./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1184068771 <...> Warning: Permanently added '10.128.0.185' (ED25519) to the list of known hosts. execve("./syz-executor1184068771", ["./syz-executor1184068771"], 0x7fffbe1f0a50 /* 10 vars */) = 0 brk(NULL) = 0x55558eda1000 brk(0x55558eda1d40) = 0x55558eda1d40 arch_prctl(ARCH_SET_FS, 0x55558eda13c0) = 0 set_tid_address(0x55558eda1690) = 5835 set_robust_list(0x55558eda16a0, 24) = 0 rseq(0x55558eda1ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1184068771", 4096) = 28 getrandom("\x51\x72\x43\x50\x67\x7f\xf0\x6d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558eda1d40 brk(0x55558edc2d40) = 0x55558edc2d40 brk(0x55558edc3000) = 0x55558edc3000 mprotect(0x7f44a5f85000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558eda1690) = 5836 ./strace-static-x86_64: Process 5836 attached [pid 5835] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC [pid 5836] set_robust_list(0x55558eda16a0, 24) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5835] write(3, "10000000000", 11) = 11 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "20", 2) = 2 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "0", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "0", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "100", 3) = 3 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "0", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "0", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "7 4 1 3", 7) = 7 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "0", 1) = 1 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "5836", 4) = 4 [pid 5835] close(3) = 0 [pid 5835] kill(5836, SIGKILL) = 0 [pid 5836] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5836, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=864, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5835}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x30\x00\x00\x00\xe8\x02\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\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 864 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5835}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5835}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5835}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5835}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5835}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5835}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached , child_tidptr=0x55558eda1690) = 5839 [pid 5839] set_robust_list(0x55558eda16a0, 24) = 0 [pid 5839] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5839] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5839] dup2(4, 202) = 202 [pid 5839] close(4) = 0 [pid 5839] write(202, "\xff\x00", 2) = 2 [pid 5839] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 5839] rt_sigaction(SIGRT_1, {sa_handler=0x7f44a5f2fa50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44a5f21860}, NULL, 8) = 0 [pid 5839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5839] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44a56b5000 [pid 5839] mprotect(0x7f44a56b6000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44a5eb5990, parent_tid=0x7f44a5eb5990, exit_signal=0, stack=0x7f44a56b5000, stack_size=0x800300, tls=0x7f44a5eb56c0}./strace-static-x86_64: Process 5841 attached [pid 5841] rseq(0x7f44a5eb5fe0, 0x20, 0, 0x53053053) = 0 [pid 5841] set_robust_list(0x7f44a5eb59a0, 24 [pid 5839] <... clone3 resumed> => {parent_tid=[2]}, 88) = 2 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] ioctl(3, HCIDEVUP [pid 5841] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5841] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5841] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x01\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [ 97.054349][ T5840] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.074737][ T5840] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [pid 5841] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0a", iov_len=2}, {iov_base="\x01\x09\x10", iov_len=3}, {iov_base="\x00\xaa\xaa\xaa\xaa\xaa\xaa", iov_len=7}], 4) = 13 [pid 5841] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0b", iov_len=2}, {iov_base="\x01\x05\x10", iov_len=3}, {iov_base="\x00\xfd\x03\x60\x04\x00\x06\x00", iov_len=8}], 4) = 14 [pid 5841] read(202, "\x01\x23\x0c\x00", 1024) = 4 [ 97.105475][ T5840] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x23\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5841] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x14\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5841] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x25\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5841] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x38\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [ 97.155389][ T5840] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.194322][ T5840] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [pid 5841] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x39\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5841] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x16\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5841] read(202, [pid 5839] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5839] ioctl(3, HCISETSCAN [pid 5841] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5841] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x04", iov_len=2}, {iov_base="\x01\x1a\x0c", iov_len=3}, {iov_base="\x00", iov_len=1}], 