Warning: Permanently added '10.128.0.46' (ED25519) to the list of known hosts.
executing program
[ 573.510278][ T30] INFO: task kworker/u8:7:2438 blocked for more than 143 seconds.
[ 573.518501][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.527780][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.536858][ T30] task:kworker/u8:7 state:D stack:20752 pid:2438 tgid:2438 ppid:2 flags:0x00004000
[ 573.547521][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.554198][ T30] Call Trace:
[ 573.557518][ T30]
[ 573.561144][ T30] __schedule+0x17e8/0x4a20
[ 573.565762][ T30] ? __pfx___schedule+0x10/0x10
[ 573.571190][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.576354][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.582520][ T30] ? kthread_data+0x52/0xd0
[ 573.587068][ T30] ? schedule+0x90/0x320
[ 573.591831][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.596990][ T30] ? schedule+0x90/0x320
[ 573.601857][ T30] schedule+0x14b/0x320
[ 573.606089][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.611664][ T30] __mutex_lock+0x6a4/0xd70
[ 573.616237][ T30] ? __mutex_lock+0x527/0xd70
[ 573.621725][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.626995][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.633209][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.639261][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.646292][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.652600][ T30] addrconf_verify_work+0x19/0x30
[ 573.657703][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.664073][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.670670][ T30] ? assign_work+0x364/0x3d0
[ 573.675326][ T30] worker_thread+0x86d/0xd70
[ 573.680522][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.685600][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.691441][ T30] kthread+0x2f0/0x390
[ 573.695590][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.710027][ T30] ? __pfx_kthread+0x10/0x10
[ 573.714683][ T30] ret_from_fork+0x4b/0x80
[ 573.719136][ T30] ? __pfx_kthread+0x10/0x10
[ 573.740297][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.745334][ T30]
[ 573.748402][ T30]
[ 573.748402][ T30] Showing all locks held in the system:
[ 573.770038][ T30] 2 locks held by kworker/1:0/25:
[ 573.775128][ T30] 1 lock held by khungtaskd/30:
[ 573.790058][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.810094][ T30] 3 locks held by kworker/u8:7/2438:
[ 573.815447][ T30] #0: ffff88802a44b148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.849997][ T30] #1: ffffc9000923fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.870266][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.879864][ T30] 2 locks held by getty/4853:
[ 573.884653][ T30] #0: ffff88802a8980a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.894945][ T30] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.905700][ T30] 1 lock held by syz-executor230/5118:
[ 573.911676][ T30]
[ 573.914037][ T30] =============================================
[ 573.914037][ T30]
[ 573.923248][ T30] NMI backtrace for cpu 0
[ 573.927623][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.937553][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.947640][ T30] Call Trace:
[ 573.950948][ T30]
[ 573.954059][ T30] dump_stack_lvl+0x241/0x360
[ 573.958777][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.964020][ T30] ? __pfx__printk+0x10/0x10
[ 573.968646][ T30] ? vprintk_emit+0x631/0x770
[ 573.973364][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.978525][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.983602][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.989184][ T30] ? _printk+0xd5/0x120
[ 573.993392][ T30] ? __pfx__printk+0x10/0x10
[ 573.998120][ T30] ? __wake_up_klogd+0xcc/0x110
[ 574.003016][ T30] ? __pfx__printk+0x10/0x10
[ 574.007648][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 574.012731][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.018844][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.024872][ T30] watchdog+0xfde/0x1020
[ 574.029243][ T30] ? watchdog+0x1ea/0x1020
[ 574.033704][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.038510][ T30] kthread+0x2f0/0x390
[ 574.042620][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.047419][ T30] ? __pfx_kthread+0x10/0x10
[ 574.052052][ T30] ret_from_fork+0x4b/0x80
[ 574.056597][ T30] ? __pfx_kthread+0x10/0x10
[ 574.061226][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.066051][ T30]
[ 574.069217][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 574.074500][ C1] NMI backtrace for cpu 1
[ 574.074512][ C1] CPU: 1 PID: 25 Comm: kworker/1:0 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.074531][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.074543][ C1] Workqueue: events_power_efficient gc_worker
[ 574.074575][ C1] RIP: 0010:kasan_check_range+0x79/0x290
