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MP4: Detect atoms with invalid length or type (#1077)

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This commit is contained in:
Urs Fleisch
2023-03-18 08:07:46 +01:00
committed by GitHub
parent a31356e330
commit e21640bf10
3 changed files with 13 additions and 2 deletions
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tests/data/ilst-is-last.m4a
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tests/test_mp4.cpp
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@ -575,7 +575,10 @@ public:
void testFuzzedFile()
{
MP4::File f(TEST_FILE_PATH_C("infloop.m4a"));
CPPUNIT_ASSERT(f.isValid());
// The file has an invalid atom length of 2775 in the last atom
// ("free", offset 0xc521, 00000ad7 66726565), whereas the remaining file
// length is 2727 bytes, therefore the file is now considered invalid.
CPPUNIT_ASSERT(!f.isValid());
}
void testRepeatedSave()