From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 11 Jun 2010 11:04:45 +0000 (+0000)
Subject: use after free
X-Git-Tag: initial-import-from-subversion-38251~21421
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=069ba0d81d3e74204b20bf6505d93d4e5200eef2;p=oweals%2Fgnunet.git

use after free
---

diff --git a/src/fs/fs.c b/src/fs/fs.c
index 4107e137a..e4e81635a 100644
--- a/src/fs/fs.c
+++ b/src/fs/fs.c
@@ -1271,12 +1271,14 @@ GNUNET_FS_file_information_sync_ (struct GNUNET_FS_FileInformation * fi)
   if (GNUNET_OK !=
       GNUNET_BIO_write_close (wh))
     {
+      wh = NULL;
       GNUNET_break (0);
       goto cleanup;
     }
   return; /* done! */
  cleanup:
-  (void) GNUNET_BIO_write_close (wh);
+  if (wh != NULL)
+    (void) GNUNET_BIO_write_close (wh);
   GNUNET_free_non_null (chks);
   GNUNET_free_non_null (ksks);
   fn = get_serialization_file_name (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO, fi->serialization);