Warning: Permanently added '10.128.0.251' (ED25519) to the list of known hosts.
executing program
[ 716.643469][ T30] INFO: task kworker/u8:5:1086 blocked for more than 143 seconds.
[ 716.651726][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.660642][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.669696][ T30] task:kworker/u8:5 state:D stack:19928 pid:1086 tgid:1086 ppid:2 flags:0x00004000
[ 716.680277][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.686872][ T30] Call Trace:
[ 716.690174][ T30]
[ 716.693728][ T30] __schedule+0x17e8/0x4a20
[ 716.698302][ T30] ? __pfx___schedule+0x10/0x10
[ 716.703178][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.708859][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 716.714611][ T30] ? kthread_data+0x52/0xd0
[ 716.719137][ T30] ? schedule+0x90/0x320
[ 716.723904][ T30] ? wq_worker_sleeping+0x66/0x240
[ 716.729045][ T30] ? schedule+0x90/0x320
[ 716.733761][ T30] schedule+0x14b/0x320
[ 716.737950][ T30] schedule_preempt_disabled+0x13/0x30
[ 716.743814][ T30] __mutex_lock+0x6a4/0xd70
[ 716.748353][ T30] ? __mutex_lock+0x527/0xd70
[ 716.753066][ T30] ? addrconf_verify_work+0x19/0x30
[ 716.758805][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 716.764546][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 716.770704][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 716.778091][ T30] ? process_scheduled_works+0x945/0x1830
[ 716.784234][ T30] addrconf_verify_work+0x19/0x30
[ 716.789324][ T30] process_scheduled_works+0xa2c/0x1830
[ 716.795475][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 716.801514][ T30] ? assign_work+0x364/0x3d0
[ 716.806712][ T30] worker_thread+0x86d/0xd70
[ 716.811367][ T30] ? __kthread_parkme+0x169/0x1d0
[ 716.817230][ T30] ? __pfx_worker_thread+0x10/0x10
[ 716.822394][ T30] kthread+0x2f0/0x390
[ 716.826989][ T30] ? __pfx_worker_thread+0x10/0x10
[ 716.832143][ T30] ? __pfx_kthread+0x10/0x10
[ 716.837251][ T30] ret_from_fork+0x4b/0x80
[ 716.841721][ T30] ? __pfx_kthread+0x10/0x10
[ 716.846815][ T30] ret_from_fork_asm+0x1a/0x30
[ 716.851648][ T30]
[ 716.855270][ T30]
[ 716.855270][ T30] Showing all locks held in the system:
[ 716.863027][ T30] 1 lock held by khungtaskd/30:
[ 716.868499][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 716.881456][ T30] 3 locks held by kworker/u8:5/1086:
[ 716.887606][ T30] #0: ffff88802979f948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 716.899685][ T30] #1: ffffc90004967d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 716.913714][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 716.923631][ T30] 2 locks held by getty/4848:
[ 716.928334][ T30] #0: ffff88802aaf60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 716.939073][ T30] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 716.949536][ T30] 2 locks held by syz-executor300/5121:
[ 716.955803][ T30]
[ 716.958165][ T30] =============================================
[ 716.958165][ T30]
[ 716.967274][ T30] NMI backtrace for cpu 0
[ 716.971628][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 716.981547][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 716.991618][ T30] Call Trace:
[ 716.994916][ T30]
[ 716.997870][ T30] dump_stack_lvl+0x241/0x360
[ 717.002580][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.007806][ T30] ? __pfx__printk+0x10/0x10
[ 717.012434][ T30] ? vprintk_emit+0x631/0x770
[ 717.017157][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.022238][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.027204][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.032685][ T30] ? _printk+0xd5/0x120
[ 717.036877][ T30] ? __pfx__printk+0x10/0x10
[ 717.041497][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.046403][ T30] ? __pfx__printk+0x10/0x10
[ 717.051032][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.056083][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.062103][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.068131][ T30] watchdog+0xfde/0x1020
[ 717.072415][ T30] ? watchdog+0x1ea/0x1020
[ 717.076876][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.081588][ T30] kthread+0x2f0/0x390
[ 717.085702][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.090529][ T30] ? __pfx_kthread+0x10/0x10
[ 717.095160][ T30] ret_from_fork+0x4b/0x80
[ 717.099610][ T30] ? __pfx_kthread+0x10/0x10
[ 717.104225][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.109051][ T30]
[ 717.112266][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 717.117548][ C1] NMI backtrace for cpu 1
[ 717.117560][ C1] CPU: 1 PID: 5121 Comm: syz-executor300 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.117579][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.117595][ C1] RIP: 0010:radix_tree_lookup+0x9/0x290
[ 717.117643][ C1] Code: b7 e8 ab 37 16 f6 4d 89 fc eb a6 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 <41> 55 41 54 53 48 83 ec 10 49 89 f7 48 89 fd 49 be 00 00 00 00 00
[ 717.117659][ C1] RSP: 0018:ffffc9000363e6e0 EFLAGS: 00000202
[ 717.117695][ C1] RAX: 0000000000000000 RBX: ffffc9000363e9c0 RCX: dffffc0000000000
[ 717.117710][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880289c1e90
[ 717.117723][ C1] RBP: ffffc9000363e7d0 R08: ffffffff897c14f1 R09: 1ffffffff25f6ab0
[ 717.117737][ C1] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: dffffc0000000000
[ 717.117752][ C1] R13: ffffffff897c14c0 R14: ffff8880289c1e90 R15: dffffc0000000000
[ 717.117767][ C1] FS: 000055558f4c5380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 717.117784][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.117798][ C1] CR2: 0000559c2bedb7f0 CR3: 000000007aa28000 CR4: 00000000003506f0
[ 717.117815][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.117826][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.117838][ C1] Call Trace:
[ 717.117847][ C1]
[ 717.117855][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.117879][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.117903][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.117927][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.117966][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.117989][ C1] ? nmi_handle+0x14f/0x5a0
[ 717.118018][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.118048][ C1] ? radix_tree_lookup+0x9/0x290
