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bpo-33803: Fix a crash in hamt.c (#7504)

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Yury Selivanov 2018-06-07 20:29:55 -04:00 • committed by GitHub
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Misc/NEWS.d/next/Core and Builtins/2018-06-07-20-18-38.bpo-33803.n-Nq6_.rst Normal file
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@ -0,0 +1,2 @@
Fix a crash in hamt.c caused by enabling GC tracking for an object that
hadn't all of its fields set to NULL.

2
Python/hamt.c
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@ -2476,6 +2476,8 @@ hamt_alloc(void)
if (o == NULL) { if (o == NULL) {
return NULL; return NULL;
} }
o->h_count = 0;
o->h_root = NULL;
o->h_weakreflist = NULL; o->h_weakreflist = NULL;
PyObject_GC_Track(o); PyObject_GC_Track(o);
return o; return o;