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Where zend_long is not wider than an int, ZEND_LONG_UINT_OVFL() was defined as 0, so a negative value passed the check there, while it is rejected where zend_long is wider. Keep checking the lower bound on these platforms too. This affects mbstring.regex_stack_limit, mbstring.regex_retry_limit and the codepage of sapi_windows_cp_set() and sapi_windows_cp_conv().
marc-mabe
requested review from
alexdowad,
bukka and
youkidearitai
as code owners
October 27, 2026 10:21
This was referenced Oct 27, 2026
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Where zend_long is not wider than an int, ZEND_LONG_UINT_OVFL() was defined as 0, so a negative value passed the check there, while it is rejected where zend_long is wider. Keep checking the lower bound on these platforms too.
This affects mbstring.regex_stack_limit, mbstring.regex_retry_limit and the codepage of sapi_windows_cp_set() and sapi_windows_cp_conv().
This is split from #23688