Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts.
executing program
[ 716.903307][ T30] INFO: task kworker/u8:4:62 blocked for more than 143 seconds.
[ 716.911251][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.920348][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.929564][ T30] task:kworker/u8:4 state:D stack:21384 pid:62 tgid:62 ppid:2 flags:0x00004000
[ 716.940131][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.946899][ T30] Call Trace:
[ 716.950210][ T30]
[ 716.953610][ T30] __schedule+0x17e8/0x4a20
[ 716.958180][ T30] ? __pfx___schedule+0x10/0x10
[ 716.963064][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.968816][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 716.974624][ T30] ? kthread_data+0x52/0xd0
[ 716.979157][ T30] ? schedule+0x90/0x320
[ 716.983866][ T30] ? wq_worker_sleeping+0x66/0x240
[ 716.989026][ T30] ? schedule+0x90/0x320
[ 716.993828][ T30] schedule+0x14b/0x320
[ 716.998039][ T30] schedule_preempt_disabled+0x13/0x30
[ 717.004025][ T30] __mutex_lock+0x6a4/0xd70
[ 717.008670][ T30] ? __mutex_lock+0x527/0xd70
[ 717.013880][ T30] ? addrconf_verify_work+0x19/0x30
[ 717.019128][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 717.025413][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.031440][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.038251][ T30] ? process_scheduled_works+0x945/0x1830
[ 717.044263][ T30] addrconf_verify_work+0x19/0x30
[ 717.049321][ T30] process_scheduled_works+0xa2c/0x1830
[ 717.055400][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 717.061437][ T30] ? assign_work+0x364/0x3d0
[ 717.066526][ T30] worker_thread+0x86d/0xd70
[ 717.071172][ T30] ? __kthread_parkme+0x169/0x1d0
[ 717.076713][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.081868][ T30] kthread+0x2f0/0x390
[ 717.086247][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.091393][ T30] ? __pfx_kthread+0x10/0x10
[ 717.096496][ T30] ret_from_fork+0x4b/0x80
[ 717.100952][ T30] ? __pfx_kthread+0x10/0x10
[ 717.105983][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.110806][ T30]
[ 717.114524][ T30]
[ 717.114524][ T30] Showing all locks held in the system:
[ 717.122291][ T30] 1 lock held by khungtaskd/30:
[ 717.127706][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.138536][ T30] 3 locks held by kworker/u8:4/62:
[ 717.144028][ T30] #0: ffff88802a999148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.156018][ T30] #1: ffffc900015d7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.170046][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.179943][ T30] 2 locks held by getty/4852:
[ 717.185144][ T30] #0: ffff88802f7890a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.195298][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.205849][ T30] 2 locks held by syz-executor840/5120:
[ 717.211424][ T30]
[ 717.214294][ T30] =============================================
[ 717.214294][ T30]
[ 717.222757][ T30] NMI backtrace for cpu 1
[ 717.227103][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.237010][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.247089][ T30] Call Trace:
[ 717.250390][ T30]
[ 717.253340][ T30] dump_stack_lvl+0x241/0x360
[ 717.258048][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.263265][ T30] ? __pfx__printk+0x10/0x10
[ 717.267883][ T30] ? vprintk_emit+0x631/0x770
[ 717.272589][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.277646][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.282623][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.288104][ T30] ? _printk+0xd5/0x120
[ 717.292286][ T30] ? __pfx__printk+0x10/0x10
[ 717.296911][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.301793][ T30] ? __pfx__printk+0x10/0x10
[ 717.306414][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.311465][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.317472][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.323484][ T30] watchdog+0xfde/0x1020
[ 717.327751][ T30] ? watchdog+0x1ea/0x1020
[ 717.332200][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.336901][ T30] kthread+0x2f0/0x390
[ 717.340992][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.345691][ T30] ? __pfx_kthread+0x10/0x10
[ 717.350308][ T30] ret_from_fork+0x4b/0x80
[ 717.354840][ T30] ? __pfx_kthread+0x10/0x10
[ 717.359456][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.364263][ T30]
[ 717.367437][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 717.372685][ C0] NMI backtrace for cpu 0
[ 717.372697][ C0] CPU: 0 PID: 5120 Comm: syz-executor840 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.372716][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.372732][ C0] RIP: 0010:lock_release+0x286/0x9f0
[ 717.372758][ C0] Code: c0 0f 84 05 02 00 00 4d 85 ff 0f 84 19 03 00 00 49 8d 5f 24 48 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30 <84> c0 0f 85 16 05 00 00 83 3b 00 0f 85 2b 04 00 00 4d 8d 67 20 4c
[ 717.372773][ C0] RSP: 0018:ffffc90003d865c0 EFLAGS: 00000803
[ 717.372788][ C0] RAX: 0000000000000000 RBX: ffff888027adc72c RCX: ffffc90003d86603
[ 717.372801][ C0] RDX: 0000000000000001 RSI: ffffffff8e333fa0 RDI: ffff888027adc708
[ 717.372813][ C0] RBP: ffffc90003d866f0 R08: ffffffff8fad9aaf R09: 1ffffffff1f5b355
[ 717.372826][ C0] R10: dffffc0000000000 R11: fffffbfff1f5b356 R12: 0000000000000001
[ 717.372839][ C0] R13: 0000000000000005 R14: dffffc0000000000 R15: ffff888027adc708
[ 717.372851][ C0] FS: 0000555566534380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 717.372866][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.372879][ C0] CR2: 000055ad91ff47f0 CR3: 000000001fb1a000 CR4: 00000000003506f0
[ 717.372898][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.372908][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.372919][ C0] Call Trace:
[ 717.372926][ C0]
[ 717.372933][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.372956][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 717.372975][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.373005][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.373026][ C0] ? nmi_handle+0x14f/0x5a0
[ 717.373053][ C0] ? nmi_handle+0x2a/0x5a0
[ 717.373079][ C0] ? lock_release+0x286/0x9f0
[ 717.373097][ C0] ? default_do_nmi+0x63/0x160
[ 717.373119][ C0] ? exc_nmi+0x123/0x1f0
[ 717.373146][ C0] ? end_repeat_nmi+0xf/0x53
