Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts.
executing program
[ 572.992056][ T27] INFO: task kworker/0:0:7 blocked for more than 143 seconds.
[ 572.999683][ T27] Not tainted 5.15.160-syzkaller #0
[ 573.005863][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.014867][ T27] task:kworker/0:0 state:D stack:25248 pid: 7 ppid: 2 flags:0x00004000
[ 573.024282][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.030708][ T27] Call Trace:
[ 573.034269][ T27]
[ 573.037199][ T27] __schedule+0x12c4/0x45b0
[ 573.041760][ T27] ? mark_lock+0x98/0x340
[ 573.046354][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.052517][ T27] ? release_firmware_map_entry+0x190/0x190
[ 573.058410][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 573.064089][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.069298][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 573.074800][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 573.080040][ T27] schedule+0x11b/0x1f0
[ 573.084380][ T27] schedule_preempt_disabled+0xf/0x20
[ 573.089752][ T27] __mutex_lock_common+0xe34/0x25a0
[ 573.095178][ T27] ? addrconf_verify_work+0xa/0x20
[ 573.100474][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 573.105884][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.111876][ T27] ? print_irqtrace_events+0x210/0x210
[ 573.117578][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.123640][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.128846][ T27] mutex_lock_nested+0x17/0x20
[ 573.133805][ T27] addrconf_verify_work+0xa/0x20
[ 573.138834][ T27] process_one_work+0x8a1/0x10c0
[ 573.144279][ T27] ? worker_detach_from_pool+0x260/0x260
[ 573.149930][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 573.155768][ T27] ? kthread_data+0x4e/0xc0
[ 573.160285][ T27] ? wq_worker_running+0x97/0x170
[ 573.165542][ T27] worker_thread+0xaca/0x1280
[ 573.170248][ T27] kthread+0x3f6/0x4f0
[ 573.174549][ T27] ? rcu_lock_release+0x20/0x20
[ 573.179402][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.184223][ T27] ret_from_fork+0x1f/0x30
[ 573.188690][ T27]
[ 573.191894][ T27]
[ 573.191894][ T27] Showing all locks held in the system:
[ 573.199993][ T27] 3 locks held by kworker/0:0/7:
[ 573.205103][ T27] #0: ffff88802338ad38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 573.216711][ T27] #1: ffffc90000cc7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 573.227318][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 573.236927][ T27] 1 lock held by khungtaskd/27:
[ 573.241772][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 573.251376][ T27] 2 locks held by getty/3257:
[ 573.256216][ T27] #0: ffff88814b391098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 573.266210][ T27] #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 573.276489][ T27] 2 locks held by syz-executor248/3522:
[ 573.282237][ T27]
[ 573.284562][ T27] =============================================
[ 573.284562][ T27]
[ 573.293313][ T27] NMI backtrace for cpu 0
[ 573.297661][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 573.305637][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.315822][ T27] Call Trace:
[ 573.319096][ T27]
[ 573.322020][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.326700][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.332323][ T27] ? panic+0x860/0x860
[ 573.336392][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 573.341539][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 573.346468][ T27] ? __wake_up_klogd+0xd5/0x100
[ 573.351322][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.357469][ T27] ? _printk+0xd1/0x120
[ 573.361622][ T27] ? panic+0x860/0x860
[ 573.365811][ T27] ? __wake_up_klogd+0xcc/0x100
[ 573.370677][ T27] ? panic+0x860/0x860
[ 573.374745][ T27] ? __rcu_read_unlock+0x92/0x100
[ 573.379803][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.385931][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 573.391909][ T27] watchdog+0xe72/0xeb0
[ 573.396169][ T27] kthread+0x3f6/0x4f0
[ 573.400258][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.405453][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.410050][ T27] ret_from_fork+0x1f/0x30
