From 79dd00cdb3f02868e847c6c20932360c403a73d0 Mon Sep 17 00:00:00 2001
From: Pintu Lohar <plohar@sk.com>
Date: Tue, 10 Sep 2019 09:14:00 +0200
Subject: [PATCH] nathelper: Fixed memory leak in nathelper fetch contact timer
 (GH #2062)

- Allocated buffer is not freed when contact fetch is failed
- Leak frequently occur when database disconnect and reconnect

(cherry picked from commit 79fecc643d0a17b4de25f54ae269d1bee1f0cb00)
---
 src/modules/nathelper/nathelper.c | 2 ++
 1 file changed, 2 insertions(+)
 mode change 100644 => 100755 src/modules/nathelper/nathelper.c

diff --git a/src/modules/nathelper/nathelper.c b/src/modules/nathelper/nathelper.c
old mode 100644
new mode 100755
index 27015b7bd83..f78878a0b01
--- a/src/modules/nathelper/nathelper.c
+++ b/src/modules/nathelper/nathelper.c
@@ -1951,6 +1951,8 @@ static void nh_timer(unsigned int ticks, void *timer_idx)
 					+ iteration,
 			natping_processes * natping_interval, options);
 	if(rval < 0) {
+		if(buf != NULL)
+			pkg_free(buf);
 		LM_ERR("failed to fetch contacts\n");
 		goto done;
 	}