r0 = open(&(0x7f0000000040)='./file0\x00', 0x1810c1, 0x0)
fallocate(r0, 0x0, 0x10001, 0x100)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0)
sendfile(r0, r1, &(0x7f0000000080)=0x3, 0x3)
fork()