r0 = syz_open_dev$vcsa(&(0x7f0000005e40), 0x10000, 0x0)
readv(r0, &(0x7f00000026c0)=[{&(0x7f0000000280)=""/253, 0xfd}, {&(0x7f0000000380)=""/4096, 0x1000}], 0x2)