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bpo-36436: Fix _testcapi.pymem_buffer_overflow() (GH-12560) 

Handle memory allocation failure.
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Victor Stinner 2019-03-26 14:35:30 +01:00 committed by GitHub
parent 871309c775
commit 414b1cde93
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Misc/NEWS.d/next/Tests/2019-03-26-13-49-21.bpo-36436.yAtN0V.rst Normal file
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@ -0,0 +1 @@
Fix ``_testcapi.pymem_buffer_overflow()``: handle memory allocation failure.

4
Modules/_testcapimodule.c
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@ -4184,6 +4184,10 @@ pymem_buffer_overflow(PyObject *self, PyObject *args)
/* Deliberate buffer overflow to check that PyMem_Free() detects /* Deliberate buffer overflow to check that PyMem_Free() detects
the overflow when debug hooks are installed. */ the overflow when debug hooks are installed. */
buffer = PyMem_Malloc(16); buffer = PyMem_Malloc(16);
if (buffer == NULL) {
PyErr_NoMemory();
return NULL;
}
buffer[16] = 'x'; buffer[16] = 'x';
PyMem_Free(buffer); PyMem_Free(buffer);