[ 717.373173][ C0] ? lock_release+0x286/0x9f0
[ 717.373192][ C0] ? lock_release+0x286/0x9f0
[ 717.373210][ C0] ? lock_release+0x286/0x9f0
[ 717.373228][ C0]
[ 717.373234][ C0]
[ 717.373241][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 717.373265][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.373285][ C0] ? __pfx_lock_release+0x10/0x10
[ 717.373305][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.373326][ C0] ? tcf_idr_check_alloc+0x213/0x900
[ 717.373346][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.373366][ C0] tcf_idr_check_alloc+0xff/0x900
[ 717.373389][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.373410][ C0] ? __nla_parse+0x40/0x60
[ 717.373436][ C0] tcf_police_init+0x29b/0x17c0
[ 717.373458][ C0] ? __sock_sendmsg+0x221/0x270
[ 717.373480][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 717.373505][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 717.373545][ C0] ? nla_memcpy+0x5d/0xc0
[ 717.373568][ C0] ? __asan_memcpy+0x40/0x70
[ 717.373593][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 717.373615][ C0] tcf_action_init_1+0x5d7/0x890
[ 717.373641][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.373674][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.373696][ C0] tcf_action_init+0x2e4/0x940
[ 717.373724][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 717.373773][ C0] ? apparmor_capable+0x138/0x1b0
[ 717.373803][ C0] tc_ctl_action+0x47d/0xcf0
[ 717.373825][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 717.373849][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.373884][ C0] ? trace_contention_end+0x3c/0x120
[ 717.373918][ C0] ? __mutex_lock+0x2ef/0xd70
[ 717.373954][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 717.373984][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.374005][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.374031][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.374055][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.374077][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 717.374106][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.374128][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.374150][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 717.374190][ C0] ? mark_lock+0x9a/0x350
[ 717.374209][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.374240][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 717.374266][ C0] ? mark_lock+0x9a/0x350
[ 717.374287][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 717.374315][ C0] netlink_rcv_skb+0x1e3/0x430
[ 717.374339][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.374363][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.374398][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.374423][ C0] netlink_unicast+0x7ea/0x980
[ 717.374449][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 717.374469][ C0] ? __virt_addr_valid+0x183/0x520
[ 717.374495][ C0] ? __check_object_size+0x49c/0x900
[ 717.374511][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.374544][ C0] netlink_sendmsg+0x8db/0xcb0
[ 717.374590][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.374616][ C0] ? __import_iovec+0x536/0x820
[ 717.374639][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 717.374661][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.374678][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 717.374705][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.374729][ C0] __sock_sendmsg+0x221/0x270
[ 717.374754][ C0] ____sys_sendmsg+0x525/0x7d0
[ 717.374778][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.374805][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 717.374824][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.374858][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.374881][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.374906][ C0] ? exc_page_fault+0x590/0x8c0
[ 717.374932][ C0] ? do_syscall_64+0xb6/0x230
[ 717.374951][ C0] do_syscall_64+0xf3/0x230
[ 717.374968][ C0] ? clear_bhb_loop+0x35/0x90
[ 717.374989][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.375008][ C0] RIP: 0033:0x7ff0f6de0df9
[ 717.375030][ 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
[ 717.375043][ C0] RSP: 002b:00007fffc2ec1fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.375061][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0f6de0df9
[ 717.375073][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.375083][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.375093][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.375104][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.375122][ C0]
[ 717.375130][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.444 msecs
[ 718.020450][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 718.027324][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 718.037691][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 718.047770][ T30] Call Trace:
[ 718.051078][ T30]
[ 718.054024][ T30] dump_stack_lvl+0x241/0x360
[ 718.058725][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 718.063943][ T30] ? __pfx__printk+0x10/0x10
[ 718.068559][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 718.074569][ T30] ? vscnprintf+0x5d/0x90
[ 718.078923][ T30] panic+0x349/0x860
[ 718.082843][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.089018][ T30] ? __pfx_panic+0x10/0x10
[ 718.093458][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 718.098858][ T30] ? __irq_work_queue_local+0x137/0x410
[ 718.104426][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 718.109820][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.115993][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 718.122169][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 718.128346][ T30] watchdog+0x101d/0x1020
[ 718.132699][ T30] ? watchdog+0x1ea/0x1020
[ 718.137140][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.141840][ T30] kthread+0x2f0/0x390
[ 718.146046][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.150773][ T30] ? __pfx_kthread+0x10/0x10
[ 718.155402][ T30] ret_from_fork+0x4b/0x80
[ 718.159847][ T30] ? __pfx_kthread+0x10/0x10
[ 718.164464][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.169282][ T30]
[ 718.172632][ T30] Kernel Offset: disabled
[ 718.176968][ T30] Rebooting in 86400 seconds..