Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts.
executing program
[ 716.379552][ T27] INFO: task kworker/1:0:21 blocked for more than 143 seconds.
[ 716.387340][ T27] Not tainted 5.15.160-syzkaller #0
[ 716.393623][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.402531][ T27] task:kworker/1:0 state:D stack:24160 pid: 21 ppid: 2 flags:0x00004000
[ 716.412060][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.418332][ T27] Call Trace:
[ 716.421855][ T27]
[ 716.424788][ T27] __schedule+0x12c4/0x45b0
[ 716.429308][ T27] ? mark_lock+0x98/0x340
[ 716.433926][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.440069][ T27] ? release_firmware_map_entry+0x190/0x190
[ 716.445966][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 716.451636][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.456855][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.462315][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.467520][ T27] schedule+0x11b/0x1f0
[ 716.471894][ T27] schedule_preempt_disabled+0xf/0x20
[ 716.477265][ T27] __mutex_lock_common+0xe34/0x25a0
[ 716.482807][ T27] ? addrconf_verify_work+0xa/0x20
[ 716.487924][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 716.493375][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.499361][ T27] ? print_irqtrace_events+0x210/0x210
[ 716.505004][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.511063][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.516349][ T27] mutex_lock_nested+0x17/0x20
[ 716.521338][ T27] addrconf_verify_work+0xa/0x20
[ 716.526278][ T27] process_one_work+0x8a1/0x10c0
[ 716.531432][ T27] ? worker_detach_from_pool+0x260/0x260
[ 716.537066][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 716.542794][ T27] ? kthread_data+0x4e/0xc0
[ 716.547296][ T27] ? wq_worker_running+0x97/0x170
[ 716.552578][ T27] worker_thread+0xaca/0x1280
[ 716.557283][ T27] kthread+0x3f6/0x4f0
[ 716.561540][ T27] ? rcu_lock_release+0x20/0x20
[ 716.566391][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.571174][ T27] ret_from_fork+0x1f/0x30
[ 716.575607][ T27]
[ 716.578789][ T27]
[ 716.578789][ T27] Showing all locks held in the system:
[ 716.586783][ T27] 3 locks held by kworker/1:0/21:
[ 716.591986][ T27] #0: ffff88814ad00938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 716.603124][ T27] #1: ffffc90000db7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 716.613612][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 716.623171][ T27] 1 lock held by khungtaskd/27:
[ 716.628011][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 716.637577][ T27] 2 locks held by getty/3263:
[ 716.642451][ T27] #0: ffff888022f1a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.652386][ T27] #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 716.662633][ T27] 2 locks held by syz-executor831/3529:
[ 716.668249][ T27]
[ 716.670829][ T27] =============================================
[ 716.670829][ T27]
[ 716.679247][ T27] NMI backtrace for cpu 1
[ 716.683575][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 716.691545][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.701590][ T27] Call Trace:
[ 716.704864][ T27]
[ 716.707783][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 716.712458][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 716.718080][ T27] ? panic+0x860/0x860
[ 716.722147][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 716.727257][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 716.732195][ T27] ? __wake_up_klogd+0xd5/0x100
[ 716.737040][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.743180][ T27] ? _printk+0xd1/0x120
[ 716.747325][ T27] ? panic+0x860/0x860
[ 716.751382][ T27] ? __wake_up_klogd+0xcc/0x100
[ 716.756222][ T27] ? panic+0x860/0x860
[ 716.760282][ T27] ? __rcu_read_unlock+0x92/0x100
[ 716.765299][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.771352][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 716.777323][ T27] watchdog+0xe72/0xeb0
[ 716.781479][ T27] kthread+0x3f6/0x4f0
[ 716.785536][ T27] ? hungtask_pm_notify+0x50/0x50
[ 716.790547][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.795128][ T27] ret_from_fork+0x1f/0x30
[ 716.799549][ T27]
[ 716.802636][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 716.807932][ C0] NMI backtrace for cpu 0
[ 716.807941][ C0] CPU: 0 PID: 3529 Comm: syz-executor831 Not tainted 5.15.160-syzkaller #0
