behavioral patch-diffing: rank the function that changed between vuln and patched builds (x86-64, MIT)

most patch-diffing for 1-day work is CFG diffing (bindiff, diaphora). it works but gets shaky when the two builds weren't compiled the same way, different compiler or opt level, and you burn time chasing cosmetic diffs. i built fnprint to diff by behavior instead of structure. it micro-executes each function in a small emulator with junk inputs... Weiterlesen