5585 attached [pid 5080] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5586 attached [pid 5585] set_robust_list(0x555555ab3660, 24 [pid 5586] set_robust_list(0x555555ab3660, 24 [pid 5585] <... set_robust_list resumed>) = 0 [pid 5586] <... set_robust_list resumed>) = 0 [pid 5585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5585] <... prctl resumed>) = 0 [pid 5583] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5586 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5585 ./strace-static-x86_64: Process 5587 attached [pid 5586] <... prctl resumed>) = 0 [pid 5585] setpgid(0, 0 [pid 5584] <... bpf resumed>) = 5 [pid 5587] set_robust_list(0x555555ab3660, 24 [pid 5586] setpgid(0, 0 [pid 5585] <... setpgid resumed>) = 0 [pid 5584] perf_event_open(NULL, 0, -1, -1, 0 [pid 5583] <... bpf resumed>) = 5 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5587 [pid 5587] <... set_robust_list resumed>) = 0 [pid 5586] <... setpgid resumed>) = 0 [pid 5585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5584] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5583] perf_event_open(NULL, 0, -1, -1, 0 [pid 5587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5585] <... openat resumed>) = 3 [pid 5584] exit_group(0 [pid 5583] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5587] <... prctl resumed>) = 0 [pid 5584] <... exit_group resumed>) = ? [pid 5583] exit_group(0 [pid 5587] setpgid(0, 0 [pid 5586] <... openat resumed>) = 3 [pid 5585] write(3, "1000", 4 [pid 5587] <... setpgid resumed>) = 0 [pid 5583] <... exit_group resumed>) = ? [pid 5587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5586] write(3, "1000", 4 [pid 5585] <... write resumed>) = 4 [pid 5587] <... openat resumed>) = 3 [pid 5586] <... write resumed>) = 4 [pid 5585] close(3 [pid 5587] write(3, "1000", 4 [pid 5586] close(3 [pid 5585] <... close resumed>) = 0 [pid 5587] <... write resumed>) = 4 [pid 5586] <... close resumed>) = 0 [pid 5585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5586] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5587] close(3) = 0 [pid 5587] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5586] <... bpf resumed>) = 3 [pid 5585] <... bpf resumed>) = 3 [pid 5586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5587] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5585] <... bpf resumed>) = 4 [pid 5587] <... bpf resumed>) = 4 [pid 5586] <... bpf resumed>) = 4 [pid 5584] +++ exited with 0 +++ [pid 5586] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5586] <... bpf resumed>) = 5 [pid 5586] perf_event_open(NULL, 0, -1, -1, 0 [pid 5585] <... bpf resumed>) = 5 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5586] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5585] perf_event_open(NULL, 0, -1, -1, 0 [pid 5587] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5585] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5587] <... bpf resumed>) = 5 [pid 5586] exit_group(0 [pid 5587] perf_event_open(NULL, 0, -1, -1, 0 [pid 5586] <... exit_group resumed>) = ? [pid 5585] exit_group(0 [pid 5583] +++ exited with 0 +++ [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5587] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5587] exit_group(0) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5586] +++ exited with 0 +++ [pid 5585] <... exit_group resumed>) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5589 attached ./strace-static-x86_64: Process 5588 attached [pid 5587] +++ exited with 0 +++ [pid 5589] set_robust_list(0x555555ab3660, 24 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5589] <... set_robust_list resumed>) = 0 [pid 5589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5588] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5588 [pid 5589] <... prctl resumed>) = 0 [pid 5589] setpgid(0, 0 [pid 5588] <... set_robust_list resumed>) = 0 [pid 5585] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5589 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5589] <... setpgid resumed>) = 0 [pid 5589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5589] <... openat resumed>) = 3 [pid 5588] <... prctl resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... restart_syscall resumed>) = 0 [pid 5589] write(3, "1000", 4 [pid 5588] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5590 attached [pid 5589] <... write resumed>) = 4 [pid 5588] <... setpgid resumed>) = 0 [pid 5588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5590] set_robust_list(0x555555ab3660, 24 [pid 5589] close(3./strace-static-x86_64: Process 5592 attached ) = 0 ./strace-static-x86_64: Process 5591 attached [pid 5592] set_robust_list(0x555555ab3660, 24 [pid 5590] <... set_robust_list resumed>) = 0 [pid 5589] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5588] <... openat resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5591 [pid 5592] <... set_robust_list resumed>) = 0 [pid 5591] set_robust_list(0x555555ab3660, 24 [pid 5590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5588] write(3, "1000", 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5590 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5592 [pid 5592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5591] <... set_robust_list resumed>) = 0 [pid 5590] <... prctl resumed>) = 0 [pid 5588] <... write resumed>) = 4 [pid 5592] <... prctl resumed>) = 0 [pid 5591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5590] setpgid(0, 0 [pid 5588] close(3 [pid 5592] setpgid(0, 0 [pid 5591] <... prctl resumed>) = 0 [pid 5590] <... setpgid resumed>) = 0 [pid 5588] <... close resumed>) = 0 [pid 5592] <... setpgid resumed>) = 0 [pid 5591] setpgid(0, 0 [pid 5588] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5591] <... setpgid resumed>) = 0 [pid 5590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5589] <... bpf resumed>) = 3 [pid 5588] <... bpf resumed>) = 3 [pid 5592] <... openat resumed>) = 3 [pid 5591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5592] write(3, "1000", 4 [pid 5591] <... openat resumed>) = 3 [pid 5590] <... openat resumed>) = 3 [pid 5592] <... write resumed>) = 4 [pid 5589] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5592] close(3 [pid 5591] write(3, "1000", 4 [pid 5590] write(3, "1000", 4 [pid 5588] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5592] <... close resumed>) = 0 [pid 5591] <... write resumed>) = 4 [pid 5590] <... write resumed>) = 4 [pid 5589] <... bpf resumed>) = 4 [pid 5588] <... bpf resumed>) = 4 [pid 5592] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5591] close(3 [pid 5590] close(3 [pid 5589] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5591] <... close resumed>) = 0 [pid 5590] <... close resumed>) = 0 [pid 5591] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5588] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5590] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5592] <... bpf resumed>) = 3 [pid 5591] <... bpf resumed>) = 3 [pid 5589] <... bpf resumed>) = 5 [pid 5588] <... bpf resumed>) = 5 [pid 5588] perf_event_open(NULL, 0, -1, -1, 0 [pid 5592] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5591] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5590] <... bpf resumed>) = 3 [pid 5589] perf_event_open(NULL, 0, -1, -1, 0 [pid 5588] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5592] <... bpf resumed>) = 4 [pid 5591] <... bpf resumed>) = 4 [pid 5590] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5589] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5591] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5590] <... bpf resumed>) = 4 [pid 5589] exit_group(0 [pid 5588] exit_group(0 [pid 5592] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5591] <... bpf resumed>) = 5 [pid 5590] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5589] <... exit_group resumed>) = ? [pid 5588] <... exit_group resumed>) = ? [pid 5592] <... bpf resumed>) = 5 [pid 5591] perf_event_open(NULL, 0, -1, -1, 0 [pid 5590] <... bpf resumed>) = 5 [pid 5589] +++ exited with 0 +++ [pid 5588] +++ exited with 0 +++ [pid 5592] perf_event_open(NULL, 0, -1, -1, 0 [pid 5591] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5590] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5592] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5591] exit_group(0 [pid 5590] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5592] exit_group(0 [pid 5591] <... exit_group resumed>) = ? [pid 5590] exit_group(0 [pid 5592] <... exit_group resumed>) = ? [pid 5591] +++ exited with 0 +++ [pid 5590] <... exit_group resumed>) = ? [pid 5079] <... restart_syscall resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5592] +++ exited with 0 +++ [pid 5590] +++ exited with 0 +++ [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5594 attached ./strace-static-x86_64: Process 5593 attached [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5594] set_robust_list(0x555555ab3660, 24 [pid 5593] set_robust_list(0x555555ab3660, 24 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5594] <... set_robust_list resumed>) = 0 [pid 5593] <... set_robust_list resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5594 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5593 ./strace-static-x86_64: Process 5595 attached [pid 5595] set_robust_list(0x555555ab3660, 24 [pid 5594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5595] <... set_robust_list resumed>) = 0 [pid 5594] <... prctl resumed>) = 0 [pid 5593] <... prctl resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5597 attached ./strace-static-x86_64: Process 5596 attached [pid 5595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5594] setpgid(0, 0 [pid 5593] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5595 [pid 5597] set_robust_list(0x555555ab3660, 24 [pid 5596] set_robust_list(0x555555ab3660, 24 [pid 5595] <... prctl resumed>) = 0 [pid 5594] <... setpgid resumed>) = 0 [pid 5593] <... setpgid resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5597 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5596 [pid 5597] <... set_robust_list resumed>) = 0 [pid 5596] <... set_robust_list resumed>) = 0 [pid 5595] setpgid(0, 0 [pid 5594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5595] <... setpgid resumed>) = 0 [pid 5594] <... openat resumed>) = 3 [pid 5593] <... openat resumed>) = 3 [pid 5597] setpgid(0, 0 [pid 5596] <... prctl resumed>) = 0 [pid 5595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5594] write(3, "1000", 4 [pid 5593] write(3, "1000", 4 [pid 5597] <... setpgid resumed>) = 0 [pid 5596] setpgid(0, 0 [pid 5595] <... openat resumed>) = 3 [pid 5594] <... write resumed>) = 4 [pid 5593] <... write resumed>) = 4 [pid 5596] <... setpgid resumed>) = 0 [pid 5597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5593] close(3 [pid 5597] <... openat resumed>) = 3 [pid 5596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5595] write(3, "1000", 4 [pid 5594] close(3 [pid 5593] <... close resumed>) = 0 [pid 5597] write(3, "1000", 4 [pid 5596] <... openat resumed>) = 3 [pid 5595] <... write resumed>) = 4 [pid 5594] <... close resumed>) = 0 [pid 5597] <... write resumed>) = 4 [pid 5596] write(3, "1000", 4 [pid 5595] close(3 [pid 5594] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5593] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5597] close(3 [pid 5596] <... write resumed>) = 4 [pid 5595] <... close resumed>) = 0 [pid 5594] <... bpf resumed>) = 3 [pid 5593] <... bpf resumed>) = 3 [pid 5597] <... close resumed>) = 0 [pid 5596] close(3 [pid 5595] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5597] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5596] <... close resumed>) = 0 [pid 5593] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5595] <... bpf resumed>) = 3 [pid 5594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5595] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5593] <... bpf resumed>) = 4 [pid 5595] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5597] <... bpf resumed>) = 3 [pid 5596] <... bpf resumed>) = 3 [pid 5594] <... bpf resumed>) = 4 [pid 5593] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5595] <... bpf resumed>) = 5 [pid 5594] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5593] <... bpf resumed>) = 5 [pid 5596] <... bpf resumed>) = 4 [pid 5594] <... bpf resumed>) = 5 [pid 5593] perf_event_open(NULL, 0, -1, -1, 0 [pid 5597] <... bpf resumed>) = 4 [pid 5596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5595] perf_event_open(NULL, 0, -1, -1, 0 [pid 5594] perf_event_open(NULL, 0, -1, -1, 0 [pid 5593] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5597] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5596] <... bpf resumed>) = 5 [pid 5595] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5594] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5593] exit_group(0 [pid 5597] <... bpf resumed>) = 5 [pid 5596] perf_event_open(NULL, 0, -1, -1, 0 [pid 5595] exit_group(0 [pid 5594] exit_group(0 [pid 5597] perf_event_open(NULL, 0, -1, -1, 0 [pid 5596] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5595] <... exit_group resumed>) = ? [pid 5594] <... exit_group resumed>) = ? [pid 5593] <... exit_group resumed>) = ? [pid 5597] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5596] exit_group(0 [pid 5595] +++ exited with 0 +++ [pid 5594] +++ exited with 0 +++ [pid 5597] exit_group(0 [pid 5596] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5597] <... exit_group resumed>) = ? [pid 5593] +++ exited with 0 +++ [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] <... restart_syscall resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5597] +++ exited with 0 +++ [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5596] +++ exited with 0 +++ [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5599 attached ./strace-static-x86_64: Process 5598 attached [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5598 [pid 5598] set_robust_list(0x555555ab3660, 24) = 0 [pid 5598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5599] set_robust_list(0x555555ab3660, 24) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5596, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5600 attached [pid 5599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5598] <... prctl resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5601 attached [pid 5600] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5600 [pid 5598] setpgid(0, 0) = 0 [pid 5601] set_robust_list(0x555555ab3660, 24 [pid 5598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5599 [pid 5601] <... set_robust_list resumed>) = 0 [pid 5600] <... set_robust_list resumed>) = 0 [pid 5599] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5602 ./strace-static-x86_64: Process 5602 attached [pid 5601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5599] setpgid(0, 0 [pid 5598] <... openat resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5601 [pid 5602] set_robust_list(0x555555ab3660, 24 [pid 5601] <... prctl resumed>) = 0 [pid 5600] <... prctl resumed>) = 0 [pid 5599] <... setpgid resumed>) = 0 [pid 5602] <... set_robust_list resumed>) = 0 [pid 5601] setpgid(0, 0 [pid 5600] setpgid(0, 0 [pid 5599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5598] write(3, "1000", 4 [pid 5602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5600] <... setpgid resumed>) = 0 [pid 5598] <... write resumed>) = 4 [pid 5601] <... setpgid resumed>) = 0 [pid 5602] <... prctl resumed>) = 0 [pid 5600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5599] <... openat resumed>) = 3 [pid 5598] close(3 [pid 5602] setpgid(0, 0 [pid 5601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5598] <... close resumed>) = 0 [pid 5602] <... setpgid resumed>) = 0 [pid 5598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5601] <... openat resumed>) = 3 [pid 5600] <... openat resumed>) = 3 [pid 5599] write(3, "1000", 4 [pid 5598] <... bpf resumed>) = 3 [pid 5602] <... openat resumed>) = 3 [pid 5602] write(3, "1000", 4) = 4 [pid 5602] close(3) = 0 [pid 5602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5601] write(3, "1000", 4 [pid 5600] write(3, "1000", 4 [pid 5599] <... write resumed>) = 4 [pid 5598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5601] <... write resumed>) = 4 [pid 5600] <... write resumed>) = 4 [pid 5599] close(3 [pid 5598] <... bpf resumed>) = 4 [pid 5602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5601] close(3 [pid 5600] close(3 [pid 5599] <... close resumed>) = 0 [pid 5602] <... bpf resumed>) = 4 [pid 5601] <... close resumed>) = 0 [pid 5598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5599] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5601] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5600] <... close resumed>) = 0 [pid 5598] <... bpf resumed>) = 5 [pid 5602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5598] perf_event_open(NULL, 0, -1, -1, 0 [pid 5602] <... bpf resumed>) = 5 [pid 5600] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5599] <... bpf resumed>) = 3 [pid 5598] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5602] perf_event_open(NULL, 0, -1, -1, 0 [pid 5598] exit_group(0 [pid 5602] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5598] <... exit_group resumed>) = ? [pid 5602] exit_group(0) = ? [pid 5601] <... bpf resumed>) = 3 [pid 5602] +++ exited with 0 +++ [pid 5600] <... bpf resumed>) = 3 [pid 5599] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5601] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5600] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5601] <... bpf resumed>) = 4 [pid 5598] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5600] <... bpf resumed>) = 4 [pid 5601] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5600] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5599] <... bpf resumed>) = 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5601] <... bpf resumed>) = 5 [pid 5600] <... bpf resumed>) = 5 [pid 5599] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5600] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5599] <... bpf resumed>) = 5 [pid 5601] perf_event_open(NULL, 0, -1, -1, 0 [pid 5600] exit_group(0 [pid 5599] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5600] <... exit_group resumed>) = ? [pid 5599] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5601] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5601] exit_group(0) = ? [pid 5600] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5603 attached [pid 5599] exit_group(0 [pid 5603] set_robust_list(0x555555ab3660, 24 [pid 5599] <... exit_group resumed>) = ? [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5603 ./strace-static-x86_64: Process 5604 attached [pid 5603] <... set_robust_list resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5604] set_robust_list(0x555555ab3660, 24 [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5601] +++ exited with 0 +++ [pid 5604] <... set_robust_list resumed>) = 0 [pid 5603] <... prctl resumed>) = 0 [pid 5599] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5604 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5599, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] setpgid(0, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5604] <... prctl resumed>) = 0 [pid 5603] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5605 attached [pid 5604] setpgid(0, 0 [pid 5605] set_robust_list(0x555555ab3660, 24 [pid 5604] <... setpgid resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... set_robust_list resumed>) = 0 [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... openat resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5605 [pid 5605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] write(3, "1000", 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5607 attached ./strace-static-x86_64: Process 5606 attached [pid 5605] <... prctl resumed>) = 0 [pid 5604] <... openat resumed>) = 3 [pid 5603] <... write resumed>) = 4 [pid 5607] set_robust_list(0x555555ab3660, 24 [pid 5606] set_robust_list(0x555555ab3660, 