Warning: Permanently added '10.128.1.218' (ED25519) to the list of known hosts.
executing program
[ 573.836171][ T30] INFO: task kworker/u8:0:11 blocked for more than 143 seconds.
[ 573.844099][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.851864][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.862131][ T30] task:kworker/u8:0 state:D stack:19224 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 573.873117][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.879973][ T30] Call Trace:
[ 573.883288][ T30]
[ 573.887284][ T30] __schedule+0x17e8/0x4a20
[ 573.891997][ T30] ? __pfx___schedule+0x10/0x10
[ 573.897431][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.902536][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.908680][ T30] ? kthread_data+0x52/0xd0
[ 573.913228][ T30] ? schedule+0x90/0x320
[ 573.918073][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.923232][ T30] ? schedule+0x90/0x320
[ 573.927999][ T30] schedule+0x14b/0x320
[ 573.932204][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.940742][ T30] __mutex_lock+0x6a4/0xd70
[ 573.945319][ T30] ? __mutex_lock+0x527/0xd70
[ 573.950584][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.955821][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.961404][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.968423][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.974861][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.981131][ T30] addrconf_verify_work+0x19/0x30
[ 573.986898][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.992558][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.999211][ T30] ? assign_work+0x364/0x3d0
[ 574.003864][ T30] worker_thread+0x86d/0xd70
[ 574.009065][ T30] ? __kthread_parkme+0x169/0x1d0
[ 574.014137][ T30] ? __pfx_worker_thread+0x10/0x10
[ 574.019779][ T30] kthread+0x2f0/0x390
[ 574.023983][ T30] ? __pfx_worker_thread+0x10/0x10
[ 574.029635][ T30] ? __pfx_kthread+0x10/0x10
[ 574.034361][ T30] ret_from_fork+0x4b/0x80
[ 574.039295][ T30] ? __pfx_kthread+0x10/0x10
[ 574.043928][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.049330][ T30]
[ 574.052536][ T30]
[ 574.052536][ T30] Showing all locks held in the system:
[ 574.061058][ T30] 3 locks held by kworker/u8:0/11:
[ 574.066674][ T30] #0: ffff88802a1bc948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 574.079359][ T30] #1: ffffc90000107d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 574.093747][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 574.103608][ T30] 1 lock held by khungtaskd/30:
[ 574.108784][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 574.119043][ T30] 2 locks held by getty/4854:
[ 574.123779][ T30] #0: ffff88802ad660a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 574.134446][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 574.145115][ T30] 2 locks held by syz-executor422/5121:
[ 574.151038][ T30]
[ 574.153395][ T30] =============================================
[ 574.153395][ T30]
[ 574.162932][ T30] NMI backtrace for cpu 1
[ 574.167436][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.177577][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.187700][ T30] Call Trace:
[ 574.191003][ T30]
[ 574.193954][ T30] dump_stack_lvl+0x241/0x360
[ 574.198976][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.204227][ T30] ? __pfx__printk+0x10/0x10
[ 574.209016][ T30] ? vprintk_emit+0x631/0x770
[ 574.213918][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 574.220567][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 574.225556][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.234361][ T30] ? _printk+0xd5/0x120
[ 574.238685][ T30] ? __pfx__printk+0x10/0x10
[ 574.243395][ T30] ? __wake_up_klogd+0xcc/0x110
[ 574.248295][ T30] ? __pfx__printk+0x10/0x10
[ 574.253010][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 574.258075][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.264109][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.270214][ T30] watchdog+0xfde/0x1020
[ 574.276938][ T30] ? watchdog+0x1ea/0x1020
[ 574.282293][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.287107][ T30] kthread+0x2f0/0x390
[ 574.293241][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.301951][ T30] ? __pfx_kthread+0x10/0x10
[ 574.307322][ T30] ret_from_fork+0x4b/0x80
[ 574.311882][ T30] ? __pfx_kthread+0x10/0x10
[ 574.316772][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.322048][ T30]
[ 574.325262][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 574.331009][ C0] NMI backtrace for cpu 0
[ 574.331023][ C0] CPU: 0 PID: 5121 Comm: syz-executor422 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.331042][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.331058][ C0] RIP: 0010:rcu_is_watching+0x3a/0xb0
[ 574.331088][ C0] Code: e8 4b 9e 0b 0a 89 c3 83 f8 08 73 7a 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd e0 09 dc 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 2c a4 7f 00 48 c7 c3 08 7d 03 00 49 03 1e 48 89
[ 574.331103][ C0] RSP: 0018:ffffc90004a4e5a0 EFLAGS: 00000246
[ 574.331119][ C0] RAX: 1ffffffff1bb813c RBX: 0000000000000000 RCX: ffffffff81728bc0
[ 574.331132][ C0] RDX: 0000000000000000 RSI: ffffffff8c1ff660 RDI: ffffffff8c1ff620
[ 574.331144][ C0] RBP: ffffc90004a4e6f0 R08: ffffffff8fad9aaf R09: 1ffffffff1f5b355
[ 574.331157][ C0] R10: dffffc0000000000 R11: fffffbfff1f5b356 R12: 1ffff92000949cc4
[ 574.331170][ C0] R13: ffffffff897c14c0 R14: ffffffff8ddc09e0 R15: dffffc0000000000
[ 574.331184][ C0] FS: 0000555582152380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 574.331199][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.331211][ C0] CR2: 00007fff98d32eac CR3: 000000007c0c4000 CR4: 00000000003506f0
[ 574.331226][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.331236][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.331247][ C0] Call Trace:
[ 574.331256][ C0]
[ 574.331264][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.331288][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 574.331308][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.331329][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.331365][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.331386][ C0] ? nmi_handle+0x14f/0x5a0
[ 574.331412][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.331439][ C0] ? rcu_is_watching+0x3a/0xb0
[ 574.331465][ C0] ? default_do_nmi+0x63/0x160
[ 574.331488][ C0] ? exc_nmi+0x123/0x1f0
