fix(core): fix map iterate concurrency panic in vm-route-forge (#1602)

nevermarine · yaroslavborbat · web-flow · commit 418b07274173 · 2025-10-24T18:01:23.000+03:00
Signed-off-by: Maksim Fedotov &lt;maksim.fedotov@flant.com&gt;
Signed-off-by: Yaroslav Borbat &lt;yaroslav.borbat@flant.com&gt;
Co-authored-by: Yaroslav Borbat &lt;yaroslav.borbat@flant.com&gt;
diff --git a/images/vm-route-forge/internal/cache/cache.go b/images/vm-route-forge/internal/cache/cache.go
@@ -87,6 +87,8 @@ func (c *defaultCache) DeleteByIP(ip net.IP) {
 }
 
 func (c *defaultCache) Iterate(fn func(k types.NamespacedName, v Addresses) (next bool)) {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
 	for k, v := range c.vmAddr {
 		if next := fn(k, v); !next {
 			break

Original file line number	Diff line number	Diff line change
`@@ -87,6 +87,8 @@ func (c *defaultCache) DeleteByIP(ip net.IP) {`
`87`	`87`	`}`
`88`	`88`
`89`	`89`	`func (c *defaultCache) Iterate(fn func(k types.NamespacedName, v Addresses) (next bool)) {`
	`90`	`+ c.mu.RLock()`
	`91`	`+ defer c.mu.RUnlock()`
`90`	`92`	`for k, v := range c.vmAddr {`
`91`	`93`	`if next := fn(k, v); !next {`
`92`	`94`	`break`