Warning: Permanently added '10.128.0.66' (ED25519) to the list of known hosts.
executing program
[ 573.153651][ T27] INFO: task kworker/1:0:21 blocked for more than 143 seconds.
[ 573.161396][ T27] Not tainted 5.15.160-syzkaller #0
[ 573.168982][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.177999][ T27] task:kworker/1:0 state:D stack:26144 pid: 21 ppid: 2 flags:0x00004000
[ 573.187584][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.194194][ T27] Call Trace:
[ 573.197489][ T27]
[ 573.200434][ T27] __schedule+0x12c4/0x45b0
[ 573.205429][ T27] ? mark_lock+0x98/0x340
[ 573.209784][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.216195][ T27] ? release_firmware_map_entry+0x190/0x190
[ 573.222202][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 573.228163][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.233396][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 573.239229][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 573.244800][ T27] schedule+0x11b/0x1f0
[ 573.248979][ T27] schedule_preempt_disabled+0xf/0x20
[ 573.254843][ T27] __mutex_lock_common+0xe34/0x25a0
[ 573.260074][ T27] ? addrconf_verify_work+0xa/0x20
[ 573.265577][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 573.270795][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.277199][ T27] ? print_irqtrace_events+0x210/0x210
[ 573.282673][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.288930][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.294470][ T27] mutex_lock_nested+0x17/0x20
[ 573.299263][ T27] addrconf_verify_work+0xa/0x20
[ 573.304539][ T27] process_one_work+0x8a1/0x10c0
[ 573.309512][ T27] ? worker_detach_from_pool+0x260/0x260
[ 573.315552][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 573.321125][ T27] ? kthread_data+0x4e/0xc0
[ 573.326015][ T27] ? wq_worker_running+0x97/0x170
[ 573.331060][ T27] worker_thread+0xaca/0x1280
[ 573.336212][ T27] kthread+0x3f6/0x4f0
[ 573.340305][ T27] ? rcu_lock_release+0x20/0x20
[ 573.345529][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.350139][ T27] ret_from_fork+0x1f/0x30
[ 573.355038][ T27]
[ 573.358316][ T27]
[ 573.358316][ T27] Showing all locks held in the system:
[ 573.366493][ T27] 3 locks held by kworker/1:0/21:
[ 573.371528][ T27] #0: ffff88814b445138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 573.382902][ T27] #1: ffffc90000db7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 573.393787][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 573.403244][ T27] 1 lock held by khungtaskd/27:
[ 573.408531][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 573.418322][ T27] 2 locks held by getty/3266:
[ 573.423015][ T27] #0: ffff8880243c2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 573.433243][ T27] #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 573.443653][ T27] 1 lock held by syz-executor275/3523:
[ 573.449126][ T27]
[ 573.451456][ T27] =============================================
[ 573.451456][ T27]
[ 573.460424][ T27] NMI backtrace for cpu 1
[ 573.464772][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 573.472767][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.482828][ T27] Call Trace:
[ 573.486114][ T27]
[ 573.489051][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.493755][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.499397][ T27] ? panic+0x860/0x860
[ 573.503477][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 573.508599][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 573.513544][ T27] ? __wake_up_klogd+0xd5/0x100
[ 573.518408][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.524655][ T27] ? _printk+0xd1/0x120
[ 573.528818][ T27] ? panic+0x860/0x860
[ 573.532938][ T27] ? __wake_up_klogd+0xcc/0x100
[ 573.538526][ T27] ? panic+0x860/0x860
[ 573.542629][ T27] ? __rcu_read_unlock+0x92/0x100
[ 573.547668][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.553749][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 573.559743][ T27] watchdog+0xe72/0xeb0
[ 573.563951][ T27] kthread+0x3f6/0x4f0
[ 573.568136][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.573359][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.578053][ T27] ret_from_fork+0x1f/0x30