[ 716.807956][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.807963][ C0] RIP: 0010:validate_chain+0x141/0x5930
[ 716.807982][ C0] Code: 1b 5c 0e 72 25 48 c7 c0 c0 ff 3e 91 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 02 4c 00 00 83 3d 95 9a db 0f 00 0f 84 e2 03 00 00 <48> b8 eb 83 b5 80 46 86 c8 61 49 0f af c6 48 c1 e8 2f 48 8d 1c c5
[ 716.807993][ C0] RSP: 0018:ffffc90002e861c0 EFLAGS: 00000057
[ 716.808006][ C0] RAX: 0000000000000001 RBX: 000000000000066b RCX: ffffffff81636502
[ 716.808016][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fbf8188
[ 716.808025][ C0] RBP: ffffc90002e86470 R08: dffffc0000000000 R09: fffffbfff1f7f032
[ 716.808035][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 716.808044][ C0] R13: ffff8880139fa8f8 R14: dabdcd34e154df35 R15: ffff8880139fa8f8
[ 716.808055][ C0] FS: 00005555562b3380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 716.808068][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.808077][ C0] CR2: 00007fac48307580 CR3: 000000001aad9000 CR4: 00000000003506f0
[ 716.808090][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.808098][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.808106][ C0] Call Trace:
[ 716.808111][ C0]
[ 716.808116][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 716.808131][ C0] ? read_lock_is_recursive+0x10/0x10
[ 716.808145][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.808166][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 716.808180][ C0] ? nmi_handle+0xf7/0x370
[ 716.808195][ C0] ? validate_chain+0x141/0x5930
[ 716.808208][ C0] ? default_do_nmi+0x62/0x150
[ 716.808224][ C0] ? exc_nmi+0xa8/0x100
[ 716.808237][ C0] ? end_repeat_nmi+0x16/0x31
[ 716.808253][ C0] ? validate_chain+0x112/0x5930
[ 716.808266][ C0] ? validate_chain+0x141/0x5930
[ 716.808280][ C0] ? validate_chain+0x141/0x5930
[ 716.808294][ C0] ? validate_chain+0x141/0x5930
[ 716.808307][ C0]
[ 716.808311][ C0]
[ 716.808321][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.808335][ C0] ? print_irqtrace_events+0x210/0x210
[ 716.808349][ C0] ? reacquire_held_locks+0x660/0x660
[ 716.808362][ C0] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.808377][ C0] ? finish_lock_switch+0x8f/0x100
[ 716.808391][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 716.808406][ C0] ? finish_lock_switch+0x8f/0x100
[ 716.808421][ C0] ? mark_lock+0x98/0x340
[ 716.808433][ C0] ? __switch_to_asm+0x34/0x60
[ 716.808448][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.808464][ C0] ? mark_lock+0x98/0x340
[ 716.808477][ C0] __lock_acquire+0x1295/0x1ff0
[ 716.808496][ C0] lock_acquire+0x1db/0x4f0
[ 716.808508][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.808525][ C0] ? read_lock_is_recursive+0x10/0x10
[ 716.808539][ C0] ? __might_sleep+0xc0/0xc0
[ 716.808553][ C0] ? rcu_lock_release+0x20/0x20
[ 716.808569][ C0] ? tcf_idr_check_alloc+0x97/0x380
[ 716.808582][ C0] ? __lock_acquire+0x1ff0/0x1ff0
[ 716.808596][ C0] __mutex_lock_common+0x1da/0x25a0
[ 716.808612][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.808628][ C0] ? __mutex_unlock_slowpath+0x218/0x750
[ 716.808642][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.808656][ C0] ? mutex_lock_io_nested+0x60/0x60
[ 716.808671][ C0] ? radix_tree_lookup+0x59/0x280
[ 716.808690][ C0] ? radix_tree_lookup+0x86/0x280
[ 716.808704][ C0] ? radix_tree_lookup+0x234/0x280
[ 716.808718][ C0] mutex_lock_nested+0x17/0x20
[ 716.808733][ C0] tcf_idr_check_alloc+0xa1/0x380
[ 716.808748][ C0] tcf_police_init+0x294/0x17c0
[ 716.808761][ C0] ? netlink_rcv_skb+0x1cf/0x410
[ 716.808773][ C0] ? netlink_unicast+0x7b6/0x980
[ 716.808788][ C0] ? __se_sys_sendmsg+0x19a/0x260
[ 716.808808][ C0] ? tcf_police_search+0x40/0x40
[ 716.808829][ C0] ? tcf_action_init_1+0x226/0x7f0
[ 716.808842][ C0] ? nla_memcpy+0x56/0xb0
[ 716.808857][ C0] ? memcpy+0x3c/0x60
[ 716.808872][ C0] ? tcf_police_search+0x40/0x40
[ 716.808885][ C0] tcf_action_init_1+0x50f/0x7f0
[ 716.808902][ C0] ? tc_action_load_ops+0x550/0x550
[ 716.808915][ C0] ? read_lock_is_recursive+0x10/0x10
[ 716.808928][ C0] ? rcu_lock_release+0x5/0x20
[ 716.808949][ C0] tcf_action_init+0x2f3/0x750
[ 716.808965][ C0] ? tcf_action_init_1+0x7f0/0x7f0
[ 716.808987][ C0] ? reacquire_held_locks+0x660/0x660
[ 716.809010][ C0] ? apparmor_capable+0x12e/0x190
[ 716.809025][ C0] ? __nla_parse+0x3c/0x50
