Warning: Permanently added '10.128.1.225' (ED25519) to the list of known hosts.
executing program
[ 573.394412][ T30] INFO: task kworker/u8:4:63 blocked for more than 143 seconds.
[ 573.402245][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.410515][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.419389][ T30] task:kworker/u8:4 state:D stack:22672 pid:63 tgid:63 ppid:2 flags:0x00004000
[ 573.429757][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.436216][ T30] Call Trace:
[ 573.439505][ T30] <TASK>
[ 573.442445][ T30] __schedule+0x17e8/0x4a20
[ 573.447278][ T30] ? __pfx___schedule+0x10/0x10
[ 573.452156][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.457446][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.462924][ T30] ? kthread_data+0x52/0xd0
[ 573.467657][ T30] ? schedule+0x90/0x320
[ 573.471917][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.477250][ T30] ? schedule+0x90/0x320
[ 573.481514][ T30] schedule+0x14b/0x320
[ 573.485985][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.491464][ T30] __mutex_lock+0x6a4/0xd70
[ 573.496195][ T30] ? __mutex_lock+0x527/0xd70
[ 573.500895][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.506350][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.511389][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.518073][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.524660][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.530396][ T30] addrconf_verify_work+0x19/0x30
[ 573.535749][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.541352][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.547618][ T30] ? assign_work+0x364/0x3d0
[ 573.552229][ T30] worker_thread+0x86d/0xd70
[ 573.557048][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 573.562965][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.568312][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.573441][ T30] kthread+0x2f0/0x390
[ 573.577901][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.583028][ T30] ? __pfx_kthread+0x10/0x10
[ 573.587858][ T30] ret_from_fork+0x4b/0x80
[ 573.592297][ T30] ? __pfx_kthread+0x10/0x10
[ 573.597112][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.601910][ T30] </TASK>
[ 573.605269][ T30]
[ 573.605269][ T30] Showing all locks held in the system:
[ 573.613005][ T30] 1 lock held by khungtaskd/30:
[ 573.618216][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.628675][ T30] 3 locks held by kworker/u8:4/63:
[ 573.633792][ T30] #0: ffff88802a285948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.645690][ T30] #1: ffffc900015e7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.659551][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.669350][ T30] 2 locks held by getty/4849:
[ 573.674034][ T30] #0: ffff8880300f00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.684038][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.694395][ T30] 1 lock held by syz-executor181/5108:
[ 573.699859][ T30]
[ 573.702189][ T30] =============================================
[ 573.702189][ T30]
[ 573.710918][ T30] NMI backtrace for cpu 1
[ 573.715259][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.725153][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.735209][ T30] Call Trace:
[ 573.738490][ T30] <TASK>
[ 573.741422][ T30] dump_stack_lvl+0x241/0x360
[ 573.746112][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.751313][ T30] ? __pfx__printk+0x10/0x10
[ 573.755911][ T30] ? vprintk_emit+0x631/0x770
[ 573.760598][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.765649][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.770609][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.776075][ T30] ? _printk+0xd5/0x120
[ 573.780244][ T30] ? __pfx__printk+0x10/0x10
[ 573.784851][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.789729][ T30] ? __pfx__printk+0x10/0x10
[ 573.794340][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.799374][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.805360][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 573.811364][ T30] watchdog+0xfde/0x1020
[ 573.815624][ T30] ? watchdog+0x1ea/0x1020
[ 573.820054][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.824738][ T30] kthread+0x2f0/0x390
[ 573.828816][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.833498][ T30] ? __pfx_kthread+0x10/0x10
[ 573.838097][ T30] ret_from_fork+0x4b/0x80
[ 573.842520][ T30] ? __pfx_kthread+0x10/0x10
[ 573.847116][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.851905][ T30] </TASK>
[ 573.855033][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 573.860264][ C0] NMI backtrace for cpu 0
[ 573.860275][ C0] CPU: 0 PID: 5108 Comm: syz-executor181 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.860292][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.860306][ C0] RIP: 0010:lock_release+0x16d/0x9f0
[ 573.860328][ C0] Code: eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 9c 6f 89 00 4c 89 6c 24 50 48 c7 84 24 b0 00 00 00 00 00 00 00 9c 8f 84 24 b0 00 00 00 <42> 80 3c 3b 00 74 08 4c 89 f7 e8 84 6e 89 00 48 8b 9c 24 b0 00 00
[ 573.860341][ C0] RSP: 0018:ffffc9000433e5c0 EFLAGS: 00000246
[ 573.860355][ C0] RAX: 0000000000000000 RBX: 1ffff92000867cce RCX: ffffffff81728bc0
[ 573.860367][ C0] RDX: 0000000000000000 RSI: ffffffff8c1ff660 RDI: ffffffff8c1ff620
[ 573.860377][ C0] RBP: ffffc9000433e6f0 R08: ffffffff8fad9aaf R09: 1ffffffff1f5b355
[ 573.860388][ C0] R10: dffffc0000000000 R11: fffffbfff1f5b356 R12: 1ffff92000867cc4
[ 573.860400][ C0] R13: ffffffff897c14c0 R14: ffffc9000433e670 R15: dffffc0000000000
[ 573.860411][ C0] FS: 000055556c8bc380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 573.860425][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.860436][ C0] CR2: 0000563a22fad600 CR3: 000000007783c000 CR4: 00000000003506f0
[ 573.860449][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.860458][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.860467][ C0] Call Trace:
[ 573.860474][ C0] <NMI>
[ 573.860480][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 573.860498][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.860515][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.860532][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.860560][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 573.860576][ C0] ? nmi_handle+0x14f/0x5a0
[ 573.860596][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.860616][ C0] ? lock_release+0x16d/0x9f0
[ 573.860630][ C0] ? default_do_nmi+0x63/0x160
