./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor825052422 <...> Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts. execve("./syz-executor825052422", ["./syz-executor825052422"], 0x7ffd358f1ec0 /* 10 vars */) = 0 brk(NULL) = 0x555592841000 brk(0x555592841d00) = 0x555592841d00 arch_prctl(ARCH_SET_FS, 0x555592841380) = 0 set_tid_address(0x555592841650) = 5067 set_robust_list(0x555592841660, 24) = 0 rseq(0x555592841ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor825052422", 4096) = 27 getrandom("\x8c\x72\xaa\x70\x08\x3e\x3a\x63", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555592841d00 brk(0x555592862d00) = 0x555592862d00 brk(0x555592863000) = 0x555592863000 mprotect(0x7f1b74142000, 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./strace-static-x86_64: Process 5068 attached , child_tidptr=0x555592841650) = 5068 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] set_robust_list(0x555592841660, 24) = 0 ./strace-static-x86_64: Process 5069 attached [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... clone resumed>, child_tidptr=0x555592841650) = 5069 [pid 5069] set_robust_list(0x555592841660, 24 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... set_robust_list resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5071 attached ./strace-static-x86_64: Process 5070 attached [pid 5067] <... clone resumed>, child_tidptr=0x555592841650) = 5071 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5070 [pid 5071] set_robust_list(0x555592841660, 24 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] set_robust_list(0x555592841660, 24./strace-static-x86_64: Process 5073 attached ./strace-static-x86_64: Process 5072 attached ) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5072 ./strace-static-x86_64: Process 5074 attached [pid 5067] <... clone resumed>, child_tidptr=0x555592841650) = 5073 [pid 5073] set_robust_list(0x555592841660, 24 [pid 5072] set_robust_list(0x555592841660, 24 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... set_robust_list resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] set_robust_list(0x555592841660, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5074 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... set_robust_list resumed>) = 0 [pid 5070] <... prctl resumed>) = 0 [pid 5072] <... prctl resumed>) = 0 [pid 5074] <... prctl resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] setpgid(0, 0 [pid 5072] setpgid(0, 0 [pid 5074] setpgid(0, 0 [pid 5072] <... setpgid resumed>) = 0 [pid 5074] <... setpgid resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... setpgid resumed>) = 0 [pid 5074] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x555592841660, 24) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached [pid 5074] write(3, "1000", 4 [pid 5072] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... clone resumed>, child_tidptr=0x555592841650) = 5075 [pid 5076] set_robust_list(0x555592841660, 24 [pid 5074] <... write resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5076 [pid 5072] write(3, "1000", 4 [pid 5070] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5077 attached [pid 5076] <... set_robust_list resumed>) = 0 [pid 5074] close(3 [pid 5072] <... write resumed>) = 4 [pid 5077] set_robust_list(0x555592841660, 24 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5077 [pid 5074] <... close resumed>) = 0 [pid 5072] close(3 [pid 5070] write(3, "1000", 4 [pid 5072] <... close resumed>) = 0 [pid 5070] <... write resumed>) = 4 [pid 5070] close(3 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] <... prctl resumed>) = 0 [pid 5074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5070] <... close resumed>) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] setpgid(0, 0 [pid 5072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... prctl resumed>) = 0 [pid 5076] <... setpgid resumed>) = 0 [pid 5074] <... bpf resumed>) = 3 [pid 5070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5072] <... bpf resumed>) = 3 [pid 5070] <... bpf resumed>) = 3 [pid 5077] setpgid(0, 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5077] <... setpgid resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5074] <... bpf resumed>) = 4 [pid 5072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] write(3, "1000", 4 [pid 5074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5070] <... bpf resumed>) = 4 [pid 5072] <... bpf resumed>) = 4 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... write resumed>) = 4 [pid 5074] <... bpf resumed>) = 5 [pid 5070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5077] write(3, "1000", 4 [pid 5076] close(3 [pid 5074] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5077] <... write resumed>) = 4 [pid 5076] <... close resumed>) = 0 [pid 5070] <... bpf resumed>) = 5 [pid 5077] close(3 [pid 5074] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... bpf resumed>) = 5 [pid 5070] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... close resumed>) = 0 [pid 5074] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5072] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5070] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... bpf resumed>) = 3 [pid 5074] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5072] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5070] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5074] perf_event_open( [pid 5072] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5070] perf_event_open( [pid 5076] <... bpf resumed>) = 4 [pid 5072] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... bpf resumed>) = 3 [pid 5072] perf_event_open( [pid 5076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5072] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5070] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5070] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5077] <... bpf resumed>) = 4 [pid 5076] <... bpf resumed>) = 5 [pid 5074] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5072] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5076] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5070] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... bpf resumed>) = 5 [pid 5076] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5077] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5076] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5074] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5077] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5072] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5070] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5076] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5077] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5076] perf_event_open( [pid 5074] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5072] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5077] perf_event_open( [pid 5074] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5072] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5077] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5077] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5074] <... bpf resumed>) = 7 [pid 5072] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5070] <... bpf resumed>) = 7 [pid 5074] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5077] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5077] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5076] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5072] <... bpf resumed>) = 7 [pid 5070] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5076] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 8 [pid 5072] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5070] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5072] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5077] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5076] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] perf_event_open( [pid 5072] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5077] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5076] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5072] <... openat resumed>) = -1 EEXIST (File exists) [pid 5070] <... openat resumed>) = -1 EEXIST (File exists) [pid 5077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5072] perf_event_open( [pid 5077] <... bpf resumed>) = 7 [pid 5076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 9 [pid 5072] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5070] perf_event_open( [pid 5077] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5076] <... bpf resumed>) = 7 [pid 5074] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5072] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5070] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5077] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5076] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5076] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5070] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5077] <... openat resumed>) = -1 EEXIST (File exists) [pid 5076] <... openat resumed>) = -1 EEXIST (File exists) [pid 5074] <... socket resumed>) = 10 [pid 5070] <... socket resumed>) = 9 [pid 5074] ioctl(10, SIOCSIFNAME, NULL [pid 5077] perf_event_open( [pid 5076] perf_event_open( [pid 5072] <... socket resumed>) = 9 [pid 5070] ioctl(9, SIOCSIFNAME, NULL [pid 5076] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5077] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5072] ioctl(9, SIOCSIFNAME, NULL [pid 5077] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5076] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5074] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5072] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5070] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5074] ioctl(10, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5072] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5077] <... socket resumed>) = 9 [pid 5076] <... socket resumed>) = 9 [pid 5072] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5070] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5077] ioctl(9, SIOCSIFNAME, NULL [pid 5072] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5072] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [ 69.775748][ C1] hrtimer: interrupt took 258081 ns [pid 5072] exit_group(0 [pid 5077] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5076] ioctl(9, SIOCSIFNAME, NULL [pid 5074] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5070] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5077] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5076] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5074] perf_event_open(NULL, 0, 2, -1, 0 [pid 5072] <... exit_group resumed>) = ? [pid 5070] perf_event_open(NULL, 0, 2, -1, 0 [pid 5077] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5076] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5077] perf_event_open(NULL, 0, 2, -1, 0 [pid 5074] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5077] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5074] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5070] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5077] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5074] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5070] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5076] perf_event_open(NULL, 0, 2, -1, 0 [pid 5074] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5072] +++ exited with 0 +++ [pid 5070] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5077] exit_group(0 [pid 5076] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5070] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] exit_group(0 [pid 5070] exit_group(0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5074] <... exit_group resumed>) = ? [pid 5069] <... restart_syscall resumed>) = 0 [pid 5077] <... exit_group resumed>) = ? [pid 5076] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... exit_group resumed>) = ? [pid 5076] exit_group(0) = ? [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached , child_tidptr=0x555592841650) = 5078 [pid 5078] set_robust_list(0x555592841660, 24) = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] setpgid(0, 0) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] +++ exited with 0 +++ [pid 5078] <... openat resumed>) = 3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5074] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- ./strace-static-x86_64: Process 5079 attached [pid 5078] write(3, "1000", 4 [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5079] set_robust_list(0x555592841660, 24 [pid 5078] <... write resumed>) = 4 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] close(3) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5079 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5080 attached [pid 5079] <... prctl resumed>) = 0 [pid 5078] <... bpf resumed>) = 3 [pid 5080] set_robust_list(0x555592841660, 24 [pid 5079] setpgid(0, 0 [pid 5078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5080 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... setpgid resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... bpf resumed>) = 4 [pid 5080] <... prctl resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5080] setpgid(0, 0 [pid 5079] write(3, "1000", 4) = 4 [pid 5080] <... setpgid resumed>) = 0 [pid 5079] close(3 [pid 5078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... close resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] write(3, "1000", 4) = 4 [pid 5079] <... bpf resumed>) = 3 [pid 5080] close(3) = 0 [pid 5079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5070] +++ exited with 0 +++ [pid 5080] <... bpf resumed>) = 3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>) = 4 [pid 5078] <... bpf resumed>) = 5 [pid 5079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5078] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5080] <... bpf resumed>) = 4 [pid 5079] <... bpf resumed>) = 5 [pid 5078] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5079] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5078] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5078] perf_event_open( [pid 5080] <... bpf resumed>) = 5 [pid 5079] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached [pid 5080] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5079] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5081] set_robust_list(0x555592841660, 24 [pid 5080] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5079] perf_event_open( [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5081] <... prctl resumed>) = 0 [pid 5080] perf_event_open( [pid 5081] setpgid(0, 0 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5081 [pid 5081] <... setpgid resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5079] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5078] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5077] +++ exited with 0 +++ [pid 5081] <... openat resumed>) = 3 [pid 5080] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5079] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5078] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5079] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] write(3, "1000", 4 [pid 5080] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5078] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... write resumed>) = 4 [pid 5080] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5078] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 5080] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0./strace-static-x86_64: Process 5082 attached [pid 5081] <... close resumed>) = 0 [pid 5080] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5079] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5078] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5082] set_robust_list(0x555592841660, 24 [pid 5081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5079] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5082 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] <... bpf resumed>) = 3 [pid 5080] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] <... bpf resumed>) = 7 [pid 5078] <... bpf resumed>) = 7 [pid 5082] <... prctl resumed>) = 0 [pid 5081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>) = 7 [pid 5079] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5082] setpgid(0, 0 [pid 5081] <... bpf resumed>) = 4 [pid 5079] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5078] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5082] <... setpgid resumed>) = 0 [pid 5080] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5078] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5080] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5080] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5082] <... openat resumed>) = 3 [pid 5081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5079] <... openat resumed>) = -1 EEXIST (File exists) [pid 5081] <... bpf resumed>) = 5 [pid 5079] perf_event_open( [pid 5082] write(3, "1000", 4 [pid 5081] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5080] <... openat resumed>) = -1 EEXIST (File exists) [pid 5079] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5078] <... openat resumed>) = -1 EEXIST (File exists) [pid 5082] <... write resumed>) = 4 [pid 5081] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5080] perf_event_open( [pid 5079] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5078] perf_event_open( [pid 5082] close(3 [pid 5081] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5082] <... close resumed>) = 0 [pid 5081] perf_event_open( [pid 5080] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5079] <... socket resumed>) = 9 [pid 5078] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5081] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5080] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5079] ioctl(9, SIOCSIFNAME, NULL [pid 5078] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... socket resumed>) = 9 [pid 5079] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5081] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5079] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5081] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5082] <... bpf resumed>) = 4 [pid 5081] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] ioctl(9, SIOCSIFNAME, NULL [pid 5082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5081] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5079] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5078] <... socket resumed>) = 9 [pid 5081] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5079] perf_event_open(NULL, 0, 2, -1, 0 [pid 5081] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5079] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5081] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5079] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5081] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5079] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = -1 EEXIST (File exists) [pid 5081] perf_event_open( [pid 5079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5081] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5079] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5081] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5080] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5082] <... bpf resumed>) = 5 [pid 5081] <... socket resumed>) = 9 [pid 5079] exit_group(0 [pid 5078] ioctl(9, SIOCSIFNAME, NULL [pid 5082] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5081] ioctl(9, SIOCSIFNAME, NULL [pid 5082] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5080] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5079] <... exit_group resumed>) = ? [pid 5078] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5082] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5080] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5082] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5081] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5078] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5082] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5081] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5080] perf_event_open(NULL, 0, 2, -1, 0 [pid 5079] +++ exited with 0 +++ [pid 5078] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5081] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5080] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5078] perf_event_open(NULL, 0, 2, -1, 0 [pid 5082] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5081] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5080] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5078] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5082] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5082] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5078] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5083 attached [pid 5082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5081] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5083] set_robust_list(0x555592841660, 24 [pid 5082] <... bpf resumed>) = 7 [pid 5081] exit_group(0 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5083 [pid 5082] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5081] <... exit_group resumed>) = ? [pid 5080] exit_group(0 [pid 5078] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... prctl resumed>) = 0 [pid 5082] <... openat resumed>) = -1 EEXIST (File exists) [pid 5081] +++ exited with 0 +++ [pid 5080] <... exit_group resumed>) = ? [pid 5078] exit_group(0 [pid 5083] setpgid(0, 0 [pid 5082] perf_event_open( [pid 5083] <... setpgid resumed>) = 0 [pid 5082] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5078] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5080] +++ exited with 0 +++ [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5083] <... openat resumed>) = 3 [pid 5082] <... socket resumed>) = 9 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5083] write(3, "1000", 4 [pid 5082] ioctl(9, SIOCSIFNAME, NULL [pid 5071] <... restart_syscall resumed>) = 0 [pid 5083] <... write resumed>) = 4 [pid 5083] close(3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... close resumed>) = 0 [pid 5078] +++ exited with 0 +++ [pid 5083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5084 attached ./strace-static-x86_64: Process 5085 attached [pid 5083] <... bpf resumed>) = 3 [pid 5082] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5084] set_robust_list(0x555592841660, 24 [pid 5085] set_robust_list(0x555592841660, 24 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5082] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... bpf resumed>) = 4 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5085 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5084 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x555592841660, 24 [pid 5083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... bpf resumed>) = 5 [pid 5086] <... prctl resumed>) = 0 [pid 5083] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5086 [pid 5086] setpgid(0, 0 [pid 5083] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5086] <... setpgid resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5086] <... openat resumed>) = 3 [pid 5083] perf_event_open( [pid 5082] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5084] <... prctl resumed>) = 0 [pid 5085] <... prctl resumed>) = 0 [pid 5083] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5082] perf_event_open(NULL, 0, 2, -1, 0 [pid 5084] setpgid(0, 0 [pid 5085] setpgid(0, 0 [pid 5084] <... setpgid resumed>) = 0 [pid 5086] write(3, "1000", 4 [pid 5082] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5086] <... write resumed>) = 4 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] close(3 [pid 5085] <... setpgid resumed>) = 0 [pid 5082] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5086] <... close resumed>) = 0 [pid 5086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5086] <... bpf resumed>) = 3 [pid 5084] <... openat resumed>) = 3 [pid 5083] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5084] write(3, "1000", 4 [pid 5085] <... openat resumed>) = 3 [pid 5083] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5084] <... write resumed>) = 4 [pid 5085] write(3, "1000", 4 [pid 5086] <... bpf resumed>) = 4 [pid 5084] close(3 [pid 5085] <... write resumed>) = 4 [pid 5083] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... close resumed>) = 0 [pid 5083] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5083] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5086] <... bpf resumed>) = 5 [pid 5083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5086] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5083] <... bpf resumed>) = 7 [pid 5086] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5083] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5086] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5083] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5086] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5083] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5086] perf_event_open( [pid 5083] <... openat resumed>) = -1 EEXIST (File exists) [pid 5084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5083] perf_event_open( [pid 5082] exit_group(0 [pid 5086] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5084] <... bpf resumed>) = 3 [pid 5085] close(3 [pid 5083] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5086] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5085] <... close resumed>) = 0 [pid 5083] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5082] <... exit_group resumed>) = ? [pid 5086] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... bpf resumed>) = 4 [pid 5085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5086] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5083] <... socket resumed>) = 9 [pid 5086] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] ioctl(9, SIOCSIFNAME, NULL [pid 5086] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5085] <... bpf resumed>) = 3 [pid 5083] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5086] <... bpf resumed>) = 7 [pid 5086] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5086] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... bpf resumed>) = 5 [pid 5083] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5086] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5084] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5085] <... bpf resumed>) = 4 [pid 5083] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5086] <... openat resumed>) = -1 EEXIST (File exists) [pid 5084] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5086] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5084] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5086] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5084] perf_event_open( [pid 5085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5086] <... socket resumed>) = 9 [pid 5083] perf_event_open(NULL, 0, 2, -1, 0 [pid 5086] ioctl(9, SIOCSIFNAME, NULL [pid 5084] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5085] <... bpf resumed>) = 5 [pid 5083] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5084] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5085] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5083] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5084] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5084] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5085] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5082] +++ exited with 0 +++ [pid 5086] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5084] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5083] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5086] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5084] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5085] perf_event_open( [pid 5083] exit_group(0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5086] perf_event_open(NULL, 0, 2, -1, 0 [pid 5084] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5083] <... exit_group resumed>) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5085] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5084] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 5087 attached [pid 5086] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5084] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5085] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5084] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5084] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5087] set_robust_list(0x555592841660, 24 [pid 5086] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... openat resumed>) = -1 EEXIST (File exists) [pid 5085] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5084] perf_event_open( [pid 5085] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5083] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5087 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... prctl resumed>) = 0 [pid 5086] exit_group(0 [pid 5084] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5085] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5087] setpgid(0, 0 [pid 5086] <... exit_group resumed>) = ? [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5087] <... setpgid resumed>) = 0 [pid 5084] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5085] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5073] <... restart_syscall resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] +++ exited with 0 +++ [pid 5084] <... socket resumed>) = 9 [pid 5085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5087] <... openat resumed>) = 3 [pid 5084] ioctl(9, SIOCSIFNAME, NULL [pid 5087] write(3, "1000", 4 [pid 5085] <... bpf resumed>) = 7 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, 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 5088 attached [pid 5087] <... write resumed>) = 4 [pid 5084] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5085] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5088] set_robust_list(0x555592841660, 24 [pid 5087] close(3 [pid 5085] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5084] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5085] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5088 [pid 5085] <... openat resumed>) = -1 EEXIST (File exists) [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] <... close resumed>) = 0 [pid 5084] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5085] perf_event_open( [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5088] <... prctl resumed>) = 0 [pid 5087] <... bpf resumed>) = 3 [pid 5084] perf_event_open(NULL, 0, 2, -1, 0 [pid 5085] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] setpgid(0, 0 [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5084] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5085] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP./strace-static-x86_64: Process 5089 attached [pid 5088] <... setpgid resumed>) = 0 [pid 5087] <... bpf resumed>) = 4 [pid 5084] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5085] <... socket resumed>) = 9 [pid 5089] set_robust_list(0x555592841660, 24 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5084] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] ioctl(9, SIOCSIFNAME, NULL [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5087] <... bpf resumed>) = 5 [pid 5084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5089 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] write(3, "1000", 4 [pid 5087] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5084] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5084] exit_group(0 [pid 5089] <... prctl resumed>) = 0 [pid 5088] <... write resumed>) = 4 [pid 5087] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5089] setpgid(0, 0 [pid 5088] close(3 [pid 5087] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5084] <... exit_group resumed>) = ? [pid 5085] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5089] <... setpgid resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5087] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5085] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5084] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4 [pid 