Don't hold on to full byte array when deserializing protocol buffers.

PiperOrigin-RevId: 191483825

1 files changed, 4 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/MessageLiteCodec.java b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/MessageLiteCodec.java
index e7cce534c8..f5bba6da32 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/MessageLiteCodec.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/MessageLiteCodec.java
@@ -53,12 +53,16 @@ public class MessageLiteCodec implements ObjectCodec<MessageLite> {
   @Override
   public MessageLite deserialize(DeserializationContext unusedContext, CodedInputStream codedIn)
       throws IOException, SerializationException {
+    // Don't hold on to full byte array when constructing this proto.
+    codedIn.enableAliasing(false);
     try {
       MessageLite.Builder builder = builderSupplier.get();
       codedIn.readMessage(builder, ExtensionRegistryLite.getEmptyRegistry());
       return builder.build();
     } catch (InvalidProtocolBufferException e) {
       throw new SerializationException("Failed to parse proto of type " + type, e);
+    } finally {
+      codedIn.enableAliasing(true);
     }
   }
 }