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Re: [Xen-devel] [Patch] fix checking strtab length in xc_core.c

  • To: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Mon, 10 Sep 2007 13:20:43 +0100
  • Delivery-date: Mon, 10 Sep 2007 05:21:15 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcfzpQHgQCp77l+YEdy8TgAX8io7RQ==
  • Thread-topic: [Xen-devel] [Patch] fix checking strtab length in xc_core.c


On 10/9/07 13:16, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx> wrote:

> I don't understard the meaning of the following check in xc_core.c.
> Is this correct patch?
> 
> Signed-off-by: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>

It's to avoid overflowing a fixed-size integer.

 -- Keir



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