Warning: Permanently added '10.128.0.177' (ED25519) to the list of known hosts.
executing program
[ 573.558224][ T30] INFO: task kworker/u8:3:51 blocked for more than 143 seconds.
[ 573.566109][ T30] Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 573.574690][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.583834][ T30] task:kworker/u8:3 state:D stack:19280 pid:51 tgid:51 ppid:2 flags:0x00004000
[ 573.594406][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.600992][ T30] Call Trace:
[ 573.604282][ T30]
[ 573.607246][ T30] __schedule+0x1796/0x49d0
[ 573.612293][ T30] ? __pfx___schedule+0x10/0x10
[ 573.617188][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.623002][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.628712][ T30] ? kthread_data+0x52/0xd0
[ 573.633274][ T30] ? schedule+0x90/0x320
[ 573.637626][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.643084][ T30] ? schedule+0x90/0x320
[ 573.647362][ T30] schedule+0x14b/0x320
[ 573.651787][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.657270][ T30] __mutex_lock+0x6a4/0xd70
[ 573.662024][ T30] ? __mutex_lock+0x527/0xd70
[ 573.666731][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.672307][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.677373][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.684170][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.690606][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.696340][ T30] addrconf_verify_work+0x19/0x30
[ 573.701751][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.707381][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.713785][ T30] ? assign_work+0x364/0x3d0
[ 573.718601][ T30] worker_thread+0x86d/0xd70
[ 573.723231][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.728783][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.733917][ T30] kthread+0x2f0/0x390
[ 573.738002][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.743422][ T30] ? __pfx_kthread+0x10/0x10
[ 573.748036][ T30] ret_from_fork+0x4b/0x80
[ 573.752776][ T30] ? __pfx_kthread+0x10/0x10
[ 573.757384][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.762463][ T30]
[ 573.765608][ T30]
[ 573.765608][ T30] Showing all locks held in the system:
[ 573.773629][ T30] 1 lock held by khungtaskd/30:
[ 573.778714][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.789146][ T30] 3 locks held by kworker/u8:3/51:
[ 573.794272][ T30] #0: ffff88802a2b8948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.806568][ T30] #1: ffffc90000bb7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.820587][ T30] #2: ffffffff8f5d5508 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.830439][ T30] 2 locks held by getty/4839:
[ 573.835127][ T30] #0: ffff8880302d00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.845468][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.855901][ T30] 1 lock held by syz-executor323/5095:
[ 573.861693][ T30]
[ 573.864031][ T30] =============================================
[ 573.864031][ T30]
[ 573.873062][ T30] NMI backtrace for cpu 1
[ 573.877424][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 573.887320][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.897386][ T30] Call Trace:
[ 573.900674][ T30]
[ 573.903620][ T30] dump_stack_lvl+0x241/0x360
[ 573.908384][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.913600][ T30] ? __pfx__printk+0x10/0x10
[ 573.918229][ T30] ? vprintk_emit+0x631/0x770
[ 573.922920][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.927961][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.932952][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.938421][ T30] ? _printk+0xd5/0x120
[ 573.942588][ T30] ? __pfx__printk+0x10/0x10
[ 573.947274][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.952139][ T30] ? __pfx__printk+0x10/0x10
[ 573.956743][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.961791][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.967786][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 573.973788][ T30] watchdog+0xfde/0x1020
[ 573.978044][ T30] ? watchdog+0x1ea/0x1020
[ 573.982472][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.987160][ T30] kthread+0x2f0/0x390
[ 573.991244][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.995933][ T30] ? __pfx_kthread+0x10/0x10
[ 574.000541][ T30] ret_from_fork+0x4b/0x80
[ 574.005069][ T30] ? __pfx_kthread+0x10/0x10
[ 574.009672][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.014477][ T30]
[ 574.017614][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 574.022876][ C0] NMI backtrace for cpu 0
[ 574.022888][ C0] CPU: 0 PID: 5095 Comm: syz-executor323 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 574.022905][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.022918][ C0] RIP: 0010:__lock_acquire+0x932/0x1fd0
[ 574.022941][ C0] Code: 31 db 48 8d ab c4 00 00 00 48 89 e8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 91 00 00 00 0f b6 6d 00 40 84 ed 74 32 0f b6 44 24 28 <40> 0f b6 cd 40 38 e8 0f 42 c8 89 4c 24 28 48 81 c3 c6 00 00 00 48
[ 574.022953][ C0] RSP: 0018:ffffc900033a64b0 EFLAGS: 00000006
[ 574.022967][ C0] RAX: 0000000000000004 RBX: ffffffff92c5ffe8 RCX: ffffffff8172732e
[ 574.022978][ C0] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff92f74588
[ 574.022988][ C0] RBP: 0000000000000003 R08: ffffffff92f7458f R09: 1ffffffff25ee8b1
[ 574.022999][ C0] R10: dffffc0000000000 R11: fffffbfff25ee8b2 R12: 0000000000000000
[ 574.023009][ C0] R13: ffff88801870c700 R14: 0000000000000000 R15: ffff88801870c700
[ 574.023020][ C0] FS: 000055557b346380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 574.023033][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.023043][ C0] CR2: 000055fe075727f0 CR3: 0000000023252000 CR4: 00000000003506f0
[ 574.023057][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.023065][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.023075][ C0] Call Trace:
[ 574.023083][ C0]
[ 574.023089][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.023110][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 574.023126][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.023152][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.023170][ C0] ? nmi_handle+0x14f/0x5a0
[ 574.023190][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.023209][ C0] ? __lock_acquire+0x932/0x1fd0
[ 574.023224][ C0] ? default_do_nmi+0x63/0x160
[ 574.023244][ C0] ? exc_nmi+0x123/0x1f0
