Warning: Permanently added '10.128.0.23' (ED25519) to the list of known hosts.
executing program
[ 716.248834][ T27] INFO: task kworker/0:0:7 blocked for more than 143 seconds.
[ 716.256487][ T27] Not tainted 5.15.160-syzkaller #0
[ 716.262984][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.271999][ T27] task:kworker/0:0 state:D stack:24760 pid: 7 ppid: 2 flags:0x00004000
[ 716.281442][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.287706][ T27] Call Trace:
[ 716.291378][ T27]
[ 716.294308][ T27] __schedule+0x12c4/0x45b0
[ 716.299130][ T27] ? mark_lock+0x98/0x340
[ 716.303462][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.309780][ T27] ? release_firmware_map_entry+0x190/0x190
[ 716.315671][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 716.321413][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.326613][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.332161][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.337362][ T27] schedule+0x11b/0x1f0
[ 716.341786][ T27] schedule_preempt_disabled+0xf/0x20
[ 716.347153][ T27] __mutex_lock_common+0xe34/0x25a0
[ 716.352666][ T27] ? addrconf_verify_work+0xa/0x20
[ 716.357780][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 716.363262][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.369727][ T27] ? print_irqtrace_events+0x210/0x210
[ 716.375181][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.381400][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.386602][ T27] mutex_lock_nested+0x17/0x20
[ 716.391681][ T27] addrconf_verify_work+0xa/0x20
[ 716.396624][ T27] process_one_work+0x8a1/0x10c0
[ 716.401845][ T27] ? worker_detach_from_pool+0x260/0x260
[ 716.407479][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 716.413344][ T27] ? kthread_data+0x4e/0xc0
[ 716.417847][ T27] ? wq_worker_running+0x97/0x170
[ 716.423175][ T27] worker_thread+0xaca/0x1280
[ 716.427873][ T27] kthread+0x3f6/0x4f0
[ 716.432265][ T27] ? rcu_lock_release+0x20/0x20
[ 716.437114][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.441986][ T27] ret_from_fork+0x1f/0x30
[ 716.446414][ T27]
[ 716.449925][ T27]
[ 716.449925][ T27] Showing all locks held in the system:
[ 716.457638][ T27] 3 locks held by kworker/0:0/7:
[ 716.463207][ T27] #0: ffff88814a678538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 716.474431][ T27] #1: ffffc90000cc7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 716.484905][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 716.494581][ T27] 1 lock held by khungtaskd/27:
[ 716.499680][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 716.509271][ T27] 2 locks held by getty/3261:
[ 716.513939][ T27] #0: ffff888024e53098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.524003][ T27] #1: ffffc9000229b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 716.534368][ T27] 1 lock held by syz-executor974/3530:
[ 716.540045][ T27]
[ 716.542361][ T27] =============================================
[ 716.542361][ T27]
[ 716.551143][ T27] NMI backtrace for cpu 0
[ 716.555468][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 716.563431][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.573472][ T27] Call Trace:
[ 716.576744][ T27]
[ 716.579661][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 716.584337][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 716.589957][ T27] ? panic+0x860/0x860
[ 716.594022][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 716.599127][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 716.604056][ T27] ? __wake_up_klogd+0xd5/0x100
[ 716.608904][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.615047][ T27] ? _printk+0xd1/0x120
[ 716.619194][ T27] ? panic+0x860/0x860
[ 716.623254][ T27] ? __wake_up_klogd+0xcc/0x100
[ 716.628092][ T27] ? panic+0x860/0x860
[ 716.632155][ T27] ? __rcu_read_unlock+0x92/0x100
[ 716.637170][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.643227][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 716.649201][ T27] watchdog+0xe72/0xeb0
[ 716.653358][ T27] kthread+0x3f6/0x4f0
[ 716.657414][ T27] ? hungtask_pm_notify+0x50/0x50
[ 716.662426][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.667008][ T27] ret_from_fork+0x1f/0x30
