fix: Add missing zero length termination

0xPolygon · Aug 11, 2022 · 31dab1e · 31dab1e
1 parent baed24d
commit 31dab1e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/contracts/lib/ExitPayloadReader.sol b/contracts/lib/ExitPayloadReader.sol
@@ -44,6 +44,8 @@ library ExitPayloadReader {
             src += WORD_SIZE;
             dest += WORD_SIZE;
         }
+
+        if (len == 0) return;
 
         // left over bytes. Mask is used to remove unwanted bytes from the word
         uint256 mask = 256**(WORD_SIZE - len) - 1;