./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3530154343 <...> Warning: Permanently added '10.128.1.97' (ED25519) to the list of known hosts. execve("./syz-executor3530154343", ["./syz-executor3530154343"], 0x7fffbf7de3b0 /* 10 vars */) = 0 brk(NULL) = 0x55556811d000 brk(0x55556811dd00) = 0x55556811dd00 arch_prctl(ARCH_SET_FS, 0x55556811d380) = 0 set_tid_address(0x55556811d650) = 5097 set_robust_list(0x55556811d660, 24) = 0 rseq(0x55556811dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3530154343", 4096) = 28 getrandom("\xbc\xfb\x97\xab\x2f\xfc\xcb\xf6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556811dd00 brk(0x55556813ed00) = 0x55556813ed00 brk(0x55556813f000) = 0x55556813f000 mprotect(0x7f51568e5000, 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=0x55556811d650) = 5098 ./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x55556811d660, 24) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3executing program ) = 0 [pid 5098] write(1, "executing program\n", 18) = 18 [pid 5098] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5098] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xf0\x00\x00\x00\x30\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xdc\x00\x01\x00\x6c\x00\x01\x00\x0b\x00\x01\x00\x70\x6f\x6c\x69\x63\x65\x00\x00\x40\x00\x02\x80\x3c\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=240}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5097] kill(-5098, SIGKILL) = 0 [pid 5097] kill(5098, SIGKILL) = 0 [pid 5097] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5097] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5097] getdents64(3, 0x55556811e6f0 /* 2 entries */, 32768) = 48 [pid 5097] getdents64(3, 0x55556811e6f0 /* 0 entries */, 32768) = 0 [pid 5097] close(3) = 0 [ 87.062263][ T57] cfg80211: failed to load regulatory.db [ 286.740245][ T30] INFO: task kworker/1:0:25 blocked for more than 143 seconds. [ 286.748029][ T30] Not tainted 6.9.0-syzkaller-12122-gc519cf9b7434 #0 [ 286.756845][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.765903][ T30] task:kworker/1:0 state:D stack:26552 pid:25 tgid:25 ppid:2 flags:0x00004000 [ 286.776508][ T30] Workqueue: events_power_efficient reg_check_chans_work [ 286.783944][ T30] Call Trace: [ 286.787255][ T30] [ 286.790921][ T30] __schedule+0x17e8/0x4a20 [ 286.795513][ T30] ? __pfx___schedule+0x10/0x10 [ 286.800862][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.806888][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.812550][ T30] ? kick_pool+0x1bd/0x620 [ 286.817011][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.822726][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.827992][ T30] ? schedule+0x90/0x320 [ 286.832876][ T30] schedule+0x14b/0x320 [ 286.837081][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.843089][ T30] __mutex_lock+0x6a4/0xd70 [ 286.847644][ T30] ? __mutex_lock+0x527/0xd70 [ 286.852856][ T30] ? reg_check_chans_work+0x91/0xea0 [ 286.858182][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.864311][ T30] reg_check_chans_work+0x91/0xea0 [ 286.869504][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.875112][ T30] ? __pfx_reg_check_chans_work+0x10/0x10 [ 286.881165][ T30] ? process_scheduled_works+0x945/0x1830 [ 286.886916][ T30] process_scheduled_works+0xa2c/0x1830 [ 286.893283][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.899329][ T30] ? assign_work+0x364/0x3d0 [ 286.904438][ T30] worker_thread+0x86d/0xd70 [ 286.909083][ T30] ? __kthread_parkme+0x169/0x1d0 [ 286.914661][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.919809][ T30] kthread+0x2f0/0x390 [ 286.924368][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.929516][ T30] ? __pfx_kthread+0x10/0x10 [ 286.934641][ T30] ret_from_fork+0x4b/0x80 [ 286.939105][ T30] ? __pfx_kthread+0x10/0x10 [ 286.944629][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.949467][ T30] [ 286.953073][ T30] INFO: task kworker/1:2:57 blocked for more than 143 seconds. [ 286.961072][ T30] Not tainted 6.9.0-syzkaller-12122-gc519cf9b7434 #0 [ 286.968327][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.978142][ T30] task:kworker/1:2 state:D stack:23440 pid:57 tgid:57 ppid:2 flags:0x00004000 [ 286.988749][ T30] Workqueue: events request_firmware_work_func [ 286.995502][ T30] Call Trace: [ 286.998810][ T30] [ 287.002240][ T30] __schedule+0x17e8/0x4a20 [ 287.006815][ T30] ? __pfx___schedule+0x10/0x10 [ 287.012177][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.017263][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.023341][ T30] ? kthread_data+0x52/0xd0 [ 287.027896][ T30] ? schedule+0x90/0x320 [ 287.032678][ T30] ? wq_worker_sleeping+0x66/0x240 [ 287.037832][ T30] ? schedule+0x90/0x320 [ 287.042577][ T30] schedule+0x14b/0x320 [ 287.046790][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.052916][ T30] __mutex_lock+0x6a4/0xd70 [ 287.057478][ T30] ? __mutex_lock+0x527/0xd70 [ 287.062665][ T30] ? regdb_fw_cb+0x82/0x1c0 [ 287.067219][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.072740][ T30] ? lock_acquire+0x264/0x550 [ 287.077454][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.082752][ T30] regdb_fw_cb+0x82/0x1c0 [ 287.087118][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.093034][ T30] request_firmware_work_func+0x1a4/0x280 [ 287.098816][ T30] ? __pfx_request_firmware_work_func+0x10/0x10 [ 287.105523][ T30] ? process_scheduled_works+0x945/0x1830 [ 287.111614][ T30] process_scheduled_works+0xa2c/0x1830 [ 287.117231][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.123804][ T30] ? assign_work+0x364/0x3d0 [ 287.128435][ T30] worker_thread+0x86d/0xd70 [ 287.133655][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.139625][ T30] ? __kthread_parkme+0x169/0x1d0 [ 287.145423][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.150907][ T30] kthread+0x2f0/0x390 [ 287.155022][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.160705][ T30] ? __pfx_kthread+0x10/0x10 [ 287.165338][ T30] ret_from_fork+0x4b/0x80 [ 287.169785][ T30] ? __pfx_kthread+0x10/0x10 [ 287.175175][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.180003][ T30] [ 287.185575][ T30] [ 287.185575][ T30] Showing all locks held in the system: [ 287.193919][ T30] 3 locks held by kworker/1:0/25: [ 287.198974][ T30] #0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.212096][ T30] #1: ffffc900001f7d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.223886][ T30] #2: ffffffff8f5e6488 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xea0 [ 287.233944][ T30] 1 lock held by khungtaskd/30: [ 287.238818][ T30] #0: ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.249275][ T30] 3 locks held by kworker/1:2/57: [ 287.254642][ T30] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.265981][ T30] #1: ffffc9000132fd00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.278779][ T30] #2: ffffffff8f5e6488 (rtnl_mutex){+.+.}-{3:3}, at: regdb_fw_cb+0x82/0x1c0 [ 287.288152][ T30] 3 locks held by kworker/u8:10/2478: [ 287.293904][ T30] #0: ffff8880299f5948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.305866][ T30] #1: ffffc900096f7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.319989][ T30] #2: ffffffff8f5e6488 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 [ 287.330466][ T30] 2 locks held by getty/4853: [ 287.335170][ T30] #0: ffff88802f2200a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.345503][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 287.356028][ T30] 1 lock held by syz-executor353/5098: [ 287.361881][ T30] [ 287.364230][ T30] ============================================= [ 287.364230][ T30] [ 287.373413][ T30] NMI backtrace for cpu 0 [ 287.377773][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-12122-gc519cf9b7434 #0 [ 287.387255][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 287.397331][ T30] Call Trace: [ 287.400631][ T30] [ 287.403577][ T30] dump_stack_lvl+0x241/0x360 [ 287.408292][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.413515][ T30] ? __pfx__printk+0x10/0x10 [ 287.418146][ T30] ? vprintk_emit+0x631/0x770 [ 287.422855][ T30] ? __pfx_vprintk_emit+0x10/0x10 [ 287.427915][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.432891][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.438386][ T30] ? _printk+0xd5/0x120 [ 287.442573][ T30] ? __pfx__printk+0x10/0x10 [ 287.447197][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.452079][ T30] ? __pfx__printk+0x10/0x10 [ 287.456705][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.461850][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.467855][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.473867][ T30] watchdog+0xfde/0x1020 [ 287.478133][ T30] ? watchdog+0x1ea/0x1020 [ 287.482612][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.487311][ T30] kthread+0x2f0/0x390 [ 287.491405][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.496104][ T30] ? __pfx_kthread+0x10/0x10 [ 287.500723][ T30] ret_from_fork+0x4b/0x80 [ 287.505166][ T30] ? __pfx_kthread+0x10/0x10 [ 287.509782][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.514597][ T30] [ 287.517762][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.523029][ C1] NMI backtrace for cpu 1 [ 287.523048][ C1] CPU: 1 PID: 5098 Comm: syz-executor353 Not tainted 6.9.0-syzkaller-12122-gc519cf9b7434 #0 [ 287.523066][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 287.523077][ C1] RIP: 0010:check_preemption_disabled+0x19/0x120 [ 287.523101][ C1] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 <65> 8b 1d 4c e0 7d 74 65 8b 05 41 e0 7d 74 a9 ff ff ff 7f 74 26 65 [ 287.523116][ C1] RSP: 0018:ffffc9000348e568 EFLAGS: 00000082 [ 287.523131][ C1] RAX: 3ce135fc9ef31100 RBX: ffffc9000348e600 RCX: 0000000000000001 [ 287.523144][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcaca00 RDI: ffffffff8c1fe200 [ 287.523157][ C1] RBP: ffffc9000348e6e8 R08: ffffffff92fa5587 R09: 1ffffffff25f4ab0 [ 287.523170][ C1] R10: dffffc0000000000 R11: fffffbfff25f4ab1 R12: 1ffff92000691cbc [ 287.523182][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000246 [ 287.523194][ C1] FS: 000055556811d380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 287.523209][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.523221][ C1] CR2: 000055fbb179d600 CR3: 0000000078374000 CR4: 00000000003506f0 [ 287.523236][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.523246][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.523257][ C1] Call Trace: [ 287.523264][ C1] [ 287.523271][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.523293][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.523313][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.523348][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.523368][ C1] ? nmi_handle+0x14f/0x5a0 [ 287.523394][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.523420][ C1] ? check_preemption_disabled+0x19/0x120 [ 287.523438][ C1] ? default_do_nmi+0x63/0x160 [ 287.523460][ C1] ? exc_nmi+0x123/0x1f0 [ 287.523481][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.523506][ C1] ? check_preemption_disabled+0x19/0x120 [ 287.523526][ C1] ? check_preemption_disabled+0x19/0x120 [ 287.523545][ C1] ? check_preemption_disabled+0x19/0x120 [ 287.523565][ C1] [ 287.523570][ C1] [ 287.523579][ C1] lock_acquire+0x1fd/0x550 [ 287.523600][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.523618][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.523642][ C1] ? __pfx_lock_release+0x10/0x10 [ 287.523663][ C1] ? radix_tree_lookup+0xa1/0x290 [ 287.523687][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.523710][ C1] tcf_idr_check_alloc+0x12d/0x900 [ 287.523733][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.523759][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10 [ 287.523783][ C1] ? __nla_parse+0x40/0x60 [ 287.523808][ C1] tcf_police_init+0x29b/0x17c0 [ 287.523833][ C1] ? __sock_sendmsg+0x221/0x270 [ 287.523852][ C1] ? ____sys_sendmsg+0x525/0x7d0 [ 287.523883][ C1] ? __pfx_tcf_police_init+0x10/0x10 [ 287.523921][ C1] ? nla_memcpy+0x5d/0xc0 [ 287.523942][ C1] ? __asan_memcpy+0x40/0x70 [ 287.523961][ C1] ? __pfx_tcf_police_init+0x10/0x10 [ 287.523987][ C1] tcf_action_init_1+0x5d7/0x890 [ 287.524016][ C1] ? __pfx_tcf_action_init_1+0x10/0x10 [ 287.524052][ C1] ? tcf_action_fill_size+0x1e/0x2d0 [ 287.524078][ C1] tcf_action_init+0x2e4/0x940 [ 287.524108][ C1] ? __pfx_tcf_action_init+0x10/0x10 [ 287.524160][ C1] ? apparmor_capable+0x138/0x1b0 [ 287.524188][ C1] tc_ctl_action+0x47d/0xcf0 [ 287.524214][ C1] ? is_bpf_text_address+0x26/0x2a0 [ 287.524237][ C1] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.524276][ C1] ? trace_contention_end+0x3c/0x120 [ 287.524299][ C1] ? __mutex_lock+0x2ef/0xd70 [ 287.524335][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 287.524366][ C1] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.524390][ C1] rtnetlink_rcv_msg+0x89b/0x10d0 [ 287.524413][ C1] ? rtnetlink_rcv_msg+0x208/0x10d0 [ 287.524433][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.524452][ C1] ? is_bpf_text_address+0x285/0x2a0 [ 287.524473][ C1] ? __pfx_validate_chain+0x10/0x10 [ 287.524495][ C1] ? __pfx_validate_chain+0x10/0x10 [ 287.524518][ C1] ? arch_stack_walk+0x16d/0x1b0 [ 287.524549][ C1] ? mark_lock+0x9a/0x350 [ 287.524568][ C1] ? __pfx_validate_chain+0x10/0x10 [ 287.524591][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 287.524616][ C1] ? mark_lock+0x9a/0x350 [ 287.524637][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 287.524665][ C1] netlink_rcv_skb+0x1e3/0x430 [ 287.524682][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.524703][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.524730][ C1] ? netlink_deliver_tap+0x2e/0x1b0 [ 287.524748][ C1] netlink_unicast+0x7ea/0x980 [ 287.524778][ C1] ? __pfx_netlink_unicast+0x10/0x10 [ 287.524801][ C1] ? __virt_addr_valid+0x183/0x520 [ 287.524827][ C1] ? __check_object_size+0x49c/0x900 [ 287.524852][ C1] ? bpf_lsm_netlink_send+0x9/0x10 [ 287.524879][ C1] netlink_sendmsg+0x8db/0xcb0 [ 287.524902][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.524921][ C1] ? __import_iovec+0x536/0x820 [ 287.524942][ C1] ? aa_sock_msg_perm+0x91/0x160 [ 287.524961][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.524977][ C1] ? security_socket_sendmsg+0x87/0xb0 [ 287.525001][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.525017][ C1] __sock_sendmsg+0x221/0x270 [ 287.525039][ C1] ____sys_sendmsg+0x525/0x7d0 [ 287.525069][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.525097][ C1] ? do_raw_spin_lock+0x14f/0x370 [ 287.525126][ C1] __sys_sendmsg+0x2b0/0x3a0 [ 287.525153][ C1] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.525185][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.525209][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.525229][ C1] ? ptrace_notify+0x279/0x380 [ 287.525261][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.525279][ C1] ? exc_page_fault+0x590/0x8c0 [ 287.525309][ C1] do_syscall_64+0xf3/0x230 [ 287.525333][ C1] ? clear_bhb_loop+0x35/0x90 [ 287.525353][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.525372][ C1] RIP: 0033:0x7f5156871df9 [ 287.525438][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 287.525453][ C1] RSP: 002b:00007ffdde721168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.525470][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5156871df9 [ 287.525482][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 287.525492][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 287.525502][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.525512][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 287.525530][ C1] [ 287.525538][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.508 msecs [ 288.189714][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.196587][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-12122-gc519cf9b7434 #0 [ 288.206151][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 288.216222][ T30] Call Trace: [ 288.219517][ T30] [ 288.222470][ T30] dump_stack_lvl+0x241/0x360 [ 288.227182][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.232488][ T30] ? __pfx__printk+0x10/0x10 [ 288.237197][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.243639][ T30] ? vscnprintf+0x5d/0x90 [ 288.247996][ T30] panic+0x349/0x860 [ 288.251929][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.258106][ T30] ? __pfx_panic+0x10/0x10 [ 288.262553][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 288.267954][ T30] ? __irq_work_queue_local+0x137/0x410 [ 288.273526][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 288.278929][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.285115][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 288.291303][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 288.297486][ T30] watchdog+0x101d/0x1020 [ 288.301848][ T30] ? watchdog+0x1ea/0x1020 [ 288.306290][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.310992][ T30] kthread+0x2f0/0x390 [ 288.315089][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.319785][ T30] ? __pfx_kthread+0x10/0x10 [ 288.324403][ T30] ret_from_fork+0x4b/0x80 [ 288.328847][ T30] ? __pfx_kthread+0x10/0x10 [ 288.333459][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.338267][ T30] [ 288.343043][ T30] Kernel Offset: disabled [ 288.347389][ T30] Rebooting in 86400 seconds..