Warning: Permanently added '10.128.0.153' (ED25519) to the list of known hosts.
executing program
[ 573.592455][ T30] INFO: task kworker/u8:8:2407 blocked for more than 143 seconds.
[ 573.600633][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.609602][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.618714][ T30] task:kworker/u8:8 state:D stack:19864 pid:2407 tgid:2407 ppid:2 flags:0x00004000
[ 573.629320][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.636042][ T30] Call Trace:
[ 573.639355][ T30]
[ 573.642964][ T30] __schedule+0x17e8/0x4a20
[ 573.647543][ T30] ? __pfx___schedule+0x10/0x10
[ 573.653013][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.658093][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.664126][ T30] ? kthread_data+0x52/0xd0
[ 573.668687][ T30] ? schedule+0x90/0x320
[ 573.673443][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.678608][ T30] ? schedule+0x90/0x320
[ 573.683514][ T30] schedule+0x14b/0x320
[ 573.687725][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.693748][ T30] __mutex_lock+0x6a4/0xd70
[ 573.698307][ T30] ? __mutex_lock+0x527/0xd70
[ 573.703553][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.708799][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.714935][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.720972][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.728052][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.734146][ T30] addrconf_verify_work+0x19/0x30
[ 573.739225][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.745338][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.751382][ T30] ? assign_work+0x364/0x3d0
[ 573.756796][ T30] worker_thread+0x86d/0xd70
[ 573.761547][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.767206][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.772708][ T30] kthread+0x2f0/0x390
[ 573.777489][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.802196][ T30] ? __pfx_kthread+0x10/0x10
[ 573.806884][ T30] ret_from_fork+0x4b/0x80
[ 573.811347][ T30] ? __pfx_kthread+0x10/0x10
[ 573.832208][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.839625][ T30]
[ 573.852208][ T30]
[ 573.852208][ T30] Showing all locks held in the system:
[ 573.860001][ T30] 2 locks held by kworker/0:1/9:
[ 573.882181][ T30] 1 lock held by khungtaskd/30:
[ 573.887093][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.912207][ T30] 3 locks held by kworker/u8:8/2407:
[ 573.917572][ T30] #0: ffff88802a8d4948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.952169][ T30] #1: ffffc9000934fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.982181][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.991828][ T30] 2 locks held by getty/4852:
[ 574.012165][ T30] #0: ffff88802b38f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 574.022051][ T30] #1: ffffc900031432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 574.052176][ T30] 1 lock held by syz-executor308/5115:
[ 574.057697][ T30]
[ 574.060044][ T30] =============================================
[ 574.060044][ T30]
[ 574.082190][ T30] NMI backtrace for cpu 0
[ 574.086575][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.096491][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.106571][ T30] Call Trace:
[ 574.109880][ T30]
[ 574.112833][ T30] dump_stack_lvl+0x241/0x360
[ 574.117814][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.123053][ T30] ? __pfx__printk+0x10/0x10
[ 574.127685][ T30] ? vprintk_emit+0x631/0x770
[ 574.132407][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 574.140035][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 574.146191][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.151719][ T30] ? _printk+0xd5/0x120
[ 574.156011][ T30] ? __pfx__printk+0x10/0x10
[ 574.160624][ T30] ? __wake_up_klogd+0xcc/0x110
[ 574.165696][ T30] ? __pfx__printk+0x10/0x10
[ 574.170614][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 574.176640][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.183224][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.191426][ T30] watchdog+0xfde/0x1020
[ 574.197510][ T30] ? watchdog+0x1ea/0x1020
[ 574.202942][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.207921][ T30] kthread+0x2f0/0x390
[ 574.212013][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.216730][ T30] ? __pfx_kthread+0x10/0x10
[ 574.221368][ T30] ret_from_fork+0x4b/0x80
[ 574.225809][ T30] ? __pfx_kthread+0x10/0x10
[ 574.230417][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.235218][ T30]
[ 574.238344][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 574.243641][ C1] NMI backtrace for cpu 1
[ 574.243653][ C1] CPU: 1 PID: 5115 Comm: syz-executor308 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.243673][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.243689][ C1] RIP: 0010:lock_acquire+0xff/0x550
[ 574.243717][ C1] Code: 0f a3 1d 4c 35 3b 0e 73 16 e8 3d f1 09 00 84 c0 75 0d 80 3d 50 9d 25 0e 00 0f 84 f9 02 00 00 48 c7 c0 ec cc ad 8f 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 ff 02 00 00 83 3d 59 67 3b 0e 00 0f 84
[ 574.243731][ C1] RSP: 0018:ffffc900035ae5a0 EFLAGS: 00000a03
[ 574.243748][ C1] RAX: 1ffffffff1f5b99d RBX: 0000000000000001 RCX: ffffffff81726554
[ 574.243761][ C1] RDX: 0000000000000000 RSI: ffffffff8c1ff660 RDI: ffffffff8c1ff620
[ 574.243773][ C1] RBP: ffffc900035ae6e8 R08: ffffffff8fad9aaf R09: 1ffffffff1f5b355
[ 574.243786][ C1] R10: dffffc0000000000 R11: fffffbfff1f5b356 R12: 1ffff920006b5cbc
[ 574.243799][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 574.243812][ C1] FS: 000055558821e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 574.243827][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.243839][ C1] CR2: 000056386f8d4610 CR3: 0000000052854000 CR4: 00000000003506f0
[ 574.243854][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.243865][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.243875][ C1] Call Trace:
[ 574.243885][ C1]
[ 574.243892][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.243916][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 574.243936][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.243958][ C1] ? nmi_handle+0x2a/0x5a0
[ 574.243993][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.244014][ C1] ? nmi_handle+0x14f/0x5a0
[ 574.244039][ C1] ? nmi_handle+0x2a/0x5a0
[ 574.244066][ C1] ? lock_acquire+0xff/0x550
[ 574.244084][ C1] ? default_do_nmi+0x63/0x160
