From caf705958e9d664811a0ec5a951d92c0140fddae Mon Sep 17 00:00:00 2001
From: "Stephen F. Booth" <me@sbooth.org>
Date: Fri, 29 Nov 2013 08:24:22 -0500
Subject: [PATCH] Validate the tag's version of file length against the actual
 length

---
 taglib/dsf/dsffile.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/taglib/dsf/dsffile.cpp b/taglib/dsf/dsffile.cpp
index 860096a3..2000774e 100644
--- a/taglib/dsf/dsffile.cpp
+++ b/taglib/dsf/dsffile.cpp
@@ -168,6 +168,14 @@ void DSF::File::read(bool readProperties, AudioProperties::ReadStyle propertiesS
   }
   
   d->fileSize = readBlock(8).toInt64LE(0);
+
+  // File is malformed or corrupted
+  if(d->fileSize != length()) {
+    debug("DSF::File::read() -- File is corrupted.");
+    setValid(false);
+    return;
+  }
+
   d->metadataOffset = readBlock(8).toInt64LE(0);
 
   // File is malformed or corrupted