libgit2:commit_graph_fuzzer: Use-after-poison in git_oid_raw_cmp

Detailed Report: https://oss-fuzz.com/testcase?key=5458408397733888 Project: libgit2 Fuzzing Engine: honggfuzz Fuzz Target: commitgraphfuzzer Job Type: honggfuzzasanlibgit2 Platform Id: linux Crash Type: Use-after-poison READ Crash Address: 0x7fffe35e5609 Crash State: gitoidrawcmp...

libgit2:commit_graph_fuzzer: Heap-buffer-overflow in git_oid_raw_cmp

Project: https://github.com/libgit2/libgit2.git Detailed Report: https://oss-fuzz.com/testcase?key=4617054595710976 Project: libgit2 Fuzzing Engine: libFuzzer Fuzz Target: commitgraphfuzzer Job Type: libfuzzerasanlibgit2 Platform Id: linux Crash Type: Heap-buffer-overflow READ Crash Address:...