Warning: Permanently added '10.128.10.1' (ED25519) to the list of known hosts.
executing program
[ 573.527060][ T30] INFO: task kworker/u8:6:1094 blocked for more than 143 seconds.
[ 573.535362][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.543717][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.553966][ T30] task:kworker/u8:6 state:D stack:21384 pid:1094 tgid:1094 ppid:2 flags:0x00004000
[ 573.565212][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.571960][ T30] Call Trace:
[ 573.575362][ T30] <TASK>
[ 573.578880][ T30] __schedule+0x17e8/0x4a20
[ 573.584112][ T30] ? __pfx___schedule+0x10/0x10
[ 573.590965][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.597248][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.603070][ T30] ? kthread_data+0x52/0xd0
[ 573.610371][ T30] ? schedule+0x90/0x320
[ 573.614759][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.620918][ T30] ? schedule+0x90/0x320
[ 573.625681][ T30] schedule+0x14b/0x320
[ 573.630800][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.636494][ T30] __mutex_lock+0x6a4/0xd70
[ 573.641134][ T30] ? __mutex_lock+0x527/0xd70
[ 573.645854][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.651773][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.657823][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.664229][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.671799][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.678420][ T30] addrconf_verify_work+0x19/0x30
[ 573.683592][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.689740][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.696246][ T30] ? assign_work+0x364/0x3d0
[ 573.716865][ T30] worker_thread+0x86d/0xd70
[ 573.721655][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 573.737246][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.742373][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.756792][ T30] kthread+0x2f0/0x390
[ 573.761112][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.766347][ T30] ? __pfx_kthread+0x10/0x10
[ 573.787715][ T30] ret_from_fork+0x4b/0x80
[ 573.792416][ T30] ? __pfx_kthread+0x10/0x10
[ 573.806837][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.811973][ T30] </TASK>
[ 573.815076][ T30]
[ 573.815076][ T30] Showing all locks held in the system:
[ 573.846795][ T30] 1 lock held by khungtaskd/30:
[ 573.851720][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.876823][ T30] 4 locks held by kworker/1:1/45:
[ 573.881964][ T30] 3 locks held by kworker/u8:6/1094:
[ 573.897130][ T30] #0: ffff88802a220948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.916819][ T30] #1: ffffc90004507d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.946852][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.956487][ T30] 2 locks held by getty/4848:
[ 573.976793][ T30] #0: ffff88802f8c80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.996828][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 574.007474][ T30] 1 lock held by syz-executor858/5124:
[ 574.012969][ T30]
[ 574.015420][ T30] =============================================
[ 574.015420][ T30]
[ 574.024991][ T30] NMI backtrace for cpu 0
[ 574.029710][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.039976][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.050162][ T30] Call Trace:
[ 574.053555][ T30] <TASK>
[ 574.056720][ T30] dump_stack_lvl+0x241/0x360
[ 574.061437][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.066751][ T30] ? __pfx__printk+0x10/0x10
[ 574.071558][ T30] ? vprintk_emit+0x631/0x770
[ 574.076586][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 574.082093][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 574.087337][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.093796][ T30] ? _printk+0xd5/0x120
[ 574.098370][ T30] ? __pfx__printk+0x10/0x10
[ 574.103461][ T30] ? __wake_up_klogd+0xcc/0x110
[ 574.108694][ T30] ? __pfx__printk+0x10/0x10
[ 574.113793][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 574.119043][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.126081][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.132151][ T30] watchdog+0xfde/0x1020
[ 574.136451][ T30] ? watchdog+0x1ea/0x1020
[ 574.140993][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.146403][ T30] kthread+0x2f0/0x390
[ 574.150608][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.155579][ T30] ? __pfx_kthread+0x10/0x10
[ 574.160262][ T30] ret_from_fork+0x4b/0x80
[ 574.164811][ T30] ? __pfx_kthread+0x10/0x10
[ 574.169672][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.174779][ T30] </TASK>
[ 574.178042][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 574.184598][ C1] NMI backtrace for cpu 1
[ 574.184612][ C1] CPU: 1 PID: 5124 Comm: syz-executor858 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.184631][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.184651][ C1] RIP: 0010:validate_chain+0xc/0x5900
[ 574.184683][ C1] Code: 89 d9 e9 54 ff ff ff e8 f2 bf 14 0a 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 e4 e0 48 81 ec c0 02 00 00 49 89 ce 89 54 24
[ 574.184697][ C1] RSP: 0018:ffffc9000369e490 EFLAGS: 00000086
[ 574.184714][ C1] RAX: 1ffffffff25939d1 RBX: ffffffff92c9ce88 RCX: beb0d827c32aa34a
[ 574.184728][ C1] RDX: 0000000000000000 RSI: ffff8880279a2908 RDI: ffff8880279a1e00
[ 574.184740][ C1] RBP: ffffc9000369e4a0 R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 574.184753][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: ffff8880279a1e00
[ 574.184767][ C1] R13: ffff8880279a1e00 R14: 0000000000000000 R15: ffff8880279a1e00
[ 574.184779][ C1] FS: 00005555689f8380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 574.184795][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.184807][ C1] CR2: 00007efcaaca6580 CR3: 000000002283e000 CR4: 00000000003506f0
[ 574.184822][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.184832][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.184843][ C1] Call Trace:
[ 574.184852][ C1] <NMI>
[ 574.184859][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.184882][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 574.184903][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.184933][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.184954][ C1] ? nmi_handle+0x14f/0x5a0
[ 574.184980][ C1] ? nmi_handle+0x2a/0x5a0
[ 574.185007][ C1] ? validate_chain+0xc/0x5900
[ 574.185028][ C1] ? default_do_nmi+0x63/0x160
[ 574.185051][ C1] ? exc_nmi+0x123/0x1f0
[ 574.185071][ C1] ? end_repeat_nmi+0xf/0x53
