Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts.
executing program
[ 573.119166][ T27] INFO: task kworker/0:0:7 blocked for more than 143 seconds.
[ 573.126862][ T27] Not tainted 5.15.160-syzkaller #0
[ 573.133649][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.142729][ T27] task:kworker/0:0 state:D stack:26144 pid: 7 ppid: 2 flags:0x00004000
[ 573.152473][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.158777][ T27] Call Trace:
[ 573.162527][ T27]
[ 573.165479][ T27] __schedule+0x12c4/0x45b0
[ 573.170373][ T27] ? mark_lock+0x98/0x340
[ 573.174724][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.181153][ T27] ? release_firmware_map_entry+0x190/0x190
[ 573.187238][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 573.193189][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.198415][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 573.204076][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 573.209543][ T27] schedule+0x11b/0x1f0
[ 573.213724][ T27] schedule_preempt_disabled+0xf/0x20
[ 573.219559][ T27] __mutex_lock_common+0xe34/0x25a0
[ 573.224791][ T27] ? addrconf_verify_work+0xa/0x20
[ 573.230252][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 573.235468][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 573.241856][ T27] ? print_irqtrace_events+0x210/0x210
[ 573.247329][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 573.253583][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 573.258805][ T27] mutex_lock_nested+0x17/0x20
[ 573.264017][ T27] addrconf_verify_work+0xa/0x20
[ 573.269202][ T27] process_one_work+0x8a1/0x10c0
[ 573.274177][ T27] ? worker_detach_from_pool+0x260/0x260
[ 573.280212][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 573.285781][ T27] ? kthread_data+0x4e/0xc0
[ 573.290708][ T27] ? wq_worker_running+0x97/0x170
[ 573.295753][ T27] worker_thread+0xaca/0x1280
[ 573.300864][ T27] kthread+0x3f6/0x4f0
[ 573.304958][ T27] ? rcu_lock_release+0x20/0x20
[ 573.310158][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.314766][ T27] ret_from_fork+0x1f/0x30
[ 573.319576][ T27]
[ 573.322767][ T27]
[ 573.322767][ T27] Showing all locks held in the system:
[ 573.330993][ T27] 3 locks held by kworker/0:0/7:
[ 573.335940][ T27] #0: ffff888023176d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 573.347353][ T27] #1: ffffc90000cc7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 573.357905][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 573.367768][ T27] 1 lock held by khungtaskd/27:
[ 573.372885][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 573.382523][ T27] 2 locks held by getty/3262:
[ 573.387206][ T27] #0: ffff888023a25098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 573.397371][ T27] #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 573.407734][ T27] 1 lock held by syz-executor361/3523:
[ 573.413461][ T27]
[ 573.415797][ T27] =============================================
[ 573.415797][ T27]
[ 573.424640][ T27] NMI backtrace for cpu 1
[ 573.428986][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 573.436974][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.447033][ T27] Call Trace:
[ 573.450318][ T27]
[ 573.453256][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 573.457953][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 573.463722][ T27] ? panic+0x860/0x860
[ 573.467809][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 573.472934][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 573.477886][ T27] ? __wake_up_klogd+0xd5/0x100
[ 573.482754][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.488920][ T27] ? _printk+0xd1/0x120
[ 573.493092][ T27] ? panic+0x860/0x860
[ 573.497170][ T27] ? __wake_up_klogd+0xcc/0x100
[ 573.502031][ T27] ? panic+0x860/0x860
[ 573.506116][ T27] ? __rcu_read_unlock+0x92/0x100
[ 573.511239][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 573.517319][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 573.523313][ T27] watchdog+0xe72/0xeb0
[ 573.527489][ T27] kthread+0x3f6/0x4f0
[ 573.531566][ T27] ? hungtask_pm_notify+0x50/0x50
[ 573.536600][ T27] ? kthread_blkcg+0xd0/0xd0
[ 573.541204][ T27] ret_from_fork+0x1f/0x30
