Warning: Permanently added '10.128.1.197' (ED25519) to the list of known hosts.
executing program
[ 716.365215][ T27] INFO: task kworker/1:2:1065 blocked for more than 143 seconds.
[ 716.373178][ T27] Not tainted 5.15.160-syzkaller #0
[ 716.379948][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.388928][ T27] task:kworker/1:2 state:D stack:25248 pid: 1065 ppid: 2 flags:0x00004000
[ 716.398378][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.404646][ T27] Call Trace:
[ 716.408276][ T27]
[ 716.411211][ T27] __schedule+0x12c4/0x45b0
[ 716.416024][ T27] ? mark_lock+0x98/0x340
[ 716.420361][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.426683][ T27] ? release_firmware_map_entry+0x190/0x190
[ 716.432577][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 716.438358][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.443558][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.449151][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.454355][ T27] schedule+0x11b/0x1f0
[ 716.458801][ T27] schedule_preempt_disabled+0xf/0x20
[ 716.464170][ T27] __mutex_lock_common+0xe34/0x25a0
[ 716.469729][ T27] ? addrconf_verify_work+0xa/0x20
[ 716.474844][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 716.480333][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.486619][ T27] ? print_irqtrace_events+0x210/0x210
[ 716.492078][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.498274][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.503482][ T27] mutex_lock_nested+0x17/0x20
[ 716.508620][ T27] addrconf_verify_work+0xa/0x20
[ 716.513557][ T27] process_one_work+0x8a1/0x10c0
[ 716.518838][ T27] ? worker_detach_from_pool+0x260/0x260
[ 716.524476][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 716.530425][ T27] ? kthread_data+0x4e/0xc0
[ 716.534936][ T27] ? wq_worker_running+0x97/0x170
[ 716.540257][ T27] worker_thread+0xaca/0x1280
[ 716.544936][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.551334][ T27] kthread+0x3f6/0x4f0
[ 716.555667][ T27] ? rcu_lock_release+0x20/0x20
[ 716.560517][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.565430][ T27] ret_from_fork+0x1f/0x30
[ 716.569864][ T27]
[ 716.572986][ T27]
[ 716.572986][ T27] Showing all locks held in the system:
[ 716.581197][ T27] 1 lock held by khungtaskd/27:
[ 716.586296][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 716.595842][ T27] 3 locks held by kworker/1:2/1065:
[ 716.601035][ T27] #0: ffff888022f2a138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 716.612343][ T27] #1: ffffc90004917d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 716.622842][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 716.632486][ T27] 2 locks held by getty/3258:
[ 716.637364][ T27] #0: ffff8880241ed098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.647329][ T27] #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 716.657669][ T27] 1 lock held by syz-executor284/3530:
[ 716.663124][ T27]
[ 716.665747][ T27] =============================================
[ 716.665747][ T27]
[ 716.674161][ T27] NMI backtrace for cpu 0
[ 716.678489][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 716.686454][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.696498][ T27] Call Trace:
[ 716.699771][ T27]
[ 716.702693][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 716.707370][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 716.712997][ T27] ? panic+0x860/0x860
[ 716.717069][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 716.722176][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 716.727105][ T27] ? __wake_up_klogd+0xd5/0x100
[ 716.731954][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.738097][ T27] ? _printk+0xd1/0x120
[ 716.742249][ T27] ? panic+0x860/0x860
[ 716.746308][ T27] ? __wake_up_klogd+0xcc/0x100
[ 716.751150][ T27] ? panic+0x860/0x860
[ 716.755216][ T27] ? __rcu_read_unlock+0x92/0x100
[ 716.760320][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.766379][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 716.772358][ T27] watchdog+0xe72/0xeb0
[ 716.776516][ T27] kthread+0x3f6/0x4f0
[ 716.780578][ T27] ? hungtask_pm_notify+0x50/0x50
[ 716.785608][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.790188][ T27] ret_from_fork+0x1f/0x30
[ 716.794609][ T27]
[ 716.797728][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 716.803034][ C1] NMI backtrace for cpu 1
[ 716.803043][ C1] CPU: 1 PID: 3530 Comm: syz-executor284 Not tainted 5.15.160-syzkaller #0
[ 716.803058][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.803066][ C1] RIP: 0010:__mutex_unlock_slowpath+0x736/0x750
[ 716.803087][ C1] Code: 00 41 c7 44 05 0a 00 00 00 00 66 41 c7 44 05 0e 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 c0 00 00 00 75 0f 48 8d 65 d8 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 e8 2b 8d f7 ff 66 2e 0f 1f 84 00 00
[ 716.803098][ C1] RSP: 0018:ffffc90002f86828 EFLAGS: 00000246
[ 716.803111][ C1] RAX: 7679185cee812900 RBX: 0000000000000001 RCX: ffffffff8a265b48
[ 716.803121][ C1] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90002f867e0
[ 716.803130][ C1] RBP: ffffc90002f86848 R08: dffffc0000000000 R09: fffff520005f0cfd
[ 716.803141][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff227dff8
[ 716.803150][ C1] R13: dffffc0000000000 R14: ffff8880229a3200 R15: 1ffff920005f0cfc
[ 716.803161][ C1] FS: 00005555560d0380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 716.803173][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.803183][ C1] CR2: 0000558876946600 CR3: 000000007dfa1000 CR4: 00000000003506e0
[ 716.803196][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.803203][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.803212][ C1] Call Trace:
[ 716.803217][ C1]
[ 716.803222][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 716.803238][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.803254][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.803269][ C1] ? unknown_nmi_error+0xd0/0xd0
