Warning: Permanently added '10.128.1.91' (ED25519) to the list of known hosts.
executing program
[ 573.620694][ T30] INFO: task kworker/u8:10:2922 blocked for more than 143 seconds.
[ 573.628854][ T30] Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.638138][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.647206][ T30] task:kworker/u8:10 state:D stack:20760 pid:2922 tgid:2922 ppid:2 flags:0x00004000
[ 573.657850][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.664588][ T30] Call Trace:
[ 573.667903][ T30]
[ 573.671287][ T30] __schedule+0x17e8/0x4a20
[ 573.675860][ T30] ? __pfx___schedule+0x10/0x10
[ 573.681153][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.686318][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.692245][ T30] ? kthread_data+0x52/0xd0
[ 573.696788][ T30] ? schedule+0x90/0x320
[ 573.701629][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.706787][ T30] ? schedule+0x90/0x320
[ 573.711580][ T30] schedule+0x14b/0x320
[ 573.715788][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.722012][ T30] __mutex_lock+0x6a4/0xd70
[ 573.726570][ T30] ? __mutex_lock+0x527/0xd70
[ 573.731762][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.737279][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.743220][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.749248][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.756178][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.762217][ T30] addrconf_verify_work+0x19/0x30
[ 573.767308][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.773395][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.779430][ T30] ? assign_work+0x364/0x3d0
[ 573.784736][ T30] worker_thread+0x86d/0xd70
[ 573.789383][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 573.795805][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.801218][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.806367][ T30] kthread+0x2f0/0x390
[ 573.810979][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.816134][ T30] ? __pfx_kthread+0x10/0x10
[ 573.821211][ T30] ret_from_fork+0x4b/0x80
[ 573.825674][ T30] ? __pfx_kthread+0x10/0x10
[ 573.830297][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.835421][ T30]
[ 573.838488][ T30]
[ 573.838488][ T30] Showing all locks held in the system:
[ 573.850720][ T30] 1 lock held by khungtaskd/30:
[ 573.855613][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.890462][ T30] 3 locks held by kworker/1:2/1616:
[ 573.895744][ T30] 3 locks held by kworker/u8:10/2922:
[ 573.910448][ T30] #0: ffff88802a1d5948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.930771][ T30] #1: ffffc90009847d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.960440][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.970042][ T30] 2 locks held by getty/4849:
[ 573.990452][ T30] #0: ffff88802ab6a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 574.010465][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 574.030445][ T30] 2 locks held by syz-executor462/5113:
[ 574.036040][ T30]
[ 574.038396][ T30] =============================================
[ 574.038396][ T30]
[ 574.060490][ T30] NMI backtrace for cpu 1
[ 574.064959][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 574.074955][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.085027][ T30] Call Trace:
[ 574.088325][ T30]
[ 574.091283][ T30] dump_stack_lvl+0x241/0x360
[ 574.095995][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.101224][ T30] ? __pfx__printk+0x10/0x10
[ 574.105852][ T30] ? vprintk_emit+0x631/0x770
[ 574.110562][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 574.115622][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 574.120606][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.126127][ T30] ? _printk+0xd5/0x120
[ 574.130308][ T30] ? __pfx__printk+0x10/0x10
[ 574.134920][ T30] ? __wake_up_klogd+0xcc/0x110
[ 574.139805][ T30] ? __pfx__printk+0x10/0x10
[ 574.144420][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 574.149475][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.155480][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.161500][ T30] watchdog+0xfde/0x1020
[ 574.165833][ T30] ? watchdog+0x1ea/0x1020
[ 574.170286][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.174984][ T30] kthread+0x2f0/0x390
[ 574.179069][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.183753][ T30] ? __pfx_kthread+0x10/0x10
[ 574.188353][ T30] ret_from_fork+0x4b/0x80
[ 574.192782][ T30] ? __pfx_kthread+0x10/0x10
[ 574.197413][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.202211][ T30]
[ 574.205350][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 574.210635][ C0] NMI backtrace for cpu 0
[ 574.210647][ C0] CPU: 0 PID: 5113 Comm: syz-executor462 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 574.210666][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.210681][ C0] RIP: 0010:lock_acquire+0x5/0x550
[ 574.210707][ C0] Code: a9 00 ff ff 00 0f 95 c0 c3 cc cc cc cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 20 01 00
[ 574.210722][ C0] RSP: 0018:ffffc900000d66e8 EFLAGS: 00000246
[ 574.210739][ C0] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000002
[ 574.210750][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e333fa0
[ 574.210761][ C0] RBP: ffffc900000d67d0 R08: 0000000000000000 R09: 0000000000000000
[ 574.210772][ C0] R10: dffffc0000000000 R11: fffffbfff1f5aa16 R12: dffffc0000000000
[ 574.210785][ C0] R13: ffffffff897b2fd0 R14: ffff888029eb3290 R15: dffffc0000000000
[ 574.210798][ C0] FS: 0000555581550380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 574.210813][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.210825][ C0] CR2: 000055c25c5d17f0 CR3: 0000000029ca0000 CR4: 00000000003506f0
[ 574.210841][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.210850][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.210861][ C0] Call Trace:
[ 574.210869][ C0]
[ 574.210876][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.210902][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 574.210922][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.210946][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.210981][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.211002][ C0] ? nmi_handle+0x14f/0x5a0
