r0 = creat(&(0x7f0000000040)='./file0\x00', 0x0)
r1 = creat(&(0x7f0000000000)='./file0\x00', 0x0)
r2 = dup3(r1, r0, 0x0)
pwritev2(r2, &(0x7f0000000600)=[{&(0x7f0000000100)='o', 0x1}], 0x1, 0x0, 0x0, 0x0)
fallocate(r1, 0x0, 0x0, 0x7fff)
lseek(r1, 0x0, 0x3)