[UDP Proxy] Fix a bug in UDP session filter (envoyproxy#31316)

Signed-off-by: Issa Abu Kalbein <iabukalbein@microsoft.com>
alyssawilk · Jan 4, 2024 · b61026f · b61026f
1 parent 2d99fcb
commit b61026f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/source/extensions/filters/udp/udp_proxy/session_filters/filter.h b/source/extensions/filters/udp/udp_proxy/session_filters/filter.h
@@ -88,7 +88,7 @@ class FilterBase {
 /**
  * Session read filter interface.
  */
-class ReadFilter : public FilterBase {
+class ReadFilter : public virtual FilterBase {
 public:
   virtual ~ReadFilter() = default;
 
@@ -134,7 +134,7 @@ enum class WriteFilterStatus {
 /**
  * Session write filter interface.
  */
-class WriteFilter : public FilterBase {
+class WriteFilter : public virtual FilterBase {
 public:
   virtual ~WriteFilter() = default;