Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts.
executing program
[ 573.017595][ T27] INFO: task kworker/1:2:2923 blocked for more than 143 seconds.
[ 573.025487][ T27] Not tainted 5.15.160-syzkaller #0
[ 573.032150][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.041132][ T27] task:kworker/1:2 state:D stack:27672 pid: 2923 ppid: 2 flags:0x00004000
[ 573.050600][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.056874][ T27] Call Trace:
[ 573.060523][ T27]
[ 573.063453][ T27] __schedule+0x12c4/0x45b0
[ 573.068275][ T27] ? mark_lock+0x98/0x340
[ 573.072606][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.078981][ T27] ? release_firmware_map_entry+0x190/0x190
[ 573.084875][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 573.090717][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.095919][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 573.101453][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 573.106653][ T27] schedule+0x11b/0x1f0
[ 573.111101][ T27] schedule_preempt_disabled+0xf/0x20
[ 573.116468][ T27] __mutex_lock_common+0xe34/0x25a0
[ 573.122003][ T27] ? addrconf_verify_work+0xa/0x20
[ 573.127112][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 573.132595][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.138836][ T27] ? print_irqtrace_events+0x210/0x210
[ 573.144291][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.150563][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.155768][ T27] mutex_lock_nested+0x17/0x20
[ 573.161038][ T27] addrconf_verify_work+0xa/0x20
[ 573.165983][ T27] process_one_work+0x8a1/0x10c0
[ 573.171231][ T27] ? worker_detach_from_pool+0x260/0x260
[ 573.176867][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 573.182755][ T27] ? kthread_data+0x4e/0xc0
[ 573.187259][ T27] ? wq_worker_running+0x97/0x170
[ 573.192609][ T27] worker_thread+0xaca/0x1280
[ 573.197291][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.203549][ T27] kthread+0x3f6/0x4f0
[ 573.207836][ T27] ? rcu_lock_release+0x20/0x20
[ 573.212686][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.217270][ T27] ret_from_fork+0x1f/0x30
[ 573.222127][ T27]
[ 573.225201][ T27]
[ 573.225201][ T27] Showing all locks held in the system:
[ 573.233305][ T27] 1 lock held by khungtaskd/27:
[ 573.238421][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 573.247996][ T27] 3 locks held by kworker/1:2/2923:
[ 573.253186][ T27] #0: ffff888023eba538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 573.264502][ T27] #1: ffffc9000b4d7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 573.275062][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 573.284745][ T27] 2 locks held by getty/3257:
[ 573.289624][ T27] #0: ffff888024c1f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 573.299620][ T27] #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 573.309991][ T27] 1 lock held by syz-executor132/3524:
[ 573.315446][ T27]
[ 573.318067][ T27] =============================================
[ 573.318067][ T27]
[ 573.326565][ T27] NMI backtrace for cpu 0
[ 573.330895][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 573.338863][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.348907][ T27] Call Trace:
[ 573.352187][ T27]
[ 573.355106][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.359781][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.365405][ T27] ? panic+0x860/0x860
[ 573.369473][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 573.374581][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 573.379509][ T27] ? __wake_up_klogd+0xd5/0x100
[ 573.384360][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.390506][ T27] ? _printk+0xd1/0x120
[ 573.394657][ T27] ? panic+0x860/0x860
[ 573.398718][ T27] ? __wake_up_klogd+0xcc/0x100
[ 573.403559][ T27] ? panic+0x860/0x860
[ 573.407634][ T27] ? __rcu_read_unlock+0x92/0x100
[ 573.412658][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.418716][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 573.424692][ T27] watchdog+0xe72/0xeb0
[ 573.428856][ T27] kthread+0x3f6/0x4f0
[ 573.432916][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.437929][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.442510][ T27] ret_from_fork+0x1f/0x30