5088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5087] perf_event_open( [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5089] <... write resumed>) = 4 [pid 5088] <... bpf resumed>) = 3 [pid 5087] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5085] perf_event_open(NULL, 0, 2, -1, 0 [pid 5087] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5085] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5089] close(3 [pid 5087] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, 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 5090 attached [pid 5089] <... close resumed>) = 0 [pid 5087] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5085] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5090 [pid 5090] set_robust_list(0x555592841660, 24 [pid 5089] <... bpf resumed>) = 3 [pid 5088] <... bpf resumed>) = 4 [pid 5087] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5087] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] <... bpf resumed>) = 4 [pid 5088] <... bpf resumed>) = 5 [pid 5087] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5085] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5090] <... prctl resumed>) = 0 [pid 5088] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5090] setpgid(0, 0 [pid 5089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5087] <... bpf resumed>) = 7 [pid 5089] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5089] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5089] perf_event_open( [pid 5090] <... setpgid resumed>) = 0 [pid 5088] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5087] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5085] exit_group(0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5088] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5087] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... exit_group resumed>) = ? [pid 5090] <... openat resumed>) = 3 [pid 5089] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5088] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5090] write(3, "1000", 4 [pid 5089] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] perf_event_open( [pid 5087] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5090] <... write resumed>) = 4 [pid 5089] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5090] close(3 [pid 5089] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5087] <... openat resumed>) = -1 EEXIST (File exists) [pid 5085] +++ exited with 0 +++ [pid 5090] <... close resumed>) = 0 [pid 5089] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5087] perf_event_open( [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5090] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5089] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5088] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5088] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5089] <... bpf resumed>) = 7 [pid 5088] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5089] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5088] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... bpf resumed>) = 3 [pid 5089] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5088] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5089] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5088] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5089] <... openat resumed>) = -1 EEXIST (File exists) [pid 5088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5089] perf_event_open( [pid 5088] <... bpf resumed>) = 7 [pid 5087] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5088] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5089] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5088] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5090] <... bpf resumed>) = 4 [pid 5089] <... socket resumed>) = 9 [pid 5088] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5091 attached [pid 5090] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5089] ioctl(9, SIOCSIFNAME, NULL [pid 5088] perf_event_open( [pid 5087] <... socket resumed>) = 9 [pid 5091] set_robust_list(0x555592841660, 24 [pid 5090] <... bpf resumed>) = 5 [pid 5089] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5088] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5087] ioctl(9, SIOCSIFNAME, NULL [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5091 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5089] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5090] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5089] perf_event_open(NULL, 0, 2, -1, 0 [pid 5088] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5091] <... prctl resumed>) = 0 [pid 5090] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5089] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5087] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5091] setpgid(0, 0 [pid 5090] perf_event_open( [pid 5089] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5091] <... setpgid resumed>) = 0 [pid 5089] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5091] <... openat resumed>) = 3 [pid 5089] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5089] exit_group(0 [pid 5087] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5091] write(3, "1000", 4 [pid 5089] <... exit_group resumed>) = ? [pid 5091] <... write resumed>) = 4 [pid 5090] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5091] close(3) = 0 [pid 5091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5088] <... socket resumed>) = 9 [pid 5091] <... bpf resumed>) = 3 [pid 5090] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5088] ioctl(9, SIOCSIFNAME, NULL [pid 5087] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] perf_event_open(NULL, 0, 2, -1, 0 [pid 5091] <... bpf resumed>) = 4 [pid 5090] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5088] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5090] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5090] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5087] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5090] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5087] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5090] <... bpf resumed>) = 7 [pid 5088] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5091] <... bpf resumed>) = 5 [pid 5090] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5091] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5090] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5091] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5091] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5090] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5091] perf_event_open( [pid 5087] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5091] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5090] <... openat resumed>) = -1 EEXIST (File exists) [pid 5091] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5090] perf_event_open( [pid 5089] +++ exited with 0 +++ [pid 5088] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5087] exit_group(0 [pid 5091] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5091] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5091] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5090] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5091] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5091] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5091] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5091] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5091] ioctl(9, SIOCSIFNAME, NULL [pid 5090] <... socket resumed>) = 9 [pid 5088] perf_event_open(NULL, 0, 2, -1, 0 [pid 5087] <... exit_group resumed>) = ? [pid 5091] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5090] ioctl(9, SIOCSIFNAME, NULL [pid 5088] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached [pid 5092] set_robust_list(0x555592841660, 24) = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5092 [pid 5092] <... prctl resumed>) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5092] <... openat resumed>) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5091] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5090] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5088] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] +++ exited with 0 +++ [pid 5092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5090] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5092] <... bpf resumed>) = 3 [pid 5091] perf_event_open(NULL, 0, 2, -1, 0 [pid 5088] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5091] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5090] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5088] exit_group(0 [pid 5092] <... bpf resumed>) = 4 [pid 5091] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5090] perf_event_open(NULL, 0, 2, -1, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5091] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5093 attached [pid 5092] <... bpf resumed>) = 5 [pid 5091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5090] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5093 [pid 5093] set_robust_list(0x555592841660, 24 [pid 5092] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5091] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5090] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5093] <... set_robust_list resumed>) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5093] <... prctl resumed>) = 0 [pid 5090] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5093] setpgid(0, 0 [pid 5090] exit_group(0 [pid 5093] <... setpgid resumed>) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... exit_group resumed>) = ? [pid 5093] <... openat resumed>) = 3 [pid 5092] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5091] exit_group(0 [pid 5093] write(3, "1000", 4 [pid 5092] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5093] <... write resumed>) = 4 [pid 5093] close(3) = 0 [pid 5093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5092] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5091] <... exit_group resumed>) = ? [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, 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 5092] perf_event_open( [pid 5093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5093] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5093] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5093] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5093] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5090] +++ exited with 0 +++ [pid 5093] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5093] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5093] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5093] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5093] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5093] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5092] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5091] +++ exited with 0 +++ [pid 5088] +++ exited with 0 +++ [pid 5092] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5092] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5092] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5092] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5092] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5092] perf_event_open( [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5092] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP./strace-static-x86_64: Process 5095 attached ./strace-static-x86_64: Process 5094 attached [pid 5093] <... socket resumed>) = 9 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached [pid 5095] set_robust_list(0x555592841660, 24 [pid 5094] set_robust_list(0x555592841660, 24 [pid 5093] ioctl(9, SIOCSIFNAME, NULL [pid 5092] <... socket resumed>) = 9 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5094 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5095 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] ioctl(9, SIOCSIFNAME, NULL [pid 5096] set_robust_list(0x555592841660, 24 [pid 5095] <... prctl resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5092] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5096 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] setpgid(0, 0 [pid 5094] <... prctl resumed>) = 0 [pid 5093] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5092] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5096] <... prctl resumed>) = 0 [pid 5095] <... setpgid resumed>) = 0 [pid 5094] setpgid(0, 0 [pid 5093] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5092] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5096] setpgid(0, 0 [pid 5094] <... setpgid resumed>) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] <... setpgid resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5092] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... openat resumed>) = 3 [pid 5094] <... openat resumed>) = 3 [pid 5093] perf_event_open(NULL, 0, 2, -1, 0 [pid 5092] exit_group(0 [pid 5093] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5092] <... exit_group resumed>) = ? [pid 5093] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5096] <... openat resumed>) = 3 [pid 5095] write(3, "1000", 4 [pid 5094] write(3, "1000", 4 [pid 5093] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] write(3, "1000", 4 [pid 5095] <... write resumed>) = 4 [pid 5096] <... write resumed>) = 4 [pid 5095] close(3 [pid 5096] close(3 [pid 5095] <... close resumed>) = 0 [pid 5094] <... write resumed>) = 4 [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5096] <... close resumed>) = 0 [pid 5095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] close(3) = 0 [pid 5093] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... bpf resumed>) = 3 [pid 5094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] exit_group(0 [pid 5095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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 resumed>) = 3 [pid 5093] <... exit_group resumed>) = ? [pid 5096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>) = 4 [pid 5094] <... bpf resumed>) = 3 [pid 5092] +++ exited with 0 +++ [pid 5096] <... bpf resumed>) = 4 [pid 5095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5095] <... bpf resumed>) = 5 [pid 5096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5095] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5096] <... bpf resumed>) = 5 [pid 5095] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5094] <... bpf resumed>) = 4 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5096] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5095] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5096] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5096] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5096] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5096] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5095] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5093] +++ exited with 0 +++ [pid 5096] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] perf_event_open( [pid 5094] <... bpf resumed>) = 5 [pid 5096] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5095] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5094] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached [pid 5096] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5095] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5094] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5075] --- 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 5096] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5094] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] set_robust_list(0x555592841660, 24) = 0 [pid 5096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5095] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5097] <... prctl resumed>) = 0 [pid 5095] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] setpgid(0, 0 [pid 5096] <... bpf resumed>) = 7 [pid 5095] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5094] perf_event_open( [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5097 ./strace-static-x86_64: Process 5098 attached [pid 5097] <... setpgid resumed>) = 0 [pid 5096] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5095] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5094] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5098] set_robust_list(0x555592841660, 24 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5096] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5095] <... bpf resumed>) = 7 [pid 5094] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5098 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] write(3, "1000", 4 [pid 5096] <... openat resumed>) = -1 EEXIST (File exists) [pid 5095] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5094] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... prctl resumed>) = 0 [pid 5097] <... write resumed>) = 4 [pid 5096] perf_event_open( [pid 5095] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5094] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5098] setpgid(0, 0 [pid 5097] close(3 [pid 5096] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5095] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5094] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... setpgid resumed>) = 0 [pid 5097] <... close resumed>) = 0 [pid 5096] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5095] <... openat resumed>) = -1 EEXIST (File exists) [pid 5094] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5096] <... socket resumed>) = 9 [pid 5095] perf_event_open( [pid 5094] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5096] ioctl(9, SIOCSIFNAME, NULL [pid 5098] <... openat resumed>) = 3 [pid 5097] <... bpf resumed>) = 3 [pid 5095] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5098] write(3, "1000", 4 [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5098] <... write resumed>) = 4 [pid 5094] <... bpf resumed>) = 7 [pid 5098] close(3 [pid 5097] <... bpf resumed>) = 4 [pid 5096] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5095] <... socket resumed>) = 9 [pid 5094] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5098] <... close resumed>) = 0 [pid 5097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5096] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5094] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5095] ioctl(9, SIOCSIFNAME, NULL [pid 5098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... bpf resumed>) = 5 [pid 5096] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5094] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5096] perf_event_open(NULL, 0, 2, -1, 0 [pid 5094] <... openat resumed>) = -1 EEXIST (File exists) [pid 5097] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5096] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5094] perf_event_open( [pid 5098] <... bpf resumed>) = 3 [pid 5097] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5096] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5097] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5096] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5094] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] perf_event_open( [pid 5096] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5094] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5098] <... bpf resumed>) = 4 [pid 5097] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5096] exit_group(0 [pid 5095] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5094] <... socket resumed>) = 9 [pid 5098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5097] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5098] <... bpf resumed>) = 5 [pid 5097] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... exit_group resumed>) = ? [pid 5098] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5094] ioctl(9, SIOCSIFNAME, NULL [pid 5098] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5097] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5094] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5098] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5097] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5098] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5097] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5095] perf_event_open(NULL, 0, 2, -1, 0 [pid 5094] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5098] perf_event_open( [pid 5097] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5095] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5095] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5098] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5097] <... bpf resumed>) = 7 [pid 5095] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5098] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5097] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5098] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5094] perf_event_open(NULL, 0, 2, -1, 0 [pid 5098] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5097] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5095] exit_group(0 [pid 5094] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5098] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... openat resumed>) = -1 EEXIST (File exists) [pid 5097] perf_event_open( [pid 5094] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5098] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5097] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5094] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5097] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5096] +++ exited with 0 +++ [pid 5095] <... exit_group resumed>) = ? [pid 5094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5097] <... socket resumed>) = 9 [pid 5097] ioctl(9, SIOCSIFNAME, NULL [pid 5094] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5098] <... bpf resumed>) = 7 [pid 5098] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5097] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5094] exit_group(0 [pid 5098] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5097] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5098] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5095] +++ exited with 0 +++ [pid 5094] <... exit_group resumed>) = ? [pid 5098] <... openat resumed>) = -1 EEXIST (File exists) [pid 5098] perf_event_open( [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5098] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5098] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP./strace-static-x86_64: Process 5099 attached ) = 9 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5099 [pid 5099] set_robust_list(0x555592841660, 24 [pid 5098] ioctl(9, SIOCSIFNAME, NULL [pid 5099] <... set_robust_list resumed>) = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5100 attached [pid 5098] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5097] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5100] set_robust_list(0x555592841660, 24 [pid 5099] <... prctl resumed>) = 0 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5100 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] setpgid(0, 0 [pid 5098] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5097] perf_event_open(NULL, 0, 2, -1, 0 [pid 5094] +++ exited with 0 +++ [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... setpgid resumed>) = 0 [pid 5097] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5100] setpgid(0, 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5097] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5100] <... setpgid resumed>) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5098] perf_event_open(NULL, 0, 2, -1, 0 [pid 5097] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] write(3, "1000", 4 [pid 5098] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5100] <... openat resumed>) = 3 [pid 5099] <... write resumed>) = 4 [pid 5098] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5097] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5100] write(3, "1000", 4 [pid 5099] close(3 [pid 5098] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] exit_group(0 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5101 [pid 5101] set_robust_list(0x555592841660, 24 [pid 5099] <... close resumed>) = 0 [pid 5098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5097] <... exit_group resumed>) = ? [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] <... write resumed>) = 4 [pid 5099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... bpf resumed>) = 3 [pid 5098] exit_group(0 [pid 5100] close(3 [pid 5101] <... prctl resumed>) = 0 [pid 5099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... exit_group resumed>) = ? [pid 5101] setpgid(0, 0 [pid 5100] <... close resumed>) = 0 [pid 5099] <... bpf resumed>) = 4 [pid 5101] <... setpgid resumed>) = 0 [pid 5100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5097] +++ exited with 0 +++ [pid 5099] <... bpf resumed>) = 5 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] <... openat resumed>) = 3 [pid 5099] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5100] <... bpf resumed>) = 3 [pid 5099] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5099] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0./strace-static-x86_64: Process 5102 attached [pid 5101] write(3, "1000", 4 [pid 5100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5101] <... write resumed>) = 4 [pid 5099] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5101] close(3 [pid 5102] set_robust_list(0x555592841660, 24 [pid 5101] <... close resumed>) = 0 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5099] perf_event_open( [pid 5102] <... prctl resumed>) = 0 [pid 5102] setpgid(0, 0 [pid 5101] <... bpf resumed>) = 3 [pid 5102] <... setpgid resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5102 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>) = 4 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5102] <... bpf resumed>) = 3 [pid 5102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5101] <... bpf resumed>) = 4 [pid 5100] <... bpf resumed>) = 5 [pid 5102] <... bpf resumed>) = 4 [pid 5101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5100] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5101] <... bpf resumed>) = 5 [pid 5100] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5102] <... bpf resumed>) = 5 [pid 5101] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5100] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5102] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5101] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5100] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5102] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5100] perf_event_open( [pid 5102] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5101] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5102] perf_event_open( [pid 5101] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5101] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5100] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5099] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5098] +++ exited with 0 +++ [pid 5102] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5102] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5101] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5100] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5102] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5102] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5101] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5100] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5102] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5101] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5100] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5102] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5101] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5100] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5102] <... bpf resumed>) = 7 [pid 5100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5102] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5101] <... bpf resumed>) = 7 [pid 5100] <... bpf resumed>) = 7 [pid 5101] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5102] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5101] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5100] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5102] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5101] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5100] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5102] <... openat resumed>) = -1 EEXIST (File exists) [pid 5101] <... openat resumed>) = -1 EEXIST (File exists) [pid 5100] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5099] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5102] perf_event_open( [pid 5101] perf_event_open( [pid 5100] <... openat resumed>) = -1 EEXIST (File exists) [pid 5102] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5101] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5102] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5100] perf_event_open( [pid 5099] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... restart_syscall resumed>) = 0 [pid 5102] <... socket resumed>) = 9 [pid 5101] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5100] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5099] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5102] ioctl(9, SIOCSIFNAME, NULL [pid 5100] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5099] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5101] <... socket resumed>) = 9 [pid 5100] <... socket resumed>) = 9 [pid 5099] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached [pid 5102] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5101] ioctl(9, SIOCSIFNAME, NULL [pid 5100] ioctl(9, SIOCSIFNAME, NULL [pid 5099] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5103] set_robust_list(0x555592841660, 24 [pid 5102] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5101] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5101] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5099] <... bpf resumed>) = 7 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5100] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5103] <... prctl resumed>) = 0 [pid 5102] perf_event_open(NULL, 0, 2, -1, 0 [pid 5101] perf_event_open(NULL, 0, 2, -1, 0 [pid 5100] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5099] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5103 [pid 5103] setpgid(0, 0 [pid 5102] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5101] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5100] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5099] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5103] <... setpgid resumed>) = 0 [pid 5102] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5099] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5100] perf_event_open(NULL, 0, 2, -1, 0 [pid 5099] <... openat resumed>) = -1 EEXIST (File exists) [pid 5103] <... openat resumed>) = 3 [pid 5102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5101] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5099] perf_event_open( [pid 5103] write(3, "1000", 4 [pid 5102] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5103] <... write resumed>) = 4 [pid 5102] exit_group(0 [pid 5101] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5100] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5099] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5103] close(3 [pid 5102] <... exit_group resumed>) = ? [pid 5101] exit_group(0 [pid 5100] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5099] <... socket resumed>) = 9 [pid 5100] exit_group(0 [pid 5099] ioctl(9, SIOCSIFNAME, NULL [pid 5100] <... exit_group resumed>) = ? [pid 5099] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5103] <... close resumed>) = 0 [pid 5101] <... exit_group resumed>) = ? [pid 5099] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0) = -1 EFAULT (Bad address) [pid 5103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5099] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5103] <... bpf resumed>) = 3 [pid 5099] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5099] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... bpf resumed>) = 4 [pid 5102] +++ exited with 0 +++ [pid 5099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5069] --- 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 5103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5101] +++ exited with 0 +++ [pid 5099] exit_group(0 [pid 5100] +++ exited with 0 +++ [pid 5099] <... exit_group resumed>) = ? [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5103] <... bpf resumed>) = 5 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached ./strace-static-x86_64: Process 5105 attached [pid 5103] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5105] set_robust_list(0x555592841660, 24 [pid 5104] set_robust_list(0x555592841660, 24 [pid 5103] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5104 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5103] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5103] perf_event_open( [pid 5105] <... prctl resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5105 [pid 5105] setpgid(0, 0) = 0 [pid 5104] <... prctl resumed>) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] setpgid(0, 0./strace-static-x86_64: Process 5106 attached [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5106 [pid 5106] set_robust_list(0x555592841660, 24 [pid 5105] <... openat resumed>) = 3 [pid 5104] <... setpgid resumed>) = 0 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] write(3, "1000", 4 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] <... prctl resumed>) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... write resumed>) = 4 [pid 5105] close(3) = 0 [pid 5104] <... openat resumed>) = 3 [pid 5105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5104] write(3, "1000", 4) = 4 [pid 5105] <... bpf resumed>) = 3 [pid 5104] close(3 [pid 5106] <... openat resumed>) = 3 [pid 5105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5104] <... close resumed>) = 0 [pid 5106] write(3, "1000", 4) = 4 [pid 5104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] close(3 [pid 5105] <... bpf resumed>) = 4 [pid 5106] <... close resumed>) = 0 [pid 5106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5104] <... bpf resumed>) = 3 [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, 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 5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5104] <... bpf resumed>) = 4 [pid 5104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5099] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5105] <... bpf resumed>) = 5 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5106] <... bpf resumed>) = 5 [pid 5103] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 ./strace-static-x86_64: Process 5107 attached [pid 5106] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5105] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5104] <... bpf resumed>) = 5 [pid 5103] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5107] set_robust_list(0x555592841660, 24 [pid 5106] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5105] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5106] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5106] perf_event_open( [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5105] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5104] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5103] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5107 [pid 5105] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5104] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5103] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5105] perf_event_open( [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5103] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5105] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5103] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5107] <... prctl resumed>) = 0 [pid 5106] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5104] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5103] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5106] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5106] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5107] setpgid(0, 0 [pid 5103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5107] <... setpgid resumed>) = 0 [pid 5106] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5105] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5104] perf_event_open( [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5103] <... bpf resumed>) = 7 [pid 5107] <... openat resumed>) = 3 [pid 5106] <... bpf resumed>) = 7 [pid 5104] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5103] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5106] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5105] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5103] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5105] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5106] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5103] <... openat resumed>) = -1 EEXIST (File exists) [pid 5107] write(3, "1000", 4 [pid 5105] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5103] perf_event_open( [pid 5107] <... write resumed>) = 4 [pid 5105] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5107] close(3 [pid 5106] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5105] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5104] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5107] <... close resumed>) = 0 [pid 5106] <... openat resumed>) = -1 EEXIST (File exists) [pid 5105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5104] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5103] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] perf_event_open( [pid 5105] <... bpf resumed>) = 7 [pid 5104] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5106] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5107] <... bpf resumed>) = 3 [pid 5106] <... socket resumed>) = 9 [pid 5105] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5104] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5103] <... socket resumed>) = 9 [pid 5107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] ioctl(9, SIOCSIFNAME, NULL [pid 5105] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5104] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5107] <... bpf resumed>) = 4 [pid 5106] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5105] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5103] ioctl(9, SIOCSIFNAME, NULL [pid 5107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5106] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5105] <... openat resumed>) = -1 EEXIST (File exists) [pid 5107] <... bpf resumed>) = 5 [pid 5106] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5105] perf_event_open( [pid 5104] <... bpf resumed>) = 7 [pid 5103] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5105] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5104] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5107] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5105] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5107] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5106] perf_event_open(NULL, 0, 2, -1, 0 [pid 5104] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5107] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5106] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5107] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5106] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5104] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5103] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5107] perf_event_open( [pid 5106] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] <... openat resumed>) = -1 EEXIST (File exists) [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5107] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5106] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5106] exit_group(0 [pid 5103] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5104] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5106] <... exit_group resumed>) = ? [pid 5104] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5107] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5105] <... socket resumed>) = 9 [pid 5104] <... socket resumed>) = 9 [pid 5103] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5103] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5107] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5105] ioctl(9, SIOCSIFNAME, NULL [pid 5104] ioctl(9, SIOCSIFNAME, NULL [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5107] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5107] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5105] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5104] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5103] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5104] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5106] +++ exited with 0 +++ [pid 5104] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5103] exit_group(0 [pid 5107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5104] perf_event_open(NULL, 0, 2, -1, 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5104] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5071] <... restart_syscall resumed>) = 0 [pid 5107] <... bpf resumed>) = 7 [pid 5104] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5105] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5104] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... exit_group resumed>) = ? [pid 5107] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5105] perf_event_open(NULL, 0, 2, -1, 0 [pid 5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5104] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5105] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5104] exit_group(0./strace-static-x86_64: Process 5108 attached [pid 5107] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5108 [pid 5108] set_robust_list(0x555592841660, 24 [pid 5107] <... openat resumed>) = -1 EEXIST (File exists) [pid 5105] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5104] <... exit_group resumed>) = ? [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] perf_event_open( [pid 5105] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5107] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5108] <... prctl resumed>) = 0 [pid 5107] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5108] setpgid(0, 0 [pid 5107] <... socket resumed>) = 9 [pid 5105] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5104] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ [pid 5108] <... setpgid resumed>) = 0 [pid 5107] ioctl(9, SIOCSIFNAME, NULL [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5108] <... openat resumed>) = 3 [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5108] write(3, "1000", 4) = 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] close(3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] <... close resumed>) = 0 [pid 5108] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5110 attached ) = 3 [pid 5107] <... ioctl resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5109 attached [pid 5110] set_robust_list(0x555592841660, 24 [pid 5108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5105] exit_group(0 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5110 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5109 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] set_robust_list(0x555592841660, 24 [pid 5108] <... bpf resumed>) = 4 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5110] setpgid(0, 0 [pid 5108] <... bpf resumed>) = 5 [pid 5110] <... setpgid resumed>) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5110] <... openat resumed>) = 3 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5105] <... exit_group resumed>) = ? [pid 5110] write(3, "1000", 4 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5108] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5110] <... write resumed>) = 4 [pid 5108] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5110] close(3 [pid 5108] perf_event_open( [pid 5110] <... close resumed>) = 0 [pid 5108] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5108] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] <... bpf resumed>) = 4 [pid 5108] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5108] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5108] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5108] <... bpf resumed>) = 7 [pid 5110] <... bpf resumed>) = 5 [pid 5108] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5110] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5108] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5108] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5110] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5108] <... openat resumed>) = -1 EEXIST (File exists) [pid 5110] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5108] perf_event_open( [pid 5110] perf_event_open( [pid 5108] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5110] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5109] <... prctl resumed>) = 0 [pid 5108] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5110] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5109] setpgid(0, 0 [pid 5108] <... socket resumed>) = 9 [pid 5110] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5109] <... setpgid resumed>) = 0 [pid 5107] perf_event_open(NULL, 0, 2, -1, 0 [pid 5108] ioctl(9, SIOCSIFNAME, NULL) = -1 EFAULT (Bad address) [pid 5107] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5110] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5107] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5110] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5109] <... openat resumed>) = 3 [pid 5108] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5108] perf_event_open(NULL, 0, 2, -1, 0 [pid 5107] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5110] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5108] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5110] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5108] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5110] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5108] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] <... openat resumed>) = -1 EEXIST (File exists) [pid 5108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5110] perf_event_open( [pid 5109] write(3, "1000", 4 [pid 5108] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5107] exit_group(0 [pid 5110] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5109] <... write resumed>) = 4 [pid 5108] exit_group(0 [pid 5107] <... exit_group resumed>) = ? [pid 5105] +++ exited with 0 +++ [pid 5110] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5109] close(3 [pid 5110] <... socket resumed>) = 9 [pid 5108] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5110] ioctl(9, SIOCSIFNAME, NULL [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached [pid 5110] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5109] <... close resumed>) = 0 [pid 5111] set_robust_list(0x555592841660, 24 [pid 5107] +++ exited with 0 +++ [pid 5109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... set_robust_list resumed>) = 0 [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 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5109] <... bpf resumed>) = 3 [pid 5111] <... prctl resumed>) = 0 [pid 5110] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5111] setpgid(0, 0) = 0 [pid 5110] perf_event_open(NULL, 0, 2, -1, 0 [pid 5109] <... bpf resumed>) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5111 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5111] <... openat resumed>) = 3 [pid 5110] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5111] write(3, "1000", 4 [pid 5110] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5111] <... write resumed>) = 4 [pid 5110] <... bpf resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5112 attached [pid 5111] close(3 [pid 5110] exit_group(0 [pid 5112] set_robust_list(0x555592841660, 24 [pid 5111] <... close resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5112 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] <... bpf resumed>) = 3 [pid 5112] <... prctl resumed>) = 0 [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] setpgid(0, 0 [pid 5111] <... bpf resumed>) = 4 [pid 5109] <... bpf resumed>) = 5 [pid 5108] +++ exited with 0 +++ [pid 5112] <... setpgid resumed>) = 0 [pid 5111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5109] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] <... bpf resumed>) = 5 [pid 5109] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5112] <... openat resumed>) = 3 [pid 5111] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5109] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] write(3, "1000", 4 [pid 5111] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... bpf resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5113 attached [pid 5112] <... write resumed>) = 4 [pid 5111] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5109] perf_event_open( [pid 5113] set_robust_list(0x555592841660, 24 [pid 5112] close(3 [pid 5111] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5111] perf_event_open( [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5113 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5113] <... prctl resumed>) = 0 [pid 5112] <... bpf resumed>) = 3 [pid 5113] setpgid(0, 0 [pid 5112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... setpgid resumed>) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... bpf resumed>) = 4 [pid 5113] <... openat resumed>) = 3 [pid 5112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5113] write(3, "1000", 4 [pid 5112] <... bpf resumed>) = 5 [pid 5113] <... write resumed>) = 4 [pid 5112] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5113] close(3 [pid 5112] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5110] +++ exited with 0 +++ [pid 5113] <... close resumed>) = 0 [pid 5112] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5109] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5111] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5109] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5113] <... bpf resumed>) = 3 [pid 5112] perf_event_open( [pid 5111] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5109] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5111] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached [pid 5113] <... bpf resumed>) = 4 [pid 5112] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5111] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5109] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] set_robust_list(0x555592841660, 24 [pid 5113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5112] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5111] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5112] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5113] <... bpf resumed>) = 5 [pid 5109] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5114] <... prctl resumed>) = 0 [pid 5113] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5112] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5111] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5114] setpgid(0, 0 [pid 5113] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5112] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5114] <... setpgid resumed>) = 0 [pid 5113] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5112] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5109] <... bpf resumed>) = 7 [pid 5111] <... bpf resumed>) = 7 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5112] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5111] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5109] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5114 [pid 5114] <... openat resumed>) = 3 [pid 5113] perf_event_open( [pid 5112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5111] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5114] write(3, "1000", 4 [pid 5113] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5112] <... bpf resumed>) = 7 [pid 5111] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5109] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5114] <... write resumed>) = 4 [pid 5113] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5112] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5111] <... openat resumed>) = -1 EEXIST (File exists) [pid 5109] <... openat resumed>) = -1 EEXIST (File exists) [pid 5114] close(3 [pid 5113] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5111] perf_event_open( [pid 5109] perf_event_open( [pid 5114] <... close resumed>) = 0 [pid 5113] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5112] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5111] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5109] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5113] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... openat resumed>) = -1 EEXIST (File exists) [pid 5111] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5114] <... bpf resumed>) = 3 [pid 5113] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5109] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5112] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5111] <... socket resumed>) = 9 [pid 5112] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5112] <... socket resumed>) = 9 [pid 5109] <... socket resumed>) = 9 [pid 5111] ioctl(9, SIOCSIFNAME, NULL [pid 5113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5112] ioctl(9, SIOCSIFNAME, NULL [pid 5114] <... bpf resumed>) = 4 [pid 5114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5113] <... bpf resumed>) = 7 [pid 5112] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5111] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5109] ioctl(9, SIOCSIFNAME, NULL [pid 5113] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5112] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5114] <... bpf resumed>) = 5 [pid 5113] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5112] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5111] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5109] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5114] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5113] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5114] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5113] <... openat resumed>) = -1 EEXIST (File exists) [pid 5112] perf_event_open(NULL, 0, 2, -1, 0 [pid 5109] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5114] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5113] perf_event_open( [pid 5112] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5111] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5114] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5112] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5111] perf_event_open(NULL, 0, 2, -1, 0 [pid 5109] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5113] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5112] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5109] perf_event_open(NULL, 0, 2, -1, 0 [pid 5112] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5111] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5114] perf_event_open( [pid 5113] <... socket resumed>) = 9 [pid 5112] exit_group(0 [pid 5111] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5114] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5112] <... exit_group resumed>) = ? [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5109] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5114] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5113] ioctl(9, SIOCSIFNAME, NULL [pid 5111] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5111] exit_group(0 [pid 5109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5114] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5109] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5114] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5111] <... exit_group resumed>) = ? [pid 5109] exit_group(0 [pid 5114] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5113] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5109] <... exit_group resumed>) = ? [pid 5114] <... bpf resumed>) = 7 [pid 5114] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5114] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5113] perf_event_open(NULL, 0, 2, -1, 0 [pid 5114] perf_event_open( [pid 5113] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5112] +++ exited with 0 +++ [pid 5114] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5113] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5114] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5113] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... socket resumed>) = 9 [pid 5111] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 5115 attached [pid 5114] ioctl(9, SIOCSIFNAME, NULL [pid 5069] --- 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 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5115] set_robust_list(0x555592841660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5115 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... prctl resumed>) = 0 [pid 5115] setpgid(0, 0) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5113] exit_group(0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached ./strace-static-x86_64: Process 5117 attached [pid 5115] write(3, "1000", 4 [pid 5114] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5113] <... exit_group resumed>) = ? [pid 5117] set_robust_list(0x555592841660, 24 [pid 5116] set_robust_list(0x555592841660, 24 [pid 5115] <... write resumed>) = 4 [pid 5114] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] close(3) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... prctl resumed>) = 0 [pid 5117] <... prctl resumed>) = 0 [pid 5116] setpgid(0, 0 [pid 5115] <... bpf resumed>) = 3 [pid 5114] perf_event_open(NULL, 0, 2, -1, 0 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5117 [pid 5114] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5116 [pid 5114] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5117] setpgid(0, 0 [pid 5116] <... setpgid resumed>) = 0 [pid 5115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... setpgid resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] <... openat resumed>) = 3 [pid 5115] <... bpf resumed>) = 4 [pid 5114] exit_group(0 [pid 5117] <... openat resumed>) = 3 [pid 5116] write(3, "1000", 4 [pid 5114] <... exit_group resumed>) = ? [pid 5115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5117] write(3, "1000", 4 [pid 5116] <... write resumed>) = 4 [pid 5113] +++ exited with 0 +++ [pid 5117] <... write resumed>) = 4 [pid 5116] close(3) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5115] <... bpf resumed>) = 5 [pid 5117] close(3 [pid 5116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5117] <... close resumed>) = 0 [pid 5116] <... bpf resumed>) = 3 [pid 5115] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5117] <... bpf resumed>) = 3 [pid 5115] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5115] perf_event_open( [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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 resumed>) = 4 ./strace-static-x86_64: Process 5118 attached [pid 5117] <... bpf resumed>) = 4 [pid 5116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5118] set_robust_list(0x555592841660, 24 [pid 5117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5118 [pid 5118] <... prctl resumed>) = 0 [pid 5114] +++ exited with 0 +++ [pid 5118] setpgid(0, 0 [pid 5117] <... bpf resumed>) = 5 [pid 5116] <... bpf resumed>) = 5 [pid 5115] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5075] --- 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 5118] <... setpgid resumed>) = 0 [pid 5117] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5116] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5116] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5115] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5118] <... openat resumed>) = 3 [pid 5117] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5116] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5115] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached [pid 5117] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5116] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5117] perf_event_open( [pid 5116] perf_event_open( [pid 5118] write(3, "1000", 4 [pid 5115] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5118] <... write resumed>) = 4 [pid 5115] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5119 [pid 5118] close(3 [pid 5115] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5118] <... close resumed>) = 0 [pid 5115] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5119] set_robust_list(0x555592841660, 24 [pid 5118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... bpf resumed>) = 3 [pid 5117] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5116] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5115] <... bpf resumed>) = 7 [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] <... bpf resumed>) = 4 [pid 5117] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5116] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5115] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... prctl resumed>) = 0 [pid 5117] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5119] setpgid(0, 0 [pid 5117] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5116] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5119] <... setpgid resumed>) = 0 [pid 5117] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5116] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5115] <... openat resumed>) = -1 EEXIST (File exists) [pid 5118] <... bpf resumed>) = 5 [pid 5117] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5116] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5115] perf_event_open( [pid 5119] <... openat resumed>) = 3 [pid 5118] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5115] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5119] write(3, "1000", 4 [pid 5118] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5117] <... bpf resumed>) = 7 [pid 5116] <... bpf resumed>) = 7 [pid 5115] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5119] <... write resumed>) = 4 [pid 5118] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5117] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5116] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5119] close(3 [pid 5118] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5117] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5116] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5115] <... socket resumed>) = 9 [pid 5119] <... close resumed>) = 0 [pid 5118] perf_event_open( [pid 5117] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5116] <... openat resumed>) = -1 EEXIST (File exists) [pid 5119] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5116] perf_event_open( [pid 5115] ioctl(9, SIOCSIFNAME, NULL [pid 5117] <... openat resumed>) = -1 EEXIST (File exists) [pid 5119] <... bpf resumed>) = 3 [pid 5119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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( [pid 5116] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5115] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5117] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5118] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5116] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5115] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5119] <... bpf resumed>) = 4 [pid 5118] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5115] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5118] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5115] perf_event_open(NULL, 0, 2, -1, 0 [pid 5118] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5115] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5118] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5116] <... socket resumed>) = 9 [pid 5115] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5115] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... bpf resumed>) = 7 [pid 5115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5118] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5117] <... socket resumed>) = 9 [pid 5116] ioctl(9, SIOCSIFNAME, NULL [pid 5115] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5118] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5115] exit_group(0 [pid 