r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
preadv(r0, &(0x7f0000001240)=[{&(0x7f00000000c0)=""/126, 0x7e}], 0x1, 0x0, 0x0)