r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0x6, 0x0)
preadv(r0, &(0x7f0000001600)=[{0x0, 0xb405}, {&(0x7f0000000580)=""/4096, 0x1000}], 0x2, 0x0, 0x0)