Warning: Permanently added '10.128.1.193' (ED25519) to the list of known hosts.
executing program
[ 572.967021][ T27] INFO: task kworker/1:2:1069 blocked for more than 143 seconds.
[ 572.974924][ T27] Not tainted 5.15.160-syzkaller #0
[ 572.981060][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 572.989955][ T27] task:kworker/1:2 state:D stack:24256 pid: 1069 ppid: 2 flags:0x00004000
[ 572.999378][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.005669][ T27] Call Trace:
[ 573.009192][ T27]
[ 573.012148][ T27] __schedule+0x12c4/0x45b0
[ 573.016782][ T27] ? mark_lock+0x98/0x340
[ 573.021428][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.027643][ T27] ? release_firmware_map_entry+0x190/0x190
[ 573.033555][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 573.039242][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.044649][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 573.050179][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 573.055413][ T27] schedule+0x11b/0x1f0
[ 573.060135][ T27] schedule_preempt_disabled+0xf/0x20
[ 573.065535][ T27] __mutex_lock_common+0xe34/0x25a0
[ 573.071077][ T27] ? addrconf_verify_work+0xa/0x20
[ 573.076301][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 573.081717][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.087902][ T27] ? print_irqtrace_events+0x210/0x210
[ 573.093377][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.099515][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.104740][ T27] mutex_lock_nested+0x17/0x20
[ 573.109861][ T27] addrconf_verify_work+0xa/0x20
[ 573.114835][ T27] process_one_work+0x8a1/0x10c0
[ 573.120094][ T27] ? worker_detach_from_pool+0x260/0x260
[ 573.125757][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 573.131542][ T27] ? kthread_data+0x4e/0xc0
[ 573.136511][ T27] ? wq_worker_running+0x97/0x170
[ 573.141776][ T27] worker_thread+0xaca/0x1280
[ 573.146577][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.153043][ T27] kthread+0x3f6/0x4f0
[ 573.157308][ T27] ? rcu_lock_release+0x20/0x20
[ 573.162410][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.167265][ T27] ret_from_fork+0x1f/0x30
[ 573.171742][ T27]
[ 573.175572][ T27]
[ 573.175572][ T27] Showing all locks held in the system:
[ 573.184045][ T27] 1 lock held by khungtaskd/27:
[ 573.189126][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 573.198766][ T27] 3 locks held by kworker/1:2/1069:
[ 573.203973][ T27] #0: ffff888023c51538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 573.215217][ T27] #1: ffffc90004a9fd20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 573.225822][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 573.235473][ T27] 2 locks held by getty/3263:
[ 573.241294][ T27] #0: ffff888024d59098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 573.251318][ T27] #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 573.261642][ T27] 2 locks held by syz-executor755/3531:
[ 573.267398][ T27]
[ 573.269728][ T27] =============================================
[ 573.269728][ T27]
[ 573.278388][ T27] NMI backtrace for cpu 1
[ 573.282739][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 573.290731][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.300797][ T27] Call Trace:
[ 573.304100][ T27]
[ 573.307042][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.311777][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.317424][ T27] ? panic+0x860/0x860
[ 573.321516][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 573.326646][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 573.331594][ T27] ? __wake_up_klogd+0xd5/0x100
[ 573.336464][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.342633][ T27] ? _printk+0xd1/0x120
[ 573.346816][ T27] ? panic+0x860/0x860
[ 573.350985][ T27] ? __wake_up_klogd+0xcc/0x100
[ 573.355845][ T27] ? panic+0x860/0x860
[ 573.359927][ T27] ? __rcu_read_unlock+0x92/0x100
[ 573.364976][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.371070][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 573.377078][ T27] watchdog+0xe72/0xeb0
[ 573.381262][ T27] kthread+0x3f6/0x4f0
