r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f0000000140)=' ', 0x1, 0x99ad)
truncate(&(0x7f0000000380)='./file1\x00', 0x7fff)
r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
sendfile(r0, r1, 0x0, 0xa0103)