Warning: Permanently added '10.128.0.25' (ED25519) to the list of known hosts.
executing program
[ 716.941770][ T30] INFO: task kworker/u8:0:11 blocked for more than 143 seconds.
[ 716.949687][ T30] Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 716.958046][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.969107][ T30] task:kworker/u8:0 state:D stack:22168 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 716.979388][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.985963][ T30] Call Trace:
[ 716.989254][ T30]
[ 716.992480][ T30] __schedule+0x1796/0x49d0
[ 716.997033][ T30] ? __pfx___schedule+0x10/0x10
[ 717.002176][ T30] ? __pfx_lock_release+0x10/0x10
[ 717.007219][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 717.013046][ T30] ? kthread_data+0x52/0xd0
[ 717.017560][ T30] ? schedule+0x90/0x320
[ 717.022112][ T30] ? wq_worker_sleeping+0x66/0x240
[ 717.027244][ T30] ? schedule+0x90/0x320
[ 717.031498][ T30] schedule+0x14b/0x320
[ 717.035978][ T30] schedule_preempt_disabled+0x13/0x30
[ 717.041457][ T30] __mutex_lock+0x6a4/0xd70
[ 717.046210][ T30] ? __mutex_lock+0x527/0xd70
[ 717.050910][ T30] ? addrconf_verify_work+0x19/0x30
[ 717.056387][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 717.061431][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.067905][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.074862][ T30] ? process_scheduled_works+0x945/0x1830
[ 717.080599][ T30] addrconf_verify_work+0x19/0x30
[ 717.086025][ T30] process_scheduled_works+0xa2c/0x1830
[ 717.091620][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 717.097783][ T30] ? assign_work+0x364/0x3d0
[ 717.102588][ T30] worker_thread+0x86d/0xd70
[ 717.107206][ T30] ? __kthread_parkme+0x169/0x1d0
[ 717.112831][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.117957][ T30] kthread+0x2f0/0x390
[ 717.122383][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.127514][ T30] ? __pfx_kthread+0x10/0x10
[ 717.134521][ T30] ret_from_fork+0x4b/0x80
[ 717.138978][ T30] ? __pfx_kthread+0x10/0x10
[ 717.143647][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.148441][ T30]
[ 717.151579][ T30]
[ 717.151579][ T30] Showing all locks held in the system:
[ 717.160029][ T30] 3 locks held by kworker/u8:0/11:
[ 717.165417][ T30] #0: ffff88802a552948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.177319][ T30] #1: ffffc90000107d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.191691][ T30] #2: ffffffff8f5d5508 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.201228][ T30] 1 lock held by khungtaskd/30:
[ 717.206830][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.217012][ T30] 2 locks held by getty/4838:
[ 717.221975][ T30] #0: ffff88802b06b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.232025][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.242538][ T30] 1 lock held by syz-executor725/5104:
[ 717.248009][ T30]
[ 717.250333][ T30] =============================================
[ 717.250333][ T30]
[ 717.259422][ T30] NMI backtrace for cpu 1
[ 717.263761][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 717.273651][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.283706][ T30] Call Trace:
[ 717.286985][ T30]
[ 717.289918][ T30] dump_stack_lvl+0x241/0x360
[ 717.294610][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.299813][ T30] ? __pfx__printk+0x10/0x10
[ 717.304407][ T30] ? vprintk_emit+0x631/0x770
[ 717.309095][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.314132][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.319083][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.324552][ T30] ? _printk+0xd5/0x120
[ 717.328717][ T30] ? __pfx__printk+0x10/0x10
[ 717.333310][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.338169][ T30] ? __pfx__printk+0x10/0x10
[ 717.342767][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.347805][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.353790][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.359781][ T30] watchdog+0xfde/0x1020
[ 717.364032][ T30] ? watchdog+0x1ea/0x1020
[ 717.368456][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.373137][ T30] kthread+0x2f0/0x390
[ 717.377214][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.381895][ T30] ? __pfx_kthread+0x10/0x10
[ 717.386492][ T30] ret_from_fork+0x4b/0x80
[ 717.390912][ T30] ? __pfx_kthread+0x10/0x10
[ 717.395507][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.400294][ T30]
[ 717.403439][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 717.408663][ C0] NMI backtrace for cpu 0
[ 717.408673][ C0] CPU: 0 PID: 5104 Comm: syz-executor725 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 717.408689][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.408702][ C0] RIP: 0010:debug_lockdep_rcu_enabled+0x2d/0x40
[ 717.408726][ C0] Code: fa 31 c0 83 3d a7 36 2e 04 00 74 1e 83 3d e6 67 2e 04 00 74 15 65 48 8b 0c 25 c0 d4 03 00 31 c0 83 b9 dc 0a 00 00 00 0f 94 c0 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90
[ 717.408738][ C0] RSP: 0018:ffffc900033f66f8 EFLAGS: 00000246
[ 717.408752][ C0] RAX: 0000000000000001 RBX: ffffc900033f69c0 RCX: ffff888027875a00
[ 717.408763][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 717.408772][ C0] RBP: ffffc900033f67d0 R08: ffffffff8b760061 R09: 1ffffffff25ee8b0
[ 717.408783][ C0] R10: dffffc0000000000 R11: fffffbfff25ee8b1 R12: dffffc0000000000
[ 717.408795][ C0] R13: ffffffff89728ec0 R14: ffff88802a41cc90 R15: dffffc0000000000
[ 717.408806][ C0] FS: 0000555579551380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 717.408819][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.408830][ C0] CR2: 000055e20103b7f0 CR3: 000000007b7e2000 CR4: 00000000003506f0
[ 717.408843][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.408852][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.408861][ C0] Call Trace:
[ 717.408868][ C0]
[ 717.408875][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.408895][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 717.408912][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.408931][ C0] ? nmi_handle+0x2a/0x5a0
[ 717.408959][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.408975][ C0] ? nmi_handle+0x14f/0x5a0
[ 717.408994][ C0] ? nmi_handle+0x2a/0x5a0