[ 573.385346][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.390416][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.395021][ T27] ret_from_fork+0x1f/0x30
[ 573.399465][ T27]
[ 573.402701][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 573.408053][ C0] NMI backtrace for cpu 0
[ 573.408063][ C0] CPU: 0 PID: 3531 Comm: syz-executor755 Not tainted 5.15.160-syzkaller #0
[ 573.408080][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.408089][ C0] RIP: 0010:___might_sleep+0x2aa/0x6a0
[ 573.408110][ C0] Code: 71 00 48 89 da 48 8b 0d c4 cf 07 0b 48 8b 05 9d 2a 07 0e 48 29 c1 48 83 c1 9c 79 53 48 85 c0 74 4e 48 c7 44 24 40 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 43 c7 44 3e 09 00 00 00 00 66 43 c7 44 3e
[ 573.408123][ C0] RSP: 0018:ffffc90002f665a0 EFLAGS: 00000246
[ 573.408139][ C0] RAX: 0000000000000000 RBX: ffff88807928a840 RCX: ffff888079289dc0
[ 573.408151][ C0] RDX: ffff888079289dc0 RSI: ffffffff8a8b3c20 RDI: ffffffff8ad8f6c0
[ 573.408163][ C0] RBP: ffffc90002f666b0 R08: dffffc0000000000 R09: ffffc90002f66780
[ 573.408175][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 573.408185][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005eccbc
[ 573.408197][ C0] FS: 00005555571c1380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 573.408212][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.408223][ C0] CR2: 00005555571c1ca8 CR3: 0000000078cc9000 CR4: 00000000003506f0
[ 573.408237][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.408251][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.408261][ C0] Call Trace:
[ 573.408266][ C0]
[ 573.408272][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 573.408290][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.408308][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.408325][ C0] ? unknown_nmi_error+0xd0/0xd0
[ 573.408349][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 573.408366][ C0] ? nmi_handle+0xf7/0x370
[ 573.408383][ C0] ? ___might_sleep+0x2aa/0x6a0
[ 573.408399][ C0] ? default_do_nmi+0x62/0x150
[ 573.408418][ C0] ? exc_nmi+0xa8/0x100
[ 573.408434][ C0] ? end_repeat_nmi+0x16/0x31
[ 573.408456][ C0] ? ___might_sleep+0x2aa/0x6a0
[ 573.408472][ C0] ? ___might_sleep+0x2aa/0x6a0
[ 573.408489][ C0] ? ___might_sleep+0x2aa/0x6a0
[ 573.408506][ C0]
[ 573.408511][ C0]
[ 573.408519][ C0] ? __might_sleep+0xc0/0xc0
[ 573.408536][ C0] ? rcu_lock_release+0x20/0x20
[ 573.408554][ C0] ? tcf_idr_check_alloc+0x97/0x380
[ 573.408572][ C0] ? __lock_acquire+0x1ff0/0x1ff0
[ 573.408589][ C0] __mutex_lock_common+0xd4/0x25a0
[ 573.408613][ C0] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.408630][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.408647][ C0] ? mutex_lock_io_nested+0x60/0x60
[ 573.408669][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.408685][ C0] ? radix_tree_lookup+0x234/0x280
[ 573.408703][ C0] mutex_lock_nested+0x17/0x20
[ 573.408719][ C0] tcf_idr_check_alloc+0xa1/0x380
[ 573.408738][ C0] tcf_police_init+0x294/0x17c0
[ 573.408754][ C0] ? netlink_rcv_skb+0x1cf/0x410
[ 573.408768][ C0] ? netlink_unicast+0x7b6/0x980
[ 573.408786][ C0] ? __se_sys_sendmsg+0x19a/0x260
[ 573.408810][ C0] ? tcf_police_search+0x40/0x40
[ 573.408837][ C0] ? tcf_action_init_1+0x226/0x7f0
[ 573.408852][ C0] ? nla_memcpy+0x56/0xb0
[ 573.408871][ C0] ? memcpy+0x3c/0x60
[ 573.408888][ C0] ? tcf_police_search+0x40/0x40
[ 573.408904][ C0] tcf_action_init_1+0x50f/0x7f0
[ 573.408925][ C0] ? tc_action_load_ops+0x550/0x550
[ 573.408941][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.408957][ C0] ? rcu_lock_release+0x5/0x20
[ 573.408984][ C0] tcf_action_init+0x2f3/0x750
[ 573.409004][ C0] ? tcf_action_init_1+0x7f0/0x7f0
[ 573.409033][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.409063][ C0] ? apparmor_capable+0x12e/0x190
[ 573.409081][ C0] ? __nla_parse+0x3c/0x50
[ 573.409099][ C0] tc_ctl_action+0x49b/0xd00
[ 573.409121][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.409137][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.409180][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.409197][ C0] rtnetlink_rcv_msg+0x993/0xee0
