Warning: Permanently added '10.128.1.43' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 286.072668][ T28] INFO: task syz-executor400:4977 blocked for more than 143 seconds. [ 286.080999][ T28] Not tainted 6.1.136-syzkaller #0 [ 286.086699][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.095457][ T28] task:syz-executor400 state:D stack:27368 pid:4977 ppid:4263 flags:0x00004006 [ 286.104746][ T28] Call Trace: [ 286.108032][ T28] [ 286.110961][ T28] __schedule+0x10e9/0x40d0 [ 286.115543][ T28] ? __lock_acquire+0x7c50/0x7c50 [ 286.120583][ T28] ? release_firmware_map_entry+0x18a/0x18a [ 286.126542][ T28] ? task_work_cancel+0x9f/0x230 [ 286.131501][ T28] ? task_work_cancel_func+0x200/0x200 [ 286.137126][ T28] ? __mutex_unlock_slowpath+0x19e/0x6a0 [ 286.142802][ T28] ? _free_event+0xfd/0x10a0 [ 286.147387][ T28] schedule+0xb9/0x180 [ 286.151445][ T28] _free_event+0x171/0x10a0 [ 286.155993][ T28] ? perf_remove_from_context+0x10c/0x250 [ 286.161762][ T28] ? perf_mmap+0x13e0/0x13e0 [ 286.166351][ T28] perf_event_release_kernel+0x832/0x8c0 [ 286.172059][ T28] ? __might_sleep+0xd0/0xd0 [ 286.176667][ T28] ? calc_timer_values+0x410/0x410 [ 286.181920][ T28] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 286.187914][ T28] ? perf_mmap+0x13e0/0x13e0 [ 286.192575][ T28] perf_release+0x37/0x40 [ 286.196920][ T28] __fput+0x22c/0x920 [ 286.200904][ T28] task_work_run+0x1ca/0x250 [ 286.205550][ T28] ? task_work_cancel+0x230/0x230 [ 286.210586][ T28] ? exit_to_user_mode_loop+0x3b/0x110 [ 286.216136][ T28] exit_to_user_mode_loop+0xe6/0x110 [ 286.221452][ T28] exit_to_user_mode_prepare+0xb1/0x140 [ 286.227058][ T28] syscall_exit_to_user_mode+0x16/0x40 [ 286.232646][ T28] do_syscall_64+0x58/0xa0 [ 286.237058][ T28] ? clear_bhb_loop+0x45/0xa0 [ 286.241769][ T28] ? clear_bhb_loop+0x45/0xa0 [ 286.246451][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 286.252400][ T28] RIP: 0033:0x7f970c8d9ab9 [ 286.256839][ T28] RSP: 002b:00007ffca0cd6858 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 286.265288][ T28] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f970c8d9ab9 [ 286.273295][ T28] RDX: 00007f970c8d9ab9 RSI: ffffffffffffffff RDI: 0000000000000003 [ 286.281254][ T28] RBP: 000000000001f296 R08: 0000000000000006 R09: 0000000000000006 [ 286.289246][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca0cd686c [ 286.297251][ T28] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 286.305267][ T28] [ 286.308322][ T28] [ 286.308322][ T28] Showing all locks held in the system: [ 286.316092][ T28] 1 lock held by rcu_tasks_kthre/12: [ 286.321370][ T28] #0: ffffffff8c92b2f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00 [ 286.331870][ T28] 1 lock held by rcu_tasks_trace/13: [ 286.337156][ T28] #0: ffffffff8c92bb10 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00 [ 286.348189][ T28] 1 lock held by khungtaskd/28: [ 286.353083][ T28] #0: ffffffff8c92a960 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 286.362978][ T28] 2 locks held by getty/4010: [ 286.367656][ T28] #0: ffff88814d101098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.377497][ T28] #1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41b/0x1380 [ 286.387666][ T28] [ 286.389983][ T28] ============================================= [ 286.389983][ T28] [ 286.398519][ T28] NMI backtrace for cpu 1 [ 286.402857][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.136-syzkaller #0 [ 286.410735][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 286.420863][ T28] Call Trace: [ 286.424147][ T28] [ 286.427090][ T28] dump_stack_lvl+0x168/0x22e [ 286.431935][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 286.437326][ T28] ? show_regs_print_info+0x12/0x12 [ 286.442555][ T28] ? load_image+0x3b0/0x3b0 [ 286.447077][ T28] ? vprintk_emit+0x571/0x680 [ 286.451766][ T28] ? printk_sprint+0x460/0x460 [ 286.456531][ T28] nmi_cpu_backtrace+0x3f4/0x470 [ 286.461472][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450 [ 286.467627][ T28] ? _printk+0xcc/0x110 [ 286.471778][ T28] ? load_image+0x3b0/0x3b0 [ 286.476280][ T28] ? load_image+0x3b0/0x3b0 [ 286.480783][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.486862][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450 [ 286.492844][ T28] watchdog+0xeee/0xf30 [ 286.496999][ T28] ? watchdog+0x1ed/0xf30 [ 286.501329][ T28] kthread+0x29d/0x330 [ 286.505413][ T28] ? hungtask_pm_notify+0x40/0x40 [ 286.510455][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.515064][ T28] ret_from_fork+0x1f/0x30 [ 286.519495][ T28] [ 286.522632][ T28] Sending NMI from CPU 1 to CPUs 