[ 717.118072][ C1] ? default_do_nmi+0x63/0x160
[ 717.118098][ C1] ? exc_nmi+0x123/0x1f0
[ 717.118121][ C1] ? end_repeat_nmi+0xf/0x53
[ 717.118144][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.118168][ C1] ? tcf_idr_check_alloc+0x141/0x900
[ 717.118192][ C1] ? radix_tree_lookup+0x9/0x290
[ 717.118218][ C1] ? radix_tree_lookup+0x9/0x290
[ 717.118244][ C1] ? radix_tree_lookup+0x9/0x290
[ 717.118278][ C1]
[ 717.118284][ C1]
[ 717.118291][ C1] tcf_idr_check_alloc+0x1de/0x900
[ 717.118315][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.118337][ C1] ? __nla_parse+0x40/0x60
[ 717.118364][ C1] tcf_police_init+0x29b/0x17c0
[ 717.118386][ C1] ? __sock_sendmsg+0x221/0x270
[ 717.118408][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 717.118434][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.118471][ C1] ? nla_memcpy+0x5d/0xc0
[ 717.118494][ C1] ? __asan_memcpy+0x40/0x70
[ 717.118521][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.118543][ C1] tcf_action_init_1+0x5d7/0x890
[ 717.118570][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.118605][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.118628][ C1] tcf_action_init+0x2e4/0x940
[ 717.118656][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 717.118711][ C1] ? apparmor_capable+0x138/0x1b0
[ 717.118742][ C1] tc_ctl_action+0x47d/0xcf0
[ 717.118765][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 717.118789][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.118839][ C1] ? trace_contention_end+0x3c/0x120
[ 717.118862][ C1] ? __mutex_lock+0x2ef/0xd70
[ 717.118903][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 717.118929][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.118947][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.118970][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.118991][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.119009][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 717.119029][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.119048][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.119067][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 717.119095][ C1] ? mark_lock+0x9a/0x350
[ 717.119110][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.119130][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.119153][ C1] ? mark_lock+0x9a/0x350
[ 717.119172][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.119197][ C1] netlink_rcv_skb+0x1e3/0x430
[ 717.119219][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.119240][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.119272][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.119293][ C1] netlink_unicast+0x7ea/0x980
[ 717.119316][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 717.119333][ C1] ? __virt_addr_valid+0x183/0x520
[ 717.119355][ C1] ? __check_object_size+0x49c/0x900
[ 717.119369][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.119393][ C1] netlink_sendmsg+0x8db/0xcb0
[ 717.119420][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.119442][ C1] ? __import_iovec+0x536/0x820
[ 717.119462][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 717.119480][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.119494][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 717.119521][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.119541][ C1] __sock_sendmsg+0x221/0x270
[ 717.119563][ C1] ____sys_sendmsg+0x525/0x7d0
[ 717.119583][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.119607][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 717.119624][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.119655][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.119676][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.119693][ C1] ? exc_page_fault+0x590/0x8c0
[ 717.119716][ C1] ? do_syscall_64+0xb6/0x230
[ 717.119732][ C1] do_syscall_64+0xf3/0x230
[ 717.119747][ C1] ? clear_bhb_loop+0x35/0x90
[ 717.119765][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.119781][ C1] RIP: 0033:0x7f14ed35cdf9
[ 717.119799][ 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
[ 717.119810][ C1] RSP: 002b:00007ffe2f288698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.119825][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f14ed35cdf9
[ 717.119835][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.119844][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.119852][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.119861][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.119877][ C1]
[ 717.119884][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.336 msecs
[ 717.749317][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.756180][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 717.766097][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.776168][ T30] Call Trace:
[ 717.779494][ T30]
[ 717.782433][ T30] dump_stack_lvl+0x241/0x360
[ 717.787161][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.792395][ T30] ? __pfx__printk+0x10/0x10
[ 717.797030][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.803122][ T30] ? vscnprintf+0x5d/0x90
[ 717.807475][ T30] panic+0x349/0x860
[ 717.811400][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 717.817581][ T30] ? __pfx_panic+0x10/0x10
[ 717.822036][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 717.827452][ T30] ? __irq_work_queue_local+0x137/0x410
[ 717.833036][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 717.838435][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 717.844618][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 717.850808][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 717.857004][ T30] watchdog+0x101d/0x1020
[ 717.861364][ T30] ? watchdog+0x1ea/0x1020
[ 717.865815][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.870521][ T30] kthread+0x2f0/0x390
[ 717.874619][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.879320][ T30] ? __pfx_kthread+0x10/0x10
[ 717.883934][ T30] ret_from_fork+0x4b/0x80
[ 717.888381][ T30] ? __pfx_kthread+0x10/0x10
[ 717.892993][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.897804][ T30]
[ 717.901191][ T30] Kernel Offset: disabled
[ 717.905529][ T30] Rebooting in 86400 seconds..