5118] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5116] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5119] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5118] <... openat resumed>) = -1 EEXIST (File exists) [pid 5117] ioctl(9, SIOCSIFNAME, NULL [pid 5119] <... bpf resumed>) = 5 [pid 5118] perf_event_open( [pid 5116] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5115] <... exit_group resumed>) = ? [pid 5119] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5118] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5117] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5116] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5115] +++ exited with 0 +++ [pid 5119] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5118] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5116] perf_event_open(NULL, 0, 2, -1, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5119] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5118] <... socket resumed>) = 9 [pid 5117] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5119] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5119] perf_event_open( [pid 5118] ioctl(9, SIOCSIFNAME, NULL [pid 5116] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5119] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5118] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5116] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5119] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5118] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5117] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached [pid 5119] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5117] perf_event_open(NULL, 0, 2, -1, 0 [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5120] set_robust_list(0x555592841660, 24 [pid 5119] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5118] perf_event_open(NULL, 0, 2, -1, 0 [pid 5117] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5116] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5120 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5117] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5119] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5118] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5117] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5119] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5116] exit_group(0 [pid 5120] <... prctl resumed>) = 0 [pid 5119] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5117] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5116] <... exit_group resumed>) = ? [pid 5120] setpgid(0, 0 [pid 5119] <... bpf resumed>) = 7 [pid 5118] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5117] exit_group(0 [pid 5118] exit_group(0) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5120] <... setpgid resumed>) = 0 [pid 5119] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5120] <... openat resumed>) = 3 [pid 5119] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5118] +++ exited with 0 +++ [pid 5116] +++ exited with 0 +++ [pid 5119] <... openat resumed>) = -1 EEXIST (File exists) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5120] write(3, "1000", 4 [pid 5119] perf_event_open( [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5119] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5120] <... write resumed>) = 4 [pid 5119] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] <... socket resumed>) = 9 ./strace-static-x86_64: Process 5122 attached ./strace-static-x86_64: Process 5121 attached [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5122 [pid 5121] set_robust_list(0x555592841660, 24 [pid 5122] set_robust_list(0x555592841660, 24 [pid 5120] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5121 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5122] <... set_robust_list resumed>) = 0 [pid 5120] <... close resumed>) = 0 [pid 5119] ioctl(9, SIOCSIFNAME, NULL [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5121] <... prctl resumed>) = 0 [pid 5121] setpgid(0, 0) = 0 [pid 5122] <... prctl resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] setpgid(0, 0 [pid 5121] <... openat resumed>) = 3 [pid 5122] <... setpgid resumed>) = 0 [pid 5120] <... bpf resumed>) = 3 [pid 5121] write(3, "1000", 4 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5121] <... write resumed>) = 4 [pid 5122] <... openat resumed>) = 3 [pid 5120] <... bpf resumed>) = 4 [pid 5119] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5121] close(3 [pid 5122] write(3, "1000", 4 [pid 5120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5119] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5121] <... close resumed>) = 0 [pid 5122] <... write resumed>) = 4 [pid 5121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5122] close(3 [pid 5120] <... bpf resumed>) = 5 [pid 5121] <... bpf resumed>) = 3 [pid 5122] <... close resumed>) = 0 [pid 5120] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5119] perf_event_open(NULL, 0, 2, -1, 0 [pid 5121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5120] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5121] <... bpf resumed>) = 4 [pid 5122] <... bpf resumed>) = 3 [pid 5117] +++ exited with 0 +++ [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5119] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5121] <... bpf resumed>) = 5 [pid 5122] <... bpf resumed>) = 4 [pid 5120] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5119] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5120] perf_event_open( [pid 5121] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5121] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5122] <... bpf resumed>) = 5 [pid 5120] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5121] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5122] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5121] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5122] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5121] perf_event_open( [pid 5122] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5121] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5122] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5120] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5119] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5121] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5122] perf_event_open( [pid 5120] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5121] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5121] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5122] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5121] <... bpf resumed>) = 7 [pid 5122] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5122] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5121] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5122] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5122] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5121] <... openat resumed>) = -1 EEXIST (File exists) [pid 5122] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5121] perf_event_open( [pid 5122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5121] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5122] <... bpf resumed>) = 7 [pid 5119] exit_group(0 [pid 5120] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5121] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5122] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5120] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5123 attached [pid 5121] <... socket resumed>) = 9 [pid 5122] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5120] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5119] <... exit_group resumed>) = ? [pid 5123] set_robust_list(0x555592841660, 24 [pid 5121] ioctl(9, SIOCSIFNAME, NULL [pid 5122] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5120] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5123] <... set_robust_list resumed>) = 0 [pid 5121] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5122] <... openat resumed>) = -1 EEXIST (File exists) [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5123 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5123] <... prctl resumed>) = 0 [pid 5121] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5122] perf_event_open( [pid 5120] <... bpf resumed>) = 7 [pid 5123] setpgid(0, 0 [pid 5121] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5122] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5123] <... setpgid resumed>) = 0 [pid 5122] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5120] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] perf_event_open(NULL, 0, 2, -1, 0 [pid 5122] <... socket resumed>) = 9 [pid 5121] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5122] ioctl(9, SIOCSIFNAME, NULL [pid 5123] <... openat resumed>) = 3 [pid 5121] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5122] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5120] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5119] +++ exited with 0 +++ [pid 5123] write(3, "1000", 4 [pid 5121] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5123] <... write resumed>) = 4 [pid 5121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5122] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5120] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5123] close(3 [pid 5121] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5123] <... close resumed>) = 0 [pid 5121] exit_group(0 [pid 5120] <... openat resumed>) = -1 EEXIST (File exists) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5122] perf_event_open(NULL, 0, 2, -1, 0 [pid 5120] perf_event_open( [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5123] <... bpf resumed>) = 3 [pid 5121] <... exit_group resumed>) = ? [pid 5122] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5120] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 ./strace-static-x86_64: Process 5124 attached [pid 5123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5124] set_robust_list(0x555592841660, 24 [pid 5120] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5124 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] <... bpf resumed>) = 4 [pid 5121] +++ exited with 0 +++ [pid 5122] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5122] exit_group(0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5123] <... bpf resumed>) = 5 [pid 5122] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5125 attached [pid 5124] <... prctl resumed>) = 0 [pid 5123] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5120] <... socket resumed>) = 9 [pid 5125] set_robust_list(0x555592841660, 24 [pid 5123] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... set_robust_list resumed>) = 0 [pid 5123] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5124] setpgid(0, 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5120] ioctl(9, SIOCSIFNAME, NULL [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5125 [pid 5125] <... prctl resumed>) = 0 [pid 5124] <... setpgid resumed>) = 0 [pid 5123] perf_event_open( [pid 5120] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5125] setpgid(0, 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5125] <... setpgid resumed>) = 0 [pid 5124] <... openat resumed>) = 3 [pid 5123] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5122] +++ exited with 0 +++ [pid 5120] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] write(3, "1000", 4 [pid 5123] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5125] <... openat resumed>) = 3 [pid 5124] <... write resumed>) = 4 [pid 5123] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5125] write(3, "1000", 4 [pid 5124] close(3 [pid 5123] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... write resumed>) = 4 [pid 5123] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5125] close(3 [pid 5123] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5125] <... close resumed>) = 0 [pid 5124] <... close resumed>) = 0 [pid 5123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... bpf resumed>) = 7 [pid 5125] <... bpf resumed>) = 3 [pid 5123] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5123] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5123] <... openat resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5126 attached [pid 5125] <... bpf resumed>) = 4 [pid 5124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] perf_event_open( [pid 5120] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5126] set_robust_list(0x555592841660, 24 [pid 5125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5124] <... bpf resumed>) = 3 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5126 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5125] <... bpf resumed>) = 5 [pid 5124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5123] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5120] perf_event_open(NULL, 0, 2, -1, 0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5124] <... bpf resumed>) = 4 [pid 5123] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5126] <... prctl resumed>) = 0 [pid 5125] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5123] <... socket resumed>) = 9 [pid 5120] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5126] setpgid(0, 0 [pid 5125] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5123] ioctl(9, SIOCSIFNAME, NULL [pid 5126] <... setpgid resumed>) = 0 [pid 5125] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5124] <... bpf resumed>) = 5 [pid 5123] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5120] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5125] perf_event_open( [pid 5124] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5125] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5124] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5123] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5120] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... openat resumed>) = 3 [pid 5125] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5124] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5123] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5126] write(3, "1000", 4 [pid 5125] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5123] perf_event_open(NULL, 0, 2, -1, 0 [pid 5120] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5126] <... write resumed>) = 4 [pid 5125] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5124] perf_event_open( [pid 5123] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5125] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5125] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5124] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5123] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5123] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5126] close(3 [pid 5125] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5123] exit_group(0 [pid 5120] exit_group(0 [pid 5125] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5125] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5126] <... close resumed>) = 0 [pid 5125] <... openat resumed>) = -1 EEXIST (File exists) [pid 5124] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5123] <... exit_group resumed>) = ? [pid 5120] <... exit_group resumed>) = ? [pid 5126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5125] perf_event_open( [pid 5124] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... bpf resumed>) = 3 [pid 5125] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5124] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5125] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5124] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5124] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5123] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ [pid 5125] ioctl(9, SIOCSIFNAME, NULL [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5126] <... bpf resumed>) = 4 [pid 5125] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5124] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5125] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5126] <... bpf resumed>) = 5 [pid 5125] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5126] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5124] <... bpf resumed>) = 7 [pid 5124] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5126] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5124] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5126] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5125] perf_event_open(NULL, 0, 2, -1, 0 [pid 5124] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5126] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5125] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5127 attached [pid 5125] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5127] set_robust_list(0x555592841660, 24 [pid 5125] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5128 attached [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] perf_event_open( [pid 5125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5124] <... openat resumed>) = -1 EEXIST (File exists) [pid 5128] set_robust_list(0x555592841660, 24 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] <... set_robust_list resumed>) = 0 [pid 5126] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5125] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5124] perf_event_open( [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] <... prctl resumed>) = 0 [pid 5126] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5125] exit_group(0 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5127 [pid 5128] <... prctl resumed>) = 0 [pid 5127] setpgid(0, 0 [pid 5126] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... exit_group resumed>) = ? [pid 5124] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5128 [pid 5128] setpgid(0, 0 [pid 5127] <... setpgid resumed>) = 0 [pid 5126] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5124] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5128] <... setpgid resumed>) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5126] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] +++ exited with 0 +++ [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5127] <... openat resumed>) = 3 [pid 5127] write(3, "1000", 4 [pid 5126] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5127] <... write resumed>) = 4 [pid 5126] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5128] write(3, "1000", 4 [pid 5127] close(3) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5128] <... write resumed>) = 4 [pid 5127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5128] close(3 [pid 5127] <... bpf resumed>) = 3 [pid 5127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5128] <... close resumed>) = 0 [pid 5127] <... bpf resumed>) = 4 [pid 5126] <... bpf resumed>) = 7 [pid 5124] <... socket resumed>) = 9 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 5129 attached ) = 5 [pid 5126] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5124] ioctl(9, SIOCSIFNAME, NULL [pid 5128] <... bpf resumed>) = 3 [pid 5129] set_robust_list(0x555592841660, 24 [pid 5128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5126] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5124] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5129 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5127] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5126] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] <... bpf resumed>) = 4 [pid 5127] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5126] <... openat resumed>) = -1 EEXIST (File exists) [pid 5129] <... prctl resumed>) = 0 [pid 5127] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5126] perf_event_open( [pid 5129] setpgid(0, 0 [pid 5128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5127] perf_event_open( [pid 5126] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5124] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5129] <... setpgid resumed>) = 0 [pid 5128] <... bpf resumed>) = 5 [pid 5127] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5126] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5128] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5127] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5126] <... socket resumed>) = 9 [pid 5124] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5129] write(3, "1000", 4 [pid 5128] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5127] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] perf_event_open(NULL, 0, 2, -1, 0 [pid 5129] <... write resumed>) = 4 [pid 5128] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5127] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5126] ioctl(9, SIOCSIFNAME, NULL [pid 5129] close(3 [pid 5128] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5127] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5124] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5129] <... close resumed>) = 0 [pid 5128] perf_event_open( [pid 5127] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5126] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5124] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5127] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5126] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5124] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... bpf resumed>) = 3 [pid 5128] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5126] perf_event_open(NULL, 0, 2, -1, 0 [pid 5124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5128] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] <... bpf resumed>) = 7 [pid 5126] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5124] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5128] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5127] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5126] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5127] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5126] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... bpf resumed>) = 4 [pid 5127] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5128] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] <... openat resumed>) = -1 EEXIST (File exists) [pid 5126] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5127] perf_event_open( [pid 5129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5128] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5127] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5126] exit_group(0 [pid 5124] exit_group(0 [pid 5129] <... bpf resumed>) = 5 [pid 5128] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5127] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5129] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5127] <... socket resumed>) = 9 [pid 5126] <... exit_group resumed>) = ? [pid 5124] <... exit_group resumed>) = ? [pid 5129] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5128] <... bpf resumed>) = 7 [pid 5127] ioctl(9, SIOCSIFNAME, NULL [pid 5128] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5129] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5128] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5129] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5128] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5129] perf_event_open( [pid 5127] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5126] +++ exited with 0 +++ [pid 5124] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5129] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5128] <... openat resumed>) = -1 EEXIST (File exists) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5129] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5128] perf_event_open( [pid 5127] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5129] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5127] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5129] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5128] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5129] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... socket resumed>) = 9 [pid 5127] perf_event_open(NULL, 0, 2, -1, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5129] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5128] ioctl(9, SIOCSIFNAME, NULL [pid 5127] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5130 attached [pid 5129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5128] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5127] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5130] set_robust_list(0x555592841660, 24 [pid 5129] <... bpf resumed>) = 7 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5129] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5127] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5128] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5130 ./strace-static-x86_64: Process 5131 attached [pid 5130] <... prctl resumed>) = 0 [pid 5129] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5128] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5127] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5131 [pid 5130] setpgid(0, 0 [pid 5129] <... openat resumed>) = -1 EEXIST (File exists) [pid 5131] set_robust_list(0x555592841660, 24 [pid 5129] perf_event_open( [pid 5128] perf_event_open(NULL, 0, 2, -1, 0 [pid 5127] exit_group(0 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5130] <... setpgid resumed>) = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5128] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5127] <... exit_group resumed>) = ? [pid 5131] <... prctl resumed>) = 0 [pid 5130] <... openat resumed>) = 3 [pid 5129] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5131] setpgid(0, 0 [pid 5130] write(3, "1000", 4 [pid 5129] <... socket resumed>) = 9 [pid 5128] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5127] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5131] <... setpgid resumed>) = 0 [pid 5130] <... write resumed>) = 4 [pid 5129] ioctl(9, SIOCSIFNAME, NULL [pid 5128] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] close(3 [pid 5129] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5129] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5131] <... openat resumed>) = 3 [pid 5130] <... close resumed>) = 0 [pid 5129] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5128] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5130] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5129] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5129] recvmsg(-1, NULL, MSG_DONTWAIT./strace-static-x86_64: Process 5132 attached [pid 5131] write(3, "1000", 4 [pid 5130] <... bpf resumed>) = 3 [pid 5128] exit_group(0 [pid 5132] set_robust_list(0x555592841660, 24 [pid 5131] <... write resumed>) = 4 [pid 5130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5129] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... exit_group resumed>) = ? [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] close(3 [pid 5129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5132 [pid 5131] <... close resumed>) = 0 [pid 5129] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] <... bpf resumed>) = 3 [pid 5130] <... bpf resumed>) = 4 [pid 5129] exit_group(0 [pid 5132] <... prctl resumed>) = 0 [pid 5131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5132] setpgid(0, 0 [pid 5131] <... bpf resumed>) = 4 [pid 5132] <... setpgid resumed>) = 0 [pid 5130] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] <... bpf resumed>) = 5 [pid 5129] <... exit_group resumed>) = ? [pid 5132] <... openat resumed>) = 3 [pid 5131] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5130] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5132] write(3, "1000", 4 [pid 5131] <... bpf resumed>) = 5 [pid 5130] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5132] <... write resumed>) = 4 [pid 5131] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5130] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5128] +++ exited with 0 +++ [pid 5132] close(3 [pid 5131] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5130] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5132] <... close resumed>) = 0 [pid 5130] perf_event_open( [pid 5132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5130] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5132] <... bpf resumed>) = 3 [pid 5132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5131] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5130] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5129] +++ exited with 0 +++ [pid 5131] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5132] <... bpf resumed>) = 4 [pid 5130] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5130] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] perf_event_open( [pid 5130] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5130] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5130] <... bpf resumed>) = 7 [pid 5132] <... bpf resumed>) = 5 [pid 5130] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5132] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5130] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5132] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5130] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5132] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5130] <... openat resumed>) = -1 EEXIST (File exists) [pid 5132] perf_event_open( [pid 5130] perf_event_open(./strace-static-x86_64: Process 5134 attached ./strace-static-x86_64: Process 5133 attached [pid 5132] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5131] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5134] set_robust_list(0x555592841660, 24 [pid 5133] set_robust_list(0x555592841660, 24 [pid 5130] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5130] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5134] <... set_robust_list resumed>) = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5134 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5133 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... prctl resumed>) = 0 [pid 5131] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5134] setpgid(0, 0 [pid 5131] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... setpgid resumed>) = 0 [pid 5131] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5131] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5134] <... openat resumed>) = 3 [pid 5131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5134] write(3, "1000", 4 [pid 5133] <... prctl resumed>) = 0 [pid 5132] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] <... bpf resumed>) = 7 [pid 5130] <... socket resumed>) = 9 [pid 5134] <... write resumed>) = 4 [pid 5133] setpgid(0, 0 [pid 5132] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5131] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5130] ioctl(9, SIOCSIFNAME, NULL [pid 5134] close(3 [pid 5133] <... setpgid resumed>) = 0 [pid 5132] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5134] <... close resumed>) = 0 [pid 5132] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5131] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5132] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5131] <... openat resumed>) = -1 EEXIST (File exists) [pid 5134] <... bpf resumed>) = 3 [pid 5133] <... openat resumed>) = 3 [pid 5132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5131] perf_event_open( [pid 5134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5132] <... bpf resumed>) = 7 [pid 5134] <... bpf resumed>) = 4 [pid 5133] write(3, "1000", 4 [pid 5131] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5131] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5134] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5133] <... write resumed>) = 4 [pid 5132] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5131] <... socket resumed>) = 9 [pid 5130] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5134] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5133] close(3 [pid 5132] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5130] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5134] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5133] <... close resumed>) = 0 [pid 5132] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5131] ioctl(9, SIOCSIFNAME, NULL [pid 5134] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... openat resumed>) = -1 EEXIST (File exists) [pid 5131] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5134] perf_event_open( [pid 5133] <... bpf resumed>) = 3 [pid 