[ 574.331508][ C0] ? end_repeat_nmi+0xf/0x53
[ 574.331529][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.331552][ C0] ? lock_release+0xb0/0x9f0
[ 574.331571][ C0] ? rcu_is_watching+0x3a/0xb0
[ 574.331591][ C0] ? rcu_is_watching+0x3a/0xb0
[ 574.331612][ C0] ? rcu_is_watching+0x3a/0xb0
[ 574.331632][ C0]
[ 574.331637][ C0]
[ 574.331644][ C0] lock_release+0xbf/0x9f0
[ 574.331665][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 574.331683][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.331704][ C0] ? __pfx_lock_release+0x10/0x10
[ 574.331722][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.331744][ C0] ? tcf_idr_check_alloc+0x1fa/0x900
[ 574.331766][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.331786][ C0] tcf_idr_check_alloc+0xff/0x900
[ 574.331810][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.331832][ C0] ? __nla_parse+0x40/0x60
[ 574.331859][ C0] tcf_police_init+0x29b/0x17c0
[ 574.331880][ C0] ? __sock_sendmsg+0x221/0x270
[ 574.331903][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 574.331930][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.331966][ C0] ? nla_memcpy+0x5d/0xc0
[ 574.331990][ C0] ? __asan_memcpy+0x40/0x70
[ 574.332011][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.332033][ C0] tcf_action_init_1+0x5d7/0x890
[ 574.332060][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.332096][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.332120][ C0] tcf_action_init+0x2e4/0x940
[ 574.332148][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 574.332203][ C0] ? apparmor_capable+0x138/0x1b0
[ 574.332235][ C0] tc_ctl_action+0x47d/0xcf0
[ 574.332258][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 574.332283][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.332321][ C0] ? trace_contention_end+0x3c/0x120
[ 574.332345][ C0] ? __mutex_lock+0x2ef/0xd70
[ 574.332377][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 574.332409][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.332430][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.332463][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.332488][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.332510][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 574.332533][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.332556][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.332578][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 574.332611][ C0] ? mark_lock+0x9a/0x350
[ 574.332631][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.332654][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.332682][ C0] ? mark_lock+0x9a/0x350
[ 574.332704][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.332734][ C0] netlink_rcv_skb+0x1e3/0x430
[ 574.332760][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.332784][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.332821][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.332847][ C0] netlink_unicast+0x7ea/0x980
[ 574.332873][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 574.332894][ C0] ? __virt_addr_valid+0x183/0x520
[ 574.332920][ C0] ? __check_object_size+0x49c/0x900
[ 574.332936][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.332965][ C0] netlink_sendmsg+0x8db/0xcb0
[ 574.332996][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.333022][ C0] ? __import_iovec+0x536/0x820
[ 574.333046][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 574.333067][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.333084][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 574.333112][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.333135][ C0] __sock_sendmsg+0x221/0x270
[ 574.333161][ C0] ____sys_sendmsg+0x525/0x7d0
[ 574.333185][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.333213][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 574.333234][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.333271][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.333295][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.333315][ C0] ? exc_page_fault+0x590/0x8c0
[ 574.333342][ C0] ? do_syscall_64+0xb6/0x230
[ 574.333361][ C0] do_syscall_64+0xf3/0x230
[ 574.333379][ C0] ? clear_bhb_loop+0x35/0x90
[ 574.333400][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.333419][ C0] RIP: 0033:0x7fedd9be9df9
[ 574.333442][ 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
[ 574.333460][ C0] RSP: 002b:00007ffdb1d46b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.333477][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedd9be9df9
[ 574.333490][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.333501][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.333511][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.333521][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.333540][ C0]
[ 574.333548][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.539 msecs
[ 575.011745][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 575.018654][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 575.028785][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 575.038972][ T30] Call Trace:
[ 575.042295][ T30]
[ 575.045259][ T30] dump_stack_lvl+0x241/0x360
[ 575.049981][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 575.055253][ T30] ? __pfx__printk+0x10/0x10
[ 575.059906][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 575.066186][ T30] ? vscnprintf+0x5d/0x90
[ 575.070569][ T30] panic+0x349/0x860
[ 575.074527][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 575.080746][ T30] ? __pfx_panic+0x10/0x10
[ 575.085263][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 575.090694][ T30] ? __irq_work_queue_local+0x137/0x410
[ 575.096277][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 575.101691][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 575.107902][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 575.114209][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 575.120421][ T30] watchdog+0x101d/0x1020
[ 575.124806][ T30] ? watchdog+0x1ea/0x1020
[ 575.129294][ T30] ? __pfx_watchdog+0x10/0x10
[ 575.134003][ T30] kthread+0x2f0/0x390
[ 575.138110][ T30] ? __pfx_watchdog+0x10/0x10
[ 575.143014][ T30] ? __pfx_kthread+0x10/0x10
[ 575.147729][ T30] ret_from_fork+0x4b/0x80
[ 575.152246][ T30] ? __pfx_kthread+0x10/0x10
[ 575.156881][ T30] ret_from_fork_asm+0x1a/0x30
[ 575.161711][ T30]
[ 575.165073][ T30] Kernel Offset: disabled
[ 575.169461][ T30] Rebooting in 86400 seconds..