Warning: Permanently added '10.128.0.159' (ED25519) to the list of known hosts.
executing program
[  714.754688][   T27] INFO: task kworker/1:2:1954 blocked for more than 143 seconds.
[  714.756790][   T27]       Not tainted 5.15.160-syzkaller #0
[  714.758225][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  714.760416][   T27] task:kworker/1:2     state:D stack:    0 pid: 1954 ppid:     2 flags:0x00000008
[  714.762687][   T27] Workqueue: ipv6_addrconf addrconf_verify_work
[  714.764254][   T27] Call trace:
[  714.766452][   T27]  __switch_to+0x308/0x5e8
[  714.767577][   T27]  __schedule+0xf10/0x1e48
[  714.768648][   T27]  schedule+0x11c/0x1c8
[  714.769727][   T27]  schedule_preempt_disabled+0x18/0x2c
[  714.771067][   T27]  __mutex_lock_common+0xba0/0x2154
[  714.772371][   T27]  mutex_lock_nested+0xa4/0xf8
[  714.773559][   T27]  rtnl_lock+0x20/0x2c
[  714.776308][   T27]  addrconf_verify_work+0x14/0x28
[  714.777633][   T27]  process_one_work+0x790/0x11b8
[  714.778912][   T27]  worker_thread+0x910/0x1034
[  714.780095][   T27]  kthread+0x37c/0x45c
[  714.781130][   T27]  ret_from_fork+0x10/0x20
[  714.782270][   T27] 
[  714.782270][   T27] Showing all locks held in the system:
[  714.784167][   T27] 1 lock held by khungtaskd/27:
[  714.786250][   T27]  #0: ffff800014b214a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  714.788678][   T27] 3 locks held by kworker/1:2/1954:
[  714.789974][   T27]  #0: ffff0000d2323938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8
[  714.792708][   T27]  #1: ffff800021ed7c00 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8
[  714.795982][   T27]  #2: ffff800016a46ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c
[  714.798148][   T27] 2 locks held by getty/3732:
[  714.799311][   T27]  #0: ffff0000d2e75098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  714.801701][   T27]  #1: ffff800018e362e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  714.804174][   T27] 2 locks held by syz-executor125/3997:
[  714.806267][   T27] 
[  714.806844][   T27] =============================================
[  714.806844][   T27] 
[  714.808980][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  714.810679][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[  714.812610][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  714.815171][   T27] Call trace:
[  714.816025][   T27]  dump_backtrace+0x0/0x530
[  714.817202][   T27]  show_stack+0x2c/0x3c
[  714.818321][   T27]  dump_stack_lvl+0x108/0x170
[  714.819517][   T27]  dump_stack+0x1c/0x58
[  714.820580][   T27]  panic+0x304/0x8bc
[  714.821554][   T27]  hung_task_panic+0x0/0x2c
[  714.822697][   T27]  kthread+0x37c/0x45c
[  714.823746][   T27]  ret_from_fork+0x10/0x20
[  714.824878][   T27] SMP: stopping secondary CPUs
[  714.826064][   T27] Kernel Offset: disabled
[  714.827213][   T27] CPU features: 0x0,000081c1,21302e40
[  714.828597][   T27] Memory Limit: none
[  715.221301][   T27] Rebooting in 86400 seconds..