[ 574.023263][ C0] ? end_repeat_nmi+0xf/0x53
[ 574.023358][ C0] ? __lock_acquire+0x86e/0x1fd0
[ 574.023374][ C0] ? __lock_acquire+0x932/0x1fd0
[ 574.023389][ C0] ? __lock_acquire+0x932/0x1fd0
[ 574.023405][ C0] ? __lock_acquire+0x932/0x1fd0
[ 574.023419][ C0]
[ 574.023424][ C0]
[ 574.023436][ C0] lock_acquire+0x1ed/0x550
[ 574.023451][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.023494][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 574.023509][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.023523][ C0] ? __pfx_lock_release+0x10/0x10
[ 574.023541][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.023556][ C0] ? tcf_idr_check_alloc+0x1fa/0x900
[ 574.023572][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.023585][ C0] tcf_idr_check_alloc+0x12d/0x900
[ 574.023599][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.023615][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.023630][ C0] ? __nla_parse+0x40/0x60
[ 574.023651][ C0] tcf_police_init+0x29b/0x17c0
[ 574.023681][ C0] ? __sock_sendmsg+0x221/0x270
[ 574.023735][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 574.023756][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.023781][ C0] ? nla_memcpy+0x5d/0xc0
[ 574.023804][ C0] ? __asan_memcpy+0x40/0x70
[ 574.023824][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.023839][ C0] tcf_action_init_1+0x5d7/0x890
[ 574.023858][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.023882][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.023898][ C0] tcf_action_init+0x2e4/0x940
[ 574.023917][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 574.023953][ C0] ? cap_capable+0x1b4/0x250
[ 574.023972][ C0] ? safesetid_security_capable+0xb2/0x1d0
[ 574.023993][ C0] tc_ctl_action+0x47d/0xcf0
[ 574.024013][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.024040][ C0] ? trace_contention_end+0x3c/0x120
[ 574.024059][ C0] ? __mutex_lock+0x2ef/0xd70
[ 574.024083][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 574.024108][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.024123][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.024160][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.024179][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.024195][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 574.024214][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.024232][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.024249][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 574.024273][ C0] ? mark_lock+0x9a/0x350
[ 574.024288][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.024306][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.024327][ C0] ? mark_lock+0x9a/0x350
[ 574.024344][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.024366][ C0] netlink_rcv_skb+0x1e3/0x430
[ 574.024399][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.024418][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.024443][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.024461][ C0] netlink_unicast+0x7ea/0x980
[ 574.024480][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 574.024493][ C0] ? __virt_addr_valid+0x183/0x520
[ 574.024513][ C0] ? __check_object_size+0x49c/0x900
[ 574.024530][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.024551][ C0] netlink_sendmsg+0x8db/0xcb0
[ 574.024573][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.024590][ C0] ? __import_iovec+0x536/0x820
[ 574.024611][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.024625][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 574.024642][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.024658][ C0] __sock_sendmsg+0x221/0x270
[ 574.024678][ C0] ____sys_sendmsg+0x525/0x7d0
[ 574.024697][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.024719][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 574.024735][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.024762][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.024781][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.024797][ C0] ? exc_page_fault+0x590/0x8c0
[ 574.024832][ C0] ? do_syscall_64+0xb6/0x230
[ 574.024850][ C0] do_syscall_64+0xf3/0x230
[ 574.024867][ C0] ? clear_bhb_loop+0x35/0x90
[ 574.024885][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.024902][ C0] RIP: 0033:0x7fc18270edf9
[ 574.024920][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 574.024931][ C0] RSP: 002b:00007ffe707e4eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.024947][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc18270edf9
[ 574.024958][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.024967][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.024975][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.024984][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.024999][ C0]
[ 574.025007][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.130 msecs
[ 574.687129][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.693987][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 574.703896][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.713967][ T30] Call Trace:
[ 574.717256][ T30]
[ 574.720195][ T30] dump_stack_lvl+0x241/0x360
[ 574.724889][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.730100][ T30] ? __pfx__printk+0x10/0x10
[ 574.734699][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.740704][ T30] ? vscnprintf+0x5d/0x90
[ 574.745116][ T30] panic+0x349/0x860
[ 574.749020][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.755212][ T30] ? __pfx_panic+0x10/0x10
[ 574.759648][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.765041][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.770602][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.775982][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.782144][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.788328][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.794496][ T30] watchdog+0x101d/0x1020
[ 574.798835][ T30] ? watchdog+0x1ea/0x1020
[ 574.803261][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.807943][ T30] kthread+0x2f0/0x390
[ 574.812024][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.816705][ T30] ? __pfx_kthread+0x10/0x10
[ 574.821304][ T30] ret_from_fork+0x4b/0x80
[ 574.825730][ T30] ? __pfx_kthread+0x10/0x10
[ 574.830329][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.835116][ T30]
[ 574.838408][ T30] Kernel Offset: disabled
[ 574.842733][ T30] Rebooting in 86400 seconds..