Warning: Permanently added '10.128.0.70' (ED25519) to the list of known hosts.
executing program
[ 716.763369][ T30] INFO: task kworker/u8:1:12 blocked for more than 143 seconds.
[ 716.771257][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.780092][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.789077][ T30] task:kworker/u8:1 state:D stack:21816 pid:12 tgid:12 ppid:2 flags:0x00004000
[ 716.799515][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.806060][ T30] Call Trace:
[ 716.809348][ T30]
[ 716.812287][ T30] __schedule+0x17e8/0x4a20
[ 716.817319][ T30] ? __pfx___schedule+0x10/0x10
[ 716.822192][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.827601][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 716.833081][ T30] ? kthread_data+0x52/0xd0
[ 716.837964][ T30] ? schedule+0x90/0x320
[ 716.842221][ T30] ? wq_worker_sleeping+0x66/0x240
[ 716.847857][ T30] ? schedule+0x90/0x320
[ 716.852138][ T30] schedule+0x14b/0x320
[ 716.856777][ T30] schedule_preempt_disabled+0x13/0x30
[ 716.862261][ T30] __mutex_lock+0x6a4/0xd70
[ 716.867239][ T30] ? __mutex_lock+0x527/0xd70
[ 716.871944][ T30] ? addrconf_verify_work+0x19/0x30
[ 716.877586][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 716.882631][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 716.889322][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 716.896218][ T30] ? process_scheduled_works+0x945/0x1830
[ 716.901953][ T30] addrconf_verify_work+0x19/0x30
[ 716.907421][ T30] process_scheduled_works+0xa2c/0x1830
[ 716.913013][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 716.919580][ T30] ? assign_work+0x364/0x3d0
[ 716.924473][ T30] worker_thread+0x86d/0xd70
[ 716.929094][ T30] ? __kthread_parkme+0x169/0x1d0
[ 716.934538][ T30] ? __pfx_worker_thread+0x10/0x10
[ 716.939681][ T30] kthread+0x2f0/0x390
[ 716.944108][ T30] ? __pfx_worker_thread+0x10/0x10
[ 716.949235][ T30] ? __pfx_kthread+0x10/0x10
[ 716.954331][ T30] ret_from_fork+0x4b/0x80
[ 716.958773][ T30] ? __pfx_kthread+0x10/0x10
[ 716.963879][ T30] ret_from_fork_asm+0x1a/0x30
[ 716.968686][ T30]
[ 716.971821][ T30]
[ 716.971821][ T30] Showing all locks held in the system:
[ 716.980201][ T30] 3 locks held by kworker/u8:1/12:
[ 716.985569][ T30] #0: ffff888029c8e948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 716.997497][ T30] #1: ffffc90000117d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.011574][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.021753][ T30] 1 lock held by khungtaskd/30:
[ 717.026873][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.037065][ T30] 2 locks held by getty/4857:
[ 717.041747][ T30] #0: ffff88802a5990a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.052074][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.062471][ T30] 2 locks held by syz-executor163/5114:
[ 717.068263][ T30]
[ 717.070590][ T30] =============================================
[ 717.070590][ T30]
[ 717.079537][ T30] NMI backtrace for cpu 0
[ 717.083875][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.093766][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.103821][ T30] Call Trace:
[ 717.107099][ T30]
[ 717.110034][ T30] dump_stack_lvl+0x241/0x360
[ 717.114721][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.119922][ T30] ? __pfx__printk+0x10/0x10
[ 717.124519][ T30] ? vprintk_emit+0x631/0x770
[ 717.129202][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.134238][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.139186][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.144648][ T30] ? _printk+0xd5/0x120
[ 717.148809][ T30] ? __pfx__printk+0x10/0x10
[ 717.153409][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.158270][ T30] ? __pfx__printk+0x10/0x10
[ 717.162865][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.167898][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.173888][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.179966][ T30] watchdog+0xfde/0x1020
[ 717.184217][ T30] ? watchdog+0x1ea/0x1020
[ 717.188644][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.193323][ T30] kthread+0x2f0/0x390
[ 717.197399][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.202091][ T30] ? __pfx_kthread+0x10/0x10
[ 717.206685][ T30] ret_from_fork+0x4b/0x80
[ 717.211107][ T30] ? __pfx_kthread+0x10/0x10
[ 717.215701][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.220487][ T30]
[ 717.223604][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 717.228827][ C1] NMI backtrace for cpu 1
[ 717.228837][ C1] CPU: 1 PID: 5114 Comm: syz-executor163 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.228854][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.228867][ C1] RIP: 0010:lock_acquire+0x237/0x550
[ 717.228890][ C1] Code: 0f 85 a3 01 00 00 49 89 de 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 f7 e8 57 95 89 00 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 <42> 80 3c 2b 00 74 08 4c 89 f7 e8 4a 94 89 00 f6 44 24 61 02 0f 85
[ 717.228902][ C1] RSP: 0018:ffffc90000b565a0 EFLAGS: 00000046
[ 717.228916][ C1] RAX: 0000000000000001 RBX: 1ffff9200016acc0 RCX: 0000000000000001
[ 717.228927][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcacd00 RDI: ffffffff8c1ff680
[ 717.228938][ C1] RBP: ffffc90000b566e8 R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 717.228949][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: 1ffff9200016acbc
[ 717.228961][ C1] R13: dffffc0000000000 R14: ffffc90000b56600 R15: 0000000000000246
[ 717.228972][ C1] FS: 0000555570221380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 717.228985][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.228996][ C1] CR2: 000055f918a6e600 CR3: 0000000022262000 CR4: 00000000003506f0
[ 717.229010][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.229019][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.229028][ C1] Call Trace:
[ 717.229035][ C1]
[ 717.229041][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.229060][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.229076][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.229093][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.229121][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.229137][ C1] ? nmi_handle+0x14f/0x5a0
[ 717.229157][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.229177][ C1] ? lock_acquire+0x237/0x550
[ 717.229192][ C1] ? default_do_nmi+0x63/0x160
[ 717.229210][ C1] ? exc_nmi+0x123/0x1f0
