Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts.
executing program
[ 573.672682][ T30] INFO: task kworker/u8:5:82 blocked for more than 143 seconds.
[ 573.680693][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.688620][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.698396][ T30] task:kworker/u8:5 state:D stack:19192 pid:82 tgid:82 ppid:2 flags:0x00004000
[ 573.708705][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.715670][ T30] Call Trace:
[ 573.718986][ T30]
[ 573.721945][ T30] __schedule+0x17e8/0x4a20
[ 573.726599][ T30] ? __pfx___schedule+0x10/0x10
[ 573.731488][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.736926][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.742429][ T30] ? kthread_data+0x52/0xd0
[ 573.747049][ T30] ? schedule+0x90/0x320
[ 573.751561][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.756763][ T30] ? schedule+0x90/0x320
[ 573.761202][ T30] schedule+0x14b/0x320
[ 573.765472][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.771160][ T30] __mutex_lock+0x6a4/0xd70
[ 573.775765][ T30] ? __mutex_lock+0x527/0xd70
[ 573.780494][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.786024][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.791177][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.797486][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.804576][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.810343][ T30] addrconf_verify_work+0x19/0x30
[ 573.816232][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.821853][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.828408][ T30] ? assign_work+0x364/0x3d0
[ 573.833470][ T30] worker_thread+0x86d/0xd70
[ 573.838119][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.843685][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.848840][ T30] kthread+0x2f0/0x390
[ 573.853430][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.858582][ T30] ? __pfx_kthread+0x10/0x10
[ 573.863787][ T30] ret_from_fork+0x4b/0x80
[ 573.868252][ T30] ? __pfx_kthread+0x10/0x10
[ 573.873346][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.878172][ T30]
[ 573.881323][ T30]
[ 573.881323][ T30] Showing all locks held in the system:
[ 573.889969][ T30] 3 locks held by kworker/0:0/8:
[ 573.895423][ T30] 1 lock held by khungtaskd/30:
[ 573.900301][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.932559][ T30] 2 locks held by kworker/u8:4/62:
[ 573.937715][ T30] #0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.962575][ T30] #1: ffff8880b9528948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770
[ 573.992575][ T30] 3 locks held by kworker/u8:5/82:
[ 573.997743][ T30] #0: ffff88802a2ab948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 574.022544][ T30] #1: ffffc9000233fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 574.052585][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 574.062202][ T30] 2 locks held by getty/4851:
[ 574.068071][ T30] #0: ffff88802ae160a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 574.078371][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 574.088884][ T30] 2 locks held by syz-executor985/5114:
[ 574.094849][ T30]
[ 574.097205][ T30] =============================================
[ 574.097205][ T30]
[ 574.106535][ T30] NMI backtrace for cpu 1
[ 574.110901][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.120812][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.130890][ T30] Call Trace:
[ 574.134197][ T30]
[ 574.137148][ T30] dump_stack_lvl+0x241/0x360
[ 574.141857][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.147089][ T30] ? __pfx__printk+0x10/0x10
[ 574.151711][ T30] ? vprintk_emit+0x631/0x770
[ 574.156425][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 574.161486][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 574.166463][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.171951][ T30] ? _printk+0xd5/0x120
[ 574.176158][ T30] ? __pfx__printk+0x10/0x10
[ 574.180811][ T30] ? __wake_up_klogd+0xcc/0x110
[ 574.185714][ T30] ? __pfx__printk+0x10/0x10
[ 574.190350][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 574.195415][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.201428][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.207446][ T30] watchdog+0xfde/0x1020
[ 574.211838][ T30] ? watchdog+0x1ea/0x1020
[ 574.216297][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.221023][ T30] kthread+0x2f0/0x390
[ 574.225218][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.229919][ T30] ? __pfx_kthread+0x10/0x10
[ 574.234556][ T30] ret_from_fork+0x4b/0x80
[ 574.239003][ T30] ? __pfx_kthread+0x10/0x10
[ 574.243624][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.248534][ T30]
[ 574.251726][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 574.257100][ C0] NMI backtrace for cpu 0
[ 574.257112][ C0] CPU: 0 PID: 5114 Comm: syz-executor985 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.257131][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.257147][ C0] RIP: 0010:lock_acquire+0xa/0x550
[ 574.257173][ C0] Code: 0f 95 c0 c3 cc cc cc cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 20 01 00 00 4c 89 4c 24
[ 574.257188][ C0] RSP: 0018:ffffc900034066e0 EFLAGS: 00000246
[ 574.257204][ C0] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000002
[ 574.257215][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e333fa0
[ 574.257227][ C0] RBP: ffffc900034066e8 R08: 0000000000000000 R09: 0000000000000000
[ 574.257243][ C0] R10: dffffc0000000000 R11: fffffbfff1f5b356 R12: dffffc0000000000
[ 574.257256][ C0] R13: ffffffff897c14c0 R14: ffff88802a379e90 R15: dffffc0000000000
[ 574.257269][ C0] FS: 0000555569176380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 574.257290][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.257302][ C0] CR2: 00007f1508b78bd0 CR3: 000000007baee000 CR4: 00000000003506f0
[ 574.257317][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.257327][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.257338][ C0] Call Trace:
[ 574.257346][ C0]
[ 574.257353][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.257377][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 574.257397][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.257418][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.257453][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.257474][ C0] ? nmi_handle+0x14f/0x5a0
