debug-discovery: do not abort on unrelated repositories
This is a useful case to consider, so we should not abort in this case.
A warning is still issued.
#include <Python.h>
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <string>
#include "pyutil.h"
extern "C" {
static PYCODETYPE *code;
extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
{
contrib::initpy(*argv[0]);
code = (PYCODETYPE *)Py_CompileString(R"py(
def maybeint(s, default):
try:
return int(s)
except ValueError:
return default
try:
parts = data.split('\0', 2)
if len(parts) == 3:
offset, stop, data = parts
elif len(parts) == 2:
stop, data = parts
offset = 0
else:
offset = stop = 0
offset, stop = maybeint(offset, 0), maybeint(stop, len(data))
parsers.fm1readmarkers(data, offset, stop)
except Exception as e:
pass
# uncomment this print if you're editing this Python code
# to debug failures.
# print e
)py",
"fuzzer", Py_file_input);
return 0;
}
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
PyObject *text =
PyBytes_FromStringAndSize((const char *)Data, (Py_ssize_t)Size);
PyObject *locals = PyDict_New();
PyDict_SetItemString(locals, "data", text);
PyObject *res = PyEval_EvalCode(code, contrib::pyglobals(), locals);
if (!res) {
PyErr_Print();
}
Py_XDECREF(res);
Py_DECREF(locals);
Py_DECREF(text);
return 0; // Non-zero return values are reserved for future use.
}
}