Warning: Permanently added '10.128.0.126' (ED25519) to the list of known hosts.
executing program
[ 716.794385][ T30] INFO: task kworker/u8:8:2830 blocked for more than 143 seconds.
[ 716.802482][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.810786][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.819732][ T30] task:kworker/u8:8 state:D stack:19568 pid:2830 tgid:2830 ppid:2 flags:0x00004000
[ 716.830180][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.836703][ T30] Call Trace:
[ 716.840007][ T30]
[ 716.842954][ T30] __schedule+0x17e8/0x4a20
[ 716.847888][ T30] ? __pfx___schedule+0x10/0x10
[ 716.852778][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.858109][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 716.863596][ T30] ? kthread_data+0x52/0xd0
[ 716.868428][ T30] ? schedule+0x90/0x320
[ 716.872710][ T30] ? wq_worker_sleeping+0x66/0x240
[ 716.878197][ T30] ? schedule+0x90/0x320
[ 716.882456][ T30] schedule+0x14b/0x320
[ 716.886866][ T30] schedule_preempt_disabled+0x13/0x30
[ 716.892345][ T30] __mutex_lock+0x6a4/0xd70
[ 716.897181][ T30] ? __mutex_lock+0x527/0xd70
[ 716.901878][ T30] ? addrconf_verify_work+0x19/0x30
[ 716.907321][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 716.912362][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 716.919070][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 716.925653][ T30] ? process_scheduled_works+0x945/0x1830
[ 716.931390][ T30] addrconf_verify_work+0x19/0x30
[ 716.936689][ T30] process_scheduled_works+0xa2c/0x1830
[ 716.942284][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 716.948539][ T30] ? assign_work+0x364/0x3d0
[ 716.953152][ T30] worker_thread+0x86d/0xd70
[ 716.958000][ T30] ? __kthread_parkme+0x169/0x1d0
[ 716.963044][ T30] ? __pfx_worker_thread+0x10/0x10
[ 716.968578][ T30] kthread+0x2f0/0x390
[ 716.972778][ T30] ? __pfx_worker_thread+0x10/0x10
[ 716.978125][ T30] ? __pfx_kthread+0x10/0x10
[ 716.982729][ T30] ret_from_fork+0x4b/0x80
[ 716.987431][ T30] ? __pfx_kthread+0x10/0x10
[ 716.992042][ T30] ret_from_fork_asm+0x1a/0x30
[ 716.997081][ T30]
[ 717.000129][ T30]
[ 717.000129][ T30] Showing all locks held in the system:
[ 717.008133][ T30] 1 lock held by khungtaskd/30:
[ 717.012995][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.023298][ T30] 3 locks held by kworker/u8:8/2830:
[ 717.029466][ T30] #0: ffff88802a501148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.041355][ T30] #1: ffffc9000a017d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.055302][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.064867][ T30] 2 locks held by getty/4846:
[ 717.069544][ T30] #0: ffff88802ed1a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.079736][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.090061][ T30] 2 locks held by syz-executor217/5118:
[ 717.095797][ T30]
[ 717.098126][ T30] =============================================
[ 717.098126][ T30]
[ 717.106801][ T30] NMI backtrace for cpu 0
[ 717.111146][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.121039][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.131092][ T30] Call Trace:
[ 717.134379][ T30]
[ 717.137317][ T30] dump_stack_lvl+0x241/0x360
[ 717.142006][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.147206][ T30] ? __pfx__printk+0x10/0x10
[ 717.151895][ T30] ? vprintk_emit+0x631/0x770
[ 717.156589][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.161713][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.166700][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.172184][ T30] ? _printk+0xd5/0x120
[ 717.176363][ T30] ? __pfx__printk+0x10/0x10
[ 717.180967][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.185830][ T30] ? __pfx__printk+0x10/0x10
[ 717.190430][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.195645][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.201663][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.207658][ T30] watchdog+0xfde/0x1020
[ 717.211907][ T30] ? watchdog+0x1ea/0x1020
[ 717.216343][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.221113][ T30] kthread+0x2f0/0x390
[ 717.225189][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.229871][ T30] ? __pfx_kthread+0x10/0x10
[ 717.234467][ T30] ret_from_fork+0x4b/0x80
[ 717.238903][ T30] ? __pfx_kthread+0x10/0x10
[ 717.243497][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.248289][ T30]
[ 717.251464][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 717.256724][ C1] NMI backtrace for cpu 1
[ 717.256736][ C1] CPU: 1 PID: 5118 Comm: syz-executor217 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.256752][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.256766][ C1] RIP: 0010:lock_acquire+0x1e1/0x550
[ 717.256788][ C1] Code: 45 31 c9 41 f7 c7 00 02 00 00 41 0f 94 c1 48 8b 7c 24 20 44 89 f6 8b 54 24 1c 48 8b 4c 24 30 4c 8b 44 24 38 6a 00 6a 00 6a 00 75 10 ff 74 24 48 e8 c3 04 00 00 48 83 c4 28 48 c7 c7 00 cd ca
[ 717.256801][ C1] RSP: 0018:ffffc90003676588 EFLAGS: 00000006
[ 717.256815][ C1] RAX: 0000000000000001 RBX: ffffc90003676600 RCX: 0000000000000002
[ 717.256830][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e333fa0
[ 717.256840][ C1] RBP: ffffc900036766e8 R08: 0000000000000000 R09: 0000000000000000
[ 717.256849][ C1] R10: dffffc0000000000 R11: fffffbfff1f5b356 R12: 1ffff920006cecbc
[ 717.256861][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000246
[ 717.256871][ C1] FS: 000055557e884380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 717.256885][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.256896][ C1] CR2: 00007fe7afea6580 CR3: 000000007f07a000 CR4: 00000000003506f0
[ 717.256909][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.256918][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.256928][ C1] Call Trace:
[ 717.256936][ C1]
[ 717.256943][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.256962][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.256978][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.257002][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.257019][ C1] ? nmi_handle+0x14f/0x5a0
[ 717.257039][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.257059][ C1] ? lock_acquire+0x1e1/0x550
[ 717.257074][ C1] ? default_do_nmi+0x63/0x160
[ 717.257091][ C1] ? exc_nmi+0x123/0x1f0
[ 717.257108][ C1] ? end_repeat_nmi+0xf/0x53