[ 574.244107][ C1] ? exc_nmi+0x123/0x1f0
[ 574.244128][ C1] ? end_repeat_nmi+0xf/0x53
[ 574.244152][ C1] ? lock_acquire+0xd4/0x550
[ 574.244177][ C1] ? lock_acquire+0xff/0x550
[ 574.244195][ C1] ? lock_acquire+0xff/0x550
[ 574.244213][ C1] ? lock_acquire+0xff/0x550
[ 574.244231][ C1]
[ 574.244237][ C1]
[ 574.244247][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 574.244265][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.244286][ C1] ? __pfx_lock_release+0x10/0x10
[ 574.244311][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.244331][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 574.244350][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.244373][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.244395][ C1] ? __nla_parse+0x40/0x60
[ 574.244421][ C1] tcf_police_init+0x29b/0x17c0
[ 574.244443][ C1] ? __sock_sendmsg+0x221/0x270
[ 574.244466][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 574.244492][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 574.244529][ C1] ? nla_memcpy+0x5d/0xc0
[ 574.244552][ C1] ? __asan_memcpy+0x40/0x70
[ 574.244573][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 574.244595][ C1] tcf_action_init_1+0x5d7/0x890
[ 574.244622][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.244657][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.244680][ C1] tcf_action_init+0x2e4/0x940
[ 574.244709][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 574.244763][ C1] ? apparmor_capable+0x138/0x1b0
[ 574.244794][ C1] tc_ctl_action+0x47d/0xcf0
[ 574.244817][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 574.244842][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.244880][ C1] ? trace_contention_end+0x3c/0x120
[ 574.244904][ C1] ? __mutex_lock+0x2ef/0xd70
[ 574.244936][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 574.244968][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.244989][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.245015][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.245040][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.245062][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 574.245085][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.245107][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.245130][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 574.245168][ C1] ? mark_lock+0x9a/0x350
[ 574.245188][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.245211][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 574.245238][ C1] ? mark_lock+0x9a/0x350
[ 574.245261][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 574.245291][ C1] netlink_rcv_skb+0x1e3/0x430
[ 574.245329][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.245354][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.245391][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.245416][ C1] netlink_unicast+0x7ea/0x980
[ 574.245443][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 574.245463][ C1] ? __virt_addr_valid+0x183/0x520
[ 574.245489][ C1] ? __check_object_size+0x49c/0x900
[ 574.245506][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.245535][ C1] netlink_sendmsg+0x8db/0xcb0
[ 574.245567][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.245592][ C1] ? __import_iovec+0x536/0x820
[ 574.245617][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 574.245638][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.245655][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 574.245682][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.245705][ C1] __sock_sendmsg+0x221/0x270
[ 574.245731][ C1] ____sys_sendmsg+0x525/0x7d0
[ 574.245756][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.245784][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 574.245805][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.245841][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.245866][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.245885][ C1] ? exc_page_fault+0x590/0x8c0
[ 574.245913][ C1] ? do_syscall_64+0xb6/0x230
[ 574.245932][ C1] do_syscall_64+0xf3/0x230
[ 574.245950][ C1] ? clear_bhb_loop+0x35/0x90
[ 574.245971][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.245991][ C1] RIP: 0033:0x7f909a2b4df9
[ 574.246015][ 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
[ 574.246029][ C1] RSP: 002b:00007ffd6f2bc848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.246046][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f909a2b4df9
[ 574.246059][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.246070][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.246080][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.246090][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.246109][ C1]
[ 574.246117][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.475 msecs
[ 574.431580][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.431602][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.431627][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.431641][ T30] Call Trace:
[ 574.431652][ T30]
[ 574.431662][ T30] dump_stack_lvl+0x241/0x360
[ 574.431697][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.431723][ T30] ? __pfx__printk+0x10/0x10
[ 574.431755][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.431792][ T30] ? vscnprintf+0x5d/0x90
[ 574.431823][ T30] panic+0x349/0x860
[ 574.431860][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.431891][ T30] ? __pfx_panic+0x10/0x10
[ 574.431922][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.431957][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.431984][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.432011][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.432039][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.432071][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.432108][ T30] watchdog+0x101d/0x1020
[ 574.432137][ T30] ? watchdog+0x1ea/0x1020
[ 574.432177][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.432204][ T30] kthread+0x2f0/0x390
[ 574.432234][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.432259][ T30] ? __pfx_kthread+0x10/0x10
[ 574.432288][ T30] ret_from_fork+0x4b/0x80
[ 574.432318][ T30] ? __pfx_kthread+0x10/0x10
[ 574.432347][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.432397][ T30]
[ 574.433853][ T30] Kernel Offset: disabled
[ 575.071421][ T30] Rebooting in 86400 seconds..