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oracle-py-cx: select port from a range (#8905) 

Fixes: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52934
This commit is contained in:
DavidKorczynski 2022-11-01 09:01:14 -04:00 committed by GitHub
parent f476bfaeca
commit e6841e12a2
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1 changed files with 16 additions and 4 deletions
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20
projects/oracle-py-cx/fuzz_basic.py
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@ -29,10 +29,10 @@ def SetFuzzedInput(input_bytes):
class ServerThread(threading.Thread):
def __init__(self):
def __init__(self, port):
self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.s.bind(("127.0.0.1", 8009))
self.s.bind(("127.0.0.1", port))
self.s.settimeout(0.4)
self.s.listen(1)
@ -55,14 +55,26 @@ class ServerThread(threading.Thread):
@atheris.instrument_func
def TestInput(data):
t1 = ServerThread()
port = None
for i in range(8009, 8100):
try:
t1 = ServerThread(i)
except OSError:
# If the address is already in use by another
continue
port = i
break
if port == None:
return
t1.start()
fdp = atheris.FuzzedDataProvider(data)
args = dict()
args['user'] = fdp.ConsumeUnicodeNoSurrogates(64)
args['password'] = fdp.ConsumeUnicodeNoSurrogates(64)
args['dsn'] = "127.0.0.1:8009"
args['dsn'] = f"127.0.0.1:{port}"
if fdp.ConsumeBool():
args['newpassword'] = fdp.ConsumeUnicodeNoSurrogates(64)
if fdp.ConsumeBool():