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| author | Jay Conrod <jayconrod@google.com> | 2021-08-16 15:09:05 -0700 |
|---|---|---|
| committer | Jay Conrod <jayconrod@google.com> | 2021-08-20 20:13:57 +0000 |
| commit | f89b4c8d82c028d635eb8e685dd92dceb0027438 (patch) | |
| tree | 1f1f12caaa7569e2fe1d59eede07a923a4ae6880 /src/cmd/go/internal/test | |
| parent | 4e07341afd65e4000466b6b324781e8c3565a0d9 (diff) | |
| download | go-git-f89b4c8d82c028d635eb8e685dd92dceb0027438.tar.gz | |
[dev.fuzz] cmd/go: exclude additional packages from fuzzing instrumentation
Counters in these packages are incremented by background goroutines
for testing and internal/fuzz. They cause some inputs to seem
"interesting" when they don't directly provide new coverage.
Updates golang/go#46410
Change-Id: Ibe6bb3177f3b2ba23382a1693a4c6a576f94a423
Reviewed-on: https://go-review.googlesource.com/c/go/+/342993
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Diffstat (limited to 'src/cmd/go/internal/test')
| -rw-r--r-- | src/cmd/go/internal/test/test.go | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/cmd/go/internal/test/test.go b/src/cmd/go/internal/test/test.go index 012a75123b..75345a8223 100644 --- a/src/cmd/go/internal/test/test.go +++ b/src/cmd/go/internal/test/test.go @@ -831,11 +831,18 @@ func runTest(ctx context.Context, cmd *base.Command, args []string) { fuzzFlags := work.FuzzInstrumentFlags() if testFuzz != "" && fuzzFlags != nil { // Don't instrument packages which may affect coverage guidance but are - // unlikely to be useful. + // unlikely to be useful. Most of these are used by the testing or + // internal/fuzz concurrently with fuzzing. var fuzzNoInstrument = map[string]bool{ - "testing": true, + "context": true, "internal/fuzz": true, + "reflect": true, "runtime": true, + "sync": true, + "sync/atomic": true, + "syscall": true, + "testing": true, + "time": true, } for _, p := range load.TestPackageList(ctx, pkgOpts, pkgs) { if fuzzNoInstrument[p.ImportPath] { |