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[3.12] Fix possible null pointer dereference of freevars in _PyCompile_LookupArg (gh-126238) (#126474)

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[3.12] gh-126238: Fix possible null pointer dereference of freevars in _PyCompile_LookupArg (GH-126239)

* Replace Py_DECREF by Py_XDECREF

(cherry picked from commit 8525c9375f)

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
This commit is contained in:
Valery Fedorenko
2024-11-06 10:56:12 +03:00
committed by GitHub
parent fc01844019
commit 2f39370f4a
1 changed files with 1 additions and 1 deletions
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Python/compile.c
+1 -1
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@@ -1835,7 +1835,7 @@ compiler_make_closure(struct compiler *c, location loc,
c->u->u_metadata.u_name,
co->co_name,
freevars);
Py_DECREF(freevars);
Py_XDECREF(freevars);
return ERROR;
}
ADDOP_I(c, loc, LOAD_CLOSURE, arg);