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