[ 574.211027][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.211054][ C0] ? lock_acquire+0x5/0x550
[ 574.211071][ C0] ? default_do_nmi+0x63/0x160
[ 574.211097][ C0] ? exc_nmi+0x123/0x1f0
[ 574.211121][ C0] ? end_repeat_nmi+0xf/0x53
[ 574.211143][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.211175][ C0] ? lock_acquire+0x5/0x550
[ 574.211193][ C0] ? lock_acquire+0x5/0x550
[ 574.211212][ C0] ? lock_acquire+0x5/0x550
[ 574.211229][ C0]
[ 574.211235][ C0]
[ 574.211241][ C0] tcf_idr_check_alloc+0x12d/0x900
[ 574.211267][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.211297][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.211324][ C0] ? __nla_parse+0x40/0x60
[ 574.211350][ C0] tcf_police_init+0x29b/0x17c0
[ 574.211367][ C0] ? __sock_sendmsg+0x221/0x270
[ 574.211388][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 574.211414][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.211446][ C0] ? nla_memcpy+0x5d/0xc0
[ 574.211469][ C0] ? __asan_memcpy+0x40/0x70
[ 574.211489][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.211512][ C0] tcf_action_init_1+0x5d7/0x890
[ 574.211545][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.211586][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.211614][ C0] tcf_action_init+0x2e4/0x940
[ 574.211649][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 574.211709][ C0] ? apparmor_capable+0x138/0x1b0
[ 574.211740][ C0] tc_ctl_action+0x47d/0xcf0
[ 574.211757][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 574.211782][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.211816][ C0] ? trace_contention_end+0x3c/0x120
[ 574.211840][ C0] ? __mutex_lock+0x2ef/0xd70
[ 574.211863][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 574.211887][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.211903][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.211928][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.211952][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.211972][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 574.211995][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.212018][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.212041][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 574.212074][ C0] ? mark_lock+0x9a/0x350
[ 574.212092][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.212116][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.212143][ C0] ? mark_lock+0x9a/0x350
[ 574.212165][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.212195][ C0] netlink_rcv_skb+0x1e3/0x430
[ 574.212215][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.212238][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.212272][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.212293][ C0] netlink_unicast+0x7ea/0x980
[ 574.212315][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 574.212330][ C0] ? __virt_addr_valid+0x183/0x520
[ 574.212356][ C0] ? __check_object_size+0x49c/0x900
[ 574.212383][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.212410][ C0] netlink_sendmsg+0x8db/0xcb0
[ 574.212437][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.212458][ C0] ? __import_iovec+0x536/0x820
[ 574.212482][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 574.212506][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.212522][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 574.212549][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.212568][ C0] __sock_sendmsg+0x221/0x270
[ 574.212593][ C0] ____sys_sendmsg+0x525/0x7d0
[ 574.212615][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.212642][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 574.212661][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.212697][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.212722][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.212741][ C0] ? exc_page_fault+0x590/0x8c0
[ 574.212760][ C0] ? do_syscall_64+0xb6/0x230
[ 574.212782][ C0] do_syscall_64+0xf3/0x230
[ 574.212803][ C0] ? clear_bhb_loop+0x35/0x90
[ 574.212826][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.212847][ C0] RIP: 0033:0x7f7493605df9
[ 574.212867][ 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
[ 574.212881][ C0] RSP: 002b:00007fffdd3e1c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.212898][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7493605df9
[ 574.212910][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.212921][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.212931][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.212941][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.212960][ C0]
[ 574.212968][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.331 msecs
[ 574.370459][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.370480][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 574.370505][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.370519][ T30] Call Trace:
[ 574.370533][ T30]
[ 574.370545][ T30] dump_stack_lvl+0x241/0x360
[ 574.370583][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.370612][ T30] ? __pfx__printk+0x10/0x10
[ 574.370635][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.370670][ T30] ? vscnprintf+0x5d/0x90
[ 574.370705][ T30] panic+0x349/0x860
[ 574.370733][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.370768][ T30] ? __pfx_panic+0x10/0x10
[ 574.370790][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.370826][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.370854][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.370880][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.370913][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.370948][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.370985][ T30] watchdog+0x101d/0x1020
[ 574.371015][ T30] ? watchdog+0x1ea/0x1020
[ 574.371048][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.371075][ T30] kthread+0x2f0/0x390
[ 574.371103][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.371130][ T30] ? __pfx_kthread+0x10/0x10
[ 574.371160][ T30] ret_from_fork+0x4b/0x80
[ 574.371192][ T30] ? __pfx_kthread+0x10/0x10
[ 574.371221][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.371276][ T30]
[ 574.372257][ T30] Kernel Offset: disabled
[ 575.001731][ T30] Rebooting in 86400 seconds..