Warning: Permanently added '10.128.1.29' (ED25519) to the list of known hosts.
executing program
[ 573.447035][ T30] INFO: task kworker/u8:3:51 blocked for more than 143 seconds.
[ 573.455017][ T30] Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.463455][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.472386][ T30] task:kworker/u8:3 state:D stack:21816 pid:51 tgid:51 ppid:2 flags:0x00004000
[ 573.485181][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.491600][ T30] Call Trace:
[ 573.494907][ T30]
[ 573.498216][ T30] __schedule+0x17e8/0x4a20
[ 573.502797][ T30] ? __pfx___schedule+0x10/0x10
[ 573.507960][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.513033][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.518903][ T30] ? kthread_data+0x52/0xd0
[ 573.523447][ T30] ? schedule+0x90/0x320
[ 573.528002][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.533160][ T30] ? schedule+0x90/0x320
[ 573.537733][ T30] schedule+0x14b/0x320
[ 573.541940][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.547722][ T30] __mutex_lock+0x6a4/0xd70
[ 573.552705][ T30] ? __mutex_lock+0x527/0xd70
[ 573.557691][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.562941][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.568327][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.574362][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.581120][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.587121][ T30] addrconf_verify_work+0x19/0x30
[ 573.592199][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.598386][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.604424][ T30] ? assign_work+0x364/0x3d0
[ 573.609677][ T30] worker_thread+0x86d/0xd70
[ 573.614334][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.619682][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.624843][ T30] kthread+0x2f0/0x390
[ 573.629278][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.634437][ T30] ? __pfx_kthread+0x10/0x10
[ 573.639364][ T30] ret_from_fork+0x4b/0x80
[ 573.643825][ T30] ? __pfx_kthread+0x10/0x10
[ 573.648851][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.653686][ T30]
[ 573.657164][ T30]
[ 573.657164][ T30] Showing all locks held in the system:
[ 573.664918][ T30] 1 lock held by khungtaskd/30:
[ 573.670140][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.680292][ T30] 3 locks held by kworker/u8:3/51:
[ 573.685431][ T30] #0: ffff88802a40c148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.697388][ T30] #1: ffffc90000bb7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.711724][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.722054][ T30] 3 locks held by kworker/1:2/785:
[ 573.727484][ T30] 2 locks held by syslogd/4527:
[ 573.732364][ T30] #0: ffff8880b953e7d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 573.742427][ T30] #1: ffff8880b9528948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770
[ 573.754302][ T30] 2 locks held by getty/4852:
[ 573.759246][ T30] #0: ffff88802ab020a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.769312][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.779705][ T30] 2 locks held by syz-executor264/5121:
[ 573.785283][ T30]
[ 573.796839][ T30] =============================================
[ 573.796839][ T30]
[ 573.805302][ T30] NMI backtrace for cpu 0
[ 573.809660][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.819573][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.829648][ T30] Call Trace:
[ 573.832948][ T30]
[ 573.835903][ T30] dump_stack_lvl+0x241/0x360
[ 573.840641][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.845886][ T30] ? __pfx__printk+0x10/0x10
[ 573.850512][ T30] ? vprintk_emit+0x631/0x770
[ 573.855235][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.860308][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.865315][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.870915][ T30] ? _printk+0xd5/0x120
[ 573.875135][ T30] ? __pfx__printk+0x10/0x10
[ 573.879784][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.884687][ T30] ? __pfx__printk+0x10/0x10
[ 573.889310][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.894422][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.900447][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 573.906559][ T30] watchdog+0xfde/0x1020
[ 573.910852][ T30] ? watchdog+0x1ea/0x1020
[ 573.915330][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.920046][ T30] kthread+0x2f0/0x390
[ 573.924155][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.928863][ T30] ? __pfx_kthread+0x10/0x10
[ 573.933498][ T30] ret_from_fork+0x4b/0x80
[ 573.937949][ T30] ? __pfx_kthread+0x10/0x10
[ 573.942572][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.947389][ T30]
[ 573.950565][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 573.955822][ C1] NMI backtrace for cpu 1
[ 573.955835][ C1] CPU: 1 PID: 785 Comm: kworker/1:2 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.955853][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.955864][ C1] Workqueue: events_power_efficient gc_worker
