From e620b432b20e6337b6a638b7a52234b793974ecf Mon Sep 17 00:00:00 2001
From: Jehan Monnier <jehan.monnier@linphone.org>
Date: Wed, 14 Mar 2018 10:29:44 +0100
Subject: [PATCH] avoid invalid read if CallSessionPrivate is deleted within
 call to L_GET_PRIVATE(session)->failure();

---
 coreapi/callbacks.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index 2faa1cef6..6302d92f6 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -256,7 +256,7 @@ static void call_terminated(SalOp *op, const char *from) {
 }
 
 static void call_failure(SalOp *op) {
-	LinphonePrivate::CallSession *session = reinterpret_cast<LinphonePrivate::CallSession *>(op->get_user_pointer());
+	std::shared_ptr<LinphonePrivate::CallSession> session = reinterpret_cast<LinphonePrivate::CallSession *>(op->get_user_pointer())->getSharedFromThis();
 	if (!session) {
 		ms_warning("Failure reported on already terminated CallSession");
 		return;