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Fuzzing RGBDS? #997

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ISSOtm opened this issue May 7, 2022 · 1 comment

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good first issue meta tests

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ISSOtm commented May 7, 2022

NieDzejkob did it back then I think with AFL, but LLVM also has libfuzzer, which seems to be easier to set up.

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aaaaaa123456789 commented May 7, 2022

Basic setup:

Build the programs as a library (i.e., no main)
Create the fuzzer entry point (int LLVMFuzzerTestOneInput (const unsigned char *, size_t); must accept any input, run it and return 0)
Link the whole thing and build with -fsanitize=fuzzer and you're done: the resulting binary fuzzes the program

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