r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
preadv(r0, &(0x7f0000001500)=[{&(0x7f0000000200)=""/154, 0x9a}], 0x1, 0x7fffffff, 0x0)