Warning: Permanently added '10.128.0.222' (ED25519) to the list of known hosts.
executing program
[ 716.919475][ T30] INFO: task kworker/u8:3:44 blocked for more than 143 seconds.
[ 716.927442][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.935212][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.944653][ T30] task:kworker/u8:3 state:D stack:21328 pid:44 tgid:44 ppid:2 flags:0x00004000
[ 716.955151][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.961725][ T30] Call Trace:
[ 716.965039][ T30]
[ 716.967992][ T30] __schedule+0x17e8/0x4a20
[ 716.972865][ T30] ? __pfx___schedule+0x10/0x10
[ 716.977767][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.983063][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 716.988564][ T30] ? kthread_data+0x52/0xd0
[ 716.993390][ T30] ? schedule+0x90/0x320
[ 716.997678][ T30] ? wq_worker_sleeping+0x66/0x240
[ 717.003052][ T30] ? schedule+0x90/0x320
[ 717.007335][ T30] schedule+0x14b/0x320
[ 717.011775][ T30] schedule_preempt_disabled+0x13/0x30
[ 717.017272][ T30] __mutex_lock+0x6a4/0xd70
[ 717.022120][ T30] ? __mutex_lock+0x527/0xd70
[ 717.026839][ T30] ? addrconf_verify_work+0x19/0x30
[ 717.032307][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 717.037379][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.043701][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.050520][ T30] ? process_scheduled_works+0x945/0x1830
[ 717.056271][ T30] addrconf_verify_work+0x19/0x30
[ 717.061833][ T30] process_scheduled_works+0xa2c/0x1830
[ 717.067535][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 717.073799][ T30] ? assign_work+0x364/0x3d0
[ 717.078433][ T30] worker_thread+0x86d/0xd70
[ 717.083293][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 717.089225][ T30] ? __kthread_parkme+0x169/0x1d0
[ 717.094562][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.099764][ T30] kthread+0x2f0/0x390
[ 717.103870][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.109128][ T30] ? __pfx_kthread+0x10/0x10
[ 717.114154][ T30] ret_from_fork+0x4b/0x80
[ 717.118616][ T30] ? __pfx_kthread+0x10/0x10
[ 717.123489][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.128315][ T30]
[ 717.131729][ T30]
[ 717.131729][ T30] Showing all locks held in the system:
[ 717.139685][ T30] 1 lock held by khungtaskd/30:
[ 717.144648][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.154841][ T30] 3 locks held by kworker/u8:3/44:
[ 717.160164][ T30] #0: ffff888029ac8948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.172515][ T30] #1: ffffc90000b47d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.186440][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.196299][ T30] 2 locks held by getty/4848:
[ 717.201176][ T30] #0: ffff88802a8850a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.211312][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.221750][ T30] 2 locks held by syz-executor368/5121:
[ 717.227318][ T30]
[ 717.229917][ T30] =============================================
[ 717.229917][ T30]
[ 717.238368][ T30] NMI backtrace for cpu 1
[ 717.242719][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.252635][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.262715][ T30] Call Trace:
[ 717.266024][ T30]
[ 717.268974][ T30] dump_stack_lvl+0x241/0x360
[ 717.273681][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.278915][ T30] ? __pfx__printk+0x10/0x10
[ 717.283537][ T30] ? vprintk_emit+0x631/0x770
[ 717.288250][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.293307][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.298276][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.303762][ T30] ? _printk+0xd5/0x120
[ 717.307946][ T30] ? __pfx__printk+0x10/0x10
[ 717.312565][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.317446][ T30] ? __pfx__printk+0x10/0x10
[ 717.322069][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.327128][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.333135][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.339145][ T30] watchdog+0xfde/0x1020
[ 717.343416][ T30] ? watchdog+0x1ea/0x1020
[ 717.347873][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.352582][ T30] kthread+0x2f0/0x390
[ 717.356689][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.361393][ T30] ? __pfx_kthread+0x10/0x10
[ 717.366009][ T30] ret_from_fork+0x4b/0x80
[ 717.370456][ T30] ? __pfx_kthread+0x10/0x10
[ 717.375075][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.379888][ T30]
[ 717.383069][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 717.388321][ C0] NMI backtrace for cpu 0
[ 717.388333][ C0] CPU: 0 PID: 5121 Comm: syz-executor368 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.388352][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.388368][ C0] RIP: 0010:__lock_acquire+0x932/0x1fd0
[ 717.388395][ 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
[ 717.388409][ C0] RSP: 0018:ffffc9000352e4b0 EFLAGS: 00000006
[ 717.388426][ C0] RAX: 0000000000000004 RBX: ffffffff92ca1178 RCX: ffffffff8172739e
[ 717.388439][ C0] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff92fb5588
[ 717.388451][ C0] RBP: 0000000000000003 R08: ffffffff92fb558f R09: 1ffffffff25f6ab1
[ 717.388463][ C0] R10: dffffc0000000000 R11: fffffbfff25f6ab2 R12: 0000000000000000
[ 717.388475][ C0] R13: ffff888022456500 R14: 0000000000000000 R15: ffff888022456500
[ 717.388488][ C0] FS: 0000555593ea8380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 717.388503][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.388515][ C0] CR2: 000055af8f0617f0 CR3: 000000001ee6a000 CR4: 00000000003506f0
[ 717.388530][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.388541][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.388551][ C0] Call Trace:
[ 717.388559][ C0]
[ 717.388566][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.388589][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 717.388609][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.388639][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.388659][ C0] ? nmi_handle+0x14f/0x5a0
[ 717.388686][ C0] ? nmi_handle+0x2a/0x5a0
[ 717.388712][ C0] ? __lock_acquire+0x932/0x1fd0
[ 717.388730][ C0] ? default_do_nmi+0x63/0x160
[ 717.388753][ C0] ? exc_nmi+0x123/0x1f0
[ 717.388774][ C0] ? end_repeat_nmi+0xf/0x53
[ 717.388798][ C0] ? __lock_acquire+0x86e/0x1fd0
[ 717.388817][ C0] ? __lock_acquire+0x932/0x1fd0
