diff options
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/src/main/java/com/code_intelligence/jazzer/driver/FuzzTargetRunner.java | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/driver/src/main/java/com/code_intelligence/jazzer/driver/FuzzTargetRunner.java b/driver/src/main/java/com/code_intelligence/jazzer/driver/FuzzTargetRunner.java index 0cda6d25..aedf8eb6 100644 --- a/driver/src/main/java/com/code_intelligence/jazzer/driver/FuzzTargetRunner.java +++ b/driver/src/main/java/com/code_intelligence/jazzer/driver/FuzzTargetRunner.java @@ -67,7 +67,6 @@ public final class FuzzTargetRunner { private static final MethodHandle fuzzTarget; public static final boolean useFuzzedDataProvider; private static final ReproducerTemplate reproducerTemplate; - private static long runCount = 0; static { String targetClassName = determineFuzzTargetClassName(); @@ -133,6 +132,9 @@ public final class FuzzTargetRunner { } if (Opt.hooks) { + // libFuzzer will clear the coverage map after this method returns and keeps no record of the + // coverage accumulated so far (e.g. by static initializers). We record it here to keep it + // around for JaCoCo coverage reports. CoverageRecorder.updateCoveredIdsWithCoverageMap(); } @@ -159,15 +161,6 @@ public final class FuzzTargetRunner { * this is always 0. The function may exit the process instead of returning. */ public static int runOne(byte[] data) { - if (Opt.hooks && runCount < 2) { - runCount++; - // For the first two runs only, replay the coverage recorded from static initializers. - // libFuzzer cleared the coverage map after they ran and could fail to see any coverage, - // triggering an early exit, if we don't replay it here. - // https://github.com/llvm/llvm-project/blob/957a5e987444d3193575d6ad8afe6c75da00d794/compiler-rt/lib/fuzzer/FuzzerLoop.cpp#L804-L809 - CoverageRecorder.replayCoveredIds(); - } - Throwable finding = null; try { if (useFuzzedDataProvider) { |