Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts.
executing program
[  363.650646][ T6121] tipc: Started in network mode
[  363.651975][ T6121] tipc: Node identity , cluster identity 4711
[  363.653409][ T6121] tipc: Failed to obtain node identity
[  363.654756][ T6121] tipc: Enabling of bearer <eth:ip6gre0> rejected, failed to enable media
[  363.657249][ T6121] tipc: Started in network mode
[  363.659223][ T6121] tipc: Node identity 7f000001, cluster identity 4711
[  363.661815][ T6121] tipc: Enabled bearer <udp:syz2>, priority 10
executing program
[  363.667521][ T6122] tipc: Enabled bearer <eth:ip6gre0>, priority 10
[  363.669901][ T6122] tipc: Enabling of bearer <udp:syz2> rejected, already enabled
[  364.778890][ T5676] tipc: Node number set to 2130706433
[  571.358393][   T29] INFO: task kworker/1:0:23 blocked for more than 143 seconds.
[  571.360149][   T29]       Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0
[  571.361814][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  571.363762][   T29] task:kworker/1:0     state:D stack:0     pid:23    tgid:23    ppid:2      flags:0x00000008
[  571.366216][   T29] Workqueue: ipv6_addrconf addrconf_verify_work
[  571.367799][   T29] Call trace:
[  571.369582][   T29]  __switch_to+0x314/0x560
[  571.370729][   T29]  __schedule+0x1354/0x2360
[  571.371802][   T29]  schedule+0xb8/0x19c
[  571.372780][   T29]  schedule_preempt_disabled+0x18/0x2c
[  571.374112][   T29]  __mutex_lock_common+0xbd8/0x21a0
[  571.375426][   T29]  mutex_lock_nested+0x2c/0x38
[  571.376640][   T29]  rtnl_lock+0x20/0x2c
[  571.377603][   T29]  addrconf_verify_work+0x20/0x3c
[  571.379454][   T29]  process_one_work+0x694/0x1204
[  571.380609][   T29]  worker_thread+0x938/0xef4
[  571.381725][   T29]  kthread+0x288/0x310
[  571.382589][   T29]  ret_from_fork+0x10/0x20
[  571.383723][   T29] 
[  571.383723][   T29] Showing all locks held in the system:
[  571.385572][   T29] 3 locks held by kworker/1:0/23:
[  571.386755][   T29]  #0: ffff0000d22c0938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x560/0x1204
[  571.389955][   T29]  #1: ffff800093fe7c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204
[  571.393167][   T29]  #2: ffff800090f6ffa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c
[  571.395320][   T29] 1 lock held by khungtaskd/29:
[  571.396454][   T29]  #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  571.400092][   T29] 2 locks held by getty/5855:
[  571.401317][   T29]  #0: ffff0000d75800a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c
[  571.403597][   T29]  #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228
[  571.405986][   T29] 3 locks held by syz-executor128/6122:
[  571.407265][   T29] 
[  571.407829][   T29] =============================================
[  571.407829][   T29] 
[  571.410852][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  571.412522][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0
[  571.414766][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[  571.417095][   T29] Call trace:
[  571.417862][   T29]  dump_backtrace+0x1b8/0x1e4
[  571.418970][   T29]  show_stack+0x2c/0x3c
[  571.420025][   T29]  dump_stack_lvl+0xd0/0x124
[  571.421127][   T29]  dump_stack+0x1c/0x28
[  571.422115][   T29]  panic+0x30c/0x88c
[  571.423073][   T29]  hung_task_panic+0x0/0x2c
[  571.424167][   T29]  kthread+0x288/0x310
[  571.425103][   T29]  ret_from_fork+0x10/0x20
[  571.426190][   T29] SMP: stopping secondary CPUs
[  571.427322][   T29] Kernel Offset: disabled
[  571.428368][   T29] CPU features: 0x0,00000020,7002004a,21017203
[  571.429908][   T29] Memory Limit: none
[  571.767068][   T29] Rebooting in 86400 seconds..