Warning: Permanently added '10.128.1.207' (ED25519) to the list of known hosts.
executing program
[ 716.933765][ T30] INFO: task kworker/u8:6:2397 blocked for more than 143 seconds.
[ 716.941804][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.950094][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.959001][ T30] task:kworker/u8:6 state:D stack:19928 pid:2397 tgid:2397 ppid:2 flags:0x00004000
[ 716.969598][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.976075][ T30] Call Trace:
[ 716.979461][ T30]
[ 716.982412][ T30] __schedule+0x17e8/0x4a20
[ 716.987289][ T30] ? __pfx___schedule+0x10/0x10
[ 716.992254][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.997605][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 717.003104][ T30] ? kthread_data+0x52/0xd0
[ 717.007884][ T30] ? schedule+0x90/0x320
[ 717.012320][ T30] ? wq_worker_sleeping+0x66/0x240
[ 717.017679][ T30] ? schedule+0x90/0x320
[ 717.021973][ T30] schedule+0x14b/0x320
[ 717.026413][ T30] schedule_preempt_disabled+0x13/0x30
[ 717.031980][ T30] __mutex_lock+0x6a4/0xd70
[ 717.036548][ T30] ? __mutex_lock+0x527/0xd70
[ 717.041256][ T30] ? addrconf_verify_work+0x19/0x30
[ 717.047194][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 717.052544][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.059087][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.065993][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 717.071395][ T30] ? process_scheduled_works+0x945/0x1830
[ 717.077384][ T30] addrconf_verify_work+0x19/0x30
[ 717.082432][ T30] process_scheduled_works+0xa2c/0x1830
[ 717.088406][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 717.094699][ T30] ? assign_work+0x364/0x3d0
[ 717.099329][ T30] worker_thread+0x86d/0xd70
[ 717.104237][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 717.110160][ T30] ? __kthread_parkme+0x169/0x1d0
[ 717.115561][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.120731][ T30] kthread+0x2f0/0x390
[ 717.125123][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.130254][ T30] ? __pfx_kthread+0x10/0x10
[ 717.135093][ T30] ret_from_fork+0x4b/0x80
[ 717.139532][ T30] ? __pfx_kthread+0x10/0x10
[ 717.144416][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.149223][ T30]
[ 717.152305][ T30]
[ 717.152305][ T30] Showing all locks held in the system:
[ 717.160367][ T30] 1 lock held by khungtaskd/30:
[ 717.165620][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.176218][ T30] 3 locks held by kworker/u8:6/2397:
[ 717.181526][ T30] #0: ffff888029e97948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.193572][ T30] #1: ffffc900096d7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.207347][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.217138][ T30] 1 lock held by syslogd/4529:
[ 717.221913][ T30] #0: ffff8880b953e7d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 717.232166][ T30] 2 locks held by getty/4849:
[ 717.237033][ T30] #0: ffff88802a8ef0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.247155][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.257524][ T30] 2 locks held by syz-executor870/5122:
[ 717.263087][ T30]
[ 717.265735][ T30] =============================================
[ 717.265735][ T30]
[ 717.274702][ T30] NMI backtrace for cpu 0
[ 717.279044][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.289129][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.299200][ T30] Call Trace:
[ 717.302508][ T30]
[ 717.305458][ T30] dump_stack_lvl+0x241/0x360
[ 717.310163][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.315371][ T30] ? __pfx__printk+0x10/0x10
[ 717.319971][ T30] ? vprintk_emit+0x631/0x770
[ 717.324663][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.329707][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.334661][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.340126][ T30] ? _printk+0xd5/0x120
[ 717.344293][ T30] ? __pfx__printk+0x10/0x10
[ 717.348894][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.353758][ T30] ? __pfx__printk+0x10/0x10
[ 717.358364][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.363399][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.369387][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.375382][ T30] watchdog+0xfde/0x1020
[ 717.379636][ T30] ? watchdog+0x1ea/0x1020
[ 717.384077][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.388765][ T30] kthread+0x2f0/0x390
[ 717.392848][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.397624][ T30] ? __pfx_kthread+0x10/0x10
[ 717.402227][ T30] ret_from_fork+0x4b/0x80
[ 717.406655][ T30] ? __pfx_kthread+0x10/0x10
[ 717.411254][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.416044][ T30]
[ 717.419235][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 717.424495][ C1] NMI backtrace for cpu 1
[ 717.424508][ C1] CPU: 1 PID: 5122 Comm: syz-executor870 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.424525][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.424538][ C1] RIP: 0010:__kasan_check_read+0x0/0x20
[ 717.424562][ C1] Code: 8d 4c 89 fe e8 b1 db 88 09 31 db eb d0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 89 f6 48 8b 0c 24 31 d2 e9 6f e6 ff ff 66 2e 0f 1f 84
[ 717.424574][ C1] RSP: 0018:ffffc900034fe4a8 EFLAGS: 00000003
[ 717.424588][ C1] RAX: 0000000000000001 RBX: 0000000000000077 RCX: 00000000275e791c
[ 717.424598][ C1] RDX: 000000007081d34c RSI: 0000000000000008 RDI: ffffffff92fb5588
[ 717.424609][ C1] RBP: beb0d827c32aa34a R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 717.424620][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: ffff8880257b8000
[ 717.424631][ C1] R13: ffff8880257b8000 R14: 0000000000000000 R15: ffff8880257b8000
[ 717.424642][ C1] FS: 0000555575bb0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 717.424656][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.424667][ C1] CR2: 000055c20ffcb7f0 CR3: 0000000021c48000 CR4: 00000000003506f0
[ 717.424680][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.424689][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.424699][ C1] Call Trace:
[ 717.424707][ C1]
[ 717.424713][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.424732][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.424749][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.424773][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.424789][ C1] ? nmi_handle+0x14f/0x5a0
[ 717.424809][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.424829][ C1] ? __pfx___kasan_check_read+0x10/0x10
[ 717.424845][ C1] ? default_do_nmi+0x63/0x160
[ 717.424864][ C1] ? exc_nmi+0x123/0x1f0
