Warning: Permanently added '10.128.10.36' (ED25519) to the list of known hosts.
executing program
[  714.761691][   T27] INFO: task kworker/1:3:1976 blocked for more than 143 seconds.
[  714.763671][   T27]       Not tainted 5.15.160-syzkaller #0
[  714.765070][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  714.767209][   T27] task:kworker/1:3     state:D stack:    0 pid: 1976 ppid:     2 flags:0x00000008
[  714.769473][   T27] Workqueue: ipv6_addrconf addrconf_verify_work
[  714.771020][   T27] Call trace:
[  714.773240][   T27]  __switch_to+0x308/0x5e8
[  714.774367][   T27]  __schedule+0xf10/0x1e48
[  714.775469][   T27]  schedule+0x11c/0x1c8
[  714.776480][   T27]  schedule_preempt_disabled+0x18/0x2c
[  714.777792][   T27]  __mutex_lock_common+0xba0/0x2154
[  714.779046][   T27]  mutex_lock_nested+0xa4/0xf8
[  714.780240][   T27]  rtnl_lock+0x20/0x2c
[  714.781220][   T27]  addrconf_verify_work+0x14/0x28
[  714.785049][   T27]  process_one_work+0x790/0x11b8
[  714.786291][   T27]  worker_thread+0x910/0x1034
[  714.787427][   T27]  kthread+0x37c/0x45c
[  714.788412][   T27]  ret_from_fork+0x10/0x20
[  714.789526][   T27] 
[  714.789526][   T27] Showing all locks held in the system:
[  714.791475][   T27] 1 lock held by khungtaskd/27:
[  714.793542][   T27]  #0: ffff800014b214a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  714.795903][   T27] 3 locks held by kworker/1:3/1976:
[  714.797191][   T27]  #0: ffff0000d23abd38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8
[  714.799899][   T27]  #1: ffff8000221e7c00 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8
[  714.803063][   T27]  #2: ffff800016a46ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c
[  714.805204][   T27] 2 locks held by getty/3736:
[  714.806334][   T27]  #0: ffff0000d381d098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  714.808730][   T27]  #1: ffff800018e232e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  714.811210][   T27] 1 lock held by syz-executor255/4005:
[  714.813265][   T27] 
[  714.813896][   T27] =============================================
[  714.813896][   T27] 
[  714.815952][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  714.817593][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[  714.819529][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  714.821973][   T27] Call trace:
[  714.822764][   T27]  dump_backtrace+0x0/0x530
[  714.823915][   T27]  show_stack+0x2c/0x3c
[  714.824964][   T27]  dump_stack_lvl+0x108/0x170
[  714.826175][   T27]  dump_stack+0x1c/0x58
[  714.827226][   T27]  panic+0x304/0x8bc
[  714.828228][   T27]  hung_task_panic+0x0/0x2c
[  714.829360][   T27]  kthread+0x37c/0x45c
[  714.830387][   T27]  ret_from_fork+0x10/0x20
[  714.831521][   T27] SMP: stopping secondary CPUs
[  714.832727][   T27] Kernel Offset: disabled
[  714.833832][   T27] CPU features: 0x0,000081c1,21302e40
[  714.835176][   T27] Memory Limit: none
[  715.141748][   T27] Rebooting in 86400 seconds..