fixing use-after-free

1 files changed, 3 insertions, 1 deletions

diff --git a/src/fs/fs_publish.c b/src/fs/fs_publish.c
index bef03a45e..46b342cab 100644
--- a/src/fs/fs_publish.c
+++ b/src/fs/fs_publish.c
@@ -1529,7 +1529,6 @@ GNUNET_FS_publish_sks (struct GNUNET_FS_Handle *h,
                              &sk,
                              &iv,
                              &sb_enc[1]);
-  GNUNET_free (sb);
   sb_enc->purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_FS_SBLOCK);
   sb_enc->purpose.size = htonl(slen + mdsize + nidlen
                                + sizeof(struct SBlock)
@@ -1545,6 +1544,7 @@ GNUNET_FS_publish_sks (struct GNUNET_FS_Handle *h,
   if (0 != (options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
     {
       GNUNET_free (sb_enc);
+      GNUNET_free (sb);
       sb_put_cont (psc,
                    GNUNET_OK,
                    NULL);
@@ -1554,6 +1554,7 @@ GNUNET_FS_publish_sks (struct GNUNET_FS_Handle *h,
   if (NULL == psc->dsh)
     {
       GNUNET_free (sb_enc);
+      GNUNET_free (sb);
       sb_put_cont (psc,
                    GNUNET_NO,
                    _("Failed to connect to datastore."));
@@ -1572,6 +1573,7 @@ GNUNET_FS_publish_sks (struct GNUNET_FS_Handle *h,
                         GNUNET_CONSTANTS_SERVICE_TIMEOUT,
                         &sb_put_cont,
                         psc);
+  GNUNET_free (sb);
   GNUNET_free (sb_enc);
 }