From: jsg <jsg@openbsd.org>
Date: Thu, 30 May 2024 10:25:58 +0000 (+0000)
Subject: avoid potential use-after-free
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=6540267578fc4f09290439f592ae104eca637e2b;p=openbsd

avoid potential use-after-free
found by smatch, ok tb@
---

diff --git a/usr.bin/cvs/rcs.c b/usr.bin/cvs/rcs.c
index 7744b9f32d4..56639ff1946 100644
--- a/usr.bin/cvs/rcs.c
+++ b/usr.bin/cvs/rcs.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rcs.c,v 1.321 2022/12/26 19:16:00 jmc Exp $	*/
+/*	$OpenBSD: rcs.c,v 1.322 2024/05/30 10:25:58 jsg Exp $	*/
 /*
  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
  * All rights reserved.
@@ -2581,6 +2581,7 @@ rcs_translate_tag(const char *revstr, RCSFILE *rfp)
 			follow = 0;
 
 		free(brev);
+		brev = NULL;
 	}
 
 	if (cvs_specified_date != -1)