Warning: Permanently added '10.128.0.100' (ED25519) to the list of known hosts.
executing program
[ 716.896413][ T30] INFO: task kworker/u8:0:11 blocked for more than 143 seconds.
[ 716.904399][ T30] Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 716.912800][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.921694][ T30] task:kworker/u8:0 state:D stack:19576 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 716.932117][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.938598][ T30] Call Trace:
[ 716.941887][ T30]
[ 716.944827][ T30] __schedule+0x17e8/0x4a20
[ 716.949745][ T30] ? __pfx___schedule+0x10/0x10
[ 716.954627][ T30] ? __pfx_lock_release+0x10/0x10
[ 716.959937][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 716.965418][ T30] ? kthread_data+0x52/0xd0
[ 716.970189][ T30] ? schedule+0x90/0x320
[ 716.974465][ T30] ? wq_worker_sleeping+0x66/0x240
[ 716.979883][ T30] ? schedule+0x90/0x320
[ 716.984142][ T30] schedule+0x14b/0x320
[ 716.988551][ T30] schedule_preempt_disabled+0x13/0x30
[ 716.994025][ T30] __mutex_lock+0x6a4/0xd70
[ 716.998938][ T30] ? __mutex_lock+0x527/0xd70
[ 717.003637][ T30] ? addrconf_verify_work+0x19/0x30
[ 717.009184][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 717.014233][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.020935][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.027504][ T30] ? process_scheduled_works+0x945/0x1830
[ 717.033244][ T30] addrconf_verify_work+0x19/0x30
[ 717.038324][ T30] process_scheduled_works+0xa2c/0x1830
[ 717.043909][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 717.050472][ T30] ? assign_work+0x364/0x3d0
[ 717.055107][ T30] worker_thread+0x86d/0xd70
[ 717.059964][ T30] ? __kthread_parkme+0x169/0x1d0
[ 717.065012][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.070417][ T30] kthread+0x2f0/0x390
[ 717.074509][ T30] ? __pfx_worker_thread+0x10/0x10
[ 717.079851][ T30] ? __pfx_kthread+0x10/0x10
[ 717.084459][ T30] ret_from_fork+0x4b/0x80
[ 717.089268][ T30] ? __pfx_kthread+0x10/0x10
[ 717.093879][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.098896][ T30]
[ 717.102042][ T30]
[ 717.102042][ T30] Showing all locks held in the system:
[ 717.110040][ T30] 3 locks held by kworker/u8:0/11:
[ 717.115160][ T30] #0: ffff88802a2a8948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 717.127256][ T30] #1: ffffc90000107d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 717.141516][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 717.151321][ T30] 1 lock held by khungtaskd/30:
[ 717.156177][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 717.166363][ T30] 2 locks held by getty/4842:
[ 717.171040][ T30] #0: ffff88802ad490a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 717.181083][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 717.191413][ T30] 2 locks held by syz-executor183/5114:
[ 717.197168][ T30]
[ 717.199503][ T30] =============================================
[ 717.199503][ T30]
[ 717.208208][ T30] NMI backtrace for cpu 0
[ 717.212546][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 717.222435][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.232491][ T30] Call Trace:
[ 717.235782][ T30]
[ 717.238801][ T30] dump_stack_lvl+0x241/0x360
[ 717.243494][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 717.248700][ T30] ? __pfx__printk+0x10/0x10
[ 717.253290][ T30] ? vprintk_emit+0x631/0x770
[ 717.257977][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 717.263017][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 717.267970][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.273434][ T30] ? _printk+0xd5/0x120
[ 717.277596][ T30] ? __pfx__printk+0x10/0x10
[ 717.282188][ T30] ? __wake_up_klogd+0xcc/0x110
[ 717.287052][ T30] ? __pfx__printk+0x10/0x10
[ 717.291646][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 717.296681][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 717.302667][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 717.308661][ T30] watchdog+0xfde/0x1020
[ 717.312912][ T30] ? watchdog+0x1ea/0x1020
[ 717.317339][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.322022][ T30] kthread+0x2f0/0x390
