From 046076aeb6f0c79bb59ef9aead4ebbc23e286c63 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Tue, 3 Jan 2023 09:36:23 -0800
Subject: Handle ZX303 variation

---
 src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java     | 2 +-
 src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 15588c89b..ef09677bf 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -803,7 +803,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                 getLastLocation(position, null);
             }
 
-            if (hasLbs(type)) {
+            if (hasLbs(type) && buf.readableBytes() > 6) {
                 decodeLbs(position, buf, type, hasStatus(type) && type != MSG_LBS_ALARM);
             }
 
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index 9d0716c7d..23c29b0d3 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -17,6 +17,9 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
         verifyNull(decoder, binary(
                 "78780D01086471700328358100093F040D0A"));
 
+        verifyPosition(decoder, binary(
+                "78781511170103100e1f9904efe30400a97f88003410ffdd000d0a"));
+
         verifyAttribute(decoder, binary(
                 "787819a5012ed0000075df000000000098661502050413000019a12b0d0a"),
                 Position.KEY_ALARM, Position.ALARM_TAMPERING);
-- 
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