Warning: Permanently added '10.128.1.236' (ED25519) to the list of known hosts.
executing program
[ 573.598311][ T30] INFO: task kworker/u8:6:1095 blocked for more than 143 seconds.
[ 573.606394][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.614151][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.624106][ T30] task:kworker/u8:6 state:D stack:21816 pid:1095 tgid:1095 ppid:2 flags:0x00004000
[ 573.634920][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.641736][ T30] Call Trace:
[ 573.645031][ T30]
[ 573.647971][ T30] __schedule+0x17e8/0x4a20
[ 573.653120][ T30] ? __pfx___schedule+0x10/0x10
[ 573.658003][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.663465][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.669245][ T30] ? kthread_data+0x52/0xd0
[ 573.673783][ T30] ? schedule+0x90/0x320
[ 573.678046][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.683864][ T30] ? schedule+0x90/0x320
[ 573.688136][ T30] schedule+0x14b/0x320
[ 573.692877][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.698624][ T30] __mutex_lock+0x6a4/0xd70
[ 573.703158][ T30] ? __mutex_lock+0x527/0xd70
[ 573.707848][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.713849][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.719245][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.725289][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.732189][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.737942][ T30] addrconf_verify_work+0x19/0x30
[ 573.743516][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.749405][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.755420][ T30] ? assign_work+0x364/0x3d0
[ 573.760521][ T30] worker_thread+0x86d/0xd70
[ 573.765155][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.770587][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.775717][ T30] kthread+0x2f0/0x390
[ 573.780291][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.785450][ T30] ? __pfx_kthread+0x10/0x10
[ 573.790664][ T30] ret_from_fork+0x4b/0x80
[ 573.795113][ T30] ? __pfx_kthread+0x10/0x10
[ 573.800217][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.805030][ T30]
[ 573.808129][ T30]
[ 573.808129][ T30] Showing all locks held in the system:
[ 573.816177][ T30] 1 lock held by khungtaskd/30:
[ 573.821102][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.831842][ T30] 3 locks held by kworker/u8:6/1095:
[ 573.837193][ T30] #0: ffff8880298cf948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.849442][ T30] #1: ffffc90004687d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.863484][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.873104][ T30] 2 locks held by getty/4844:
[ 573.877782][ T30] #0: ffff88802a6a60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.888089][ T30] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.898696][ T30] 1 lock held by syz-executor230/5108:
[ 573.904175][ T30]
[ 573.906506][ T30] =============================================
[ 573.906506][ T30]
[ 573.915956][ T30] NMI backtrace for cpu 1
[ 573.920312][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.930294][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.940357][ T30] Call Trace:
[ 573.943642][ T30]
[ 573.946576][ T30] dump_stack_lvl+0x241/0x360
[ 573.951269][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.956472][ T30] ? __pfx__printk+0x10/0x10
[ 573.961066][ T30] ? vprintk_emit+0x631/0x770
[ 573.965741][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.970761][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.975720][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.981185][ T30] ? _printk+0xd5/0x120
[ 573.985350][ T30] ? __pfx__printk+0x10/0x10
[ 573.989968][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.994909][ T30] ? __pfx__printk+0x10/0x10
[ 573.999496][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 574.004515][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.010580][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.016563][ T30] watchdog+0xfde/0x1020
[ 574.020804][ T30] ? watchdog+0x1ea/0x1020
[ 574.025220][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.029898][ T30] kthread+0x2f0/0x390
[ 574.034047][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.038801][ T30] ? __pfx_kthread+0x10/0x10
[ 574.043388][ T30] ret_from_fork+0x4b/0x80
[ 574.047801][ T30] ? __pfx_kthread+0x10/0x10
[ 574.052411][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.057195][ T30]
[ 574.060611][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 574.066115][ C0] NMI backtrace for cpu 0
[ 574.066128][ C0] CPU: 0 PID: 5108 Comm: syz-executor230 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.066145][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.066158][ C0] RIP: 0010:__rcu_read_unlock+0x38/0x110
[ 574.066187][ C0] Code: 49 bc 00 00 00 00 00 fc ff df 65 4c 8b 34 25 00 d5 03 00 4d 8d ae 44 04 00 00 4c 89 eb 48 c1 eb 03 42 0f b6 04 23 84 c0 75 6b <41> 8b 6d 00 ff cd 42 0f b6 04 23 84 c0 75 76 41 89 6d 00 85 ed 75
[ 574.066199][ C0] RSP: 0018:ffffc9000354e6c8 EFLAGS: 00000246
[ 574.066213][ C0] RAX: 0000000000000000 RBX: 1ffff110045d5bc8 RCX: ffffc9000354e603
[ 574.066224][ C0] RDX: 0000000000000001 RSI: ffffffff8bcacd00 RDI: ffffffff8c1ff680
[ 574.066235][ C0] RBP: ffffc9000354e7d0 R08: ffffffff8fad9aaf R09: 1ffffffff1f5b355
[ 574.066246][ C0] R10: dffffc0000000000 R11: fffffbfff1f5b356 R12: dffffc0000000000
[ 574.066258][ C0] R13: ffff888022eade44 R14: ffff888022eada00 R15: dffffc0000000000
[ 574.066269][ C0] FS: 00005555822df380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 574.066283][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.066294][ C0] CR2: 0000563883f10600 CR3: 0000000022282000 CR4: 00000000003506f0
[ 574.066307][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.066316][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.066325][ C0] Call Trace:
[ 574.066333][ C0]
[ 574.066340][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.066358][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 574.066376][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.066392][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.066420][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.066436][ C0] ? nmi_handle+0x14f/0x5a0