5132] perf_event_open( [pid 5130] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5134] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5132] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5131] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5134] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5132] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5131] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5130] perf_event_open(NULL, 0, 2, -1, 0 [pid 5134] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] perf_event_open(NULL, 0, 2, -1, 0 [pid 5134] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5131] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5134] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5131] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5134] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5131] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5134] <... bpf resumed>) = 7 [pid 5132] <... socket resumed>) = 9 [pid 5131] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5130] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5134] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5133] <... bpf resumed>) = 4 [pid 5130] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5134] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5132] ioctl(9, SIOCSIFNAME, NULL [pid 5131] exit_group(0 [pid 5134] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5130] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... openat resumed>) = -1 EEXIST (File exists) [pid 5131] <... exit_group resumed>) = ? [pid 5134] perf_event_open( [pid 5133] <... bpf resumed>) = 5 [pid 5132] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5133] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5132] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5130] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5134] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5133] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5134] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5132] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5131] +++ exited with 0 +++ [pid 5134] ioctl(9, SIOCSIFNAME, NULL) = -1 EFAULT (Bad address) [pid 5133] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5132] perf_event_open(NULL, 0, 2, -1, 0 [pid 5130] exit_group(0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5134] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5133] perf_event_open( [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... perf_event_open resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5135 attached [pid 5134] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5133] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5132] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5130] <... exit_group resumed>) = ? [pid 5132] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5135] set_robust_list(0x555592841660, 24 [pid 5134] perf_event_open(NULL, 0, 2, -1, 0 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5135 [pid 5134] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5134] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] exit_group(0 [pid 5133] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5132] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5134] <... exit_group resumed>) = ? [pid 5135] <... prctl resumed>) = 0 [pid 5133] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] exit_group(0 [pid 5135] setpgid(0, 0 [pid 5133] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5132] <... exit_group resumed>) = ? [pid 5133] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] <... setpgid resumed>) = 0 [pid 5133] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5133] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5135] <... openat resumed>) = 3 [pid 5130] +++ exited with 0 +++ [pid 5135] write(3, "1000", 4 [pid 5133] <... bpf resumed>) = 7 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5135] <... write resumed>) = 4 [pid 5133] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5135] close(3 [pid 5133] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5135] <... close resumed>) = 0 [pid 5133] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5133] <... openat resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5136 attached [pid 5133] perf_event_open( [pid 5134] +++ exited with 0 +++ [pid 5133] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5136 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5135] <... bpf resumed>) = 3 [pid 5133] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5137 attached [pid 5136] set_robust_list(0x555592841660, 24 [pid 5137] set_robust_list(0x555592841660, 24) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5137 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5137] setpgid(0, 0 [pid 5133] <... socket resumed>) = 9 [pid 5137] <... setpgid resumed>) = 0 [pid 5135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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) = 3 [pid 5137] write(3, "1000", 4) = 4 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5135] <... bpf resumed>) = 4 [pid 5133] ioctl(9, SIOCSIFNAME, NULL [pid 5137] close(3 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5133] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5136] <... prctl resumed>) = 0 [pid 5137] <... close resumed>) = 0 [pid 5136] setpgid(0, 0 [pid 5137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... setpgid resumed>) = 0 [pid 5137] <... bpf resumed>) = 3 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5133] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... openat resumed>) = 3 [pid 5133] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5137] <... bpf resumed>) = 4 [pid 5136] write(3, "1000", 4 [pid 5133] perf_event_open(NULL, 0, 2, -1, 0 [pid 5137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5136] <... write resumed>) = 4 [pid 5135] <... bpf resumed>) = 5 [pid 5133] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5132] +++ exited with 0 +++ [pid 5137] <... bpf resumed>) = 5 [pid 5136] close(3 [pid 5135] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5133] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5137] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5136] <... close resumed>) = 0 [pid 5135] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5137] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5136] <... bpf resumed>) = 3 [pid 5135] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5133] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5137] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5135] perf_event_open( [pid 5133] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5137] perf_event_open( [pid 5136] <... bpf resumed>) = 4 [pid 5135] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5136] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5135] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5136] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5138 [pid 5136] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5135] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5136] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5135] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] perf_event_open( [pid 5135] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5136] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5135] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, 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 5138 attached [pid 5137] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5136] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5135] <... bpf resumed>) = 7 [pid 5136] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5133] <... exit_group resumed>) = ? [pid 5136] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5135] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5136] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5136] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5135] <... openat resumed>) = -1 EEXIST (File exists) [pid 5136] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5135] perf_event_open( [pid 5136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5138] set_robust_list(0x555592841660, 24 [pid 5135] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5136] <... bpf resumed>) = 7 [pid 5135] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5136] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5137] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5135] ioctl(9, SIOCSIFNAME, NULL [pid 5133] +++ exited with 0 +++ [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] <... prctl resumed>) = 0 [pid 5137] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5136] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5138] setpgid(0, 0 [pid 5137] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... setpgid resumed>) = 0 [pid 5137] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5136] <... openat resumed>) = -1 EEXIST (File exists) [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5138] <... openat resumed>) = 3 [pid 5137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5138] write(3, "1000", 4 [pid 5137] <... bpf resumed>) = 7 [pid 5138] <... write resumed>) = 4 [pid 5138] close(3 [pid 5137] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5138] <... close resumed>) = 0 [pid 5137] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... ioctl resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5139 attached [pid 5138] <... bpf resumed>) = 3 [pid 5137] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5136] perf_event_open( [pid 5135] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5139] set_robust_list(0x555592841660, 24 [pid 5138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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 resumed>) = -1 EEXIST (File exists) [pid 5136] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5138] <... bpf resumed>) = 4 [pid 5137] perf_event_open( [pid 5135] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5139 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5136] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5135] perf_event_open(NULL, 0, 2, -1, 0 [pid 5139] <... prctl resumed>) = 0 [pid 5138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5137] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5136] <... socket resumed>) = 9 [pid 5135] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5139] setpgid(0, 0 [pid 5138] <... bpf resumed>) = 5 [pid 5137] <... socket resumed>) = 9 [pid 5136] ioctl(9, SIOCSIFNAME, NULL [pid 5135] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5139] <... setpgid resumed>) = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5137] ioctl(9, SIOCSIFNAME, NULL [pid 5135] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5139] <... openat resumed>) = 3 [pid 5138] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5137] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5136] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5139] write(3, "1000", 4 [pid 5138] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5136] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5139] <... write resumed>) = 4 [pid 5138] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5139] close(3 [pid 5138] perf_event_open( [pid 5137] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5136] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5139] <... close resumed>) = 0 [pid 5138] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5136] perf_event_open(NULL, 0, 2, -1, 0 [pid 5139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5139] <... bpf resumed>) = 4 [pid 5138] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5137] perf_event_open(NULL, 0, 2, -1, 0 [pid 5136] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5135] exit_group(0 [pid 5137] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5136] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5138] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5135] <... exit_group resumed>) = ? [pid 5139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5138] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5137] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5139] <... bpf resumed>) = 5 [pid 5138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5139] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5138] <... bpf resumed>) = 7 [pid 5136] exit_group(0 [pid 5139] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5138] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5139] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5138] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5139] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5138] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5136] <... exit_group resumed>) = ? [pid 5139] perf_event_open( [pid 5138] <... openat resumed>) = -1 EEXIST (File exists) [pid 5139] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5139] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5138] perf_event_open( [pid 5139] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5139] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5137] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5135] +++ exited with 0 +++ [pid 5138] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5139] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5139] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5138] ioctl(9, SIOCSIFNAME, NULL [pid 5137] exit_group(0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5139] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5138] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5137] <... exit_group resumed>) = ? [pid 5139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5138] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5138] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5136] +++ exited with 0 +++ [pid 5139] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5138] perf_event_open(NULL, 0, 2, -1, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5139] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5139] <... openat resumed>) = -1 EEXIST (File exists) [pid 5138] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5075] <... restart_syscall resumed>) = 0 [pid 5139] perf_event_open( [pid 5138] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5139] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5139] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5138] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] <... socket resumed>) = 9 [pid 5138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 5141 attached ./strace-static-x86_64: Process 5140 attached [pid 5139] ioctl(9, SIOCSIFNAME, NULL [pid 5138] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5137] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, 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 5142 attached [pid 5138] exit_group(0 [pid 5142] set_robust_list(0x555592841660, 24 [pid 5141] set_robust_list(0x555592841660, 24 [pid 5140] set_robust_list(0x555592841660, 24 [pid 5139] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5138] <... exit_group resumed>) = ? [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5140 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5142 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5141 [pid 5139] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5139] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5141] <... prctl resumed>) = 0 [pid 5140] <... prctl resumed>) = 0 [pid 5139] perf_event_open(NULL, 0, 2, -1, 0 [pid 5141] setpgid(0, 0 [pid 5140] setpgid(0, 0 [pid 5141] <... setpgid resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] <... setpgid resumed>) = 0 [pid 5139] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5141] <... openat resumed>) = 3 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5141] write(3, "1000", 4 [pid 5140] <... openat resumed>) = 3 [pid 5139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5141] <... write resumed>) = 4 [pid 5141] close(3 [pid 5140] write(3, "1000", 4 [pid 5139] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5141] <... close resumed>) = 0 [pid 5140] <... write resumed>) = 4 [pid 5139] exit_group(0 [pid 5141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5140] close(3) = 0 [pid 5142] <... prctl resumed>) = 0 [pid 5141] <... bpf resumed>) = 3 [pid 5140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... exit_group resumed>) = ? [pid 5142] setpgid(0, 0) = 0 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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>) = 3 [pid 5142] <... openat resumed>) = 3 [pid 5142] write(3, "1000", 4 [pid 5141] <... bpf resumed>) = 4 [pid 5140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] +++ exited with 0 +++ [pid 5142] <... write resumed>) = 4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5142] close(3) = 0 [pid 5141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5140] <... bpf resumed>) = 4 [pid 5141] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5141] perf_event_open( [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5142] <... bpf resumed>) = 3 [pid 5140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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>) = 5 [pid 5140] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5140] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5143 attached [pid 5142] <... bpf resumed>) = 4 [pid 5140] perf_event_open( [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5143 [pid 5143] set_robust_list(0x555592841660, 24 [pid 5142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] <... bpf resumed>) = 5 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5143] <... prctl resumed>) = 0 [pid 5142] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5143] setpgid(0, 0 [pid 5142] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5143] <... setpgid resumed>) = 0 [pid 5142] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5142] perf_event_open( [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5143] write(3, "1000", 4) = 4 [pid 5143] close(3 [pid 5142] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5141] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5140] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5139] +++ exited with 0 +++ [pid 5143] <... close resumed>) = 0 [pid 5140] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5142] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5141] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5143] <... bpf resumed>) = 3 [pid 5142] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5141] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5140] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... restart_syscall resumed>) = 0 [pid 5143] <... bpf resumed>) = 4 [pid 5142] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5141] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5140] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5142] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5141] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5142] <... bpf resumed>) = 7 [pid 5141] <... bpf resumed>) = 7 [pid 5142] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5141] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5140] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5142] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5141] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5143] <... bpf resumed>) = 5 [pid 5142] <... openat resumed>) = -1 EEXIST (File exists) [pid 5141] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5140] <... bpf resumed>) = 7 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5144 attached [pid 5143] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5142] perf_event_open( [pid 5141] <... openat resumed>) = -1 EEXIST (File exists) [pid 5140] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5144] set_robust_list(0x555592841660, 24 [pid 5143] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5141] perf_event_open( [pid 5140] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5144 [pid 5143] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5140] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5143] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5140] <... openat resumed>) = -1 EEXIST (File exists) [pid 5143] perf_event_open( [pid 5140] perf_event_open( [pid 5144] <... set_robust_list resumed>) = 0 [pid 5143] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5142] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5141] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5140] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5141] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5140] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5144] <... prctl resumed>) = 0 [pid 5143] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5140] <... socket resumed>) = 9 [pid 5143] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5144] setpgid(0, 0 [pid 5143] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] ioctl(9, SIOCSIFNAME, NULL [pid 5143] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5140] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5144] <... setpgid resumed>) = 0 [pid 5143] <... bpf resumed>) = 7 [pid 5142] <... socket resumed>) = 9 [pid 5141] <... socket resumed>) = 9 [pid 5143] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5143] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5141] ioctl(9, SIOCSIFNAME, NULL [pid 5140] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5143] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5142] ioctl(9, SIOCSIFNAME, NULL [pid 5141] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5140] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5144] <... openat resumed>) = 3 [pid 5143] <... openat resumed>) = -1 EEXIST (File exists) [pid 5143] perf_event_open( [pid 5140] perf_event_open(NULL, 0, 2, -1, 0 [pid 5143] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5140] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5143] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5142] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5140] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5144] write(3, "1000", 4) = 4 [pid 5143] <... socket resumed>) = 9 [pid 5142] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5141] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5140] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(3 [pid 5140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5143] ioctl(9, SIOCSIFNAME, NULL [pid 5140] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5144] <... close resumed>) = 0 [pid 5143] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5142] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5141] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5142] perf_event_open(NULL, 0, 2, -1, 0 [pid 5141] perf_event_open(NULL, 0, 2, -1, 0 [pid 5144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5142] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5141] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5144] <... bpf resumed>) = 4 [pid 5142] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5141] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5140] exit_group(0 [pid 5141] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5143] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5142] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5140] <... exit_group resumed>) = ? [pid 5142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5144] <... bpf resumed>) = 5 [pid 5143] perf_event_open(NULL, 0, 2, -1, 0 [pid 5142] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5141] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5144] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5143] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5141] exit_group(0 [pid 5144] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5144] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5143] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5141] <... exit_group resumed>) = ? [pid 5144] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5143] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5142] exit_group(0 [pid 5143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5144] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5143] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5142] <... exit_group resumed>) = ? [pid 5144] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] exit_group(0 [pid 5144] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5144] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5143] <... exit_group resumed>) = ? [pid 5144] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5140] +++ exited with 0 +++ [pid 5144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, 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=5140, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5144] <... bpf resumed>) = 7 [pid 5142] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5144] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5144] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5144] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5144] perf_event_open( [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 5144] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5144] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP./strace-static-x86_64: Process 5146 attached ./strace-static-x86_64: Process 5145 attached ) = 9 ./strace-static-x86_64: Process 5147 attached [pid 5146] set_robust_list(0x555592841660, 24 [pid 5145] set_robust_list(0x555592841660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5145 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5147 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5146 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5147] set_robust_list(0x555592841660, 24 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5147] <... set_robust_list resumed>) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5144] ioctl(9, SIOCSIFNAME, NULL [pid 5143] +++ exited with 0 +++ [pid 5146] <... prctl resumed>) = 0 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] <... prctl resumed>) = 0 [pid 5144] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5145] setpgid(0, 0 [pid 5146] setpgid(0, 0 [pid 5147] <... prctl resumed>) = 0 [pid 5144] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5145] <... setpgid resumed>) = 0 [pid 5146] <... setpgid resumed>) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] setpgid(0, 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5144] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5147] <... setpgid resumed>) = 0 [pid 5146] <... openat resumed>) = 3 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] <... openat resumed>) = 3 [pid 5144] perf_event_open(NULL, 0, 2, -1, 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5146] write(3, "1000", 4 [pid 5147] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5148 attached [pid 5146] <... write resumed>) = 4 [pid 5147] write(3, "1000", 4 [pid 5145] write(3, "1000", 4 [pid 5144] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5146] close(3 [pid 5147] <... write resumed>) = 4 [pid 5145] <... write resumed>) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5148 [pid 5146] <... close resumed>) = 0 [pid 5147] close(3 [pid 5145] close(3 [pid 5148] set_robust_list(0x555592841660, 24 [pid 5146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... close resumed>) = 0 [pid 5145] <... close resumed>) = 0 [pid 5144] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5148] <... set_robust_list resumed>) = 0 [pid 5144] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5148] <... prctl resumed>) = 0 [pid 5146] <... bpf resumed>) = 3 [pid 5147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5144] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5148] setpgid(0, 0 [pid 5146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5147] <... bpf resumed>) = 3 [pid 5145] <... bpf resumed>) = 3 [pid 5148] <... setpgid resumed>) = 0 [pid 5146] <... bpf resumed>) = 4 [pid 5147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] exit_group(0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5144] <... exit_group resumed>) = ? [pid 5148] <... openat resumed>) = 3 [pid 5146] <... bpf resumed>) = 5 [pid 5147] <... bpf resumed>) = 4 [pid 5145] <... bpf resumed>) = 4 [pid 5146] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5146] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5145] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5146] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5147] <... bpf resumed>) = 5 [pid 5148] write(3, "1000", 4 [pid 5146] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5145] <... bpf resumed>) = 5 [pid 5147] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5148] <... write resumed>) = 4 [pid 5146] perf_event_open( [pid 5147] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5145] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5148] close(3 [pid 5147] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5145] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5148] <... close resumed>) = 0 [pid 5147] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5145] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] perf_event_open( [pid 5145] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5148] <... bpf resumed>) = 3 [pid 5148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, 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 5145] perf_event_open( [pid 5148] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5148] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5148] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5148] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5146] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5147] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5145] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5144] +++ exited with 0 +++ [pid 5146] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5145] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5146] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5145] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5146] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5147] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5148] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5146] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5145] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5146] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5147] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5148] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5146] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5147] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5145] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5148] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5147] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5146] <... bpf resumed>) = 7 [pid 5147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5145] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 5149 attached [pid 5148] <... bpf resumed>) = 7 [pid 5146] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5147] <... bpf resumed>) = 7 [pid 5145] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5148] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5146] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5147] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5145] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5148] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5146] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5147] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5145] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5149 [pid 5148] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5146] <... openat resumed>) = -1 EEXIST (File exists) [pid 5147] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5149] set_robust_list(0x555592841660, 24 [pid 5148] <... openat resumed>) = -1 EEXIST (File exists) [pid 5146] perf_event_open( [pid 5145] <... openat resumed>) = -1 EEXIST (File exists) [pid 5148] perf_event_open( [pid 5147] <... openat resumed>) = -1 EEXIST (File exists) [pid 5146] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5145] perf_event_open( [pid 5147] perf_event_open( [pid 