[ 717.326097][ T30] ? __pfx_watchdog+0x10/0x10
[ 717.330796][ T30] ? __pfx_kthread+0x10/0x10
[ 717.335420][ T30] ret_from_fork+0x4b/0x80
[ 717.339862][ T30] ? __pfx_kthread+0x10/0x10
[ 717.344476][ T30] ret_from_fork_asm+0x1a/0x30
[ 717.349269][ T30]
[ 717.352436][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 717.357695][ C1] NMI backtrace for cpu 1
[ 717.357707][ C1] CPU: 1 PID: 5114 Comm: syz-executor183 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 717.357725][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 717.357739][ C1] RIP: 0010:lock_release+0x61b/0x9f0
[ 717.357764][ C1] Code: c7 84 24 90 00 00 00 00 00 00 00 9c 8f 84 24 90 00 00 00 42 80 3c 3b 00 74 08 4c 89 f7 e8 cd 57 89 00 f6 84 24 91 00 00 00 02 <75> 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 4b
[ 717.357777][ C1] RSP: 0018:ffffc9000339e5c0 EFLAGS: 00000046
[ 717.357792][ C1] RAX: 0000000000000001 RBX: 1ffff92000673cca RCX: ffffc9000339e603
[ 717.357804][ C1] RDX: 0000000000000001 RSI: ffffffff8bcacd00 RDI: ffffffff8c1ff380
[ 717.357815][ C1] RBP: ffffc9000339e6f0 R08: ffffffff8fad50af R09: 1ffffffff1f5aa15
[ 717.357827][ C1] R10: dffffc0000000000 R11: fffffbfff1f5aa16 R12: 1ffff92000673cc4
[ 717.357840][ C1] R13: 0000000000000246 R14: ffffc9000339e650 R15: dffffc0000000000
[ 717.357851][ C1] FS: 0000555561c6d380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 717.357866][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.357877][ C1] CR2: 00005623ad6967f0 CR3: 0000000079982000 CR4: 00000000003506f0
[ 717.357891][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.357900][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.357910][ C1] Call Trace:
[ 717.357919][ C1]
[ 717.357925][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 717.357947][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.357966][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 717.357987][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.358018][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 717.358037][ C1] ? nmi_handle+0x14f/0x5a0
[ 717.358060][ C1] ? nmi_handle+0x2a/0x5a0
[ 717.358083][ C1] ? lock_release+0x61b/0x9f0
[ 717.358099][ C1] ? default_do_nmi+0x63/0x160
[ 717.358122][ C1] ? exc_nmi+0x123/0x1f0
[ 717.358143][ C1] ? end_repeat_nmi+0xf/0x53
[ 717.358173][ C1] ? lock_release+0x61b/0x9f0
[ 717.358190][ C1] ? lock_release+0x61b/0x9f0
[ 717.358207][ C1] ? lock_release+0x61b/0x9f0
[ 717.358223][ C1]
[ 717.358229][ C1]
[ 717.358236][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 717.358253][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.358277][ C1] ? __pfx_lock_release+0x10/0x10
[ 717.358294][ C1] ? tcf_idr_check_alloc+0x141/0x900
[ 717.358318][ C1] ? check_preemption_disabled+0x4b/0x120
[ 717.358339][ C1] ? tcf_idr_check_alloc+0x110/0x900
[ 717.358362][ C1] tcf_idr_check_alloc+0xff/0x900
[ 717.358388][ C1] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 717.358412][ C1] ? __nla_parse+0x40/0x60
[ 717.358435][ C1] tcf_police_init+0x29b/0x17c0
[ 717.358451][ C1] ? __sock_sendmsg+0x221/0x270
[ 717.358469][ C1] ? ____sys_sendmsg+0x525/0x7d0
[ 717.358492][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.358521][ C1] ? nla_memcpy+0x5d/0xc0
[ 717.358541][ C1] ? __asan_memcpy+0x40/0x70
[ 717.358559][ C1] ? __pfx_tcf_police_init+0x10/0x10
[ 717.358575][ C1] tcf_action_init_1+0x5d7/0x890
[ 717.358604][ C1] ? __pfx_tcf_action_init_1+0x10/0x10
[ 717.358640][ C1] ? tcf_action_fill_size+0x1e/0x2d0
[ 717.358665][ C1] tcf_action_init+0x2e4/0x940
[ 717.358696][ C1] ? __pfx_tcf_action_init+0x10/0x10
[ 717.358749][ C1] ? apparmor_capable+0x138/0x1b0
[ 717.358776][ C1] tc_ctl_action+0x47d/0xcf0
[ 717.358792][ C1] ? is_bpf_text_address+0x26/0x2a0
[ 717.358815][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.358845][ C1] ? trace_contention_end+0x3c/0x120
[ 717.358866][ C1] ? __mutex_lock+0x2ef/0xd70
[ 717.358887][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 717.358908][ C1] ? __pfx_tc_ctl_action+0x10/0x10
[ 717.358923][ C1] rtnetlink_rcv_msg+0x89b/0x1180
[ 717.358946][ C1] ? rtnetlink_rcv_msg+0x208/0x1180
[ 717.358967][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.358985][ C1] ? is_bpf_text_address+0x285/0x2a0
