infra: Fix jvm coverage report #12694
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Signed-off-by: Arthur Chan <[email protected]>
Signed-off-by: Arthur Chan <[email protected]>
Signed-off-by: Arthur Chan <[email protected]>
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/gcbrun trial_build.py jvm --fuzzing-engines libfuzzer --sanitizers coverage |
DavidKorczynski
requested changes
Nov 13, 2024
| classes_dir=$DUMPS_DIR/classes | ||
| mkdir $classes_dir | ||
| for fuzz_target in $FUZZ_TARGETS; do | ||
| # Continue if not a fuzz target. | ||
| if [[ $FUZZING_ENGINE != "none" ]]; then |
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why delete if [[ $FUZZING_ENGINE != "none" ]]; then? We don't need this logic still?
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/gcbrun trial_build.py jvm --fuzzing-engines libfuzzer --sanitizers coverage |
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The current JVM coverage calculation includes all class files and JAR files in $OUT. If the project has copied necessary dependency JAR files to $OUT for fuzzing purposes, those classes will also be included in the JaCoCo coverage report, adding noise. This PR addresses that issue by only copying class files located in the $OUT/$SRC directory, which are lively compiled from the project source code, ensuring that only project classes are used by jacoco-cli to generate the coverage report. As all JVM languages compile to class files, this approach should work for all JVM languages supported by OSS-Fuzz in general.