Warning: Permanently added '10.128.10.4' (ED25519) to the list of known hosts.
executing program
[ 573.365769][ T30] INFO: task kworker/u8:7:2879 blocked for more than 143 seconds.
[ 573.373939][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.382964][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.392131][ T30] task:kworker/u8:7 state:D stack:19752 pid:2879 tgid:2879 ppid:2 flags:0x00004000
[ 573.402644][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.409257][ T30] Call Trace:
[ 573.412563][ T30]
[ 573.415957][ T30] __schedule+0x17e8/0x4a20
[ 573.420518][ T30] ? __pfx___schedule+0x10/0x10
[ 573.425841][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.430899][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.436769][ T30] ? kthread_data+0x52/0xd0
[ 573.441310][ T30] ? schedule+0x90/0x320
[ 573.446142][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.451300][ T30] ? schedule+0x90/0x320
[ 573.455937][ T30] schedule+0x14b/0x320
[ 573.460129][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.466079][ T30] __mutex_lock+0x6a4/0xd70
[ 573.470625][ T30] ? __mutex_lock+0x527/0xd70
[ 573.475799][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.481031][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.487220][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.493240][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.500062][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.506083][ T30] addrconf_verify_work+0x19/0x30
[ 573.511137][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.517120][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.523143][ T30] ? assign_work+0x364/0x3d0
[ 573.528620][ T30] worker_thread+0x86d/0xd70
[ 573.533263][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 573.539640][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.544711][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.550257][ T30] kthread+0x2f0/0x390
[ 573.554359][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.559961][ T30] ? __pfx_kthread+0x10/0x10
[ 573.564590][ T30] ret_from_fork+0x4b/0x80
[ 573.569517][ T30] ? __pfx_kthread+0x10/0x10
[ 573.574141][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.579376][ T30]
[ 573.582445][ T30]
[ 573.582445][ T30] Showing all locks held in the system:
[ 573.590808][ T30] 1 lock held by khungtaskd/30:
[ 573.596234][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.615598][ T30] 5 locks held by kworker/u8:6/1098:
[ 573.620944][ T30] 2 locks held by kworker/1:2/1791:
[ 573.635577][ T30] 3 locks held by kworker/u8:7/2879:
[ 573.641015][ T30] #0: ffff88802b082948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.675084][ T30] #1: ffffc90009c8fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.705128][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.714703][ T30] 2 locks held by getty/4849:
[ 573.735119][ T30] #0: ffff88802b6c60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.755091][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.775092][ T30] 1 lock held by syz-executor953/5118:
[ 573.780578][ T30]
[ 573.782911][ T30] =============================================
[ 573.782911][ T30]
[ 573.805121][ T30] NMI backtrace for cpu 1
[ 573.809487][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.819392][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.829460][ T30] Call Trace:
[ 573.832758][ T30]
[ 573.835701][ T30] dump_stack_lvl+0x241/0x360
[ 573.840408][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.845640][ T30] ? __pfx__printk+0x10/0x10
[ 573.850255][ T30] ? vprintk_emit+0x631/0x770
[ 573.854954][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.860006][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.864972][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.870447][ T30] ? _printk+0xd5/0x120
[ 573.874618][ T30] ? __pfx__printk+0x10/0x10
[ 573.879216][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.884079][ T30] ? __pfx__printk+0x10/0x10
[ 573.888682][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.893720][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.899707][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 573.905705][ T30] watchdog+0xfde/0x1020
[ 573.909960][ T30] ? watchdog+0x1ea/0x1020
[ 573.914384][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.919069][ T30] kthread+0x2f0/0x390
[ 573.923149][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.927833][ T30] ? __pfx_kthread+0x10/0x10
[ 573.932433][ T30] ret_from_fork+0x4b/0x80
[ 573.936879][ T30] ? __pfx_kthread+0x10/0x10
[ 573.941478][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.946269][ T30]
[ 573.949410][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 573.954653][ C0] NMI backtrace for cpu 0
[ 573.954665][ C0] CPU: 0 PID: 5118 Comm: syz-executor953 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.954683][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.954698][ C0] RIP: 0010:lock_acquire+0x27f/0x550
[ 573.954725][ C0] Code: 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 4b c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 11 00 00 00 00 <66> 43 c7 44 25 15 00 00 43 c6 44 25 17 00 65 48 8b 04 25 28 00 00
[ 573.954739][ C0] RSP: 0018:ffffc900033c65a0 EFLAGS: 00000206
[ 573.954754][ C0] RAX: 0000000000000001 RBX: 1ffff92000678cc0 RCX: 0000000000000001
[ 573.954765][ C0] RDX: dffffc0000000000 RSI: ffffffff8bcacd00 RDI: ffffffff8c1ff680
[ 573.954778][ C0] RBP: ffffc900033c66e8 R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 573.954791][ C0] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: 1ffff92000678cbc
[ 573.954803][ C0] R13: dffffc0000000000 R14: ffffc900033c6600 R15: 0000000000000246
[ 573.954816][ C0] FS: 000055559069d380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 573.954830][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.954842][ C0] CR2: 00005577dcc72ac8 CR3: 00000000793ba000 CR4: 00000000003506f0
[ 573.954856][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.954866][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.954876][ C0] Call Trace:
[ 573.954884][ C0]
[ 573.954890][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 573.954912][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.954932][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.954952][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.954986][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 573.955006][ C0] ? nmi_handle+0x14f/0x5a0
[ 573.955030][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.955062][ C0] ? lock_acquire+0x27f/0x550