4) = 7 [ 97.202081][ T5840] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 5841] rt_sigprocmask(SIG_BLOCK, ~[RT_1], NULL, 8) = 0 [pid 5839] <... ioctl resumed>, 0x7ffd07ea7b10) = 0 [pid 5841] madvise(0x7f44a56b5000, 8372224, MADV_DONTNEED [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x04\x0a", iov_len=2}, {iov_base="\xaa\xaa\xaa\xaa\xaa\x10\x00\x00\x00\x01", iov_len=10}], 3 [pid 5841] <... madvise resumed>) = 0 [pid 5839] <... writev resumed>) = 13 [pid 5841] exit(0 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x03\x0b", iov_len=2}, {iov_base="\x00\xc8\x00\xaa\xaa\xaa\xaa\xaa\x10\x01\x00", iov_len=11}], 3) = 14 [pid 5841] <... exit resumed>) = ? [pid 5841] +++ exited with 0 +++ [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\v\v", iov_len=2}, {iov_base="\x00\xc8\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=11}], 3) = 14 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x3e\x13", iov_len=2}, {iov_base="\x01\x00\xc9\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\x11\x00\x00\x00\x00\x00\x00\x00", iov_len=19}], 3) = 22 [pid 5839] close(3) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] getppid() = 0 [pid 5839] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5839] unshare(CLONE_NEWNS) = 0 [pid 5839] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5839] unshare(CLONE_NEWIPC) = 0 [pid 5839] unshare(CLONE_NEWCGROUP) = 0 [pid 5839] unshare(CLONE_NEWUTS) = 0 [pid 5839] unshare(CLONE_SYSVSEM) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "16777216", 8) = 8 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "536870912", 9) = 9 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "8192", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5839] close(3) = 0 [pid 5839] getpid() = 1 [pid 5839] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 111.568854][ T12] #2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 111.578617][ T12] [ 111.578617][ T12] stack backtrace: [ 111.584536][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 111.595215][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 111.605268][ T12] Workqueue: bond0 bond_mii_monitor [ 111.610497][ T12] Call Trace: [ 111.613773][ T12] [ 111.616701][ T12] dump_stack_lvl+0x241/0x360 [ 111.621386][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 111.626581][ T12] ? __pfx__printk+0x10/0x10 [ 111.631177][ T12] lockdep_rcu_suspicious+0x226/0x340 [ 111.636550][ T12] dev_deactivate_queue+0x8f/0x160 [ 111.641669][ T12] dev_deactivate_many+0xc8/0xb10 [ 111.646693][ T12] dev_deactivate+0x184/0x280 [ 111.651368][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 111.656565][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 111.661422][ T12] linkwatch_do_dev+0x10a/0x170 [ 111.666274][ T12] ethtool_op_get_link+0x15/0x60 [ 111.671209][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 111.676835][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 111.681950][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 111.687591][ T12] bond_mii_monitor+0x49a/0x3170 [ 111.692545][ T12] ? __lock_acquire+0x1397/0x2100 [ 111.697564][ T12] ? bond_mii_monitor+0x174/0x3170 [ 111.702676][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 111.707872][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 111.713251][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 111.718271][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 111.724249][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 111.730581][ T12] ? process_scheduled_works+0x976/0x1840 [ 111.736294][ T12] process_scheduled_works+0xa66/0x1840 [ 111.741856][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 111.747838][ T12] ? assign_work+0x364/0x3d0 [ 111.752426][ T12] worker_thread+0x870/0xd30 [ 111.757023][ T12] ? __kthread_parkme+0x169/0x1d0 [ 111.762046][ T12] ? __pfx_worker_thread+0x10/0x10 [ 111.767153][ T12] kthread+0x2f0/0x390 [ 111.771220][ T12] ? __pfx_worker_thread+0x10/0x10 [ 111.776334][ T12] ? __pfx_kthread+0x10/0x10 [ 111.780923][ T12] ret_from_fork+0x4b/0x80 [ 111.785334][ T12] ? __pfx_kthread+0x10/0x10 [ 111.789921][ T12] ret_from_fork_asm+0x1a/0x30 [ 111.794693][ T12] [ 111.799541][ T12] [ 111.801897][ T12] ============================= [ 111.806750][ T12] WARNING: suspicious RCU usage [ 111.811633][ T12] 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 Not tainted [ 111.818800][ T12] ----------------------------- [ 111.823659][ T12] ./include/linux/rtnetlink.h:156 suspicious rcu_dereference_protected() usage! [ 111.832730][ T12] [ 111.832730][ T12] other info that might help us debug this: [ 111.832730][ T12] [ 111.843136][ T12] [ 111.843136][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 111.851252][ T12] 3 locks held by kworker/u8:1/12: [ 111.856369][ T12] #0: ffff888011a17948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 111.867315][ T12] #1: ffffc90000117d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 111.880265][ T12] #2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 111.889991][ T12] [ 111.889991][ T12] stack backtrace: [ 111.895909][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 111.906573][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 111.916619][ T12] Workqueue: bond0 bond_mii_monitor [ 111.921819][ T12] Call Trace: [ 111.925083][ T12] [ 111.928002][ T12] dump_stack_lvl+0x241/0x360 [ 111.932764][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 