[ 573.545656][ T27]
[ 573.548759][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 573.554011][ C0] NMI backtrace for cpu 0
[ 573.554020][ C0] CPU: 0 PID: 3523 Comm: syz-executor361 Not tainted 5.15.160-syzkaller #0
[ 573.554037][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.554046][ C0] RIP: 0010:check_preemption_disabled+0x20/0x110
[ 573.554070][ C0] Code: 8a 48 c7 c6 a0 f6 d8 8a eb 00 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 1d c8 13 e4 75 <65> 8b 05 31 6e e4 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00
[ 573.554084][ C0] RSP: 0018:ffffc9000489e528 EFLAGS: 00000086
[ 573.554099][ C0] RAX: 0c79534deb559800 RBX: 0000000000000000 RCX: ffffffff81636502
[ 573.554111][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b3c20 RDI: ffffffff8ad8f6c0
[ 573.554123][ C0] RBP: ffffc9000489e6a8 R08: dffffc0000000000 R09: fffffbfff1f7f032
[ 573.554135][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000913cb4
[ 573.554146][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000246
[ 573.554157][ C0] FS: 00005555572a2380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 573.554172][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.554183][ C0] CR2: 00007fffb5e03f70 CR3: 00000000129bb000 CR4: 00000000003506f0
[ 573.554198][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.554207][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.554217][ C0] Call Trace:
[ 573.554223][ C0]
[ 573.554228][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 573.554245][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.554263][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 573.554288][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 573.554305][ C0] ? nmi_handle+0xf7/0x370
[ 573.554322][ C0] ? check_preemption_disabled+0x20/0x110
[ 573.554341][ C0] ? default_do_nmi+0x62/0x150
[ 573.554358][ C0] ? exc_nmi+0xa8/0x100
[ 573.554374][ C0] ? end_repeat_nmi+0x16/0x31
[ 573.554393][ C0] ? validate_chain+0x112/0x5930
[ 573.554409][ C0] ? check_preemption_disabled+0x20/0x110
[ 573.554429][ C0] ? check_preemption_disabled+0x20/0x110
[ 573.554449][ C0] ? check_preemption_disabled+0x20/0x110
[ 573.554468][ C0]
[ 573.554472][ C0]
[ 573.554478][ C0] lock_acquire+0x1eb/0x4f0
[ 573.554495][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.554512][ C0] ? __might_sleep+0xc0/0xc0
[ 573.554530][ C0] ? rcu_lock_release+0x20/0x20
[ 573.554548][ C0] ? tcf_idr_check_alloc+0x97/0x380
[ 573.554565][ C0] ? __lock_acquire+0x1ff0/0x1ff0
[ 573.554581][ C0] __mutex_lock_common+0x1da/0x25a0
[ 573.554600][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.554619][ C0] ? __mutex_unlock_slowpath+0x218/0x750
[ 573.554636][ C0] ? tcf_idr_check_alloc+0xa1/0x380
[ 573.554651][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 573.554669][ C0] ? mutex_lock_io_nested+0x60/0x60
[ 573.554692][ C0] ? radix_tree_lookup+0xa2/0x280
[ 573.554710][ C0] ? __sanitizer_cov_trace_pc+0x4/0x60
[ 573.554728][ C0] ? radix_tree_lookup+0x234/0x280
[ 573.554745][ C0] mutex_lock_nested+0x17/0x20
[ 573.554762][ C0] tcf_idr_check_alloc+0xa1/0x380
[ 573.554780][ C0] tcf_police_init+0x294/0x17c0
[ 573.554796][ C0] ? netlink_rcv_skb+0x1cf/0x410
[ 573.554810][ C0] ? netlink_unicast+0x7b6/0x980
[ 573.554829][ C0] ? __se_sys_sendmsg+0x19a/0x260
[ 573.554852][ C0] ? tcf_police_search+0x40/0x40
[ 573.554877][ C0] ? tcf_action_init_1+0x226/0x7f0
[ 573.554892][ C0] ? nla_memcpy+0x56/0xb0
[ 573.554910][ C0] ? memcpy+0x3c/0x60
[ 573.554927][ C0] ? tcf_police_search+0x40/0x40
[ 573.554944][ C0] tcf_action_init_1+0x50f/0x7f0
[ 573.554963][ C0] ? tc_action_load_ops+0x550/0x550
[ 573.554980][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.554995][ C0] ? rcu_lock_release+0x5/0x20
[ 573.555020][ C0] tcf_action_init+0x2f3/0x750
[ 573.555039][ C0] ? tcf_action_init_1+0x7f0/0x7f0
[ 573.555065][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.555092][ C0] ? apparmor_capable+0x12e/0x190
[ 573.555110][ C0] ? __nla_parse+0x3c/0x50
[ 573.555127][ C0] tc_ctl_action+0x49b/0xd00
[ 573.555148][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.555164][ C0] ? read_lock_is_recursive+0x10/0x10
