<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">diff --git a/bspatch.c b/bspatch.c
index 8d95633..ab77722 100644
--- a/bspatch.c
+++ b/bspatch.c

@@ -187,6 +187,10 @@
 		};
 
 		/* Sanity-check */
+		if ((ctrl[0] &lt; 0) || (ctrl[1] &lt; 0))
+			errx(1,"Corrupt patch\n");
+
+		/* Sanity-check */
 		if(newpos+ctrl[0]&gt;newsize)
 			errx(1,"Corrupt patch\n");
</pre></body></html>