[sr-dev] git:4.3:7ac3eea0: modules/tm: precent possible seg fault if branch reply is null

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 4.3
Commit: 7ac3eea0c49872a75d384e94ee0b4380caf440e0
URL: https://github.com/kamailio/kamailio/commit/7ac3eea0c49872a75d384e94ee0b4380caf440e0

Author: jaybeepee <jason.penton at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2015-09-17T13:22:26+02:00

modules/tm: precent possible seg fault if branch reply is null

(cherry picked from commit aec9850491a8e8fa919396ae0e0f1d99d30c607c)

---

Modified: modules/tm/t_suspend.c

---

Diff:  https://github.com/kamailio/kamailio/commit/7ac3eea0c49872a75d384e94ee0b4380caf440e0.diff
Patch: https://github.com/kamailio/kamailio/commit/7ac3eea0c49872a75d384e94ee0b4380caf440e0.patch

---

diff --git a/modules/tm/t_suspend.c b/modules/tm/t_suspend.c
index 86fb3be..de18a2a 100644
--- a/modules/tm/t_suspend.c
+++ b/modules/tm/t_suspend.c
@@ -298,7 +298,13 @@ int t_continue(unsigned int hash_index, unsigned int label,
 		LM_DBG("continuing from a suspended reply"
 				" - resetting the suspend branch flag\n");
 
+		if (t->uac[branch].reply) {
 		t->uac[branch].reply->msg_flags &= ~FL_RPL_SUSPENDED;
+                } else {
+			LM_WARN("no reply in t_continue for branch. not much we can do\n");
+			return 0;
+		}
+                
 		if (t->uas.request) t->uas.request->msg_flags&= ~FL_RPL_SUSPENDED;
 
 		faked_env( t, t->uac[branch].reply, 1);