Warning: Permanently added '10.128.0.184' (ED25519) to the list of known hosts. executing program [ 286.452653][ T28] INFO: task syz-executor383:4263 blocked for more than 143 seconds. [ 286.461344][ T28] Not tainted 6.1.127-syzkaller #0 [ 286.467705][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.476867][ T28] task:syz-executor383 state:D stack:23232 pid:4263 ppid:4262 flags:0x00004002 [ 286.486542][ T28] Call Trace: [ 286.490403][ T28] [ 286.493549][ T28] __schedule+0x143f/0x4570 [ 286.498371][ T28] ? release_firmware_map_entry+0x186/0x186 [ 286.504501][ T28] ? __mutex_unlock_slowpath+0x218/0x750 [ 286.510409][ T28] ? task_work_cancel_func+0x2b0/0x2b0 [ 286.516515][ T28] ? _free_event+0xf5/0x1090 [ 286.521481][ T28] schedule+0xbf/0x180 [ 286.525610][ T28] _free_event+0x169/0x1090 [ 286.530389][ T28] perf_event_release_kernel+0x873/0x900 [ 286.536360][ T28] ? calc_timer_values+0x420/0x420 [ 286.541600][ T28] ? ima_file_free+0xe8/0x3c0 [ 286.546394][ T28] perf_release+0x37/0x40 [ 286.551132][ T28] ? perf_mmap+0x13e0/0x13e0 [ 286.556084][ T28] __fput+0x3f6/0x8d0 [ 286.560131][ T28] task_work_run+0x246/0x300 [ 286.565107][ T28] ? task_work_cancel+0x2e0/0x2e0 [ 286.571101][ T28] ? exit_task_namespaces+0xdd/0xf0 [ 286.576486][ T28] do_exit+0xa6e/0x26a0 [ 286.580828][ T28] ? nfs_ssc_unregister+0x30/0x30 [ 286.586323][ T28] ? put_task_struct+0x80/0x80 [ 286.591495][ T28] do_group_exit+0x202/0x2b0 [ 286.596223][ T28] get_signal+0x16f7/0x17d0 [ 286.601230][ T28] ? ptrace_notify+0x370/0x370 [ 286.606413][ T28] ? exc_page_fault+0x1c0/0x620 [ 286.611720][ T28] arch_do_signal_or_restart+0xb0/0x1a10 [ 286.617500][ T28] ? asm_exc_page_fault+0x22/0x30 [ 286.622746][ T28] ? rcu_is_watching+0x11/0xb0 [ 286.627759][ T28] ? get_sigframe_size+0x10/0x10 [ 286.633177][ T28] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.639263][ T28] ? exit_to_user_mode_loop+0x39/0x100 [ 286.645225][ T28] exit_to_user_mode_loop+0x6a/0x100 [ 286.650767][ T28] exit_to_user_mode_prepare+0xb1/0x140 [ 286.656888][ T28] syscall_exit_to_user_mode+0x60/0x270 [ 286.662837][ T28] do_syscall_64+0x47/0xb0 [ 286.667763][ T28] ? clear_bhb_loop+0x45/0xa0 [ 286.673051][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 286.679338][ T28] RIP: 0033:0x7f4ba0c6ac79 [ 286.684114][ T28] RSP: 002b:00007ffe6760f9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 286.692767][ T28] RAX: fffffffffffffff2 RBX: 0000000000000000 RCX: 00007f4ba0c6ac79 [ 286.701119][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000640c7000 [ 286.709320][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 286.717566][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.725728][ T28] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 286.734241][ T28] [ 286.737484][ T28] [ 286.737484][ T28] Showing all locks held in the system: [ 286.745349][ T28] 1 lock held by rcu_tasks_kthre/12: [ 286.750670][ T28] #0: ffffffff8d32b290 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 286.761899][ T28] 1 lock held by rcu_tasks_trace/13: [ 286.768303][ T28] #0: ffffffff8d32ba90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 286.779925][ T28] 1 lock held by khungtaskd/28: [ 286.785195][ T28] #0: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 286.795248][ T28] 1 lock held by klogd/3611: [ 286.799976][ T28] #0: ffff8880b8e3a9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 286.810282][ T28] 2 locks held by getty/4007: [ 286.815149][ T28] #0: ffff88807e3f0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.825380][ T28] #1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 [ 286.835752][ T28] [ 286.838120][ T28] ============================================= [ 