[ 573.955082][ C0] ? default_do_nmi+0x63/0x160
[ 573.955104][ C0] ? exc_nmi+0x123/0x1f0
[ 573.955124][ C0] ? end_repeat_nmi+0xf/0x53
[ 573.955150][ C0] ? lock_acquire+0x27f/0x550
[ 573.955168][ C0] ? lock_acquire+0x27f/0x550
[ 573.955186][ C0] ? lock_acquire+0x27f/0x550
[ 573.955203][ C0]
[ 573.955209][ C0]
[ 573.955218][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.955236][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.955256][ C0] ? __pfx_lock_release+0x10/0x10
[ 573.955276][ C0] ? check_preemption_disabled+0x19/0x120
[ 573.955298][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.955317][ C0] tcf_idr_check_alloc+0x12d/0x900
[ 573.955336][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.955358][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 573.955379][ C0] ? __nla_parse+0x40/0x60
[ 573.955405][ C0] tcf_police_init+0x29b/0x17c0
[ 573.955426][ C0] ? __sock_sendmsg+0x221/0x270
[ 573.955464][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 573.955490][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.955525][ C0] ? nla_memcpy+0x5d/0xc0
[ 573.955548][ C0] ? __asan_memcpy+0x40/0x70
[ 573.955568][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.955589][ C0] tcf_action_init_1+0x5d7/0x890
[ 573.955616][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 573.955667][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 573.955690][ C0] tcf_action_init+0x2e4/0x940
[ 573.955719][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 573.955774][ C0] ? apparmor_capable+0x138/0x1b0
[ 573.955805][ C0] tc_ctl_action+0x47d/0xcf0
[ 573.955827][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 573.955852][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.955890][ C0] ? trace_contention_end+0x3c/0x120
[ 573.955914][ C0] ? __mutex_lock+0x2ef/0xd70
[ 573.955945][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 573.955977][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.955998][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 573.956024][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 573.956049][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.956071][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 573.956094][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.956116][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.956139][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 573.956171][ C0] ? mark_lock+0x9a/0x350
[ 573.956190][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.956214][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.956241][ C0] ? mark_lock+0x9a/0x350
[ 573.956263][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.956292][ C0] netlink_rcv_skb+0x1e3/0x430
[ 573.956318][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.956342][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 573.956379][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 573.956404][ C0] netlink_unicast+0x7ea/0x980
[ 573.956431][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 573.956451][ C0] ? __virt_addr_valid+0x183/0x520
[ 573.956483][ C0] ? __check_object_size+0x49c/0x900
[ 573.956499][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 573.956527][ C0] netlink_sendmsg+0x8db/0xcb0
[ 573.956559][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.956585][ C0] ? __import_iovec+0x536/0x820
[ 573.956609][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 573.956630][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 573.956646][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 573.956686][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.956708][ C0] __sock_sendmsg+0x221/0x270
[ 573.956739][ C0] ____sys_sendmsg+0x525/0x7d0
[ 573.956762][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 573.956793][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 573.956813][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 573.956849][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.956872][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.956894][ C0] ? exc_page_fault+0x590/0x8c0
[ 573.956921][ C0] ? do_syscall_64+0xb6/0x230
[ 573.956945][ C0] do_syscall_64+0xf3/0x230
[ 573.956969][ C0] ? clear_bhb_loop+0x35/0x90
[ 573.956990][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.957009][ C0] RIP: 0033:0x7f1049093df9
[ 573.957031][ 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
[ 573.957044][ C0] RSP: 002b:00007ffe4865adc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.957061][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1049093df9
[ 573.957072][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.957083][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.957095][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.957105][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.957124][ C0]
[ 573.957131][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.477 msecs
[ 574.105108][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.105130][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.105154][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.105168][ T30] Call Trace:
[ 574.105181][ T30]
[ 574.105191][ T30] dump_stack_lvl+0x241/0x360
[ 574.105225][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.105248][ T30] ? __pfx__printk+0x10/0x10
[ 574.105279][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.105313][ T30] ? vscnprintf+0x5d/0x90
[ 574.105342][ T30] panic+0x349/0x860
[ 574.105377][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.105407][ T30] ? __pfx_panic+0x10/0x10
[ 574.105437][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.105470][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.105496][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.105521][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.105548][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.105579][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.105611][ T30] watchdog+0x101d/0x1020
[ 574.105639][ T30] ? watchdog+0x1ea/0x1020
[ 574.105670][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.105701][ T30] kthread+0x2f0/0x390
[ 574.105728][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.105753][ T30] ? __pfx_kthread+0x10/0x10
[ 574.105781][ T30] ret_from_fork+0x4b/0x80
[ 574.105810][ T30] ? __pfx_kthread+0x10/0x10
[ 574.105838][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.105885][ T30]
[ 574.108987][ T30] Kernel Offset: disabled
[ 574.758497][ T30] Rebooting in 86400 seconds..