24 [pid 5605] setpgid(0, 0 [pid 5604] write(3, "1000", 4 [pid 5603] close(3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5606 [pid 5607] <... set_robust_list resumed>) = 0 [pid 5606] <... set_robust_list resumed>) = 0 [pid 5605] <... setpgid resumed>) = 0 [pid 5604] <... write resumed>) = 4 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] <... close resumed>) = 0 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5604] close(3 [pid 5603] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5607 [pid 5607] <... prctl resumed>) = 0 [pid 5606] setpgid(0, 0 [pid 5605] <... openat resumed>) = 3 [pid 5604] <... close resumed>) = 0 [pid 5603] <... bpf resumed>) = 3 [pid 5606] <... setpgid resumed>) = 0 [pid 5605] write(3, "1000", 4 [pid 5604] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5607] setpgid(0, 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... write resumed>) = 4 [pid 5603] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5607] <... setpgid resumed>) = 0 [pid 5606] <... openat resumed>) = 3 [pid 5605] close(3 [pid 5604] <... bpf resumed>) = 3 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5606] write(3, "1000", 4 [pid 5605] <... close resumed>) = 0 [pid 5604] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5603] <... bpf resumed>) = 4 [pid 5607] <... openat resumed>) = 3 [pid 5606] <... write resumed>) = 4 [pid 5605] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5607] write(3, "1000", 4 [pid 5606] close(3 [pid 5603] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5607] <... write resumed>) = 4 [pid 5606] <... close resumed>) = 0 [pid 5605] <... bpf resumed>) = 3 [pid 5604] <... bpf resumed>) = 4 [pid 5607] close(3 [pid 5606] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5605] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5604] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5603] <... bpf resumed>) = 5 [pid 5607] <... close resumed>) = 0 [pid 5606] <... bpf resumed>) = 3 [pid 5607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5604] <... bpf resumed>) = 5 [pid 5606] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5603] perf_event_open(NULL, 0, -1, -1, 0 [pid 5604] perf_event_open(NULL, 0, -1, -1, 0 [pid 5603] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5604] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5603] exit_group(0 [pid 5604] exit_group(0 [pid 5603] <... exit_group resumed>) = ? [pid 5607] <... bpf resumed>) = 3 [pid 5606] <... bpf resumed>) = 4 [pid 5605] <... bpf resumed>) = 4 [pid 5604] <... exit_group resumed>) = ? [pid 5605] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5606] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5605] <... bpf resumed>) = 5 [pid 5603] +++ exited with 0 +++ [pid 5605] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5603, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5605] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5605] exit_group(0) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5608 attached [pid 5608] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5608 [pid 5608] <... set_robust_list resumed>) = 0 [pid 5607] <... bpf resumed>) = 5 [pid 5606] <... bpf resumed>) = 5 [pid 5605] +++ exited with 0 +++ [pid 5604] +++ exited with 0 +++ [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5607] perf_event_open(NULL, 0, -1, -1, 0 [pid 5606] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5604, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5608] <... prctl resumed>) = 0 [pid 5606] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5608] setpgid(0, 0 [pid 5607] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5606] exit_group(0 [pid 5608] <... setpgid resumed>) = 0 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] exit_group(0 [pid 5606] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5607] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5609 attached [pid 5608] <... openat resumed>) = 3 [pid 5608] write(3, "1000", 4 [pid 5609] set_robust_list(0x555555ab3660, 24 [pid 5608] <... write resumed>) = 4 [pid 5608] close(3) = 0 [pid 5608] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5609] <... set_robust_list resumed>) = 0 [pid 5608] <... bpf resumed>) = 3 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5610 attached [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5610 [pid 5610] set_robust_list(0x555555ab3660, 24 [pid 5609] <... prctl resumed>) = 0 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5609 [pid 5609] setpgid(0, 0 [pid 5610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5609] <... setpgid resumed>) = 0 [pid 5608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5610] <... prctl resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5608] <... bpf resumed>) = 4 [pid 5607] +++ exited with 0 +++ [pid 5606] +++ exited with 0 +++ [pid 5610] setpgid(0, 0 [pid 5609] <... openat resumed>) = 3 [pid 5610] <... setpgid resumed>) = 0 [pid 5610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5610] <... openat resumed>) = 3 [pid 5609] write(3, "1000", 4 [pid 5608] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5609] <... write resumed>) = 4 [pid 5609] close(3 [pid 5610] write(3, "1000", 4 [pid 5609] <... close resumed>) = 0 [pid 5610] <... write resumed>) = 4 [pid 5609] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5610] close(3./strace-static-x86_64: Process 5612 attached ./strace-static-x86_64: Process 5611 attached [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5612 [pid 5612] set_robust_list(0x555555ab3660, 24 [pid 5610] <... close resumed>) = 0 [pid 5612] <... set_robust_list resumed>) = 0 [pid 5611] set_robust_list(0x555555ab3660, 24 [pid 5610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5611 [pid 5612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5611] <... set_robust_list resumed>) = 0 [pid 5612] <... prctl resumed>) = 0 [pid 5612] setpgid(0, 0 [pid 5611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5610] <... bpf resumed>) = 3 [pid 5609] <... bpf resumed>) = 3 [pid 5612] <... setpgid resumed>) = 0 [pid 5611] <... prctl resumed>) = 0 [pid 5612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5608] <... bpf resumed>) = 5 [pid 5612] <... openat resumed>) = 3 [pid 5611] setpgid(0, 0 [pid 5610] <... bpf resumed>) = 4 [pid 5609] <... bpf resumed>) = 4 [pid 5608] perf_event_open(NULL, 0, -1, -1, 0 [pid 5611] <... setpgid resumed>) = 0 [pid 5611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5612] write(3, "1000", 4) = 4 [pid 5611] <... openat resumed>) = 3 [pid 5608] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5612] close(3) = 0 [pid 5612] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5611] write(3, "1000", 4 [pid 5608] exit_group(0 [pid 5611] <... write resumed>) = 4 [pid 5610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5608] <... exit_group resumed>) = ? [pid 5612] <... bpf resumed>) = 3 [pid 5611] close(3 [pid 5610] <... bpf resumed>) = 5 [pid 5609] <... bpf resumed>) = 5 [pid 5608] +++ exited with 0 +++ [pid 5611] <... close resumed>) = 0 [pid 5609] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5611] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5610] perf_event_open(NULL, 0, -1, -1, 0 [pid 5609] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5612] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5611] <... bpf resumed>) = 3 [pid 5610] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5609] exit_group(0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5610] exit_group(0 [pid 5609] <... exit_group resumed>) = ? [pid 5612] <... bpf resumed>) = 4 [pid 5610] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5613 attached [pid 5612] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5613] set_robust_list(0x555555ab3660, 24) = 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5611] <... bpf resumed>) = 4 [pid 5609] +++ exited with 0 +++ [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5613 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5613] <... prctl resumed>) = 0 [pid 5611] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5613] setpgid(0, 0 [pid 5611] <... bpf resumed>) = 5 [pid 5613] <... setpgid resumed>) = 0 [pid 5611] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5611] exit_group(0) = ? [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5613] write(3, "1000", 4) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5613] close(3./strace-static-x86_64: Process 5614 attached ) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5614 [pid 5614] set_robust_list(0x555555ab3660, 24 [pid 5613] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5614] <... set_robust_list resumed>) = 0 [pid 5614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5610] +++ exited with 0 +++ [pid 5614] setpgid(0, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5614] <... setpgid resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... restart_syscall resumed>) = 0 [pid 5614] <... openat resumed>) = 3 [pid 5613] <... bpf resumed>) = 3 [pid 5612] <... bpf resumed>) = 5 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5612] perf_event_open(NULL, 0, -1, -1, 0./strace-static-x86_64: Process 5615 attached ) = -1 EFAULT (Bad address) [pid 5614] write(3, "1000", 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5615 [pid 5614] <... write resumed>) = 4 [pid 5612] exit_group(0 [pid 5615] set_robust_list(0x555555ab3660, 24 [pid 5614] close(3 [pid 5612] <... exit_group resumed>) = ? [pid 5615] <... set_robust_list resumed>) = 0 [pid 5614] <... close resumed>) = 0 [pid 5614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5614] <... bpf resumed>) = 3 [pid 5613] <... bpf resumed>) = 4 [pid 5615] <... prctl resumed>) = 0 [pid 5615] setpgid(0, 0) = 0 [pid 5614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5615] <... openat resumed>) = 3 [pid 5614] <... bpf resumed>) = 4 [pid 5611] +++ exited with 0 +++ [pid 5615] write(3, "1000", 4) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5615] close(3 [pid 5612] +++ exited with 0 +++ [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5616 attached [pid 5615] <... close resumed>) = 0 [pid 5616] set_robust_list(0x555555ab3660, 24 [pid 5615] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5616 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5616] <... set_robust_list resumed>) = 0 [pid 5615] <... bpf resumed>) = 3 [pid 5616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5615] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5616] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5617 attached [pid 5616] setpgid(0, 0 [pid 5615] <... bpf resumed>) = 4 [pid 5617] set_robust_list(0x555555ab3660, 24 [pid 5615] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5616] <... setpgid resumed>) = 0 [pid 5617] <... set_robust_list resumed>) = 0 [pid 5616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5617] setpgid(0, 0) = 0 [pid 5616] <... openat resumed>) = 3 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] write(3, "1000", 4) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5617 [pid 5617] <... openat resumed>) = 3 [pid 5616] close(3 [pid 5617] write(3, "1000", 4 [pid 5616] <... close resumed>) = 0 [pid 5617] <... write resumed>) = 4 [pid 5616] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5617] close(3) = 0 [pid 5617] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5616] <... bpf resumed>) = 3 [pid 5615] <... bpf resumed>) = 5 [pid 5614] <... bpf resumed>) = 5 [pid 5613] <... bpf resumed>) = 5 [pid 5615] perf_event_open(NULL, 0, -1, -1, 0 [pid 5614] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5617] <... bpf resumed>) = 3 [pid 5615] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5615] exit_group(0 [pid 5613] perf_event_open(NULL, 0, -1, -1, 0 [pid 5615] <... exit_group resumed>) = ? [pid 5613] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5614] exit_group(0) = ? [pid 5615] +++ exited with 0 +++ [pid 5613] exit_group(0) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5617] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5616] <... bpf resumed>) = 4 [pid 5616] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5618 attached [pid 5618] set_robust_list(0x555555ab3660, 24) = 0 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5618 [pid 5618] setpgid(0, 0) = 0 [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5618] write(3, "1000", 4) = 4 [pid 5618] close(3) = 0 [pid 5618] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5617] <... bpf resumed>) = 5 [pid 5613] +++ exited with 0 +++ [pid 5618] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5617] perf_event_open(NULL, 0, -1, -1, 0 [pid 5618] <... bpf resumed>) = 4 [pid 5617] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5618] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5617] exit_group(0) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5619 attached [pid 5619] set_robust_list(0x555555ab3660, 24) = 0 [pid 5619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5619] setpgid(0, 0) = 0 [pid 5619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5619] write(3, "1000", 4) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5619 [pid 5619] close(3) = 0 [pid 5619] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5614] +++ exited with 0 +++ [pid 5616] <... bpf resumed>) = 5 [pid 5616] perf_event_open(NULL, 0, -1, -1, 0 [pid 5618] <... bpf resumed>) = 5 [pid 5617] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5619] <... bpf resumed>) = 3 [pid 5618] perf_event_open(NULL, 0, -1, -1, 0 [pid 5616] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5618] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5616] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5620 attached [pid 5619] <... bpf resumed>) = 4 [pid 5618] exit_group(0 [pid 5616] <... exit_group resumed>) = ? [pid 5620] set_robust_list(0x555555ab3660, 24) = 0 [pid 5620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5620] setpgid(0, 0 [pid 5618] <... exit_group resumed>) = ? [pid 5620] <... setpgid resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5619] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5620] write(3, "1000", 4 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5620 [pid 5620] <... write resumed>) = 4 [pid 5620] close(3./strace-static-x86_64: Process 5621 attached ) = 0 [pid 5621] set_robust_list(0x555555ab3660, 24 [pid 5620] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5621] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5621 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5621] setpgid(0, 0 [pid 5620] <... bpf resumed>) = 3 [pid 5621] <... setpgid resumed>) = 0 [pid 5620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5620] <... bpf resumed>) = 4 [pid 5621] <... openat resumed>) = 3 [pid 5620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5621] write(3, "1000", 4) = 4 [pid 5621] close(3) = 0 [pid 5621] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5619] <... bpf resumed>) = 5 [pid 5619] perf_event_open(NULL, 0, -1, -1, 0 [pid 5616] +++ exited with 0 +++ [pid 5619] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5621] <... bpf resumed>) = 3 [pid 5619] exit_group(0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5619] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5622 attached [pid 5622] set_robust_list(0x555555ab3660, 24 [pid 5621] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5622 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5622] setpgid(0, 0) = 0 [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5621] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5622] <... openat resumed>) = 3 [pid 5620] <... bpf resumed>) = 5 [pid 5618] +++ exited with 0 +++ [pid 5622] write(3, "1000", 4 [pid 5620] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5618, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5622] <... write resumed>) = 4 [pid 5620] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5622] close(3 [pid 5620] exit_group(0 [pid 5622] <... close resumed>) = 0 [pid 5620] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5623 attached ) = 3 [pid 5623] set_robust_list(0x555555ab3660, 24) = 0 [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5623] setpgid(0, 0) = 0 [pid 5623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5623 [pid 5623] write(3, "1000", 4) = 4 [pid 5623] close(3 [pid 5622] <... bpf resumed>) = 4 [pid 5623] <... close resumed>) = 0 [pid 5623] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5621] <... bpf resumed>) = 5 [pid 5619] +++ exited with 0 +++ [pid 5623] <... bpf resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5623] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5621] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5621] exit_group(0) = ? [pid 5623] <... bpf resumed>) = 4 [pid 5623] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5624 attached , child_tidptr=0x555555ab3650) = 5624 [pid 5624] set_robust_list(0x555555ab3660, 24) = 0 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5624] setpgid(0, 0) = 0 [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5624] write(3, "1000", 4) = 4 [pid 5624] close(3) = 0 [pid 5624] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5624] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5622] <... bpf resumed>) = 5 [pid 5620] +++ exited with 0 +++ [pid 5622] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5622] exit_group(0) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5625 attached [pid 5625] set_robust_list(0x555555ab3660, 24) = 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5625] setpgid(0, 0) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5625 [pid 5625] <... openat resumed>) = 3 [pid 5625] write(3, "1000", 4) = 4 [pid 5625] close(3) = 0 [pid 5625] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5624] <... bpf resumed>) = 5 [pid 5623] <... bpf resumed>) = 5 [pid 5622] +++ exited with 0 +++ [pid 5621] +++ exited with 0 +++ [pid 5624] perf_event_open(NULL, 0, -1, -1, 0 [pid 5625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5624] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5623] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5625] <... bpf resumed>) = 4 [pid 5624] exit_group(0 [pid 5623] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5625] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5624] <... exit_group resumed>) = ? [pid 5623] exit_group(0 [pid 5625] <... bpf resumed>) = 5 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5625] perf_event_open(NULL, 0, -1, -1, 0 [pid 5624] +++ exited with 0 +++ [pid 5623] <... exit_group resumed>) = ? [pid 5080] <... restart_syscall resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5626 attached [pid 5625] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5627 attached [pid 5626] set_robust_list(0x555555ab3660, 24 [pid 5625] exit_group(0 [pid 5627] set_robust_list(0x555555ab3660, 24 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5627] <... set_robust_list resumed>) = 0 [pid 5625] <... exit_group resumed>) = ? [pid 5627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5626 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5628 attached [pid 5627] <... prctl resumed>) = 0 [pid 5626] <... prctl resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5627 [pid 5627] setpgid(0, 0 [pid 5626] setpgid(0, 0 [pid 5628] set_robust_list(0x555555ab3660, 24 [pid 5627] <... setpgid resumed>) = 0 [pid 5626] <... setpgid resumed>) = 0 [pid 5625] +++ exited with 0 +++ [pid 5623] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5628] <... set_robust_list resumed>) = 0 [pid 5627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5626] <... openat resumed>) = 3 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5628 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5628] <... prctl resumed>) = 0 [pid 5627] <... openat resumed>) = 3 [pid 5626] write(3, "1000", 4 [pid 5628] setpgid(0, 0 [pid 5627] write(3, "1000", 4 [pid 5626] <... write resumed>) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5629 