[ 717.257129][ C1] ? lock_acquire+0x1e1/0x550
[ 717.257144][ C1] ? lock_acquire+0x1e1/0x550
[ 717.257160][ C1] ? lock_acquire+0x1e1/0x550
[ 717.257174][ C1]
[ 717.257179][ C1]
[ 717.257188][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.257203][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.257220][ C1] ? __pfx_lock_release+0x10/0x10
[ 717.257238][ C1] ? __pfx___sanitizer_cov_trace_pc+0x10/0x10
[ 717.257256][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.257272][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 717.257288][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.257306][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.257323][ C1] ? __nla_parse+0x40/0x60
[ 717.257342][ C1] tcf_police_init+0x29b/0x17c0
[ 717.257359][ C1] ? __sock_sendmsg+0x221/0x270
[ 717.257377][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 717.257398][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.257425][ C1] ? nla_memcpy+0x5d/0xc0
[ 717.257442][ C1] ? __asan_memcpy+0x40/0x70
[ 717.257459][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.257476][ C1] tcf_action_init_1+0x5d7/0x890
[ 717.257497][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.257524][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.257542][ C1] tcf_action_init+0x2e4/0x940
[ 717.257564][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 717.257604][ C1] ? apparmor_capable+0x138/0x1b0
[ 717.257627][ C1] tc_ctl_action+0x47d/0xcf0
[ 717.257645][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 717.257664][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.257692][ C1] ? trace_contention_end+0x3c/0x120
[ 717.257710][ C1] ? __mutex_lock+0x2ef/0xd70
[ 717.257734][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 717.257757][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.257774][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.257795][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.257814][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.257835][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 717.257854][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.257871][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.257888][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 717.257913][ C1] ? mark_lock+0x9a/0x350
[ 717.257927][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.257945][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.257967][ C1] ? mark_lock+0x9a/0x350
[ 717.257984][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.258007][ C1] netlink_rcv_skb+0x1e3/0x430
[ 717.258026][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.258044][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.258072][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.258090][ C1] netlink_unicast+0x7ea/0x980
[ 717.258111][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 717.258127][ C1] ? __virt_addr_valid+0x183/0x520
[ 717.258147][ C1] ? __check_object_size+0x49c/0x900
[ 717.258161][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.258182][ C1] netlink_sendmsg+0x8db/0xcb0
[ 717.258205][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.258225][ C1] ? __import_iovec+0x536/0x820
[ 717.258244][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 717.258261][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.258275][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 717.258295][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.258313][ C1] __sock_sendmsg+0x221/0x270
[ 717.258332][ C1] ____sys_sendmsg+0x525/0x7d0
[ 717.258351][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.258373][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 717.258389][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.258417][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.258436][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.258452][ C1] ? exc_page_fault+0x590/0x8c0
[ 717.258472][ C1] ? do_syscall_64+0xb6/0x230
[ 717.258488][ C1] do_syscall_64+0xf3/0x230
[ 717.258503][ C1] ? clear_bhb_loop+0x35/0x90
[ 717.258520][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.258536][ C1] RIP: 0033:0x7fc5647a6df9
[ 717.258554][ 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
[ 717.258565][ C1] RSP: 002b:00007fff0e286d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.258580][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5647a6df9
[ 717.258591][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.258600][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.258609][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.258618][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.258633][ C1]
[ 717.258640][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.915 msecs
[ 717.908232][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.915090][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.924980][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.935119][ T30] Call Trace:
[ 717.938398][ T30]
[ 717.941338][ T30] dump_stack_lvl+0x241/0x360
[ 717.946038][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.951237][ T30] ? __pfx__printk+0x10/0x10
[ 717.955840][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.961840][ T30] ? vscnprintf+0x5d/0x90
[ 717.966174][ T30] panic+0x349/0x860
[ 717.970077][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 717.976239][ T30] ? __pfx_panic+0x10/0x10
[ 717.980749][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 717.986128][ T30] ? __irq_work_queue_local+0x137/0x410
[ 717.991677][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 717.997052][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.003209][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 718.009378][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 718.015558][ T30] watchdog+0x101d/0x1020
[ 718.019894][ T30] ? watchdog+0x1ea/0x1020
[ 718.024319][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.029007][ T30] kthread+0x2f0/0x390
[ 718.033084][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.037771][ T30] ? __pfx_kthread+0x10/0x10
[ 718.042368][ T30] ret_from_fork+0x4b/0x80
[ 718.046791][ T30] ? __pfx_kthread+0x10/0x10
[ 718.051827][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.056615][ T30]
[ 718.059884][ T30] Kernel Offset: disabled
[ 718.064295][ T30] Rebooting in 86400 seconds..