From a68fda52c366653ed73c240a6b9c3f4e750ccdfd Mon Sep 17 00:00:00 2001
From: Grigory Bazilevich <g.bazilevich@ispras.ru>
Date: Wed, 11 Mar 2026 09:42:40 +0300
Subject: pkg/fuzzer,pkg/corpus: detection and preservation of programs with
 probability coverage

---
 pkg/fuzzer/cover.go | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'pkg/fuzzer/cover.go')

diff --git a/pkg/fuzzer/cover.go b/pkg/fuzzer/cover.go
index e2dca3d88..191ff1491 100644
--- a/pkg/fuzzer/cover.go
+++ b/pkg/fuzzer/cover.go
@@ -36,6 +36,14 @@ func (cover *Cover) addRawMaxSignal(signal []uint64, prio uint8) signal.Signal {
 	return diff
 }
 
+func (cover *Cover) addMaxSignal(signal signal.Signal) signal.Signal {
+	cover.mu.Lock()
+	defer cover.mu.Unlock()
+	diff := cover.maxSignal.MergeDiff(signal)
+	cover.newSignal.Merge(diff)
+	return diff
+}
+
 func (cover *Cover) CopyMaxSignal() signal.Signal {
 	cover.mu.RLock()
 	defer cover.mu.RUnlock()
-- 
cgit mrf-deployment