[ 573.446932][ T27]
[ 573.450044][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 573.455338][ C1] NMI backtrace for cpu 1
[ 573.455347][ C1] CPU: 1 PID: 3524 Comm: syz-executor132 Not tainted 5.15.160-syzkaller #0
[ 573.455362][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.455370][ C1] RIP: 0010:validate_chain+0x11/0x5930
[ 573.455387][ C1] Code: 9a e4 8d e8 e1 c6 66 00 eb 84 e8 ba 89 ba 08 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 <48> 81 ec 80 02 00 00 49 89 ce 89 54 24 58 48 89 7c 24 70 65 48 8b
[ 573.455399][ C1] RSP: 0018:ffffc9000172e440 EFLAGS: 00000082
[ 573.455412][ C1] RAX: 1ffffffff1f275c0 RBX: ffffffff8f93ae00 RCX: ba374a1f972cb1d4
[ 573.455423][ C1] RDX: 0000000000000000 RSI: ffff888078fde458 RDI: ffff888078fdd940
[ 573.455433][ C1] RBP: ffffc9000172e470 R08: dffffc0000000000 R09: fffffbfff1f7f032
[ 573.455443][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[ 573.455452][ C1] R13: ffff888078fde428 R14: ffff888078fdd940 R15: ffff888078fde478
[ 573.455462][ C1] FS: 00005555564ac380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 573.455474][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.455484][ C1] CR2: 00005555564b56f8 CR3: 000000007e5cb000 CR4: 00000000003506e0
[ 573.455496][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.455504][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.455513][ C1] Call Trace:
[ 573.455517][ C1]
[ 573.455523][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 573.455538][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.455552][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.455573][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 573.455587][ C1] ? nmi_handle+0xf7/0x370
[ 573.455602][ C1] ? validate_chain+0x11/0x5930
[ 573.455615][ C1] ? default_do_nmi+0x62/0x150
[ 573.455630][ C1] ? exc_nmi+0xa8/0x100
[ 573.455643][ C1] ? end_repeat_nmi+0x16/0x31
[ 573.455660][ C1] ? validate_chain+0x11/0x5930
[ 573.455674][ C1] ? validate_chain+0x11/0x5930
[ 573.455688][ C1] ? validate_chain+0x11/0x5930
[ 573.455701][ C1]
[ 573.455705][ C1]
[ 573.455710][ C1] __lock_acquire+0x1295/0x1ff0
[ 573.455728][ C1] lock_acquire+0x1db/0x4f0
[ 573.455741][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.455758][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.455772][ C1] ? __might_sleep+0xc0/0xc0
[ 573.455787][ C1] ? rcu_lock_release+0x20/0x20
[ 573.455802][ C1] ? tcf_idr_check_alloc+0x97/0x380
[ 573.455815][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 573.455829][ C1] ? __lock_acquire+0x1ff0/0x1ff0
[ 573.455843][ C1] __mutex_lock_common+0x1da/0x25a0
[ 573.455858][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.455874][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.455893][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.455906][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 573.455921][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 573.455937][ C1] ? radix_tree_lookup+0x15d/0x280
[ 573.455951][ C1] ? tcf_idr_check_alloc+0x97/0x380
[ 573.455964][ C1] ? radix_tree_lookup+0x234/0x280
[ 573.455979][ C1] mutex_lock_nested+0x17/0x20
[ 573.455993][ C1] tcf_idr_check_alloc+0xa1/0x380
[ 573.456008][ C1] tcf_police_init+0x294/0x17c0
[ 573.456021][ C1] ? netlink_rcv_skb+0x1cf/0x410
[ 573.456033][ C1] ? netlink_unicast+0x7b6/0x980
[ 573.456048][ C1] ? __se_sys_sendmsg+0x19a/0x260
[ 573.456068][ C1] ? tcf_police_search+0x40/0x40
[ 573.456089][ C1] ? tcf_action_init_1+0x226/0x7f0
[ 573.456102][ C1] ? nla_memcpy+0x56/0xb0
[ 573.456117][ C1] ? memcpy+0x3c/0x60
[ 573.456132][ C1] ? tcf_police_search+0x40/0x40
[ 573.456145][ C1] tcf_action_init_1+0x50f/0x7f0
[ 573.456162][ C1] ? tc_action_load_ops+0x550/0x550
[ 573.456176][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.456189][ C1] ? rcu_lock_release+0x5/0x20
[ 573.456209][ C1] tcf_action_init+0x2f3/0x750
[ 573.456225][ C1] ? tcf_action_init_1+0x7f0/0x7f0
[ 573.456247][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.456270][ C1] ? apparmor_capable+0x12e/0x190
[ 573.456286][ C1] ? __nla_parse+0x3c/0x50
[ 573.456301][ C1] tc_ctl_action+0x49b/0xd00
[ 573.456318][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.456332][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.456363][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.456377][ C1] rtnetlink_rcv_msg+0x993/0xee0
