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author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2023-03-05 03:25:48 -0800 |
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committer | GitHub <noreply@github.com> | 2023-03-05 03:25:48 -0800 |
commit | 63fd95410038d1333da8b514adffdd0f4736aa27 (patch) | |
tree | 2c4049074025c00d16717fff5167e0fc7b1a4185 /Python/bltinmodule.c | |
parent | caff048cb35c9498e95c1e64c507e0c6b7783d7e (diff) | |
download | cpython3-63fd95410038d1333da8b514adffdd0f4736aa27.tar.gz |
gh-102356: Add thrashcan macros to filter object dealloc (GH-102426)
Add thrashcan macros to the deallocator of the filter objects to protect against deeply nested destruction of chains of nested filters.
(cherry picked from commit 66aa78cbe604a7c5731f074b869f92174a8e3b64)
Co-authored-by: Marta Gómez Macías <mgmacias@google.com>
Diffstat (limited to 'Python/bltinmodule.c')
-rw-r--r-- | Python/bltinmodule.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index a3fdb394a1..6c8725f982 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -556,9 +556,11 @@ static void filter_dealloc(filterobject *lz) { PyObject_GC_UnTrack(lz); + Py_TRASHCAN_BEGIN(lz, filter_dealloc) Py_XDECREF(lz->func); Py_XDECREF(lz->it); Py_TYPE(lz)->tp_free(lz); + Py_TRASHCAN_END } static int |