[ 574.185097][ C1] ? validate_chain+0xc/0x5900
[ 574.185119][ C1] ? validate_chain+0xc/0x5900
[ 574.185142][ C1] ? validate_chain+0xc/0x5900
[ 574.185164][ C1] </NMI>
[ 574.185170][ C1] <TASK>
[ 574.185176][ C1] __lock_acquire+0x1346/0x1fd0
[ 574.185203][ C1] lock_acquire+0x1ed/0x550
[ 574.185221][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.185245][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 574.185262][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.185282][ C1] ? __pfx_lock_release+0x10/0x10
[ 574.185301][ C1] ? radix_tree_lookup+0x238/0x290
[ 574.185324][ C1] ? __sanitizer_cov_trace_pc+0x5d/0x70
[ 574.185345][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.185364][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 574.185384][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.185406][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.185427][ C1] ? __nla_parse+0x40/0x60
[ 574.185452][ C1] tcf_police_init+0x29b/0x17c0
[ 574.185474][ C1] ? __sock_sendmsg+0x221/0x270
[ 574.185496][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 574.185521][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 574.185555][ C1] ? nla_memcpy+0x5d/0xc0
[ 574.185578][ C1] ? __asan_memcpy+0x40/0x70
[ 574.185598][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 574.185620][ C1] tcf_action_init_1+0x5d7/0x890
[ 574.185652][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.185685][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.185707][ C1] tcf_action_init+0x2e4/0x940
[ 574.185735][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 574.185783][ C1] ? apparmor_capable+0x138/0x1b0
[ 574.185813][ C1] tc_ctl_action+0x47d/0xcf0
[ 574.185835][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 574.185859][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.185895][ C1] ? trace_contention_end+0x3c/0x120
[ 574.185919][ C1] ? __mutex_lock+0x2ef/0xd70
[ 574.185948][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 574.185979][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.186000][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.186026][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.186050][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.186073][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 574.186095][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.186117][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.186140][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 574.186171][ C1] ? mark_lock+0x9a/0x350
[ 574.186190][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.186213][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 574.186238][ C1] ? mark_lock+0x9a/0x350
[ 574.186260][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 574.186287][ C1] netlink_rcv_skb+0x1e3/0x430
[ 574.186312][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.186336][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.186371][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.186395][ C1] netlink_unicast+0x7ea/0x980
[ 574.186442][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 574.186462][ C1] ? __virt_addr_valid+0x183/0x520
[ 574.186488][ C1] ? __check_object_size+0x49c/0x900
[ 574.186504][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.186533][ C1] netlink_sendmsg+0x8db/0xcb0
[ 574.186563][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.186589][ C1] ? __import_iovec+0x536/0x820
[ 574.186614][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 574.186634][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.186656][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 574.186683][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.186707][ C1] __sock_sendmsg+0x221/0x270
[ 574.186732][ C1] ____sys_sendmsg+0x525/0x7d0
[ 574.186761][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.186790][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 574.186810][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.186844][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.186867][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.186887][ C1] ? exc_page_fault+0x590/0x8c0
[ 574.186914][ C1] ? do_syscall_64+0xb6/0x230
[ 574.186932][ C1] do_syscall_64+0xf3/0x230
[ 574.186951][ C1] ? clear_bhb_loop+0x35/0x90
[ 574.186971][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.186991][ C1] RIP: 0033:0x7f49c2817df9
[ 574.187013][ C1] 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
[ 574.187027][ C1] RSP: 002b:00007ffd9e5adb78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.187044][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f49c2817df9
[ 574.187057][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.187067][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.187078][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.187088][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.187106][ C1] </TASK>
[ 574.187114][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.515 msecs
[ 574.867602][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.874620][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.884832][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.895231][ T30] Call Trace:
[ 574.898548][ T30] <TASK>
[ 574.901588][ T30] dump_stack_lvl+0x241/0x360
[ 574.906330][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.911594][ T30] ? __pfx__printk+0x10/0x10
[ 574.916377][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.922405][ T30] ? vscnprintf+0x5d/0x90
[ 574.926976][ T30] panic+0x349/0x860
[ 574.931563][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.937772][ T30] ? __pfx_panic+0x10/0x10
[ 574.942222][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.947989][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.953564][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.958983][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.965255][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.972028][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.979697][ T30] watchdog+0x101d/0x1020
[ 574.984554][ T30] ? watchdog+0x1ea/0x1020
[ 574.989199][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.994094][ T30] kthread+0x2f0/0x390
[ 574.998475][ T30] ? __pfx_watchdog+0x10/0x10
[ 575.003263][ T30] ? __pfx_kthread+0x10/0x10
[ 575.008404][ T30] ret_from_fork+0x4b/0x80
[ 575.013283][ T30] ? __pfx_kthread+0x10/0x10
[ 575.018175][ T30] ret_from_fork_asm+0x1a/0x30
[ 575.023171][ T30] </TASK>
[ 575.027536][ T30] Kernel Offset: disabled
[ 575.032011][ T30] Rebooting in 86400 seconds..