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All 25 InstrumentBytecodeTest cases pass on cp313/cp314; the only failure
is pyinstaller_coverage_test.py, and it fails before atheris is even
involved: PyInstaller's onefile mode needs a shared libpython, and this
manylinux image's cp312/cp313/cp314 builds don't have one ("Python was
built without a shared library"). That's a property of the interpreter
build, not something a patch to atheris or its packaging can fix, and
it's unrelated to the fuzzing engine's own correctness.
luhenry
marked this pull request as ready for review
October 1, 2026 01:36
luhenry
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Oct 1, 2026
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atheris3.1.0Google's Python fuzzing engine, built on libFuzzer via a pybind11 extension.
Mirrors upstream's
deployment/Dockerfileandrun_tests.sh, pinned to the352d5f2release commit (its Python sources are byte-identical to the 3.1.0 PyPI wheels; upstream cuts releases without git tags).Differs from upstream
ALL_FUZZER_SUPPORTED_ARCHincompiler-rt/cmake/Modules/AllSupportedArchDefs.cmake). Rocky 10'scompiler-rtRPM already ships a prebuiltlibclang_rt.fuzzer_no_main.afor riscv64, soCIBW_BEFORE_ALL: dnf install -y compiler-rtplusLIBFUZZER_LIBreplaces the multi-hour LLVM build entirely. New gotcha 623 inskills/python-project-porting/references/gotchas/feasibility-and-triage.mdcovers this.Matrix: cp312/cp313/cp314 - no free-threaded wheel upstream, no musllinux (matches upstream).
Testing: upstream's own
src/*_test.pyscripts, run directly against the installed wheel.License: OK (Apache-2.0)