fix segfault triggered in fuzzy testing (thanks Dennis Felsing for re…

…porting)
dbry · Dec 1, 2014 · 5d4e146 · 5d4e146
1 parent 5013b9f
commit 5d4e146
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/open_utils.c b/src/open_utils.c
@@ -681,6 +681,8 @@ static int read_metadata_buff (WavpackMetadata *wpmd, unsigned char *blockbuff,
     }
 
     if (wpmd->id & ID_ODD_SIZE) {
+        if (!wpmd->byte_length)         // odd size and zero length makes no sense
+            return FALSE;
         wpmd->id &= ~ID_ODD_SIZE;
         wpmd->byte_length--;
     }