[ 574.074607][ C1] Code: 4d 89 c1 49 c1 e9 03 49 be 01 00 00 00 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 <4c> 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 0f 85 c9 01 00 00 49 ff c3
[ 574.074621][ C1] RSP: 0018:ffffc900001f7868 EFLAGS: 00000002
[ 574.074636][ C1] RAX: 0000000000000001 RBX: 1ffffffff25f6ac2 RCX: ffffffff8172d78a
[ 574.074649][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92fb5610
[ 574.074660][ C1] RBP: 0000000000000001 R08: ffffffff92fb5617 R09: 1ffffffff25f6ac2
[ 574.074672][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ac2 R12: ffff8880176ba928
[ 574.074685][ C1] R13: dffffc0000000000 R14: dffffc0000000001 R15: fffffbfff25f6ac3
[ 574.074698][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 574.074713][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.074725][ C1] CR2: 00007f28225f7bd0 CR3: 00000000224aa000 CR4: 00000000003506f0
[ 574.074740][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.074751][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.074761][ C1] Call Trace:
[ 574.074770][ C1]
[ 574.074776][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.074799][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 574.074819][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.074849][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.074870][ C1] ? nmi_handle+0x14f/0x5a0
[ 574.074896][ C1] ? nmi_handle+0x2a/0x5a0
[ 574.074922][ C1] ? kasan_check_range+0x79/0x290
[ 574.074945][ C1] ? default_do_nmi+0x63/0x160
[ 574.074968][ C1] ? exc_nmi+0x123/0x1f0
[ 574.074989][ C1] ? end_repeat_nmi+0xf/0x53
[ 574.075012][ C1] ? mark_lock+0x9a/0x350
[ 574.075033][ C1] ? kasan_check_range+0x79/0x290
[ 574.075056][ C1] ? kasan_check_range+0x79/0x290
[ 574.075081][ C1] ? kasan_check_range+0x79/0x290
[ 574.075104][ C1]
[ 574.075110][ C1]
[ 574.075117][ C1] mark_lock+0x9a/0x350
[ 574.075139][ C1] lockdep_hardirqs_on_prepare+0x3a5/0x780
[ 574.075160][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.075181][ C1] ? rcu_is_watching+0x15/0xb0
[ 574.075201][ C1] ? gc_worker+0x316/0x1530
[ 574.075223][ C1] trace_hardirqs_on+0x28/0x40
[ 574.075284][ C1] seqcount_lockdep_reader_access+0x157/0x220
[ 574.075306][ C1] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[ 574.075333][ C1] gc_worker+0x316/0x1530
[ 574.075356][ C1] ? gc_worker+0x26b/0x1530
[ 574.075380][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.075400][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.075420][ C1] ? __pfx_gc_worker+0x10/0x10
[ 574.075445][ C1] ? process_scheduled_works+0x945/0x1830
[ 574.075463][ C1] process_scheduled_works+0xa2c/0x1830
[ 574.075496][ C1] ? __pfx_process_scheduled_works+0x10/0x10
[ 574.075518][ C1] ? assign_work+0x364/0x3d0
[ 574.075537][ C1] worker_thread+0x86d/0xd70
[ 574.075563][ C1] ? __kthread_parkme+0x169/0x1d0
[ 574.075583][ C1] ? __pfx_worker_thread+0x10/0x10
[ 574.075602][ C1] kthread+0x2f0/0x390
[ 574.075623][ C1] ? __pfx_worker_thread+0x10/0x10
[ 574.075640][ C1] ? __pfx_kthread+0x10/0x10
[ 574.075662][ C1] ret_from_fork+0x4b/0x80
[ 574.075685][ C1] ? __pfx_kthread+0x10/0x10
[ 574.075706][ C1] ret_from_fork_asm+0x1a/0x30
[ 574.075739][ C1]
[ 574.075747][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.246 msecs
[ 574.448939][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.455827][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.465919][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.476028][ T30] Call Trace:
[ 574.479346][ T30]
[ 574.482318][ T30] dump_stack_lvl+0x241/0x360
[ 574.487043][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.492274][ T30] ? __pfx__printk+0x10/0x10
[ 574.496995][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.503060][ T30] ? vscnprintf+0x5d/0x90
[ 574.507503][ T30] panic+0x349/0x860
[ 574.511428][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.517606][ T30] ? __pfx_panic+0x10/0x10
[ 574.522041][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.527522][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.533082][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.538492][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.544682][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.550874][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.557061][ T30] watchdog+0x101d/0x1020
[ 574.561415][ T30] ? watchdog+0x1ea/0x1020
[ 574.565877][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.570769][ T30] kthread+0x2f0/0x390
[ 574.574888][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.579623][ T30] ? __pfx_kthread+0x10/0x10
[ 574.584250][ T30] ret_from_fork+0x4b/0x80
[ 574.588722][ T30] ? __pfx_kthread+0x10/0x10
[ 574.593350][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.598178][ T30]
[ 574.601633][ T30] Kernel Offset: disabled
[ 574.605976][ T30] Rebooting in 86400 seconds..