Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts.
executing program
[ 716.905187][ T30] INFO: task kworker/u8:8:2842 blocked for more than 143 seconds.
[ 716.913221][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.921105][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.931013][ T30] task:kworker/u8:8 state:D stack:19928 pid:2842 tgid:2842 ppid:2 flags:0x00004000
[ 716.941551][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.948127][ T30] Call Trace:
[ 716.951421][ T30] <TASK>
[ 716.954363][ T30] __schedule+0x17e8/0x4a20
[ 716.959562][ T30] ? __pfx___schedule+0x10/0x10
[ 716.964446][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.969905][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 716.975719][ T30] ? kthread_data+0x52/0xd0
[ 716.980243][ T30] ? schedule+0x90/0x320
[ 716.984496][ T30] ? wq_worker_sleeping+0x66/0x240
[ 716.990228][ T30] ? schedule+0x90/0x320
[ 716.994499][ T30] schedule+0x14b/0x320
[ 716.999094][ T30] schedule_preempt_disabled+0x13/0x30
[ 717.004575][ T30] __mutex_lock+0x6a4/0xd70
[ 717.009533][ T30] ? __mutex_lock+0x527/0xd70
[ 717.014237][ T30] ? addrconf_verify_work+0x19/0x30
[ 717.019867][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 717.025172][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.031176][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.038562][ T30] ? process_scheduled_works+0x945/0x1830
[ 717.044311][ T30] addrconf_verify_work+0x19/0x30
[ 717.049938][ T30] process_scheduled_works+0xa2c/0x1830
[ 717.055869][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 717.061878][ T30] ? assign_work+0x364/0x3d0
[ 717.066890][ T30] worker_thread+0x86d/0xd70
[ 717.071509][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 717.077853][ T30] ? __kthread_parkme+0x169/0x1d0
[ 717.082926][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.088459][ T30] kthread+0x2f0/0x390
[ 717.092547][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.097746][ T30] ? __pfx_kthread+0x10/0x10
[ 717.102347][ T30] ret_from_fork+0x4b/0x80
[ 717.107331][ T30] ? __pfx_kthread+0x10/0x10
[ 717.111941][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.117201][ T30] </TASK>
[ 717.120261][ T30]
[ 717.120261][ T30] Showing all locks held in the system:
[ 717.128642][ T30] 1 lock held by khungtaskd/30:
[ 717.133510][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.143886][ T30] 3 locks held by kworker/u8:8/2842:
[ 717.150459][ T30] #0: ffff88802a1b5148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.162466][ T30] #1: ffffc90009c47d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.176491][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.186324][ T30] 2 locks held by getty/4846:
[ 717.191009][ T30] #0: ffff88802f7520a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.201392][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.211907][ T30] 2 locks held by syz-executor348/5115:
[ 717.217783][ T30]
[ 717.220115][ T30] =============================================
[ 717.220115][ T30]
[ 717.229106][ T30] NMI backtrace for cpu 0
[ 717.233447][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.243338][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.253395][ T30] Call Trace:
[ 717.256677][ T30] <TASK>
[ 717.259613][ T30] dump_stack_lvl+0x241/0x360
[ 717.264303][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.269505][ T30] ? __pfx__printk+0x10/0x10
[ 717.274101][ T30] ? vprintk_emit+0x631/0x770
[ 717.278793][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.283832][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.288782][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.294245][ T30] ? _printk+0xd5/0x120
[ 717.298410][ T30] ? __pfx__printk+0x10/0x10
[ 717.303008][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.307868][ T30] ? __pfx__printk+0x10/0x10
[ 717.312472][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.317508][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.323519][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.329541][ T30] watchdog+0xfde/0x1020
[ 717.333811][ T30] ? watchdog+0x1ea/0x1020
[ 717.338242][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.342925][ T30] kthread+0x2f0/0x390
[ 717.347005][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.351688][ T30] ? __pfx_kthread+0x10/0x10
[ 717.356285][ T30] ret_from_fork+0x4b/0x80
[ 717.360709][ T30] ? __pfx_kthread+0x10/0x10
[ 717.365305][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.370106][ T30] </TASK>
[ 717.373248][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 717.378507][ C1] NMI backtrace for cpu 1
[ 717.378519][ C1] CPU: 1 PID: 5115 Comm: syz-executor348 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.378536][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.378550][ C1] RIP: 0010:__lock_acquire+0x7fc/0x1fd0
[ 717.378573][ C1] Code: 0f 94 c3 00 db 80 c3 02 48 8b 44 24 40 0f b6 04 10 84 c0 0f 85 59 12 00 00 89 5c 24 28 48 8b 04 24 44 3b 20 0f 8d a5 02 00 00 <4d> 63 f4 4b 8d 04 b6 4d 8d ac c5 00 0b 00 00 48 c7 c0 e0 d6 7a 94
[ 717.378585][ C1] RSP: 0018:ffffc90002d1e4b0 EFLAGS: 00000097
[ 717.378600][ C1] RAX: ffff888017f5e4d8 RBX: 0000000000060004 RCX: 0000000000000001
[ 717.378610][ C1] RDX: dffffc0000000000 RSI: ffff888017f5e4e0 RDI: ffffffff92fb5580
[ 717.378622][ C1] RBP: 00000000ffffffff R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 717.378633][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: 0000000000000000
[ 717.378644][ C1] R13: ffff888017f5da00 R14: 1ffff11002febca5 R15: ffff888017f5e528
[ 717.378655][ C1] FS: 0000555566d09380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 717.378669][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.378679][ C1] CR2: 00007f99f5ef2580 CR3: 000000007d65e000 CR4: 00000000003506f0
[ 717.378693][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.378702][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.378712][ C1] Call Trace:
[ 717.378719][ C1] <NMI>
[ 717.378725][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.378744][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.378760][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.378784][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.378801][ C1] ? nmi_handle+0x14f/0x5a0
[ 717.378821][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.378841][ C1] ? __lock_acquire+0x7fc/0x1fd0
[ 717.378856][ C1] ? default_do_nmi+0x63/0x160
[ 717.378874][ C1] ? exc_nmi+0x123/0x1f0
[ 717.378890][ C1] ? end_repeat_nmi+0xf/0x53