[ 716.803290][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 716.803305][ C1] ? nmi_handle+0xf7/0x370
[ 716.803320][ C1] ? __mutex_unlock_slowpath+0x736/0x750
[ 716.803334][ C1] ? default_do_nmi+0x62/0x150
[ 716.803350][ C1] ? exc_nmi+0xa8/0x100
[ 716.803364][ C1] ? end_repeat_nmi+0x16/0x31
[ 716.803380][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 716.803396][ C1] ? __mutex_unlock_slowpath+0x736/0x750
[ 716.803411][ C1] ? __mutex_unlock_slowpath+0x736/0x750
[ 716.803427][ C1] ? __mutex_unlock_slowpath+0x736/0x750
[ 716.803442][ C1]
[ 716.803446][ C1]
[ 716.803452][ C1] tcf_idr_check_alloc+0x97/0x380
[ 716.803469][ C1] tcf_police_init+0x294/0x17c0
[ 716.803483][ C1] ? netlink_rcv_skb+0x1cf/0x410
[ 716.803495][ C1] ? netlink_unicast+0x7b6/0x980
[ 716.803511][ C1] ? __se_sys_sendmsg+0x19a/0x260
[ 716.803532][ C1] ? tcf_police_search+0x40/0x40
[ 716.803556][ C1] ? tcf_action_init_1+0x226/0x7f0
[ 716.803569][ C1] ? nla_memcpy+0x56/0xb0
[ 716.803584][ C1] ? memcpy+0x3c/0x60
[ 716.803599][ C1] ? tcf_police_search+0x40/0x40
[ 716.803613][ C1] tcf_action_init_1+0x50f/0x7f0
[ 716.803631][ C1] ? tc_action_load_ops+0x550/0x550
[ 716.803645][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.803658][ C1] ? rcu_lock_release+0x5/0x20
[ 716.803682][ C1] tcf_action_init+0x2f3/0x750
[ 716.803699][ C1] ? tcf_action_init_1+0x7f0/0x7f0
[ 716.803725][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.803751][ C1] ? apparmor_capable+0x12e/0x190
[ 716.803776][ C1] ? __nla_parse+0x3c/0x50
[ 716.803791][ C1] tc_ctl_action+0x49b/0xd00
[ 716.803809][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.803823][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.803862][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.803876][ C1] rtnetlink_rcv_msg+0x993/0xee0
[ 716.803893][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.803909][ C1] ? rtnetlink_bind+0x80/0x80
[ 716.803924][ C1] ? stack_trace_save+0x1c0/0x1c0
[ 716.803939][ C1] ? __kernel_text_address+0x94/0x100
[ 716.803956][ C1] ? unwind_get_return_address+0x49/0x80
[ 716.803972][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.803985][ C1] ? arch_stack_walk+0xf3/0x140
[ 716.804001][ C1] ? mark_lock+0x98/0x340
[ 716.804016][ C1] ? mark_lock+0x98/0x340
[ 716.804031][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 716.804057][ C1] netlink_rcv_skb+0x1cf/0x410
[ 716.804071][ C1] ? rtnetlink_bind+0x80/0x80
[ 716.804086][ C1] ? netlink_ack+0xb10/0xb10
[ 716.804105][ C1] netlink_unicast+0x7b6/0x980
[ 716.804124][ C1] ? netlink_detachskb+0x90/0x90
[ 716.804139][ C1] ? __virt_addr_valid+0x39e/0x450
[ 716.804152][ C1] ? 0xffffffff81000000
[ 716.804162][ C1] ? __check_object_size+0x300/0x410
[ 716.804178][ C1] ? bpf_lsm_netlink_send+0x5/0x10
[ 716.804193][ C1] netlink_sendmsg+0xa30/0xd60
[ 716.804211][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.804225][ C1] ? aa_sock_msg_perm+0x91/0x150
[ 716.804241][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 716.804254][ C1] ? security_socket_sendmsg+0x7d/0xa0
[ 716.804267][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.804281][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 716.804296][ C1] ? iovec_from_user+0x300/0x390
[ 716.804314][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 716.804336][ C1] ___sys_sendmsg+0x252/0x2e0
[ 716.804353][ C1] ? __sys_sendmsg+0x260/0x260
[ 716.804369][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 716.804395][ C1] ? __context_tracking_enter+0x5f/0x90
[ 716.804411][ C1] ? __context_tracking_exit+0x4c/0x80
[ 716.804427][ C1] ? __fdget+0x158/0x220
[ 716.804443][ C1] __se_sys_sendmsg+0x19a/0x260
[ 716.804460][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 716.804479][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.804494][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 716.804510][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.804527][ C1] do_syscall_64+0x3b/0xb0
[ 716.804540][ C1] ? clear_bhb_loop+0x15/0x70
[ 716.804553][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 716.804567][ C1] RIP: 0033:0x7f8d5c82fdf9
[ 716.804580][ 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
[ 716.804590][ C1] RSP: 002b:00007ffd891ba718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 716.804604][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d5c82fdf9
[ 716.804614][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 716.804622][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 716.804629][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 716.804638][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 716.804652][ C1]
[ 716.804658][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.623 msecs
[ 717.436313][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.443239][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 717.451215][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 717.461256][ T27] Call Trace:
[ 717.464525][ T27]
[ 717.467447][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 717.472122][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 717.477746][ T27] ? panic+0x860/0x860
[ 717.481820][ T27] panic+0x318/0x860
[ 717.485794][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 717.491421][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.497569][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 717.502763][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.508825][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.514972][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 717.521121][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 717.527361][ T27] watchdog+0xeb0/0xeb0
[ 717.531524][ T27] kthread+0x3f6/0x4f0
[ 717.535597][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.540619][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.545209][ T27] ret_from_fork+0x1f/0x30
[ 717.549636][ T27]
[ 717.552888][ T27] Kernel Offset: disabled
[ 717.557211][ T27] Rebooting in 86400 seconds..