[ 717.229227][ C1] ? end_repeat_nmi+0xf/0x53
[ 717.229249][ C1] ? lock_acquire+0x237/0x550
[ 717.229264][ C1] ? lock_acquire+0x237/0x550
[ 717.229280][ C1] ? lock_acquire+0x237/0x550
[ 717.229295][ C1]
[ 717.229300][ C1]
[ 717.229308][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.229324][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.229341][ C1] ? __pfx_lock_release+0x10/0x10
[ 717.229356][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.229374][ C1] ? tcf_idr_check_alloc+0x141/0x900
[ 717.229391][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.229407][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 717.229423][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.229441][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.229459][ C1] ? __nla_parse+0x40/0x60
[ 717.229481][ C1] tcf_police_init+0x29b/0x17c0
[ 717.229498][ C1] ? __sock_sendmsg+0x221/0x270
[ 717.229515][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 717.229537][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.229568][ C1] ? nla_memcpy+0x5d/0xc0
[ 717.229585][ C1] ? __asan_memcpy+0x40/0x70
[ 717.229602][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.229620][ C1] tcf_action_init_1+0x5d7/0x890
[ 717.229641][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.229670][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.229688][ C1] tcf_action_init+0x2e4/0x940
[ 717.229711][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 717.229757][ C1] ? apparmor_capable+0x138/0x1b0
[ 717.229787][ C1] tc_ctl_action+0x47d/0xcf0
[ 717.229805][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 717.229826][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.229857][ C1] ? trace_contention_end+0x3c/0x120
[ 717.229875][ C1] ? __mutex_lock+0x2ef/0xd70
[ 717.229900][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 717.229925][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.229942][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.229962][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.229981][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.229998][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 717.230016][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.230034][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.230052][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 717.230078][ C1] ? mark_lock+0x9a/0x350
[ 717.230093][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.230111][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.230134][ C1] ? mark_lock+0x9a/0x350
[ 717.230151][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.230176][ C1] netlink_rcv_skb+0x1e3/0x430
[ 717.230196][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.230215][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.230245][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.230265][ C1] netlink_unicast+0x7ea/0x980
[ 717.230290][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 717.230306][ C1] ? __virt_addr_valid+0x183/0x520
[ 717.230326][ C1] ? __check_object_size+0x49c/0x900
[ 717.230340][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.230361][ C1] netlink_sendmsg+0x8db/0xcb0
[ 717.230386][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.230406][ C1] ? __import_iovec+0x536/0x820
[ 717.230424][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 717.230442][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.230456][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 717.230477][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.230494][ C1] __sock_sendmsg+0x221/0x270
[ 717.230515][ C1] ____sys_sendmsg+0x525/0x7d0
[ 717.230535][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.230559][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 717.230575][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.230607][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.230637][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.230652][ C1] ? exc_page_fault+0x590/0x8c0
[ 717.230673][ C1] ? do_syscall_64+0xb6/0x230
[ 717.230689][ C1] do_syscall_64+0xf3/0x230
[ 717.230704][ C1] ? clear_bhb_loop+0x35/0x90
[ 717.230721][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.230737][ C1] RIP: 0033:0x7f00337ffdf9
[ 717.230755][ 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
[ 717.230770][ C1] RSP: 002b:00007ffcc43cc718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.230785][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f00337ffdf9
[ 717.230796][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.230805][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.230814][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.230823][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.230840][ C1]
[ 717.230847][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.020 msecs
[ 717.883002][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.889868][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.899771][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.909828][ T30] Call Trace:
[ 717.913108][ T30]
[ 717.916040][ T30] dump_stack_lvl+0x241/0x360
[ 717.920729][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.925932][ T30] ? __pfx__printk+0x10/0x10
[ 717.930532][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.936535][ T30] ? vscnprintf+0x5d/0x90
[ 717.940876][ T30] panic+0x349/0x860
[ 717.944781][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 717.950942][ T30] ? __pfx_panic+0x10/0x10
[ 717.955367][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 717.960746][ T30] ? __irq_work_queue_local+0x137/0x410
[ 717.966297][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 717.971672][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 717.977828][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 717.983994][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 717.990152][ T30] watchdog+0x101d/0x1020
[ 717.994487][ T30] ? watchdog+0x1ea/0x1020
[ 717.998912][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.003592][ T30] kthread+0x2f0/0x390
[ 718.007667][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.012342][ T30] ? __pfx_kthread+0x10/0x10
[ 718.016943][ T30] ret_from_fork+0x4b/0x80
[ 718.021363][ T30] ? __pfx_kthread+0x10/0x10
[ 718.025959][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.030743][ T30]
[ 718.033985][ T30] Kernel Offset: disabled
[ 718.038302][ T30] Rebooting in 86400 seconds..