[ 716.671427][ T27]
[ 716.674520][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 716.679744][ C1] NMI backtrace for cpu 1
[ 716.679752][ C1] CPU: 1 PID: 3530 Comm: syz-executor974 Not tainted 5.15.160-syzkaller #0
[ 716.679767][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.679775][ C1] RIP: 0010:__lock_acquire+0x1211/0x1ff0
[ 716.679792][ C1] Code: 00 00 41 8b 1f 81 e3 ff 1f 00 00 89 d8 c1 e8 06 48 8d 3c c5 c0 80 bf 8f be 08 00 00 00 e8 87 68 67 00 48 0f a3 1d df bc 5c 0e <73> 1b 48 8d 04 5b 48 c1 e0 06 48 8d 98 c0 df 8e 8f 48 ba 00 00 00
[ 716.679803][ C1] RSP: 0018:ffffc90002d66480 EFLAGS: 00000057
[ 716.679815][ C1] RAX: 0000000000000001 RBX: 0000000000000669 RCX: ffffffff8162c3d9
[ 716.679825][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fbf8188
[ 716.679834][ C1] RBP: 83e8343fbcdf6e0b R08: dffffc0000000000 R09: fffffbfff1f7f032
[ 716.679850][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[ 716.679859][ C1] R13: ffff8880133828a8 R14: ffff888013381dc0 R15: ffff8880133828f8
[ 716.679869][ C1] FS: 0000555556277380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 716.679881][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.679891][ C1] CR2: 00007f917b8d7580 CR3: 000000007a12d000 CR4: 00000000003506e0
[ 716.679903][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.679911][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.679919][ C1] Call Trace:
[ 716.679924][ C1]
[ 716.679933][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 716.679948][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.679962][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.679983][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 716.679997][ C1] ? nmi_handle+0xf7/0x370
[ 716.680012][ C1] ? __lock_acquire+0x1211/0x1ff0
[ 716.680025][ C1] ? default_do_nmi+0x62/0x150
[ 716.680040][ C1] ? exc_nmi+0xa8/0x100
[ 716.680053][ C1] ? end_repeat_nmi+0x16/0x31
[ 716.680070][ C1] ? __lock_acquire+0x1209/0x1ff0
[ 716.680083][ C1] ? __lock_acquire+0x1211/0x1ff0
[ 716.680096][ C1] ? __lock_acquire+0x1211/0x1ff0
[ 716.680109][ C1] ? __lock_acquire+0x1211/0x1ff0
[ 716.680122][ C1]
[ 716.680125][ C1]
[ 716.680135][ C1] lock_acquire+0x1db/0x4f0
[ 716.680147][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.680164][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.680178][ C1] ? __might_sleep+0xc0/0xc0
[ 716.680193][ C1] ? rcu_lock_release+0x20/0x20
[ 716.680209][ C1] ? tcf_idr_check_alloc+0x97/0x380
[ 716.680222][ C1] ? __lock_acquire+0x1ff0/0x1ff0
[ 716.680236][ C1] __mutex_lock_common+0x1da/0x25a0
[ 716.680252][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.680268][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 716.680282][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.680295][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 716.680310][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 716.680326][ C1] ? __mutex_lock_common+0x11/0x25a0
[ 716.680341][ C1] ? radix_tree_lookup+0x234/0x280
[ 716.680356][ C1] mutex_lock_nested+0x17/0x20
[ 716.680370][ C1] tcf_idr_check_alloc+0xa1/0x380
[ 716.680386][ C1] tcf_police_init+0x294/0x17c0
[ 716.680399][ C1] ? netlink_rcv_skb+0x1cf/0x410
[ 716.680411][ C1] ? netlink_unicast+0x7b6/0x980
[ 716.680426][ C1] ? __se_sys_sendmsg+0x19a/0x260
[ 716.680445][ C1] ? tcf_police_search+0x40/0x40
[ 716.680466][ C1] ? tcf_action_init_1+0x226/0x7f0
[ 716.680479][ C1] ? nla_memcpy+0x56/0xb0
[ 716.680493][ C1] ? memcpy+0x3c/0x60
[ 716.680507][ C1] ? tcf_police_search+0x40/0x40
[ 716.680521][ C1] tcf_action_init_1+0x50f/0x7f0
[ 716.680537][ C1] ? tc_action_load_ops+0x550/0x550
[ 716.680551][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.680564][ C1] ? rcu_lock_release+0x5/0x20
[ 716.680585][ C1] tcf_action_init+0x2f3/0x750
[ 716.680601][ C1] ? tcf_action_init_1+0x7f0/0x7f0
[ 716.680623][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.680646][ C1] ? apparmor_capable+0x12e/0x190
[ 716.680662][ C1] ? __nla_parse+0x3c/0x50
[ 716.680677][ C1] tc_ctl_action+0x49b/0xd00
[ 716.680694][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.680707][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.680739][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.680753][ C1] rtnetlink_rcv_msg+0x993/0xee0
