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GeezerVison is showing github.com — gh-155151: Check recursion limits in specialized Python calls by marinelay · Pull Request #156346 · python/cpython

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@marinelay

@marinelay marinelay commented Aug 25, 2026 •
edited by bedevere-app Bot
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Fixes #155151

gh-137887 fixed CALL_KW_PY by adding _CHECK_RECURSION_REMAINING before _PUSH_FRAME.
Without this check, the specialized call path could proceed to _PUSH_FRAME even after the recursion budget had been exhausted.

CALL_EX_PY and CALL_KW_BOUND_METHOD use the same _PUSH_FRAME, but were missing the recursion check.
This PR adds the missing _CHECK_RECURSION_REMAINING to both paths, following the same pattern as gh-137887.

  • Issue: CALL_EX_PY and CALL_KW_BOUND_METHOD can bypass RecursionError after specialization #155151

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@marinelay
pythongh-155151: Check recursion limits in specialized Python calls
4801375
@marinelay
marinelay requested a review from markshannon as a code owner August 25, 2026 05:36
@bedevere-app bedevere-app Bot added the awaiting review label Aug 25, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Aug 25, 2026
CALL_EX_PY and CALL_KW_BOUND_METHOD can bypass RecursionError after specialization #155151
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@hampsterx hampsterx mentioned this pull request Oct 22, 2026
Verify support for Python 3.15 dlt-contrib/dlt-filesystem#2
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@markshannon markshannon Awaiting requested review from markshannon markshannon is a code owner

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CALL_EX_PY and CALL_KW_BOUND_METHOD can bypass RecursionError after specialization

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@marinelay
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