Use fuzz_targets from clusterfuzz_manifest.json if available#5387
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notvictorl wants to merge 2 commits into
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Use fuzz_targets from clusterfuzz_manifest.json if available#5387notvictorl wants to merge 2 commits into
notvictorl wants to merge 2 commits into
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notvictorl
marked this pull request as draft
July 23, 2026 21:58
notvictorl
marked this pull request as ready for review
July 24, 2026 20:59
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Chrome archives initially pick fuzz targets from a
fuzz_targetproperty fromclusterfuzz_manifest.json, but it doesn't use it on future runs when picking fuzz targets. This leads to wasting time doing a directory scan for_fuzzerbinaries to choose a fuzz target and can pick a binary that is not intended to be run (run_*_fuzzer).Modifying fuzzer utils to re-access
clusterfuzz_manifest.jsonforfuzz_targetsif available otherwise fall back to existing behavior. Adding unit tests for fuzzer utils.Drive-by: Improve Chrome manifest path search by joining to
root_dirfor wrapped directories where ClusterFuzz's build directory is not the Chrome archives root directory with respective unit tests.Bug: https://crbug.com/507833074