From f9d1b2501186800f83c254663f64e7d08daa5c15 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 9 Feb 2022 12:29:31 +0100
Subject: [PATCH] mqtt: free 'sendleftovers' in disconnect

Fix a memory-leak

Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43646
Closes #8415
---
 lib/mqtt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/mqtt.c b/lib/mqtt.c
index e0fa0aa8fb..e79bd3b482 100644
--- a/lib/mqtt.c
+++ b/lib/mqtt.c
@@ -346,7 +346,9 @@ end:
 static CURLcode mqtt_disconnect(struct Curl_easy *data)
 {
   CURLcode result = CURLE_OK;
+  struct MQTT *mq = data->req.p.mqtt;
   result = mqtt_send(data, (char *)"\xe0\x00", 2);
+  Curl_safefree(mq->sendleftovers);
   return result;
 }
 
-- 
2.47.3