Fix #74960: Heap buffer overflow via str_repeat#7294
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cmb69 wants to merge 1 commit intophp:PHP-7.4from
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Fix #74960: Heap buffer overflow via str_repeat#7294cmb69 wants to merge 1 commit intophp:PHP-7.4from
cmb69 wants to merge 1 commit intophp:PHP-7.4from
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Trying to allocate a `zend_string` with a length only slighty smaller than `SIZE_MAX` causes an integer overflow, so callers may need to check that explicitly. To make that easy in a portable way, we introduce `ZSTR_MAX_LEN`.
nikic
approved these changes
Jul 21, 2021
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Trying to allocate a
zend_stringwith a length only slighty smallerthan
SIZE_MAXcauses an integer overflow, so callers may need tocheck that explicitly. To make that easy in a portable way, we
introduce
ZSTR_MAX_LEN.This PR supersedes #7252.