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Provide an interface for fuzzing sequence producer plugins

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This commit is contained in:
Elliot Gorokhovsky
2023-03-14 09:40:53 -07:00
parent 9420bce8a4
commit a810e1eeb7
21 changed files with 297 additions and 14 deletions
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11
tests/fuzz/fuzz.py
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@ -78,6 +78,7 @@ CFLAGS = os.environ.get('CFLAGS', '-O3')
CXXFLAGS = os.environ.get('CXXFLAGS', CFLAGS)
LDFLAGS = os.environ.get('LDFLAGS', '')
MFLAGS = os.environ.get('MFLAGS', '-j')
THIRD_PARTY_SEQ_PROD_OBJ = os.environ.get('THIRD_PARTY_SEQ_PROD_OBJ', '')
# Fuzzing environment variables
LIB_FUZZING_ENGINE = os.environ.get('LIB_FUZZING_ENGINE', 'libregression.a')
@ -319,6 +320,12 @@ def build_parser(args):
dest='stateful_fuzzing',
action='store_true',
help='Reuse contexts between runs (makes reproduction impossible)')
parser.add_argument(
'--custom-seq-prod',
dest='third_party_seq_prod_obj',
type=str,
default=THIRD_PARTY_SEQ_PROD_OBJ,
help='Path to an object file with symbols for fuzzing your sequence producer plugin.')
parser.add_argument(
'--cc',
dest='cc',
@ -450,6 +457,10 @@ def build(args):
if args.stateful_fuzzing:
cppflags += ['-DSTATEFUL_FUZZING']
if args.third_party_seq_prod_obj:
cppflags += ['-DFUZZ_THIRD_PARTY_SEQ_PROD']
mflags += ['THIRD_PARTY_SEQ_PROD_OBJ={}'.format(args.third_party_seq_prod_obj)]
if args.fuzzing_mode:
cppflags += ['-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION']