From 9ad1506ed7426b2561b9456e71771a6a09eddff8 Mon Sep 17 00:00:00 2001
From: Martin Sundhaug <martinsundhaug@gmail.com>
Date: Wed, 7 Sep 2016 18:29:57 -0400
Subject: [PATCH] GDB: Range check register in remoteReadRegister and
 remoteWriteRegister

---
 src/gba/remote.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/gba/remote.cpp b/src/gba/remote.cpp
index 264edc92..51a18745 100644
--- a/src/gba/remote.cpp
+++ b/src/gba/remote.cpp
@@ -3945,6 +3945,11 @@ void remoteReadRegister(char* p)
 {
     int r;
     sscanf(p, "%x", &r);
+    if(r < 0 || r > 15)
+    {
+        remotePutPacket("E 00");
+        return;
+    }
     char buffer[1024];
     char* s = buffer;
     uint32_t v = reg[r].I;
@@ -3997,6 +4002,12 @@ void remoteWriteRegister(char* p)
 
     sscanf(p, "%x=", &r);
 
+    if(r < 0 || r > 15)
+    {
+        remotePutPacket("E 00");
+        return;
+    }
+
     p = strchr(p, '=');
     p++;