Fix padding extends out of bound

2023-03-01 08:43:00 -05:00 · 2023-03-01 08:43:00 -05:00 · 7b54255cc1
parent 43bc929030
commit 7b54255cc1
1 changed files with 3 additions and 0 deletions
--- a/proxy/vless/encoding/encoding.go
+++ b/proxy/vless/encoding/encoding.go
@ -556,6 +556,9 @@ func XtlsPadding(b *buf.Buffer, command byte, userUUID *[]byte, longPadding bool
 		b.Release()
 		b = nil
 	}
+	if paddingLen > buf.Size - newbuffer.Len() {
+		paddingLen = buf.Size - newbuffer.Len()
+	}
 	newbuffer.Extend(paddingLen)
 	newError("XtlsPadding ", contantLen, " ", paddingLen, " ", command).WriteToLog(session.ExportIDToError(ctx))
 	return newbuffer