From e312868c4edab227b772f4795e8adff96da4bf4d Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Mon, 13 Dec 2021 19:00:41 +0100
Subject: Increase a bit the robustness of mat2

Those issues were found via https://github.com/google/atheris
---
 libmat2/audio.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'libmat2/audio.py')

diff --git a/libmat2/audio.py b/libmat2/audio.py
index bd7add9..3f3a757 100644
--- a/libmat2/audio.py
+++ b/libmat2/audio.py
@@ -13,7 +13,8 @@ class MutagenParser(abstract.AbstractParser):
     def __init__(self, filename):
         super().__init__(filename)
         try:
-            mutagen.File(self.filename)
+            if mutagen.File(self.filename) is None:
+                raise ValueError
         except mutagen.MutagenError:
             raise ValueError
 
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