Warning: Permanently added '10.128.1.81' (ED25519) to the list of known hosts.
executing program
[ 573.584840][ T30] INFO: task kworker/u8:5:187 blocked for more than 143 seconds.
[ 573.592846][ T30] Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.600929][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.610168][ T30] task:kworker/u8:5 state:D stack:20752 pid:187 tgid:187 ppid:2 flags:0x00004000
[ 573.620637][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.627220][ T30] Call Trace:
[ 573.630514][ T30]
[ 573.633455][ T30] __schedule+0x17e8/0x4a20
[ 573.638278][ T30] ? __pfx___schedule+0x10/0x10
[ 573.643163][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.648486][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.653974][ T30] ? kthread_data+0x52/0xd0
[ 573.658755][ T30] ? schedule+0x90/0x320
[ 573.663020][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.668394][ T30] ? schedule+0x90/0x320
[ 573.672654][ T30] schedule+0x14b/0x320
[ 573.677184][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.682689][ T30] __mutex_lock+0x6a4/0xd70
[ 573.687555][ T30] ? __mutex_lock+0x527/0xd70
[ 573.692270][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.697714][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.702757][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.709183][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.716233][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.721971][ T30] addrconf_verify_work+0x19/0x30
[ 573.727294][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.732895][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.739120][ T30] ? assign_work+0x364/0x3d0
[ 573.743733][ T30] worker_thread+0x86d/0xd70
[ 573.748615][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 573.754623][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.759930][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.765121][ T30] kthread+0x2f0/0x390
[ 573.769202][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.774340][ T30] ? __pfx_kthread+0x10/0x10
[ 573.779666][ T30] ret_from_fork+0x4b/0x80
[ 573.784210][ T30] ? __pfx_kthread+0x10/0x10
[ 573.789364][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.794187][ T30]
[ 573.797632][ T30]
[ 573.797632][ T30] Showing all locks held in the system:
[ 573.805638][ T30] 1 lock held by khungtaskd/30:
[ 573.810516][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.820717][ T30] 3 locks held by kworker/u8:5/187:
[ 573.826797][ T30] #0: ffff888029cbd948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.838748][ T30] #1: ffffc90002d6fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.852773][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.862676][ T30] 2 locks held by getty/4845:
[ 573.867659][ T30] #0: ffff88802a99c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.877875][ T30] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.888333][ T30] 2 locks held by syz-executor262/5117:
[ 573.893890][ T30]
[ 573.896643][ T30] =============================================
[ 573.896643][ T30]
[ 573.905246][ T30] NMI backtrace for cpu 0
[ 573.909677][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.919589][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.929653][ T30] Call Trace:
[ 573.932937][ T30]
[ 573.935871][ T30] dump_stack_lvl+0x241/0x360
[ 573.940565][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.945769][ T30] ? __pfx__printk+0x10/0x10
[ 573.950364][ T30] ? vprintk_emit+0x631/0x770
[ 573.955054][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.960178][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.965131][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.970595][ T30] ? _printk+0xd5/0x120
[ 573.974844][ T30] ? __pfx__printk+0x10/0x10
[ 573.979440][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.984301][ T30] ? __pfx__printk+0x10/0x10
[ 573.988896][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.993930][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.999935][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 574.005948][ T30] watchdog+0xfde/0x1020
[ 574.010201][ T30] ? watchdog+0x1ea/0x1020
[ 574.014634][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.019315][ T30] kthread+0x2f0/0x390
[ 574.023394][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.028075][ T30] ? __pfx_kthread+0x10/0x10
[ 574.032676][ T30] ret_from_fork+0x4b/0x80
[ 574.037100][ T30] ? __pfx_kthread+0x10/0x10
[ 574.041697][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.046488][ T30]
[ 574.049728][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 574.054999][ C1] NMI backtrace for cpu 1
[ 574.055010][ C1] CPU: 1 PID: 5117 Comm: syz-executor262 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 574.055027][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.055043][ C1] RIP: 0010:mark_lock+0x12c/0x350
[ 574.055070][ C1] Code: c7 c7 20 ba ca 8b 48 c7 c6 c0 bc ca 8b e8 0c 7d e5 ff 90 0f 0b 90 90 90 31 db 48 83 c3 60 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 ca 10 89 00 41 bc 01 00 00 00 44 85 33 74 16 44
[ 574.055083][ C1] RSP: 0018:ffffc90001386468 EFLAGS: 00000046
[ 574.055098][ C1] RAX: 1ffffffff25925d5 RBX: ffffffff92c92ea8 RCX: ffffffff8172d78a
[ 574.055111][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92fab580
[ 574.055121][ C1] RBP: 0000000000000009 R08: ffffffff92fab587 R09: 1ffffffff25f56b0
[ 574.055132][ C1] R10: dffffc0000000000 R11: fffffbfff25f56b1 R12: 0000000000000000
[ 574.055143][ C1] R13: dffffc0000000000 R14: 0000000000000200 R15: ffff888028680b08
[ 574.055155][ C1] FS: 0000555556c23380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 574.055169][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.055180][ C1] CR2: 00005556de874728 CR3: 00000000764d4000 CR4: 00000000003506f0
[ 574.055194][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.055204][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.055213][ C1] Call Trace:
[ 574.055220][ C1]
[ 574.055232][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 574.055255][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 574.055272][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 574.055301][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 574.055320][ C1] ? nmi_handle+0x14f/0x5a0
[ 574.055343][ C1] ? nmi_handle+0x2a/0x5a0
[ 574.055366][ C1] ? mark_lock+0x12c/0x350
[ 574.055383][ C1] ? default_do_nmi+0x63/0x160
[ 574.055405][ C1] ? exc_nmi+0x123/0x1f0