attached [pid 5628] <... setpgid resumed>) = 0 [pid 5627] <... write resumed>) = 4 [pid 5626] close(3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5629] set_robust_list(0x555555ab3660, 24 [pid 5628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] close(3 [pid 5626] <... close resumed>) = 0 [pid 5629] <... set_robust_list resumed>) = 0 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5628] <... openat resumed>) = 3 [pid 5627] <... close resumed>) = 0 [pid 5626] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5630 attached [pid 5629] <... prctl resumed>) = 0 [pid 5628] write(3, "1000", 4 [pid 5627] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5629 [pid 5630] set_robust_list(0x555555ab3660, 24 [pid 5629] setpgid(0, 0 [pid 5628] <... write resumed>) = 4 [pid 5626] <... bpf resumed>) = 3 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5628] close(3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5630 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5629] <... setpgid resumed>) = 0 [pid 5628] <... close resumed>) = 0 [pid 5627] <... bpf resumed>) = 3 [pid 5626] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5630] <... prctl resumed>) = 0 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5627] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5630] setpgid(0, 0 [pid 5629] <... openat resumed>) = 3 [pid 5626] <... bpf resumed>) = 4 [pid 5627] <... bpf resumed>) = 4 [pid 5630] <... setpgid resumed>) = 0 [pid 5629] write(3, "1000", 4 [pid 5628] <... bpf resumed>) = 3 [pid 5627] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5626] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5629] <... write resumed>) = 4 [pid 5628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5626] <... bpf resumed>) = 5 [pid 5630] <... openat resumed>) = 3 [pid 5629] close(3 [pid 5627] <... bpf resumed>) = 5 [pid 5626] perf_event_open(NULL, 0, -1, -1, 0 [pid 5630] write(3, "1000", 4 [pid 5629] <... close resumed>) = 0 [pid 5627] perf_event_open(NULL, 0, -1, -1, 0 [pid 5626] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5630] <... write resumed>) = 4 [pid 5629] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5627] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5626] exit_group(0 [pid 5630] close(3 [pid 5627] exit_group(0 [pid 5626] <... exit_group resumed>) = ? [pid 5629] <... bpf resumed>) = 3 [pid 5628] <... bpf resumed>) = 4 [pid 5630] <... close resumed>) = 0 [pid 5629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5627] <... exit_group resumed>) = ? [pid 5630] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5629] <... bpf resumed>) = 4 [pid 5626] +++ exited with 0 +++ [pid 5630] <... bpf resumed>) = 3 [pid 5627] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5629] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5630] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5632 attached ./strace-static-x86_64: Process 5631 attached [pid 5632] set_robust_list(0x555555ab3660, 24 [pid 5631] set_robust_list(0x555555ab3660, 24) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5632 [pid 5631] <... prctl resumed>) = 0 [pid 5631] setpgid(0, 0 [pid 5632] <... prctl resumed>) = 0 [pid 5631] <... setpgid resumed>) = 0 [pid 5632] setpgid(0, 0) = 0 [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5631 [pid 5632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5630] <... bpf resumed>) = 4 [pid 5632] <... openat resumed>) = 3 [pid 5631] <... openat resumed>) = 3 [pid 5630] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5629] <... bpf resumed>) = 5 [pid 5628] <... bpf resumed>) = 5 [pid 5632] write(3, "1000", 4 [pid 5631] write(3, "1000", 4 [pid 5628] perf_event_open(NULL, 0, -1, -1, 0 [pid 5632] <... write resumed>) = 4 [pid 5631] <... write resumed>) = 4 [pid 5630] <... bpf resumed>) = 5 [pid 5629] perf_event_open(NULL, 0, -1, -1, 0 [pid 5628] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5632] close(3 [pid 5631] close(3 [pid 5628] exit_group(0 [pid 5632] <... close resumed>) = 0 [pid 5631] <... close resumed>) = 0 [pid 5630] perf_event_open(NULL, 0, -1, -1, 0 [pid 5629] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5632] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5630] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5628] <... exit_group resumed>) = ? [pid 5630] exit_group(0 [pid 5629] exit_group(0 [pid 5632] <... bpf resumed>) = 3 [pid 5630] <... exit_group resumed>) = ? [pid 5629] <... exit_group resumed>) = ? [pid 5631] <... bpf resumed>) = 3 [pid 5629] +++ exited with 0 +++ [pid 5632] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5631] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5633 attached [pid 5632] <... bpf resumed>) = 4 [pid 5631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5632] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5633] set_robust_list(0x555555ab3660, 24) = 0 [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5633 [pid 5633] setpgid(0, 0) = 0 [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5633] write(3, "1000", 4) = 4 [pid 5633] close(3) = 0 [pid 5633] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5630] +++ exited with 0 +++ [pid 5628] +++ exited with 0 +++ [pid 5633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5633] <... bpf resumed>) = 4 [pid 5633] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5634 attached [pid 5634] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5635 attached ) = 0 [pid 5635] set_robust_list(0x555555ab3660, 24 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] <... prctl resumed>) = 0 [pid 5635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5634] setpgid(0, 0 [pid 5635] setpgid(0, 0 [pid 5634] <... setpgid resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5634 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5635 [pid 5635] <... setpgid resumed>) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5634] <... openat resumed>) = 3 [pid 5635] write(3, "1000", 4 [pid 5634] write(3, "1000", 4 [pid 5635] <... write resumed>) = 4 [pid 5634] <... write resumed>) = 4 [pid 5635] close(3 [pid 5634] close(3 [pid 5635] <... close resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 5635] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5634] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5635] <... bpf resumed>) = 3 [pid 5632] <... bpf resumed>) = 5 [pid 5635] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5634] <... bpf resumed>) = 3 [pid 5633] <... bpf resumed>) = 5 [pid 5631] <... bpf resumed>) = 5 [pid 5635] <... bpf resumed>) = 4 [pid 5634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5633] perf_event_open(NULL, 0, -1, -1, 0 [pid 5632] perf_event_open(NULL, 0, -1, -1, 0 [pid 5631] perf_event_open(NULL, 0, -1, -1, 0 [pid 5635] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5633] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5634] <... bpf resumed>) = 4 [pid 5632] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5631] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5635] <... bpf resumed>) = 5 [pid 5634] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5633] exit_group(0 [pid 5632] exit_group(0 [pid 5631] exit_group(0 [pid 5635] perf_event_open(NULL, 0, -1, -1, 0 [pid 5634] <... bpf resumed>) = 5 [pid 5633] <... exit_group resumed>) = ? [pid 5632] <... exit_group resumed>) = ? [pid 5631] <... exit_group resumed>) = ? [pid 5635] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5634] perf_event_open(NULL, 0, -1, -1, 0 [pid 5633] +++ exited with 0 +++ [pid 5635] exit_group(0 [pid 5634] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5632] +++ exited with 0 +++ [pid 5635] <... exit_group resumed>) = ? [pid 5634] exit_group(0 [pid 5631] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5634] <... exit_group resumed>) = ? [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] <... restart_syscall resumed>) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] <... restart_syscall resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5637 attached ./strace-static-x86_64: Process 5636 attached [pid 5637] set_robust_list(0x555555ab3660, 24 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] set_robust_list(0x555555ab3660, 24 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5637 [pid 5637] <... prctl resumed>) = 0 [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5636 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5638 attached [pid 5637] setpgid(0, 0 [pid 5636] <... prctl resumed>) = 0 [pid 5634] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5639 attached [pid 5638] set_robust_list(0x555555ab3660, 24 [pid 5637] <... setpgid resumed>) = 0 [pid 5636] setpgid(0, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5638 [pid 5638] <... set_robust_list resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] <... setpgid resumed>) = 0 [pid 5638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] set_robust_list(0x555555ab3660, 24 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... prctl resumed>) = 0 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5638] setpgid(0, 0 [pid 5637] <... openat resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5639 [pid 5638] <... setpgid resumed>) = 0 [pid 5639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] write(3, "1000", 4 [pid 5636] <... openat resumed>) = 3 [pid 5639] <... prctl resumed>) = 0 [pid 5637] <... write resumed>) = 4 [pid 5636] write(3, "1000", 4 [pid 5639] setpgid(0, 0 [pid 5637] close(3 [pid 5636] <... write resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5639] <... setpgid resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] close(3./strace-static-x86_64: Process 5640 attached [pid 5638] <... openat resumed>) = 3 [pid 5638] write(3, "1000", 4 [pid 5639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... write resumed>) = 4 [pid 5638] close(3 [pid 5637] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5640] set_robust_list(0x555555ab3660, 24 [pid 5636] <... close resumed>) = 0 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] write(3, "1000", 4 [pid 5638] <... close resumed>) = 0 [pid 5637] <... bpf resumed>) = 3 [pid 5636] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5640] <... prctl resumed>) = 0 [pid 5639] <... write resumed>) = 4 [pid 5638] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5640 [pid 5640] setpgid(0, 0 [pid 5639] close(3 [pid 5638] <... bpf resumed>) = 3 [pid 5637] <... bpf resumed>) = 4 [pid 5636] <... bpf resumed>) = 3 [pid 5640] <... setpgid resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5637] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5636] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... bpf resumed>) = 3 [pid 5638] <... bpf resumed>) = 4 [pid 5637] <... bpf resumed>) = 5 [pid 5636] <... bpf resumed>) = 4 [pid 5640] write(3, "1000", 4) = 4 [pid 5639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5640] close(3 [pid 5638] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5637] perf_event_open(NULL, 0, -1, -1, 0 [pid 5640] <... close resumed>) = 0 [pid 5638] <... bpf resumed>) = 5 [pid 5637] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5636] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5640] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5639] <... bpf resumed>) = 4 [pid 5637] exit_group(0 [pid 5639] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5638] perf_event_open(NULL, 0, -1, -1, 0 [pid 5637] <... exit_group resumed>) = ? [pid 5636] <... bpf resumed>) = 5 [pid 5640] <... bpf resumed>) = 3 [pid 5639] <... bpf resumed>) = 5 [pid 5638] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5637] +++ exited with 0 +++ [pid 5636] perf_event_open(NULL, 0, -1, -1, 0 [pid 5639] perf_event_open(NULL, 0, -1, -1, 0 [pid 5638] exit_group(0 [pid 5636] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5640] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5639] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5638] <... exit_group resumed>) = ? [pid 5636] exit_group(0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5640] <... bpf resumed>) = 4 [pid 5639] exit_group(0 [pid 5638] +++ exited with 0 +++ [pid 5636] <... exit_group resumed>) = ? [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5639] <... exit_group resumed>) = ? [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5640] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5641 attached [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5641 [pid 5641] set_robust_list(0x555555ab3660, 24) = 0 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5641] setpgid(0, 0./strace-static-x86_64: Process 5642 attached ) = 0 [pid 5639] +++ exited with 0 +++ [pid 5636] +++ exited with 0 +++ [pid 5642] set_robust_list(0x555555ab3660, 24 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5642] <... set_robust_list resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5642 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5642] <... prctl resumed>) = 0 [pid 5641] write(3, "1000", 4) = 4 [pid 5641] close(3) = 0 [pid 5641] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5642] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5644 attached ./strace-static-x86_64: Process 5643 attached [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5641] <... bpf resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5643 [pid 5644] set_robust_list(0x555555ab3660, 24 [pid 5643] set_robust_list(0x555555ab3660, 24 [pid 5642] <... openat resumed>) = 3 [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] <... prctl resumed>) = 0 [pid 5642] write(3, "1000", 4 [pid 5644] <... prctl resumed>) = 0 [pid 5643] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5644 [pid 5642] <... write resumed>) = 4 [pid 5642] close(3 [pid 5644] setpgid(0, 0 [pid 5643] <... setpgid resumed>) = 0 [pid 5642] <... close resumed>) = 0 [pid 5641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5644] <... setpgid resumed>) = 0 [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5642] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5641] <... bpf resumed>) = 4 [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] <... bpf resumed>) = 5 [pid 5640] perf_event_open(NULL, 0, -1, -1, 0 [pid 5643] <... openat resumed>) = 3 [pid 5640] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5644] <... openat resumed>) = 3 [pid 5643] write(3, "1000", 4 [pid 5641] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5640] exit_group(0 [pid 5644] write(3, "1000", 4 [pid 5643] <... write resumed>) = 4 [pid 5642] <... bpf resumed>) = 3 [pid 5641] <... bpf resumed>) = 5 [pid 5644] <... write resumed>) = 4 [pid 5643] close(3 [pid 5640] <... exit_group resumed>) = ? [pid 5644] close(3 [pid 5643] <... close resumed>) = 0 [pid 5642] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5641] perf_event_open(NULL, 0, -1, -1, 0 [pid 5644] <... close resumed>) = 0 [pid 5643] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5644] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5642] <... bpf resumed>) = 4 [pid 5641] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5644] <... bpf resumed>) = 3 [pid 5641] exit_group(0) = ? [pid 5643] <... bpf resumed>) = 3 [pid 5642] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5644] <... bpf resumed>) = 4 [pid 5643] <... bpf resumed>) = 4 [pid 5644] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5642] <... bpf resumed>) = 5 [pid 5640] +++ exited with 0 +++ [pid 5642] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5642] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5642] exit_group(0) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5645 attached [pid 5645] set_robust_list(0x555555ab3660, 24) = 0 [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5645] setpgid(0, 0) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5645 [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5641] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5645] write(3, "1000", 4 [pid 5644] <... bpf resumed>) = 5 [pid 5645] <... write resumed>) = 4 [pid 5645] close(3 [pid 5644] perf_event_open(NULL, 0, -1, -1, 0 [pid 5643] <... bpf resumed>) = 5 [pid 5643] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5643] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5646 attached [pid 5645] <... close resumed>) = 0 [pid 5644] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5643] exit_group(0 [pid 5645] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5643] <... exit_group resumed>) = ? [pid 5644] exit_group(0 [pid 5643] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5646 [pid 5646] set_robust_list(0x555555ab3660, 24 [pid 5645] <... bpf resumed>) = 3 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5644] <... exit_group resumed>) = ? [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5645] <... bpf resumed>) = 4 [pid 5645] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5646] setpgid(0, 0 [pid 5644] +++ exited with 0 +++ [pid 5642] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5646] <... setpgid resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5649 attached ./strace-static-x86_64: Process 5647 attached [pid 5646] <... openat resumed>) = 3 [pid 5647] set_robust_list(0x555555ab3660, 24 [pid 5646] write(3, "1000", 4./strace-static-x86_64: Process 5648 attached [pid 5649] set_robust_list(0x555555ab3660, 24 [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] <... write resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5647 [pid 5648] set_robust_list(0x555555ab3660, 24 [pid 5646] close(3 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5646] <... close resumed>) = 0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5646] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5649 [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5646] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5648 [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5647] <... prctl resumed>) = 0 [pid 5648] <... prctl resumed>) = 0 [pid 5648] setpgid(0, 0 [pid 5647] setpgid(0, 0 [pid 5649] <... prctl resumed>) = 0 [pid 5648] <... setpgid resumed>) = 0 [pid 5647] <... setpgid resumed>) = 0 [pid 5649] setpgid(0, 0 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5649] <... setpgid resumed>) = 0 [pid 5648] <... openat resumed>) = 3 [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5648] write(3, "1000", 4 [pid 5649] <... openat resumed>) = 3 [pid 5648] <... write resumed>) = 4 [pid 5648] close(3 [pid 5647] <... openat resumed>) = 3 [pid 5645] <... bpf resumed>) = 5 [pid 5646] <... bpf resumed>) = 4 [pid 5649] write(3, "1000", 4 [pid 5648] <... close resumed>) = 0 [pid 5647] write(3, "1000", 4 [pid 5649] <... write resumed>) = 4 [pid 5647] <... write resumed>) = 4 [pid 5646] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5649] close(3 [pid 5647] close(3 [pid 5648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5647] <... close resumed>) = 0 [pid 5645] perf_event_open(NULL, 0, -1, -1, 0 [pid 5649] <... close resumed>) = 0 [pid 5648] <... bpf resumed>) = 3 [pid 5647] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5646] <... bpf resumed>) = 5 [pid 5645] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5649] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5645] exit_group(0 [pid 5647] <... bpf resumed>) = 3 [pid 5646] perf_event_open(NULL, 0, -1, -1, 0 [pid 5648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5646] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5645] <... exit_group resumed>) = ? [pid 5648] <... bpf resumed>) = 4 [pid 5646] exit_group(0 [pid 5649] <... bpf resumed>) = 3 [pid 5649] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5646] <... exit_group resumed>) = ? [pid 5648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5647] <... bpf resumed>) = 4 [pid 5648] <... bpf resumed>) = 5 [pid 5647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5645] +++ exited with 0 +++ [pid 5648] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5649] <... bpf resumed>) = 4 [pid 