[ 573.955892][ C1] RIP: 0010:__lock_acquire+0x7b3/0x1fd0
[ 573.955917][ C1] Code: 48 c7 c7 40 0c 20 8e 48 89 de e8 58 b5 76 03 48 8b 74 24 08 48 ba 00 00 00 00 00 fc ff df e9 62 ff ff ff 65 8b 05 59 14 90 7e 02 85 c0 75 21 48 8b 44 24 60 0f b6 04 10 84 c0 0f 85 2d 14 00
[ 573.955931][ C1] RSP: 0018:ffffc9000370f810 EFLAGS: 00000096
[ 573.955946][ C1] RAX: 0000000000000000 RBX: 000000000006022f RCX: 0000000000000001
[ 573.955957][ C1] RDX: dffffc0000000000 RSI: ffff88801f90e4e0 RDI: ffffffff92fab580
[ 573.955970][ C1] RBP: 00000000ffffffff R08: ffffffff92fab587 R09: 1ffffffff25f56b0
[ 573.955983][ C1] R10: dffffc0000000000 R11: fffffbfff25f56b1 R12: 0000000000000000
[ 573.955994][ C1] R13: ffff88801f90da00 R14: 1ffff11003f21caa R15: ffff88801f90e550
[ 573.956008][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 573.956022][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.956034][ C1] CR2: 000055c7018ec610 CR3: 000000002d642000 CR4: 00000000003506f0
[ 573.956049][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.956059][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.956070][ C1] Call Trace:
[ 573.956079][ C1]
[ 573.956086][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 573.956112][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 573.956137][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.956169][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 573.956190][ C1] ? nmi_handle+0x14f/0x5a0
[ 573.956216][ C1] ? nmi_handle+0x2a/0x5a0
[ 573.956242][ C1] ? __lock_acquire+0x7b3/0x1fd0
[ 573.956260][ C1] ? default_do_nmi+0x63/0x160
[ 573.956285][ C1] ? exc_nmi+0x123/0x1f0
[ 573.956308][ C1] ? end_repeat_nmi+0xf/0x53
[ 573.956336][ C1] ? __lock_acquire+0x7b3/0x1fd0
[ 573.956354][ C1] ? __lock_acquire+0x7b3/0x1fd0
[ 573.956373][ C1] ? __lock_acquire+0x7b3/0x1fd0
[ 573.956391][ C1]
[ 573.956397][ C1]
[ 573.956411][ C1] lock_acquire+0x1ed/0x550
[ 573.956428][ C1] ? gc_worker+0x26b/0x1530
[ 573.956446][ C1] ? gc_worker+0x26b/0x1530
[ 573.956464][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 573.956482][ C1] ? gc_worker+0x26b/0x1530
[ 573.956499][ C1] ? __pfx___might_resched+0x10/0x10
[ 573.956520][ C1] ? seqcount_lockdep_reader_access+0x1d7/0x220
[ 573.956553][ C1] gc_worker+0x28c/0x1530
[ 573.956570][ C1] ? gc_worker+0x26b/0x1530
[ 573.956586][ C1] ? gc_worker+0x26b/0x1530
[ 573.956606][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.956626][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.956645][ C1] ? __pfx_gc_worker+0x10/0x10
[ 573.956666][ C1] ? process_scheduled_works+0x945/0x1830
[ 573.956683][ C1] process_scheduled_works+0xa2c/0x1830
[ 573.956714][ C1] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.956736][ C1] ? assign_work+0x364/0x3d0
[ 573.956755][ C1] worker_thread+0x86d/0xd70
[ 573.956784][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 573.956814][ C1] ? __kthread_parkme+0x169/0x1d0
[ 573.956834][ C1] ? __pfx_worker_thread+0x10/0x10
[ 573.956853][ C1] kthread+0x2f0/0x390
[ 573.956874][ C1] ? __pfx_worker_thread+0x10/0x10
[ 573.956892][ C1] ? __pfx_kthread+0x10/0x10
[ 573.956913][ C1] ret_from_fork+0x4b/0x80
[ 573.956937][ C1] ? __pfx_kthread+0x10/0x10
[ 573.956958][ C1] ret_from_fork_asm+0x1a/0x30
[ 573.956991][ C1]
[ 573.956998][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.176 msecs
[ 574.406819][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.413734][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 574.423649][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.433727][ T30] Call Trace:
[ 574.437029][ T30]
[ 574.439977][ T30] dump_stack_lvl+0x241/0x360
[ 574.444693][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.449943][ T30] ? __pfx__printk+0x10/0x10
[ 574.454557][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.460572][ T30] ? vscnprintf+0x5d/0x90
[ 574.464949][ T30] panic+0x349/0x860
[ 574.468911][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.475119][ T30] ? __pfx_panic+0x10/0x10
[ 574.479568][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.484981][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.490555][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.495956][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.502141][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.508334][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.514510][ T30] watchdog+0x101d/0x1020
[ 574.518971][ T30] ? watchdog+0x1ea/0x1020
[ 574.523411][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.528110][ T30] kthread+0x2f0/0x390
[ 574.532216][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.536927][ T30] ? __pfx_kthread+0x10/0x10
[ 574.541563][ T30] ret_from_fork+0x4b/0x80
[ 574.546007][ T30] ? __pfx_kthread+0x10/0x10
[ 574.550613][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.555412][ T30]
[ 574.558702][ T30] Kernel Offset: disabled
[ 574.563055][ T30] Rebooting in 86400 seconds..