Warning: Permanently added '10.128.1.213' (ED25519) to the list of known hosts.
executing program
[ 573.033742][ T27] INFO: task kworker/1:2:1069 blocked for more than 143 seconds.
[ 573.041618][ T27] Not tainted 5.15.161-syzkaller #0
[ 573.047749][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.056599][ T27] task:kworker/1:2 state:D stack:23744 pid: 1069 ppid: 2 flags:0x00004000
[ 573.065990][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.072387][ T27] Call Trace:
[ 573.075866][ T27]
[ 573.078797][ T27] __schedule+0x12c4/0x45b0
[ 573.083334][ T27] ? mark_lock+0x98/0x340
[ 573.087992][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.094140][ T27] ? release_firmware_map_entry+0x190/0x190
[ 573.100041][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 573.105726][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.110927][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 573.116324][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 573.121531][ T27] schedule+0x11b/0x1f0
[ 573.125881][ T27] schedule_preempt_disabled+0xf/0x20
[ 573.131252][ T27] __mutex_lock_common+0xe34/0x25a0
[ 573.136648][ T27] ? addrconf_verify_work+0xa/0x20
[ 573.141775][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 573.147173][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.153153][ T27] ? print_irqtrace_events+0x210/0x210
[ 573.158808][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.164858][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.170058][ T27] mutex_lock_nested+0x17/0x20
[ 573.175051][ T27] addrconf_verify_work+0xa/0x20
[ 573.179988][ T27] process_one_work+0x8a1/0x10c0
[ 573.185122][ T27] ? worker_detach_from_pool+0x260/0x260
[ 573.190758][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 573.196483][ T27] ? kthread_data+0x4e/0xc0
[ 573.200985][ T27] ? wq_worker_running+0x97/0x170
[ 573.206205][ T27] worker_thread+0xaca/0x1280
[ 573.210887][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.217012][ T27] kthread+0x3f6/0x4f0
[ 573.221079][ T27] ? rcu_lock_release+0x20/0x20
[ 573.226180][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.230800][ T27] ret_from_fork+0x1f/0x30
[ 573.235555][ T27]
[ 573.238723][ T27]
[ 573.238723][ T27] Showing all locks held in the system:
[ 573.246786][ T27] 1 lock held by khungtaskd/27:
[ 573.251643][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 573.261230][ T27] 3 locks held by kworker/1:2/1069:
[ 573.266788][ T27] #0: ffff88814af19138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 573.278029][ T27] #1: ffffc90004807d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 573.288682][ T27] #2: ffffffff8d9e8348 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 573.298404][ T27] 2 locks held by getty/3259:
[ 573.303078][ T27] #0: ffff88814b14f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 573.313621][ T27] #1: ffffc9000229c2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 573.324323][ T27] 2 locks held by syz-executor796/3530:
[ 573.329873][ T27]
[ 573.332186][ T27] =============================================
[ 573.332186][ T27]
[ 573.340934][ T27] NMI backtrace for cpu 0
[ 573.345272][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.161-syzkaller #0
[ 573.353242][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.363299][ T27] Call Trace:
[ 573.366567][ T27]
[ 573.369489][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.374166][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.379791][ T27] ? panic+0x860/0x860
[ 573.383855][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 573.388963][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 573.393982][ T27] ? __wake_up_klogd+0xd5/0x100
[ 573.398829][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.404971][ T27] ? _printk+0xd1/0x120
[ 573.409129][ T27] ? panic+0x860/0x860
[ 573.413192][ T27] ? __wake_up_klogd+0xcc/0x100
[ 573.418128][ T27] ? panic+0x860/0x860
[ 573.422207][ T27] ? __rcu_read_unlock+0x92/0x100
[ 573.427223][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.433378][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 573.439353][ T27] watchdog+0xe72/0xeb0
[ 573.443520][ T27] kthread+0x3f6/0x4f0