5648] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5648] exit_group(0) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5649] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5650 attached [pid 5650] set_robust_list(0x555555ab3660, 24) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5650] setpgid(0, 0) = 0 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5650 [pid 5650] <... openat resumed>) = 3 [pid 5650] write(3, "1000", 4) = 4 [pid 5650] close(3) = 0 [pid 5650] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5650] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5650] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5647] <... bpf resumed>) = 5 [pid 5646] +++ exited with 0 +++ [pid 5647] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5647] exit_group(0) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5651 attached [pid 5651] set_robust_list(0x555555ab3660, 24) = 0 [pid 5651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5651] setpgid(0, 0) = 0 [pid 5650] <... bpf resumed>) = 5 [pid 5649] <... bpf resumed>) = 5 [pid 5648] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5651 [pid 5650] perf_event_open(NULL, 0, -1, -1, 0 [pid 5651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5650] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5649] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5651] <... openat resumed>) = 3 [pid 5650] exit_group(0 [pid 5649] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5647] +++ exited with 0 +++ [pid 5650] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5647, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5649] exit_group(0 [pid 5651] write(3, "1000", 4 [pid 5649] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5651] <... write resumed>) = 4 [pid 5651] close(3./strace-static-x86_64: Process 5652 attached ) = 0 [pid 5651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5652] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5653 attached ) = 0 [pid 5651] <... bpf resumed>) = 3 [pid 5653] set_robust_list(0x555555ab3660, 24 [pid 5652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5652 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5653 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5652] <... prctl resumed>) = 0 [pid 5652] setpgid(0, 0) = 0 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5653] setpgid(0, 0 [pid 5652] <... openat resumed>) = 3 [pid 5650] +++ exited with 0 +++ [pid 5649] +++ exited with 0 +++ [pid 5652] write(3, "1000", 4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5652] <... write resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5652] close(3) = 0 [pid 5652] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5653] <... setpgid resumed>) = 0 [pid 5651] <... bpf resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5652] <... bpf resumed>) = 3 [pid 5651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5653] <... openat resumed>) = 3 [pid 5652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5653] write(3, "1000", 4./strace-static-x86_64: Process 5655 attached [pid 5655] set_robust_list(0x555555ab3660, 24 [pid 5651] <... bpf resumed>) = 5 [pid 5653] <... write resumed>) = 4 ./strace-static-x86_64: Process 5654 attached [pid 5653] close(3 [pid 5651] perf_event_open(NULL, 0, -1, -1, 0 [pid 5654] set_robust_list(0x555555ab3660, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5654 [pid 5653] <... close resumed>) = 0 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5651] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5655] <... set_robust_list resumed>) = 0 [pid 5653] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5652] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5655 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5651] exit_group(0 [pid 5655] <... prctl resumed>) = 0 [pid 5652] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5651] <... exit_group resumed>) = ? [pid 5655] setpgid(0, 0) = 0 [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5655] write(3, "1000", 4 [pid 5651] +++ exited with 0 +++ [pid 5655] <... write resumed>) = 4 [pid 5655] close(3) = 0 [pid 5655] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5654] <... prctl resumed>) = 0 [pid 5653] <... bpf resumed>) = 3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5654] setpgid(0, 0 [pid 5653] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5654] <... setpgid resumed>) = 0 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5656 attached [pid 5656] set_robust_list(0x555555ab3660, 24) = 0 [pid 5656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5652] <... bpf resumed>) = 5 [pid 5656] <... prctl resumed>) = 0 [pid 5656] setpgid(0, 0) = 0 [pid 5655] <... bpf resumed>) = 4 [pid 5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5655] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5654] write(3, "1000", 4 [pid 5653] <... bpf resumed>) = 4 [pid 5652] perf_event_open(NULL, 0, -1, -1, 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5656 [pid 5654] <... write resumed>) = 4 [pid 5654] close(3) = 0 [pid 5652] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5656] <... openat resumed>) = 3 [pid 5655] <... bpf resumed>) = 5 [pid 5654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5653] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5652] exit_group(0 [pid 5656] write(3, "1000", 4 [pid 5655] perf_event_open(NULL, 0, -1, -1, 0 [pid 5654] <... bpf resumed>) = 3 [pid 5653] <... bpf resumed>) = 5 [pid 5652] <... exit_group resumed>) = ? [pid 5656] <... write resumed>) = 4 [pid 5655] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5656] close(3) = 0 [pid 5655] exit_group(0) = ? [pid 5656] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5655] +++ exited with 0 +++ [pid 5653] perf_event_open(NULL, 0, -1, -1, 0 [pid 5656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5653] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5656] <... bpf resumed>) = 4 [pid 5654] <... bpf resumed>) = 4 [pid 5653] exit_group(0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5656] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5653] <... exit_group resumed>) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5657 attached [pid 5657] set_robust_list(0x555555ab3660, 24 [pid 5654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5657 [pid 5657] <... prctl resumed>) = 0 [pid 5656] <... bpf resumed>) = 5 [pid 5652] +++ exited with 0 +++ [pid 5657] setpgid(0, 0 [pid 5656] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5657] <... setpgid resumed>) = 0 [pid 5656] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5656] exit_group(0 [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5656] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5657] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5658 attached [pid 5658] set_robust_list(0x555555ab3660, 24 [pid 5657] write(3, "1000", 4) = 4 [pid 5657] close(3 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5657] <... close resumed>) = 0 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5657] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5658] <... prctl resumed>) = 0 [pid 5658] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5658 [pid 5658] <... setpgid resumed>) = 0 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5657] <... bpf resumed>) = 3 [pid 5658] <... openat resumed>) = 3 [pid 5657] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5658] write(3, "1000", 4) = 4 [pid 5658] close(3) = 0 [pid 5658] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5657] <... bpf resumed>) = 4 [pid 5658] <... bpf resumed>) = 3 [pid 5657] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5654] <... bpf resumed>) = 5 [pid 5653] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5658] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5654] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5658] <... bpf resumed>) = 4 [pid 5654] exit_group(0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5659 attached [pid 5654] <... exit_group resumed>) = ? [pid 5659] set_robust_list(0x555555ab3660, 24 [pid 5658] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5659 [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5657] <... bpf resumed>) = 5 [pid 5656] +++ exited with 0 +++ [pid 5659] setpgid(0, 0 [pid 5657] perf_event_open(NULL, 0, -1, -1, 0 [pid 5659] <... setpgid resumed>) = 0 [pid 5657] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5656, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5660 attached [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5657] exit_group(0 [pid 5660] set_robust_list(0x555555ab3660, 24) = 0 [pid 5657] <... exit_group resumed>) = ? [pid 5659] <... openat resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5660 [pid 5660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5659] write(3, "1000", 4 [pid 5660] <... prctl resumed>) = 0 [pid 5659] <... write resumed>) = 4 [pid 5660] setpgid(0, 0 [pid 5659] close(3 [pid 5660] <... setpgid resumed>) = 0 [pid 5659] <... close resumed>) = 0 [pid 5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5660] <... openat resumed>) = 3 [pid 5660] write(3, "1000", 4) = 4 [pid 5660] close(3) = 0 [pid 5660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5659] <... bpf resumed>) = 3 [pid 5660] <... bpf resumed>) = 3 [pid 5659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5659] <... bpf resumed>) = 4 [pid 5658] <... bpf resumed>) = 5 [pid 5654] +++ exited with 0 +++ [pid 5660] <... bpf resumed>) = 4 [pid 5659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5658] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5654, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5658] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5658] exit_group(0) = ? [pid 5660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5661 attached , child_tidptr=0x555555ab3650) = 5661 [pid 5661] set_robust_list(0x555555ab3660, 24) = 0 [pid 5661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5661] setpgid(0, 0) = 0 [pid 5661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5661] write(3, "1000", 4 [pid 5659] <... bpf resumed>) = 5 [pid 5657] +++ exited with 0 +++ [pid 5661] <... write resumed>) = 4 [pid 5659] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5661] close(3 [pid 5659] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5661] <... close resumed>) = 0 [pid 5659] exit_group(0 [pid 5661] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5659] <... exit_group resumed>) = ? [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5662 attached [pid 5662] set_robust_list(0x555555ab3660, 24) = 0 [pid 5661] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5661] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5662 [pid 5662] <... prctl resumed>) = 0 [pid 5662] setpgid(0, 0) = 0 [pid 5661] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5660] <... bpf resumed>) = 5 [pid 5658] +++ exited with 0 +++ [pid 5662] <... openat resumed>) = 3 [pid 5660] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5662] write(3, "1000", 4 [pid 5660] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5662] <... write resumed>) = 4 [pid 5660] exit_group(0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5660] <... exit_group resumed>) = ? [pid 5662] close(3) = 0 [pid 5662] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 ./strace-static-x86_64: Process 5663 attached [pid 5662] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5663 [pid 5663] set_robust_list(0x555555ab3660, 24 [pid 5661] <... bpf resumed>) = 5 [pid 5659] +++ exited with 0 +++ [pid 5663] <... set_robust_list resumed>) = 0 [pid 5663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] <... bpf resumed>) = 4 [pid 5661] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5663] <... prctl resumed>) = 0 [pid 5663] setpgid(0, 0) = 0 [pid 5663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5661] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5663] <... openat resumed>) = 3 [pid 5661] exit_group(0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5663] write(3, "1000", 4./strace-static-x86_64: Process 5664 attached ) = 4 [pid 5661] <... exit_group resumed>) = ? [pid 5664] set_robust_list(0x555555ab3660, 24 [pid 5663] close(3 [pid 5662] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5663] <... close resumed>) = 0 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5663] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5664] setpgid(0, 0) = 0 [pid 5663] <... bpf resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5664 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5663] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5664] <... openat resumed>) = 3 [pid 5660] +++ exited with 0 +++ [pid 5664] write(3, "1000", 4) = 4 [pid 5661] +++ exited with 0 +++ [pid 5664] close(3) = 0 [pid 5663] <... bpf resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5664] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5663] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5664] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5665 attached [pid 5665] set_robust_list(0x555555ab3660, 24 [pid 5664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5665] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5666 attached [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5664] <... bpf resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5665 [pid 5666] set_robust_list(0x555555ab3660, 24 [pid 5665] <... prctl resumed>) = 0 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5664] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5666 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5665] setpgid(0, 0 [pid 5666] setpgid(0, 0 [pid 5665] <... setpgid resumed>) = 0 [pid 5666] <... setpgid resumed>) = 0 [pid 5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5664] <... bpf resumed>) = 5 [pid 5663] <... bpf resumed>) = 5 [pid 5662] <... bpf resumed>) = 5 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5664] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5664] exit_group(0 [pid 5662] perf_event_open(NULL, 0, -1, -1, 0 [pid 5666] <... openat resumed>) = 3 [pid 5666] write(3, "1000", 4 [pid 5665] <... openat resumed>) = 3 [pid 5664] <... exit_group resumed>) = ? [pid 5662] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5666] <... write resumed>) = 4 [pid 5662] exit_group(0 [pid 5666] close(3 [pid 5665] write(3, "1000", 4 [pid 5666] <... close resumed>) = 0 [pid 5665] <... write resumed>) = 4 [pid 5666] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5665] close(3 [pid 5663] perf_event_open(NULL, 0, -1, -1, 0 [pid 5662] <... exit_group resumed>) = ? [pid 5665] <... close resumed>) = 0 [pid 5664] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5665] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5666] <... bpf resumed>) = 3 [pid 5663] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] <... restart_syscall resumed>) = 0 [pid 5663] exit_group(0) = ? [pid 5666] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5666] <... bpf resumed>) = 4 [pid 5665] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5667 attached [pid 5666] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5665] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5667] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5667 [pid 5667] <... set_robust_list resumed>) = 0 [pid 5665] <... bpf resumed>) = 4 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5665] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5667] <... prctl resumed>) = 0 [pid 5667] setpgid(0, 0) = 0 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5667] write(3, "1000", 4 [pid 5663] +++ exited with 0 +++ [pid 5662] +++ exited with 0 +++ [pid 5667] <... write resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5667] close(3) = 0 [pid 5667] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5668 attached [pid 5667] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5668 [pid 5668] set_robust_list(0x555555ab3660, 24 [pid 5667] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5667] <... bpf resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5668] setpgid(0, 0 [pid 5667] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5669 attached [pid 5668] <... setpgid resumed>) = 0 [pid 5666] <... bpf resumed>) = 5 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5669 [pid 5667] <... bpf resumed>) = 5 [pid 5665] <... bpf resumed>) = 5 [pid 5669] set_robust_list(0x555555ab3660, 24 [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5667] perf_event_open(NULL, 0, -1, -1, 0 [pid 5666] perf_event_open(NULL, 0, -1, -1, 0 [pid 5665] perf_event_open(NULL, 0, -1, -1, 0 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5668] <... openat resumed>) = 3 [pid 5667] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5666] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5665] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5668] write(3, "1000", 4 [pid 5667] exit_group(0 [pid 5666] exit_group(0 [pid 5665] exit_group(0 [pid 5669] <... prctl resumed>) = 0 [pid 5668] <... write resumed>) = 4 [pid 5667] <... exit_group resumed>) = ? [pid 5666] <... exit_group resumed>) = ? [pid 5665] <... exit_group resumed>) = ? [pid 5668] close(3) = 0 [pid 5668] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5667] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5669] setpgid(0, 0./strace-static-x86_64: Process 5670 attached ) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5670 [pid 5670] set_robust_list(0x555555ab3660, 24 [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5670] <... set_robust_list resumed>) = 0 [pid 5669] <... openat resumed>) = 3 [pid 5668] <... bpf resumed>) = 3 [pid 5669] write(3, "1000", 4 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5669] <... write resumed>) = 4 [pid 5668] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5670] <... prctl resumed>) = 0 [pid 5669] close(3 [pid 5670] setpgid(0, 0 [pid 5669] <... close resumed>) = 0 [pid 5670] <... setpgid resumed>) = 0 [pid 5669] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5668] <... bpf resumed>) = 4 [pid 5669] <... bpf resumed>) = 3 [pid 5670] <... openat resumed>) = 3 [pid 5669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5670] write(3, "1000", 4 [pid 5668] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5669] <... bpf resumed>) = 4 [pid 5670] <... write resumed>) = 4 [pid 5669] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5666] +++ exited with 0 +++ [pid 5665] +++ exited with 0 +++ [pid 5670] close(3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5665, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5670] <... close resumed>) = 0 [pid 5670] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5671 attached [pid 5670] <... bpf resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5671 [pid 5671] set_robust_list(0x555555ab3660, 24) = 0 [pid 5671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5671] setpgid(0, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5671] <... setpgid resumed>) = 0 [pid 5670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5672 attached [pid 5672] set_robust_list(0x555555ab3660, 24 [pid 5671] <... openat resumed>) = 3 [pid 5670] <... bpf resumed>) = 4 [pid 5669] <... bpf resumed>) = 5 [pid 5668] <... bpf resumed>) = 5 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5672 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] write(3, "1000", 4 [pid 5670] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5669] perf_event_open(NULL, 0, -1, -1, 0 [pid 5668] perf_event_open(NULL, 0, -1, -1, 0 [pid 5672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5671] <... write resumed>) = 4 [pid 5670] <... bpf resumed>) = 5 [pid 5669] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5668] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5672] <... prctl resumed>) = 0 [pid 5671] close(3 [pid 5670] perf_event_open(NULL, 0, -1, -1, 0 [pid 5669] exit_group(0 [pid 5668] exit_group(0 [pid 5672] setpgid(0, 0 [pid 5671] <... close resumed>) = 0 [pid 5670] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5669] <... exit_group resumed>) = ? [pid 5668] <... exit_group resumed>) = ? [pid 5671] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5670] exit_group(0 [pid 5672] <... setpgid resumed>) = 0 [pid 5670] <... exit_group resumed>) = ? [pid 5668] +++ exited with 0 +++ [pid 5672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5671] <... bpf resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5672] <... openat resumed>) = 3 [pid 5671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5672] write(3, "1000", 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5673 attached [pid 5672] <... write resumed>) = 4 [pid 5671] <... bpf resumed>) = 4 [pid 5673] set_robust_list(0x555555ab3660, 24 [pid 5672] close(3 [pid 5671] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5673] <... set_robust_list resumed>) = 0 [pid 5673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5672] <... close resumed>) = 0 [pid 5673] <... prctl resumed>) = 0 [pid 5672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5673] setpgid(0, 0 [pid 5672] <... bpf resumed>) = 3 [pid 5673] <... setpgid resumed>) = 0 [pid 5673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5669] +++ exited with 0 +++ [pid 5670] +++ exited with 0 +++ [pid 5673] write(3, "1000", 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5673 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5673] <... write resumed>) = 4 [pid 5672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5673] close(3 [pid 5672] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5673] <... close resumed>) = 0 ./strace-static-x86_64: Process 5674 attached [pid 5674] set_robust_list(0x555555ab3660, 24 [pid 5673] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5674] <... set_robust_list resumed>) = 0 [pid 5672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5674 [pid 5673] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5675 attached [pid 5674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5675] set_robust_list(0x555555ab3660, 24 [pid 5674] <... prctl resumed>) = 0 [pid 5675] <... set_robust_list resumed>) = 0 [pid 5674] setpgid(0, 0 [pid 5673] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5674] <... setpgid resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5675 [pid 5673] <... bpf resumed>) = 4 [pid 5675] <... prctl resumed>) = 0 [pid 5674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5673] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5675] setpgid(0, 0 [pid 5674] <... openat resumed>) = 3 [pid 5675] <... setpgid resumed>) = 0 [pid 5674] write(3, "1000", 4 [pid 5675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5674] <... write resumed>) = 4 [pid 5675] <... openat resumed>) = 3 [pid 5674] close(3 [pid 5675] write(3, "1000", 4) = 4 [pid 5674] <... close resumed>) = 0 [pid 5672] <... bpf resumed>) = 5 [pid 5671] <... bpf resumed>) = 5 [pid 5673] <... bpf resumed>) = 5 [pid 5675] close(3 [pid 5674] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5673] perf_event_open(NULL, 0, -1, -1, 0 [pid 5671] perf_event_open(NULL, 0, -1, -1, 0 [pid 5675] <... close resumed>) = 0 [pid 5673] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5672] perf_event_open(NULL, 0, -1, -1, 0 [pid 5675] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5674] <... bpf resumed>) = 3 [pid 5673] exit_group(0 [pid 5672] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5671] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5672] exit_group(0) = ? [pid 5675] <... bpf resumed>) = 3 [pid 5674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5673] <... exit_group resumed>) = ? [pid 5671] exit_group(0 [pid 5675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5672] +++ exited with 0 +++ [pid 5674] <... bpf resumed>) = 4 [pid 5673] +++ exited with 0 +++ [pid 5671] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5675] <... bpf resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5676 attached ./strace-static-x86_64: Process 5677 attached [pid 5675] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5674] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5671] +++ exited with 0 +++ [pid 5676] set_robust_list(0x555555ab3660, 24 [pid 5677] set_robust_list(0x555555ab3660, 24 [pid 5676] <... set_robust_list resumed>) = 0 [pid 5677] <... set_robust_list resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5676] <... prctl resumed>) = 0 [pid 5677] <... prctl resumed>) = 0 [pid 5676] setpgid(0, 0 [pid 5677] setpgid(0, 0 [pid 5676] <... setpgid resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5677] <... setpgid resumed>) = 0 [pid 5676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5678 attached [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5676] <... openat resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5676 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5677 [pid 5678] set_robust_list(0x555555ab3660, 24) = 0 [pid 5677] <... openat resumed>) = 3 [pid 5676] write(3, "1000", 4 [pid 5678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] write(3, "1000", 4 [pid 5676] <... write resumed>) = 4 [pid 5678] <... prctl resumed>) = 0 [pid 5677] <... write resumed>) = 4 [pid 5676] close(3 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5678 [pid 5678] setpgid(0, 0 [pid 5677] close(3 [pid 5676] <... close resumed>) = 0 [pid 5678] <... setpgid resumed>) = 0 [pid 5677] <... close resumed>) = 0 [pid 5678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5677] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5676] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5678] <... openat resumed>) = 3 [pid 5677] <... bpf resumed>) = 3 [pid 5678] write(3, "1000", 4 [pid 5677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5676] <... bpf resumed>) = 3 [pid 5678] <... write resumed>) = 4 [pid 5674] <... bpf resumed>) = 5 [pid 5677] <... bpf resumed>) = 4 [pid 5678] close(3) = 0 [pid 5674] perf_event_open(NULL, 0, -1, -1, 0 [pid 5678] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5676] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5674] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5677] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5675] <... bpf resumed>) = 5 [pid 5674] exit_group(0 [pid 5677] <... bpf resumed>) = 5 [pid 5675] perf_event_open(NULL, 0, -1, -1, 0 [pid 5674] <... exit_group resumed>) = ? [pid 5675] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5678] <... bpf resumed>) = 3 [pid 5677] perf_event_open(NULL, 0, -1, -1, 0 [pid 5675] exit_group(0 [pid 5678] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5677] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5676] <... bpf resumed>) = 4 [pid 5675] <... exit_group resumed>) = ? [pid 5674] +++ exited with 0 +++ [pid 5677] exit_group(0 [pid 5676] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5677] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5678] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5679 attached [pid 5678] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5679] set_robust_list(0x555555ab3660, 24) = 0 [pid 5679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5679] setpgid(0, 0) = 0 [pid 5679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5679 [pid 5679] write(3, "1000", 4 [pid 5676] <... bpf resumed>) = 5 [pid 5675] +++ exited with 0 +++ [pid 5679] <... write resumed>) = 4 [pid 5676] perf_event_open(NULL, 0, -1, -1, 0 [pid 5679] close(3 [pid 5676] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5679] <... close resumed>) = 0 [pid 5676] exit_group(0 [pid 5679] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5676] <... exit_group resumed>) = ? [pid 5679] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5680 attached [pid 5680] set_robust_list(0x555555ab3660, 24) = 0 [pid 5680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5680] setpgid(0, 0) = 0 [pid 5680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5680] write(3, "1000", 4) = 4 [pid 5679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5680 [pid 5680] close(3 [pid 5679] <... bpf resumed>) = 4 [pid 5680] <... close resumed>) = 0 [pid 5680] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5679] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5680] <... bpf resumed>) = 3 [pid 5680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5680] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5677] +++ exited with 0 +++ [pid 5678] <... bpf resumed>) = 5 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5678] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5678] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] <... restart_syscall resumed>) = 0 [pid 5678] exit_group(0) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5681 attached [pid 5681] set_robust_list(0x555555ab3660, 24) = 0 [pid 5681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5681] setpgid(0, 0) = 0 [pid 5681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5681 [pid 5681] write(3, "1000", 4) = 4 [pid 5681] close(3) = 0 [pid 5681] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5681] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5681] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5680] <... bpf resumed>) = 5 [pid 5679] <... bpf resumed>) = 5 [pid 5678] +++ exited with 0 +++ [pid 5676] +++ exited with 0 +++ [pid 5681] perf_event_open(NULL, 0, -1, -1, 0 [pid 5680] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5676, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5681] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5680] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5681] exit_group(0 [pid 5680] exit_group(0 [pid 5679] perf_event_open(NULL, 0, -1, -1, 0 [pid 5681] <... exit_group resumed>) = ? [pid 5680] <... exit_group resumed>) = ? [pid 5679] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5681] +++ exited with 0 +++ [pid 5679] exit_group(0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5682 attached [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5683 attached [pid 5682] set_robust_list(0x555555ab3660, 24 [pid 5679] <... exit_group resumed>) = ? [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5683] set_robust_list(0x555555ab3660, 24 [pid 5682] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5682 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5683] <... set_robust_list resumed>) = 0 [pid 5682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5682] <... prctl resumed>) = 0 [pid 5683] setpgid(0, 0 [pid 5682] setpgid(0, 0 [pid 5680] +++ exited with 0 +++ [pid 5683] <... setpgid resumed>) = 0 [pid 5682] <... setpgid resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5684 attached [pid 5683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5684] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5683 [pid 5682] <... openat resumed>) = 3 [pid 5683] <... openat resumed>) = 3 [pid 5684] <... set_robust_list resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5682] write(3, "1000", 4 [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5683] write(3, "1000", 4 [pid 5679] +++ exited with 0 +++ [pid 5682] <... write resumed>) = 4 ./strace-static-x86_64: Process 5685 attached [pid 5684] <... prctl resumed>) = 0 [pid 5683] <... write resumed>) = 4 [pid 5682] close(3 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5684 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5682] <... close resumed>) = 0 [pid 5685] set_robust_list(0x555555ab3660, 24 [pid 5684] setpgid(0, 0 [pid 5682] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5684] <... setpgid resumed>) = 0 [pid 5683] close(3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5683] <... close resumed>) = 0 ./strace-static-x86_64: Process 5686 attached [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5685 [pid 5682] <... bpf resumed>) = 3 [pid 5686] set_robust_list(0x555555ab3660, 24 [pid 5685] <... prctl resumed>) = 0 [pid 5683] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5686] <... set_robust_list resumed>) = 0 [pid 5685] setpgid(0, 0 [pid 5684] <... openat resumed>) = 3 [pid 5682] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5686 [pid 5686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5685] <... setpgid resumed>) = 0 [pid 5684] write(3, "1000", 4 [pid 5686] <... prctl resumed>) = 0 [pid 5685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5686] setpgid(0, 0) = 0 [pid 5686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5682] <... bpf resumed>) = 4 [pid 5684] <... write resumed>) = 4 [pid 5686] <... openat resumed>) = 3 [pid 5686] write(3, "1000", 4 [pid 5683] <... bpf resumed>) = 3 [pid 5686] <... write resumed>) = 4 [pid 5685] <... openat resumed>) = 3 [pid 5684] close(3 [pid 5686] close(3 [pid 5685] write(3, "1000", 4 [pid 5684] <... close resumed>) = 0 [pid 5686] <... close resumed>) = 0 [pid 5684] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5686] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5685] <... write resumed>) = 4 [pid 5683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5682] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5686] <... bpf resumed>) = 3 [pid 5685] close(3 [pid 5684] <... bpf resumed>) = 3 [pid 5685] <... close resumed>) = 0 [pid 5685] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5686] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5683] <... bpf resumed>) = 4 [pid 5685] <... bpf resumed>) = 3 [pid 5683] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5684] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5682] <... bpf resumed>) = 5 [pid 5683] <... bpf resumed>) = 5 [pid 5682] perf_event_open(NULL, 0, -1, -1, 0 [pid 5686] <... bpf resumed>) = 4 [pid 5686] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5 [pid 5684] <... bpf resumed>) = 4 [pid 5686] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5685] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5684] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5683] perf_event_open(NULL, 0, -1, -1, 0 [pid 5682] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5686] exit_group(0 [pid 5683] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5682] exit_group(0 [pid 5686] <... exit_group resumed>) = ? [pid 5683] exit_group(0 [pid 5682] <... exit_group resumed>) = ? [pid 5686] +++ exited with 0 +++ [pid 5685] <... bpf resumed>) = 4 [pid 5684] <... bpf resumed>) = 5 [pid 5683] <... exit_group resumed>) = ? [pid 5685] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5684] perf_event_open(NULL, 0, -1, -1, 0 [pid 5682] +++ exited with 0 +++ [pid 5684] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5684] exit_group(0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5684] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5683] +++ exited with 0 +++ [pid 5684] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5687 attached [pid 5687] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5688 attached [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5687 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5688] set_robust_list(0x555555ab3660, 24 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5687] <... prctl resumed>) = 0 [pid 5688] setpgid(0, 0 [pid 5687] setpgid(0, 0 [pid 5688] <... setpgid resumed>) = 0 [pid 5688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5687] <... setpgid resumed>) = 0 [pid 5687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5689 attached [pid 5688] <... openat resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5688 ./strace-static-x86_64: Process 5690 attached [pid 5689] set_robust_list(0x555555ab3660, 24 [pid 5688] write(3, "1000", 4 [pid 5685] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5689 [pid 5690] set_robust_list(0x555555ab3660, 24 [pid 5689] <... set_robust_list resumed>) = 0 [pid 5688] <... write resumed>) = 4 [pid 5687] <... openat resumed>) = 3 [pid 5685] perf_event_open(NULL, 0, -1, -1, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5690 [pid 5690] <... set_robust_list resumed>) = 0 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5688] close(3 [pid 5685] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5689] <... prctl resumed>) = 0 [pid 5688] <... close resumed>) = 0 [pid 5687] write(3, "1000", 4 [pid 5685] exit_group(0 [pid 5690] <... prctl resumed>) = 0 [pid 5689] setpgid(0, 0 [pid 5688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5687] <... write resumed>) = 4 [pid 5685] <... exit_group resumed>) = ? [pid 5690] setpgid(0, 0 [pid 5689] <... setpgid resumed>) = 0 [pid 5688] <... bpf resumed>) = 3 [pid 5687] close(3 [pid 5685] +++ exited with 0 +++ [pid 5690] <... setpgid resumed>) = 0 [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5689] <... openat resumed>) = 3 [pid 5687] <... close resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5690] <... openat resumed>) = 3 [pid 5689] write(3, "1000", 4 [pid 5687] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5690] write(3, "1000", 4 [pid 5689] <... write resumed>) = 4 [pid 5688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5690] <... write resumed>) = 4 [pid 5689] close(3 [pid 5688] <... bpf resumed>) = 4 [pid 5687] <... bpf resumed>) = 3 [pid 5690] close(3 [pid 5689] <... close resumed>) = 0 [pid 5690] <... close resumed>) = 0 [pid 5689] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5690] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5689] <... bpf resumed>) = 3 [pid 5688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5687] <... bpf resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5690] <... bpf resumed>) = 3 [pid 5687] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5691 attached [pid 5688] <... bpf resumed>) = 5 [pid 5687] <... bpf resumed>) = 5 [pid 5691] set_robust_list(0x555555ab3660, 24 [pid 5690] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5687] perf_event_open(NULL, 0, -1, -1, 0 [pid 5691] <... set_robust_list resumed>) = 0 [pid 5690] <... bpf resumed>) = 4 [pid 5688] perf_event_open(NULL, 0, -1, -1, 0 [pid 5687] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5688] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5687] exit_group(0 [pid 5691] <... prctl resumed>) = 0 [pid 5690] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5689] <... bpf resumed>) = 4 [pid 5688] exit_group(0 [pid 5687] <... exit_group resumed>) = ? [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5691 [pid 5691] setpgid(0, 0 [pid 5690] <... bpf resumed>) = 5 [pid 5690] perf_event_open(NULL, 0, -1, -1, 0 [pid 5688] <... exit_group resumed>) = ? [pid 5691] <... setpgid resumed>) = 0 [pid 5687] +++ exited with 0 +++ [pid 5691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5690] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5691] <... openat resumed>) = 3 [pid 5691] write(3, "1000", 4 [pid 5690] exit_group(0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5691] <... write resumed>) = 4 [pid 5690] <... exit_group resumed>) = ? [pid 5689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5691] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5692 attached [pid 5691] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5692] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5692 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5691] <... bpf resumed>) = 3 [pid 5690] +++ exited with 0 +++ [pid 5688] +++ exited with 0 +++ [pid 5691] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5691] <... bpf resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5692] <... prctl resumed>) = 0 [pid 5692] setpgid(0, 0 [pid 5691] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5692] <... setpgid resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5689] <... bpf resumed>) = 5 [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5691] <... bpf resumed>) = 5 [pid 5692] <... openat resumed>) = 3 [pid 5689] perf_event_open(NULL, 0, -1, -1, 0 [pid 5691] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5689] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5692] write(3, "1000", 4 [pid 5691] exit_group(0 [pid 