55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
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import mimetypes
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import os
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import sys
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sys.path.append('..')
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import atheris
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with atheris.instrument_imports(enable_loader_override=False):
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from libmat2 import parser_factory, UNSUPPORTED_EXTENSIONS
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extensions = set()
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for parser in parser_factory._get_parsers(): # type: ignore
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for mtype in parser.mimetypes:
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if mtype.startswith('video'):
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continue
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if 'aif' in mtype:
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continue
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if 'wav' in mtype:
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continue
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if 'gif' in mtype:
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continue
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if 'aifc' in mtype:
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continue
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for extension in mimetypes.guess_all_extensions(mtype):
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if extension not in UNSUPPORTED_EXTENSIONS:
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extensions.add(extension)
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extensions = list(extensions)
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def TestOneInput(data):
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fdp = atheris.FuzzedDataProvider(data)
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extension = fdp.PickValueInList(extensions)
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data = fdp.ConsumeBytes(sys.maxsize)
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fname = '/tmp/mat2_fuzz' + extension
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with open(fname, 'wb') as f:
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f.write(data)
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try:
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p, _ = parser_factory.get_parser(fname)
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if p:
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p.sandbox = False
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p.get_meta()
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p.remove_all()
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p, _ = parser_factory.get_parser(fname)
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p.get_meta()
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except ValueError:
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pass
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os.remove(fname)
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atheris.Setup(sys.argv, TestOneInput)
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atheris.Fuzz()
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