r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
readv(r0, &(0x7f00000005c0)=[{&(0x7f0000000040)=""/252, 0xfc}, {&(0x7f0000000240)=""/254, 0xfe}], 0x2)