From: deraadt <deraadt@openbsd.org>
Date: Sat, 28 May 2022 03:20:14 +0000 (+0000)
Subject: Do not walk off the end of the array performing frees
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=c8ee1a74909100709a9e88e68d4ff0c44e7b1397;p=openbsd

Do not walk off the end of the array performing frees
crash found by daharmasterkor
---

diff --git a/lib/libpcap/gencode.c b/lib/libpcap/gencode.c
index 572e48d1f7a..23fca891fc9 100644
--- a/lib/libpcap/gencode.c
+++ b/lib/libpcap/gencode.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: gencode.c,v 1.61 2022/03/28 02:58:06 dlg Exp $	*/
+/*	$OpenBSD: gencode.c,v 1.62 2022/05/28 03:20:14 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
@@ -207,7 +207,7 @@ freechunks(void)
 	for (i = 0; i <= cur_membag; i++) {
 		if (membag[i].ptrs == NULL)
 			continue;
-		for (j = 0; j <= membag[i].slot; j++)
+		for (j = 0; j < membag[i].slot; j++)
 			free(membag[i].ptrs[j]);
 		free(membag[i].ptrs);
 		membag[i].ptrs = NULL;