r0 = syz_open_dev$vcsa(&(0x7f0000001a80), 0x3, 0x0)
poll(&(0x7f0000000000)=[{r0}], 0x1, 0x0)
preadv(r0, &(0x7f0000000280)=[{&(0x7f0000000380)=""/251, 0xfb}], 0x1, 0x0, 0x0)