Warning: Permanently added '10.128.1.157' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   37.375383] 
[   37.377039] ================================================
[   37.382835] WARNING: lock held when returning to user space!
[   37.388624] 4.14.307-syzkaller #0 Not tainted
[   37.393137] ------------------------------------------------
[   37.398931] syz-executor196/7976 is leaving the kernel with locks still held!
[   37.406208] 1 lock held by syz-executor196/7976:
[   37.410951]  #0:  (&lo->lo_ctl_mutex/1){+.+.}, at: [<ffffffff838df0d7>] lo_ioctl+0x87/0x1cd0