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Add OSS-Fuzz on Demand build steps to extract crashes from the fuzzing output corpus #13270

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Merged
merged 21 commits into from
May 9, 2025

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decoNR
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@decoNR decoNR commented Apr 30, 2025

Add build steps to download the latest LibFuzzer build and use it to extract crashes from the fuzzing output corpus.

  • Increment ood.Dockerfile to be able to copy the fuzzing output corpus directory to OOD_OUTPUT_CORPUS_DIR.
  • Use cifuzz code to get the latest LibFuzzer build filename.
  • Add a build step to download the latest LibFuzzer build from GCS.
  • Add a build step to use the latest LibFuzzer target to extract crashes from the OOD fuzzing output corpus.
  • Improve fuzzbench.py maintainability by adding GCB_WORKSPACE_DIR constant.

Related to b/401215144 .

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decoNR commented Apr 30, 2025

/gcbrun oss_fuzz_on_demand.py libucl --fuzzing-engine mopt --fuzz-target ucl_add_string_fuzzer

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decoNR commented May 2, 2025

/gcbrun oss_fuzz_on_demand.py libucl --fuzzing-engine mopt --fuzz-target ucl_add_string_fuzzer

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decoNR commented May 5, 2025

/gcbrun oss_fuzz_on_demand.py libucl --fuzzing-engine mopt --fuzz-target ucl_add_string_fuzzer

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decoNR commented May 6, 2025

/gcbrun oss_fuzz_on_demand.py libucl --fuzzing-engine mopt --fuzz-target ucl_add_string_fuzzer

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lgtm

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decoNR commented May 7, 2025

/gcbrun oss_fuzz_on_demand.py libucl --fuzzing-engine mopt --fuzz-target ucl_add_string_fuzzer

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decoNR commented May 9, 2025

/gcbrun oss_fuzz_on_demand.py libucl --fuzzing-engine mopt --fuzz-target ucl_add_string_fuzzer

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decoNR commented May 9, 2025

/gcbrun oss_fuzz_on_demand.py libucl --fuzzing-engine mopt --fuzz-target ucl_add_string_fuzzer

@jonathanmetzman jonathanmetzman merged commit 0a15922 into master May 9, 2025
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@jonathanmetzman jonathanmetzman deleted the ood_get_output_crashes branch May 9, 2025 14:38
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3 participants