Warning: Permanently added '10.128.10.20' (ED25519) to the list of known hosts.
executing program
[ 573.150238][ T27] INFO: task kworker/0:0:7 blocked for more than 143 seconds.
[ 573.157854][ T27] Not tainted 5.15.160-syzkaller #0
[ 573.164512][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.173502][ T27] task:kworker/0:0 state:D stack:24696 pid: 7 ppid: 2 flags:0x00004000
[ 573.182977][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.189259][ T27] Call Trace:
[ 573.192979][ T27]
[ 573.195915][ T27] __schedule+0x12c4/0x45b0
[ 573.200763][ T27] ? mark_lock+0x98/0x340
[ 573.205102][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.211511][ T27] ? release_firmware_map_entry+0x190/0x190
[ 573.217411][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 573.223238][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.228445][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 573.233999][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 573.239206][ T27] schedule+0x11b/0x1f0
[ 573.243756][ T27] schedule_preempt_disabled+0xf/0x20
[ 573.249132][ T27] __mutex_lock_common+0xe34/0x25a0
[ 573.254721][ T27] ? addrconf_verify_work+0xa/0x20
[ 573.259837][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 573.265340][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.271588][ T27] ? print_irqtrace_events+0x210/0x210
[ 573.277051][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.283313][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.288525][ T27] mutex_lock_nested+0x17/0x20
[ 573.293655][ T27] addrconf_verify_work+0xa/0x20
[ 573.298598][ T27] process_one_work+0x8a1/0x10c0
[ 573.303869][ T27] ? worker_detach_from_pool+0x260/0x260
[ 573.309510][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 573.315431][ T27] ? kthread_data+0x4e/0xc0
[ 573.319940][ T27] ? wq_worker_running+0x97/0x170
[ 573.325255][ T27] worker_thread+0xaca/0x1280
[ 573.330052][ T27] kthread+0x3f6/0x4f0
[ 573.334488][ T27] ? rcu_lock_release+0x20/0x20
[ 573.339343][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.344253][ T27] ret_from_fork+0x1f/0x30
[ 573.348688][ T27]
[ 573.352185][ T27]
[ 573.352185][ T27] Showing all locks held in the system:
[ 573.359906][ T27] 3 locks held by kworker/0:0/7:
[ 573.365402][ T27] #0: ffff888023087138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 573.376709][ T27] #1: ffffc90000cc7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 573.387243][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 573.397027][ T27] 1 lock held by khungtaskd/27:
[ 573.402081][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 573.411684][ T27] 2 locks held by getty/3263:
[ 573.416358][ T27] #0: ffff8880228db098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 573.426466][ T27] #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 573.436847][ T27] 1 lock held by syz-executor284/3529:
[ 573.442620][ T27]
[ 573.444945][ T27] =============================================
[ 573.444945][ T27]
[ 573.453826][ T27] NMI backtrace for cpu 0
[ 573.458155][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 573.466120][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.476161][ T27] Call Trace:
[ 573.479430][ T27]
[ 573.482366][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.487044][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.492669][ T27] ? panic+0x860/0x860
[ 573.496742][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 573.501851][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 573.506779][ T27] ? __wake_up_klogd+0xd5/0x100
[ 573.511629][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.517774][ T27] ? _printk+0xd1/0x120
[ 573.521924][ T27] ? panic+0x860/0x860
[ 573.525988][ T27] ? __wake_up_klogd+0xcc/0x100
[ 573.530835][ T27] ? panic+0x860/0x860
[ 573.534901][ T27] ? __rcu_read_unlock+0x92/0x100
[ 573.539916][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.545976][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 573.551954][ T27] watchdog+0xe72/0xeb0
[ 573.556114][ T27] kthread+0x3f6/0x4f0
[ 573.560176][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.565192][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.569895][ T27] ret_from_fork+0x1f/0x30
[ 573.574337][ T27]
[ 573.577521][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 573.582761][ C1] NMI backtrace for cpu 1
[ 573.582772][ C1] CPU: 1 PID: 3529 Comm: syz-executor284 Not tainted 5.15.160-syzkaller #0
[ 573.582791][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.582799][ C1] RIP: 0010:memset_erms+0xb/0x10
[ 573.582819][ C1] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
[ 573.582830][ C1] RSP: 0018:ffffc90002dc66b8 EFLAGS: 00000202
[ 573.582843][ C1] RAX: 1ffff920005b8c00 RBX: dffffc0000000000 RCX: 0000000000000000
[ 573.582854][ C1] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90002dc67a8
[ 573.582863][ C1] RBP: ffffc90002dc6838 R08: dffffc0000000000 R09: ffffc90002dc6780
[ 573.582873][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 573.582882][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 573.582890][ C1] FS: 0000555556c38380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 573.582903][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.582913][ C1] CR2: 000055bf4d60d600 CR3: 000000001ed2e000 CR4: 00000000003506e0
[ 573.582926][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.582933][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.582942][ C1] Call Trace:
[ 573.582946][ C1]
[ 573.582952][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 573.582968][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.582984][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.582999][ C1] ? unknown_nmi_error+0xd0/0xd0
[ 573.583020][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 573.583035][ C1] ? nmi_handle+0xf7/0x370
[ 573.583049][ C1] ? memset_erms+0xb/0x10
[ 573.583062][ C1] ? default_do_nmi+0x62/0x150
[ 573.583078][ C1] ? exc_nmi+0xa8/0x100
[ 573.583092][ C1] ? end_repeat_nmi+0x16/0x31