[ 717.424880][ C1] ? end_repeat_nmi+0xf/0x53
[ 717.424901][ C1] ? __pfx___kasan_check_read+0x10/0x10
[ 717.424917][ C1] ? __pfx___kasan_check_read+0x10/0x10
[ 717.424934][ C1] ? __pfx___kasan_check_read+0x10/0x10
[ 717.424949][ C1]
[ 717.424954][ C1]
[ 717.424959][ C1] __lock_acquire+0xf19/0x1fd0
[ 717.424982][ C1] lock_acquire+0x1ed/0x550
[ 717.424996][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.425016][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.425031][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.425047][ C1] ? __pfx_lock_release+0x10/0x10
[ 717.425064][ C1] ? __sanitizer_cov_trace_const_cmp1+0x2f/0x90
[ 717.425082][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.425098][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 717.425114][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.425132][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.425149][ C1] ? __nla_parse+0x40/0x60
[ 717.425170][ C1] tcf_police_init+0x29b/0x17c0
[ 717.425187][ C1] ? __sock_sendmsg+0x221/0x270
[ 717.425206][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 717.425226][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.425253][ C1] ? nla_memcpy+0x5d/0xc0
[ 717.425271][ C1] ? __asan_memcpy+0x40/0x70
[ 717.425287][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.425304][ C1] tcf_action_init_1+0x5d7/0x890
[ 717.425325][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.425352][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.425375][ C1] tcf_action_init+0x2e4/0x940
[ 717.425396][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 717.425436][ C1] ? apparmor_capable+0x138/0x1b0
[ 717.425459][ C1] tc_ctl_action+0x47d/0xcf0
[ 717.425477][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 717.425496][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.425524][ C1] ? trace_contention_end+0x3c/0x120
[ 717.425543][ C1] ? __mutex_lock+0x2ef/0xd70
[ 717.425566][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 717.425590][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.425606][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.425626][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.425645][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.425662][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 717.425681][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.425698][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.425715][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 717.425740][ C1] ? mark_lock+0x9a/0x350
[ 717.425756][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.425774][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.425795][ C1] ? mark_lock+0x9a/0x350
[ 717.425812][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.425835][ C1] netlink_rcv_skb+0x1e3/0x430
[ 717.425855][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.425874][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.425901][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.425921][ C1] netlink_unicast+0x7ea/0x980
[ 717.425941][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 717.425957][ C1] ? __virt_addr_valid+0x183/0x520
[ 717.425977][ C1] ? __check_object_size+0x49c/0x900
[ 717.425991][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.426012][ C1] netlink_sendmsg+0x8db/0xcb0
[ 717.426035][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.426055][ C1] ? __import_iovec+0x536/0x820
[ 717.426073][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 717.426089][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.426103][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 717.426124][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.426142][ C1] __sock_sendmsg+0x221/0x270
[ 717.426161][ C1] ____sys_sendmsg+0x525/0x7d0
[ 717.426181][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.426203][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 717.426219][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.426247][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.426266][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.426282][ C1] ? exc_page_fault+0x590/0x8c0
[ 717.426302][ C1] ? do_syscall_64+0xb6/0x230
[ 717.426318][ C1] do_syscall_64+0xf3/0x230
[ 717.426333][ C1] ? clear_bhb_loop+0x35/0x90
[ 717.426349][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.426371][ C1] RIP: 0033:0x7fe41d508df9
[ 717.426398][ 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
[ 717.426409][ C1] RSP: 002b:00007ffcd6593e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.426425][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe41d508df9
[ 717.426435][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.426444][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.426453][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.426462][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.426478][ C1]
[ 717.426484][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.989 msecs
[ 718.088664][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 718.095538][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 718.105435][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 718.115488][ T30] Call Trace:
[ 718.118770][ T30]
[ 718.121700][ T30] dump_stack_lvl+0x241/0x360
[ 718.126389][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 718.131593][ T30] ? __pfx__printk+0x10/0x10
[ 718.136194][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 718.142349][ T30] ? vscnprintf+0x5d/0x90
[ 718.146708][ T30] panic+0x349/0x860
[ 718.150631][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.156793][ T30] ? __pfx_panic+0x10/0x10
[ 718.161216][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 718.166631][ T30] ? __irq_work_queue_local+0x137/0x410
[ 718.172184][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 718.177560][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.183719][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 718.189881][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 718.196042][ T30] watchdog+0x101d/0x1020
[ 718.200382][ T30] ? watchdog+0x1ea/0x1020
[ 718.204810][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.209494][ T30] kthread+0x2f0/0x390
[ 718.213571][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.218276][ T30] ? __pfx_kthread+0x10/0x10
[ 718.222870][ T30] ret_from_fork+0x4b/0x80
[ 718.227293][ T30] ? __pfx_kthread+0x10/0x10
[ 718.231891][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.236680][ T30]
[ 718.239933][ T30] Kernel Offset: disabled
[ 718.244254][ T30] Rebooting in 86400 seconds..