5149] <... set_robust_list resumed>) = 0 [pid 5148] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5146] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5147] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5145] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5149] <... prctl resumed>) = 0 [pid 5149] setpgid(0, 0) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5149] write(3, "1000", 4) = 4 [pid 5148] <... socket resumed>) = 9 [pid 5146] <... socket resumed>) = 9 [pid 5149] close(3 [pid 5147] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5145] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5148] ioctl(9, SIOCSIFNAME, NULL [pid 5149] <... close resumed>) = 0 [pid 5148] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5146] ioctl(9, SIOCSIFNAME, NULL [pid 5147] <... socket resumed>) = 9 [pid 5145] <... socket resumed>) = 9 [pid 5148] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5147] ioctl(9, SIOCSIFNAME, NULL [pid 5145] ioctl(9, SIOCSIFNAME, NULL [pid 5149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5146] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5147] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5145] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5149] <... bpf resumed>) = 3 [pid 5148] perf_event_open(NULL, 0, 2, -1, 0 [pid 5146] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5147] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5145] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5148] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5146] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5147] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, 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 5148] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5146] perf_event_open(NULL, 0, 2, -1, 0 [pid 5147] perf_event_open(NULL, 0, 2, -1, 0 [pid 5145] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5148] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5146] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5147] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5149] <... bpf resumed>) = 5 [pid 5148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5146] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5147] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5145] perf_event_open(NULL, 0, 2, -1, 0 [pid 5149] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5148] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5146] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5149] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5148] exit_group(0 [pid 5146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5149] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5148] <... exit_group resumed>) = ? [pid 5146] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5147] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5145] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5149] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5147] exit_group(0 [pid 5145] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5147] <... exit_group resumed>) = ? [pid 5145] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5149] perf_event_open( [pid 5146] exit_group(0 [pid 5149] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5146] <... exit_group resumed>) = ? [pid 5149] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5145] exit_group(0 [pid 5149] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... exit_group resumed>) = ? [pid 5149] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5149] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5149] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5149] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5149] perf_event_open( [pid 5148] +++ exited with 0 +++ [pid 5149] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5149] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5149] ioctl(9, SIOCSIFNAME, NULL [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5149] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5149] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0) = -1 EFAULT (Bad address) [pid 5149] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5146] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5068] 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=1 /* 0.01 s */} --- [pid 5149] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 5150 attached ) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5150] set_robust_list(0x555592841660, 24 [pid 5071] 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 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5150 ./strace-static-x86_64: Process 5151 attached [pid 5151] set_robust_list(0x555592841660, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5151 [pid 5151] <... set_robust_list resumed>) = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5152 [pid 5151] setpgid(0, 0 [pid 5149] exit_group(0./strace-static-x86_64: Process 5152 attached [pid 5151] <... setpgid resumed>) = 0 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] <... exit_group resumed>) = ? [pid 5147] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] set_robust_list(0x555592841660, 24 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] <... set_robust_list resumed>) = 0 [pid 5150] <... prctl resumed>) = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] setpgid(0, 0 [pid 5152] <... prctl resumed>) = 0 [pid 5151] <... openat resumed>) = 3 [pid 5150] <... setpgid resumed>) = 0 [pid 5152] setpgid(0, 0) = 0 [pid 5151] write(3, "1000", 4 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5151] <... write resumed>) = 4 [pid 5150] <... openat resumed>) = 3 [pid 5151] close(3 [pid 5150] write(3, "1000", 4 [pid 5151] <... close resumed>) = 0 [pid 5150] <... write resumed>) = 4 [pid 5152] write(3, "1000", 4 [pid 5151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5152] <... write resumed>) = 4 [pid 5151] <... bpf resumed>) = 3 [pid 5150] <... close resumed>) = 0 ./strace-static-x86_64: Process 5153 attached [pid 5152] close(3 [pid 5150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] +++ exited with 0 +++ [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5153 [pid 5153] set_robust_list(0x555592841660, 24 [pid 5152] <... close resumed>) = 0 [pid 5150] <... bpf resumed>) = 3 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] <... bpf resumed>) = 3 [pid 5151] <... bpf resumed>) = 4 [pid 5150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5154 attached [pid 5153] <... prctl resumed>) = 0 [pid 5152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5150] <... bpf resumed>) = 4 [pid 5154] set_robust_list(0x555592841660, 24 [pid 5153] setpgid(0, 0 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] <... setpgid resumed>) = 0 [pid 5151] <... bpf resumed>) = 5 [pid 5150] <... bpf resumed>) = 5 [pid 5154] <... prctl resumed>) = 0 [pid 5150] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5154] setpgid(0, 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5150] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5154] <... setpgid resumed>) = 0 [pid 5151] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5150] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5151] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5150] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5154 [pid 5150] perf_event_open( [pid 5154] <... openat resumed>) = 3 [pid 5153] <... openat resumed>) = 3 [pid 5152] <... bpf resumed>) = 4 [pid 5151] perf_event_open( [pid 5150] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5154] write(3, "1000", 4 [pid 5153] write(3, "1000", 4 [pid 5152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5151] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5150] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5154] <... write resumed>) = 4 [pid 5153] <... write resumed>) = 4 [pid 5152] <... bpf resumed>) = 5 [pid 5150] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(3 [pid 5153] close(3 [pid 5152] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5151] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5150] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5154] <... close resumed>) = 0 [pid 5153] <... close resumed>) = 0 [pid 5152] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5151] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5152] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5151] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5150] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5154] <... bpf resumed>) = 3 [pid 5153] <... bpf resumed>) = 3 [pid 5152] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5151] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] perf_event_open( [pid 5151] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5154] <... bpf resumed>) = 4 [pid 5153] <... bpf resumed>) = 4 [pid 5152] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5151] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5150] <... bpf resumed>) = 7 [pid 5154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5152] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5150] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5154] <... bpf resumed>) = 5 [pid 5153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5152] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... bpf resumed>) = 7 [pid 5150] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5154] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5153] <... bpf resumed>) = 5 [pid 5152] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5151] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5150] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5154] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5153] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5152] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5150] <... openat resumed>) = -1 EEXIST (File exists) [pid 5154] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5153] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5152] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5151] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5150] perf_event_open( [pid 5154] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5153] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5152] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5151] <... openat resumed>) = -1 EEXIST (File exists) [pid 5150] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5153] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5154] perf_event_open( [pid 5152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5151] perf_event_open( [pid 5150] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5154] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5153] perf_event_open( [pid 5152] <... bpf resumed>) = 7 [pid 5151] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5150] <... socket resumed>) = 9 [pid 5154] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5153] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5152] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5151] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5150] ioctl(9, SIOCSIFNAME, NULL [pid 5153] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5153] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5153] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5154] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... bpf resumed>) = 7 [pid 5152] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5153] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5152] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5153] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5153] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5153] perf_event_open( [pid 5154] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5152] <... openat resumed>) = -1 EEXIST (File exists) [pid 5150] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5154] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5152] perf_event_open( [pid 5151] <... socket resumed>) = 9 [pid 5150] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5154] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5153] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5152] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5151] ioctl(9, SIOCSIFNAME, NULL [pid 5153] <... socket resumed>) = 9 [pid 5152] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5154] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5152] <... socket resumed>) = 9 [pid 5151] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5153] ioctl(9, SIOCSIFNAME, NULL [pid 5154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5153] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5152] ioctl(9, SIOCSIFNAME, NULL [pid 5151] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5150] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5154] <... bpf resumed>) = 7 [pid 5153] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5154] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5153] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5152] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5151] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5150] perf_event_open(NULL, 0, 2, -1, 0 [pid 5154] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5153] perf_event_open(NULL, 0, 2, -1, 0 [pid 5152] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5151] perf_event_open(NULL, 0, 2, -1, 0 [pid 5150] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5154] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5153] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5151] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5150] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5154] <... openat resumed>) = -1 EEXIST (File exists) [pid 5153] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5151] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5150] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] perf_event_open( [pid 5153] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5151] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5154] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5152] perf_event_open(NULL, 0, 2, -1, 0 [pid 5151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5154] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5153] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5152] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5151] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5150] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5154] <... socket resumed>) = 9 [pid 5153] exit_group(0 [pid 5152] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5151] exit_group(0 [pid 5153] <... exit_group resumed>) = ? [pid 5151] <... exit_group resumed>) = ? [pid 5154] ioctl(9, SIOCSIFNAME, NULL [pid 5152] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] +++ exited with 0 +++ [pid 5150] exit_group(0 [pid 5152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5154] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5153] +++ exited with 0 +++ [pid 5150] <... exit_group resumed>) = ? [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5152] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5154] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0) = -1 EFAULT (Bad address) [pid 5154] perf_event_open(NULL, 0, 2, -1, 0 [pid 5152] exit_group(0 [pid 5150] +++ exited with 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] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5154] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5152] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5155 attached [pid 5154] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] set_robust_list(0x555592841660, 24 [pid 5154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5155] <... set_robust_list resumed>) = 0 [pid 5154] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5155 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5154] exit_group(0./strace-static-x86_64: Process 5156 attached [pid 5155] <... prctl resumed>) = 0 [pid 5156] set_robust_list(0x555592841660, 24 [pid 5154] <... exit_group resumed>) = ? [pid 5155] setpgid(0, 0 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5156] setpgid(0, 0 [pid 5155] <... setpgid resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5156 ./strace-static-x86_64: Process 5157 attached [pid 5156] <... setpgid resumed>) = 0 [pid 5157] set_robust_list(0x555592841660, 24 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5157 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5156] <... openat resumed>) = 3 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5155] <... openat resumed>) = 3 [pid 5155] write(3, "1000", 4) = 4 [pid 5157] <... prctl resumed>) = 0 [pid 5156] write(3, "1000", 4 [pid 5155] close(3 [pid 5157] setpgid(0, 0 [pid 5156] <... write resumed>) = 4 [pid 5155] <... close resumed>) = 0 [pid 5157] <... setpgid resumed>) = 0 [pid 5156] close(3 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] <... close resumed>) = 0 [pid 5156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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 resumed>) = 3 [pid 5156] <... bpf resumed>) = 3 [pid 5155] <... bpf resumed>) = 3 [pid 5157] write(3, "1000", 4 [pid 5156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... write resumed>) = 4 [pid 5156] <... bpf resumed>) = 4 [pid 5157] close(3 [pid 5156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5157] <... close resumed>) = 0 [pid 5157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5155] <... bpf resumed>) = 4 [pid 5157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5157] <... bpf resumed>) = 4 [pid 5157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5156] <... bpf resumed>) = 5 [pid 5155] <... bpf resumed>) = 5 [pid 5152] +++ exited with 0 +++ [pid 5157] <... bpf resumed>) = 5 [pid 5156] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5157] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5156] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5157] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5156] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5155] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5157] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5156] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5155] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5157] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5156] perf_event_open( [pid 5157] perf_event_open( [pid 5155] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5155] perf_event_open( [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached , child_tidptr=0x555592841650) = 5158 [pid 5158] set_robust_list(0x555592841660, 24 [pid 5157] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5156] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5155] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5154] +++ exited with 0 +++ [pid 5158] <... set_robust_list resumed>) = 0 [pid 5156] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5155] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5158] <... prctl resumed>) = 0 [pid 5157] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5156] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5155] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5069] 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 5157] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... setpgid resumed>) = 0 [pid 5157] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5156] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5155] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5159] set_robust_list(0x555592841660, 24 [pid 5155] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5159] <... set_robust_list resumed>) = 0 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5157] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5159] <... prctl resumed>) = 0 [pid 5157] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5159] setpgid(0, 0 [pid 5158] <... openat resumed>) = 3 [pid 5157] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5155] <... bpf resumed>) = 7 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5159 [pid 5159] <... setpgid resumed>) = 0 [pid 5158] write(3, "1000", 4 [pid 5157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5156] <... bpf resumed>) = 7 [pid 5155] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5158] <... write resumed>) = 4 [pid 5157] <... bpf resumed>) = 7 [pid 5156] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5158] close(3 [pid 5157] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5156] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5155] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5159] <... openat resumed>) = 3 [pid 5159] write(3, "1000", 4 [pid 5158] <... close resumed>) = 0 [pid 5157] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5156] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5155] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5159] <... write resumed>) = 4 [pid 5158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5156] <... openat resumed>) = -1 EEXIST (File exists) [pid 5155] <... openat resumed>) = -1 EEXIST (File exists) [pid 5159] close(3 [pid 5158] <... bpf resumed>) = 3 [pid 5157] <... openat resumed>) = -1 EEXIST (File exists) [pid 5156] perf_event_open( [pid 5155] perf_event_open( [pid 5159] <... close resumed>) = 0 [pid 5158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] perf_event_open( [pid 5156] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5155] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5158] <... bpf resumed>) = 4 [pid 5157] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5156] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5159] <... bpf resumed>) = 3 [pid 5155] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5156] <... socket resumed>) = 9 [pid 5155] <... socket resumed>) = 9 [pid 5159] <... bpf resumed>) = 4 [pid 5158] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5157] <... socket resumed>) = 9 [pid 5155] ioctl(9, SIOCSIFNAME, NULL [pid 5158] <... bpf resumed>) = 5 [pid 5157] ioctl(9, SIOCSIFNAME, NULL [pid 5159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5158] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5157] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5156] ioctl(9, SIOCSIFNAME, NULL [pid 5155] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5158] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5158] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5159] <... bpf resumed>) = 5 [pid 5158] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5156] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5155] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5159] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5158] perf_event_open( [pid 5157] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5159] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5159] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5158] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5157] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5155] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5159] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5157] perf_event_open(NULL, 0, 2, -1, 0 [pid 5156] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5155] perf_event_open(NULL, 0, 2, -1, 0 [pid 5159] perf_event_open( [pid 5158] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5157] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5156] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5155] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5159] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5158] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5159] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5158] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5157] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] perf_event_open(NULL, 0, 2, -1, 0 [pid 5155] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5159] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5156] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5155] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5158] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5157] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5156] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5159] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5157] exit_group(0 [pid 5156] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5159] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5157] <... exit_group resumed>) = ? [pid 5158] <... bpf resumed>) = 7 [pid 5156] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5159] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5158] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5156] exit_group(0 [pid 5155] exit_group(0 [pid 5158] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5158] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5158] perf_event_open( [pid 5156] <... exit_group resumed>) = ? [pid 5159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5158] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5155] <... exit_group resumed>) = ? [pid 5159] <... bpf resumed>) = 7 [pid 5158] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5159] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5158] <... socket resumed>) = 9 [pid 5159] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5159] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5158] ioctl(9, SIOCSIFNAME, NULL [pid 5159] perf_event_open( [pid 5157] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5158] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5158] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5159] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5158] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5159] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5159] <... socket resumed>) = 9 ./strace-static-x86_64: Process 5160 attached [pid 5159] ioctl(9, SIOCSIFNAME, NULL [pid 5158] perf_event_open(NULL, 0, 2, -1, 0 [pid 5156] +++ exited with 0 +++ [pid 5155] +++ exited with 0 +++ [pid 5160] set_robust_list(0x555592841660, 24 [pid 5158] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5160 [pid 5158] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5160] <... set_robust_list resumed>) = 0 [pid 5158] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5158] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5158] exit_group(0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5160] <... prctl resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] setpgid(0, 0 [pid 5159] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5158] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5161 attached [pid 5160] <... setpgid resumed>) = 0 [pid 5159] <... ioctl resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5162 attached [pid 5162] set_robust_list(0x555592841660, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5162 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] perf_event_open(NULL, 0, 2, -1, 0 [pid 5162] <... prctl resumed>) = 0 [pid 5161] set_robust_list(0x555592841660, 24 [pid 5160] <... openat resumed>) = 3 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5161 [pid 5162] setpgid(0, 0 [pid 5161] <... set_robust_list resumed>) = 0 [pid 5160] write(3, "1000", 4 [pid 5159] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] <... setpgid resumed>) = 0 [pid 5160] <... write resumed>) = 4 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5160] close(3 [pid 5159] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5162] <... openat resumed>) = 3 [pid 5161] <... prctl resumed>) = 0 [pid 5162] write(3, "1000", 4 [pid 5161] setpgid(0, 0 [pid 5160] <... close resumed>) = 0 [pid 5159] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] <... write resumed>) = 4 [pid 5161] <... setpgid resumed>) = 0 [pid 5160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5162] close(3 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5160] <... bpf resumed>) = 3 [pid 5159] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5162] <... close resumed>) = 0 [pid 5161] <... openat resumed>) = 3 [pid 5160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] exit_group(0 [pid 5162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5161] write(3, "1000", 4 [pid 5159] <... exit_group resumed>) = ? [pid 5162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>) = 4 [pid 5162] <... bpf resumed>) = 4 [pid 5161] <... write resumed>) = 4 [pid 5160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5161] close(3 [pid 5160] <... bpf resumed>) = 5 [pid 5158] +++ exited with 0 +++ [pid 5161] <... close resumed>) = 0 [pid 5162] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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=5158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5162] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... bpf resumed>) = 3 [pid 5160] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5162] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5160] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5162] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5160] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5162] perf_event_open( [pid 5161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5162] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5161] <... bpf resumed>) = 4 [pid 5160] perf_event_open( [pid 5162] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5160] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5162] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5163 [pid 5160] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5160] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5162] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5160] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5160] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5162] <... bpf resumed>) = 7 [pid 5160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5162] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5160] <... bpf resumed>) = 7 [pid 5162] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5160] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0./strace-static-x86_64: Process 5163 attached [pid 5162] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5161] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5160] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5163] set_robust_list(0x555592841660, 24 [pid 5162] <... openat resumed>) = -1 EEXIST (File exists) [pid 5161] <... bpf resumed>) = 5 [pid 5160] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5162] perf_event_open( [pid 5161] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5160] <... openat resumed>) = -1 EEXIST (File exists) [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5161] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5160] perf_event_open( [pid 5163] <... prctl resumed>) = 0 [pid 5162] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5161] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5160] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5163] setpgid(0, 0 [pid 5161] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5163] <... setpgid resumed>) = 0 [pid 5161] perf_event_open( [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] <... socket resumed>) = 9 [pid 5161] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5160] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5163] <... openat resumed>) = 3 [pid 5161] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5159] +++ exited with 0 +++ [pid 5161] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5163] write(3, "1000", 4 [pid 5161] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5163] <... write resumed>) = 4 [pid 5161] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5163] close(3 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5163] <... close resumed>) = 0 [pid 5161] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5162] ioctl(9, SIOCSIFNAME, NULL [pid 5160] <... socket resumed>) = 9 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5162] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5163] <... bpf resumed>) = 3 [pid 5163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5162] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5161] <... bpf resumed>) = 7 [pid 5160] ioctl(9, SIOCSIFNAME, NULL [pid 5163] <... bpf