[ 716.680770][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.680785][ C1] ? rtnetlink_bind+0x80/0x80
[ 716.680800][ C1] ? stack_trace_save+0x1c0/0x1c0
[ 716.680815][ C1] ? __kernel_text_address+0x94/0x100
[ 716.680831][ C1] ? unwind_get_return_address+0x49/0x80
[ 716.680847][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.680860][ C1] ? arch_stack_walk+0xf3/0x140
[ 716.680876][ C1] ? mark_lock+0x98/0x340
[ 716.680890][ C1] ? mark_lock+0x98/0x340
[ 716.680904][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 716.680926][ C1] netlink_rcv_skb+0x1cf/0x410
[ 716.680944][ C1] ? rtnetlink_bind+0x80/0x80
[ 716.680959][ C1] ? netlink_ack+0xb10/0xb10
[ 716.680976][ C1] netlink_unicast+0x7b6/0x980
[ 716.680994][ C1] ? netlink_detachskb+0x90/0x90
[ 716.681009][ C1] ? __virt_addr_valid+0x39e/0x450
[ 716.681022][ C1] ? 0xffffffff81000000
[ 716.681032][ C1] ? __check_object_size+0x300/0x410
[ 716.681048][ C1] ? bpf_lsm_netlink_send+0x5/0x10
[ 716.681062][ C1] netlink_sendmsg+0xa30/0xd60
[ 716.681079][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.681093][ C1] ? aa_sock_msg_perm+0x91/0x150
[ 716.681108][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 716.681121][ C1] ? security_socket_sendmsg+0x7d/0xa0
[ 716.681134][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.681147][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 716.681163][ C1] ? iovec_from_user+0x300/0x390
[ 716.681180][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 716.681200][ C1] ___sys_sendmsg+0x252/0x2e0
[ 716.681217][ C1] ? __sys_sendmsg+0x260/0x260
[ 716.681232][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 716.681255][ C1] ? __context_tracking_enter+0x5f/0x90
[ 716.681271][ C1] ? __context_tracking_exit+0x4c/0x80
[ 716.681286][ C1] ? __fdget+0x158/0x220
[ 716.681302][ C1] __se_sys_sendmsg+0x19a/0x260
[ 716.681318][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 716.681336][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.681351][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 716.681367][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.681383][ C1] do_syscall_64+0x3b/0xb0
[ 716.681396][ C1] ? clear_bhb_loop+0x15/0x70
[ 716.681409][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 716.681423][ C1] RIP: 0033:0x7fae605e2df9
[ 716.681436][ 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
[ 716.681446][ C1] RSP: 002b:00007fff38c97298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 716.681459][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae605e2df9
[ 716.681469][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 716.681477][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 716.681485][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 716.681493][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 716.681505][ C1]
[ 716.681511][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.766 msecs
[ 716.694828][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.398480][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 717.406448][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 717.416488][ T27] Call Trace:
[ 717.419758][ T27]
[ 717.422677][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 717.427349][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 717.432973][ T27] ? panic+0x860/0x860
[ 717.437051][ T27] panic+0x318/0x860
[ 717.440940][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 717.446568][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.452715][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 717.457905][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.463967][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.470109][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 717.476253][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 717.482398][ T27] watchdog+0xeb0/0xeb0
[ 717.486554][ T27] kthread+0x3f6/0x4f0
[ 717.490611][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.495625][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.500205][ T27] ret_from_fork+0x1f/0x30
[ 717.504626][ T27]
[ 717.507814][ T27] Kernel Offset: disabled
[ 717.512128][ T27] Rebooting in 86400 seconds..