[ 717.378912][ C1] ? __lock_acquire+0x7fc/0x1fd0
[ 717.378927][ C1] ? __lock_acquire+0x7fc/0x1fd0
[ 717.378944][ C1] ? __lock_acquire+0x7fc/0x1fd0
[ 717.378959][ C1] </NMI>
[ 717.378964][ C1] <TASK>
[ 717.378976][ C1] lock_acquire+0x1ed/0x550
[ 717.378991][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.379011][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.379026][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.379042][ C1] ? __pfx_lock_release+0x10/0x10
[ 717.379059][ C1] ? __sanitizer_cov_trace_const_cmp1+0x35/0x90
[ 717.379078][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.379094][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 717.379114][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.379132][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.379149][ C1] ? __nla_parse+0x40/0x60
[ 717.379170][ C1] tcf_police_init+0x29b/0x17c0
[ 717.379187][ C1] ? __sock_sendmsg+0x221/0x270
[ 717.379205][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 717.379226][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.379253][ C1] ? nla_memcpy+0x5d/0xc0
[ 717.379271][ C1] ? __asan_memcpy+0x40/0x70
[ 717.379288][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.379305][ C1] tcf_action_init_1+0x5d7/0x890
[ 717.379326][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.379352][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.379370][ C1] tcf_action_init+0x2e4/0x940
[ 717.379392][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 717.379431][ C1] ? apparmor_capable+0x138/0x1b0
[ 717.379455][ C1] tc_ctl_action+0x47d/0xcf0
[ 717.379473][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 717.379493][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.379521][ C1] ? trace_contention_end+0x3c/0x120
[ 717.379539][ C1] ? __mutex_lock+0x2ef/0xd70
[ 717.379563][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 717.379587][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.379603][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.379624][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.379643][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.379660][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 717.379678][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.379696][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.379713][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 717.379738][ C1] ? mark_lock+0x9a/0x350
[ 717.379753][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.379771][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.379792][ C1] ? mark_lock+0x9a/0x350
[ 717.379809][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.379833][ C1] netlink_rcv_skb+0x1e3/0x430
[ 717.379852][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.379871][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.379898][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.379917][ C1] netlink_unicast+0x7ea/0x980
[ 717.379938][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 717.379954][ C1] ? __virt_addr_valid+0x183/0x520
[ 717.379974][ C1] ? __check_object_size+0x49c/0x900
[ 717.379988][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.380009][ C1] netlink_sendmsg+0x8db/0xcb0
[ 717.380033][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.380052][ C1] ? __import_iovec+0x536/0x820
[ 717.380070][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 717.380087][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.380101][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 717.380126][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.380144][ C1] __sock_sendmsg+0x221/0x270
[ 717.380164][ C1] ____sys_sendmsg+0x525/0x7d0
[ 717.380183][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.380205][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 717.380221][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.380249][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.380268][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.380284][ C1] ? exc_page_fault+0x590/0x8c0
[ 717.380304][ C1] ? do_syscall_64+0xb6/0x230
[ 717.380320][ C1] do_syscall_64+0xf3/0x230
[ 717.380334][ C1] ? clear_bhb_loop+0x35/0x90
[ 717.380351][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.380368][ C1] RIP: 0033:0x7f0b33585df9
[ 717.380386][ 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
[ 717.380398][ C1] RSP: 002b:00007ffde3909438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.380413][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b33585df9
[ 717.380423][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.380433][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.380442][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.380452][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.380467][ C1] </TASK>
[ 717.380474][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.966 msecs
[ 718.034322][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 718.041178][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 718.051072][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 718.061130][ T30] Call Trace:
[ 718.064411][ T30] <TASK>
[ 718.067345][ T30] dump_stack_lvl+0x241/0x360
[ 718.072042][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 718.077251][ T30] ? __pfx__printk+0x10/0x10
[ 718.081849][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 718.087842][ T30] ? vscnprintf+0x5d/0x90
[ 718.092188][ T30] panic+0x349/0x860
[ 718.096180][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.102340][ T30] ? __pfx_panic+0x10/0x10
[ 718.106761][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 718.112152][ T30] ? __irq_work_queue_local+0x137/0x410
[ 718.117704][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 718.123078][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.129235][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 718.135395][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 718.141554][ T30] watchdog+0x101d/0x1020
[ 718.145892][ T30] ? watchdog+0x1ea/0x1020
[ 718.150321][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.155004][ T30] kthread+0x2f0/0x390
[ 718.159079][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.163757][ T30] ? __pfx_kthread+0x10/0x10
[ 718.168358][ T30] ret_from_fork+0x4b/0x80
[ 718.172783][ T30] ? __pfx_kthread+0x10/0x10
[ 718.177377][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.182161][ T30] </TASK>
[ 718.185428][ T30] Kernel Offset: disabled
[ 718.189746][ T30] Rebooting in 86400 seconds..