Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts.
executing program
[ 716.989780][ T30] INFO: task kworker/u8:10:2458 blocked for more than 143 seconds.
[ 716.998066][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.007079][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 717.016171][ T30] task:kworker/u8:10 state:D stack:21384 pid:2458 tgid:2458 ppid:2 flags:0x00004000
[ 717.027062][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 717.033780][ T30] Call Trace:
[ 717.037093][ T30]
[ 717.040579][ T30] __schedule+0x17e8/0x4a20
[ 717.045158][ T30] ? __pfx___schedule+0x10/0x10
[ 717.050806][ T30] ? __pfx_lock_release+0x10/0x10
[ 717.055894][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 717.062167][ T30] ? kthread_data+0x52/0xd0
[ 717.066926][ T30] ? schedule+0x90/0x320
[ 717.071772][ T30] ? wq_worker_sleeping+0x66/0x240
[ 717.076937][ T30] ? schedule+0x90/0x320
[ 717.081852][ T30] schedule+0x14b/0x320
[ 717.086075][ T30] schedule_preempt_disabled+0x13/0x30
[ 717.092170][ T30] __mutex_lock+0x6a4/0xd70
[ 717.096753][ T30] ? __mutex_lock+0x527/0xd70
[ 717.101558][ T30] ? addrconf_verify_work+0x19/0x30
[ 717.106791][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 717.112923][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.118985][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.126967][ T30] ? process_scheduled_works+0x945/0x1830
[ 717.133195][ T30] addrconf_verify_work+0x19/0x30
[ 717.138299][ T30] process_scheduled_works+0xa2c/0x1830
[ 717.144730][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 717.151207][ T30] ? assign_work+0x364/0x3d0
[ 717.155870][ T30] worker_thread+0x86d/0xd70
[ 717.161077][ T30] ? __kthread_parkme+0x169/0x1d0
[ 717.166156][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.171801][ T30] kthread+0x2f0/0x390
[ 717.175938][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.181757][ T30] ? __pfx_kthread+0x10/0x10
[ 717.186449][ T30] ret_from_fork+0x4b/0x80
[ 717.191410][ T30] ? __pfx_kthread+0x10/0x10
[ 717.196050][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.201628][ T30]
[ 717.204745][ T30]
[ 717.204745][ T30] Showing all locks held in the system:
[ 717.213295][ T30] 1 lock held by khungtaskd/30:
[ 717.218207][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.228956][ T30] 3 locks held by kworker/u8:10/2458:
[ 717.234722][ T30] #0: ffff888029cbd148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.247293][ T30] #1: ffffc90008aa7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.261404][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.271311][ T30] 2 locks held by getty/4850:
[ 717.276386][ T30] #0: ffff88802a7070a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.286920][ T30] #1: ffffc900037cc2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.297442][ T30] 1 lock held by syz-executor158/5123:
[ 717.303363][ T30]
[ 717.305722][ T30] =============================================
[ 717.305722][ T30]
[ 717.315041][ T30] NMI backtrace for cpu 0
[ 717.319421][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.329349][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.339613][ T30] Call Trace:
[ 717.342925][ T30]
[ 717.345881][ T30] dump_stack_lvl+0x241/0x360
[ 717.350602][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.355833][ T30] ? __pfx__printk+0x10/0x10
[ 717.360458][ T30] ? vprintk_emit+0x631/0x770
[ 717.365183][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.370256][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.375285][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.380776][ T30] ? _printk+0xd5/0x120
[ 717.384970][ T30] ? __pfx__printk+0x10/0x10
[ 717.389598][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.394492][ T30] ? __pfx__printk+0x10/0x10
[ 717.399121][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.404185][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.410207][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.416400][ T30] watchdog+0xfde/0x1020
[ 717.420677][ T30] ? watchdog+0x1ea/0x1020
[ 717.425129][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.429837][ T30] kthread+0x2f0/0x390
[ 717.433971][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.438689][ T30] ? __pfx_kthread+0x10/0x10
[ 717.443324][ T30] ret_from_fork+0x4b/0x80
[ 717.447779][ T30] ? __pfx_kthread+0x10/0x10
[ 717.452404][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.457221][ T30]
[ 717.460452][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 717.465707][ C1] NMI backtrace for cpu 1
[ 717.465720][ C1] CPU: 1 PID: 5123 Comm: syz-executor158 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.465739][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.465754][ C1] RIP: 0010:__lock_acquire+0x126d/0x1fd0
[ 717.465782][ C1] Code: 10 8b 18 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 55 fb 92 be 08 00 00 00 e8 eb 7f 89 00 48 0f a3 1d e3 d7 88 11 <73> 1d 48 69 c3 c8 00 00 00 48 8d 98 80 b4 c9 92 48 ba 00 00 00 00
[ 717.465797][ C1] RSP: 0018:ffffc9000428e4b0 EFLAGS: 00000057
[ 717.465813][ C1] RAX: 0000000000000001 RBX: 0000000000000021 RCX: ffffffff81727d95
[ 717.465825][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92fb5580
[ 717.465836][ C1] RBP: beb0d827c32aa34a R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 717.465849][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: ffff888019ff9e00
[ 717.465862][ C1] R13: ffff888019ff9e00 R14: 0000000000000000 R15: ffff888019ff9e00
[ 717.465874][ C1] FS: 0000555556b07380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 717.465890][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.465902][ C1] CR2: 00007f6ac3671580 CR3: 0000000022c66000 CR4: 00000000003506f0
[ 717.465917][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.465927][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.465938][ C1] Call Trace:
[ 717.465946][ C1]
[ 717.465954][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.465976][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.465996][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.466026][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.466047][ C1] ? nmi_handle+0x14f/0x5a0
[ 717.466073][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.466100][ C1] ? __lock_acquire+0x126d/0x1fd0
[ 717.466118][ C1] ? default_do_nmi+0x63/0x160
[ 717.466141][ C1] ? exc_nmi+0x123/0x1f0
[ 717.466161][ C1] ? end_repeat_nmi+0xf/0x53
[ 717.466185][ C1] ? __lock_acquire+0x1265/0x1fd0
[ 717.466204][ C1] ? __lock_acquire+0x126d/0x1fd0