resumed>) = 4 [pid 5162] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5161] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5160] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5162] perf_event_open(NULL, 0, 2, -1, 0 [pid 5161] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5160] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0./strace-static-x86_64: Process 5164 attached [pid 5163] <... bpf resumed>) = 5 [pid 5162] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5161] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5160] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5164] set_robust_list(0x555592841660, 24 [pid 5163] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5162] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5161] <... openat resumed>) = -1 EEXIST (File exists) [pid 5160] perf_event_open(NULL, 0, 2, -1, 0 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5164 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5163] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5162] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] perf_event_open( [pid 5160] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5164] <... prctl resumed>) = 0 [pid 5163] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5161] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5160] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5162] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5164] setpgid(0, 0 [pid 5163] perf_event_open( [pid 5161] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5160] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5161] <... socket resumed>) = 9 [pid 5160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5163] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5161] ioctl(9, SIOCSIFNAME, NULL [pid 5160] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5163] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5164] <... setpgid resumed>) = 0 [pid 5163] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5162] exit_group(0 [pid 5161] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5160] exit_group(0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5163] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5160] <... exit_group resumed>) = ? [pid 5163] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5161] perf_event_open(NULL, 0, 2, -1, 0 [pid 5164] write(3, "1000", 4 [pid 5163] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5162] <... exit_group resumed>) = ? [pid 5161] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5164] <... write resumed>) = 4 [pid 5163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5161] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5164] close(3 [pid 5163] <... bpf resumed>) = 7 [pid 5163] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5164] <... close resumed>) = 0 [pid 5163] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5163] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5161] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... openat resumed>) = -1 EEXIST (File exists) [pid 5163] perf_event_open( [pid 5164] <... bpf resumed>) = 3 [pid 5163] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5163] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5161] exit_group(0 [pid 5160] +++ exited with 0 +++ [pid 5164] <... bpf resumed>) = 4 [pid 5163] <... socket resumed>) = 9 [pid 5162] +++ exited with 0 +++ [pid 5161] <... exit_group resumed>) = ? [pid 5164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5073] <... restart_syscall resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5163] ioctl(9, SIOCSIFNAME, NULL [pid 5164] <... bpf resumed>) = 5 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5164] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5163] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5164] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5164] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 5164] perf_event_open( [pid 5163] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0./strace-static-x86_64: Process 5165 attached [pid 5164] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5163] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5165] set_robust_list(0x555592841660, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5165 [pid 5164] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5163] perf_event_open(NULL, 0, 2, -1, 0./strace-static-x86_64: Process 5166 attached [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5166] set_robust_list(0x555592841660, 24 [pid 5163] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5166 [pid 5164] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] <... prctl resumed>) = 0 [pid 5165] setpgid(0, 0 [pid 5164] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5163] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5165] <... setpgid resumed>) = 0 [pid 5164] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5163] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5167 attached [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5167] set_robust_list(0x555592841660, 24 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5165] <... openat resumed>) = 3 [pid 5164] <... bpf resumed>) = 7 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] <... prctl resumed>) = 0 [pid 5164] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5163] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5167 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] setpgid(0, 0 [pid 5165] write(3, "1000", 4 [pid 5164] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... prctl resumed>) = 0 [pid 5165] <... write resumed>) = 4 [pid 5167] setpgid(0, 0 [pid 5165] close(3 [pid 5167] <... setpgid resumed>) = 0 [pid 5165] <... close resumed>) = 0 [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5167] <... openat resumed>) = 3 [pid 5165] <... bpf resumed>) = 3 [pid 5167] write(3, "1000", 4 [pid 5166] <... setpgid resumed>) = 0 [pid 5165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5164] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5163] exit_group(0 [pid 5167] <... write resumed>) = 4 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] <... bpf resumed>) = 4 [pid 5167] close(3) = 0 [pid 5167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... openat resumed>) = -1 EEXIST (File exists) [pid 5167] <... bpf resumed>) = 3 [pid 5166] <... openat resumed>) = 3 [pid 5165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5164] perf_event_open( [pid 5163] <... exit_group resumed>) = ? [pid 5167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5166] write(3, "1000", 4 [pid 5165] <... bpf resumed>) = 5 [pid 5164] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5167] <... bpf resumed>) = 4 [pid 5165] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5165] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5166] <... write resumed>) = 4 [pid 5165] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5166] close(3 [pid 5165] perf_event_open( [pid 5164] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5165] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5167] <... bpf resumed>) = 5 [pid 5167] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5167] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5165] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5167] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5165] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] perf_event_open( [pid 5165] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5167] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5165] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5165] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5167] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] <... close resumed>) = 0 [pid 5165] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5167] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5167] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5165] <... bpf resumed>) = 7 [pid 5167] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5165] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5167] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5165] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5165] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5167] <... bpf resumed>) = 7 [pid 5165] <... openat resumed>) = -1 EEXIST (File exists) [pid 5167] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5165] perf_event_open( [pid 5167] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5165] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5167] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5165] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5167] perf_event_open( [pid 5165] <... socket resumed>) = 9 [pid 5164] <... socket resumed>) = 9 [pid 5167] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5166] <... bpf resumed>) = 3 [pid 5167] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5164] ioctl(9, SIOCSIFNAME, NULL [pid 5167] <... socket resumed>) = 9 [pid 5166] <... bpf resumed>) = 4 [pid 5165] ioctl(9, SIOCSIFNAME, NULL [pid 5164] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5163] +++ exited with 0 +++ [pid 5167] ioctl(9, SIOCSIFNAME, NULL [pid 5166] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5165] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5167] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5166] <... bpf resumed>) = 5 [pid 5165] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5164] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5166] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5167] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5166] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5164] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5167] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5166] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5165] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5164] perf_event_open(NULL, 0, 2, -1, 0 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5167] perf_event_open(NULL, 0, 2, -1, 0 [pid 5166] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5165] perf_event_open(NULL, 0, 2, -1, 0 [pid 5164] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5167] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5166] perf_event_open( [pid 5165] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5167] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5165] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5164] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5167] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5166] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5164] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5167] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5166] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5165] <... bpf resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5168 attached [pid 5167] exit_group(0 [pid 5166] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] exit_group(0 [pid 5164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5168] set_robust_list(0x555592841660, 24 [pid 5167] <... exit_group resumed>) = ? [pid 5166] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5165] <... exit_group resumed>) = ? [pid 5168] <... set_robust_list resumed>) = 0 [pid 5164] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5168 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] exit_group(0 [pid 5168] <... prctl resumed>) = 0 [pid 5168] setpgid(0, 0 [pid 5166] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5164] <... exit_group resumed>) = ? [pid 5168] <... setpgid resumed>) = 0 [pid 5166] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 5166] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5168] write(3, "1000", 4 [pid 5166] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5168] <... write resumed>) = 4 [pid 5166] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5168] close(3 [pid 5166] <... openat resumed>) = -1 EEXIST (File exists) [pid 5168] <... close resumed>) = 0 [pid 5166] perf_event_open( [pid 5168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5168] <... bpf resumed>) = 3 [pid 5166] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5166] <... socket resumed>) = 9 [pid 5168] <... bpf resumed>) = 4 [pid 5166] ioctl(9, SIOCSIFNAME, NULL) = -1 EFAULT (Bad address) [pid 5164] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5166] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5168] <... bpf resumed>) = 5 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5169 attached [pid 5168] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5166] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5169] set_robust_list(0x555592841660, 24 [pid 5168] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5166] perf_event_open(NULL, 0, 2, -1, 0 [pid 5168] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] perf_event_open( [pid 5166] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5166] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5169 [pid 5166] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] <... prctl resumed>) = 0 [pid 5166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5169] setpgid(0, 0 [pid 5168] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5166] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5169] <... setpgid resumed>) = 0 [pid 5168] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5168] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5166] exit_group(0 [pid 5169] <... openat resumed>) = 3 [pid 5168] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5169] write(3, "1000", 4 [pid 5168] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5169] <... write resumed>) = 4 [pid 5168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5166] <... exit_group resumed>) = ? [pid 5169] close(3 [pid 5168] <... bpf resumed>) = 7 [pid 5169] <... close resumed>) = 0 [pid 5168] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5168] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5169] <... bpf resumed>) = 4 [pid 5165] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5168] <... openat resumed>) = -1 EEXIST (File exists) [pid 5168] perf_event_open( [pid 5169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5168] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5167] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] <... bpf resumed>) = 5 [pid 5168] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5169] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5168] ioctl(9, SIOCSIFNAME, NULL [pid 5169] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5168] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5169] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0./strace-static-x86_64: Process 5170 attached ) = -1 ENOENT (No such file or directory) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] perf_event_open( [pid 5168] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5170 [pid 5169] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5168] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5170] set_robust_list(0x555592841660, 24 [pid 5169] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5170] <... set_robust_list resumed>) = 0 [pid 5169] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] perf_event_open(NULL, 0, 2, -1, 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5168] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5170] <... prctl resumed>) = 0 [pid 5169] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5170] setpgid(0, 0 [pid 5169] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5170] <... setpgid resumed>) = 0 [pid 5169] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5168] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5170] <... openat resumed>) = 3 [pid 5169] <... bpf resumed>) = 7 [pid 5168] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5169] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5168] exit_group(0 [pid 5170] write(3, "1000", 4 [pid 5169] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5170] <... write resumed>) = 4 [pid 5169] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5170] close(3 [pid 5169] <... openat resumed>) = -1 EEXIST (File exists) [pid 5168] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5171 attached [pid 5170] <... close resumed>) = 0 [pid 5170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] perf_event_open( [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5171 [pid 5169] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5170] <... bpf resumed>) = 3 [pid 5171] set_robust_list(0x555592841660, 24 [pid 5170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5166] +++ exited with 0 +++ [pid 5170] <... bpf resumed>) = 4 [pid 5169] <... socket resumed>) = 9 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5169] ioctl(9, SIOCSIFNAME, NULL [pid 5170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5170] <... bpf resumed>) = 5 [pid 5169] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5170] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5169] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5170] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5169] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5170] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5172 attached [pid 5170] perf_event_open( [pid 5169] perf_event_open(NULL, 0, 2, -1, 0 [pid 5172] set_robust_list(0x555592841660, 24 [pid 5170] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5169] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5172 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] <... prctl resumed>) = 0 [pid 5171] <... prctl resumed>) = 0 [pid 5172] setpgid(0, 0 [pid 5171] setpgid(0, 0) = 0 [pid 5172] <... setpgid resumed>) = 0 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5169] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... openat resumed>) = 3 [pid 5170] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] <... openat resumed>) = 3 [pid 5170] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5172] write(3, "1000", 4 [pid 5171] write(3, "1000", 4 [pid 5170] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5172] <... write resumed>) = 4 [pid 5171] <... write resumed>) = 4 [pid 5170] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5169] exit_group(0 [pid 5172] close(3 [pid 5171] close(3 [pid 5170] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5172] <... close resumed>) = 0 [pid 5171] <... close resumed>) = 0 [pid 5170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5169] <... exit_group resumed>) = ? [pid 5172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5172] <... bpf resumed>) = 3 [pid 5171] <... bpf resumed>) = 3 [pid 5170] <... bpf resumed>) = 7 [pid 5172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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_UPDATE_ELEM, NULL, 0 [pid 5172] <... bpf resumed>) = 4 [pid 5171] <... bpf resumed>) = 4 [pid 5168] +++ exited with 0 +++ [pid 5170] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5170] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5075] --- 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_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5171] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5170] perf_event_open( [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5170] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 ./strace-static-x86_64: Process 5173 attached [pid 5172] <... bpf resumed>) = 5 [pid 5171] <... bpf resumed>) = 5 [pid 5170] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5169] +++ exited with 0 +++ [pid 5172] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5171] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5171] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5173] set_robust_list(0x555592841660, 24 [pid 5172] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5171] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5173 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5171] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5171] perf_event_open( [pid 5170] <... socket resumed>) = 9 [pid 5173] <... prctl resumed>) = 0 [pid 5172] perf_event_open( [pid 5171] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5170] ioctl(9, SIOCSIFNAME, NULL [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5173] setpgid(0, 0 [pid 5172] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5171] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5170] <... ioctl resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5174 attached [pid 5173] <... setpgid resumed>) = 0 [pid 5172] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5171] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5170] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5174 [pid 5174] set_robust_list(0x555592841660, 24 [pid 5173] <... openat resumed>) = 3 [pid 5172] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5171] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] perf_event_open(NULL, 0, 2, -1, 0 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5172] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5173] write(3, "1000", 4 [pid 5172] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5171] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5173] <... write resumed>) = 4 [pid 5172] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5173] close(3 [pid 5172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5171] <... bpf resumed>) = 7 [pid 5173] <... close resumed>) = 0 [pid 5172] <... bpf resumed>) = 7 [pid 5171] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5172] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5171] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5172] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5171] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5173] <... bpf resumed>) = 3 [pid 5172] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5171] <... openat resumed>) = -1 EEXIST (File exists) [pid 5172] <... openat resumed>) = -1 EEXIST (File exists) [pid 5171] perf_event_open( [pid 5173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5173] <... bpf resumed>) = 4 [pid 5171] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5170] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5172] perf_event_open( [pid 5171] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5174] setpgid(0, 0 [pid 5173] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5172] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5170] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5174] <... setpgid resumed>) = 0 [pid 5173] <... bpf resumed>) = 5 [pid 5172] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5171] <... socket resumed>) = 9 [pid 5170] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5173] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5172] <... socket resumed>) = 9 [pid 5171] ioctl(9, SIOCSIFNAME, NULL [pid 5170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5174] <... openat resumed>) = 3 [pid 5170] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5174] write(3, "1000", 4 [pid 5173] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5170] exit_group(0 [pid 5174] <... write resumed>) = 4 [pid 5173] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5170] <... exit_group resumed>) = ? [pid 5174] close(3 [pid 5173] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5172] ioctl(9, SIOCSIFNAME, NULL [pid 5171] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5170] +++ exited with 0 +++ [pid 5174] <... close resumed>) = 0 [pid 5173] perf_event_open( [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=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 5173] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5174] <... bpf resumed>) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5175 [pid 5174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 5174] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5174] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0./strace-static-x86_64: Process 5175 attached [pid 5173] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5172] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5171] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5175] set_robust_list(0x555592841660, 24 [pid 5174] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5173] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5171] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5174] perf_event_open( [pid 5175] <... set_robust_list resumed>) = 0 [pid 5174] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5173] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5171] perf_event_open(NULL, 0, 2, -1, 0 [pid 5173] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5171] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5174] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5173] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5171] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5174] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5172] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5171] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] <... prctl resumed>) = 0 [pid 5174] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5173] <... bpf resumed>) = 7 [pid 5172] perf_event_open(NULL, 0, 2, -1, 0 [pid 5171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5175] setpgid(0, 0 [pid 5174] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5172] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5171] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5175] <... setpgid resumed>) = 0 [pid 5174] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5173] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5172] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5174] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5173] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5172] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5175] <... openat resumed>) = 3 [pid 5174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5173] <... openat resumed>) = -1 EEXIST (File exists) [pid 5172] exit_group(0 [pid 5171] exit_group(0 [pid 5175] write(3, "1000", 4 [pid 5173] perf_event_open( [pid 5174] <... bpf resumed>) = 7 [pid 5171] <... exit_group resumed>) = ? [pid 5175] <... write resumed>) = 4 [pid 5174] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5173] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5172] <... exit_group resumed>) = ? [pid 5174] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5175] close(3 [pid 5174] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5173] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5174] <... openat resumed>) = -1 EEXIST (File exists) [pid 5175] <... close resumed>) = 0 [pid 5174] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5174] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5173] <... socket resumed>) = 9 [pid 5175] <... bpf resumed>) = 3 [pid 5174] <... socket resumed>) = 9 [pid 5173] ioctl(9, SIOCSIFNAME, NULL [pid 5175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5174] ioctl(9, SIOCSIFNAME, NULL [pid 5173] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5172] +++ exited with 0 +++ [pid 5174] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5173] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5174] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5175] <... bpf resumed>) = 4 [pid 5173] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5174] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5171] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5174] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5176 attached [pid 5176] set_robust_list(0x555592841660, 24 [pid 5174] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5176 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5173] perf_event_open(NULL, 0, 2, -1, 0./strace-static-x86_64: Process 5177 attached [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5174] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5177] set_robust_list(0x555592841660, 24 [pid 5176] <... prctl resumed>) = 0 [pid 5175] <... bpf resumed>) = 5 [pid 5174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5177 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5175] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5176] setpgid(0, 0 [pid 5173] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5176] <... setpgid resumed>) = 0 [pid 5175] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5174] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5177] <... prctl resumed>) = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5173] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] setpgid(0, 0 [pid 5176] <... openat resumed>) = 3 [pid 5174] exit_group(0 [pid 5177] <... setpgid resumed>) = 0 [pid 5175] perf_event_open( [pid 5173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5174] <... exit_group resumed>) = ? [pid 5173] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] write(3, "1000", 4 [pid 5173] exit_group(0 [pid 5176] <... write resumed>) = 4 [pid 5173] <... exit_group resumed>) = ? [pid 5177] <... openat resumed>) = 3 [pid 5176] close(3) = 0 [pid 5177] write(3, "1000", 4 [pid 5176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5177] <... write resumed>) = 4 [pid 5176] <... bpf resumed>) = 3 [pid 5177] close(3 [pid 5176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5177] <... close resumed>) = 0 [pid 5175] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5175] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] <... bpf resumed>) = 3 [pid 5176] <... bpf resumed>) = 4 [pid 5175] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5177] <... bpf resumed>) = 4 [pid 5176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5174] +++ exited with 0 +++ [pid 5177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5175] <... bpf resumed>) = 7 [pid 5175] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5175] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5175] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5175] <... openat resumed>) = -1 EEXIST (File exists) [pid 5175] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached [pid 5175] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5178] set_robust_list(0x555592841660, 24 [pid 5175] <... socket resumed>) = 9 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] ioctl(9, SIOCSIFNAME, NULL [pid 5178] <... prctl resumed>) = 0 [pid 5177] <... bpf resumed>) = 5 [pid 5176] <... bpf resumed>) = 5 [pid 5173] +++ exited with 0 +++ [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5178 [pid 5177] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5176] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5177] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5176] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5178] setpgid(0, 0 [pid 5177] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5176] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5175] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5178] <... setpgid resumed>) = 0 [pid 5177] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5176] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5178] <... openat resumed>) = 3 [pid 5177] perf_event_open( [pid 5176] perf_event_open( [pid 5175] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] write(3, "1000", 4./strace-static-x86_64: Process 5179 attached ) = 4 [pid 5177] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5176] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5175] perf_event_open(NULL, 0, 2, -1, 0 [pid 5179] set_robust_list(0x555592841660, 24) = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5178] close(3 [pid 5177] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5176] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] <... prctl resumed>) = 0 [pid 5177] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5179 [pid 5179] setpgid(0, 0 [pid 5176] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] <... setpgid resumed>) = 0 [pid 5177] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5176] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5177] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5177] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5179] <... openat resumed>) = 3 [pid 5177] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5176] <... bpf resumed>) = 