pkg/manager: don't check coverage filters too early

Right at the Loop() start, these are not filled out yet.

1 files changed, 9 insertions, 7 deletions

diff --git a/pkg/manager/diff.go b/pkg/manager/diff.go
index aa640515d..3f4a0fd34 100644
--- a/pkg/manager/diff.go
+++ b/pkg/manager/diff.go
@@ -271,6 +271,15 @@ func (dc *diffContext) monitorPatchedCoverage(ctx context.Context) error {
 		// The feature is disabled.
 		return nil
 	}
+
+	// First wait until we have almost triaged all of the corpus.
+	select {
+	case <-ctx.Done():
+		return nil
+	case <-dc.waitCorpusTriage(ctx, corpusTriageToMonitor):
+	}
+
+	// By this moment, we must have coverage filters already filled out.
 	focusPCs := 0
 	// The last one is "everything else", so it's not of interest.
 	coverFilters := dc.new.coverFilters
@@ -283,13 +292,6 @@ func (dc *diffContext) monitorPatchedCoverage(ctx context.Context) error {
 		return nil
 	}
 
-	// First wait until we have almost triaged all of the corpus.
-	select {
-	case <-ctx.Done():
-		return nil
-	case <-dc.waitCorpusTriage(ctx, corpusTriageToMonitor):
-	}
-
 	// Then give the fuzzer some change to get through.
 	select {
 	case <-time.After(dc.cfg.FuzzToReachPatched):