Merge pull request #3783 from ActiveState/mitchell/cp-1265-2

Merge version/0-48-1-RC1 into master

Author: mitchell-as

changelog.md

@@ -10,7 +10,11 @@ and this project adheres to
 
 ### Security
 
-Addressed all known, fixable CVEs.
+- Addressed all known, fixable CVEs.
+
+### Fixed
+
+- Fixed occasional panic due to a concurrent map read/write during runtime setup.
 
 ## 0.48.0
 

pkg/runtime/depot.go

@@ -160,6 +160,9 @@ func (d *depot) SetCacheSize(mb int) {
 // Artifact metadata comes from the depot's cache, and may not exist for installed artifacts that
 // predate the cache.
 func (d *depot) Exists(id strfmt.UUID) (bool, *artifactInfo) {
+	d.mapMutex.Lock()
+	defer d.mapMutex.Unlock()
+
 	if _, ok := d.artifacts[id]; ok {
 		if artifact, exists := d.config.Cache[id]; exists {
 			return true, artifact