Fix #73122: Integer Overflow when concatenating strings#7381
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cmb69 wants to merge 2 commits intophp:PHP-7.4from
Closed
Fix #73122: Integer Overflow when concatenating strings#7381cmb69 wants to merge 2 commits intophp:PHP-7.4from
cmb69 wants to merge 2 commits intophp:PHP-7.4from
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We must avoid integer overflows in memory allocations, so we introduce an additional check in the VM, and bail out in the rare case of an overflow. Since the recent fix for bug #74960 still doesn't catch all possible overflows, we fix that right away.
nikic
reviewed
Aug 17, 2021
nikic
approved these changes
Aug 18, 2021
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We must avoid integer overflows in memory allocations, so we introduce
an additional check in the VM, and bail out in the rare case of an
overflow. Since the recent fix for bug #74960 still doesn't catch all
possible overflows, we fix that right away.