[ 573.414495][ T27]
[ 573.419587][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 573.424835][ C1] NMI backtrace for cpu 1
[ 573.424845][ C1] CPU: 1 PID: 3522 Comm: syz-executor248 Not tainted 5.15.160-syzkaller #0
[ 573.424860][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.424868][ C1] RIP: 0010:check_preemption_disabled+0x63/0x110
[ 573.424893][ C1] Code: 44 24 08 0f 85 c7 00 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 <74> c9 49 89 f6 49 89 ff 65 4c 8b 25 dd 6d e4 75 41 f6 44 24 2f 04
[ 573.424904][ C1] RSP: 0018:ffffc90002be6520 EFLAGS: 00000046
[ 573.424917][ C1] RAX: 0000000080000000 RBX: 0000000000000001 RCX: ffff88801438bb80
[ 573.424927][ C1] RDX: 0000000000000000 RSI: ffffffff8a8b3c20 RDI: ffffffff8ad8f6c0
[ 573.424937][ C1] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffc90002be6780
[ 573.424947][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
[ 573.424956][ C1] R13: ffff88801438bb80 R14: 00000000ffffffff R15: ffffffff8c91fa60
[ 573.424966][ C1] FS: 000055555638f380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 573.424979][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.424989][ C1] CR2: 00007fff5c65bffc CR3: 000000007df23000 CR4: 00000000003506e0
[ 573.425001][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.425009][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.425017][ C1] Call Trace:
[ 573.425022][ C1]
[ 573.425029][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 573.425046][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.425061][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.425081][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 573.425096][ C1] ? nmi_handle+0xf7/0x370
[ 573.425182][ C1] ? check_preemption_disabled+0x63/0x110
[ 573.425197][ C1] ? default_do_nmi+0x62/0x150
[ 573.425211][ C1] ? exc_nmi+0xa8/0x100
[ 573.425225][ C1] ? end_repeat_nmi+0x16/0x31
[ 573.425242][ C1] ? check_preemption_disabled+0x63/0x110
[ 573.425258][ C1] ? check_preemption_disabled+0x63/0x110
[ 573.425274][ C1] ? check_preemption_disabled+0x63/0x110
[ 573.425290][ C1]
[ 573.425294][ C1]
[ 573.425300][ C1] lock_is_held_type+0xfd/0x180
[ 573.425316][ C1] ___might_sleep+0xf1/0x6a0
[ 573.425333][ C1] ? __might_sleep+0xc0/0xc0
[ 573.425347][ C1] ? rcu_lock_release+0x20/0x20
[ 573.425362][ C1] ? tcf_idr_check_alloc+0x97/0x380
[ 573.425395][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 573.425409][ C1] ? __lock_acquire+0x1ff0/0x1ff0
[ 573.425423][ C1] __mutex_lock_common+0xd4/0x25a0
[ 573.425440][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.425456][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.425470][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.425483][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 573.425497][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 573.425514][ C1] ? __sanitizer_cov_trace_cmp8+0x80/0x80
[ 573.425530][ C1] ? radix_tree_lookup+0x234/0x280
[ 573.425545][ C1] mutex_lock_nested+0x17/0x20
[ 573.425559][ C1] tcf_idr_check_alloc+0xa1/0x380
[ 573.425574][ C1] tcf_police_init+0x294/0x17c0
[ 573.425588][ C1] ? netlink_rcv_skb+0x1cf/0x410
[ 573.425604][ C1] ? netlink_unicast+0x7b6/0x980
[ 573.425620][ C1] ? __se_sys_sendmsg+0x19a/0x260
[ 573.425649][ C1] ? tcf_police_search+0x40/0x40
[ 573.425670][ C1] ? tcf_action_init_1+0x226/0x7f0
[ 573.425683][ C1] ? nla_memcpy+0x56/0xb0
[ 573.425698][ C1] ? memcpy+0x3c/0x60
[ 573.425714][ C1] ? tcf_police_search+0x40/0x40
[ 573.425727][ C1] tcf_action_init_1+0x50f/0x7f0
[ 573.425745][ C1] ? tc_action_load_ops+0x550/0x550
[ 573.425758][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.425772][ C1] ? rcu_lock_release+0x5/0x20
[ 573.425792][ C1] tcf_action_init+0x2f3/0x750
[ 573.425809][ C1] ? tcf_action_init_1+0x7f0/0x7f0
[ 573.425837][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.425860][ C1] ? apparmor_capable+0x12e/0x190
[ 573.425885][ C1] ? __nla_parse+0x3c/0x50
[ 573.425900][ C1] tc_ctl_action+0x49b/0xd00
[ 573.425917][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.425931][ C1] ? read_lock_is_recursive+0x10/0x10
[ 573.425963][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.425977][ C1] rtnetlink_rcv_msg+0x993/0xee0
