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avoid use of freed pointer 

Without this patch, pk2 would be freed twice.

>From 2a18a4b757e0896e738fefbbaa8ff8c23a9edf89 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Tue, 20 Sep 2011 16:20:39 +0200
Subject: [PATCH] avoid use of freed pointer

If we free pk2 at the top of the for-loop, set it to NULL
so that we don't free it again just before returning.
* revoke.c (gen_desig_revoke): Don't use pk2 after freeing it.
This commit is contained in:
Jim Meyering 2011-09-20 16:26:37 +02:00 committed by Werner Koch
parent 7c000f18de
commit b8b4d5c9e5
2 changed files with 11 additions and 1 deletions
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7
g10/ChangeLog
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@ -1,3 +1,10 @@
2011-09-20 Jim Meyering <meyering@redhat.com>
avoid use of freed pointer
If we free pk2 at the top of the for-loop, set it to NULL
so that we don't free it again just before returning.
* revoke.c (gen_desig_revoke): Don't use pk2 after freeing it.
2011-09-20 Werner Koch <wk@g10code.com>
* sign.c (sign_file, clearsign_file, sign_symencrypt_file):

5
g10/revoke.c
View File

@ -263,7 +263,10 @@ gen_desig_revoke( const char *uname, strlist_t locusr )
SK_LIST list;
if (pk2)
free_public_key (pk2);
{
free_public_key (pk2);
pk2 = NULL;
}
if(sk_list)
{