./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4069847277 <...> Warning: Permanently added '10.128.1.201' (ED25519) to the list of known hosts. execve("./syz-executor4069847277", ["./syz-executor4069847277"], 0x7ffd75b14850 /* 10 vars */) = 0 brk(NULL) = 0x55557e103000 brk(0x55557e103d00) = 0x55557e103d00 arch_prctl(ARCH_SET_FS, 0x55557e103380) = 0 set_tid_address(0x55557e103650) = 5087 set_robust_list(0x55557e103660, 24) = 0 rseq(0x55557e103ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4069847277", 4096) = 28 getrandom("\x35\x68\xe4\xde\xf8\x8f\x42\xf4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557e103d00 brk(0x55557e124d00) = 0x55557e124d00 brk(0x55557e125000) = 0x55557e125000 mprotect(0x7ffbf325f000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached , child_tidptr=0x55557e103650) = 5088 [pid 5088] set_robust_list(0x55557e103660, 24) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] write(1, "executing program\n", 18executing program ) = 18 [pid 5088] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5088] 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 5087] kill(-5088, SIGKILL) = 0 [pid 5087] kill(5088, SIGKILL) = 0 [pid 5087] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5087] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5087] getdents64(3, 0x55557e1046f0 /* 2 entries */, 32768) = 48 [pid 5087] getdents64(3, 0x55557e1046f0 /* 0 entries */, 32768) = 0 [pid 5087] close(3) = 0 [ 76.895192][ T784] cfg80211: failed to load regulatory.db [ 286.804431][ T30] INFO: task kworker/1:1:45 blocked for more than 143 seconds. [ 286.812186][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0 [ 286.823304][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.832471][ T30] task:kworker/1:1 state:D stack:22416 pid:45 tgid:45 ppid:2 flags:0x00004000 [ 286.843086][ T30] Workqueue: events_power_efficient reg_check_chans_work [ 286.850611][ T30] Call Trace: [ 286.853908][ T30] [ 286.857399][ T30] __schedule+0x17e8/0x4a20 [ 286.861956][ T30] ? __pfx___schedule+0x10/0x10 [ 286.867283][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.873287][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.878830][ T30] ? kick_pool+0x45c/0x620 [ 286.883274][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.888541][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.893941][ T30] ? schedule+0x90/0x320 [ 286.898818][ T30] schedule+0x14b/0x320 [ 286.902998][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.908842][ T30] __mutex_lock+0x6a4/0xd70 [ 286.913373][ T30] ? __mutex_lock+0x527/0xd70 [ 286.918524][ T30] ? reg_check_chans_work+0x91/0xea0 [ 286.923936][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.929963][ T30] reg_check_chans_work+0x91/0xea0 [ 286.935583][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.940639][ T30] ? __pfx_reg_check_chans_work+0x10/0x10 [ 286.946876][ T30] ? process_scheduled_works+0x945/0x1830 [ 286.952706][ T30] process_scheduled_works+0xa2c/0x1830 [ 286.958726][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.965016][ T30] ? assign_work+0x364/0x3d0 [ 286.970154][ T30] worker_thread+0x86d/0xd70 [ 286.975476][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.981416][ T30] ? __kthread_parkme+0x169/0x1d0 [ 286.986888][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.992110][ T30] kthread+0x2f0/0x390 [ 286.996564][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.001789][ T30] ? __pfx_kthread+0x10/0x10 [ 287.006829][ T30] ret_from_fork+0x4b/0x80 [ 287.011447][ T30] ? __pfx_kthread+0x10/0x10 [ 287.016739][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.021567][ T30] [ 287.025711][ T30] INFO: task kworker/1:2:784 blocked for more than 143 seconds. [ 287.033371][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0 [ 287.041754][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.051093][ T30] task:kworker/1:2 state:D stack:24184 pid:784 tgid:784 ppid:2 flags:0x00004000 [ 287.061736][ T30] Workqueue: events request_firmware_work_func [ 287.068694][ T30] Call Trace: [ 287.072071][ T30] [ 287.076525][ T30] __schedule+0x17e8/0x4a20 [ 287.081088][ T30] ? __pfx___schedule+0x10/0x10 [ 287.086422][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.091580][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.097532][ T30] ? kthread_data+0x52/0xd0 [ 287.102056][ T30] ? schedule+0x90/0x320 [ 287.106759][ T30] ? wq_worker_sleeping+0x66/0x240 [ 287.112003][ T30] ? schedule+0x90/0x320 [ 287.116765][ T30] schedule+0x14b/0x320 [ 287.120946][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.127478][ T30] __mutex_lock+0x6a4/0xd70 [ 287.132015][ T30] ? __mutex_lock+0x527/0xd70 [ 287.137145][ T30] ? regdb_fw_cb+0x82/0x1c0 [ 287.141677][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.147199][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.152157][ T30] regdb_fw_cb+0x82/0x1c0 [ 287.157429][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.162389][ T30] request_firmware_work_func+0x1a4/0x280 [ 287.168575][ T30] ? __pfx_request_firmware_work_func+0x10/0x10 [ 287.175295][ T30] ? process_scheduled_works+0x945/0x1830 [ 287.181037][ T30] process_scheduled_works+0xa2c/0x1830 [ 287.187100][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.193113][ T30] ? assign_work+0x364/0x3d0 [ 287.198021][ T30] worker_thread+0x86d/0xd70 [ 287.202662][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.209338][ T30] ? __kthread_parkme+0x169/0x1d0 [ 287.214764][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.219905][ T30] kthread+0x2f0/0x390 [ 287.224076][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.229803][ T30] ? __pfx_kthread+0x10/0x10 [ 287.234691][ T30] ret_from_fork+0x4b/0x80 [ 287.239132][ T30] ? __pfx_kthread+0x10/0x10 [ 287.243735][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.249117][ T30] [ 287.254019][ T30] [ 287.254019][ T30] Showing all locks held in the system: [ 287.262727][ T30] 1 lock held by khungtaskd/30: [ 287.268236][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.278715][ T30] 3 locks held by kworker/1:1/45: [ 287.283758][ T30] #0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.296644][ T30] #1: ffffc90000b57d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.308205][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xea0 [ 287.318789][ T30] 3 locks held by kworker/1:2/784: [ 287.323944][ T30] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.336664][ T30] #1: ffffc9000377fd00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.349252][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: regdb_fw_cb+0x82/0x1c0 [ 287.358743][ T30] 3 locks held by kworker/u8:5/1042: [ 287.364143][ T30] #0: ffff88802a2f6948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.377455][ T30] #1: ffffc900043c7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.392170][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 [ 287.402552][ T30] 2 locks held by getty/4846: [ 287.407652][ T30] #0: ffff88802acbe0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.417909][ T30] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 287.428493][ T30] 2 locks held by syz-executor406/5088: [ 287.434051][ T30] [ 287.436801][ T30] ============================================= [ 287.436801][ T30] [ 287.446038][ T30] NMI backtrace for cpu 0 [ 287.450487][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0 [ 287.460912][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 287.470973][ T30] Call Trace: [ 287.474258][ T30] [ 287.477191][ T30] dump_stack_lvl+0x241/0x360 [ 287.481885][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.487098][ T30] ? __pfx__printk+0x10/0x10 [ 287.491705][ T30] ? vprintk_emit+0x631/0x770 [ 287.496397][ T30] ? __pfx_vprintk_emit+0x10/0x10 [ 287.501437][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.506413][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.511904][ T30] ? _printk+0xd5/0x120 [ 287.516086][ T30] ? __pfx__printk+0x10/0x10 [ 287.520690][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.525549][ T30] ? __pfx__printk+0x10/0x10 [ 287.530151][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.535183][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.541170][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.547175][ T30] watchdog+0xfde/0x1020 [ 287.551429][ T30] ? watchdog+0x1ea/0x1020 [ 287.555866][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.560557][ T30] kthread+0x2f0/0x390 [ 287.564634][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.569772][ T30] ? __pfx_kthread+0x10/0x10 [ 287.574487][ T30] ret_from_fork+0x4b/0x80 [ 287.578930][ T30] ? __pfx_kthread+0x10/0x10 [ 287.583622][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.588418][ T30] [ 287.591992][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.597264][ C1] NMI backtrace for cpu 1 [ 287.597277][ C1] CPU: 1 PID: 5088 Comm: syz-executor406 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0 [ 287.597294][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 287.597307][ C1] RIP: 0010:kasan_check_range+0x1ba/0x290 [ 287.597334][ C1] Code: fb 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 3b 00 0f 85 a6 00 00 00 49 ff c3 48 ff cd 75 ee 5b 41 5c <41> 5e 41 5f 5d c3 cc cc cc cc 40 84 ed 75 5f f7 c5 00 ff 00 00 75 [ 287.597346][ C1] RSP: 0018:ffffc9000349e490 EFLAGS: 00000056 [ 287.597360][ C1] RAX: 0000000000000001 RBX: 0000000000000021 RCX: ffffffff81727d95 [ 287.597371][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92fb5580 [ 287.597381][ C1] RBP: 0000000000000000 R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0 [ 287.597391][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: ffff888019b39e00 [ 287.597402][ C1] R13: ffff888019b39e00 R14: dffffc0000000001 R15: fffffbfff25f6ab1 [ 287.597414][ C1] FS: 000055557e103380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 287.597428][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.597438][ C1] CR2: 00007f1593a79580 CR3: 000000007e4ea000 CR4: 00000000003506f0 [ 287.597452][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.597461][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.597470][ C1] Call Trace: [ 287.597477][ C1] [ 287.597483][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.597502][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.597519][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.597543][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.597560][ C1] ? nmi_handle+0x14f/0x5a0 [ 287.597580][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.597599][ C1] ? kasan_check_range+0x1ba/0x290 [ 287.597617][ C1] ? default_do_nmi+0x63/0x160 [ 287.597635][ C1] ? exc_nmi+0x123/0x1f0 [ 287.597651][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.597671][ C1] ? __lock_acquire+0x1265/0x1fd0 [ 287.597687][ C1] ? kasan_check_range+0x1ba/0x290 [ 287.597706][ C1] ? kasan_check_range+0x1ba/0x290 [ 287.597732][ C1] ? kasan_check_range+0x1ba/0x290 [ 287.597751][ C1] [ 287.597756][ C1] [ 287.597761][ C1] __lock_acquire+0x1265/0x1fd0 [ 287.597784][ C1] lock_acquire+0x1ed/0x550 [ 287.597798][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.597818][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.597833][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.597849][ C1] ? __pfx_lock_release+0x10/0x10 [ 287.597864][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.597883][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.597899][ C1] tcf_idr_check_alloc+0x12d/0x900 [ 287.597915][ C1] ? tcf_idr_check_alloc+0x110/0x900 [ 287.597933][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10 [ 287.597950][ C1] ? __nla_parse+0x40/0x60 [ 287.597970][ C1] tcf_police_init+0x29b/0x17c0 [ 287.597987][ C1] ? __sock_sendmsg+0x221/0x270 [ 287.598004][ C1] ? ____sys_sendmsg+0x525/0x7d0 [ 287.598025][ C1] ? __pfx_tcf_police_init+0x10/0x10 [ 287.598053][ C1] ? nla_memcpy+0x5d/0xc0 [ 287.598070][ C1] ? __asan_memcpy+0x40/0x70 [ 287.598087][ C1] ? __pfx_tcf_police_init+0x10/0x10 [ 287.598104][ C1] tcf_action_init_1+0x5d7/0x890 [ 287.598124][ C1] ? __pfx_tcf_action_init_1+0x10/0x10 [ 287.598151][ C1] ? tcf_action_fill_size+0x1e/0x2d0 [ 287.598169][ C1] tcf_action_init+0x2e4/0x940 [ 287.598191][ C1] ? __pfx_tcf_action_init+0x10/0x10 [ 287.598230][ C1] ? apparmor_capable+0x138/0x1b0 [ 287.598253][ C1] tc_ctl_action+0x47d/0xcf0 [ 287.598271][ C1] ? is_bpf_text_address+0x26/0x2a0 [ 287.598290][ C1] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.598318][ C1] ? trace_contention_end+0x3c/0x120 [ 287.598337][ C1] ? __mutex_lock+0x2ef/0xd70 [ 287.598360][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 287.598384][ C1] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.598400][ C1] rtnetlink_rcv_msg+0x89b/0x1180 [ 287.598420][ C1] ? rtnetlink_rcv_msg+0x208/0x1180 [ 287.598440][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.598457][ C1] ? is_bpf_text_address+0x285/0x2a0 [ 287.598475][ C1] ? __pfx_validate_chain+0x10/0x10 [ 287.598492][ C1] ? __pfx_validate_chain+0x10/0x10 [ 287.598509][ C1] ? arch_stack_walk+0x16d/0x1b0 [ 287.598534][ C1] ? mark_lock+0x9a/0x350 [ 287.598548][ C1] ? __pfx_validate_chain+0x10/0x10 [ 287.598566][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 287.598588][ C1] ? mark_lock+0x9a/0x350 [ 287.598605][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 287.598628][ C1] netlink_rcv_skb+0x1e3/0x430 [ 287.598648][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.598666][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.598694][ C1] ? netlink_deliver_tap+0x2e/0x1b0 [ 287.598713][ C1] netlink_unicast+0x7ea/0x980 [ 287.598797][ C1] ? __pfx_netlink_unicast+0x10/0x10 [ 287.598813][ C1] ? __virt_addr_valid+0x183/0x520 [ 287.598833][ C1] ? __check_object_size+0x49c/0x900 [ 287.598847][ C1] ? bpf_lsm_netlink_send+0x9/0x10 [ 287.598868][ C1] netlink_sendmsg+0x8db/0xcb0 [ 287.598892][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.598911][ C1] ? __import_iovec+0x536/0x820 [ 287.598929][ C1] ? aa_sock_msg_perm+0x91/0x160 [ 287.598946][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.598960][ C1] ? security_socket_sendmsg+0x87/0xb0 [ 287.598980][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.598996][ C1] __sock_sendmsg+0x221/0x270 [ 287.599015][ C1] ____sys_sendmsg+0x525/0x7d0 [ 287.599035][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.599052][ C1] ? do_raw_spin_lock+0x14f/0x370 [ 287.599075][ C1] __sys_sendmsg+0x2b0/0x3a0 [ 287.599091][ C1] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.599111][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.599132][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.599148][ C1] ? ptrace_notify+0x279/0x380 [ 287.599173][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.599188][ C1] ? exc_page_fault+0x590/0x8c0 [ 287.599211][ C1] do_syscall_64+0xf3/0x230 [ 287.599226][ C1] ? clear_bhb_loop+0x35/0x90 [ 287.599243][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.599259][ C1] RIP: 0033:0x7ffbf31ebdf9 [ 287.599279][ 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 [ 287.599290][ C1] RSP: 002b:00007ffd8e969af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.599306][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffbf31ebdf9 [ 287.599317][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 287.599326][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 287.599335][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.599344][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 287.599359][ C1] [ 287.599366][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.102 msecs [ 288.277634][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.284512][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0 [ 288.294405][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 288.304473][ T30] Call Trace: [ 288.307791][ T30] [ 288.310733][ T30] dump_stack_lvl+0x241/0x360 [ 288.315440][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.320663][ T30] ? __pfx__printk+0x10/0x10 [ 288.325267][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.331261][ T30] ? vscnprintf+0x5d/0x90 [ 288.335600][ T30] panic+0x349/0x860 [ 288.339525][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.345707][ T30] ? __pfx_panic+0x10/0x10 [ 288.350149][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 288.355531][ T30] ? __irq_work_queue_local+0x137/0x410 [ 288.361134][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 288.366593][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.372789][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 288.378963][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 288.385129][ T30] watchdog+0x101d/0x1020 [ 288.389471][ T30] ? watchdog+0x1ea/0x1020 [ 288.393986][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.398764][ T30] kthread+0x2f0/0x390 [ 288.402840][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.407522][ T30] ? __pfx_kthread+0x10/0x10 [ 288.412121][ T30] ret_from_fork+0x4b/0x80 [ 288.416562][ T30] ? __pfx_kthread+0x10/0x10 [ 288.421166][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.425984][ T30] [ 288.429298][ T30] Kernel Offset: disabled [ 288.433623][ T30] Rebooting in 86400 seconds..