[ 573.425993][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.426009][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.426023][ C1] ? stack_trace_save+0x1c0/0x1c0
[ 573.426038][ C1] ? __kernel_text_address+0x94/0x100
[ 573.426055][ C1] ? unwind_get_return_address+0x49/0x80
[ 573.426097][ C1] ? reacquire_held_locks+0x660/0x660
[ 573.426110][ C1] ? arch_stack_walk+0xf3/0x140
[ 573.426130][ C1] ? mark_lock+0x98/0x340
[ 573.426145][ C1] ? mark_lock+0x98/0x340
[ 573.426158][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.426180][ C1] netlink_rcv_skb+0x1cf/0x410
[ 573.426194][ C1] ? rtnetlink_bind+0x80/0x80
[ 573.426209][ C1] ? netlink_ack+0xb10/0xb10
[ 573.426226][ C1] netlink_unicast+0x7b6/0x980
[ 573.426244][ C1] ? netlink_detachskb+0x90/0x90
[ 573.426259][ C1] ? __virt_addr_valid+0x39e/0x450
[ 573.426272][ C1] ? 0xffffffff81000000
[ 573.426282][ C1] ? __check_object_size+0x300/0x410
[ 573.426298][ C1] ? bpf_lsm_netlink_send+0x5/0x10
[ 573.426313][ C1] netlink_sendmsg+0xa30/0xd60
[ 573.426330][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.426343][ C1] ? aa_sock_msg_perm+0x91/0x150
[ 573.426358][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 573.426371][ C1] ? security_socket_sendmsg+0x7d/0xa0
[ 573.426385][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.426398][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 573.426413][ C1] ? iovec_from_user+0x300/0x390
[ 573.426431][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 573.426451][ C1] ___sys_sendmsg+0x252/0x2e0
[ 573.426468][ C1] ? __sys_sendmsg+0x260/0x260
[ 573.426484][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 573.426507][ C1] ? __context_tracking_enter+0x5f/0x90
[ 573.426522][ C1] ? __context_tracking_exit+0x4c/0x80
[ 573.426538][ C1] ? __fdget+0x158/0x220
[ 573.426554][ C1] __se_sys_sendmsg+0x19a/0x260
[ 573.426570][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 573.426588][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.426603][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 573.426619][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.426635][ C1] do_syscall_64+0x3b/0xb0
[ 573.426648][ C1] ? clear_bhb_loop+0x15/0x70
[ 573.426661][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.426675][ C1] RIP: 0033:0x7f253bafcdf9
[ 573.426689][ 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
[ 573.426700][ C1] RSP: 002b:00007ffe9f3286e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.426714][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f253bafcdf9
[ 573.426724][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.426732][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.426740][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.426748][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.426761][ C1]
[ 573.426767][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.930 msecs
[ 573.446667][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 573.446683][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 573.446703][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 573.446712][ T27] Call Trace:
[ 573.446719][ T27]
[ 573.446726][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.446752][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.446771][ T27] ? panic+0x860/0x860
[ 573.446801][ T27] panic+0x318/0x860
[ 573.446818][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 573.446837][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 573.446858][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 573.446878][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.446899][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 573.446916][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 573.446935][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 573.446956][ T27] watchdog+0xeb0/0xeb0
[ 573.446984][ T27] kthread+0x3f6/0x4f0
[ 573.447001][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.447018][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.447035][ T27] ret_from_fork+0x1f/0x30
[ 573.447070][ T27]
[ 573.447269][ T27] Kernel Offset: disabled
[ 574.260830][ T27] Rebooting in 86400 seconds..