111.937966][ T12] ? __pfx__printk+0x10/0x10 [ 111.942578][ T12] lockdep_rcu_suspicious+0x226/0x340 [ 111.947947][ T12] dev_deactivate_many+0x18f/0xb10 [ 111.953050][ T12] dev_deactivate+0x184/0x280 [ 111.957734][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 111.962942][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 111.967792][ T12] linkwatch_do_dev+0x10a/0x170 [ 111.972637][ T12] ethtool_op_get_link+0x15/0x60 [ 111.977580][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 111.983240][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 111.988357][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 111.993996][ T12] bond_mii_monitor+0x49a/0x3170 [ 111.998940][ T12] ? __lock_acquire+0x1397/0x2100 [ 112.003960][ T12] ? bond_mii_monitor+0x174/0x3170 [ 112.009068][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 112.014261][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 112.019640][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 112.024656][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 112.030631][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 112.036953][ T12] ? process_scheduled_works+0x976/0x1840 [ 112.042665][ T12] process_scheduled_works+0xa66/0x1840 [ 112.048316][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 112.054342][ T12] ? assign_work+0x364/0x3d0 [ 112.058948][ T12] worker_thread+0x870/0xd30 [ 112.063546][ T12] ? __kthread_parkme+0x169/0x1d0 [ 112.068562][ T12] ? __pfx_worker_thread+0x10/0x10 [ 112.073665][ T12] kthread+0x2f0/0x390 [ 112.077737][ T12] ? __pfx_worker_thread+0x10/0x10 [ 112.082860][ T12] ? __pfx_kthread+0x10/0x10 [ 112.087446][ T12] ret_from_fork+0x4b/0x80 [ 112.091861][ T12] ? __pfx_kthread+0x10/0x10 [ 112.096445][ T12] ret_from_fork_asm+0x1a/0x30 [ 112.101210][ T12] [ 112.110969][ T12] BUG: sleeping function called from invalid context at net/core/dev.c:11403 [ 112.120007][ T12] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 12, name: kworker/u8:1 [ 112.129102][ T12] preempt_count: 0, expected: 0 [ 112.133965][ T12] RCU nest depth: 1, expected: 0 [ 112.138985][ T12] 3 locks held by kworker/u8:1/12: [ 112.144104][ T12] #0: ffff888011a17948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 112.155023][ T12] #1: ffffc90000117d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 112.168090][ T12] #2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 112.177838][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 112.188707][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 112.198754][ T12] Workqueue: bond0 bond_mii_monitor [ 112.203983][ T12] Call Trace: [ 112.207258][ T12] [ 112.210178][ T12] dump_stack_lvl+0x241/0x360 [ 112.214852][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 112.220043][ T12] ? __pfx__printk+0x10/0x10 [ 112.224643][ T12] __might_resched+0x5d4/0x780 [ 112.229403][ T12] ? dev_deactivate_many+0x25f/0xb10 [ 112.234687][ T12] ? __pfx___might_resched+0x10/0x10 [ 112.240011][ T12] ? __local_bh_enable_ip+0x168/0x200 [ 112.245382][ T12] ? dev_deactivate_many+0x250/0xb10 [ 112.250660][ T12] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 112.256380][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 112.261571][ T12] synchronize_net+0x1b/0x50 [ 112.266242][ T12] dev_deactivate_many+0x4a7/0xb10 [ 112.271341][ T12] ? dev_deactivate_many+0x250/0xb10 [ 112.276617][ T12] dev_deactivate+0x184/0x280 [ 112.281284][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 112.286472][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 112.291496][ T12] linkwatch_do_dev+0x10a/0x170 [ 112.296344][ T12] ethtool_op_get_link+0x15/0x60 [ 112.301271][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 112.306890][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 112.312018][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 112.317651][ T12] bond_mii_monitor+0x49a/0x3170 [ 112.322590][ T12] ? __lock_acquire+0x1397/0x2100 [ 112.327604][ T12] ? bond_mii_monitor+0x174/0x3170 [ 112.332708][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 112.337915][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 112.343303][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 112.348321][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 112.354300][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 112.360628][ T12] ? process_scheduled_works+0x976/0x1840 [ 112.366332][ T12] process_scheduled_works+0xa66/0x1840 [ 112.371883][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 112.377859][ T12] ? assign_work+0x364/0x3d0 [ 112.382437][ T12] worker_thread+0x870/0xd30 [ 112.387020][ T12] ? __kthread_parkme+0x169/0x1d0 [ 112.392038][ T12] ? __pfx_worker_thread+0x10/0x10 [ 112.397158][ T12] kthread+0x2f0/0x390 [ 112.401222][ T12] ? __pfx_worker_thread+0x10/0x10 [ 112.406326][ T12] ? __pfx_kthread+0x10/0x10 [ 112.410928][ T12] ret_from_fork+0x4b/0x80 [ 112.415334][ T12] ? __pfx_kthread+0x10/0x10 [ 112.419914][ T12] ret_from_fork_asm+0x1a/0x30 [ 112.424698][ T12] [ 112.428506][ T12] [ 112.430861][ T12] ============================= [ 112.435709][ T12] WARNING: suspicious RCU usage [ 112.441149][ T12] 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 Tainted: G W [ 112.449811][ T12] ----------------------------- [ 112.454675][ T12] kernel/rcu/tree.c:4102 Illegal synchronize_rcu() in RCU read-side critical section! [ 112.464252][ T12] [ 112.464252][ T12] other info that might help us debug this: [ 112.464252][ T12] [ 