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archived-php-src/ext/bcmath/tests/bug78878.phpt
T
Christoph M. Becker eb23c60087 Fix #78878: Buffer underflow in bc_shift_addsub
We must not rely on `isdigit()` to detect digits, since we only support
decimal ASCII digits in the following processing.
2019-12-16 00:05:03 -08:00

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PHP

--TEST--
Bug #78878 (Buffer underflow in bc_shift_addsub)
--SKIPIF--
<?php
if (!extension_loaded('bcmath')) die('skip bcmath extension not available');
?>
--FILE--
<?php
print @bcmul("\xB26483605105519922841849335928742092", bcpowmod(2, 65535, -4e-4));
?>
--EXPECT--
bc math warning: non-zero scale in modulus
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