r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
ftruncate(r0, 0xd8e0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f0000000140)=' ', 0x1, 0xa00000)
sendfile(r1, r1, 0x0, 0x7fffffff)