112.474528][ T12] [ 112.474528][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 112.482644][ T12] 3 locks held by kworker/u8:1/12: [ 112.487813][ T12] #0: ffff888011a17948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 112.498786][ T12] #1: ffffc90000117d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 112.511756][ T12] #2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 112.521650][ T12] [ 112.521650][ T12] stack backtrace: [ 112.527624][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:1 Tainted: G W 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 112.539771][ T12] Tainted: [W]=WARN [ 112.543556][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 112.553602][ T12] Workqueue: bond0 bond_mii_monitor [ 112.558818][ T12] Call Trace: [ 112.562095][ T12] [ 112.565014][ T12] dump_stack_lvl+0x241/0x360 [ 112.569690][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 112.574878][ T12] ? __pfx__printk+0x10/0x10 [ 112.579466][ T12] lockdep_rcu_suspicious+0x226/0x340 [ 112.584838][ T12] synchronize_rcu+0xea/0x360 [ 112.589515][ T12] ? __pfx_synchronize_rcu+0x10/0x10 [ 112.594802][ T12] ? dev_deactivate_many+0x250/0xb10 [ 112.600085][ T12] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 112.605803][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 112.611002][ T12] dev_deactivate_many+0x4a7/0xb10 [ 112.616112][ T12] ? dev_deactivate_many+0x250/0xb10 [ 112.621403][ T12] dev_deactivate+0x184/0x280 [ 112.626079][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 112.631277][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 112.636134][ T12] linkwatch_do_dev+0x10a/0x170 [ 112.640992][ T12] ethtool_op_get_link+0x15/0x60 [ 112.645928][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 112.651557][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 112.656678][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 112.662323][ T12] bond_mii_monitor+0x49a/0x3170 [ 112.667265][ T12] ? __lock_acquire+0x1397/0x2100 [ 112.672285][ T12] ? bond_mii_monitor+0x174/0x3170 [ 112.677405][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 112.682604][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 112.687986][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 112.693007][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 112.698984][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 112.705331][ T12] ? process_scheduled_works+0x976/0x1840 [ 112.711051][ T12] process_scheduled_works+0xa66/0x1840 [ 112.716615][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 112.722597][ T12] ? assign_work+0x364/0x3d0 [ 112.727189][ T12] worker_thread+0x870/0xd30 [ 112.731786][ T12] ? __kthread_parkme+0x169/0x1d0 [ 112.736818][ T12] ? __pfx_worker_thread+0x10/0x10 [ 112.741923][ T12] kthread+0x2f0/0x390 [ 112.745994][ T12] ? __pfx_worker_thread+0x10/0x10 [ 112.751148][ T12] ? __pfx_kthread+0x10/0x10 [ 112.755736][ T12] ret_from_fork+0x4b/0x80 [ 112.760148][ T12] ? __pfx_kthread+0x10/0x10 [ 112.764734][ T12] ret_from_fork_asm+0x1a/0x30 [ 112.769499][ T12] [ 112.773695][ T12] [ 112.776055][ T12] ============================= [ 112.781076][ T12] WARNING: suspicious RCU usage [ 112.785928][ T12] 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 Tainted: G W [ 112.794572][ T12] ----------------------------- [ 112.799476][ T12] kernel/rcu/tree_exp.h:949 Illegal synchronize_rcu_expedited() in RCU read-side critical section! [ 112.810265][ T12] [ 112.810265][ T12] other info that might help us debug this: [ 112.810265][ T12] [ 112.820555][ T12] [ 112.820555][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 112.828652][ T12] 3 locks held by kworker/u8:1/12: [ 112.833749][ T12] #0: ffff888011a17948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 112.844765][ T12] #1: ffffc90000117d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 112.857713][ T12] #2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 112.867440][ T12] [ 112.867440][ T12] stack backtrace: [ 112.873337][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Tainted: G W 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 112.885477][ T12] Tainted: [W]=WARN [ 112.889277][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 112.899335][ T12] Workqueue: bond0 bond_mii_monitor [ 112.904544][ T12] Call Trace: [ 112.907820][ T12] [ 112.910747][ T12] dump_stack_lvl+0x241/0x360 [ 112.915429][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 112.920632][ T12] ? __pfx__printk+0x10/0x10 [ 112.925221][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 112.931207][ T12] lockdep_rcu_suspicious+0x226/0x340 [ 112.936607][ T12] synchronize_rcu_expedited+0x12e/0x830 [ 112.942249][ T12] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 112.948410][ T12] ? __might_resched+0xf4/0x780 [ 112.953259][ T12] ? __pfx___might_resched+0x10/0x10 [ 112.958541][ T12] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 112.964602][ T12] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 112.970148][ T12] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 112.975689][ T12] ? lockdep_rcu_suspicious+0x299/0x340 [ 112.981234][ T12] synchronize_rcu+0x11b/0x360 [ 112.985996][ T12] ? __pfx_synchronize_rcu+0x10/0x10 [ 112.991280][ T12] ? dev_deactivate_many+0x250/0xb10 [ 112.996559][ T12] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 113.002299][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 113.007511][ T12] dev_deactivate_many+0x4a7/0xb10 [ 113.012636][ T12] ? dev_deactivate_many+0x250/0xb10 [ 113.017926][ T12] dev_deactivate+0x184/0x280 [ 113.022606][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 113.027812][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 113.032671][ T12] linkwatch_do_dev+0x10a/0x170 [ 113.037545][ T12] ethtool_op_get_link+0x15/0x60 [ 113.042493][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 113.048139][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 113.053278][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 113.058960][ T12] bond_mii_monitor+0x49a/0x3170 [ 113.063919][ T12] ? __lock_acquire+0x1397/0x2100 [ 113.068945][ T12] ? bond_mii_monitor+0x174/0x3170 [ 113.074067][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 113.079266][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 113.084652][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 113.089674][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 113.095659][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 113.101991][ T12] ? process_scheduled_works+0x976/0x1840 [ 113.107707][ T12] process_scheduled_works+0xa66/0x1840 [ 113.113266][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 113.119248][ T12] ? assign_work+0x364/0x3d0 [ 113.123838][ T12] worker_thread+0x870/0xd30 [ 113.128433][ T12] ? __kthread_parkme+0x169/0x1d0 [ 113.133457][ T12] ? __pfx_worker_thread+0x10/0x10 [ 113.138564][ T12] kthread+0x2f0/0x390 [ 113.142626][ T12] ? __pfx_worker_thread+0x10/0x10 [ 113.147735][ T12] ? __pfx_kthread+0x10/0x10 [ 113.152409][ T12] ret_from_fork+0x4b/0x80 [ 113.156820][ T12] ? __pfx_kthread+0x10/0x10 [ 113.161416][ T12] ret_from_fork_asm+0x1a/0x30 [ 113.166186][ T12] [ 113.172393][ T12] BUG: sleeping function called from invalid context at kernel/rcu/tree.c:4013 [ 113.181817][ T12] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 12, name: kworker/u8:1 [ 113.190894][ T12] preempt_count: 0, expected: 0 [ 113.195731][ T12] RCU nest depth: 1, expected: 0 [ 113.200754][ T12] 3 locks held by kworker/u8:1/12: [ 113.205868][ T12] #0: ffff888011a17948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 113.216801][ T12] #1: ffffc90000117d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 113.229750][ T12] #2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 113.239765][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Tainted: G W 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 113.251935][ T12] Tainted: [W]=WARN [ 113.255725][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 113.265769][ T12] Workqueue: bond0 bond_mii_monitor [ 113.270970][ T12] Call Trace: [ 113.274235][ T12] [ 113.277154][ T12] dump_stack_lvl+0x241/0x360 [ 113.281832][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 113.287026][ T12] ? __pfx__printk+0x10/0x10 [ 113.291618][ T12] __might_resched+0x5d4/0x780 [ 113.296378][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 113.301568][ T12] ? preempt_schedule_notrace+0xf6/0x140 [ 113.307201][ T12] ? __pfx___might_resched+0x10/0x10 [ 113.312494][ T12] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 113.318042][ T12] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 113.323601][ T12] ? lockdep_rcu_suspicious+0x299/0x340 [ 113.329151][ T12] synchronize_rcu_expedited+0x148/0x830 [ 113.334781][ T12] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 113.340934][ T12] ? __might_resched+0xf4/0x780 [ 113.345781][ T12] ? __pfx___might_resched+0x10/0x10 [ 113.351070][ T12] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 113.357308][ T12] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 113.362855][ T12] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 113.368398][ T12] ? lockdep_rcu_suspicious+0x299/0x340 [ 113.373936][ T12] synchronize_rcu+0x11b/0x360 [ 113.378694][ T12] ? __pfx_synchronize_rcu+0x10/0x10 [ 113.383972][ T12] ? dev_deactivate_many+0x250/0xb10 [ 113.389254][ T12] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 113.394998][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 113.400195][ T12] dev_deactivate_many+0x4a7/0xb10 [ 113.405313][ T12] ? dev_deactivate_many+0x250/0xb10 [ 113.410608][ T12] dev_deactivate+0x184/0x280 [ 113.415282][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 113.420482][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 113.425339][ T12] linkwatch_do_dev+0x10a/0x170 [ 113.430188][ T12] ethtool_op_get_link+0x15/0x60 [ 113.435117][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 113.440765][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 113.445878][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 113.451560][ T12] bond_mii_monitor+0x49a/0x3170 [ 113.456501][ T12] ? __lock_acquire+0x1397/0x2100 [ 113.461560][ T12] ? bond_mii_monitor+0x174/0x3170 [ 113.466667][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 113.471859][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 113.477276][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 113.482321][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 113.488393][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 113.494735][ T12] ? process_scheduled_works+0x976/0x1840 [ 113.500455][ T12] process_scheduled_works+0xa66/0x1840 [ 113.506013][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 113.511998][ T12] ? assign_work+0x364/0x3d0 [ 113.516588][ T12] worker_thread+0x870/0xd30 [ 113.521179][ T12] ? __kthread_parkme+0x169/0x1d0 [ 113.526198][ T12] ? __pfx_worker_thread+0x10/0x10 [ 113.531325][ T12] kthread+0x2f0/0x390 [ 113.535388][ T12] ? __pfx_worker_thread+0x10/0x10 [ 113.540510][ T12] ? __pfx_kthread+0x10/0x10 [ 113.545116][ T12] ret_from_fork+0x4b/0x80 [ 113.549552][ T12] ? __pfx_kthread+0x10/0x10 [ 113.554145][ T12] ret_from_fork_asm+0x1a/0x30 [ 113.558928][ T12] [ 113.562628][ T12] [ 113.564966][ T12] ============================= [ 113.569801][ T12] [ BUG: Invalid wait context ] [ 113.574636][ T12] 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 Tainted: G W [ 113.583208][ T12] ----------------------------- [ 113.588042][ T12] kworker/u8:1/12 is trying to lock: [ 113.593310][ T12] ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 [ 113.603757][ T12] other info that might help us debug this: [ 113.609629][ T12] context-{5:5} [ 113.613070][ T12] 3 locks held by kworker/u8:1/12: [ 113.618163][ T12] #0: ffff888011a17948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 113.629028][ T12] #1: ffffc90000117d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 113.641891][ T12] #2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 113.651548][ T12] stack backtrace: [ 113.655252][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Tainted: G W 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 113.667390][ T12] Tainted: [W]=WARN [ 113.671177][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 113.681217][ T12] Workqueue: bond0 bond_mii_monitor [ 113.686411][ T12] Call Trace: [ 113.689677][ T12] [ 113.692599][ T12] dump_stack_lvl+0x241/0x360 [ 113.697271][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 113.702458][ T12] ? __pfx__printk+0x10/0x10 [ 113.707038][ T12] __lock_acquire+0x15a8/0x2100 [ 113.711887][ T12] lock_acquire+0x1ed/0x550 [ 113.716376][ T12] ? synchronize_rcu_expedited+0x451/0x830 [ 113.722179][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 113.727194][ T12] ? __pfx___might_resched+0x10/0x10 [ 113.732475][ T12] __mutex_lock+0x1ac/0xee0 [ 113.736972][ T12] ? synchronize_rcu_expedited+0x451/0x830 [ 113.742778][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 113.747790][ T12] ? synchronize_rcu_expedited+0x451/0x830 [ 113.753591][ T12] ? __pfx___mutex_lock+0x10/0x10 [ 113.758606][ T12] ? do_raw_spin_lock+0x14f/0x370 [ 113.763618][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 113.768807][ T12] synchronize_rcu_expedited+0x451/0x830 [ 113.774449][ T12] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 113.780625][ T12] ? __might_resched+0xf4/0x780 [ 113.785471][ T12] ? __pfx___might_resched+0x10/0x10 [ 113.790748][ T12] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 113.796815][ T12] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 113.802357][ T12] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 113.807913][ T12] ? lockdep_rcu_suspicious+0x299/0x340 [ 113.813470][ T12] synchronize_rcu+0x11b/0x360 [ 113.818251][ T12] ? __pfx_synchronize_rcu+0x10/0x10 [ 113.823543][ T12] ? dev_deactivate_many+0x250/0xb10 [ 113.828822][ T12] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 113.834567][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 113.839776][ T12] dev_deactivate_many+0x4a7/0xb10 [ 113.844893][ T12] ? dev_deactivate_many+0x250/0xb10 [ 113.850175][ T12] dev_deactivate+0x184/0x280 [ 113.854845][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 113.860036][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 113.864882][ T12] linkwatch_do_dev+0x10a/0x170 [ 113.869729][ T12] ethtool_op_get_link+0x15/0x60 [ 113.874654][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 113.880277][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 113.885381][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 113.891013][ T12] bond_mii_monitor+0x49a/0x3170 [ 113.895946][ T12] ? __lock_acquire+0x1397/0x2100 [ 113.900958][ T12] ? bond_mii_monitor+0x174/0x3170 [ 113.906061][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 113.911250][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 113.916614][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 113.921629][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 113.927597][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 113.933916][ T12] ? process_scheduled_works+0x976/0x1840 [ 113.939636][ T12] process_scheduled_works+0xa66/0x1840 [ 113.945178][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 113.951147][ T12] ? assign_work+0x364/0x3d0 [ 113.955725][ T12] worker_thread+0x870/0xd30 [ 113.960312][ T12] ? __kthread_parkme+0x169/0x1d0 [ 113.965345][ T12] ? __pfx_worker_thread+0x10/0x10 [ 113.970454][ T12] kthread+0x2f0/0x390 [ 113.974527][ T12] ? __pfx_worker_thread+0x10/0x10 [ 113.979629][ T12] ? __pfx_kthread+0x10/0x10 [ 113.984213][ T12] ret_from_fork+0x4b/0x80 [ 113.988622][ T12] ? __pfx_kthread+0x10/0x10 [ 113.993203][ T12] ret_from_fork_asm+0x1a/0x30 [ 113.997964][ T12] [ 114.001722][ T12] ------------[ cut here ]------------ [ 114.007198][ T12] Voluntary context switch within RCU read-side critical section! [ 114.007285][ T12] WARNING: CPU: 0 PID: 12 at kernel/rcu/tree_plugin.h:331 rcu_note_context_switch+0xcf4/0xff0 [ 114.025341][ T12] Modules linked in: [ 114.029237][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Tainted: G W 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 114.041380][ T12] Tainted: [W]=WARN [ 114.045171][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 114.055216][ T12] Workqueue: bond0 bond_mii_monitor [ 114.060416][ T12] RIP: 0010:rcu_note_context_switch+0xcf4/0xff0 [ 114.066650][ T12] Code: 00 ba 02 00 00 00 e8 7b 13 fe ff 4c 8b b4 24 80 00 00 00 eb 91 c6 05 43 bc 7d 0e 01 90 48 c7 c7 00 ed 0b 8c e8 9d 30 da ff 90 <0f> 0b 90 90 e9 3b f4 ff ff 90 0f 0b 90 45 84 ed 0f 84 00 f4 ff ff [ 114.086242][ T12] RSP: 0018:ffffc90000116ea0 EFLAGS: 00010046 [ 114.092312][ T12] RAX: a74c399c96e0c500 RBX: ffff88801befde44 RCX: ffff88801befda00 [ 114.100281][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 114.108250][ T12] RBP: ffffc90000116ff0 R08: ffffffff81600a42 R09: fffffbfff1cfa210 [ 114.116219][ T12] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: ffff88801befda00 [ 114.124184][ T12] R13: 0000000000000000 R14: 1ffff92000022dec R15: dffffc0000000000 [ 114.132146][ T12] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 114.141067][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.147635][ T12] CR2: 00005558d4eee038 CR3: 000000000e736000 CR4: 00000000003526f0 [ 114.155598][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 114.163560][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 114.171516][ T12] Call Trace: [ 114.174781][ T12] [ 114.177701][ T12] ? __warn+0x165/0x4d0 [ 114.181851][ T12] ? rcu_note_context_switch+0xcf4/0xff0 [ 114.187480][ T12] ? report_bug+0x2b3/0x500 [ 114.191993][ T12] ? rcu_note_context_switch+0xcf4/0xff0 [ 114.197632][ T12] ? handle_bug+0x60/0x90 [ 114.201965][ T12] ? exc_invalid_op+0x1a/0x50 [ 114.206641][ T12] ? asm_exc_invalid_op+0x1a/0x20 [ 114.211665][ T12] ? __warn_printk+0x292/0x360 [ 114.216426][ T12] ? rcu_note_context_switch+0xcf4/0xff0 [ 114.222055][ T12] ? ret_from_fork_asm+0x1a/0x30 [ 114.226983][ T12] ? __printk_cpu_sync_put+0x67/0x80 [ 114.232256][ T12] ? dump_stack_lvl+0x301/0x360 [ 114.237098][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 114.242290][ T12] ? __pfx__printk+0x10/0x10 [ 114.246869][ T12] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 114.252843][ T12] ? rcu_is_watching+0x15/0xb0 [ 114.257597][ T12] __schedule+0x34b/0x4c30 [ 114.262004][ T12] ? rcu_is_watching+0x15/0xb0 [ 114.266760][ T12] ? lock_acquire+0x264/0x550 [ 114.271429][ T12] ? __pfx___schedule+0x10/0x10 [ 114.276269][ T12] ? __mutex_trylock_common+0x92/0x2e0 [ 114.281724][ T12] ? __pfx___mutex_trylock_common+0x10/0x10 [ 114.287608][ T12] schedule+0x14b/0x320 [ 114.291755][ T12] schedule_preempt_disabled+0x13/0x30 [ 114.297203][ T12] __mutex_lock+0x425/0xee0 [ 114.301707][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 114.306720][ T12] ? synchronize_rcu_expedited+0x451/0x830 [ 114.312523][ T12] ? __pfx___mutex_lock+0x10/0x10 [ 114.317537][ T12] ? do_raw_spin_lock+0x14f/0x370 [ 114.322550][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 114.327736][ T12] synchronize_rcu_expedited+0x451/0x830 [ 114.333359][ T12] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 114.339508][ T12] ? __might_resched+0xf4/0x780 [ 114.344351][ T12] ? __pfx___might_resched+0x10/0x10 [ 114.349630][ T12] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 114.355686][ T12] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 114.361223][ T12] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 114.366761][ T12] ? lockdep_rcu_suspicious+0x299/0x340 [ 114.372299][ T12] synchronize_rcu+0x11b/0x360 [ 114.377062][ T12] ? __pfx_synchronize_rcu+0x10/0x10 [ 114.382341][ T12] ? dev_deactivate_many+0x250/0xb10 [ 114.387614][ T12] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 114.393326][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 114.398524][ T12] dev_deactivate_many+0x4a7/0xb10 [ 114.403623][ T12] ? dev_deactivate_many+0x250/0xb10 [ 114.408897][ T12] dev_deactivate+0x184/0x280 [ 114.413559][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 114.418747][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 114.423591][ T12] linkwatch_do_dev+0x10a/0x170 [ 114.428438][ T12] ethtool_op_get_link+0x15/0x60 [ 114.433362][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 114.438986][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 114.444089][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 114.449713][ T12] bond_mii_monitor+0x49a/0x3170 [ 114.454644][ T12] ? __lock_acquire+0x1397/0x2100 [ 114.459657][ T12] ? bond_mii_monitor+0x174/0x3170 [ 114.464761][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 114.469948][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 114.475315][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 114.480329][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 114.486299][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 114.492618][ T12] ? process_scheduled_works+0x976/0x1840 [ 114.498336][ T12] process_scheduled_works+0xa66/0x1840 [ 114.503882][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 114.509851][ T12] ? assign_work+0x364/0x3d0 [ 114.514431][ T12] worker_thread+0x870/0xd30 [ 114.519020][ T12] ? __kthread_parkme+0x169/0x1d0 [ 114.524034][ T12] ? __pfx_worker_thread+0x10/0x10 [ 114.529140][ T12] kthread+0x2f0/0x390 [ 114.533201][ T12] ? __pfx_worker_thread+0x10/0x10 [ 114.538303][ T12] ? __pfx_kthread+0x10/0x10 [ 114.542879][ T12] ret_from_fork+0x4b/0x80 [ 114.547283][ T12] ? __pfx_kthread+0x10/0x10 [ 114.551862][ T12] ret_from_fork_asm+0x1a/0x30 [ 114.556624][ T12] [ 114.559642][ T12] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 114.566910][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Tainted: G W 6.13.0-rc2-syzkaller-00163-g954a2b40719a #0 [ 114.579048][ T12] Tainted: [W]=WARN [ 