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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [PATCH] Fix subtle integer overflow bug in memory API |
| Date: | Thu, 15 Sep 2011 09:38:19 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2 |
On 09/15/2011 04:34 AM, David Gibson wrote:
explicit "if (a + b)< a" tests in some places.
Please wrap these in a macro, since the addition has to be done in an unsigned type. Otherwise overflow is undefined.
Paolo
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