From 0e9c2fc3dc08969afd53dded94b5a785b96185c7 Mon Sep 17 00:00:00 2001
From: lwvmobile <59371473+lwvmobile@users.noreply.github.com>
Date: Mon, 29 Aug 2022 19:49:34 -0400
Subject: [PATCH] Additional Sanity Check

Additional Sanity Check
--perform sanity check on DMRvcL and DMRvcR to prevent out of bounds array issue that could lead to a crash in some environments with bad signal
---
 src/dsd_mbe.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/dsd_mbe.c b/src/dsd_mbe.c
index 8771397..8842444 100644
--- a/src/dsd_mbe.c
+++ b/src/dsd_mbe.c
@@ -303,6 +303,12 @@ processMbeFrame (dsd_opts * opts, dsd_state * state, char imbe_fr[8][23], char a
 						}
 					}
 
+          //sanity check
+          if (state->DMRvcL > 18)
+					{
+						state->DMRvcL = 18;
+					}
+
 					pos = state->DMRvcL * 49;
 		     	for(i = 0; i < 49; i++)
 				  {
@@ -390,6 +396,12 @@ processMbeFrame (dsd_opts * opts, dsd_state * state, char imbe_fr[8][23], char a
 						}
 					}
 
+          //sanity check
+          if (state->DMRvcR > 18)
+					{
+						state->DMRvcR = 18;
+					}
+
 					pos = state->DMRvcR * 49;
 		     	for(i = 0; i < 49; i++)
 				  {