r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x802c2, 0x0)
ftruncate(r0, 0x800)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105142, 0x0)
fcntl$F_SET_FILE_RW_HINT(r1, 0x40e, &(0x7f00000000c0)=0x5)
sendfile(r1, r0, 0x0, 0xfffb)