5689] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5692] <... write resumed>) = 4 [pid 5691] <... exit_group resumed>) = ? [pid 5689] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5693 attached [pid 5692] close(3 [pid 5691] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5693] set_robust_list(0x555555ab3660, 24 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5692] <... close resumed>) = 0 [pid 5693] <... set_robust_list resumed>) = 0 [pid 5692] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5689] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5693 ./strace-static-x86_64: Process 5694 attached [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5692] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5694] set_robust_list(0x555555ab3660, 24 [pid 5693] <... prctl resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5689, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5694 [pid 5694] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5695 attached [pid 5694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5693] setpgid(0, 0 [pid 5695] set_robust_list(0x555555ab3660, 24 [pid 5694] <... prctl resumed>) = 0 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5694] setpgid(0, 0 [pid 5693] <... setpgid resumed>) = 0 [pid 5695] <... prctl resumed>) = 0 [pid 5694] <... setpgid resumed>) = 0 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5695 [pid 5692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5695] setpgid(0, 0 [pid 5694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5695] <... setpgid resumed>) = 0 [pid 5694] <... openat resumed>) = 3 [pid 5695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5693] <... openat resumed>) = 3 [pid 5695] <... openat resumed>) = 3 [pid 5694] write(3, "1000", 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5695] write(3, "1000", 4 [pid 5694] <... write resumed>) = 4 [pid 5693] write(3, "1000", 4 [pid 5695] <... write resumed>) = 4 [pid 5694] close(3 [pid 5693] <... write resumed>) = 4 [pid 5695] close(3 [pid 5694] <... close resumed>) = 0 [pid 5693] close(3 [pid 5695] <... close resumed>) = 0 [pid 5694] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5695] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5694] <... bpf resumed>) = 3 [pid 5693] <... close resumed>) = 0 [pid 5692] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5696 attached [pid 5693] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5695] <... bpf resumed>) = 3 [pid 5694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5696] set_robust_list(0x555555ab3660, 24 [pid 5695] <... bpf resumed>) = 4 [pid 5694] <... bpf resumed>) = 4 [pid 5693] <... bpf resumed>) = 3 [pid 5692] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5696 [pid 5696] <... set_robust_list resumed>) = 0 [pid 5695] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5694] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5695] <... bpf resumed>) = 5 [pid 5694] <... bpf resumed>) = 5 [pid 5692] <... bpf resumed>) = 5 [pid 5696] setpgid(0, 0 [pid 5695] perf_event_open(NULL, 0, -1, -1, 0 [pid 5694] perf_event_open(NULL, 0, -1, -1, 0 [pid 5692] perf_event_open(NULL, 0, -1, -1, 0 [pid 5696] <... setpgid resumed>) = 0 [pid 5695] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5694] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5693] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5692] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5695] exit_group(0 [pid 5694] exit_group(0 [pid 5693] <... bpf resumed>) = 4 [pid 5692] exit_group(0 [pid 5696] <... openat resumed>) = 3 [pid 5695] <... exit_group resumed>) = ? [pid 5694] <... exit_group resumed>) = ? [pid 5692] <... exit_group resumed>) = ? [pid 5696] write(3, "1000", 4 [pid 5693] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5696] <... write resumed>) = 4 [pid 5695] +++ exited with 0 +++ [pid 5693] <... bpf resumed>) = 5 [pid 5694] +++ exited with 0 +++ [pid 5696] close(3 [pid 5693] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5695, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5696] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5697 attached [pid 5696] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5693] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5697] set_robust_list(0x555555ab3660, 24 [pid 5696] <... bpf resumed>) = 3 [pid 5693] exit_group(0 [pid 5697] <... set_robust_list resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5697] <... prctl resumed>) = 0 [pid 5693] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5698 attached [pid 5697] setpgid(0, 0) = 0 [pid 5698] set_robust_list(0x555555ab3660, 24 [pid 5697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5696] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5698 [pid 5698] <... set_robust_list resumed>) = 0 [pid 5697] <... openat resumed>) = 3 [pid 5696] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5697 [pid 5698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5697] write(3, "1000", 4 [pid 5698] <... prctl resumed>) = 0 [pid 5697] <... write resumed>) = 4 [pid 5698] setpgid(0, 0 [pid 5697] close(3 [pid 5698] <... setpgid resumed>) = 0 [pid 5698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5697] <... close resumed>) = 0 [pid 5698] <... openat resumed>) = 3 [pid 5696] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5697] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5698] write(3, "1000", 4) = 4 [pid 5697] <... bpf resumed>) = 3 [pid 5698] close(3 [pid 5697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5693] +++ exited with 0 +++ [pid 5692] +++ exited with 0 +++ [pid 5698] <... close resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5693, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5698] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5697] <... bpf resumed>) = 4 [pid 5698] <... bpf resumed>) = 3 [pid 5697] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5699 attached [pid 5699] set_robust_list(0x555555ab3660, 24) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5699] setpgid(0, 0 [pid 5698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5696] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5700 attached [pid 5699] <... setpgid resumed>) = 0 [pid 5697] <... bpf resumed>) = 5 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5699 [pid 5700] set_robust_list(0x555555ab3660, 24 [pid 5699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5698] <... bpf resumed>) = 4 [pid 5697] perf_event_open(NULL, 0, -1, -1, 0 [pid 5696] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5700 [pid 5700] <... set_robust_list resumed>) = 0 [pid 5699] <... openat resumed>) = 3 [pid 5698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5697] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5696] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5699] write(3, "1000", 4 [pid 5698] <... bpf resumed>) = 5 [pid 5697] exit_group(0 [pid 5696] exit_group(0 [pid 5700] <... prctl resumed>) = 0 [pid 5699] <... write resumed>) = 4 [pid 5698] perf_event_open(NULL, 0, -1, -1, 0 [pid 5697] <... exit_group resumed>) = ? [pid 5696] <... exit_group resumed>) = ? [pid 5700] setpgid(0, 0 [pid 5698] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5700] <... setpgid resumed>) = 0 [pid 5699] close(3 [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5698] exit_group(0 [pid 5697] +++ exited with 0 +++ [pid 5700] <... openat resumed>) = 3 [pid 5699] <... close resumed>) = 0 [pid 5698] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5697, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5700] write(3, "1000", 4 [pid 5699] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5700] <... write resumed>) = 4 [pid 5699] <... bpf resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5700] close(3) = 0 ./strace-static-x86_64: Process 5701 attached [pid 5701] set_robust_list(0x555555ab3660, 24 [pid 5700] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5701] <... set_robust_list resumed>) = 0 [pid 5699] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5700] <... bpf resumed>) = 3 [pid 5699] <... bpf resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5701 [pid 5701] <... prctl resumed>) = 0 [pid 5701] setpgid(0, 0) = 0 [pid 5696] +++ exited with 0 +++ [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5701] write(3, "1000", 4) = 4 [pid 5701] close(3) = 0 [pid 5700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5696, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5701] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5700] <... bpf resumed>) = 4 [pid 5699] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5698] +++ exited with 0 +++ [pid 5075] <... restart_syscall resumed>) = 0 [pid 5700] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5701] <... bpf resumed>) = 3 [pid 5701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5701] <... bpf resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5702 attached [pid 5701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5702] set_robust_list(0x555555ab3660, 24./strace-static-x86_64: Process 5703 attached [pid 5701] <... bpf resumed>) = 5 [pid 5700] <... bpf resumed>) = 5 [pid 5699] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5702 [pid 5703] set_robust_list(0x555555ab3660, 24 [pid 5702] <... set_robust_list resumed>) = 0 [pid 5701] perf_event_open(NULL, 0, -1, -1, 0 [pid 5700] perf_event_open(NULL, 0, -1, -1, 0 [pid 5699] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5703 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5701] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5700] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5699] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] <... prctl resumed>) = 0 [pid 5701] exit_group(0 [pid 5700] exit_group(0 [pid 5699] exit_group(0 [pid 5703] <... prctl resumed>) = 0 [pid 5702] setpgid(0, 0 [pid 5701] <... exit_group resumed>) = ? [pid 5700] <... exit_group resumed>) = ? [pid 5699] <... exit_group resumed>) = ? [pid 5703] setpgid(0, 0 [pid 5702] <... setpgid resumed>) = 0 [pid 5703] <... setpgid resumed>) = 0 [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5701] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5702] <... openat resumed>) = 3 [pid 5700] +++ exited with 0 +++ [pid 5699] +++ exited with 0 +++ [pid 5703] <... openat resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5700, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5703] write(3, "1000", 4 [pid 5702] write(3, "1000", 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5703] <... write resumed>) = 4 [pid 5702] <... write resumed>) = 4 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5703] close(3./strace-static-x86_64: Process 5704 attached ) = 0 [pid 5702] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... restart_syscall resumed>) = 0 [pid 5704] set_robust_list(0x555555ab3660, 24 [pid 5703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5704 [pid 5704] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5705 attached [pid 5704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5703] <... bpf resumed>) = 3 [pid 5702] <... close resumed>) = 0 [pid 5705] set_robust_list(0x555555ab3660, 24 [pid 5704] <... prctl resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5705] <... set_robust_list resumed>) = 0 [pid 5705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5704] setpgid(0, 0 [pid 5702] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5706 attached [pid 5705] <... prctl resumed>) = 0 [pid 5704] <... setpgid resumed>) = 0 [pid 5703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5702] <... bpf resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5705 [pid 5706] set_robust_list(0x555555ab3660, 24 [pid 5705] setpgid(0, 0 [pid 5704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5703] <... bpf resumed>) = 4 [pid 5702] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5706 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] <... setpgid resumed>) = 0 [pid 5704] <... openat resumed>) = 3 [pid 5704] write(3, "1000", 4 [pid 5706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5704] <... write resumed>) = 4 [pid 5703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5702] <... bpf resumed>) = 4 [pid 5706] <... prctl resumed>) = 0 [pid 5705] <... openat resumed>) = 3 [pid 5704] close(3 [pid 5703] <... bpf resumed>) = 5 [pid 5706] setpgid(0, 0 [pid 5704] <... close resumed>) = 0 [pid 5706] <... setpgid resumed>) = 0 [pid 5705] write(3, "1000", 4 [pid 5704] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5705] <... write resumed>) = 4 [pid 5704] <... bpf resumed>) = 3 [pid 5703] perf_event_open(NULL, 0, -1, -1, 0 [pid 5702] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5706] write(3, "1000", 4 [pid 5705] close(3 [pid 5704] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5703] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5702] <... bpf resumed>) = 5 [pid 5706] <... write resumed>) = 4 [pid 5705] <... close resumed>) = 0 [pid 5703] exit_group(0 [pid 5702] perf_event_open(NULL, 0, -1, -1, 0 [pid 5706] close(3 [pid 5705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5704] <... bpf resumed>) = 4 [pid 5703] <... exit_group resumed>) = ? [pid 5702] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5706] <... close resumed>) = 0 [pid 5705] <... bpf resumed>) = 3 [pid 5704] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5702] exit_group(0 [pid 5706] <... bpf resumed>) = 3 [pid 5702] <... exit_group resumed>) = ? [pid 5706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5705] <... bpf resumed>) = 4 [pid 5705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5706] <... bpf resumed>) = 4 [pid 5706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5704] <... bpf resumed>) = 5 [pid 5703] +++ exited with 0 +++ [pid 5704] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5704] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5704] exit_group(0 [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5704] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5707 attached [pid 5706] <... bpf resumed>) = 5 [pid 5705] <... bpf resumed>) = 5 [pid 5704] +++ exited with 0 +++ [pid 5702] +++ exited with 0 +++ [pid 5707] set_robust_list(0x555555ab3660, 24 [pid 5706] perf_event_open(NULL, 0, -1, -1, 0 [pid 5705] perf_event_open(NULL, 0, -1, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5707 [pid 5707] <... set_robust_list resumed>) = 0 [pid 5706] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5705] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5706] exit_group(0 [pid 5705] exit_group(0 [pid 5706] <... exit_group resumed>) = ? [pid 5705] <... exit_group resumed>) = ? [pid 5707] <... prctl resumed>) = 0 [pid 5707] setpgid(0, 0) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5708 attached ./strace-static-x86_64: Process 5709 attached [pid 5707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5708] set_robust_list(0x555555ab3660, 24 [pid 5709] set_robust_list(0x555555ab3660, 24 [pid 5708] <... set_robust_list resumed>) = 0 [pid 5707] <... openat resumed>) = 3 [pid 5709] <... set_robust_list resumed>) = 0 [pid 5708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5708] <... prctl resumed>) = 0 [pid 5707] write(3, "1000", 4 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5709 [pid 5709] <... prctl resumed>) = 0 [pid 5708] setpgid(0, 0 [pid 5707] <... write resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5708 [pid 5709] setpgid(0, 0 [pid 5708] <... setpgid resumed>) = 0 [pid 5707] close(3 [pid 5709] <... setpgid resumed>) = 0 [pid 5708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5707] <... close resumed>) = 0 [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5708] <... openat resumed>) = 3 [pid 5707] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5709] <... openat resumed>) = 3 [pid 5708] write(3, "1000", 4 [pid 5707] <... bpf resumed>) = 3 [pid 5706] +++ exited with 0 +++ [pid 5705] +++ exited with 0 +++ [pid 5709] write(3, "1000", 4 [pid 5708] <... write resumed>) = 4 [pid 5709] <... write resumed>) = 4 [pid 5708] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5705, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5709] close(3 [pid 5708] <... close resumed>) = 0 [pid 5709] <... close resumed>) = 0 [pid 5708] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5709] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5707] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5709] <... bpf resumed>) = 3 [pid 5708] <... bpf resumed>) = 3 [pid 5707] <... bpf resumed>) = 4 [pid 5709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5708] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5707] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5709] <... bpf resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5710 attached ./strace-static-x86_64: Process 5711 attached [pid 5709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5708] <... bpf resumed>) = 4 [pid 5710] set_robust_list(0x555555ab3660, 24 [pid 5708] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5711] set_robust_list(0x555555ab3660, 24 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5710 [pid 5711] <... prctl resumed>) = 0 [pid 5710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5711] setpgid(0, 0 [pid 5710] <... prctl resumed>) = 0 [pid 5711] <... setpgid resumed>) = 0 [pid 5710] setpgid(0, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5711 [pid 5711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5710] <... setpgid resumed>) = 0 [pid 5710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5711] <... openat resumed>) = 3 [pid 5709] <... bpf resumed>) = 5 [pid 5708] <... bpf resumed>) = 5 [pid 5707] <... bpf resumed>) = 5 [pid 5711] write(3, "1000", 4 [pid 5709] perf_event_open(NULL, 0, -1, -1, 0 [pid 5708] perf_event_open(NULL, 0, -1, -1, 0 [pid 5711] <... write resumed>) = 4 [pid 5709] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5708] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5711] close(3) = 0 [pid 5710] <... openat resumed>) = 3 [pid 5709] exit_group(0 [pid 5708] exit_group(0 [pid 5707] perf_event_open(NULL, 0, -1, -1, 0 [pid 5711] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5710] write(3, "1000", 4 [pid 5709] <... exit_group resumed>) = ? [pid 5708] <... exit_group resumed>) = ? [pid 5707] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5710] <... write resumed>) = 4 [pid 5707] exit_group(0 [pid 5710] close(3 [pid 5707] <... exit_group resumed>) = ? [pid 5711] <... bpf resumed>) = 3 [pid 5710] <... close resumed>) = 0 [pid 5710] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5709] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5710] <... bpf resumed>) = 3 [pid 5710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5711] <... bpf resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5711] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5707] +++ exited with 0 +++ ./strace-static-x86_64: Process 5712 attached [pid 5710] <... bpf resumed>) = 4 [pid 5708] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5707, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5712] set_robust_list(0x555555ab3660, 24 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5710] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5712] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5712 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5712] setpgid(0, 0) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5713 attached ./strace-static-x86_64: Process 5714 attached [pid 5712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5713 [pid 5714] set_robust_list(0x555555ab3660, 24 [pid 5713] set_robust_list(0x555555ab3660, 24 [pid 5712] <... openat resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5714 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5713] <... set_robust_list resumed>) = 0 [pid 5712] write(3, "1000", 4 [pid 5714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5712] <... write resumed>) = 4 [pid 5714] <... prctl resumed>) = 