114.582835][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 114.592879][ T12] Workqueue: bond0 bond_mii_monitor [ 114.598080][ T12] Call Trace: [ 114.601352][ T12] [ 114.604270][ T12] dump_stack_lvl+0x241/0x360 [ 114.608943][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 114.614132][ T12] ? __pfx__printk+0x10/0x10 [ 114.618710][ T12] ? _printk+0xd5/0x120 [ 114.622859][ T12] ? __init_begin+0x41000/0x41000 [ 114.627871][ T12] ? vscnprintf+0x5d/0x90 [ 114.632191][ T12] panic+0x349/0x880 [ 114.636074][ T12] ? __warn+0x174/0x4d0 [ 114.640221][ T12] ? __pfx_panic+0x10/0x10 [ 114.644632][ T12] ? ret_from_fork_asm+0x1a/0x30 [ 114.649556][ T12] __warn+0x344/0x4d0 [ 114.653528][ T12] ? rcu_note_context_switch+0xcf4/0xff0 [ 114.659152][ T12] report_bug+0x2b3/0x500 [ 114.663476][ T12] ? rcu_note_context_switch+0xcf4/0xff0 [ 114.669104][ T12] handle_bug+0x60/0x90 [ 114.673255][ T12] exc_invalid_op+0x1a/0x50 [ 114.677750][ T12] asm_exc_invalid_op+0x1a/0x20 [ 114.682592][ T12] RIP: 0010:rcu_note_context_switch+0xcf4/0xff0 [ 114.688823][ T12] Code: 00 ba 02 00 00 00 e8 7b 13 fe ff 4c 8b b4 24 80 00 00 00 eb 91 c6 05 43 bc 7d 0e 01 90 48 c7 c7 00 ed 0b 8c e8 9d 30 da ff 90 <0f> 0b 90 90 e9 3b f4 ff ff 90 0f 0b 90 45 84 ed 0f 84 00 f4 ff ff [ 114.708420][ T12] RSP: 0018:ffffc90000116ea0 EFLAGS: 00010046 [ 114.714482][ T12] RAX: a74c399c96e0c500 RBX: ffff88801befde44 RCX: ffff88801befda00 [ 114.722447][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 114.730409][ T12] RBP: ffffc90000116ff0 R08: ffffffff81600a42 R09: fffffbfff1cfa210 [ 114.738372][ T12] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: ffff88801befda00 [ 114.746331][ T12] R13: 0000000000000000 R14: 1ffff92000022dec R15: dffffc0000000000 [ 114.754296][ T12] ? __warn_printk+0x292/0x360 [ 114.759056][ T12] ? ret_from_fork_asm+0x1a/0x30 [ 114.763979][ T12] ? __printk_cpu_sync_put+0x67/0x80 [ 114.769251][ T12] ? dump_stack_lvl+0x301/0x360 [ 114.774184][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 114.779372][ T12] ? __pfx__printk+0x10/0x10 [ 114.783949][ T12] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 114.789929][ T12] ? rcu_is_watching+0x15/0xb0 [ 114.794712][ T12] __schedule+0x34b/0x4c30 [ 114.799143][ T12] ? rcu_is_watching+0x15/0xb0 [ 114.803919][ T12] ? lock_acquire+0x264/0x550 [ 114.808598][ T12] ? __pfx___schedule+0x10/0x10 [ 114.813444][ T12] ? __mutex_trylock_common+0x92/0x2e0 [ 114.818901][ T12] ? __pfx___mutex_trylock_common+0x10/0x10 [ 114.824791][ T12] schedule+0x14b/0x320 [ 114.828939][ T12] schedule_preempt_disabled+0x13/0x30 [ 114.834389][ T12] __mutex_lock+0x425/0xee0 [ 114.838892][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 114.843904][ T12] ? synchronize_rcu_expedited+0x451/0x830 [ 114.849705][ T12] ? __pfx___mutex_lock+0x10/0x10 [ 114.854719][ T12] ? do_raw_spin_lock+0x14f/0x370 [ 114.859748][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 114.864951][ T12] synchronize_rcu_expedited+0x451/0x830 [ 114.870593][ T12] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 114.876765][ T12] ? __might_resched+0xf4/0x780 [ 114.881632][ T12] ? __pfx___might_resched+0x10/0x10 [ 114.886918][ T12] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 114.892979][ T12] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 114.898522][ T12] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 114.904061][ T12] ? lockdep_rcu_suspicious+0x299/0x340 [ 114.909603][ T12] synchronize_rcu+0x11b/0x360 [ 114.914364][ T12] ? __pfx_synchronize_rcu+0x10/0x10 [ 114.919647][ T12] ? dev_deactivate_many+0x250/0xb10 [ 114.924934][ T12] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 114.930649][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 114.935840][ T12] dev_deactivate_many+0x4a7/0xb10 [ 114.940941][ T12] ? dev_deactivate_many+0x250/0xb10 [ 114.946213][ T12] dev_deactivate+0x184/0x280 [ 114.950883][ T12] ? __pfx_dev_deactivate+0x10/0x10 [ 114.956079][ T12] ? rfc2863_policy+0x1db/0x3b0 [ 114.960933][ T12] linkwatch_do_dev+0x10a/0x170 [ 114.965777][ T12] ethtool_op_get_link+0x15/0x60 [ 114.970710][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 114.976332][ T12] bond_check_dev_link+0x1f1/0x3f0 [ 114.981440][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 114.987086][ T12] bond_mii_monitor+0x49a/0x3170 [ 114.992031][ T12] ? __lock_acquire+0x1397/0x2100 [ 114.997047][ T12] ? bond_mii_monitor+0x174/0x3170 [ 115.002158][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 115.007354][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 115.012732][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 115.017752][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 115.023724][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 115.030052][ T12] ? process_scheduled_works+0x976/0x1840 [ 115.035762][ T12] process_scheduled_works+0xa66/0x1840 [ 115.041311][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 115.047280][ T12] ? assign_work+0x364/0x3d0 [ 115.051862][ T12] worker_thread+0x870/0xd30 [ 115.056454][ T12] ? __kthread_parkme+0x169/0x1d0 [ 115.061468][ T12] ? __pfx_worker_thread+0x10/0x10 [ 115.066567][ T12] kthread+0x2f0/0x390 [ 115.070624][ T12] ? __pfx_worker_thread+0x10/0x10 [ 115.075723][ T12] ? __pfx_kthread+0x10/0x10 [ 115.080305][ T12] ret_from_fork+0x4b/0x80 [ 115.084714][ T12] ? __pfx_kthread+0x10/0x10 [ 115.089293][ T12] ret_from_fork_asm+0x1a/0x30 [ 115.094049][ T12] [ 115.097319][ T12] Kernel Offset: disabled [ 115.101634][ T12] Rebooting in 86400 seconds..