diff options
Diffstat (limited to 'src/testing/fuzz.go')
| -rw-r--r-- | src/testing/fuzz.go | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/src/testing/fuzz.go b/src/testing/fuzz.go index 4892d3f3e9..e567f7d9f4 100644 --- a/src/testing/fuzz.go +++ b/src/testing/fuzz.go @@ -305,21 +305,33 @@ func (f *F) Fuzz(ff interface{}) { types = append(types, t) } - // Check the corpus provided by f.Add - for _, c := range f.corpus { - if err := f.fuzzContext.checkCorpus(c.Values, types); err != nil { - // TODO: Is there a way to save which line number is associated - // with the f.Add call that failed? + // Only load the corpus if we need it + if f.fuzzContext.runFuzzWorker == nil { + // Check the corpus provided by f.Add + for _, c := range f.corpus { + if err := f.fuzzContext.checkCorpus(c.Values, types); err != nil { + // TODO: Is there a way to save which line number is associated + // with the f.Add call that failed? + f.Fatal(err) + } + } + + // Load seed corpus + c, err := f.fuzzContext.readCorpus(filepath.Join(corpusDir, f.name), types) + if err != nil { f.Fatal(err) } - } - // Load seed corpus - c, err := f.fuzzContext.readCorpus(filepath.Join(corpusDir, f.name), types) - if err != nil { - f.Fatal(err) + // If this is the coordinator process, zero the values, since we don't need to hold + // onto them. + if f.fuzzContext.coordinateFuzzing != nil { + for i := range c { + c[i].Values = nil + } + } + + f.corpus = append(f.corpus, c...) } - f.corpus = append(f.corpus, c...) // run calls fn on a given input, as a subtest with its own T. // run is analogous to T.Run. The test filtering and cleanup works similarly. |