From: Matt Caswell <matt@openssl.org>
Date: Tue, 25 Nov 2014 13:36:00 +0000 (+0000)
Subject: Fixed memory leak due to incorrect freeing of DTLS reassembly bit mask
X-Git-Tag: OpenSSL_1_0_1k~87
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2e84084fbcbbf032a0021a73ef56711966b28159;p=oweals%2Fopenssl.git

Fixed memory leak due to incorrect freeing of DTLS reassembly bit mask

PR#3608

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 8a35dbb6d89a16d792b79b157b3e89443639ec94)
---

diff --git a/ssl/d1_both.c b/ssl/d1_both.c
index 2e4250fcfe..b58fdc2f1d 100644
--- a/ssl/d1_both.c
+++ b/ssl/d1_both.c
@@ -211,8 +211,7 @@ dtls1_hm_fragment_new(unsigned long frag_len, int reassembly)
 	return frag;
 	}
 
-static void
-dtls1_hm_fragment_free(hm_fragment *frag)
+void dtls1_hm_fragment_free(hm_fragment *frag)
 	{
 
 	if (frag->msg_header.is_ccs)
diff --git a/ssl/d1_lib.c b/ssl/d1_lib.c
index 82ca653920..f7d681bfdb 100644
--- a/ssl/d1_lib.c
+++ b/ssl/d1_lib.c
@@ -161,16 +161,14 @@ static void dtls1_clear_queues(SSL *s)
     while( (item = pqueue_pop(s->d1->buffered_messages)) != NULL)
         {
         frag = (hm_fragment *)item->data;
-        OPENSSL_free(frag->fragment);
-        OPENSSL_free(frag);
+        dtls1_hm_fragment_free(frag);
         pitem_free(item);
         }
 
     while ( (item = pqueue_pop(s->d1->sent_messages)) != NULL)
         {
         frag = (hm_fragment *)item->data;
-        OPENSSL_free(frag->fragment);
-        OPENSSL_free(frag);
+        dtls1_hm_fragment_free(frag);
         pitem_free(item);
         }
 
diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index 90c82f5b20..cfb9a2a3f2 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -998,6 +998,7 @@ int dtls1_is_timer_expired(SSL *s);
 void dtls1_double_timeout(SSL *s);
 int dtls1_send_newsession_ticket(SSL *s);
 unsigned int dtls1_min_mtu(void);
+void dtls1_hm_fragment_free(hm_fragment *frag);
 
 /* some client-only functions */
 int ssl3_client_hello(SSL *s);