[openssl.org #3286] [PATCH] fixed the DTLS crash bug

[zhu qun-ying via RT]

In dtsl1_cler_queues() , the data field of the item in 
s->d1->buffered_app_data.q is incorrectly treated as hm_fragment *, it should 
be DTLS1_RECORD_DATA *

--
qun-ying

diff --git a/ssl/d1_lib.c b/ssl/d1_lib.c
index 2287ba6..7d9d91f 100644
--- a/ssl/d1_lib.c
+++ b/ssl/d1_lib.c
@@ -202,9 +202,12 @@ static void dtls1_clear_queues(SSL *s)
 
 	while ( (item = pqueue_pop(s->d1->buffered_app_data.q)) != NULL)
 		{
-		frag = (hm_fragment *)item->data;
-		OPENSSL_free(frag->fragment);
-		OPENSSL_free(frag);
+		rdata = (DTLS1_RECORD_DATA *) item->data;
+		if (rdata->rbuf.buf)
+			{
+			OPENSSL_free(rdata->rbuf.buf);
+			}
+		OPENSSL_free(item->data);
 		pitem_free(item);
 		}
 	}