[ 574.066456][ C0] ? nmi_handle+0x2a/0x5a0
[ 574.066476][ C0] ? __rcu_read_unlock+0x38/0x110
[ 574.066495][ C0] ? default_do_nmi+0x63/0x160
[ 574.066514][ C0] ? exc_nmi+0x123/0x1f0
[ 574.066530][ C0] ? end_repeat_nmi+0xf/0x53
[ 574.066552][ C0] ? __rcu_read_unlock+0x38/0x110
[ 574.066572][ C0] ? __rcu_read_unlock+0x38/0x110
[ 574.066593][ C0] ? __rcu_read_unlock+0x38/0x110
[ 574.066612][ C0]
[ 574.066617][ C0]
[ 574.066623][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 574.066640][ C0] tcf_idr_check_alloc+0x104/0x900
[ 574.066660][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.066678][ C0] ? __nla_parse+0x40/0x60
[ 574.066699][ C0] tcf_police_init+0x29b/0x17c0
[ 574.066716][ C0] ? __sock_sendmsg+0x221/0x270
[ 574.066735][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 574.066757][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.066787][ C0] ? nla_memcpy+0x5d/0xc0
[ 574.066805][ C0] ? __asan_memcpy+0x40/0x70
[ 574.066822][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 574.066845][ C0] tcf_action_init_1+0x5d7/0x890
[ 574.066867][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.066896][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.066914][ C0] tcf_action_init+0x2e4/0x940
[ 574.066938][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 574.066984][ C0] ? apparmor_capable+0x138/0x1b0
[ 574.067009][ C0] tc_ctl_action+0x47d/0xcf0
[ 574.067027][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 574.067048][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.067079][ C0] ? trace_contention_end+0x3c/0x120
[ 574.067098][ C0] ? __mutex_lock+0x2ef/0xd70
[ 574.067122][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 574.067148][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.067164][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.067186][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.067205][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.067222][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 574.067241][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.067258][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.067276][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 574.067301][ C0] ? mark_lock+0x9a/0x350
[ 574.067317][ C0] ? __pfx_validate_chain+0x10/0x10
[ 574.067335][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.067358][ C0] ? mark_lock+0x9a/0x350
[ 574.067376][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 574.067402][ C0] netlink_rcv_skb+0x1e3/0x430
[ 574.067422][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.067441][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.067471][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.067491][ C0] netlink_unicast+0x7ea/0x980
[ 574.067512][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 574.067528][ C0] ? __virt_addr_valid+0x183/0x520
[ 574.067549][ C0] ? __check_object_size+0x49c/0x900
[ 574.067563][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.067585][ C0] netlink_sendmsg+0x8db/0xcb0
[ 574.067610][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.067629][ C0] ? __import_iovec+0x536/0x820
[ 574.067647][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 574.067665][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.067679][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 574.067700][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.067718][ C0] __sock_sendmsg+0x221/0x270
[ 574.067738][ C0] ____sys_sendmsg+0x525/0x7d0
[ 574.067758][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.067782][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 574.067799][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.067834][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.067855][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.067871][ C0] ? exc_page_fault+0x590/0x8c0
[ 574.067892][ C0] ? do_syscall_64+0xb6/0x230
[ 574.067908][ C0] do_syscall_64+0xf3/0x230
[ 574.067924][ C0] ? clear_bhb_loop+0x35/0x90
[ 574.067941][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.067957][ C0] RIP: 0033:0x7f1f58561df9
[ 574.067975][ 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
[ 574.067986][ C0] RSP: 002b:00007fff16d84d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.068001][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f58561df9
[ 574.068012][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.068021][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.068030][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.068039][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.068055][ C0]
[ 574.068062][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.947 msecs
[ 574.692863][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.699723][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.709627][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.719681][ T30] Call Trace:
[ 574.722964][ T30]
[ 574.725895][ T30] dump_stack_lvl+0x241/0x360
[ 574.730612][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.736086][ T30] ? __pfx__printk+0x10/0x10
[ 574.740688][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.746714][ T30] ? vscnprintf+0x5d/0x90
[ 574.751052][ T30] panic+0x349/0x860
[ 574.754968][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.761216][ T30] ? __pfx_panic+0x10/0x10
[ 574.765638][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.771020][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.776570][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.782040][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.788200][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.794362][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.800615][ T30] watchdog+0x101d/0x1020
[ 574.804994][ T30] ? watchdog+0x1ea/0x1020
[ 574.809441][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.814131][ T30] kthread+0x2f0/0x390
[ 574.818220][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.822914][ T30] ? __pfx_kthread+0x10/0x10
[ 574.827521][ T30] ret_from_fork+0x4b/0x80
[ 574.831949][ T30] ? __pfx_kthread+0x10/0x10
[ 574.836573][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.841365][ T30]
[ 574.844624][ T30] Kernel Offset: disabled
[ 574.848946][ T30] Rebooting in 86400 seconds..