[ 573.447697][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.452807][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.457391][ T27] ret_from_fork+0x1f/0x30
[ 573.461824][ T27]
[ 573.464916][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 573.470131][ C1] NMI backtrace for cpu 1
[ 573.470147][ C1] CPU: 1 PID: 3530 Comm: syz-executor796 Not tainted 5.15.161-syzkaller #0
[ 573.470162][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.470173][ C1] RIP: 0010:lock_acquire+0x221/0x4f0
[ 573.470189][ C1] Code: 7e 83 f8 01 0f 85 a4 01 00 00 49 89 de 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 f7 e8 a9 7e 67 00 48 c7 44 24 60 00 00 00 00 9c <8f> 44 24 60 42 80 3c 2b 00 74 08 4c 89 f7 e8 0c 7e 67 00 f6 44 24
[ 573.470200][ C1] RSP: 0018:ffffc900031d6558 EFLAGS: 00000046
[ 573.470213][ C1] RAX: 0000000000000001 RBX: 1ffff9200063acb8 RCX: ffffffff81636252
[ 573.470223][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8b3ca0 RDI: ffffffff8ad8f740
[ 573.470234][ C1] RBP: ffffc900031d66a8 R08: dffffc0000000000 R09: fffffbfff1f7f232
[ 573.470243][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200063acb4
[ 573.470253][ C1] R13: dffffc0000000000 R14: ffffc900031d65c0 R15: 0000000000000246
[ 573.470262][ C1] FS: 00005555573f8380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 573.470275][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.470285][ C1] CR2: 00007fbef2495580 CR3: 0000000012a0d000 CR4: 00000000003506e0
[ 573.470297][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.470305][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.470313][ C1] Call Trace:
[ 573.470319][ C1]
[ 573.470324][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 573.470339][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.470353][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.470367][ C1] ? unknown_nmi_error+0xd0/0xd0
[ 573.470388][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 573.470401][ C1] ? nmi_handle+0xf7/0x370
[ 573.470415][ C1] ? lock_acquire+0x221/0x4f0
[ 573.470427][ C1] ? default_do_nmi+0x62/0x150
[ 573.470442][ C1] ? exc_nmi+0xa8/0x100
[ 573.470455][ C1] ? end_repeat_nmi+0x16/0x31
[ 573.470472][ C1] ? validate_chain+0x112/0x5930
[ 573.470486][ C1] ? lock_acquire+0x221/0x4f0
[ 573.470498][ C1] ? lock_acquire+0x221/0x4f0
[ 573.470511][ C1] ? lock_acquire+0x221/0x4f0
[ 573.470523][ C1]
[ 573.470527][ C1]
[ 573.470535][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.470549][ C1] ? __might_sleep+0xc0/0xc0
[ 573.470564][ C1] ? rcu_lock_release+0x20/0x20
[ 573.470578][ C1] ? tcf_idr_check_alloc+0x97/0x380
[ 573.470593][ C1] ? __lock_acquire+0x1ff0/0x1ff0
[ 573.470607][ C1] __mutex_lock_common+0x1da/0x25a0
[ 573.470621][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.470638][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.470652][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.470666][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 573.470686][ C1] ? radix_tree_lookup+0x15d/0x280
[ 573.470699][ C1] ? radix_tree_lookup+0x234/0x280
[ 573.470713][ C1] ? radix_tree_lookup+0x234/0x280
[ 573.470726][ C1] ? radix_tree_lookup+0x234/0x280
[ 573.470741][ C1] mutex_lock_nested+0x17/0x20
[ 573.470754][ C1] tcf_idr_check_alloc+0xa1/0x380
[ 573.470770][ C1] tcf_police_init+0x294/0x17c0
[ 573.470782][ C1] ? netlink_rcv_skb+0x1cf/0x410
[ 573.470794][ C1] ? netlink_unicast+0x7b6/0x980
[ 573.470810][ C1] ? __se_sys_sendmsg+0x19a/0x260
[ 573.470829][ C1] ? tcf_police_search+0x40/0x40
[ 573.470852][ C1] ? tcf_action_init_1+0x226/0x7f0
[ 573.470865][ C1] ? nla_memcpy+0x56/0xb0
[ 573.470880][ C1] ? memcpy+0x3c/0x60
[ 573.470894][ C1] ? tcf_police_search+0x40/0x40
[ 573.470908][ C1] tcf_action_init_1+0x50f/0x7f0
[ 573.470925][ C1] ? tc_action_load_ops+0x550/0x550
[ 573.470938][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.470951][ C1] ? rcu_lock_release+0x5/0x20
[ 573.470973][ C1] tcf_action_init+0x2f3/0x750
[ 573.470990][ C1] ? tcf_action_init_1+0x7f0/0x7f0
[ 573.471014][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.471038][ C1] ? apparmor_capable+0x12e/0x190
[ 573.471054][ C1] ? __nla_parse+0x3c/0x50
[ 573.471069][ C1] tc_ctl_action+0x49b/0xd00
[ 573.471086][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.471100][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.471136][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.471150][ C1] rtnetlink_rcv_msg+0x993/0xee0