[ 717.388835][ C0] ? __lock_acquire+0x932/0x1fd0
[ 717.388854][ C0] ? __lock_acquire+0x932/0x1fd0
[ 717.388873][ C0]
[ 717.388878][ C0]
[ 717.388893][ C0] lock_acquire+0x1ed/0x550
[ 717.388910][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.388935][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 717.388953][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.388973][ C0] ? __pfx_lock_release+0x10/0x10
[ 717.389009][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.389029][ C0] ? tcf_idr_check_alloc+0x141/0x900
[ 717.389050][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.389069][ C0] tcf_idr_check_alloc+0x12d/0x900
[ 717.389088][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.389109][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.389130][ C0] ? __nla_parse+0x40/0x60
[ 717.389225][ C0] tcf_police_init+0x29b/0x17c0
[ 717.389246][ C0] ? __sock_sendmsg+0x221/0x270
[ 717.389272][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 717.389300][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 717.389352][ C0] ? nla_memcpy+0x5d/0xc0
[ 717.389376][ C0] ? __asan_memcpy+0x40/0x70
[ 717.389396][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 717.389418][ C0] tcf_action_init_1+0x5d7/0x890
[ 717.389445][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.389477][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.389500][ C0] tcf_action_init+0x2e4/0x940
[ 717.389527][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 717.389575][ C0] ? apparmor_capable+0x138/0x1b0
[ 717.389631][ C0] tc_ctl_action+0x47d/0xcf0
[ 717.389659][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.389694][ C0] ? trace_contention_end+0x3c/0x120
[ 717.389718][ C0] ? __mutex_lock+0x2ef/0xd70
[ 717.389748][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 717.389779][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.389800][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.389826][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.389850][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.389872][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 717.389895][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.389918][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.389940][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 717.389972][ C0] ? mark_lock+0x9a/0x350
[ 717.389996][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.390019][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 717.390045][ C0] ? mark_lock+0x9a/0x350
[ 717.390067][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 717.390094][ C0] netlink_rcv_skb+0x1e3/0x430
[ 717.390120][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.390145][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.390179][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.390205][ C0] netlink_unicast+0x7ea/0x980
[ 717.390230][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 717.390251][ C0] ? __virt_addr_valid+0x183/0x520
[ 717.390277][ C0] ? __check_object_size+0x49c/0x900
[ 717.390293][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.390321][ C0] netlink_sendmsg+0x8db/0xcb0
[ 717.390352][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.390378][ C0] ? __import_iovec+0x536/0x820
[ 717.390433][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 717.390468][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.390485][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 717.390540][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.390563][ C0] __sock_sendmsg+0x221/0x270
[ 717.390589][ C0] ____sys_sendmsg+0x525/0x7d0
[ 717.390612][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.390638][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 717.390658][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.390692][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.390715][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.390734][ C0] ? exc_page_fault+0x590/0x8c0
[ 717.390762][ C0] ? do_syscall_64+0xb6/0x230
[ 717.390781][ C0] do_syscall_64+0xf3/0x230
[ 717.390798][ C0] ? clear_bhb_loop+0x35/0x90
[ 717.390819][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.390839][ C0] RIP: 0033:0x7feb29367df9
[ 717.390860][ 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
[ 717.390873][ C0] RSP: 002b:00007fffd93719c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.390891][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb29367df9
[ 717.390903][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.390914][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.390924][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.390934][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.390952][ C0]
[ 717.390960][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.639 msecs
[ 718.050619][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 718.057578][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 718.067573][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 718.077643][ T30] Call Trace:
[ 718.080936][ T30]
[ 718.083884][ T30] dump_stack_lvl+0x241/0x360
[ 718.088585][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 718.093801][ T30] ? __pfx__printk+0x10/0x10
[ 718.098416][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 718.104431][ T30] ? vscnprintf+0x5d/0x90
[ 718.108793][ T30] panic+0x349/0x860
[ 718.112726][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.118914][ T30] ? __pfx_panic+0x10/0x10
[ 718.123382][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 718.128813][ T30] ? __irq_work_queue_local+0x137/0x410
[ 718.134386][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 718.139877][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.146057][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 718.152323][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 718.158503][ T30] watchdog+0x101d/0x1020
[ 718.162861][ T30] ? watchdog+0x1ea/0x1020
[ 718.167303][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.172000][ T30] kthread+0x2f0/0x390
[ 718.176096][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.180808][ T30] ? __pfx_kthread+0x10/0x10
[ 718.185423][ T30] ret_from_fork+0x4b/0x80
[ 718.189873][ T30] ? __pfx_kthread+0x10/0x10
[ 718.194572][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.199381][ T30]
[ 718.202695][ T30] Kernel Offset: disabled
[ 718.207032][ T30] Rebooting in 86400 seconds..