0 [pid 5713] <... prctl resumed>) = 0 [pid 5712] close(3 [pid 5711] <... bpf resumed>) = 5 [pid 5710] <... bpf resumed>) = 5 [pid 5713] setpgid(0, 0 [pid 5712] <... close resumed>) = 0 [pid 5711] perf_event_open(NULL, 0, -1, -1, 0 [pid 5713] <... setpgid resumed>) = 0 [pid 5714] setpgid(0, 0 [pid 5713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5712] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5711] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5710] perf_event_open(NULL, 0, -1, -1, 0 [pid 5713] <... openat resumed>) = 3 [pid 5714] <... setpgid resumed>) = 0 [pid 5713] write(3, "1000", 4 [pid 5711] exit_group(0 [pid 5710] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5713] <... write resumed>) = 4 [pid 5712] <... bpf resumed>) = 3 [pid 5711] <... exit_group resumed>) = ? [pid 5710] exit_group(0 [pid 5714] <... openat resumed>) = 3 [pid 5713] close(3 [pid 5712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5714] write(3, "1000", 4 [pid 5713] <... close resumed>) = 0 [pid 5710] <... exit_group resumed>) = ? [pid 5714] <... write resumed>) = 4 [pid 5714] close(3 [pid 5712] <... bpf resumed>) = 4 [pid 5714] <... close resumed>) = 0 [pid 5713] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5714] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5713] <... bpf resumed>) = 3 [pid 5710] +++ exited with 0 +++ [pid 5711] +++ exited with 0 +++ [pid 5712] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5713] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5714] <... bpf resumed>) = 4 [pid 5713] <... bpf resumed>) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5714] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5713] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5712] <... bpf resumed>) = 5 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5715 attached [pid 5714] <... bpf resumed>) = 5 [pid 5712] perf_event_open(NULL, 0, -1, -1, 0 [pid 5715] set_robust_list(0x555555ab3660, 24 [pid 5714] perf_event_open(NULL, 0, -1, -1, 0 [pid 5713] <... bpf resumed>) = 5 [pid 5712] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5715 [pid 5714] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5713] perf_event_open(NULL, 0, -1, -1, 0./strace-static-x86_64: Process 5716 attached [pid 5715] <... set_robust_list resumed>) = 0 [pid 5714] exit_group(0 [pid 5713] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5712] exit_group(0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5716 [pid 5716] set_robust_list(0x555555ab3660, 24 [pid 5715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5714] <... exit_group resumed>) = ? [pid 5713] exit_group(0 [pid 5712] <... exit_group resumed>) = ? [pid 5716] <... set_robust_list resumed>) = 0 [pid 5715] <... prctl resumed>) = 0 [pid 5715] setpgid(0, 0) = 0 [pid 5716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5713] <... exit_group resumed>) = ? [pid 5716] <... prctl resumed>) = 0 [pid 5715] <... openat resumed>) = 3 [pid 5714] +++ exited with 0 +++ [pid 5716] setpgid(0, 0 [pid 5715] write(3, "1000", 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5716] <... setpgid resumed>) = 0 [pid 5715] <... write resumed>) = 4 [pid 5715] close(3 [pid 5716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5715] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5716] <... openat resumed>) = 3 [pid 5715] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5716] write(3, "1000", 4) = 4 [pid 5716] close(3) = 0 [pid 5715] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5717 attached [pid 5716] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5717] set_robust_list(0x555555ab3660, 24 [pid 5715] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5717 [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] <... bpf resumed>) = 3 [pid 5717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5716] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5717] <... prctl resumed>) = 0 [pid 5715] <... bpf resumed>) = 4 [pid 5717] setpgid(0, 0 [pid 5715] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5717] <... setpgid resumed>) = 0 [pid 5716] <... bpf resumed>) = 4 [pid 5716] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5717] write(3, "1000", 4) = 4 [pid 5717] close(3) = 0 [pid 5717] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5717] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5713] +++ exited with 0 +++ [pid 5712] +++ exited with 0 +++ [pid 5717] <... bpf resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5718 attached [pid 5717] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5719 attached [pid 5718] set_robust_list(0x555555ab3660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5718 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5719] set_robust_list(0x555555ab3660, 24) = 0 [pid 5718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5718] <... prctl resumed>) = 0 [pid 5719] <... prctl resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5719 [pid 5719] setpgid(0, 0 [pid 5718] setpgid(0, 0 [pid 5719] <... setpgid resumed>) = 0 [pid 5718] <... setpgid resumed>) = 0 [pid 5719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5719] write(3, "1000", 4 [pid 5718] <... openat resumed>) = 3 [pid 5717] <... bpf resumed>) = 5 [pid 5716] <... bpf resumed>) = 5 [pid 5715] <... bpf resumed>) = 5 [pid 5719] <... write resumed>) = 4 [pid 5718] write(3, "1000", 4 [pid 5717] perf_event_open(NULL, 0, -1, -1, 0 [pid 5716] perf_event_open(NULL, 0, -1, -1, 0 [pid 5715] perf_event_open(NULL, 0, -1, -1, 0 [pid 5719] close(3 [pid 5718] <... write resumed>) = 4 [pid 5717] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5716] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5715] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5719] <... close resumed>) = 0 [pid 5718] close(3 [pid 5717] exit_group(0 [pid 5716] exit_group(0 [pid 5715] exit_group(0 [pid 5719] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5718] <... close resumed>) = 0 [pid 5717] <... exit_group resumed>) = ? [pid 5716] <... exit_group resumed>) = ? [pid 5715] <... exit_group resumed>) = ? [pid 5719] <... bpf resumed>) = 3 [pid 5718] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5716] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5718] <... bpf resumed>) = 3 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5719] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5718] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5719] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5718] <... bpf resumed>) = 4 [pid 5717] +++ exited with 0 +++ [pid 5715] +++ exited with 0 +++ [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5720 attached ./strace-static-x86_64: Process 5721 attached [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5720 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5720] set_robust_list(0x555555ab3660, 24) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5722 attached [pid 5721] set_robust_list(0x555555ab3660, 24 [pid 5720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5718] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5721] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5721 [pid 5721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5722] set_robust_list(0x555555ab3660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5722 [pid 5720] <... prctl resumed>) = 0 [pid 5722] <... set_robust_list resumed>) = 0 [pid 5721] <... prctl resumed>) = 0 [pid 5720] setpgid(0, 0 [pid 5722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5721] setpgid(0, 0 [pid 5720] <... setpgid resumed>) = 0 [pid 5722] <... prctl resumed>) = 0 [pid 5721] <... setpgid resumed>) = 0 [pid 5719] <... bpf resumed>) = 5 [pid 5718] <... bpf resumed>) = 5 [pid 5719] perf_event_open(NULL, 0, -1, -1, 0 [pid 5718] perf_event_open(NULL, 0, -1, -1, 0 [pid 5720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5719] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5718] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5722] setpgid(0, 0 [pid 5721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5719] exit_group(0 [pid 5718] exit_group(0 [pid 5719] <... exit_group resumed>) = ? [pid 5718] <... exit_group resumed>) = ? [pid 5722] <... setpgid resumed>) = 0 [pid 5721] <... openat resumed>) = 3 [pid 5720] <... openat resumed>) = 3 [pid 5722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5721] write(3, "1000", 4 [pid 5720] write(3, "1000", 4) = 4 [pid 5721] <... write resumed>) = 4 [pid 5720] close(3 [pid 5721] close(3) = 0 [pid 5720] <... close resumed>) = 0 [pid 5722] <... openat resumed>) = 3 [pid 5722] write(3, "1000", 4 [pid 5721] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5722] <... write resumed>) = 4 [pid 5720] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5722] close(3) = 0 [pid 5722] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5721] <... bpf resumed>) = 3 [pid 5722] <... bpf resumed>) = 3 [pid 5721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5720] <... bpf resumed>) = 3 [pid 5722] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5721] <... bpf resumed>) = 4 [pid 5720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5721] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5722] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5721] <... bpf resumed>) = 5 [pid 5720] <... bpf resumed>) = 4 [pid 5719] +++ exited with 0 +++ [pid 5721] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5721] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5721] exit_group(0 [pid 5720] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5721] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5723 attached [pid 5722] <... bpf resumed>) = 5 [pid 5721] +++ exited with 0 +++ [pid 5720] <... bpf resumed>) = 5 [pid 5718] +++ exited with 0 +++ [pid 5723] set_robust_list(0x555555ab3660, 24 [pid 5722] perf_event_open(NULL, 0, -1, -1, 0 [pid 5720] perf_event_open(NULL, 0, -1, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5723 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5723] <... set_robust_list resumed>) = 0 [pid 5722] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5720] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5722] exit_group(0 [pid 5720] exit_group(0 [pid 5723] <... prctl resumed>) = 0 [pid 5722] <... exit_group resumed>) = ? [pid 5720] <... exit_group resumed>) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5723] setpgid(0, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5724 attached [pid 5724] set_robust_list(0x555555ab3660, 24 [pid 5723] <... setpgid resumed>) = 0 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5725 attached [pid 5724] <... prctl resumed>) = 0 [pid 5724] setpgid(0, 0 [pid 5723] <... openat resumed>) = 3 [pid 5725] set_robust_list(0x555555ab3660, 24 [pid 5724] <... setpgid resumed>) = 0 [pid 5723] write(3, "1000", 4 [pid 5725] <... set_robust_list resumed>) = 0 [pid 5724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5723] <... write resumed>) = 4 [pid 5725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5724] <... openat resumed>) = 3 [pid 5723] close(3 [pid 5722] +++ exited with 0 +++ [pid 5720] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5724 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5725 [pid 5725] <... prctl resumed>) = 0 [pid 5723] <... close resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5720, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5725] setpgid(0, 0 [pid 5724] write(3, "1000", 4 [pid 5725] <... setpgid resumed>) = 0 [pid 5724] <... write resumed>) = 4 [pid 5723] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5724] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5724] <... close resumed>) = 0 [pid 5723] <... bpf resumed>) = 3 [pid 5724] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5727 attached ./strace-static-x86_64: Process 5726 attached [pid 5725] <... openat resumed>) = 3 [pid 5724] <... bpf resumed>) = 3 [pid 5723] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5727 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5726 [pid 5727] set_robust_list(0x555555ab3660, 24 [pid 5726] set_robust_list(0x555555ab3660, 24 [pid 5725] write(3, "1000", 4 [pid 5726] <... set_robust_list resumed>) = 0 [pid 5725] <... write resumed>) = 4 [pid 5727] <... set_robust_list resumed>) = 0 [pid 5726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5725] close(3 [pid 5724] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] <... prctl resumed>) = 0 [pid 5725] <... close resumed>) = 0 [pid 5724] <... bpf resumed>) = 4 [pid 5723] <... bpf resumed>) = 4 [pid 5727] <... prctl resumed>) = 0 [pid 5725] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5727] setpgid(0, 0 [pid 5726] setpgid(0, 0 [pid 5724] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5723] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5727] <... setpgid resumed>) = 0 [pid 5727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5726] <... setpgid resumed>) = 0 [pid 5725] <... bpf resumed>) = 3 [pid 5726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5727] write(3, "1000", 4 [pid 5726] <... openat resumed>) = 3 [pid 5727] <... write resumed>) = 4 [pid 5726] write(3, "1000", 4 [pid 5725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5727] close(3 [pid 5726] <... write resumed>) = 4 [pid 5727] <... close resumed>) = 0 [pid 5727] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5726] close(3 [pid 5725] <... bpf resumed>) = 4 [pid 5726] <... close resumed>) = 0 [pid 5725] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5727] <... bpf resumed>) = 3 [pid 5726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5724] <... bpf resumed>) = 5 [pid 5725] <... bpf resumed>) = 5 [pid 5726] <... bpf resumed>) = 3 [pid 5725] perf_event_open(NULL, 0, -1, -1, 0 [pid 5723] <... bpf resumed>) = 5 [pid 5725] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5724] perf_event_open(NULL, 0, -1, -1, 0 [pid 5723] perf_event_open(NULL, 0, -1, -1, 0 [pid 5727] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5725] exit_group(0 [pid 5724] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5723] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5725] <... exit_group resumed>) = ? [pid 5724] exit_group(0 [pid 5727] <... bpf resumed>) = 4 [pid 5724] <... exit_group resumed>) = ? [pid 5723] exit_group(0 [pid 5726] <... bpf resumed>) = 4 [pid 5725] +++ exited with 0 +++ [pid 5723] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5727] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5724] +++ exited with 0 +++ [pid 5723] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5729 attached ./strace-static-x86_64: Process 5728 attached ./strace-static-x86_64: Process 5730 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5728 [pid 5729] set_robust_list(0x555555ab3660, 24 [pid 5730] set_robust_list(0x555555ab3660, 24) = 0 [pid 5728] set_robust_list(0x555555ab3660, 24 [pid 5729] <... set_robust_list resumed>) = 0 [pid 5729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5729 [pid 5730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5729] <... prctl resumed>) = 0 [pid 5728] <... set_robust_list resumed>) = 0 [pid 5727] <... bpf resumed>) = 5 [pid 5726] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5730 [pid 5730] <... prctl resumed>) = 0 [pid 5730] setpgid(0, 0 [pid 5729] setpgid(0, 0 [pid 5728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5727] perf_event_open(NULL, 0, -1, -1, 0 [pid 5726] perf_event_open(NULL, 0, -1, -1, 0 [pid 5730] <... setpgid resumed>) = 0 [pid 5729] <... setpgid resumed>) = 0 [pid 5728] <... prctl resumed>) = 0 [pid 5727] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5726] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5728] setpgid(0, 0 [pid 5727] exit_group(0 [pid 5726] exit_group(0 [pid 5730] <... openat resumed>) = 3 [pid 5728] <... setpgid resumed>) = 0 [pid 5727] <... exit_group resumed>) = ? [pid 5726] <... exit_group resumed>) = ? [pid 5729] <... openat resumed>) = 3 [pid 5730] write(3, "1000", 4 [pid 5729] write(3, "1000", 4 [pid 5728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5730] <... write resumed>) = 4 [pid 5729] <... write resumed>) = 4 [pid 5730] close(3) = 0 [pid 5729] close(3 [pid 5728] <... openat resumed>) = 3 [pid 5729] <... close resumed>) = 0 [pid 5730] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5729] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5728] write(3, "1000", 4 [pid 5730] <... bpf resumed>) = 3 [pid 5729] <... bpf resumed>) = 3 [pid 5728] <... write resumed>) = 4 [pid 5730] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5729] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5728] close(3) = 0 [pid 5728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5730] <... bpf resumed>) = 4 [pid 5730] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5729] <... bpf resumed>) = 4 [pid 5728] <... bpf resumed>) = 3 [pid 5729] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5727] +++ exited with 0 +++ [pid 5726] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5727, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5728] <... bpf resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5731 attached [pid 5731] set_robust_list(0x555555ab3660, 24 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5731] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5731 ./strace-static-x86_64: Process 5732 attached [pid 5731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5730] <... bpf resumed>) = 5 [pid 5729] <... bpf resumed>) = 5 [pid 5728] <... bpf resumed>) = 5 [pid 5732] set_robust_list(0x555555ab3660, 24 [pid 5731] <... prctl resumed>) = 0 [pid 5730] perf_event_open(NULL, 0, -1, -1, 0 [pid 5729] perf_event_open(NULL, 0, -1, -1, 0 [pid 5728] perf_event_open(NULL, 0, -1, -1, 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5732 [pid 5732] <... set_robust_list resumed>) = 0 [pid 5731] setpgid(0, 0 [pid 5730] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5729] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5728] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5731] <... setpgid resumed>) = 0 [pid 5730] exit_group(0 [pid 5729] exit_group(0 [pid 5728] exit_group(0 [pid 5732] <... prctl resumed>) = 0 [pid 5731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5730] <... exit_group resumed>) = ? [pid 5729] <... exit_group resumed>) = ? [pid 5732] setpgid(0, 0 [pid 5728] <... exit_group resumed>) = ? [pid 5732] <... setpgid resumed>) = 0 [pid 5732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5731] <... openat resumed>) = 3 [pid 5732] <... openat resumed>) = 3 [pid 5731] write(3, "1000", 4 [pid 5732] write(3, "1000", 4 [pid 5731] <... write resumed>) = 4 [pid 5729] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5732] <... write resumed>) = 4 [pid 5731] close(3 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5731] <... close resumed>) = 0 [pid 5732] close(3 [pid 5731] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5732] <... close resumed>) = 0 [pid 5732] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5731] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5733 attached [pid 5733] set_robust_list(0x555555ab3660, 24) = 0 [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5732] <... bpf resumed>) = 3 [pid 5731] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5733 [pid 5733] <... prctl resumed>) = 0 [pid 5733] setpgid(0, 0) = 0 [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5733] write(3, "1000", 4) = 4 [pid 5733] close(3 [pid 5732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5731] <... bpf resumed>) = 4 [pid 5733] <... close resumed>) = 0 [pid 5733] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5732] <... bpf resumed>) = 4 [pid 5731] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5733] <... bpf resumed>) = 3 [pid 5733] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5730] +++ exited with 0 +++ [pid 5728] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5732] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5733] <... bpf