[ 573.456393][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.456409][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.456424][ C1] ? stack_trace_save+0x1c0/0x1c0
[ 573.456438][ C1] ? __kernel_text_address+0x94/0x100
[ 573.456454][ C1] ? unwind_get_return_address+0x49/0x80
[ 573.456470][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.456483][ C1] ? arch_stack_walk+0xf3/0x140
[ 573.456498][ C1] ? mark_lock+0x98/0x340
[ 573.456513][ C1] ? mark_lock+0x98/0x340
[ 573.456526][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.456548][ C1] netlink_rcv_skb+0x1cf/0x410
[ 573.456562][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.456577][ C1] ? netlink_ack+0xb10/0xb10
[ 573.456594][ C1] netlink_unicast+0x7b6/0x980
[ 573.456612][ C1] ? netlink_detachskb+0x90/0x90
[ 573.456626][ C1] ? __virt_addr_valid+0x39e/0x450
[ 573.456639][ C1] ? 0xffffffff81000000
[ 573.456649][ C1] ? __check_object_size+0x300/0x410
[ 573.456665][ C1] ? bpf_lsm_netlink_send+0x5/0x10
[ 573.456679][ C1] netlink_sendmsg+0xa30/0xd60
[ 573.456696][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.456710][ C1] ? aa_sock_msg_perm+0x91/0x150
[ 573.456725][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 573.456738][ C1] ? security_socket_sendmsg+0x7d/0xa0
[ 573.456752][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.456765][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 573.456780][ C1] ? iovec_from_user+0x300/0x390
[ 573.456798][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 573.456817][ C1] ___sys_sendmsg+0x252/0x2e0
[ 573.456834][ C1] ? __sys_sendmsg+0x260/0x260
[ 573.456850][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.456872][ C1] ? __context_tracking_enter+0x5f/0x90
[ 573.456891][ C1] ? __context_tracking_exit+0x4c/0x80
[ 573.456907][ C1] ? __fdget+0x158/0x220
[ 573.456923][ C1] __se_sys_sendmsg+0x19a/0x260
[ 573.456939][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 573.456957][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.456972][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 573.456987][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.457004][ C1] do_syscall_64+0x3b/0xb0
[ 573.457017][ C1] ? clear_bhb_loop+0x15/0x70
[ 573.457029][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.457043][ C1] RIP: 0033:0x7f36aa591df9
[ 573.457056][ 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
[ 573.457066][ C1] RSP: 002b:00007ffe2404f2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.457080][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36aa591df9
[ 573.457089][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.457097][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.457105][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.457113][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.457126][ C1]
[ 573.457132][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.793 msecs
[ 573.457462][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.177667][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 574.185638][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 574.195681][ T27] Call Trace:
[ 574.198954][ T27]
[ 574.202055][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 574.206730][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 574.212352][ T27] ? panic+0x860/0x860
[ 574.216431][ T27] panic+0x318/0x860
[ 574.220322][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 574.225948][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.232097][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 574.237287][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 574.243347][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.249489][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 574.255637][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 574.261784][ T27] watchdog+0xeb0/0xeb0
[ 574.265945][ T27] kthread+0x3f6/0x4f0
[ 574.270006][ T27] ? hungtask_pm_notify+0x50/0x50
[ 574.275020][ T27] ? kthread_blkcg+0xd0/0xd0
[ 574.279601][ T27] ret_from_fork+0x1f/0x30
[ 574.284021][ T27]
[ 574.287220][ T27] Kernel Offset: disabled
[ 574.291534][ T27] Rebooting in 86400 seconds..