0: [ 286.527865][ C0] NMI backtrace for cpu 0 [ 286.527874][ C0] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.136-syzkaller #0 [ 286.527888][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 286.527897][ C0] Workqueue: events_unbound toggle_allocation_gate [ 286.527918][ C0] RIP: 0010:insn_get_prefixes+0xe5/0x16d0 [ 286.527944][ C0] Code: 8b 3b 4d 39 fc 4c 89 74 24 18 48 89 5c 24 28 0f 87 67 0e 00 00 4c 89 eb 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df 0f b6 04 03 <84> c0 0f 85 61 11 00 00 41 0f b6 75 00 83 fe 0f 41 0f 94 c6 bf 0f [ 286.527960][ C0] RSP: 0018:ffffc90000107630 EFLAGS: 00000a06 [ 286.527971][ C0] RAX: 0000000000000000 RBX: 1ffffffff03a2bf0 RCX: 1ffff92000020f38 [ 286.527981][ C0] RDX: ffff88813fe83b80 RSI: 0000000000000000 RDI: 0000000000000000 [ 286.527989][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffc90000107960 [ 286.527999][ C0] R10: fffff52000020f37 R11: 1ffff92000020f2c R12: ffffffff81d15f83 [ 286.528009][ C0] R13: ffffffff81d15f82 R14: ffffc900001079c8 R15: ffffffff81d15f91 [ 286.528019][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 286.528030][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.528040][ C0] CR2: 0000562f38d7d600 CR3: 000000000c68e000 CR4: 00000000003506f0 [ 286.528051][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.528059][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.528067][ C0] Call Trace: [ 286.528072][ C0] [ 286.528082][ C0] insn_get_opcode+0x1bc/0xa30 [ 286.528102][ C0] ? mark_lock+0x94/0x320 [ 286.528120][ C0] ? verify_lock_unused+0x140/0x140 [ 286.528142][ C0] insn_get_modrm+0x229/0x7a0 [ 286.528164][ C0] insn_get_displacement+0x156/0xa20 [ 286.528184][ C0] ? __mutex_trylock_common+0x14f/0x250 [ 286.528201][ C0] insn_get_immediate+0x325/0x1290 [ 286.528224][ C0] insn_decode+0x386/0x520 [ 286.528242][ C0] ? kmem_cache_alloc+0x62/0x2f0 [ 286.528258][ C0] __jump_label_patch+0xd8/0x430 [ 286.528273][ C0] ? rcu_is_watching+0x11/0xa0 [ 286.528292][ C0] ? arch_jump_label_transform_queue+0xd0/0xd0 [ 286.528310][ C0] ? kmem_cache_alloc+0x62/0x2f0 [ 286.528325][ C0] ? kmem_cache_alloc+0x71/0x2f0 [ 286.528339][ C0] ? kmem_cache_alloc+0x62/0x2f0 [ 286.528354][ C0] ? static_key_disable_cpuslocked+0x89/0x1a0 [ 286.528370][ C0] ? mutex_lock_nested+0x10/0x10 [ 286.528388][ C0] arch_jump_label_transform_queue+0x48/0xd0 [ 286.528403][ C0] __jump_label_update+0x17d/0x390 [ 286.528422][ C0] static_key_disable_cpuslocked+0xc1/0x1a0 [ 286.528438][ C0] static_key_disable+0x16/0x20 [ 286.528452][ C0] toggle_allocation_gate+0x38f/0x430 [ 286.528469][ C0] ? show_object+0xa0/0xa0 [ 286.528485][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 286.528504][ C0] ? read_lock_is_recursive+0x10/0x10 [ 286.528522][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 286.528541][ C0] ? _raw_spin_unlock+0x40/0x40 [ 286.528561][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.528581][ C0] ? process_one_work+0x7a1/0x1160 [ 286.528595][ C0] process_one_work+0x898/0x1160 [ 286.528615][ C0] ? worker_detach_from_pool+0x240/0x240 [ 286.528631][ C0] ? _raw_spin_lock_irq+0xab/0xe0 [ 286.528649][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 286.528668][ C0] ? kthread_data+0x4b/0xc0 [ 286.528689][ C0] worker_thread+0xaa2/0x1250 [ 286.528715][ C0] kthread+0x29d/0x330 [ 286.528733][ C0] ? worker_clr_flags+0x1a0/0x1a0 [ 286.528747][ C0] ? kthread_blkcg+0xd0/0xd0 [ 286.528767][ C0] ret_from_fork+0x1f/0x30 [ 286.528791][ C0] [ 286.528912][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 286.881322][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.136-syzkaller #0 [ 286.889200][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 286.899255][ T28] Call Trace: [ 286.902521][ T28] [ 286.905437][ T28] dump_stack_lvl+0x168/0x22e [ 286.910104][ T28] ? memcpy+0x3c/0x60 [ 286.914170][ T28] ? show_regs_print_info+0x12/0x12 [ 286.919378][ T28] ? load_image+0x3b0/0x3b0 [ 286.923868][ T28] panic+0x2c9/0x710 [ 286.927750][ T28] ? schedule_preempt_disabled+0x20/0x20 [ 286.933368][ T28] ? bpf_jit_dump+0xd0/0xd0 [ 286.937873][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450 [ 286.944022][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450 [ 286.950165][ T28] watchdog+0xf2d/0xf30 [ 286.954311][ T28] ? watchdog+0x1ed/0xf30 [ 286.958632][ T28] kthread+0x29d/0x330 [ 286.962690][ T28] ? hungtask_pm_notify+0x40/0x40 [ 286.967701][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.972281][ T28] ret_from_fork+0x1f/0x30 [ 286.976695][ T28] [ 286.980042][ T28] Kernel Offset: disabled [ 286.984369][ T28] Rebooting in 86400 seconds..