Warning: Permanently added '10.128.0.125' (ED25519) to the list of known hosts.
executing program
[ 716.323180][ T27] INFO: task kworker/1:1:24 blocked for more than 143 seconds.
[ 716.330812][ T27] Not tainted 5.15.160-syzkaller #0
[ 716.337070][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.345982][ T27] task:kworker/1:1 state:D stack:24256 pid: 24 ppid: 2 flags:0x00004000
[ 716.355488][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.361846][ T27] Call Trace:
[ 716.365339][ T27]
[ 716.368277][ T27] __schedule+0x12c4/0x45b0
[ 716.372888][ T27] ? mark_lock+0x98/0x340
[ 716.377531][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.383687][ T27] ? release_firmware_map_entry+0x190/0x190
[ 716.389585][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 716.395352][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.400558][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.405992][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.411283][ T27] schedule+0x11b/0x1f0
[ 716.415749][ T27] schedule_preempt_disabled+0xf/0x20
[ 716.421136][ T27] __mutex_lock_common+0xe34/0x25a0
[ 716.426634][ T27] ? addrconf_verify_work+0xa/0x20
[ 716.431762][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 716.437241][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.443398][ T27] ? print_irqtrace_events+0x210/0x210
[ 716.448865][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.455755][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.460983][ T27] mutex_lock_nested+0x17/0x20
[ 716.465998][ T27] addrconf_verify_work+0xa/0x20
[ 716.470941][ T27] process_one_work+0x8a1/0x10c0
[ 716.476213][ T27] ? worker_detach_from_pool+0x260/0x260
[ 716.481860][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 716.487642][ T27] ? kthread_data+0x4e/0xc0
[ 716.492199][ T27] ? wq_worker_running+0x97/0x170
[ 716.497458][ T27] worker_thread+0xaca/0x1280
[ 716.502163][ T27] kthread+0x3f6/0x4f0
[ 716.506433][ T27] ? rcu_lock_release+0x20/0x20
[ 716.511288][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.516091][ T27] ret_from_fork+0x1f/0x30
[ 716.520548][ T27]
[ 716.523919][ T27]
[ 716.523919][ T27] Showing all locks held in the system:
[ 716.531632][ T27] 3 locks held by kworker/1:1/24:
[ 716.536904][ T27] #0: ffff88814acf7138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 716.548063][ T27] #1: ffffc90000defd20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 716.558870][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 716.568482][ T27] 1 lock held by khungtaskd/27:
[ 716.573493][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 716.582851][ T27] 2 locks held by getty/3280:
[ 716.587808][ T27] #0: ffff88814b163098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.597843][ T27] #1: ffffc9000229b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 716.608112][ T27] 2 locks held by syz-executor447/3535:
[ 716.613891][ T27]
[ 716.616217][ T27] =============================================
[ 716.616217][ T27]
[ 716.624839][ T27] NMI backtrace for cpu 1
[ 716.629164][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 716.637132][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.647180][ T27] Call Trace:
[ 716.650456][ T27]
[ 716.653380][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 716.658063][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 716.663804][ T27] ? panic+0x860/0x860
[ 716.667952][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 716.673098][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 716.678030][ T27] ? __wake_up_klogd+0xd5/0x100
[ 716.682895][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.689052][ T27] ? _printk+0xd1/0x120
[ 716.693211][ T27] ? panic+0x860/0x860
[ 716.697275][ T27] ? __wake_up_klogd+0xcc/0x100
[ 716.702120][ T27] ? panic+0x860/0x860
[ 716.706189][ T27] ? __rcu_read_unlock+0x92/0x100
[ 716.711445][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.717620][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 716.723600][ T27] watchdog+0xe72/0xeb0
[ 716.727791][ T27] kthread+0x3f6/0x4f0
[ 716.731862][ T27] ? hungtask_pm_notify+0x50/0x50
[ 716.736879][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.741467][ T27] ret_from_fork+0x1f/0x30
[ 716.745891][ T27]
[ 716.749002][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 716.754231][ C0] NMI backtrace for cpu 0
[ 716.754240][ C0] CPU: 0 PID: 2945 Comm: syslogd Not tainted 5.15.160-syzkaller #0
[ 716.754256][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.754264][ C0] RIP: 0010:__might_sleep+0x1/0xc0