[ 717.466222][ C1] ? __lock_acquire+0x126d/0x1fd0
[ 717.466242][ C1] ? __lock_acquire+0x126d/0x1fd0
[ 717.466260][ C1]
[ 717.466266][ C1]
[ 717.466280][ C1] lock_acquire+0x1ed/0x550
[ 717.466298][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.466322][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.466340][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.466360][ C1] ? __pfx_lock_release+0x10/0x10
[ 717.466385][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.466406][ C1] ? tcf_idr_check_alloc+0x153/0x900
[ 717.466426][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.466445][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 717.466464][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.466487][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.466508][ C1] ? __nla_parse+0x40/0x60
[ 717.466534][ C1] tcf_police_init+0x29b/0x17c0
[ 717.466556][ C1] ? __sock_sendmsg+0x221/0x270
[ 717.466582][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 717.466607][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.466642][ C1] ? nla_memcpy+0x5d/0xc0
[ 717.466665][ C1] ? __asan_memcpy+0x40/0x70
[ 717.466686][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.466708][ C1] tcf_action_init_1+0x5d7/0x890
[ 717.466733][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.466766][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.466789][ C1] tcf_action_init+0x2e4/0x940
[ 717.466816][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 717.466864][ C1] ? apparmor_capable+0x138/0x1b0
[ 717.466894][ C1] tc_ctl_action+0x47d/0xcf0
[ 717.466916][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 717.466940][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.466976][ C1] ? trace_contention_end+0x3c/0x120
[ 717.467000][ C1] ? __mutex_lock+0x2ef/0xd70
[ 717.467030][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 717.467060][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.467081][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.467107][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.467131][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.467153][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 717.467176][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.467198][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.467220][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 717.467252][ C1] ? mark_lock+0x9a/0x350
[ 717.467270][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.467294][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.467319][ C1] ? mark_lock+0x9a/0x350
[ 717.467340][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.467368][ C1] netlink_rcv_skb+0x1e3/0x430
[ 717.467399][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.467423][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.467458][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.467483][ C1] netlink_unicast+0x7ea/0x980
[ 717.467509][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 717.467529][ C1] ? __virt_addr_valid+0x183/0x520
[ 717.467555][ C1] ? __check_object_size+0x49c/0x900
[ 717.467572][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.467600][ C1] netlink_sendmsg+0x8db/0xcb0
[ 717.467631][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.467656][ C1] ? __import_iovec+0x536/0x820
[ 717.467680][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 717.467701][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.467718][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 717.467744][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.467768][ C1] __sock_sendmsg+0x221/0x270
[ 717.467793][ C1] ____sys_sendmsg+0x525/0x7d0
[ 717.467816][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.467842][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 717.467862][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.467896][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.467919][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.467938][ C1] ? exc_page_fault+0x590/0x8c0
[ 717.467965][ C1] ? do_syscall_64+0xb6/0x230
[ 717.467984][ C1] do_syscall_64+0xf3/0x230
[ 717.468001][ C1] ? clear_bhb_loop+0x35/0x90
[ 717.468022][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.468041][ C1] RIP: 0033:0x7ff0d28a1df9
[ 717.468063][ 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
[ 717.468077][ C1] RSP: 002b:00007ffc2766f308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.468094][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0d28a1df9
[ 717.468106][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.468117][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.468127][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.468137][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.468155][ C1]
[ 717.468163][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.455 msecs
[ 718.138000][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 718.144894][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 718.154896][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 718.164977][ T30] Call Trace:
[ 718.168282][ T30]
[ 718.171238][ T30] dump_stack_lvl+0x241/0x360
[ 718.175951][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 718.181177][ T30] ? __pfx__printk+0x10/0x10
[ 718.185800][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 718.191814][ T30] ? vscnprintf+0x5d/0x90
[ 718.196173][ T30] panic+0x349/0x860
[ 718.200131][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.206346][ T30] ? __pfx_panic+0x10/0x10
[ 718.210818][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 718.216229][ T30] ? __irq_work_queue_local+0x137/0x410
[ 718.221804][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 718.227211][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.233483][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 718.239669][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 718.245883][ T30] watchdog+0x101d/0x1020
[ 718.250260][ T30] ? watchdog+0x1ea/0x1020
[ 718.254769][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.259490][ T30] kthread+0x2f0/0x390
[ 718.263631][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.268378][ T30] ? __pfx_kthread+0x10/0x10
[ 718.273015][ T30] ret_from_fork+0x4b/0x80
[ 718.277467][ T30] ? __pfx_kthread+0x10/0x10
[ 718.282088][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.286907][ T30]
[ 718.290230][ T30] Kernel Offset: disabled
[ 718.294610][ T30] Rebooting in 86400 seconds..