diff --git a/fuzzing/dictionaries/fuzz_blob.dict b/fuzzing/dictionaries/fuzz_blob.dict new file mode 100644 index 000000000..7f123f830 --- /dev/null +++ b/fuzzing/dictionaries/fuzz_blob.dict @@ -0,0 +1 @@ +"\\377\\377\\377\\377\\377\\377\\377\\377" diff --git a/fuzzing/fuzz-targets/fuzz_blob.py b/fuzzing/fuzz-targets/fuzz_blob.py new file mode 100644 index 000000000..ce888e85f --- /dev/null +++ b/fuzzing/fuzz-targets/fuzz_blob.py @@ -0,0 +1,40 @@ +import atheris +import sys +import os +import tempfile + +if getattr(sys, "frozen", False) and hasattr(sys, "_MEIPASS"): + path_to_bundled_git_binary = os.path.abspath(os.path.join(os.path.dirname(__file__), "git")) + os.environ["GIT_PYTHON_GIT_EXECUTABLE"] = path_to_bundled_git_binary + +with atheris.instrument_imports(): + import git + + +def TestOneInput(data): + fdp = atheris.FuzzedDataProvider(data) + + with tempfile.TemporaryDirectory() as temp_dir: + repo = git.Repo.init(path=temp_dir) + binsha = fdp.ConsumeBytes(20) + mode = fdp.ConsumeInt(fdp.ConsumeIntInRange(0, fdp.remaining_bytes())) + path = fdp.ConsumeUnicodeNoSurrogates(fdp.remaining_bytes()) + + try: + blob = git.Blob(repo, binsha, mode, path) + except AssertionError as e: + if "Require 20 byte binary sha, got" in str(e): + return -1 + else: + raise e + + _ = blob.mime_type + + +def main(): + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + + +if __name__ == "__main__": + main() pFad - Phonifier reborn

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