From 170da1140797748ae85565b5a93a2e35e7b07b6a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A9sz=C3=A1ros=20Mih=C3=A1ly?= <misi@majd.eu>
Date: Mon, 22 Jun 2020 00:08:12 +0200
Subject: [PATCH] init with zero any new or reused stun buffers

---
 src/apps/relay/ns_ioalib_engine_impl.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/apps/relay/ns_ioalib_engine_impl.c b/src/apps/relay/ns_ioalib_engine_impl.c
index 1045c0c..6c8e797 100644
--- a/src/apps/relay/ns_ioalib_engine_impl.c
+++ b/src/apps/relay/ns_ioalib_engine_impl.c
@@ -293,10 +293,19 @@ static stun_buffer_list_elem *new_blist_elem(ioa_engine_handle e)
 
 	if(!ret) {
 	  ret = (stun_buffer_list_elem *)malloc(sizeof(stun_buffer_list_elem));
+	  /* init bzero below will solve all of these in one step
 	  ret->buf.len = 0;
 	  ret->buf.offset = 0;
 	  ret->buf.coffset = 0;
+	  */
 	  ret->next = NULL;
+	  if (!ret) {
+		TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR, "%s: Cannot allocate memory for STUN buffer!\n", __FUNCTION__);
+	  }
+	}
+
+	if(ret) {
+	  bzero(&ret->buf, sizeof(stun_buffer));
 	}
 
 	return ret;