Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts.
executing program
[  716.111554][   T29] INFO: task kworker/1:2:145 blocked for more than 143 seconds.
[  716.119257][   T29]       Not tainted 5.19.0-rc3-syzkaller-00175-g0a18d802d65c #0
[  716.127037][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  716.135854][   T29] task:kworker/1:2     state:D stack:28376 pid:  145 ppid:     2 flags:0x00004000
[  716.145215][   T29] Workqueue: ipv6_addrconf addrconf_verify_work
[  716.151680][   T29] Call Trace:
[  716.155002][   T29]  <TASK>
[  716.157961][   T29]  __schedule+0xa00/0x4b50
[  716.162537][   T29]  ? find_held_lock+0x2d/0x110
[  716.167362][   T29]  ? wq_worker_sleeping+0x1e5/0x250
[  716.172698][   T29]  ? mark_held_locks+0x9f/0xe0
[  716.177527][   T29]  ? io_schedule_timeout+0x140/0x140
[  716.182925][   T29]  ? lockdep_hardirqs_on+0x79/0x100
[  716.188178][   T29]  schedule+0xd2/0x1f0
[  716.192373][   T29]  schedule_preempt_disabled+0xf/0x20
[  716.197800][   T29]  __mutex_lock+0xa70/0x1350
[  716.202499][   T29]  ? addrconf_verify_work+0xe/0x20
[  716.207662][   T29]  ? mutex_lock_io_nested+0x1190/0x1190
[  716.213344][   T29]  ? lock_release+0x780/0x780
[  716.218085][   T29]  addrconf_verify_work+0xe/0x20
[  716.223123][   T29]  process_one_work+0x996/0x1610
[  716.228128][   T29]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[  716.233623][   T29]  ? rwlock_bug.part.0+0x90/0x90
[  716.238610][   T29]  ? _raw_spin_lock_irq+0x41/0x50
[  716.243786][   T29]  worker_thread+0x665/0x1080
[  716.248521][   T29]  ? __kthread_parkme+0x15f/0x220
[  716.253702][   T29]  ? process_one_work+0x1610/0x1610
[  716.258959][   T29]  kthread+0x2e9/0x3a0
[  716.263148][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  716.268866][   T29]  ret_from_fork+0x1f/0x30
[  716.273458][   T29]  </TASK>
[  716.276595][   T29] 
[  716.276595][   T29] Showing all locks held in the system:
[  716.284422][   T29] 1 lock held by khungtaskd/29:
[  716.289338][   T29]  #0: ffffffff8bd86ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[  716.299399][   T29] 3 locks held by kworker/1:2/145:
[  716.304612][   T29]  #0: ffff888025c97138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610
[  716.315690][   T29]  #1: ffffc90002967da8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610
[  716.328871][   T29]  #2: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xe/0x20
[  716.338427][   T29] 2 locks held by getty/3295:
[  716.343164][   T29]  #0: ffff8880268a2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[  716.353122][   T29]  #1: ffffc90002d0e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0
[  716.363327][   T29] 1 lock held by syz-executor159/3640:
[  716.368793][   T29]  #0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3a/0x180
[  716.377887][   T29] 
[  716.380231][   T29] =============================================
[  716.380231][   T29] 
[  716.388728][   T29] NMI backtrace for cpu 1
[  716.393062][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00175-g0a18d802d65c #0
[  716.402963][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2022
[  716.413022][   T29] Call Trace:
[  716.416303][   T29]  <TASK>
[  716.419245][   T29]  dump_stack_lvl+0xcd/0x134
[  716.423897][   T29]  nmi_cpu_backtrace.cold+0x47/0x144
[  716.429203][   T29]  ? lapic_can_unplug_cpu+0x80/0x80
[  716.434408][   T29]  nmi_trigger_cpumask_backtrace+0x1e6/0x230
[  716.440438][   T29]  watchdog+0xc22/0xf90
[  716.444613][   T29]  ? proc_dohung_task_timeout_secs+0x80/0x80
[  716.450607][   T29]  kthread+0x2e9/0x3a0
[  716.454682][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  716.460327][   T29]  ret_from_fork+0x1f/0x30
[  716.464765][   T29]  </TASK>
[  716.467921][   T29] Sending NMI from CPU 1 to CPUs 0:
[  716.473179][    C0] NMI backtrace for cpu 0
[  716.473188][    C0] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 5.19.0-rc3-syzkaller-00175-g0a18d802d65c #0