gh-111178: Skip undefined behavior checks in _PyPegen_lookahead() #131714

vstinner · 2025-03-25T12:01:54Z

For example, expression_rule() return type is 'expr_ty', whereas _PyPegen_lookahead() uses 'void*'.

Issue: UBSan: Calling a function through pointer to incorrect function type is undefined behavior #111178

For example, expression_rule() return type is 'expr_ty', whereas _PyPegen_lookahead() uses 'void*'.

vstinner · 2025-03-25T12:02:04Z

…() (python#131714) For example, expression_rule() return type is 'expr_ty', whereas _PyPegen_lookahead() uses 'void*'.

pythongh-111178: Skip undefined behavior checks in _PyPegen_lookahead()

52ca09f

For example, expression_rule() return type is 'expr_ty', whereas _PyPegen_lookahead() uses 'void*'.

vstinner added the skip news label Mar 25, 2025

vstinner requested review from pablogsal and lysnikolaou as code owners March 25, 2025 12:01

bedevere-app bot added the awaiting core review label Mar 25, 2025

bedevere-app bot mentioned this pull request Mar 25, 2025

UBSan: Calling a function through pointer to incorrect function type is undefined behavior #111178

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vstinner merged commit 3796884 into python:main Mar 27, 2025
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vstinner deleted the ubsan_pegen branch March 27, 2025 09:04

bedevere-app bot removed the awaiting core review label Mar 27, 2025

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gh-111178: Skip undefined behavior checks in _PyPegen_lookahead() #131714

gh-111178: Skip undefined behavior checks in _PyPegen_lookahead() #131714

vstinner commented Mar 25, 2025 •

edited by bedevere-app bot

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vstinner commented Mar 25, 2025

gh-111178: Skip undefined behavior checks in _PyPegen_lookahead() #131714

gh-111178: Skip undefined behavior checks in _PyPegen_lookahead() #131714

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vstinner commented Mar 25, 2025 • edited by bedevere-app bot Loading

vstinner commented Mar 25, 2025

vstinner commented Mar 25, 2025 •

edited by bedevere-app bot

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