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bpo-31095: fix potential crash during GC (GH-3195)

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(cherry picked from commit a6296d34a4)
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INADA Naoki 2017-09-04 12:31:09 +09:00 • committed by GitHub
parent 7d8282d25d
commit 2eea952b1b
14 changed files with 60 additions and 13 deletions
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2
Modules/_struct.c
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@ -1605,6 +1605,8 @@ typedef struct {
static void
unpackiter_dealloc(unpackiterobject *self)
{
/* bpo-31095: UnTrack is needed before calling any callbacks */
PyObject_GC_UnTrack(self);
Py_XDECREF(self->so);
PyBuffer_Release(&self->buf);
PyObject_GC_Del(self);