[GNUnet-SVN] [taler-exchange] branch master updated: fix use after free

[gnunet]

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new 258263a5 fix use after free
258263a5 is described below

commit 258263a5100a91bedaca67c45d3e87fa764b5284
Author: Christian Grothoff <address@hidden>
AuthorDate: Wed Jun 26 21:13:55 2019 +0200

    fix use after free
---
 src/exchange-tools/taler-exchange-wire.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/exchange-tools/taler-exchange-wire.c 
b/src/exchange-tools/taler-exchange-wire.c
index 9af4c491..1ea3c5c0 100644
--- a/src/exchange-tools/taler-exchange-wire.c
+++ b/src/exchange-tools/taler-exchange-wire.c
@@ -189,16 +189,17 @@ run (void *cls,
     global_ret = 1;
     return;
   }
-  GNUNET_free (masters);
   if (0 != GNUNET_memcmp (&mpub,
                           &mpub_cfg))
   {
     fprintf (stderr,
              "Master public key `%s' in configuration does not match our 
master private key!\n",
              masters);
+    GNUNET_free (masters);
     global_ret = 1;
     return;
   }
+  GNUNET_free (masters);
   TALER_EXCHANGEDB_find_accounts (cfg,
                                   &sign_account_data,
                                   NULL);

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