Warning: Permanently added '10.128.1.120' (ED25519) to the list of known hosts.
executing program
[ 573.443800][ T30] INFO: task kworker/u8:11:2921 blocked for more than 143 seconds.
[ 573.451882][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.459977][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.469173][ T30] task:kworker/u8:11 state:D stack:19928 pid:2921 tgid:2921 ppid:2 flags:0x00004000
[ 573.479549][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.486035][ T30] Call Trace:
[ 573.489321][ T30]
[ 573.492259][ T30] __schedule+0x17e8/0x4a20
[ 573.497326][ T30] ? __pfx___schedule+0x10/0x10
[ 573.502266][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.507647][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.513134][ T30] ? kthread_data+0x52/0xd0
[ 573.517877][ T30] ? schedule+0x90/0x320
[ 573.522139][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.527522][ T30] ? schedule+0x90/0x320
[ 573.532221][ T30] schedule+0x14b/0x320
[ 573.536729][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.542214][ T30] __mutex_lock+0x6a4/0xd70
[ 573.546982][ T30] ? __mutex_lock+0x527/0xd70
[ 573.551681][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.557137][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.562181][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.568422][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.575468][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.581213][ T30] addrconf_verify_work+0x19/0x30
[ 573.586513][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.592374][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.598641][ T30] ? assign_work+0x364/0x3d0
[ 573.603264][ T30] worker_thread+0x86d/0xd70
[ 573.608199][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 573.614319][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.619364][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.624816][ T30] kthread+0x2f0/0x390
[ 573.628905][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.634238][ T30] ? __pfx_kthread+0x10/0x10
[ 573.638847][ T30] ret_from_fork+0x4b/0x80
[ 573.643373][ T30] ? __pfx_kthread+0x10/0x10
[ 573.648255][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.653058][ T30]
[ 573.656328][ T30]
[ 573.656328][ T30] Showing all locks held in the system:
[ 573.664321][ T30] 1 lock held by khungtaskd/30:
[ 573.669181][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.679357][ T30] 3 locks held by kworker/u8:11/2921:
[ 573.685415][ T30] #0: ffff888029a9f948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.697249][ T30] #1: ffffc9000a047d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.711271][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.721036][ T30] 2 locks held by getty/4848:
[ 573.725941][ T30] #0: ffff88802a51d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.735918][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.746250][ T30] 2 locks held by syz-executor149/5116:
[ 573.751802][ T30]
[ 573.754357][ T30] =============================================
[ 573.754357][ T30]
[ 573.762784][ T30] NMI backtrace for cpu 1
[ 573.767118][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.777009][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.787588][ T30] Call Trace:
[ 573.790882][ T30]
[ 573.793814][ T30] dump_stack_lvl+0x241/0x360
[ 573.798500][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.803702][ T30] ? __pfx__printk+0x10/0x10
[ 573.808303][ T30] ? vprintk_emit+0x631/0x770
[ 573.812989][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.818025][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.822975][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.828473][ T30] ? _printk+0xd5/0x120
[ 573.832637][ T30] ? __pfx__printk+0x10/0x10
[ 573.837235][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.842094][ T30] ? __pfx__printk+0x10/0x10
[ 573.846694][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.851821][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.857809][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 573.863798][ T30] watchdog+0xfde/0x1020
[ 573.868055][ T30] ? watchdog+0x1ea/0x1020
[ 573.872487][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.877165][ T30] kthread+0x2f0/0x390
[ 573.881239][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.885917][ T30] ? __pfx_kthread+0x10/0x10
[ 573.890513][ T30] ret_from_fork+0x4b/0x80
[ 573.894934][ T30] ? __pfx_kthread+0x10/0x10
[ 573.899531][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.904322][ T30]
[ 573.907452][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 573.912682][ C0] NMI backtrace for cpu 0
[ 573.912693][ C0] CPU: 0 PID: 5116 Comm: syz-executor149 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.912709][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.912724][ C0] RIP: 0010:validate_chain+0x5c0/0x5900
[ 573.912750][ C0] Code: 3a 0e 00 48 8b 8c 24 c0 00 00 00 0f 84 24 3f 00 00 b8 01 00 00 00 48 c7 84 24 00 01 00 00 0e 36 e0 45 49 c7 04 0c 00 00 00 00 <49> c7 44 0c 09 00 00 00 00 49 c7 44 0c 11 00 00 00 00 49 c7 44 0c
[ 573.912762][ C0] RSP: 0018:ffffc900095261a0 EFLAGS: 00000002
[ 573.912777][ C0] RAX: 0000000000000001 RBX: 0000000000020021 RCX: 1ffff920012a4c54
[ 573.912788][ C0] RDX: 0000000000000000 RSI: ffff88807730e508 RDI: ffff88807730da00
[ 573.912799][ C0] RBP: ffffc900095264a0 R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 573.912810][ C0] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: dffffc0000000000
[ 573.912821][ C0] R13: ffff88807730e528 R14: beb0d827c32aa34a R15: ffff88807730da00
[ 573.912833][ C0] FS: 000055555813d380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 573.912846][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.912857][ C0] CR2: 0000000020001c48 CR3: 000000006e36c000 CR4: 00000000003506f0
[ 573.912870][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.912879][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.912889][ C0] Call Trace:
[ 573.912896][ C0]
[ 573.912902][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 573.912920][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.912937][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.912961][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 573.912982][ C0] ? nmi_handle+0x14f/0x5a0
[ 573.913002][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.913022][ C0] ? validate_chain+0x5c0/0x5900
[ 573.913039][ C0] ? default_do_nmi+0x63/0x160
[ 573.913057][ C0] ? exc_nmi+0x123/0x1f0
[ 573.913074][ C0] ? end_repeat_nmi+0xf/0x53
[ 573.913095][ C0] ? validate_chain+0x5c0/0x5900
[ 573.913112][ C0] ? validate_chain+0x5c0/0x5900
[ 573.913130][ C0] ? validate_chain+0x5c0/0x5900
[ 573.913148][ C0]
[ 573.913153][ C0]
[ 573.913159][ C0] ? mark_lock+0x9a/0x350
