From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 23 Dec 2010 15:35:59 +0000 (+0000)
Subject: fixing use-after-free
X-Git-Tag: initial-import-from-subversion-38251~19403
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=91b1f99f4895d30610cdea491f6410e7d692c6b5;p=oweals%2Fgnunet.git

fixing use-after-free
---

diff --git a/src/core/core_api.c b/src/core/core_api.c
index c3d7fd798..1ececcb64 100644
--- a/src/core/core_api.c
+++ b/src/core/core_api.c
@@ -544,6 +544,8 @@ request_next_transmission (struct PeerRecord *pr)
       trigger_next_request (h, GNUNET_NO);
       return;
     }
+  if (th->cm != NULL)
+    return; /* already done */
   GNUNET_assert (pr->prev == NULL);
   GNUNET_assert (pr->next == NULL);
   pr->timeout_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining (th->timeout),