From 4b7a6746f86eee693aaa36172c46dea4e0802723 Mon Sep 17 00:00:00 2001
From: trav90 <travawine@protonmail.ch>
Date: Fri, 13 Jan 2017 16:47:47 -0600
Subject: [PATCH] [mp3] Return 0 for incomplete ID3 header size

---
 dom/media/MP3Demuxer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dom/media/MP3Demuxer.cpp b/dom/media/MP3Demuxer.cpp
index c898de2b39..8851798eb9 100644
--- a/dom/media/MP3Demuxer.cpp
+++ b/dom/media/MP3Demuxer.cpp
@@ -918,6 +918,9 @@ ID3Parser::ID3Header::Flags() const {
 
 uint32_t
 ID3Parser::ID3Header::Size() const {
+  if (!IsValid()) {
+    return 0;
+  }
   return mSize;
 }