[ 574.055425][ C1] ? end_repeat_nmi+0xf/0x53
[ 574.055448][ C1] ? mark_lock+0x9a/0x350
[ 574.055466][ C1] ? mark_lock+0x12c/0x350
[ 574.055484][ C1] ? mark_lock+0x12c/0x350
[ 574.055502][ C1] ? mark_lock+0x12c/0x350
[ 574.055519][ C1]
[ 574.055524][ C1]
[ 574.055532][ C1] __lock_acquire+0xc0a/0x1fd0
[ 574.055556][ C1] lock_acquire+0x1ed/0x550
[ 574.055571][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.055598][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 574.055614][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.055635][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.055657][ C1] ? __pfx_lock_release+0x10/0x10
[ 574.055676][ C1] ? radix_tree_lookup+0x37/0x290
[ 574.055699][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.055722][ C1] tcf_idr_check_alloc+0x12d/0x900
[ 574.055743][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 574.055768][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 574.055791][ C1] ? __nla_parse+0x40/0x60
[ 574.055814][ C1] tcf_police_init+0x29b/0x17c0
[ 574.055829][ C1] ? __sock_sendmsg+0x221/0x270
[ 574.055849][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 574.055870][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 574.055897][ C1] ? nla_memcpy+0x5d/0xc0
[ 574.055916][ C1] ? __asan_memcpy+0x40/0x70
[ 574.055934][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 574.055950][ C1] tcf_action_init_1+0x5d7/0x890
[ 574.055977][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 574.056010][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 574.056035][ C1] tcf_action_init+0x2e4/0x940
[ 574.056064][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 574.056111][ C1] ? apparmor_capable+0x138/0x1b0
[ 574.056137][ C1] tc_ctl_action+0x47d/0xcf0
[ 574.056157][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.056184][ C1] ? trace_contention_end+0x3c/0x120
[ 574.056205][ C1] ? __mutex_lock+0x2ef/0xd70
[ 574.056228][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 574.056248][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 574.056263][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 574.056285][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 574.056306][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.056324][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 574.056345][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.056364][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.056384][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 574.056412][ C1] ? mark_lock+0x9a/0x350
[ 574.056429][ C1] ? __pfx_validate_chain+0x10/0x10
[ 574.056449][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 574.056472][ C1] ? mark_lock+0x9a/0x350
[ 574.056490][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 574.056515][ C1] netlink_rcv_skb+0x1e3/0x430
[ 574.056533][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 574.056553][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 574.056579][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 574.056597][ C1] netlink_unicast+0x7ea/0x980
[ 574.056616][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 574.056630][ C1] ? __virt_addr_valid+0x183/0x520
[ 574.056653][ C1] ? __check_object_size+0x49c/0x900
[ 574.056676][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 574.056700][ C1] netlink_sendmsg+0x8db/0xcb0
[ 574.056723][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.056741][ C1] ? __import_iovec+0x536/0x820
[ 574.056761][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 574.056780][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 574.056794][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 574.056817][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 574.056834][ C1] __sock_sendmsg+0x221/0x270
[ 574.056854][ C1] ____sys_sendmsg+0x525/0x7d0
[ 574.056874][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 574.056896][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 574.056913][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 574.056941][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.056962][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 574.056979][ C1] ? exc_page_fault+0x590/0x8c0
[ 574.056996][ C1] ? do_syscall_64+0xb6/0x230
[ 574.057015][ C1] do_syscall_64+0xf3/0x230
[ 574.057032][ C1] ? clear_bhb_loop+0x35/0x90
[ 574.057052][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.057071][ C1] RIP: 0033:0x7f6010846df9
[ 574.057089][ 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
[ 574.057102][ C1] RSP: 002b:00007ffeffed1a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 574.057117][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6010846df9
[ 574.057128][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 574.057138][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 574.057147][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.057157][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 574.057173][ C1]
[ 574.057180][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.180 msecs
[ 574.058222][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.725991][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 574.735877][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.746037][ T30] Call Trace:
[ 574.749322][ T30]
[ 574.752253][ T30] dump_stack_lvl+0x241/0x360
[ 574.756945][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.762134][ T30] ? __pfx__printk+0x10/0x10
[ 574.766713][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.772686][ T30] ? vscnprintf+0x5d/0x90
[ 574.777042][ T30] panic+0x349/0x860
[ 574.780928][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.787096][ T30] ? __pfx_panic+0x10/0x10
[ 574.791530][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.796903][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.803091][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.809268][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.815425][ T30] watchdog+0x101d/0x1020
[ 574.820209][ T30] ? watchdog+0x1ea/0x1020
[ 574.824622][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.829288][ T30] kthread+0x2f0/0x390
[ 574.833432][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.838149][ T30] ? __pfx_kthread+0x10/0x10
[ 574.842752][ T30] ret_from_fork+0x4b/0x80
[ 574.847167][ T30] ? __pfx_kthread+0x10/0x10
[ 574.851747][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.856515][ T30]
[ 574.859831][ T30] Kernel Offset: disabled
[ 574.864147][ T30] Rebooting in 86400 seconds..