[asterisk-commits] res pjsip t38: Make t38 reinvite response cb tolerant of NU... (asterisk[15])

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Wed Sep 6 07:19:00 CDT 2017


Jenkins2 has submitted this change and it was merged. ( https://gerrit.asterisk.org/6386 )

Change subject: res_pjsip_t38:  Make t38_reinvite_response_cb tolerant of NULL channel
......................................................................

res_pjsip_t38:  Make t38_reinvite_response_cb tolerant of NULL channel

t38_reinvite_response_cb can get called by res_pjsip_session's
session_inv_on_tsx_state_changed in situations where session->channel
is NULL.  If it is, the ast_log warning segfaults because it tries
to get the channel name from a NULL channel.

* Check session->channel and print "unknown channel" when it's NULL.

ASTERISK-27236
Reported by: Ross Beer

Change-Id: I4326e288d36327f6c79ab52226d54905cdc87dc7
---
M res/res_pjsip_t38.c
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  Richard Mudgett: Looks good to me, but someone else must approve
  Joshua Colp: Looks good to me, approved
  Jenkins2: Approved for Submit



diff --git a/res/res_pjsip_t38.c b/res/res_pjsip_t38.c
index 27eff42..ce914a1 100644
--- a/res/res_pjsip_t38.c
+++ b/res/res_pjsip_t38.c
@@ -302,9 +302,9 @@
 	}
 
 	state = t38_state_get_or_alloc(session);
-	if (!state) {
+	if (!session->channel || !state) {
 		ast_log(LOG_WARNING, "Received response to T.38 re-invite on '%s' but state unavailable\n",
-			ast_channel_name(session->channel));
+			session->channel ? ast_channel_name(session->channel) : "unknown channel");
 		return 0;
 	}
 

-- 
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Gerrit-Project: asterisk
Gerrit-Branch: 15
Gerrit-MessageType: merged
Gerrit-Change-Id: I4326e288d36327f6c79ab52226d54905cdc87dc7
Gerrit-Change-Number: 6386
Gerrit-PatchSet: 2
Gerrit-Owner: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Jenkins2
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>
Gerrit-Reviewer: Richard Mudgett <rmudgett at digium.com>
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