From: Paolo Bonzini <pbonzini@redhat.com>
To: Avi Kivity <avi@redhat.com>,
agraf@suse.de, anthony@codemonkey.ws, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Fix subtle integer overflow bug in memory API
Date: Thu, 15 Sep 2011 09:38:19 +0200 [thread overview]
Message-ID: <4E71AB6B.7040900@redhat.com> (raw)
In-Reply-To: <20110915023431.GO9025@yookeroo.fritz.box>
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
next prev parent reply other threads:[~2011-09-15 7:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-14 7:02 [Qemu-devel] [PATCH] Fix subtle integer overflow bug in memory API David Gibson
2011-09-14 8:23 ` Avi Kivity
2011-09-14 8:38 ` Avi Kivity
2011-09-15 2:34 ` David Gibson
2011-09-15 2:58 ` David Gibson
2011-09-15 7:28 ` Avi Kivity
2011-09-16 3:16 ` David Gibson
2011-09-15 7:38 ` Paolo Bonzini [this message]
2011-09-15 7:43 ` Avi Kivity
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