[ 573.555201][ C0] ? tcf_free_cookie_rcu+0x40/0x40
[ 573.555218][ C0] rtnetlink_rcv_msg+0x993/0xee0
[ 573.555237][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.555256][ C0] ? rtnetlink_bind+0x80/0x80
[ 573.555274][ C0] ? stack_trace_save+0x1c0/0x1c0
[ 573.555292][ C0] ? __kernel_text_address+0x94/0x100
[ 573.555312][ C0] ? unwind_get_return_address+0x49/0x80
[ 573.555330][ C0] ? reacquire_held_locks+0x660/0x660
[ 573.555346][ C0] ? arch_stack_walk+0xf3/0x140
[ 573.555364][ C0] ? mark_lock+0x98/0x340
[ 573.555381][ C0] ? mark_lock+0x98/0x340
[ 573.555397][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 573.555423][ C0] netlink_rcv_skb+0x1cf/0x410
[ 573.555439][ C0] ? rtnetlink_bind+0x80/0x80
[ 573.555457][ C0] ? netlink_ack+0xb10/0xb10
[ 573.555477][ C0] netlink_unicast+0x7b6/0x980
[ 573.555499][ C0] ? netlink_detachskb+0x90/0x90
[ 573.555517][ C0] ? __virt_addr_valid+0x39e/0x450
[ 573.555532][ C0] ? 0xffffffff81000000
[ 573.555543][ C0] ? __check_object_size+0x300/0x410
[ 573.555563][ C0] ? bpf_lsm_netlink_send+0x5/0x10
[ 573.555580][ C0] netlink_sendmsg+0xa30/0xd60
[ 573.555599][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.555615][ C0] ? aa_sock_msg_perm+0x91/0x150
[ 573.555633][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 573.555648][ C0] ? security_socket_sendmsg+0x7d/0xa0
[ 573.555664][ C0] ? netlink_getsockopt+0x5b0/0x5b0
[ 573.555680][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 573.555704][ C0] ? iovec_from_user+0x300/0x390
[ 573.555725][ C0] ? __sys_sendmsg_sock+0x30/0x30
[ 573.555748][ C0] ___sys_sendmsg+0x252/0x2e0
[ 573.555768][ C0] ? __sys_sendmsg+0x260/0x260
[ 573.555787][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 573.555813][ C0] ? __context_tracking_enter+0x5f/0x90
[ 573.555832][ C0] ? __context_tracking_exit+0x4c/0x80
[ 573.555851][ C0] ? __fdget+0x158/0x220
[ 573.555869][ C0] __se_sys_sendmsg+0x19a/0x260
[ 573.555889][ C0] ? __x64_sys_sendmsg+0x80/0x80
[ 573.555910][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.555929][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 573.555947][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 573.555967][ C0] do_syscall_64+0x3b/0xb0
[ 573.555982][ C0] ? clear_bhb_loop+0x15/0x70
[ 573.555998][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.556015][ C0] RIP: 0033:0x7f24e5e0bdf9
[ 573.556030][ 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
[ 573.556043][ C0] RSP: 002b:00007ffedd20dea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.556058][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f24e5e0bdf9
[ 573.556069][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.556079][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.556088][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.556097][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.556112][ C0]
[ 573.556119][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.107 msecs
[ 573.574994][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.274887][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 574.282891][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.292957][ T27] Call Trace:
[ 574.296243][ T27]
[ 574.299183][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 574.303883][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 574.309526][ T27] ? panic+0x860/0x860
[ 574.313619][ T27] panic+0x318/0x860
[ 574.317524][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 574.323167][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.329337][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 574.334554][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 574.340634][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 574.346805][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 574.352971][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 574.359139][ T27] watchdog+0xeb0/0xeb0
[ 574.363412][ T27] kthread+0x3f6/0x4f0
[ 574.367489][ T27] ? hungtask_pm_notify+0x50/0x50
[ 574.372526][ T27] ? kthread_blkcg+0xd0/0xd0
[ 574.377127][ T27] ret_from_fork+0x1f/0x30
[ 574.381589][ T27]
[ 574.384976][ T27] Kernel Offset: disabled
[ 574.389311][ T27] Rebooting in 86400 seconds..