[ 573.913176][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.913196][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.913214][ C0] ? mark_lock+0x9a/0x350
[ 573.913231][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.913248][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.913265][ C0] ? _raw_spin_unlock_irqrestore+0x8f/0x140
[ 573.913284][ C0] ? mark_lock+0x9a/0x350
[ 573.913300][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.913317][ C0] ? mark_lock+0x9a/0x350
[ 573.913334][ C0] __lock_acquire+0x1346/0x1fd0
[ 573.913357][ C0] lock_acquire+0x1ed/0x550
[ 573.913371][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.913392][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.913407][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.913423][ C0] ? __pfx_lock_release+0x10/0x10
[ 573.913439][ C0] ? check_preemption_disabled+0x20/0x120
[ 573.913457][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.913473][ C0] tcf_idr_check_alloc+0x12d/0x900
[ 573.913488][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.913506][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 573.913526][ C0] ? __nla_parse+0x40/0x60
[ 573.913546][ C0] tcf_police_init+0x29b/0x17c0
[ 573.913564][ C0] ? __sock_sendmsg+0x221/0x270
[ 573.913581][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 573.913602][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.913629][ C0] ? nla_memcpy+0x5d/0xc0
[ 573.913647][ C0] ? __asan_memcpy+0x40/0x70
[ 573.913664][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.913681][ C0] tcf_action_init_1+0x5d7/0x890
[ 573.913702][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 573.913728][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 573.913747][ C0] tcf_action_init+0x2e4/0x940
[ 573.913769][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 573.913807][ C0] ? apparmor_capable+0x138/0x1b0
[ 573.913831][ C0] tc_ctl_action+0x47d/0xcf0
[ 573.913848][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 573.913868][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.913896][ C0] ? trace_contention_end+0x3c/0x120
[ 573.913914][ C0] ? __mutex_lock+0x2ef/0xd70
[ 573.913938][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 573.913961][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.913982][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 573.914004][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 573.914022][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.914040][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 573.914058][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.914075][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.914092][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 573.914116][ C0] ? mark_lock+0x9a/0x350
[ 573.914131][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.914150][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.914170][ C0] ? mark_lock+0x9a/0x350
[ 573.914187][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.914211][ C0] netlink_rcv_skb+0x1e3/0x430
[ 573.914230][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.914249][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 573.914276][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 573.914295][ C0] netlink_unicast+0x7ea/0x980
[ 573.914316][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 573.914332][ C0] ? __virt_addr_valid+0x183/0x520
[ 573.914352][ C0] ? __check_object_size+0x49c/0x900
[ 573.914365][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 573.914387][ C0] netlink_sendmsg+0x8db/0xcb0
[ 573.914410][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.914429][ C0] ? __import_iovec+0x536/0x820
[ 573.914447][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 573.914464][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 573.914478][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 573.914498][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.914516][ C0] __sock_sendmsg+0x221/0x270
[ 573.914535][ C0] ____sys_sendmsg+0x525/0x7d0
[ 573.914554][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 573.914576][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 573.914593][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 573.914620][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.914639][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.914655][ C0] ? exc_page_fault+0x590/0x8c0
[ 573.914676][ C0] ? do_syscall_64+0xb6/0x230
[ 573.914691][ C0] do_syscall_64+0xf3/0x230
[ 573.914706][ C0] ? clear_bhb_loop+0x35/0x90
[ 573.914723][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.914739][ C0] RIP: 0033:0x7f7da6974df9
[ 573.914758][ 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
[ 573.914770][ C0] RSP: 002b:00007ffce1b280b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.914785][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7da6974df9
[ 573.914796][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.914805][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.914814][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.914823][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.914839][ C0]
[ 573.914846][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.164 msecs
[ 574.625464][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.632341][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.642244][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.652315][ T30] Call Trace:
[ 574.655686][ T30]
[ 574.658622][ T30] dump_stack_lvl+0x241/0x360
[ 574.663309][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.668533][ T30] ? __pfx__printk+0x10/0x10
[ 574.673152][ T30] ? vscnprintf+0x5d/0x90
[ 574.677515][ T30] panic+0x349/0x860
[ 574.681439][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.687612][ T30] ? __pfx_panic+0x10/0x10
[ 574.692058][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.697552][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.703569][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.708963][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.715150][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.721450][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.727634][ T30] watchdog+0x101d/0x1020
[ 574.731990][ T30] ? watchdog+0x1ea/0x1020
[ 574.736424][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.741106][ T30] kthread+0x2f0/0x390
[ 574.745183][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.749861][ T30] ? __pfx_kthread+0x10/0x10
[ 574.754629][ T30] ret_from_fork+0x4b/0x80
[ 574.759054][ T30] ? __pfx_kthread+0x10/0x10
[ 574.763667][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.768452][ T30]
[ 574.771716][ T30] Kernel Offset: disabled
[ 574.776050][ T30] Rebooting in 86400 seconds..