[ 574.257500][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.257527][ C0] ? lock_acquire+0xa/0x550
[ 574.257544][ C0] ? default_do_nmi+0x63/0x160
[ 574.257567][ C0] ? exc_nmi+0x123/0x1f0
[ 574.257588][ C0] ? end_repeat_nmi+0xf/0x53
[ 574.257608][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.257633][ C0] ? lock_acquire+0xa/0x550
[ 574.257651][ C0] ? lock_acquire+0xa/0x550
[ 574.257670][ C0] ? lock_acquire+0xa/0x550
[ 574.257687][ C0]
[ 574.257693][ C0]
[ 574.257699][ C0] tcf_idr_check_alloc+0x12d/0x900
[ 574.257719][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.257742][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.257763][ C0] ? __nla_parse+0x40/0x60
[ 574.257789][ C0] tcf_police_init+0x29b/0x17c0
[ 574.257811][ C0] ? __sock_sendmsg+0x221/0x270
[ 574.257833][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 574.257860][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.257897][ C0] ? nla_memcpy+0x5d/0xc0
[ 574.257920][ C0] ? __asan_memcpy+0x40/0x70
[ 574.257941][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.257963][ C0] tcf_action_init_1+0x5d7/0x890
[ 574.257991][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.258032][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.258055][ C0] tcf_action_init+0x2e4/0x940
[ 574.258084][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 574.258139][ C0] ? apparmor_capable+0x138/0x1b0
[ 574.258170][ C0] tc_ctl_action+0x47d/0xcf0
[ 574.258192][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 574.258217][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.258260][ C0] ? trace_contention_end+0x3c/0x120
[ 574.258284][ C0] ? __mutex_lock+0x2ef/0xd70
[ 574.258315][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 574.258347][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.258368][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.258394][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.258419][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.258441][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 574.258464][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.258487][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.258509][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 574.258542][ C0] ? mark_lock+0x9a/0x350
[ 574.258561][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.258584][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.258612][ C0] ? mark_lock+0x9a/0x350
[ 574.258634][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.258664][ C0] netlink_rcv_skb+0x1e3/0x430
[ 574.258689][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.258713][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.258750][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.258775][ C0] netlink_unicast+0x7ea/0x980
[ 574.258802][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 574.258822][ C0] ? __virt_addr_valid+0x183/0x520
[ 574.258848][ C0] ? __check_object_size+0x49c/0x900
[ 574.258864][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.258893][ C0] netlink_sendmsg+0x8db/0xcb0
[ 574.258924][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.258950][ C0] ? __import_iovec+0x536/0x820
[ 574.258974][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 574.258996][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.259018][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 574.259045][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.259069][ C0] __sock_sendmsg+0x221/0x270
[ 574.259094][ C0] ____sys_sendmsg+0x525/0x7d0
[ 574.259119][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.259152][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 574.259173][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.259209][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.259238][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.259263][ C0] ? exc_page_fault+0x590/0x8c0
[ 574.259290][ C0] ? do_syscall_64+0xb6/0x230
[ 574.259309][ C0] do_syscall_64+0xf3/0x230
[ 574.259326][ C0] ? clear_bhb_loop+0x35/0x90
[ 574.259348][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.259367][ C0] RIP: 0033:0x7f3adf993df9
[ 574.259393][ 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
[ 574.259410][ C0] RSP: 002b:00007fffedd9de68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.259428][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3adf993df9
[ 574.259440][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.259450][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.259461][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.259471][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.259490][ C0]
[ 574.259498][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.398 msecs
[ 574.887893][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.894768][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.904679][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.914748][ T30] Call Trace:
[ 574.918042][ T30]
[ 574.920988][ T30] dump_stack_lvl+0x241/0x360
[ 574.925692][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.930921][ T30] ? __pfx__printk+0x10/0x10
[ 574.935547][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.941553][ T30] ? vscnprintf+0x5d/0x90
[ 574.945911][ T30] panic+0x349/0x860
[ 574.949841][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.956027][ T30] ? __pfx_panic+0x10/0x10
[ 574.960472][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.965878][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.971449][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.976841][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.983018][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.989286][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.995554][ T30] watchdog+0x101d/0x1020
[ 574.999918][ T30] ? watchdog+0x1ea/0x1020
[ 575.004371][ T30] ? __pfx_watchdog+0x10/0x10
[ 575.009086][ T30] kthread+0x2f0/0x390
[ 575.013181][ T30] ? __pfx_watchdog+0x10/0x10
[ 575.017879][ T30] ? __pfx_kthread+0x10/0x10
[ 575.022494][ T30] ret_from_fork+0x4b/0x80
[ 575.026938][ T30] ? __pfx_kthread+0x10/0x10
[ 575.031557][ T30] ret_from_fork_asm+0x1a/0x30
[ 575.036366][ T30]
[ 575.039780][ T30] Kernel Offset: disabled
[ 575.044110][ T30] Rebooting in 86400 seconds..