[ 573.471166][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.471181][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.471196][ C1] ? stack_trace_save+0x1c0/0x1c0
[ 573.471210][ C1] ? __kernel_text_address+0x94/0x100
[ 573.471227][ C1] ? unwind_get_return_address+0x49/0x80
[ 573.471242][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.471254][ C1] ? arch_stack_walk+0xf3/0x140
[ 573.471270][ C1] ? mark_lock+0x98/0x340
[ 573.471285][ C1] ? mark_lock+0x98/0x340
[ 573.471298][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.471323][ C1] netlink_rcv_skb+0x1cf/0x410
[ 573.471336][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.471351][ C1] ? netlink_ack+0xb10/0xb10
[ 573.471369][ C1] netlink_unicast+0x7b6/0x980
[ 573.471388][ C1] ? netlink_detachskb+0x90/0x90
[ 573.471402][ C1] ? __virt_addr_valid+0x39e/0x450
[ 573.471415][ C1] ? 0xffffffff81000000
[ 573.471425][ C1] ? __check_object_size+0x300/0x410
[ 573.471441][ C1] ? bpf_lsm_netlink_send+0x5/0x10
[ 573.471455][ C1] netlink_sendmsg+0xa30/0xd60
[ 573.471473][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.471487][ C1] ? aa_sock_msg_perm+0x91/0x150
[ 573.471501][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 573.471513][ C1] ? security_socket_sendmsg+0x7d/0xa0
[ 573.471527][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.471540][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 573.471554][ C1] ? iovec_from_user+0x300/0x390
[ 573.471572][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 573.471593][ C1] ___sys_sendmsg+0x252/0x2e0
[ 573.471610][ C1] ? __sys_sendmsg+0x260/0x260
[ 573.471625][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.471650][ C1] ? __context_tracking_enter+0x5f/0x90
[ 573.471666][ C1] ? __context_tracking_exit+0x4c/0x80
[ 573.471685][ C1] ? __fdget+0x158/0x220
[ 573.471701][ C1] __se_sys_sendmsg+0x19a/0x260
[ 573.471716][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 573.471735][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.471750][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 573.471764][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.471781][ C1] do_syscall_64+0x3b/0xb0
[ 573.471794][ C1] ? clear_bhb_loop+0x15/0x70
[ 573.471806][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.471820][ C1] RIP: 0033:0x7f1ab6974df9
[ 573.471833][ 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
[ 573.471843][ C1] RSP: 002b:00007ffc27f46948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.471857][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ab6974df9
[ 573.471866][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.471874][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.471882][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.471890][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.471905][ C1]
[ 573.471911][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.779 msecs
[ 574.178186][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.185030][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.161-syzkaller #0
[ 574.193006][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.203046][ T27] Call Trace:
[ 574.206314][ T27]
[ 574.209240][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 574.213915][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 574.219540][ T27] ? panic+0x860/0x860
[ 574.223623][ T27] panic+0x318/0x860
[ 574.227510][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 574.233132][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.239281][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 574.244474][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 574.250536][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.256681][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 574.262834][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 574.268979][ T27] watchdog+0xeb0/0xeb0
[ 574.273136][ T27] kthread+0x3f6/0x4f0
[ 574.277197][ T27] ? hungtask_pm_notify+0x50/0x50
[ 574.282212][ T27] ? kthread_blkcg+0xd0/0xd0
[ 574.286800][ T27] ret_from_fork+0x1f/0x30
[ 574.291227][ T27]
[ 574.294467][ T27] Kernel Offset: disabled
[ 574.298782][ T27] Rebooting in 86400 seconds..