[ 573.860648][ C0] ? exc_nmi+0x123/0x1f0
[ 573.860665][ C0] ? end_repeat_nmi+0xf/0x53
[ 573.860682][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.860701][ C0] ? lock_release+0xb0/0x9f0
[ 573.860716][ C0] ? lock_release+0x16d/0x9f0
[ 573.860732][ C0] ? lock_release+0x16d/0x9f0
[ 573.860747][ C0] ? lock_release+0x16d/0x9f0
[ 573.860763][ C0] </NMI>
[ 573.860768][ C0] <TASK>
[ 573.860775][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.860790][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.860806][ C0] ? __pfx_lock_release+0x10/0x10
[ 573.860824][ C0] ? __sanitizer_cov_trace_const_cmp1+0x35/0x90
[ 573.860844][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.860860][ C0] tcf_idr_check_alloc+0xff/0x900
[ 573.860880][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 573.860897][ C0] ? __nla_parse+0x40/0x60
[ 573.860918][ C0] tcf_police_init+0x29b/0x17c0
[ 573.860935][ C0] ? __sock_sendmsg+0x221/0x270
[ 573.860953][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 573.860975][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.861005][ C0] ? nla_memcpy+0x5d/0xc0
[ 573.861022][ C0] ? __asan_memcpy+0x40/0x70
[ 573.861040][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.861057][ C0] tcf_action_init_1+0x5d7/0x890
[ 573.861079][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 573.861108][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 573.861126][ C0] tcf_action_init+0x2e4/0x940
[ 573.861150][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 573.861195][ C0] ? apparmor_capable+0x138/0x1b0
[ 573.861221][ C0] tc_ctl_action+0x47d/0xcf0
[ 573.861238][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 573.861259][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.861295][ C0] ? trace_contention_end+0x3c/0x120
[ 573.861314][ C0] ? __mutex_lock+0x2ef/0xd70
[ 573.861338][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 573.861363][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.861380][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 573.861401][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 573.861420][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.861438][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 573.861456][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.861474][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.861492][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 573.861517][ C0] ? mark_lock+0x9a/0x350
[ 573.861532][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.861551][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.861573][ C0] ? mark_lock+0x9a/0x350
[ 573.861591][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.861616][ C0] netlink_rcv_skb+0x1e3/0x430
[ 573.861636][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.861655][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 573.861685][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 573.861705][ C0] netlink_unicast+0x7ea/0x980
[ 573.861727][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 573.861743][ C0] ? __virt_addr_valid+0x183/0x520
[ 573.861763][ C0] ? __check_object_size+0x49c/0x900
[ 573.861777][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 573.861799][ C0] netlink_sendmsg+0x8db/0xcb0
[ 573.861824][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.861843][ C0] ? __import_iovec+0x536/0x820
[ 573.861861][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 573.861878][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 573.861892][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 573.861913][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.861930][ C0] __sock_sendmsg+0x221/0x270
[ 573.861950][ C0] ____sys_sendmsg+0x525/0x7d0
[ 573.861971][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 573.861994][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 573.862011][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 573.862042][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.862062][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.862078][ C0] ? exc_page_fault+0x590/0x8c0
[ 573.862099][ C0] ? do_syscall_64+0xb6/0x230
[ 573.862115][ C0] do_syscall_64+0xf3/0x230
[ 573.862130][ C0] ? clear_bhb_loop+0x35/0x90
[ 573.862147][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.862163][ C0] RIP: 0033:0x7f16dfcb2df9
[ 573.862181][ 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
[ 573.862192][ C0] RSP: 002b:00007fff4fb00698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.862207][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f16dfcb2df9
[ 573.862218][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.862227][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.862236][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.862245][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.862266][ C0] </TASK>
[ 573.862273][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.013 msecs
[ 574.516629][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.523489][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.533377][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.543433][ T30] Call Trace:
[ 574.546713][ T30] <TASK>
[ 574.549644][ T30] dump_stack_lvl+0x241/0x360
[ 574.554331][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.559532][ T30] ? __pfx__printk+0x10/0x10
[ 574.564128][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.570119][ T30] ? vscnprintf+0x5d/0x90
[ 574.574456][ T30] panic+0x349/0x860
[ 574.578358][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.584515][ T30] ? __pfx_panic+0x10/0x10
[ 574.588939][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.594405][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.599954][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.605348][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.611502][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.617666][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.623825][ T30] watchdog+0x101d/0x1020
[ 574.628160][ T30] ? watchdog+0x1ea/0x1020
[ 574.632586][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.637271][ T30] kthread+0x2f0/0x390
[ 574.641356][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.646050][ T30] ? __pfx_kthread+0x10/0x10
[ 574.650654][ T30] ret_from_fork+0x4b/0x80
[ 574.655085][ T30] ? __pfx_kthread+0x10/0x10
[ 574.659695][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.664491][ T30] </TASK>
[ 574.667732][ T30] Kernel Offset: disabled
[ 574.672050][ T30] Rebooting in 86400 seconds..