[ 573.409216][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.409235][ C0] ? rtnetlink_bind+0x80/0x80
[ 573.409260][ C0] ? stack_trace_save+0x1c0/0x1c0
[ 573.409278][ C0] ? __kernel_text_address+0x94/0x100
[ 573.409298][ C0] ? unwind_get_return_address+0x49/0x80
[ 573.409316][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.409332][ C0] ? arch_stack_walk+0xf3/0x140
[ 573.409351][ C0] ? mark_lock+0x98/0x340
[ 573.409368][ C0] ? mark_lock+0x98/0x340
[ 573.409385][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 573.409414][ C0] netlink_rcv_skb+0x1cf/0x410
[ 573.409430][ C0] ? rtnetlink_bind+0x80/0x80
[ 573.409449][ C0] ? netlink_ack+0xb10/0xb10
[ 573.409470][ C0] netlink_unicast+0x7b6/0x980
[ 573.409493][ C0] ? netlink_detachskb+0x90/0x90
[ 573.409512][ C0] ? __virt_addr_valid+0x39e/0x450
[ 573.409527][ C0] ? 0xffffffff81000000
[ 573.409539][ C0] ? __check_object_size+0x300/0x410
[ 573.409558][ C0] ? bpf_lsm_netlink_send+0x5/0x10
[ 573.409577][ C0] netlink_sendmsg+0xa30/0xd60
[ 573.409598][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.409614][ C0] ? aa_sock_msg_perm+0x91/0x150
[ 573.409632][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 573.409648][ C0] ? security_socket_sendmsg+0x7d/0xa0
[ 573.409663][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.409680][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 573.409698][ C0] ? iovec_from_user+0x300/0x390
[ 573.409719][ C0] ? __sys_sendmsg_sock+0x30/0x30
[ 573.409745][ C0] ___sys_sendmsg+0x252/0x2e0
[ 573.409766][ C0] ? __sys_sendmsg+0x260/0x260
[ 573.409785][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 573.409814][ C0] ? __context_tracking_enter+0x5f/0x90
[ 573.409834][ C0] ? __context_tracking_exit+0x4c/0x80
[ 573.409853][ C0] ? __fdget+0x158/0x220
[ 573.409871][ C0] __se_sys_sendmsg+0x19a/0x260
[ 573.409891][ C0] ? __x64_sys_sendmsg+0x80/0x80
[ 573.409914][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.409933][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 573.409951][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.409971][ C0] do_syscall_64+0x3b/0xb0
[ 573.409987][ C0] ? clear_bhb_loop+0x15/0x70
[ 573.410002][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.410019][ C0] RIP: 0033:0x7f6f03a64df9
[ 573.410034][ 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
[ 573.410048][ C0] RSP: 002b:00007ffef3b7b9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.410063][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f03a64df9
[ 573.410074][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.410084][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.410093][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.410103][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.410119][ C0]
[ 573.410125][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.072 msecs
[ 573.417559][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.105828][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 574.113905][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 574.123967][ T27] Call Trace:
[ 574.127254][ T27]
[ 574.130280][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 574.134990][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 574.140635][ T27] ? panic+0x860/0x860
[ 574.144761][ T27] panic+0x318/0x860
[ 574.148666][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 574.154411][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.160692][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 574.166051][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 574.172242][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.178494][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 574.184662][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 574.190913][ T27] watchdog+0xeb0/0xeb0
[ 574.195091][ T27] kthread+0x3f6/0x4f0
[ 574.199168][ T27] ? hungtask_pm_notify+0x50/0x50
[ 574.204234][ T27] ? kthread_blkcg+0xd0/0xd0
[ 574.208945][ T27] ret_from_fork+0x1f/0x30
[ 574.213475][ T27]
[ 574.216721][ T27] Kernel Offset: disabled
[ 574.221143][ T27] Rebooting in 86400 seconds..