r0 = creat(&(0x7f00000003c0)='./file0\x00', 0x0) fallocate(r0, 0x0, 0x0, 0x9) r1 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) preadv(r1, &(0x7f0000001600)=[{&(0x7f0000000f40)=""/32, 0x20}], 0x1, 0x0, 0x0)