[ 717.359006][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.359026][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.359046][ C1] ? arch_stack_walk+0x16d/0x1b0
[ 717.359075][ C1] ? mark_lock+0x9a/0x350
[ 717.359092][ C1] ? __pfx_validate_chain+0x10/0x10
[ 717.359112][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.359137][ C1] ? mark_lock+0x9a/0x350
[ 717.359160][ C1] ? __lock_acquire+0x1346/0x1fd0
[ 717.359187][ C1] netlink_rcv_skb+0x1e3/0x430
[ 717.359206][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 717.359227][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 717.359256][ C1] ? netlink_deliver_tap+0x2e/0x1b0
[ 717.359274][ C1] netlink_unicast+0x7ea/0x980
[ 717.359294][ C1] ? __pfx_netlink_unicast+0x10/0x10
[ 717.359308][ C1] ? __virt_addr_valid+0x183/0x520
[ 717.359331][ C1] ? __check_object_size+0x49c/0x900
[ 717.359354][ C1] ? bpf_lsm_netlink_send+0x9/0x10
[ 717.359379][ C1] netlink_sendmsg+0x8db/0xcb0
[ 717.359403][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.359422][ C1] ? __import_iovec+0x536/0x820
[ 717.359442][ C1] ? aa_sock_msg_perm+0x91/0x160
[ 717.359460][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 717.359476][ C1] ? security_socket_sendmsg+0x87/0xb0
[ 717.359499][ C1] ? __pfx_netlink_sendmsg+0x10/0x10
[ 717.359516][ C1] __sock_sendmsg+0x221/0x270
[ 717.359538][ C1] ____sys_sendmsg+0x525/0x7d0
[ 717.359558][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 717.359582][ C1] __sys_sendmsg+0x2b0/0x3a0
[ 717.359599][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 717.359632][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 717.359653][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 717.359671][ C1] ? exc_page_fault+0x590/0x8c0
[ 717.359688][ C1] ? do_syscall_64+0xb6/0x230
[ 717.359707][ C1] do_syscall_64+0xf3/0x230
[ 717.359725][ C1] ? clear_bhb_loop+0x35/0x90
[ 717.359746][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 717.359766][ C1] RIP: 0033:0x7f7424d66df9
[ 717.359784][ 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
[ 717.359797][ C1] RSP: 002b:00007fffbf9d9298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 717.359813][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7424d66df9
[ 717.359825][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 717.359834][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 717.359843][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 717.359853][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 717.359871][ C1]
[ 717.359878][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.182 msecs
[ 718.008070][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 718.014924][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 718.024813][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 718.034881][ T30] Call Trace:
[ 718.038163][ T30]
[ 718.041102][ T30] dump_stack_lvl+0x241/0x360
[ 718.045788][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 718.050992][ T30] ? __pfx__printk+0x10/0x10
[ 718.055670][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 718.061672][ T30] ? vscnprintf+0x5d/0x90
[ 718.066125][ T30] panic+0x349/0x860
[ 718.070029][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.076188][ T30] ? __pfx_panic+0x10/0x10
[ 718.080690][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 718.086071][ T30] ? __irq_work_queue_local+0x137/0x410
[ 718.091620][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 718.097032][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 718.103192][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 718.109354][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 718.115515][ T30] watchdog+0x101d/0x1020
[ 718.119850][ T30] ? watchdog+0x1ea/0x1020
[ 718.124280][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.128960][ T30] kthread+0x2f0/0x390
[ 718.133033][ T30] ? __pfx_watchdog+0x10/0x10
[ 718.137711][ T30] ? __pfx_kthread+0x10/0x10
[ 718.142303][ T30] ret_from_fork+0x4b/0x80
[ 718.146726][ T30] ? __pfx_kthread+0x10/0x10
[ 718.151319][ T30] ret_from_fork_asm+0x1a/0x30
[ 718.156102][ T30]
[ 718.159342][ T30] Kernel Offset: disabled
[ 718.163656][ T30] Rebooting in 86400 seconds..