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gh-101430: Update tracemalloc to handle presize properly. (gh-101745)

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Dong-hee Na 2023-02-10 08:30:03 +09:00 • committed by GitHub
parent f1f3af7b82
commit 5b946d3719
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3 changed files with 12 additions and 23 deletions
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9
Objects/object.c
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@ -2387,14 +2387,9 @@ _PyObject_AssertFailed(PyObject *obj, const char *expr, const char *msg,
/* Display the traceback where the object has been allocated.
Do it before dumping repr(obj), since repr() is more likely
to crash than dumping the traceback. */
void *ptr;
PyTypeObject *type = Py_TYPE(obj);
if (_PyType_IS_GC(type)) {
ptr = (void *)((char *)obj - sizeof(PyGC_Head));
}
else {
ptr = (void *)obj;
}
const size_t presize = _PyType_PreHeaderSize(type);
void *ptr = (void *)((char *)obj - presize);
_PyMem_DumpTraceback(fileno(stderr), ptr);
/* This might succeed or fail, but we're about to abort, so at least