diff -uprk.orig file-4.10.orig/src/softmagic.c file-4.10/src/softmagic.c
--- file-4.10.orig/src/softmagic.c	2004-07-25 00:38:56 +0400
+++ file-4.10/src/softmagic.c	2004-10-17 01:32:08 +0400
@@ -133,7 +133,7 @@ match(struct magic_set *ms, struct magic
 			 * main entry didn't match,
 			 * flush its continuations
 			 */
-			while (magindex < nmagic - 1 &&
+			while (magindex + 1 < nmagic &&
 			       magic[magindex + 1].cont_level != 0)
 			       magindex++;
 			continue;