[ 573.582506][ T27]
[ 573.585722][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 573.590985][ C0] NMI backtrace for cpu 0
[ 573.590995][ C0] CPU: 0 PID: 3523 Comm: syz-executor275 Not tainted 5.15.160-syzkaller #0
[ 573.591013][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.591022][ C0] RIP: 0010:mark_lock+0x10b/0x340
[ 573.591042][ C0] Code: 42 80 3c 28 00 74 08 48 89 df e8 40 11 67 00 41 bc 01 00 00 00 44 85 33 74 53 44 89 e0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 e8 6e 87 a2 02 85 c0 74 be 48 c7 c0 08 9a e4 8d 48 c1 e8 03
[ 573.591056][ C0] RSP: 0018:ffffc900030f6470 EFLAGS: 00000086
[ 573.591139][ C0] RAX: 0000000000000001 RBX: 1ffff110041cd51f RCX: ffffffff81631938
[ 573.591162][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fbf8188
[ 573.591173][ C0] RBP: 0000000000000002 R08: dffffc0000000000 R09: fffffbfff1f7f032
[ 573.591185][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[ 573.591197][ C0] R13: ffff888020e6a8a8 R14: 0000000000000001 R15: ffff888020e6a8f8
[ 573.591209][ C0] FS: 00005555569b0380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 573.591224][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.591235][ C0] CR2: 00007ffdd50d4d4c CR3: 0000000077561000 CR4: 00000000003506f0
[ 573.591249][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.591259][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.591269][ C0] Call Trace:
[ 573.591276][ C0]
[ 573.591284][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 573.591305][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.591323][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.591347][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 573.591365][ C0] ? nmi_handle+0xf7/0x370
[ 573.591382][ C0] ? mark_lock+0x10b/0x340
[ 573.591397][ C0] ? default_do_nmi+0x62/0x150
[ 573.591415][ C0] ? exc_nmi+0xa8/0x100
[ 573.591430][ C0] ? end_repeat_nmi+0x16/0x31
[ 573.591449][ C0] ? mark_lock+0x98/0x340
[ 573.591463][ C0] ? mark_lock+0x10b/0x340
[ 573.591478][ C0] ? mark_lock+0x10b/0x340
[ 573.591493][ C0] ? mark_lock+0x10b/0x340
[ 573.591507][ C0]
[ 573.591511][ C0]
[ 573.591516][ C0] __lock_acquire+0xc33/0x1ff0
[ 573.591537][ C0] lock_acquire+0x1db/0x4f0
[ 573.591551][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.591571][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.591588][ C0] ? __might_sleep+0xc0/0xc0
[ 573.591605][ C0] ? rcu_lock_release+0x20/0x20
[ 573.591624][ C0] ? tcf_idr_check_alloc+0x97/0x380
[ 573.591640][ C0] ? __lock_acquire+0x1ff0/0x1ff0
[ 573.591656][ C0] __mutex_lock_common+0x1da/0x25a0
[ 573.591674][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.591694][ C0] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.591711][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.591727][ C0] ? mutex_lock_io_nested+0x60/0x60
[ 573.591748][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.591764][ C0] ? radix_tree_lookup+0x234/0x280
[ 573.591782][ C0] mutex_lock_nested+0x17/0x20
[ 573.591798][ C0] tcf_idr_check_alloc+0xa1/0x380
[ 573.591816][ C0] tcf_police_init+0x294/0x17c0
[ 573.591839][ C0] ? netlink_rcv_skb+0x1cf/0x410
[ 573.591853][ C0] ? netlink_unicast+0x7b6/0x980
[ 573.591872][ C0] ? __se_sys_sendmsg+0x19a/0x260
[ 573.591895][ C0] ? tcf_police_search+0x40/0x40
[ 573.591920][ C0] ? tcf_action_init_1+0x226/0x7f0
[ 573.591936][ C0] ? nla_memcpy+0x56/0xb0
[ 573.591954][ C0] ? memcpy+0x3c/0x60
[ 573.591972][ C0] ? tcf_police_search+0x40/0x40
[ 573.591988][ C0] tcf_action_init_1+0x50f/0x7f0
[ 573.592008][ C0] ? tc_action_load_ops+0x550/0x550
[ 573.592024][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.592040][ C0] ? rcu_lock_release+0x5/0x20
[ 573.592065][ C0] tcf_action_init+0x2f3/0x750
[ 573.592084][ C0] ? tcf_action_init_1+0x7f0/0x7f0
[ 573.592112][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.592141][ C0] ? apparmor_capable+0x12e/0x190
[ 573.592159][ C0] ? __nla_parse+0x3c/0x50
[ 573.592177][ C0] tc_ctl_action+0x49b/0xd00
[ 573.592198][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.592214][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.592254][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.592270][ C0] rtnetlink_rcv_msg+0x993/0xee0
