It's a hardware bug, which can be avoided by the right compilation flags. Since it comes from the legacy x87 feature, it doesn't happen on x86_64 which is a newer architecture.
Kaplan p.s. The link you gave bellow is to php.net not Zend. On Wed, Jan 5, 2011 at 1:41 PM, Nadav Har'El <n...@math.technion.ac.il>wrote: > On Wed, Jan 05, 2011, Hetz Ben Hamo wrote about "OT: PHP 32 bit numbers > security issue": > > Hi, > > I just found something related to PHP and handling 32 bit numbers, I > wrote > > about it here: http://goo.gl/xqQZd > > I found a fix on Zend's repository, > > http://svn.php.net/viewvc/php/php-src/trunk/Zend/zend_strtod.c?r1=307095&r2=307094&pathrev=307095 > > Does anyone know anything about what caused this bug, how come a "volatile" > fixed it (what, it was a gcc optimization bug?), and what does it have to > do > with 32 vs 64 bits? > > > -- > Nadav Har'El | Wednesday, Jan 5 2011, 29 Tevet > 5771 > n...@math.technion.ac.il > |----------------------------------------- > Phone +972-523-790466, ICQ 13349191 |The trouble with being punctual is > that > http://nadav.harel.org.il |nobody is there to appreciate it. > > _______________________________________________ > Linux-il mailing list > Linux-il@cs.huji.ac.il > http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il >
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