8000 Coverage build failing due to empty corpus. · Issue #13263 · google/oss-fuzz · GitHub
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Coverage build failing due to empty corpus. #13263

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sudiptob2 opened this issue Apr 29, 2025 · 0 comments
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Coverage build failing due to empty corpus. #13263

sudiptob2 opened this issue Apr 29, 2025 &mid 6F37 dot; 0 comments

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@sudiptob2
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We are implementing fuzzing for envoy/gateway and are encountering a failed coverage build in OSS-Fuzz. In step 5, one of our fuzzer's corpus (FuzzGatewayClassToXDS.zip) is empty, which appears to be causing the coverage build to fail.

However, the fuzzer seems to be running—as indicated by the fuzzing build logs—so we’re unsure why the generated corpus is empty in OSS-Fuzz.

Part of coverage build logs:

Step #5: Already have image (with digest): gcr.io/oss-fuzz-base/base-runner
Step #5: warning [/corpus/FuzzGatewayClassToXDS.zip]:  zipfile is empty
Step #5: Failed to unpack the corpus for FuzzGatewayClassToXDS. This usually means that corpus backup for a particular fuzz target does not exist. If a fuzz target was added in the last 24 hours, please wait one more day. Otherwise, something is wrong with the fuzz target or the infrastructure, and corpus pruning task does not finish successfully.

Full logs: https://oss-fuzz-build-logs.storage.googleapis.com/log-c66bc443-1cd4-4255-8d0a-cc0ec9a1fd87.txt

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