From 50f32eb0664d921242563f6602ce5a8f46557085 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Wed, 7 Apr 2021 17:58:10 +0200
Subject: [PATCH] agent: Correctly free memory on error path.

* agent/protect.c (merge_lists): Free memory on error.

--

GnuPG-bug-id: 5393
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
---
 agent/protect.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/agent/protect.c b/agent/protect.c
index 4ceb3006e..30ee1345d 100644
--- a/agent/protect.c
+++ b/agent/protect.c
@@ -970,7 +970,10 @@ merge_lists (const unsigned char *protectedkey,
   /* Copy the cleartext.  */
   s = cleartext;
   if (*s != '(' && s[1] != '(')
-    return gpg_error (GPG_ERR_BUG);  /*we already checked this */
+    {
+      xfree (newlist);
+      return gpg_error (GPG_ERR_BUG);  /*we already checked this */
+    }
   s += 2;
   startpos = s;
   while ( *s == '(' )