[ 573.592289][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.592309][ C0] ? rtnetlink_bind+0x80/0x80
[ 573.592327][ C0] ? stack_trace_save+0x1c0/0x1c0
[ 573.592345][ C0] ? __kernel_text_address+0x94/0x100
[ 573.592364][ C0] ? unwind_get_return_address+0x49/0x80
[ 573.592385][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.592401][ C0] ? arch_stack_walk+0xf3/0x140
[ 573.592421][ C0] ? mark_lock+0x98/0x340
[ 573.592438][ C0] ? mark_lock+0x98/0x340
[ 573.592455][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 573.592483][ C0] netlink_rcv_skb+0x1cf/0x410
[ 573.592500][ C0] ? rtnetlink_bind+0x80/0x80
[ 573.592518][ C0] ? netlink_ack+0xb10/0xb10
[ 573.592539][ C0] netlink_unicast+0x7b6/0x980
[ 573.592561][ C0] ? netlink_detachskb+0x90/0x90
[ 573.592580][ C0] ? __virt_addr_valid+0x39e/0x450
[ 573.592595][ C0] ? 0xffffffff81000000
[ 573.592607][ C0] ? __check_object_size+0x300/0x410
[ 573.592626][ C0] ? bpf_lsm_netlink_send+0x5/0x10
[ 573.592644][ C0] netlink_sendmsg+0xa30/0xd60
[ 573.592664][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.592680][ C0] ? aa_sock_msg_perm+0x91/0x150
[ 573.592698][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 573.592714][ C0] ? security_socket_sendmsg+0x7d/0xa0
[ 573.592730][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.592746][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 573.592765][ C0] ? iovec_from_user+0x300/0x390
[ 573.592786][ C0] ? __sys_sendmsg_sock+0x30/0x30
[ 573.592811][ C0] ___sys_sendmsg+0x252/0x2e0
[ 573.592840][ C0] ? __sys_sendmsg+0x260/0x260
[ 573.592859][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 573.592887][ C0] ? __context_tracking_enter+0x5f/0x90
[ 573.592907][ C0] ? __context_tracking_exit+0x4c/0x80
[ 573.592925][ C0] ? __fdget+0x158/0x220
[ 573.592944][ C0] __se_sys_sendmsg+0x19a/0x260
[ 573.592963][ C0] ? __x64_sys_sendmsg+0x80/0x80
[ 573.592985][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.593005][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 573.593023][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.593043][ C0] do_syscall_64+0x3b/0xb0
[ 573.593059][ C0] ? clear_bhb_loop+0x15/0x70
[ 573.593075][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.593093][ C0] RIP: 0033:0x7feac7335df9
[ 573.593111][ 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
[ 573.593124][ C0] RSP: 002b:00007ffe9a31fe78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.593144][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feac7335df9
[ 573.593155][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.593165][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.593174][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.593184][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.593199][ C0]
[ 573.593207][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.220 msecs
[ 573.610826][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.304044][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 574.312031][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 574.322095][ T27] Call Trace:
[ 574.325470][ T27]
[ 574.328406][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 574.333098][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 574.338743][ T27] ? panic+0x860/0x860
[ 574.342922][ T27] panic+0x318/0x860
[ 574.346826][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 574.352573][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.358749][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 574.363962][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 574.370065][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.376250][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 574.382442][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 574.388608][ T27] watchdog+0xeb0/0xeb0
[ 574.392787][ T27] kthread+0x3f6/0x4f0
[ 574.396862][ T27] ? hungtask_pm_notify+0x50/0x50
[ 574.401894][ T27] ? kthread_blkcg+0xd0/0xd0
[ 574.406493][ T27] ret_from_fork+0x1f/0x30
[ 574.410931][ T27]
[ 574.414168][ T27] Kernel Offset: disabled
[ 574.418518][ T27] Rebooting in 86400 seconds..