./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4272462360

<...>
Warning: Permanently added '10.128.0.43' (ED25519) to the list of known hosts.
execve("./syz-executor4272462360", ["./syz-executor4272462360"], 0x7fff314646d0 /* 10 vars */) = 0
brk(NULL)                               = 0x555583db9000
brk(0x555583db9d00)                     = 0x555583db9d00
arch_prctl(ARCH_SET_FS, 0x555583db9380) = 0
set_tid_address(0x555583db9650)         = 5839
set_robust_list(0x555583db9660, 24)     = 0
rseq(0x555583db9ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4272462360", 4096) = 28
getrandom("\xb0\xa1\x59\xa0\x20\x6c\x9f\x1b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555583db9d00
brk(0x555583ddad00)                     = 0x555583ddad00
brk(0x555583ddb000)                     = 0x555583ddb000
mprotect(0x7f0b53b09000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached
, child_tidptr=0x555583db9650) = 5840
[pid  5840] set_robust_list(0x555583db9660, 24) = 0
[pid  5839] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "10000000000", 11) = 11
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "20", 2)           = 2
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "0", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "0", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "100", 3)          = 3
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "0", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "0", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "7 4 1 3", 7)      = 7
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "0", 1)            = 1
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "5840", 4)         = 4
[pid  5839] close(3)                    = 0
[pid  5839] kill(5840, SIGKILL)         = 0
[pid  5840] +++ killed by SIGKILL +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5840, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
, child_tidptr=0x555583db9650) = 5841
[pid  5841] set_robust_list(0x555583db9660, 24) = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5841] getppid()                   = 0
[pid  5841] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5841] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5841] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5841] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5841] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5841] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5841] unshare(CLONE_NEWNS)        = 0
[pid  5841] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5841] unshare(CLONE_NEWIPC)       = 0
[pid  5841] unshare(CLONE_NEWCGROUP)    = 0
[pid  5841] unshare(CLONE_NEWUTS)       = 0
[pid  5841] unshare(CLONE_SYSVSEM)      = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "16777216", 8)     = 8
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "536870912", 9)    = 9
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "1024", 4)         = 4
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "8192", 4)         = 4
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "1024", 4)         = 4
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "1024", 4)         = 4
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5841] close(3)                    = 0
[pid  5841] getpid()                    = 1
[pid  5841] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5841] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5841] unshare(CLONE_NEWNET)       = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "0 65535", 7)      = 7
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/dev/rfkill", O_RDWR) = 3
[pid  5841] write(3, "\x00\x00\x00\x00\x00\x03\x00\x00", 8) = 8
[pid  5841] close(3)                    = 0
[pid  5841] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3
[pid  5841] sendto(3, [{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 40
[pid  5841] recvfrom(3, [{nlmsg_len=244, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00\x06\x00\x01\x00\x2d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x1d\x00\x00\x00\x90\x00\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0a\x00\x00\x00"...], 4096, 0, NULL, NULL) = 244
[pid  5841] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5841] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32
[pid  5841] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x51\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556
[pid  5841] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5841] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2d /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36
[pid  5841] recvfrom(3, [{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=2, msg=[{nlmsg_len=36, nlmsg_type=0x2d /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"]}], 4096, 0, NULL, NULL) = 56
[pid  5841] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5841] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0
[pid  5841] close(4)                    = 0
[pid  5841] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36
[pid  5841] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5841] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
[pid  5841] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0
[pid  5841] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST}) = 0
[pid  5841] close(4)                    = 0
[pid  5841] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64
[pid  5841] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5841] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2d /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36
[pid  5841] recvfrom(3, [{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=3, msg=[{nlmsg_len=36, nlmsg_type=0x2d /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"]}], 4096, 0, NULL, NULL) = 56
[pid  5841] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5841] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1", ifr_ifindex=12}) = 0
[pid  5841] close(4)                    = 0
[pid  5841] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36
[pid  5841] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5841] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
[   90.250797][ T1340] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   90.259131][ T1340] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[pid  5841] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0
[pid  5841] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST}) = 0
[pid  5841] close(4)                    = 0
[pid  5841] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64