286.838120][ T28] [ 286.846904][ T28] NMI backtrace for cpu 1 [ 286.851532][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.127-syzkaller #0 [ 286.859997][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 286.870756][ T28] Call Trace: [ 286.874674][ T28] [ 286.877708][ T28] dump_stack_lvl+0x1e3/0x2cb [ 286.882654][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 286.888259][ T28] ? panic+0x764/0x764 [ 286.892478][ T28] ? vprintk_emit+0x622/0x740 [ 286.897197][ T28] ? printk_sprint+0x490/0x490 [ 286.901996][ T28] ? nmi_cpu_backtrace+0x252/0x560 [ 286.907538][ T28] nmi_cpu_backtrace+0x4e1/0x560 [ 286.912615][ T28] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 286.918918][ T28] ? _printk+0xd1/0x111 [ 286.923099][ T28] ? panic+0x764/0x764 [ 286.927391][ T28] ? __wake_up_klogd+0xcc/0x100 [ 286.932366][ T28] ? panic+0x764/0x764 [ 286.936587][ T28] ? nmi_trigger_cpumask_backtrace+0xe0/0x3f0 [ 286.942939][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.949507][ T28] nmi_trigger_cpumask_backtrace+0x1ae/0x3f0 [ 286.955729][ T28] watchdog+0xf88/0xfd0 [ 286.960148][ T28] ? watchdog+0x1f8/0xfd0 [ 286.964819][ T28] kthread+0x28d/0x320 [ 286.969036][ T28] ? hungtask_pm_notify+0x50/0x50 [ 286.974166][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.978907][ T28] ret_from_fork+0x1f/0x30 [ 286.983385][ T28] [ 286.987110][ T28] Sending NMI from CPU 1 to CPUs 0: [ 286.992587][ C0] NMI backtrace for cpu 0 [ 286.992609][ C0] CPU: 0 PID: 33 Comm: kworker/u4:2 Not tainted 6.1.127-syzkaller #0 [ 286.992628][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 286.992640][ C0] Workqueue: events_unbound toggle_allocation_gate [ 286.992672][ C0] RIP: 0010:mark_lock+0x81/0x340 [ 286.992703][ C0] Code: be 01 00 00 00 89 e9 41 d3 e6 49 8d 5f 20 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 29 02 00 00 8b 1b 81 e3 ff 1f 00 00 <48> 89 d8 48 c1 e8 06 48 8d 3c c5 60 02 25 91 be 08 00 00 00 e8 a6 [ 286.992722][ C0] RSP: 0018:ffffc90000aa7498 EFLAGS: 00000006 [ 286.992736][ C0] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000003 [ 286.992747][ C0] RDX: 0000000000000003 RSI: ffff88801d6728f0 RDI: ffff88801d671dc0 [ 286.992759][ C0] RBP: 0000000000000003 R08: dffffc0000000000 R09: fffffbfff224a04f [ 286.992771][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801d672910 [ 286.992784][ C0] R13: dffffc0000000000 R14: 0000000000000008 R15: ffff88801d6728f0 [ 286.992796][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 286.992811][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.992824][ C0] CR2: 000055dcdbcc6600 CR3: 000000000d08e000 CR4: 00000000003506f0 [ 286.992839][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.992849][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.992860][ C0] Call Trace: [ 286.992866][ C0] [ 286.992872][ C0] ? nmi_cpu_backtrace+0x3de/0x560 [ 286.992891][ C0] ? read_lock_is_recursive+0x10/0x10 [ 286.992919][ C0] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 286.992953][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 286.992970][ C0] ? nmi_handle+0x12e/0x440 [ 286.992998][ C0] ? nmi_handle+0x25/0x440 [ 286.993025][ C0] ? mark_lock+0x81/0x340 [ 286.993050][ C0] ? default_do_nmi+0x62/0x150 [ 286.993070][ C0] ? exc_nmi+0xa8/0x100 [ 286.993086][ C0] ? end_repeat_nmi+0x16/0x31 [ 286.993110][ C0] ? mark_lock+0x81/0x340 [ 286.993136][ C0] ? mark_lock+0x81/0x340 [ 286.993163][ C0] ? mark_lock+0x81/0x340 [ 286.993189][ C0] [ 286.993194][ C0] [ 286.993201][ C0] lockdep_hardirqs_on_prepare+0x27d/0x7a0 [ 286.993230][ C0] ? print_irqtrace_events+0x210/0x210 [ 286.993256][ C0] ? __bitmap_and+0x2ef/0x310 [ 286.993283][ C0] ? smp_call_function_many_cond+0x1d17/0x3460 [ 286.993309][ C0] trace_hardirqs_on+0x34/0x40 [ 286.993335][ C0] smp_call_function_many_cond+0x1d2b/0x3460 [ 286.993365][ C0] ? text_poke_sync+0x20/0x20 [ 286.993390][ C0] ? __text_poke+0x81a/0x9a0 [ 286.993410][ C0] ? mark_lock+0x9a/0x340 [ 286.993436][ C0] ? smp_call_function_many+0x30/0x30 [ 286.993458][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.993487][ C0] ? do_raw_spin_unlock+0x137/0x8a0 [ 286.993508][ C0] ? _raw_spin_unlock+0x24/0x40 [ 286.993533][ C0] ? kmem_cache_alloc_bulk+0x11a/0x4d0 [ 286.993555][ C0] ? __text_poke+0x81a/0x9a0 [ 286.993578][ C0] ? kmem_cache_alloc_bulk+0x11a/0x4d0 [ 286.993691][ C0] ? __text_poke+0x9a0/0x9a0 [ 286.993727][ C0] ? text_poke+0x90/0x90 [ 286.993747][ C0] ? read_lock_is_recursive+0x10/0x10 [ 286.993774][ C0] ? __mutex_trylock_common+0x17e/0x2e0 [ 286.993796][ C0] ? __might_sleep+0xb0/0xb0 [ 286.993825][ C0] ? trace_raw_output_contention_end+0xd0/0xd0 [ 286.993850][ C0] ? text_poke_sync+0x20/0x20 [ 286.993871][ C0] on_each_cpu_cond_mask+0x3b/0x80 [ 286.993896][ C0] ? kmem_cache_alloc_bulk+0x11a/0x4d0 [ 286.993919][ C0] text_poke_bp_batch+0x2bb/0x940 [ 286.993943][ C0] ? arch_jump_label_transform_apply+0xe/0x20 [ 286.993962][ C0] ? text_poke_loc_init+0x680/0x680 [ 286.993985][ C0] ? arch_jump_label_transform_queue+0x7d/0xd0 [ 286.994007][ C0] text_poke_finish+0x16/0x30 [ 286.994027][ C0] arch_jump_label_transform_apply+0x13/0x20 [ 286.994046][ C0] static_key_disable_cpuslocked+0xce/0x1b0 [ 286.994071][ C0] static_key_disable+0x16/0x20 [ 286.994092][ C0] toggle_allocation_gate+0x3e0/0x480 [ 286.994116][ C0] ? show_object+0xa0/0xa0 [ 286.994136][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.994163][ C0] ? print_irqtrace_events+0x210/0x210 [ 286.994186][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 286.994213][ C0] ? do_raw_spin_unlock+0x137/0x8a0 [ 286.994232][ C0] ? process_one_work+0x7a9/0x11d0 [ 286.994253][ C0] process_one_work+0x8a9/0x11d0 [ 286.994279][ C0] ? worker_detach_from_pool+0x260/0x260 [ 286.994300][ C0] ? _raw_spin_lock_irqsave+0x120/0x120 [ 286.994323][ C0] ? kthread_data+0x4e/0xc0 [ 286.994350][ C0] ? wq_worker_running+0x97/0x190 [ 286.994366][ C0] worker_thread+0xa47/0x1200 [ 286.994396][ C0] kthread+0x28d/0x320 [ 286.994410][ C0] ? worker_clr_flags+0x190/0x190 [ 286.994429][ C0] ? kthread_blkcg+0xd0/0xd0 [ 286.994444][ C0] ret_from_fork+0x1f/0x30 [ 286.994474][ C0] [ 286.994485][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.895 msecs [ 286.994729][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 287.503941][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.127-syzkaller #0 [ 287.512508][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 287.522800][ T28] Call Trace: [ 287.526176][ T28] [ 287.529207][ T28] dump_stack_lvl+0x1e3/0x2cb [ 287.534035][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 287.539659][ T28] ? panic+0x764/0x764 [ 287.543870][ T28] ? vscnprintf+0x59/0x80 [ 287.548447][ T28] panic+0x318/0x764 [ 287.552689][ T28] ? nmi_trigger_cpumask_backtrace+0x2bf/0x3f0 [ 287.559075][ T28] ? memcpy_page_flushcache+0xfc/0xfc [ 287.565416][ T28] ? nmi_trigger_cpumask_backtrace+0x2bf/0x3f0 [ 287.572272][ T28] ? nmi_trigger_cpumask_backtrace+0x338/0x3f0 [ 287.578866][ T28] ? nmi_trigger_cpumask_backtrace+0x33d/0x3f0 [ 287.585073][ T28] watchdog+0xfc7/0xfd0 [ 287.589772][ T28] ? watchdog+0x1f8/0xfd0 [ 287.594361][ T28] kthread+0x28d/0x320 [ 287.598593][ T28] ? hungtask_pm_notify+0x50/0x50 [ 287.604222][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.608953][ T28] ret_from_fork+0x1f/0x30 [ 287.613945][ T28] [ 287.618138][ T28] Kernel Offset: disabled [ 287.623197][ T28] Rebooting in 86400 seconds..