7 [pid 5177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5179] write(3, "1000", 4 [pid 5177] <... bpf resumed>) = 7 [pid 5176] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5179] <... write resumed>) = 4 [pid 5177] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5176] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5179] close(3 [pid 5177] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5176] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5179] <... close resumed>) = 0 [pid 5177] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5176] <... openat resumed>) = -1 EEXIST (File exists) [pid 5179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5177] <... openat resumed>) = -1 EEXIST (File exists) [pid 5176] perf_event_open( [pid 5179] <... bpf resumed>) = 3 [pid 5177] perf_event_open( [pid 5176] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5177] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5177] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5176] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5177] <... socket resumed>) = 9 [pid 5176] <... socket resumed>) = 9 [pid 5179] <... bpf resumed>) = 4 [pid 5177] ioctl(9, SIOCSIFNAME, NULL [pid 5176] ioctl(9, SIOCSIFNAME, NULL [pid 5179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5178] <... close resumed>) = 0 [pid 5177] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5175] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5179] <... bpf resumed>) = 5 [pid 5178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5179] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5178] <... bpf resumed>) = 3 [pid 5177] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5179] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5179] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5178] <... bpf resumed>) = 4 [pid 5177] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5175] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5177] perf_event_open(NULL, 0, 2, -1, 0 [pid 5176] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5179] perf_event_open( [pid 5178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5177] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5176] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5175] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5179] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5178] <... bpf resumed>) = 5 [pid 5177] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5175] exit_group(0 [pid 5179] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5178] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5177] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5175] <... exit_group resumed>) = ? [pid 5179] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5176] perf_event_open(NULL, 0, 2, -1, 0 [pid 5179] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5178] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5177] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5176] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5179] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5179] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5178] perf_event_open( [pid 5179] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5178] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5178] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5177] exit_group(0 [pid 5176] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5175] +++ exited with 0 +++ [pid 5179] <... bpf resumed>) = 7 [pid 5178] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] <... exit_group resumed>) = ? [pid 5176] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5178] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5179] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5178] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5178] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5179] <... openat resumed>) = -1 EEXIST (File exists) [pid 5178] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5179] perf_event_open( [pid 5178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5179] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5178] <... bpf resumed>) = 7 [pid 5179] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5178] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5179] ioctl(9, SIOCSIFNAME, NULL [pid 5178] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5179] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5178] <... openat resumed>) = -1 EEXIST (File exists) [pid 5176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5179] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5178] perf_event_open( [pid 5176] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5179] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5178] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5178] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5179] perf_event_open(NULL, 0, 2, -1, 0 [pid 5178] <... socket resumed>) = 9 [pid 5179] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5179] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5178] ioctl(9, SIOCSIFNAME, NULL [pid 5179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5178] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5176] exit_group(0 [pid 5179] <... bpf resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5180 attached [pid 5179] exit_group(0 [pid 5178] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5176] <... exit_group resumed>) = ? [pid 5180] set_robust_list(0x555592841660, 24 [pid 5179] <... exit_group resumed>) = ? [pid 5178] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5177] +++ exited with 0 +++ [pid 5180] <... set_robust_list resumed>) = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] perf_event_open(NULL, 0, 2, -1, 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] <... clone resumed>, child_tidptr=0x555592841650) = 5180 [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5180] <... prctl resumed>) = 0 [pid 5180] setpgid(0, 0 [pid 5178] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5180] <... setpgid resumed>) = 0 [pid 5178] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5178] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... openat resumed>) = 3 [pid 5178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5180] write(3, "1000", 4 [pid 5178] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5176] +++ exited with 0 +++ ./strace-static-x86_64: Process 5181 attached [pid 5180] <... write resumed>) = 4 [pid 5178] exit_group(0 [pid 5181] set_robust_list(0x555592841660, 24) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555592841650) = 5181 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5181] setpgid(0, 0 [pid 5180] close(3 [pid 5179] +++ exited with 0 +++ [pid 5178] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5181] <... setpgid resumed>) = 0 [pid 5180] <... close resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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 5181] write(3, "1000", 4 [pid 5180] <... bpf resumed>) = 3 [pid 5181] <... write resumed>) = 4 [pid 5181] close(3 [pid 5180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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./strace-static-x86_64: Process 5182 attached [pid 5181] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5182] set_robust_list(0x555592841660, 24 [pid 5181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5180] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5183 attached [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] <... bpf resumed>) = 3 [pid 5180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5075] <... clone resumed>, child_tidptr=0x555592841650) = 5182 [pid 5183] set_robust_list(0x555592841660, 24 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... set_robust_list resumed>) = 0 [pid 5182] <... prctl resumed>) = 0 [pid 5181] <... bpf resumed>) = 4 [pid 5180] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x555592841650) = 5183 [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5182] setpgid(0, 0) = 0 [pid 5181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5180] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5183] <... prctl resumed>) = 0 [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] setpgid(0, 0 [pid 5180] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... openat resumed>) = 3 [pid 5180] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5183] <... setpgid resumed>) = 0 [pid 5182] write(3, "1000", 4 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5182] <... write resumed>) = 4 [pid 5180] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5182] close(3 [pid 5183] <... openat resumed>) = 3 [pid 5182] <... close resumed>) = 0 [pid 5180] perf_event_open( [pid 5182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] write(3, "1000", 4 [pid 5182] <... bpf resumed>) = 3 [pid 5183] <... write resumed>) = 4 [pid 5182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, 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 5183] close(3 [pid 5182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5183] <... close resumed>) = 0 [pid 5181] <... bpf resumed>) = 5 [pid 5180] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5178] +++ exited with 0 +++ [pid 5183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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 resumed>) = 5 [pid 5181] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5180] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5183] <... bpf resumed>) = 3 [pid 5182] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5181] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5180] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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>) = -1 EINVAL (Invalid argument) [pid 5181] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5180] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5183] <... bpf resumed>) = 4 [pid 5182] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5181] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5180] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5181] perf_event_open( [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5184 attached [pid 5183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5182] perf_event_open( [pid 5181] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5180] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5183] <... bpf resumed>) = 5 [pid 5182] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5184] set_robust_list(0x555592841660, 24 [pid 5183] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5181] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5180] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5184] <... set_robust_list resumed>) = 0 [pid 5180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] <... bpf resumed>) = 7 [pid 5184] <... prctl resumed>) = 0 [pid 5183] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5182] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5181] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5184 [pid 5184] setpgid(0, 0 [pid 5183] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5182] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5180] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5183] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5182] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5181] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] <... setpgid resumed>) = 0 [pid 5180] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] perf_event_open( [pid 5182] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5184] <... openat resumed>) = 3 [pid 5183] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5182] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5181] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5180] <... openat resumed>) = -1 EEXIST (File exists) [pid 5184] write(3, "1000", 4 [pid 5183] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5182] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5180] perf_event_open( [pid 5184] <... write resumed>) = 4 [pid 5183] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5181] <... bpf resumed>) = 7 [pid 5184] close(3 [pid 5183] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5182] <... bpf resumed>) = 7 [pid 5181] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5180] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5184] <... close resumed>) = 0 [pid 5183] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5181] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5180] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5182] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5181] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5183] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5182] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5181] <... openat resumed>) = -1 EEXIST (File exists) [pid 5183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5182] <... openat resumed>) = -1 EEXIST (File exists) [pid 5184] <... bpf resumed>) = 3 [pid 5183] <... bpf resumed>) = 7 [pid 5182] perf_event_open( [pid 5181] perf_event_open( [pid 5183] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5182] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5181] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5183] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5182] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5181] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5183] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... openat resumed>) = -1 EEXIST (File exists) [pid 5182] <... socket resumed>) = 9 [pid 5180] <... socket resumed>) = 9 [pid 5184] <... bpf resumed>) = 4 [pid 5183] perf_event_open( [pid 5181] <... socket resumed>) = 9 [pid 5184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5183] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5182] ioctl(9, SIOCSIFNAME, NULL [pid 5181] ioctl(9, SIOCSIFNAME, NULL [pid 5180] ioctl(9, SIOCSIFNAME, NULL [pid 5184] <... bpf resumed>) = 5 [pid 5183] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5182] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5181] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5184] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5183] <... socket resumed>) = 9 [pid 5180] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5184] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5183] ioctl(9, SIOCSIFNAME, NULL [pid 5182] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5181] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5184] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5180] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5184] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5183] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5182] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5180] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5184] perf_event_open( [pid 5183] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0 [pid 5182] perf_event_open(NULL, 0, 2, -1, 0 [pid 5181] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5184] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5183] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5182] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5181] perf_event_open(NULL, 0, 2, -1, 0 [pid 5180] perf_event_open(NULL, 0, 2, -1, 0 [pid 5184] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5183] perf_event_open(NULL, 0, 2, -1, 0 [pid 5182] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5181] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5180] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5184] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] <... perf_event_open resumed>) = -1 EFAULT (Bad address) [pid 5182] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5184] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1 [pid 5183] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5180] recvmsg(-1, NULL, MSG_DONTWAIT [pid 5184] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5181] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0 [pid 5183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5182] exit_group(0 [pid 5181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5180] <... recvmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] <... bpf resumed>, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5183] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... exit_group resumed>) = ? [pid 5181] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144 [pid 5184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5180] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... bpf resumed>) = 7 [pid 5184] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5183] exit_group(0 [pid 5180] exit_group(0 [pid 5184] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5184] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 5184] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5180] <... exit_group resumed>) = ? [pid 5181] exit_group(0 [pid 5184] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP) = 9 [pid 5183] <... exit_group resumed>) = ? [pid 5181] <... exit_group resumed>) = ? [pid 5184] ioctl(9, SIOCSIFNAME, NULL) = -1 EFAULT (Bad address) [pid 5184] ioctl(9, _IOC(_IOC_NONE, 0x89, 0xe2, 0), 0) = -1 EFAULT (Bad address) [pid 5184] perf_event_open(NULL, 0, 2, -1, 0) = -1 EFAULT (Bad address) [pid 5184] recvmsg(-1, NULL, MSG_DONTWAIT) = -1 EBADF (Bad file descriptor) [pid 5184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=23, insns=NULL, license=NULL, log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 17, 0), prog_flags=0x40 /* BPF_F_??? */, prog_name="", prog_ifindex=0, expected_attach_type=BPF_MODIFY_RETURN, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=-1, fd_array=NULL, ...}, 144) = -1 EINVAL (Invalid argument) [pid 5184] exit_group(0) = ? [pid 5180] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5185 attached , child_tidptr=0x555592841650) = 5185 [ 75.782456][ T5181] ================================================================== [ 75.791032][ T5181] BUG: KASAN: slab-use-after-free in bpf_trace_run2+0xfa/0x530 [ 75.798644][ T5181] Read of size 8 at addr ffff88802403fe18 by task syz-executor825/5181 [ 75.806963][ T5181] [ 75.809305][ T5181] CPU: 0 PID: 5181 Comm: syz-executor825 Not tainted 6.8.0-syzkaller-05233-g520fad2e3206 #0 [ 75.819585][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [pid 5185] set_robust_list(0x555592841660, 24) = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5184] +++ exited with 0 +++ [pid 5185] <... openat resumed>) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5185] write(3, "1000", 4) = 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] close(3) = 0 ./strace-static-x86_64: Process 5186 attached [pid 5185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5186] set_robust_list(0x555592841660, 24 [pid 5185] <... bpf resumed>) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x555592841650) = 5186 [pid 5186] <... set_robust_list resumed>) = 0 [pid 5185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] <... bpf resumed>) = 4 [pid 5186] <... prctl resumed>) = 0 [pid 5186] setpgid(0, 0) = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5186] <... openat resumed>) = 3 [pid 5185] <... bpf resumed>) = 5 [pid 5186] write(3, "1000", 4 [pid 5185] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5186] <... write resumed>) = 4 [pid 5185] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5186] close(3 [pid 5185] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5186] <... close resumed>) = 0 [pid 5186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PERCPU_HASH, key_size=4, value_size=8, max_entries=8, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5185] perf_event_open( [pid 5186] <... bpf resumed>) = 3 [pid 5185] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20001bc0, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, 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 5185] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5185] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5185] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 5185] <... bpf resumed>) = 7 [pid 5186] <... bpf resumed>) = 5 [pid 5185] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5186] bpf(BPF_OBJ_GET_INFO_BY_FD, NULL, 0 [pid 5185] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5186] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5185] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5186] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 5185] <... openat resumed>) = -1 EEXIST (File exists) [pid 5186] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 5186] perf_event_open( [pid 5185] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [pid 5186] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=297, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5185] socket(AF_INET, SOCK_RAW, IPPROTO_IGMP [pid 5186] ioctl(6, PERF_EVENT_IOC_SET_BPF, -1 [pid 5185] <... socket resumed>) = 9 [pid 5186] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] ioctl(-1, PERF_EVENT_IOC_SET_BPF, -1) = -1 EBADF (Bad file descriptor) [pid 5186] bpf(BPF_OBJ_GET_INFO_BY_FD, {info={bpf_fd=-1, info_len=0, info=NULL}}, 16) = -1 EBADFD (File descriptor in bad state) [pid 5186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_PROG_ARRAY, key_size=4, value_size=4, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5185] ioctl(9, SIOCSIFNAME, NULL [ 75.829938][ T5181] Call Trace: [ 75.833343][ T5181] [ 75.836318][ T5181] dump_stack_lvl+0x1e7/0x2e0 [ 75.841072][ T5181] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.846986][ T5181] ? __pfx__printk+0x10/0x10 [ 75.851873][ T5181] ? _printk+0xd5/0x120 [ 75.856051][ T5181] ? __virt_addr_valid+0x183/0x520 [ 75.861209][ T5181] ? __virt_addr_valid+0x183/0x520 [ 75.866434][ T5181] print_report+0x169/0x550 [ 75.871033][ T5181] ? __virt_addr_valid+0x183/0x520 [ 75.876650][ T5181] ? __virt_addr_valid+0x183/0x520 [ 75.882298][ T5181] ? __virt_addr_valid+0x44e/0x520 [ 75.887466][ T5181] ? __phys_addr+0xba/0x170 [ 75.893515][ T5181] ? bpf_trace_run2+0xfa/0x530 [ 75.898403][ T5181] kasan_report+0x143/0x180 [ 75.903464][ T5181] ? bpf_trace_run2+0xfa/0x530 [ 75.908443][ T5181] bpf_trace_run2+0xfa/0x530 [ 75.913337][ T5181] ? __pfx_bpf_trace_run2+0x10/0x10 [ 75.918708][ T5181] ? __vm_area_free+0x42/0x110 [ 75.923555][ T5181] ? __pfx___might_resched+0x10/0x10 [ 75.928841][ T5181] ? __vm_area_free+0x42/0x110 [ 75.934139][ T5181] __traceiter_kfree+0x2b/0x50 [ 75.939689][ T5181] ? __vm_area_free+0x42/0x110 [ 75.944937][ T5181] kfree+0x291/0x380 [ 75.949551][ T5181] ? mas_find+0x950/0xbb0 [ 75.954072][ T5181] __vm_area_free+0x42/0x110 [ 75.958754][ T5181] exit_mmap+0x6a9/0xd40 [ 75.963194][ T5181] ? __pfx_exit_mmap+0x10/0x10 [ 75.968651][ T5181] ? __asan_memset+0x23/0x50 [ 75.973687][ T5181] ? __sanitizer_cov_trace_pc+0x8/0x70 [ 75.979409][ T5181] ? uprobe_clear_state+0x277/0x290 [ 75.984884][ T5181] ? mm_update_next_owner+0x53c/0x660 [ 75.990427][ T5181] __mmput+0x115/0x3c0 [ 75.994576][ T5181] exit_mm+0x220/0x310 [ 75.998636][ T5181] ? __pfx_exit_mm+0x10/0x10 [ 76.003660][ T5181] ? taskstats_exit+0x348/0xa70 [ 76.008769][ T5181] ? tty_audit_exit+0x155/0x200 [ 76.013736][ T5181] do_exit+0x99e/0x27e0 [ 76.017941][ T5181] ? __pfx_do_exit+0x10/0x10 [ 76.022632][ T5181] ? lockdep_hardirqs_on+0x99/0x150 [ 76.028005][ T5181] do_group_exit+0x207/0x2c0 [ 76.033134][ T5181] __x64_sys_exit_group+0x3f/0x40 [ 76.038940][ T5181] do_syscall_64+0xfb/0x240 [ 76.044227][ T5181] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.050295][ T5181] RIP: 0033:0x7f1b740cd5b9 [ 76.054962][ T5181] Code: Unable to access opcode bytes at 0x7f1b740cd58f. [ 76.062086][ T5181] RSP: 002b:00007fff63aedf08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 76.070711][ T5181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b740cd5b9 [ 76.079523][ T5181] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 76.087531][ T5181] RBP: 00007f1b741482d0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 76.097173][ T5181] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b741482d0 [ 76.105611][ T5181] R13: 0000000000000000 R14: 00007f1b74148d40 R15: 00007f1b7409e740 [ 76.113708][ T5181] [ 76.116768][ T5181] [ 76.119172][ T5181] Allocated by task 5184: [ 76.123532][ T5181] kasan_save_track+0x3f/0x80 [ 76.128420][ T5181] __kasan_kmalloc+0x98/0xb0 [ 76.133656][ T5181] kmalloc_trace+0x1d9/0x360 [ 76.138534][ T5181] bpf_raw_tp_link_attach+0x2a0/0x6e0 [ 76.143953][ T5181] bpf_raw_tracepoint_open+0x1c2/0x240 [ 76.149680][ T5181] __sys_bpf+0x3c0/0x810 [ 76.154044][ T5181] __x64_sys_bpf+0x7c/0x90 [ 76.158671][ T5181] do_syscall_64+0xfb/0x240 [ 76.164509][ T5181] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.171147][ T5181] [ 76.173805][ T5181] Freed by task 5184: [ 76.178520][ T5181] kasan_save_track+0x3f/0x80 [ 76.183205][ T5181] kasan_save_free_info+0x40/0x50 [ 76.188404][ T5181] poison_slab_object+0xa6/0xe0 [ 76.193251][ T5181] __kasan_slab_free+0x37/0x60 [ 76.198187][ T5181] kfree+0x14a/0x380 [ 76.202180][ T5181] bpf_link_release+0x3b/0x50 [ 76.207115][ T5181] __fput+0x429/0x8a0 [ 76.211967][ T5181] task_work_run+0x24f/0x310 [ 76.216987][ T5181] do_exit+0xa1b/0x27e0 [ 76.221479][ T5181] do_group_exit+0x207/0x2c0 [ 76.226152][ T5181] __x64_sys_exit_group+0x3f/0x40 [ 76.231251][ T5181] do_syscall_64+0xfb/0x240 [ 76.236014][ T5181] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.241937][ T5181] [ 76.244368][ T5181] The buggy address belongs to the object at ffff88802403fe00 [ 76.244368][ T5181] which belongs to the cache kmalloc-128 of size 128 [ 76.259914][ T5181] The buggy address is located 24 bytes inside of [ 76.259914][ T5181] freed 128-byte region [ffff88802403fe00, ffff88802403fe80) [ 76.273984][ T5181] [ 76.276307][ T5181] The buggy address belongs to the physical page: [ 76.282792][ T5181] page:ffffea0000900fc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2403f [ 76.292978][ T5181] flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff) [ 76.300542][ T5181] page_type: 0xffffffff() [ 76.304995][ T5181] raw: 00fff00000000800 ffff888014c418c0 dead000000000122 0000000000000000 [ 76.313848][ T5181] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 76.322798][ T5181] page dumped because: kasan: bad access detected [ 76.329422][ T5181] page_owner tracks the page as allocated [ 76.335237][ T5181] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 5179, tgid 5179 (syz-executor825), ts 75347568865, free_ts 75347163426 [ 76.357401][ T5181] post_alloc_hook+0x1ea/0x210 [ 76.362194][ T5181] get_page_from_freelist+0x33ea/0x3580 [ 76.368003][ T5181] __alloc_pages+0x256/0x680 [ 76.373197][ T5181] alloc_slab_page+0x5f/0x160 [ 76.377866][ T5181] new_slab+0x84/0x2f0 [ 76.381920][ T5181] ___slab_alloc+0xd1b/0x13e0 [ 76.386671][ T5181] __kmalloc_node_track_caller+0x2d4/0x4e0 [ 76.392582][ T5181] krealloc+0x7d/0x120 [ 76.396653][ T5181] copy_verifier_state+0x95a/0xf30 [ 76.401751][ T5181] do_check+0x4327/0x10500 [ 76.406199][ T5181] do_check_common+0x14bd/0x1dd0 [ 76.411270][ T5181] bpf_check+0x136ab/0x190c0 [ 76.416143][ T5181] bpf_prog_load+0x1667/0x20f0 [ 76.420931][ T5181] __sys_bpf+0x4ee/0x810 [ 76.425327][ T5181] __x64_sys_bpf+0x7c/0x90 [ 76.429997][ T5181] do_syscall_64+0xfb/0x240 [ 76.434544][ T5181] page last free pid 5179 tgid 5179 stack trace: [ 76.441147][ T5181] free_unref_page_prepare+0x968/0xa90 [ 76.446629][ T5181] free_unref_page+0x37/0x3f0 [ 76.451608][ T5181] vfree+0x186/0x2e0 [ 76.456051][ T5181] bpf_prog_calc_tag+0x663/0x900 [ 76.461112][ T5181] resolve_pseudo_ldimm64+0xe2/0x1650 [ 76.468182][ T5181] bpf_check+0x6175/0x190c0 [ 76.472725][ T5181] bpf_prog_load+0x1667/0x20f0 [ 76.477843][ T5181] __sys_bpf+0x4ee/0x810 [ 76.482080][ T5181] __x64_sys_bpf+0x7c/0x90 [ 76.486679][ T5181] do_syscall_64+0xfb/0x240 [ 76.491386][ T5181] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.501754][ T5181] [ 76.504074][ T5181] Memory state around the buggy address: [ 76.509692][ T5181] ffff88802403fd00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 76.517873][ T5181] ffff88802403fd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 76.525924][ T5181] >ffff88802403fe00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 76.534138][ T5181] ^ [ 76.540345][ T5181] ffff88802403fe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 76.548414][ T5181] ffff88802403ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 76.556482][ T5181] ================================================================== [ 76.567595][ T5181] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 76.575245][ T5181] CPU: 0 PID: 5181 Comm: syz-executor825 Not tainted 6.8.0-syzkaller-05233-g520fad2e3206 #0 [pid 5186] <... bpf resumed>) = 7 [pid 5183] +++ exited with 0 +++ [pid 5182] +++ exited with 0 +++ [pid 5186] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5186] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5186] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5186] <... openat resumed>) = -1 EEXIST (File exists) [pid 5075] <... restart_syscall resumed>) = 0 [pid 5186] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=15427, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, 0) = 8 [ 76.586553][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 76.597197][ T5181] Call Trace: [ 76.601080][ T5181] [ 76.604736][ T5181] dump_stack_lvl+0x1e7/0x2e0 [ 76.610225][ T5181] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.615461][ T5181] ? __pfx__printk+0x10/0x10 [ 76.620248][ T5181] ? vscnprintf+0x5d/0x90 [ 76.624681][ T5181] panic+0x349/0x860 [ 76.629393][ T5181] ? check_panic_on_warn+0x21/0xb0 [ 76.636109][ T5181] ? __pfx_panic+0x10/0x10 [ 76.640884][ T5181] ? mark_lock+0x9a/0x350 [ 76.646027][ T5181] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 76.651997][ T5181] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.658508][ T5181] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.664874][ T5181] ? print_report+0x502/0x550 [ 76.669579][ T5181] check_panic_on_warn+0x86/0xb0 [ 76.674763][ T5181] ? bpf_trace_run2+0xfa/0x530 [ 76.679936][ T5181] end_report+0x6e/0x140 [ 76.684556][ T5181] kasan_report+0x154/0x180 [ 76.689076][ T5181] ? bpf_trace_run2+0xfa/0x530 [ 76.693858][ T5181] bpf_trace_run2+0xfa/0x530 [ 76.698478][ T5181] ? __pfx_bpf_trace_run2+0x10/0x10 [ 76.703931][ T5181] ? __vm_area_free+0x42/0x110 [ 76.708955][ T5181] ? __pfx___might_resched+0x10/0x10 [ 76.714403][ T5181] ? __vm_area_free+0x42/0x110 [ 76.719776][ T5181] __traceiter_kfree+0x2b/0x50 [ 76.725805][ T5181] ? __vm_area_free+0x42/0x110 [ 76.730764][ T5181] kfree+0x291/0x380 [ 76.734706][ T5181] ? mas_find+0x950/0xbb0 [ 76.739079][ T5181] __vm_area_free+0x42/0x110 [ 76.744274][ T5181] exit_mmap+0x6a9/0xd40 [ 76.748538][ T5181] ? __pfx_exit_mmap+0x10/0x10 [ 76.753519][ T5181] ? __asan_memset+0x23/0x50 [ 76.758107][ T5181] ? __sanitizer_cov_trace_pc+0x8/0x70 [ 76.763560][ T5181] ? uprobe_clear_state+0x277/0x290 [ 76.768755][ T5181] ? mm_update_next_owner+0x53c/0x660 [ 76.774122][ T5181] __mmput+0x115/0x3c0 [ 76.778532][ T5181] exit_mm+0x220/0x310 [ 76.782603][ T5181] ? __pfx_exit_mm+0x10/0x10 [ 76.787444][ T5181] ? taskstats_exit+0x348/0xa70 [ 76.792772][ T5181] ? tty_audit_exit+0x155/0x200 [ 76.797929][ T5181] do_exit+0x99e/0x27e0 [ 76.802094][ T5181] ? __pfx_do_exit+0x10/0x10 [ 76.806697][ T5181] ? lockdep_hardirqs_on+0x99/0x150 [ 76.812031][ T5181] do_group_exit+0x207/0x2c0 [ 76.817149][ T5181] __x64_sys_exit_group+0x3f/0x40 [ 76.822448][ T5181] do_syscall_64+0xfb/0x240 [ 76.826965][ T5181] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.833848][ T5181] RIP: 0033:0x7f1b740cd5b9 [ 76.838643][ T5181] Code: Unable to access opcode bytes at 0x7f1b740cd58f. [ 76.845923][ T5181] RSP: 002b:00007fff63aedf08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 76.855053][ T5181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b740cd5b9 [ 76.863311][ T5181] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 76.871734][ T5181] RBP: 00007f1b741482d0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 76.879955][ T5181] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b741482d0 [ 76.888181][ T5181] R13: 0000000000000000 R14: 00007f1b74148d40 R15: 00007f1b7409e740 [ 76.896464][ T5181] [ 76.899831][ T5181] Kernel Offset: disabled [ 76.904255][ T5181] Rebooting in 86400 seconds..