Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts.
executing program
[  714.765653][   T27] INFO: task kworker/0:2:1955 blocked for more than 143 seconds.
[  714.767833][   T27]       Not tainted 5.15.159-syzkaller #0
[  714.769365][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  714.771611][   T27] task:kworker/0:2     state:D stack:    0 pid: 1955 ppid:     2 flags:0x00000008
[  714.774141][   T27] Workqueue: ipv6_addrconf addrconf_verify_work
[  714.775879][   T27] Call trace:
[  714.777599][   T27]  __switch_to+0x308/0x5e8
[  714.778798][   T27]  __schedule+0xf10/0x1e48
[  714.779945][   T27]  schedule+0x11c/0x1c8
[  714.780997][   T27]  schedule_preempt_disabled+0x18/0x2c
[  714.782473][   T27]  __mutex_lock_common+0xba0/0x2154
[  714.783872][   T27]  mutex_lock_nested+0xa4/0xf8
[  714.785167][   T27]  rtnl_lock+0x20/0x2c
[  714.786371][   T27]  addrconf_verify_work+0x14/0x28
[  714.789039][   T27]  process_one_work+0x790/0x11b8
[  714.790332][   T27]  worker_thread+0x910/0x1034
[  714.791525][   T27]  kthread+0x37c/0x45c
[  714.792543][   T27]  ret_from_fork+0x10/0x20
[  714.793720][   T27] 
[  714.793720][   T27] Showing all locks held in the system:
[  714.795801][   T27] 1 lock held by khungtaskd/27:
[  714.797533][   T27]  #0: ffff800014b214a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  714.799985][   T27] 3 locks held by kworker/0:2/1955:
[  714.801371][   T27]  #0: ffff0000d297ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8
[  714.804258][   T27]  #1: ffff800021f37c00 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8
[  714.807385][   T27]  #2: ffff800016a46ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c
[  714.809714][   T27] 2 locks held by getty/3741:
[  714.810878][   T27]  #0: ffff0000d4271098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  714.813367][   T27]  #1: ffff80001a36b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  714.816193][   T27] 1 lock held by syz-executor275/4005:
[  714.817931][   T27] 
[  714.818515][   T27] =============================================
[  714.818515][   T27] 
[  714.820682][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  714.822444][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.159-syzkaller #0
[  714.824589][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  714.827228][   T27] Call trace:
[  714.828087][   T27]  dump_backtrace+0x0/0x530
[  714.829278][   T27]  show_stack+0x2c/0x3c
[  714.830463][   T27]  dump_stack_lvl+0x108/0x170
[  714.831746][   T27]  dump_stack+0x1c/0x58
[  714.832890][   T27]  panic+0x304/0x8bc
[  714.833951][   T27]  hung_task_panic+0x0/0x2c
[  714.835183][   T27]  kthread+0x37c/0x45c
[  714.836282][   T27]  ret_from_fork+0x10/0x20
[  714.837477][   T27] SMP: stopping secondary CPUs
[  714.838778][   T27] Kernel Offset: disabled
[  714.839940][   T27] CPU features: 0x0,000081c1,21302e40
[  714.841365][   T27] Memory Limit: none
[  715.210089][   T27] Rebooting in 86400 seconds..