r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0)
preadv(r0, &(0x7f0000000780)=[{&(0x7f0000000000)=""/244, 0xf4}, {&(0x7f00000003c0)=""/239, 0xef}], 0x2, 0x0, 0x0)