tcpreplay:fuzz_fragroute: Crash in ip_cksum_add

Project: https://github.com/appneta/tcpreplay.git Detailed Report: https://oss-fuzz.com/testcase?key=5285750913171456 Project: tcpreplay Fuzzing Engine: honggfuzz Fuzz Target: fuzzfragroute Job Type: honggfuzzasantcpreplay Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x7daff73a0000...