[pid  5841] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5841] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5841] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0
[pid  5841] close(4)                    = 0
[pid  5841] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4
[pid  5841] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32
[   90.374546][ T3005] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   90.382456][ T3005] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[pid  5841] recvfrom(4, [{nlmsg_len=1476, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0b\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x30\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x05\x00\x43\x00\x01\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1476
[pid  5841] close(4)                    = 0
[pid  5841] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5841] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1", ifr_ifindex=12}) = 0
[pid  5841] close(4)                    = 0
[pid  5841] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4
[pid  5841] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32
[pid  5841] recvfrom(4, [{nlmsg_len=1476, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0c\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x31\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x05\x00\x43\x00\x01\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1476
[pid  5841] close(4)                    = 0
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "100000", 6)       = 6
[pid  5841] close(3)                    = 0
[pid  5841] mkdir("./syz-tmp", 0777)    = 0
[pid  5841] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5841] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5841] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5841] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5841] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5841] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5841] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5841] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5841] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5841] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5841] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5841] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5841] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5841] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5841] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5841] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5841] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5841] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5841] chdir("/")                  = 0
[pid  5841] umount2("./pivot", MNT_DETACH) = 0
[pid  5841] chroot("./newroot")         = 0
[pid  5841] chdir("/")                  = 0
[pid  5841] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5841] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5841] mkdir("/dev/binderfs", 0777) = 0
[pid  5841] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5841] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5841] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5841] write(1, "executing program\n", 18executing program
) = 18
[pid  5841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, 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  5841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SYSCALL, insn_cnt=13, insns=0x200000000100, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=BPF_F_TEST_RND_HI32|BPF_F_SLEEPABLE|0x20, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, 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=0, fd_array=NULL, ...}, 148) = 4
[   90.608844][ T5841] 
[   90.611341][ T5841] =============================
[   90.616256][ T5841] WARNING: suspicious RCU usage
[   90.621131][ T5841] 6.15.0-syzkaller-g02670deede22 #0 Not tainted
[   90.627970][ T5841] -----------------------------
[   90.632835][ T5841] net/core/netclassid_cgroup.c:24 suspicious rcu_dereference_check() usage!
[   90.641921][ T5841] 
[   90.641921][ T5841] other info that might help us debug this:
[   90.641921][ T5841] 
[   90.652628][ T5841] 
[   90.652628][ T5841] rcu_scheduler_active = 2, debug_locks = 1
[   90.661206][ T5841] 1 lock held by syz-executor427/5841:
[   90.666728][ T5841]  #0: ffffffff8e13f240 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x38/0x80
[   90.677049][ T5841] 
[   90.677049][ T5841] stack backtrace:
[   90.682976][ T5841] CPU: 0 UID: 0 PID: 5841 Comm: syz-executor427 Not tainted 6.15.0-syzkaller-g02670deede22 #0 PREEMPT(full) 
[   90.682994][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   90.683009][ T5841] Call Trace:
[   90.683015][ T5841]  <TASK>
[   90.683021][ T5841]  dump_stack_lvl+0x189/0x250
[   90.683053][ T5841]  ? __pfx_dump_stack_lvl+0x10/0x10
[   90.683076][ T5841]  ? __pfx__printk+0x10/0x10
[   90.683103][ T5841]  lockdep_rcu_suspicious+0x140/0x1d0
[   90.683130][ T5841]  task_cls_state+0x1a5/0x1d0
[   90.683153][ T5841]  bpf_get_cgroup_classid_curr+0x18/0x60
[   90.683170][ T5841]  bpf_prog_83da9cb0e78d4768+0x2c/0x5e
[   90.683188][ T5841]  bpf_prog_run_pin_on_cpu+0x67/0x150
[   90.683210][ T5841]  bpf_prog_test_run_syscall+0x312/0x4b0
[   90.683232][ T5841]  ? __pfx_bpf_prog_test_run_syscall+0x10/0x10
[   90.683256][ T5841]  ? __pfx_bpf_prog_test_run_syscall+0x10/0x10
[   90.683276][ T5841]  bpf_prog_test_run+0x2c7/0x340
[   90.683304][ T5841]  __sys_bpf+0x4a4/0x860
[   90.683325][ T5841]  ? __pfx___sys_bpf+0x10/0x10
[   90.683367][ T5841]  ? rcu_is_watching+0x15/0xb0
[   90.683394][ T5841]  __x64_sys_bpf+0x7c/0x90
[   90.683419][ T5841]  do_syscall_64+0xfa/0x3b0
[   90.683443][ T5841]  ? lockdep_hardirqs_on+0x9c/0x150
[   90.683472][ T5841]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.683486][ T5841]  ? clear_bhb_loop+0x60/0xb0
[   90.683503][ T5841]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.683517][ T5841] RIP: 0033:0x7f0b53a913e9
[   90.683531][ T5841] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   90.683543][ T5841] RSP: 002b:00007fff7e0c34e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[pid  5841] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=4, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=0, ctx_in=NULL, ctx_out=NULL, flags=0, cpu=0}}, 72) = 0
[pid  5841] exit_group(1)               = ?
[pid  5841] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=1, si_utime=0, si_stime=24 /* 0.24 s */} ---
exit_group(0)                           = ?
+++ exited with 0 +++
[   90.683558][ T5841] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b53a913e9