From a0c22864aaf49639d92dbf8f5ad7b104b51abe3b Mon Sep 17 00:00:00 2001
From: naddy <naddy@openbsd.org>
Date: Thu, 25 Feb 2021 20:51:55 +0000
Subject: [PATCH] ftp: prevent double free() in error path

Reported by bentley@; ok bentley@ jca@
---
 usr.bin/ftp/fetch.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/usr.bin/ftp/fetch.c b/usr.bin/ftp/fetch.c
index c5b1d18cb5b..4b8b6d5c85d 100644
--- a/usr.bin/ftp/fetch.c
+++ b/usr.bin/ftp/fetch.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fetch.c,v 1.201 2021/02/16 16:27:34 naddy Exp $	*/
+/*	$OpenBSD: fetch.c,v 1.202 2021/02/25 20:51:55 naddy Exp $	*/
 /*	$NetBSD: fetch.c,v 1.14 1997/08/18 10:20:20 lukem Exp $	*/
 
 /*-
@@ -1002,6 +1002,7 @@ noslash:
 		}
 	}
 	free(buf);
+	buf = NULL;
 
 	/* Content-Length should be ignored for Transfer-Encoding: chunked */
 	if (chunked)
-- 
2.20.1