[ 716.809040][ C0] tc_ctl_action+0x49b/0xd00
[ 716.809057][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.809071][ C0] ? read_lock_is_recursive+0x10/0x10
[ 716.809103][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.809116][ C0] rtnetlink_rcv_msg+0x993/0xee0
[ 716.809132][ C0] ? reacquire_held_locks+0x660/0x660
[ 716.809148][ C0] ? rtnetlink_bind+0x80/0x80
[ 716.809163][ C0] ? stack_trace_save+0x1c0/0x1c0
[ 716.809178][ C0] ? __kernel_text_address+0x94/0x100
[ 716.809194][ C0] ? unwind_get_return_address+0x49/0x80
[ 716.809210][ C0] ? reacquire_held_locks+0x660/0x660
[ 716.809223][ C0] ? arch_stack_walk+0xf3/0x140
[ 716.809239][ C0] ? mark_lock+0x98/0x340
[ 716.809253][ C0] ? mark_lock+0x98/0x340
[ 716.809266][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 716.809289][ C0] netlink_rcv_skb+0x1cf/0x410
[ 716.809302][ C0] ? rtnetlink_bind+0x80/0x80
[ 716.809317][ C0] ? netlink_ack+0xb10/0xb10
[ 716.809334][ C0] netlink_unicast+0x7b6/0x980
[ 716.809352][ C0] ? netlink_detachskb+0x90/0x90
[ 716.809367][ C0] ? __virt_addr_valid+0x39e/0x450
[ 716.809380][ C0] ? 0xffffffff81000000
[ 716.809390][ C0] ? __check_object_size+0x300/0x410
[ 716.809406][ C0] ? bpf_lsm_netlink_send+0x5/0x10
[ 716.809421][ C0] netlink_sendmsg+0xa30/0xd60
[ 716.809440][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.809454][ C0] ? aa_sock_msg_perm+0x91/0x150
[ 716.809469][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 716.809481][ C0] ? security_socket_sendmsg+0x7d/0xa0
[ 716.809495][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.809509][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 716.809524][ C0] ? iovec_from_user+0x300/0x390
[ 716.809542][ C0] ? __sys_sendmsg_sock+0x30/0x30
[ 716.809562][ C0] ___sys_sendmsg+0x252/0x2e0
[ 716.809579][ C0] ? __sys_sendmsg+0x260/0x260
[ 716.809594][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 716.809617][ C0] ? __context_tracking_enter+0x5f/0x90
[ 716.809633][ C0] ? __context_tracking_exit+0x4c/0x80
[ 716.809648][ C0] ? __fdget+0x158/0x220
[ 716.809664][ C0] __se_sys_sendmsg+0x19a/0x260
[ 716.809685][ C0] ? __x64_sys_sendmsg+0x80/0x80
[ 716.809703][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.809718][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 716.809733][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.809750][ C0] do_syscall_64+0x3b/0xb0
[ 716.809762][ C0] ? clear_bhb_loop+0x15/0x70
[ 716.809776][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 716.809790][ C0] RIP: 0033:0x7fb92d454df9
[ 716.809803][ 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
[ 716.809814][ C0] RSP: 002b:00007fff56947b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 716.809827][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb92d454df9
[ 716.809837][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 716.809845][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 716.809853][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 716.809861][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 716.809874][ C0]
[ 716.809880][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.946 msecs
[ 716.810551][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.579978][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 717.587946][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 717.597988][ T27] Call Trace:
[ 717.601255][ T27]
[ 717.604174][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 717.608845][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 717.614465][ T27] ? panic+0x860/0x860
[ 717.618533][ T27] panic+0x318/0x860
[ 717.622426][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 717.628048][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.634192][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 717.639380][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.645438][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.651579][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 717.657721][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 717.663869][ T27] watchdog+0xeb0/0xeb0
[ 717.668024][ T27] kthread+0x3f6/0x4f0
[ 717.672082][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.677097][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.681678][ T27] ret_from_fork+0x1f/0x30
[ 717.686093][ T27]
[ 717.689307][ T27] Kernel Offset: disabled
[ 717.693623][ T27] Rebooting in 86400 seconds..