resumed>) = 4 [pid 5733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5734 attached ./strace-static-x86_64: Process 5735 attached [pid 5734] set_robust_list(0x555555ab3660, 24 [pid 5735] set_robust_list(0x555555ab3660, 24) = 0 [pid 5734] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5735 [pid 5735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5734 [pid 5735] <... prctl resumed>) = 0 [pid 5734] <... prctl resumed>) = 0 [pid 5735] setpgid(0, 0 [pid 5734] setpgid(0, 0 [pid 5735] <... setpgid resumed>) = 0 [pid 5734] <... setpgid resumed>) = 0 [pid 5734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5732] <... bpf resumed>) = 5 [pid 5731] <... bpf resumed>) = 5 [pid 5733] <... bpf resumed>) = 5 [pid 5731] perf_event_open(NULL, 0, -1, -1, 0 [pid 5735] <... openat resumed>) = 3 [pid 5734] <... openat resumed>) = 3 [pid 5732] perf_event_open(NULL, 0, -1, -1, 0 [pid 5733] perf_event_open(NULL, 0, -1, -1, 0 [pid 5731] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5735] write(3, "1000", 4 [pid 5734] write(3, "1000", 4 [pid 5733] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5732] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5731] exit_group(0 [pid 5735] <... write resumed>) = 4 [pid 5734] <... write resumed>) = 4 [pid 5733] exit_group(0 [pid 5732] exit_group(0 [pid 5735] close(3 [pid 5734] close(3 [pid 5733] <... exit_group resumed>) = ? [pid 5735] <... close resumed>) = 0 [pid 5734] <... close resumed>) = 0 [pid 5732] <... exit_group resumed>) = ? [pid 5731] <... exit_group resumed>) = ? [pid 5735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5734] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5733] +++ exited with 0 +++ [pid 5732] +++ exited with 0 +++ [pid 5731] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5735] <... bpf resumed>) = 3 [pid 5734] <... bpf resumed>) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5734] <... bpf resumed>) = 4 [pid 5735] <... bpf resumed>) = 4 [pid 5734] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5737 attached ./strace-static-x86_64: Process 5736 attached ./strace-static-x86_64: Process 5738 attached [pid 5734] <... bpf resumed>) = 5 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5736 [pid 5737] set_robust_list(0x555555ab3660, 24 [pid 5736] set_robust_list(0x555555ab3660, 24 [pid 5735] <... bpf resumed>) = 5 [pid 5734] perf_event_open(NULL, 0, -1, -1, 0 [pid 5736] <... set_robust_list resumed>) = 0 [pid 5738] set_robust_list(0x555555ab3660, 24 [pid 5736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5734] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5738 [pid 5737] <... set_robust_list resumed>) = 0 [pid 5736] <... prctl resumed>) = 0 [pid 5734] exit_group(0 [pid 5737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5736] setpgid(0, 0 [pid 5734] <... exit_group resumed>) = ? [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5737 [pid 5738] <... set_robust_list resumed>) = 0 [pid 5737] <... prctl resumed>) = 0 [pid 5736] <... setpgid resumed>) = 0 [pid 5735] perf_event_open(NULL, 0, -1, -1, 0 [pid 5738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] <... prctl resumed>) = 0 [pid 5737] setpgid(0, 0 [pid 5735] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5738] setpgid(0, 0 [pid 5737] <... setpgid resumed>) = 0 [pid 5736] <... openat resumed>) = 3 [pid 5735] exit_group(0 [pid 5738] <... setpgid resumed>) = 0 [pid 5735] <... exit_group resumed>) = ? [pid 5738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5736] write(3, "1000", 4 [pid 5738] <... openat resumed>) = 3 [pid 5737] <... openat resumed>) = 3 [pid 5736] <... write resumed>) = 4 [pid 5737] write(3, "1000", 4 [pid 5736] close(3 [pid 5737] <... write resumed>) = 4 [pid 5736] <... close resumed>) = 0 [pid 5737] close(3) = 0 [pid 5736] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5734] +++ exited with 0 +++ [pid 5737] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5738] write(3, "1000", 4 [pid 5737] <... bpf resumed>) = 3 [pid 5736] <... bpf resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5738] <... write resumed>) = 4 [pid 5737] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5735] +++ exited with 0 +++ [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5738] close(3 [pid 5736] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] <... restart_syscall resumed>) = 0 [pid 5738] <... close resumed>) = 0 [pid 5738] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5737] <... bpf resumed>) = 4 [pid 5736] <... bpf resumed>) = 4 [pid 5737] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5736] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5738] <... bpf resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5739 attached [pid 5739] set_robust_list(0x555555ab3660, 24 [pid 5738] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5740 attached [pid 5739] <... set_robust_list resumed>) = 0 [pid 5740] set_robust_list(0x555555ab3660, 24 [pid 5739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5738] <... bpf resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5739 [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5740 [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] <... prctl resumed>) = 0 [pid 5740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5739] setpgid(0, 0 [pid 5740] <... prctl resumed>) = 0 [pid 5739] <... setpgid resumed>) = 0 [pid 5740] setpgid(0, 0) = 0 [pid 5739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5739] <... openat resumed>) = 3 [pid 5739] write(3, "1000", 4 [pid 5738] <... bpf resumed>) = 5 [pid 5736] <... bpf resumed>) = 5 [pid 5737] <... bpf resumed>) = 5 [pid 5740] <... openat resumed>) = 3 [pid 5739] <... write resumed>) = 4 [pid 5736] perf_event_open(NULL, 0, -1, -1, 0 [pid 5737] perf_event_open(NULL, 0, -1, -1, 0 [pid 5740] write(3, "1000", 4 [pid 5739] close(3 [pid 5738] perf_event_open(NULL, 0, -1, -1, 0 [pid 5737] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5736] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5740] <... write resumed>) = 4 [pid 5739] <... close resumed>) = 0 [pid 5738] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5737] exit_group(0 [pid 5736] exit_group(0 [pid 5740] close(3 [pid 5739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5738] exit_group(0 [pid 5737] <... exit_group resumed>) = ? [pid 5736] <... exit_group resumed>) = ? [pid 5740] <... close resumed>) = 0 [pid 5738] <... exit_group resumed>) = ? [pid 5739] <... bpf resumed>) = 3 [pid 5738] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5740] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5739] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5741 attached [pid 5741] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5741 [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] <... bpf resumed>) = 3 [pid 5739] <... bpf resumed>) = 4 [pid 5737] +++ exited with 0 +++ [pid 5736] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5740] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5741] <... prctl resumed>) = 0 [pid 5741] setpgid(0, 0) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5740] <... bpf resumed>) = 4 [pid 5740] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5742 attached ./strace-static-x86_64: Process 5743 attached [pid 5742] set_robust_list(0x555555ab3660, 24 [pid 5741] <... openat resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5743 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5742 [pid 5742] <... set_robust_list resumed>) = 0 [pid 5741] write(3, "1000", 4 [pid 5743] set_robust_list(0x555555ab3660, 24 [pid 5742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5741] <... write resumed>) = 4 [pid 5743] <... set_robust_list resumed>) = 0 [pid 5742] <... prctl resumed>) = 0 [pid 5741] close(3 [pid 5739] <... bpf resumed>) = 5 [pid 5742] setpgid(0, 0 [pid 5741] <... close resumed>) = 0 [pid 5742] <... setpgid resumed>) = 0 [pid 5741] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5740] <... bpf resumed>) = 5 [pid 5739] perf_event_open(NULL, 0, -1, -1, 0 [pid 5743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5739] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5739] exit_group(0 [pid 5743] <... prctl resumed>) = 0 [pid 5739] <... exit_group resumed>) = ? [pid 5743] setpgid(0, 0 [pid 5742] <... openat resumed>) = 3 [pid 5740] perf_event_open(NULL, 0, -1, -1, 0 [pid 5741] <... bpf resumed>) = 3 [pid 5743] <... setpgid resumed>) = 0 [pid 5742] write(3, "1000", 4 [pid 5741] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5740] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5742] <... write resumed>) = 4 [pid 5742] close(3 [pid 5740] exit_group(0 [pid 5742] <... close resumed>) = 0 [pid 5743] <... openat resumed>) = 3 [pid 5742] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5741] <... bpf resumed>) = 4 [pid 5740] <... exit_group resumed>) = ? [pid 5743] write(3, "1000", 4) = 4 [pid 5741] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5743] close(3) = 0 [pid 5743] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5742] <... bpf resumed>) = 3 [pid 5742] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5743] <... bpf resumed>) = 3 [pid 5743] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5742] <... bpf resumed>) = 4 [pid 5743] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5742] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5739] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5740] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5744 attached [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5744] set_robust_list(0x555555ab3660, 24) = 0 [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5744] setpgid(0, 0./strace-static-x86_64: Process 5745 attached [pid 5743] <... bpf resumed>) = 5 [pid 5742] <... bpf resumed>) = 5 [pid 5741] <... bpf resumed>) = 5 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5744 [pid 5743] perf_event_open(NULL, 0, -1, -1, 0) = -1 EFAULT (Bad address) [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5745 [pid 5745] set_robust_list(0x555555ab3660, 24 [pid 5744] <... setpgid resumed>) = 0 [pid 5742] perf_event_open(NULL, 0, -1, -1, 0 [pid 5741] perf_event_open(NULL, 0, -1, -1, 0 [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5743] exit_group(0 [pid 5745] <... set_robust_list resumed>) = 0 [pid 5744] <... openat resumed>) = 3 [pid 5743] <... exit_group resumed>) = ? [pid 5742] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5741] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5742] exit_group(0 [pid 5741] exit_group(0 [pid 5745] <... prctl resumed>) = 0 [pid 5744] write(3, "1000", 4 [pid 5742] <... exit_group resumed>) = ? [pid 5741] <... exit_group resumed>) = ? [pid 5745] setpgid(0, 0 [pid 5744] <... write resumed>) = 4 [pid 5743] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5743, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5745] <... setpgid resumed>) = 0 [pid 5744] close(3./strace-static-x86_64: Process 5746 attached [pid 5745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5744] <... close resumed>) = 0 [pid 5745] <... openat resumed>) = 3 [pid 5744] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5746] set_robust_list(0x555555ab3660, 24 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5746 [pid 5746] <... set_robust_list resumed>) = 0 [pid 5746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5745] write(3, "1000", 4 [pid 5744] <... bpf resumed>) = 3 [pid 5746] <... prctl resumed>) = 0 [pid 5745] <... write resumed>) = 4 [pid 5744] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5746] setpgid(0, 0 [pid 5745] close(3 [pid 5746] <... setpgid resumed>) = 0 [pid 5745] <... close resumed>) = 0 [pid 5744] <... bpf resumed>) = 4 [pid 5746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5745] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5744] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5746] <... openat resumed>) = 3 [pid 5745] <... bpf resumed>) = 3 [pid 5745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5746] write(3, "1000", 4) = 4 [pid 5746] close(3 [pid 5745] <... bpf resumed>) = 4 [pid 5746] <... close resumed>) = 0 [pid 5745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5746] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5741] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5746] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5747 attached [pid 5742] +++ exited with 0 +++ [pid 5747] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5747 [pid 5747] <... set_robust_list resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5747] setpgid(0, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5747] <... setpgid resumed>) = 0 [pid 5747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5748 attached ) = 3 [pid 5746] <... bpf resumed>) = 4 [pid 5747] write(3, "1000", 4 [pid 5748] set_robust_list(0x555555ab3660, 24 [pid 5747] <... write resumed>) = 4 [pid 5746] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5745] <... bpf resumed>) = 5 [pid 5748] <... set_robust_list resumed>) = 0 [pid 5744] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5748 [pid 5747] close(3) = 0 [pid 5744] perf_event_open(NULL, 0, -1, -1, 0 [pid 5747] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5744] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5746] <... bpf resumed>) = 5 [pid 5745] perf_event_open(NULL, 0, -1, -1, 0 [pid 5748] <... prctl resumed>) = 0 [pid 5746] perf_event_open(NULL, 0, -1, -1, 0 [pid 5745] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5746] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5748] setpgid(0, 0 [pid 5746] exit_group(0 [pid 5745] exit_group(0 [pid 5744] exit_group(0 [pid 5748] <... setpgid resumed>) = 0 [pid 5746] <... exit_group resumed>) = ? [pid 5745] <... exit_group resumed>) = ? [pid 5744] <... exit_group resumed>) = ? [pid 5748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5747] <... bpf resumed>) = 3 [pid 5746] +++ exited with 0 +++ [pid 5747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5748] <... openat resumed>) = 3 [pid 5748] write(3, "1000", 4) = 4 [pid 5748] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5748] <... close resumed>) = 0 [pid 5747] <... bpf resumed>) = 4 [pid 5748] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5749 attached [pid 5747] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5749] set_robust_list(0x555555ab3660, 24) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5749 [pid 5749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5748] <... bpf resumed>) = 3 [pid 5749] setpgid(0, 0) = 0 [pid 5748] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5748] <... bpf resumed>) = 4 [pid 5745] +++ exited with 0 +++ [pid 5744] +++ exited with 0 +++ [pid 5749] <... openat resumed>) = 3 [pid 5749] write(3, "1000", 4) = 4 [pid 5749] close(3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5749] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5749] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5750 attached [pid 5748] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555555ab3650) = 5750 ./strace-static-x86_64: Process 5751 attached [pid 5750] set_robust_list(0x555555ab3660, 24 [pid 5749] <... bpf resumed>) = 3 [pid 5751] set_robust_list(0x555555ab3660, 24 [pid 5750] <... set_robust_list resumed>) = 0 [pid 5751] <... set_robust_list resumed>) = 0 [pid 5750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5750] <... prctl resumed>) = 0 [pid 5751] <... prctl resumed>) = 0 [pid 5750] setpgid(0, 0 [pid 5749] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555555ab3650) = 5751 [pid 5751] setpgid(0, 0 [pid 5750] <... setpgid resumed>) = 0 [pid 5751] <... setpgid resumed>) = 0 [pid 5750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5749] <... bpf resumed>) = 4 [pid 5751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5749] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5750] <... openat resumed>) = 3 [pid 5750] write(3, "1000", 4) = 4 [pid 5751] <... openat resumed>) = 3 [pid 5750] close(3) = 0 [pid 5751] write(3, "1000", 4 [pid 5750] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5749] <... bpf resumed>) = 5 [pid 5748] <... bpf resumed>) = 5 [pid 5747] <... bpf resumed>) = 5 [pid 5751] <... write resumed>) = 4 [pid 5749] perf_event_open(NULL, 0, -1, -1, 0 [pid 5748] perf_event_open(NULL, 0, -1, -1, 0 [pid 5747] perf_event_open(NULL, 0, -1, -1, 0 [pid 5751] close(3 [pid 5750] <... bpf resumed>) = 3 [pid 5749] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5748] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5747] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5751] <... close resumed>) = 0 [pid 5750] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5749] exit_group(0 [pid 5748] exit_group(0 [pid 5747] exit_group(0 [pid 5751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5748] <... exit_group resumed>) = ? [pid 5747] <... exit_group resumed>) = ? [pid 5751] <... bpf resumed>) = 3 [pid 5750] <... bpf resumed>) = 4 [pid 5749] <... exit_group resumed>) = ? [pid 5748] +++ exited with 0 +++ [pid 5751] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5750] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5751] <... bpf resumed>) = 4 [pid 5751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5752 attached [pid 5752] set_robust_list(0x555555ab3660, 24) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555555ab3650) = 5752 [pid 5752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5749] +++ exited with 0 +++ [pid 5747] +++ exited with 0 +++ [pid 5752] <... prctl resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5752] setpgid(0, 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5753 attached [pid 5752] <... setpgid resumed>) = 0 [pid 5752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5753] set_robust_list(0x555555ab3660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x555555ab3650) = 5753 [pid 5752] <... openat resumed>) = 3 [pid 5752] write(3, "1000", 4) = 4 [pid 5752] close(3./strace-static-x86_64: Process 5754 attached ) = 0 [pid 5753] <... set_robust_list resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555555ab3650) = 5754 [pid 5754] set_robust_list(0x555555ab3660, 24 [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5752] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5754] <... set_robust_list resumed>) = 0 [pid 5753] <... prctl resumed>) = 0 [pid 5754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5753] setpgid(0, 0 [pid 5752] <... bpf resumed>) = 3 [pid 5754] <... prctl resumed>) = 0 [pid 5753] <... setpgid resumed>) = 0 [pid 5754] setpgid(0, 0 [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5754] <... setpgid resumed>) = 0 [pid 5752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=15, insns=0x20000c80, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5753] <... openat resumed>) = 3 [pid 5754] <... openat resumed>) = 3 [pid 5753] write(3, "1000", 4 [pid 5752] <... bpf resumed>) = 4 [pid 5751] <... bpf resumed>) = 5 [pid 5750] <... bpf resumed>) = 5 [pid 5753] <... write resumed>) = 4 [pid 5754] write(3, "1000", 4 [pid 5753] close(3 [pid 5750] perf_event_open(NULL, 0, -1, -1, 0 [pid 5754] <... write resumed>) = 4 [pid 5753] <... close resumed>) = 0 [pid 5750] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5751] perf_event_open(NULL, 0, -1, -1, 0 [pid 5750] exit_group(0 [pid 5752] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5751] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5754] close(3 [pid 5753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5752] <... bpf resumed>) = 5 [pid 5751] exit_group(0 [pid 5750] <... exit_group resumed>) = ? [pid 5754] <... close resumed>) = 0 [pid 5751] <... exit_group resumed>) = ? [pid 5753] <... bpf resumed>) = 3 [pid 5752] perf_event_open(NULL, 0, -1, -1, 0 [pid 5751] +++ exited with 0 +++ [pid 5752] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5752] exit_group(0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5754] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72