[ 716.754350][ C0] Code: ff ff 44 89 f9 80 e1 07 38 c1 0f 8c a8 fe ff ff 4c 89 ff e8 91 0c 71 00 e9 9b fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <41> 57 41 56 41 55 41 54 53 41 89 d6 41 89 f7 49 89 fc 49 bd 00 00
[ 716.754361][ C0] RSP: 0018:ffffc9000253fc68 EFLAGS: 00000246
[ 716.754374][ C0] RAX: 1ffff1100fab10f1 RBX: ffff88807e430000 RCX: ffff88807e6f5940
[ 716.754385][ C0] RDX: 0000000000000000 RSI: 0000000000000031 RDI: ffffffff8a96c100
[ 716.754394][ C0] RBP: 0000000000008000 R08: ffffffff81d50fbe R09: fffffbfff1bc8cce
[ 716.754404][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000062
[ 716.754413][ C0] R13: 1ffff1100efe81f0 R14: ffff88807e430390 R15: dffffc0000000000
[ 716.754423][ C0] FS: 00007f582c018380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 716.754436][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.754446][ C0] CR2: 00007ff5f22ac580 CR3: 0000000022ea0000 CR4: 00000000003506f0
[ 716.754458][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.754466][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.754475][ C0] Call Trace:
[ 716.754479][ C0]
[ 716.754484][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 716.754500][ C0] ? read_lock_is_recursive+0x10/0x10
[ 716.754516][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.754530][ C0] ? unknown_nmi_error+0xd0/0xd0
[ 716.754569][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 716.754583][ C0] ? nmi_handle+0xf7/0x370
[ 716.754597][ C0] ? __might_sleep+0x1/0xc0
[ 716.754610][ C0] ? default_do_nmi+0x62/0x150
[ 716.754627][ C0] ? exc_nmi+0xa8/0x100
[ 716.754640][ C0] ? end_repeat_nmi+0x16/0x31
[ 716.754657][ C0] ? file_start_write+0x5e/0x250
[ 716.754691][ C0] ? __might_sleep+0x1/0xc0
[ 716.754704][ C0] ? __might_sleep+0x1/0xc0
[ 716.754718][ C0] ? __might_sleep+0x1/0xc0
[ 716.754731][ C0]
[ 716.754735][ C0]
[ 716.754739][ C0] file_start_write+0xa1/0x250
[ 716.754754][ C0] vfs_write+0x29a/0xe50
[ 716.754772][ C0] ? file_end_write+0x250/0x250
[ 716.754789][ C0] ? read_lock_is_recursive+0x10/0x10
[ 716.754802][ C0] ? __context_tracking_exit+0x4c/0x80
[ 716.754819][ C0] ? __lock_acquire+0x1ff0/0x1ff0
[ 716.754833][ C0] ? __fdget_pos+0x2d2/0x380
[ 716.754878][ C0] ksys_write+0x1a2/0x2c0
[ 716.754893][ C0] ? print_irqtrace_events+0x210/0x210
[ 716.754907][ C0] ? __ia32_sys_read+0x80/0x80
[ 716.754922][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.754937][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 716.754953][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.754970][ C0] do_syscall_64+0x3b/0xb0
[ 716.754983][ C0] ? clear_bhb_loop+0x15/0x70
[ 716.754996][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 716.755010][ C0] RIP: 0033:0x7f582c16cbf2
[ 716.755021][ C0] Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
[ 716.755032][ C0] RSP: 002b:00007fff2fdb27e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 716.755045][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f582c16cbf2
[ 716.755055][ C0] RDX: 0000000000000062 RSI: 00005603de1adc50 RDI: 0000000000000003
[ 716.755064][ C0] RBP: 00005603de1adc50 R08: 0000000000000001 R09: 0000000000000000
[ 716.755072][ C0] R10: 00007f582c30b3a3 R11: 0000000000000246 R12: 0000000000000062
[ 716.755081][ C0] R13: 00007f582c018300 R14: 0000000000000004 R15: 00005603de1ada60
[ 716.755097][ C0]
[ 716.755270][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.130173][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 717.138149][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 717.148205][ T27] Call Trace:
[ 717.151503][ T27]
[ 717.154452][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 717.159146][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 717.164784][ T27] ? panic+0x860/0x860
[ 717.168868][ T27] panic+0x318/0x860
[ 717.172758][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 717.178397][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.184545][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 717.189742][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.195810][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.201960][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 717.208109][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 717.214271][ T27] watchdog+0xeb0/0xeb0
[ 717.218447][ T27] kthread+0x3f6/0x4f0
[ 717.222524][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.227550][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.232265][ T27] ret_from_fork+0x1f/0x30
[ 717.236693][ T27]
[ 717.239765][ T27] Kernel Offset: disabled
[ 717.244077][ T27] Rebooting in 86400 seconds..