[3.14] gh-140431: Fix GC crash due to partially initialized coroutines (gh-140470)#140504
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…pythongh-140470) The `make_gen()` function creates and tracks generator/coro objects, but doesn't fully initialize all the fields. At a minimum, we need to initialize all the fields that may be accessed by gen_traverse because the call to `compute_cr_origin()` can trigger a GC. (cherry picked from commit 574405c) Co-authored-by: Sam Gross <colesbury@gmail.com>
colesbury merged commit 3944e9b into python:3.14 48 checks passed
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The
make_gen()function creates and tracks generator/coro objects, butdoesn't fully initialize all the fields. At a minimum, we need to
initialize all the fields that may be accessed by gen_traverse because
the call to
compute_cr_origin()can trigger a GC.(cherry picked from commit 574405c)
Co-authored-by: Sam Gross colesbury@gmail.com