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Add error checking to PyInit_pyexpact 

The module initializer of the pyexpat module failed to check
the return value of PySys_GetObject() for NULL.

CID 982779
This commit is contained in:
Christian Heimes 2016-09-09 00:13:35 +02:00
parent 6782b14bcb
commit 7a5457b687
1 changed files with 11 additions and 1 deletions
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12
Modules/pyexpat.c
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@ -1701,7 +1701,15 @@ MODULE_INITFUNC(void)
PyModule_AddStringConstant(m, "native_encoding", "UTF-8");
sys_modules = PySys_GetObject("modules");
if (sys_modules == NULL) {
Py_DECREF(m);
return NULL;
}
d = PyModule_GetDict(m);
if (d == NULL) {
Py_DECREF(m);
return NULL;
}
errors_module = PyDict_GetItem(d, errmod_name);
if (errors_module == NULL) {
errors_module = PyModule_New(MODULE_NAME ".errors");
@ -1722,9 +1730,11 @@ MODULE_INITFUNC(void)
}
}
Py_DECREF(modelmod_name);
if (errors_module == NULL || model_module == NULL)
if (errors_module == NULL || model_module == NULL) {
/* Don't core dump later! */
Py_DECREF(m);
return NULL;
}
#if XML_COMBINED_VERSION > 19505
{