8000 [3.12] Fix possible null pointer dereference of freevars in _PyCompile_LookupArg (gh-126238) by federicovalenso · Pull Request #126474 · python/cpython · GitHub
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[3.12] Fix possible null pointer dereference of freevars in _PyCompile_LookupArg (gh-126238) #126474

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Merged
merged 1 commit into from
Nov 6, 2024
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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 i… 
…n _PyCompile_LookupArg (GH-126239)

* Replace Py_DECREF by Py_XDECREF

(cherry picked from commit 8525c93)

Co-authored-by: Valery Fedorenko <federicovalenso@gmail.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
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@federicovalenso @blurb-it @ZeroIntensity
3 people committed Nov 6, 2024
commit 8293188f044304997e6630b18b3879123f4bd0b3
2 changes: 1 addition & 1 deletion Python/compile.c
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Expand Up @@ -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);
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