[ 717.409014][ C0] ? debug_lockdep_rcu_enabled+0x2d/0x40
[ 717.409030][ C0] ? default_do_nmi+0x63/0x160
[ 717.409050][ C0] ? exc_nmi+0x123/0x1f0
[ 717.409069][ C0] ? end_repeat_nmi+0xf/0x53
[ 717.409086][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 717.409103][ C0] ? radix_tree_lookup+0x161/0x290
[ 717.409124][ C0] ? debug_lockdep_rcu_enabled+0x2d/0x40
[ 717.409141][ C0] ? debug_lockdep_rcu_enabled+0x2d/0x40
[ 717.409158][ C0] ? debug_lockdep_rcu_enabled+0x2d/0x40
[ 717.409175][ C0]
[ 717.409180][ C0]
[ 717.409185][ C0] tcf_idr_check_alloc+0x1ef/0x900
[ 717.409202][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.409218][ C0] ? __nla_parse+0x40/0x60
[ 717.409239][ C0] tcf_police_init+0x29b/0x17c0
[ 717.409255][ C0] ? __sock_sendmsg+0x221/0x270
[ 717.409272][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 717.409294][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 717.409327][ C0] ? nla_memcpy+0x5d/0xc0
[ 717.409345][ C0] ? __asan_memcpy+0x40/0x70
[ 717.409366][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 717.409381][ C0] tcf_action_init_1+0x5d7/0x890
[ 717.409401][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.409427][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.409444][ C0] tcf_action_init+0x2e4/0x940
[ 717.409465][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 717.409506][ C0] ? cap_capable+0x1b4/0x250
[ 717.409525][ C0] ? safesetid_security_capable+0xb2/0x1d0
[ 717.409547][ C0] tc_ctl_action+0x47d/0xcf0
[ 717.409569][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.409598][ C0] ? trace_contention_end+0x3c/0x120
[ 717.409616][ C0] ? __mutex_lock+0x2ef/0xd70
[ 717.409642][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 717.409669][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.409683][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.409704][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.409723][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.409740][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 717.409759][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.409777][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.409794][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 717.409819][ C0] ? mark_lock+0x9a/0x350
[ 717.409834][ C0] ? __pfx_validate_chain+0x10/0x10
[ 717.409853][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 717.409875][ C0] ? mark_lock+0x9a/0x350
[ 717.409893][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 717.409918][ C0] netlink_rcv_skb+0x1e3/0x430
[ 717.409935][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.409954][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.409982][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.409999][ C0] netlink_unicast+0x7ea/0x980
[ 717.410018][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 717.410032][ C0] ? __virt_addr_valid+0x183/0x520
[ 717.410052][ C0] ? __check_object_size+0x49c/0x900
[ 717.410069][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.410090][ C0] netlink_sendmsg+0x8db/0xcb0
[ 717.410114][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.410131][ C0] ? __import_iovec+0x536/0x820
[ 717.410151][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.410165][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 717.410182][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.410198][ C0] __sock_sendmsg+0x221/0x270
[ 717.410218][ C0] ____sys_sendmsg+0x525/0x7d0
[ 717.410238][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.410261][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 717.410278][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.410313][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.410333][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.410349][ C0] ? exc_page_fault+0x590/0x8c0
[ 717.410366][ C0] ? do_syscall_64+0xb6/0x230
[ 717.410384][ C0] do_syscall_64+0xf3/0x230
[ 717.410401][ C0] ? clear_bhb_loop+0x35/0x90
[ 717.410419][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.410436][ C0] RIP: 0033:0x7f69b3bf8df9
[ 717.410454][ 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
[ 717.410465][ C0] RSP: 002b:00007ffed1854438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.410479][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69b3bf8df9
[ 717.410490][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.410499][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.410508][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.410517][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.410533][ C0]
[ 717.410540][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.877 msecs
[ 717.441716][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.441733][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
[ 717.441752][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.441762][ T30] Call Trace:
[ 717.441771][ T30]
[ 717.441779][ T30] dump_stack_lvl+0x241/0x360
[ 717.441808][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.441829][ T30] ? __pfx__printk+0x10/0x10
[ 717.441846][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.441870][ T30] ? vscnprintf+0x5d/0x90
[ 717.441894][ T30] panic+0x349/0x860
[ 717.441914][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 717.441938][ T30] ? __pfx_panic+0x10/0x10
[ 717.441954][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 717.441977][ T30] ? __irq_work_queue_local+0x137/0x410
[ 717.441997][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 717.442015][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 717.442037][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 717.442062][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 717.442087][ T30] watchdog+0x101d/0x1020
[ 717.442108][ T30] ? watchdog+0x1ea/0x1020
[ 717.442130][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.442148][ T30] kthread+0x2f0/0x390
[ 717.442168][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.442185][ T30] ? __pfx_kthread+0x10/0x10
[ 717.442205][ T30] ret_from_fork+0x4b/0x80
[ 717.442225][ T30] ? __pfx_kthread+0x10/0x10
[ 717.442244][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.442278][ T30]
[ 717.442506][ T30] Kernel Offset: disabled
[ 718.188657][ T30] Rebooting in 86400 seconds..