Add missing readable check

2018-09-09 15:05:27 -04:00
parent 46aa8efb35
commit 56a50c60b5
1 changed files with 5 additions and 0 deletions
--- a/proxy/src/main/java/com/velocitypowered/proxy/protocol/netty/MinecraftVarintFrameDecoder.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/protocol/netty/MinecraftVarintFrameDecoder.java
@@ -20,6 +20,11 @@ public class MinecraftVarintFrameDecoder extends ByteToMessageDecoder {

        byte[] lenBuf = new byte[3];
        for (int i = 0; i < lenBuf.length; i++) {
+            if (!in.isReadable()) {
+                in.resetReaderIndex();
+                return;
+            }
+
            lenBuf[i] = in.readByte();
            if (lenBuf[i] > 0) {
                int packetLength = ProtocolUtils.readVarInt(Unpooled.wrappedBuffer(lenBuf));