From 0931029a168d81709b9e5f9eec10cc255bbc489c Mon Sep 17 00:00:00 2001
From: otto <otto@openbsd.org>
Date: Sun, 13 Feb 2022 20:02:30 +0000
Subject: [PATCH] Handle the case in freechunks where not a single allocation
 has happened. ok deraadt@

---
 lib/libpcap/gencode.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/libpcap/gencode.c b/lib/libpcap/gencode.c
index 1a642167e38..d15f17403d5 100644
--- a/lib/libpcap/gencode.c
+++ b/lib/libpcap/gencode.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: gencode.c,v 1.59 2021/12/05 16:40:24 deraadt Exp $	*/
+/*	$OpenBSD: gencode.c,v 1.60 2022/02/13 20:02:30 otto Exp $	*/
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
@@ -205,6 +205,8 @@ freechunks(void)
 	int i, j;
 
 	for (i = 0; i <= cur_membag; i++) {
+		if (membag[i].ptrs == NULL)
+			continue;
 		for (j = 0; j <= membag[i].slot; j++)
 			free(membag[i].ptrs[j]);
 		free(membag[i].ptrs);
-- 
2.20.1