Misc (re #1751): fix crash when receiving unhold message caused by ac…

…cess to invalid data as a result of pool reset (Thanks to Itay Bianco for the report). git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4872 74dad513-b988-da41-8d7b-12977e46ad98
aeby · Jul 9, 2014 · d16c85f · d16c85f
1 parent 8621dad
commit d16c85f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pjmedia/src/pjmedia/sdp_neg.c b/pjmedia/src/pjmedia/sdp_neg.c
@@ -502,6 +502,10 @@ PJ_DEF(pj_status_t) pjmedia_sdp_neg_set_local_answer( pj_pool_t *pool,
     if (local) {
 	neg->neg_local_sdp = pjmedia_sdp_session_clone(pool, local);
 	if (neg->initial_sdp) {
+	    /* Retain initial_sdp value. */
+	    neg->initial_sdp = pjmedia_sdp_session_clone(pool,
+							 neg->initial_sdp);
+
 	    /* I don't think there is anything in RFC 3264 that mandates
 	     * answerer to place the same origin (and increment version)
 	     * in the answer, but probably it won't hurt either.