Recognize shell script based fuzzers #5102
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… for running lua projects in oss-fuzz
Added .sh to ALLOWED_FUZZ_TARGET_EXTENSIONS in src/clusterfuzz/_internal/bot/fuzzers/utils.py.
jonathanmetzman
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Jan 15, 2026
Throwing a very frequent error: FuzzTargetNotFoundError: None is not found. google/clusterfuzz#5102 is probably the correct fix. I don't know what can go wrong by doing it though so I'd rather be conservative and just disable a misbehaving project using .sh as suffix for fuzz targets.
DavidKorczynski
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Jan 15, 2026
Throwing a very frequent error: FuzzTargetNotFoundError: None is not found. google/clusterfuzz#5102 is probably the correct fix. I don't know what can go wrong by doing it though so I'd rather be conservative and just disable a misbehaving project using .sh as suffix for fuzz targets.
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Some oss-fuzz projects like jopt-simple use them.
See for example: https://pantheon.corp.google.com/logs/query;query=error_groups.id%3D%22CKXF_-yanZDKTw%22%0AlogName:%22python%22%0Aresource.type%3D%22gce_instance%22%0Aresource.labels.zone%3D%22projects%2F877343783628%2Fzones%2Fus-west1-c%22%0Aresource.labels.project_id%3D%22clusterfuzz-external%22%0Aresource.labels.instance_id%3D%227626472112315018874%22;cursorTimestamp=2026-01-02T18:41:14.909613Z;startTime=2026-01-02T18:11:44.909Z;endTime=2026-01-02T19:11:44.909Z?e=-13802955&mods=logs_tg_prod&project=clusterfuzz-external