[ 573.583110][ C1] ? memset_erms+0xb/0x10
[ 573.583124][ C1] ? memset_erms+0xb/0x10
[ 573.583138][ C1] ? memset_erms+0xb/0x10
[ 573.583152][ C1]
[ 573.583156][ C1]
[ 573.583160][ C1] __mutex_lock_common+0xb4/0x25a0
[ 573.583180][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.583195][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.583209][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 573.583225][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 573.583242][ C1] ? __sanitizer_cov_trace_cmp8+0x80/0x80
[ 573.583259][ C1] ? radix_tree_lookup+0x234/0x280
[ 573.583274][ C1] mutex_lock_nested+0x17/0x20
[ 573.583288][ C1] tcf_idr_check_alloc+0xa1/0x380
[ 573.583304][ C1] tcf_police_init+0x294/0x17c0
[ 573.583317][ C1] ? netlink_rcv_skb+0x1cf/0x410
[ 573.583329][ C1] ? netlink_unicast+0x7b6/0x980
[ 573.583345][ C1] ? __se_sys_sendmsg+0x19a/0x260
[ 573.583366][ C1] ? tcf_police_search+0x40/0x40
[ 573.583389][ C1] ? tcf_action_init_1+0x226/0x7f0
[ 573.583402][ C1] ? nla_memcpy+0x56/0xb0
[ 573.583418][ C1] ? memcpy+0x3c/0x60
[ 573.583433][ C1] ? tcf_police_search+0x40/0x40
[ 573.583446][ C1] tcf_action_init_1+0x50f/0x7f0
[ 573.583464][ C1] ? tc_action_load_ops+0x550/0x550
[ 573.583478][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.583492][ C1] ? rcu_lock_release+0x5/0x20
[ 573.583515][ C1] tcf_action_init+0x2f3/0x750
[ 573.583532][ C1] ? tcf_action_init_1+0x7f0/0x7f0
[ 573.583558][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.583585][ C1] ? apparmor_capable+0x12e/0x190
[ 573.583601][ C1] ? __nla_parse+0x3c/0x50
[ 573.583617][ C1] tc_ctl_action+0x49b/0xd00
[ 573.583640][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.583654][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.583692][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.583707][ C1] rtnetlink_rcv_msg+0x993/0xee0
[ 573.583723][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.583740][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.583755][ C1] ? stack_trace_save+0x1c0/0x1c0
[ 573.583770][ C1] ? __kernel_text_address+0x94/0x100
[ 573.583788][ C1] ? unwind_get_return_address+0x49/0x80
[ 573.583804][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.583817][ C1] ? arch_stack_walk+0xf3/0x140
[ 573.583833][ C1] ? mark_lock+0x98/0x340
[ 573.583848][ C1] ? mark_lock+0x98/0x340
[ 573.583862][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.583888][ C1] netlink_rcv_skb+0x1cf/0x410
[ 573.583902][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.583917][ C1] ? netlink_ack+0xb10/0xb10
[ 573.583937][ C1] netlink_unicast+0x7b6/0x980
[ 573.583956][ C1] ? netlink_detachskb+0x90/0x90
[ 573.583971][ C1] ? __virt_addr_valid+0x39e/0x450
[ 573.583984][ C1] ? 0xffffffff81000000
[ 573.583994][ C1] ? __check_object_size+0x300/0x410
[ 573.584011][ C1] ? bpf_lsm_netlink_send+0x5/0x10
[ 573.584026][ C1] netlink_sendmsg+0xa30/0xd60
[ 573.584044][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.584058][ C1] ? aa_sock_msg_perm+0x91/0x150
[ 573.584074][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 573.584087][ C1] ? security_socket_sendmsg+0x7d/0xa0
[ 573.584100][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.584113][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 573.584128][ C1] ? iovec_from_user+0x300/0x390
[ 573.584146][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 573.584168][ C1] ___sys_sendmsg+0x252/0x2e0
[ 573.584185][ C1] ? __sys_sendmsg+0x260/0x260
[ 573.584202][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.584227][ C1] ? __context_tracking_enter+0x5f/0x90
[ 573.584244][ C1] ? __context_tracking_exit+0x4c/0x80
[ 573.584260][ C1] ? __fdget+0x158/0x220
[ 573.584276][ C1] __se_sys_sendmsg+0x19a/0x260
[ 573.584292][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 573.584311][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.584327][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 573.584342][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.584359][ C1] do_syscall_64+0x3b/0xb0
[ 573.584372][ C1] ? clear_bhb_loop+0x15/0x70
[ 573.584385][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.584400][ C1] RIP: 0033:0x7f6e7cf9cdf9
[ 573.584413][ 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
[ 573.584424][ C1] RSP: 002b:00007ffebc5cfc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.584438][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e7cf9cdf9
[ 573.584448][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.584456][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.584464][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.584472][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.584487][ C1]
[ 573.584492][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.731 msecs
[ 573.601995][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.260259][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 574.268321][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 574.278368][ T27] Call Trace:
[ 574.281648][ T27]
[ 574.284575][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 574.289249][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 574.294880][ T27] ? panic+0x860/0x860
[ 574.298952][ T27] panic+0x318/0x860
[ 574.302844][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 574.308472][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.314622][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 574.319822][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 574.325887][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.332038][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 574.338191][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 574.344428][ T27] watchdog+0xeb0/0xeb0
[ 574.348592][ T27] kthread+0x3f6/0x4f0
[ 574.352654][ T27] ? hungtask_pm_notify+0x50/0x50
[ 574.357684][ T27] ? kthread_blkcg+0xd0/0xd0
[ 574.362270][ T27] ret_from_fork+0x1f/0x30
[ 574.366724][ T27]
[ 574.369840][ T27] Kernel Offset: disabled
[ 574.374162][ T27] Rebooting in 86400 seconds..