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Date: Wed, 29 Mar 2017 23:16:15 +0100
From: Michael Young <m.a.young@...ham.ac.uk>
To: "Xen.org security team" <security@....org>
CC: <xen-announce@...ts.xen.org>, <xen-devel@...ts.xen.org>,
<xen-users@...ts.xen.org>, <oss-security@...ts.openwall.com>
Subject: Re: [Xen-devel] Xen Security Advisory 206 - xenstore denial of
service via repeated update
On Wed, 29 Mar 2017, Xen.org security team wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Xen Security Advisory XSA-206
> version 9
>
> xenstore denial of service via repeated update
I am seeing a build failure from these patches when using gcc 7. The
problem is with
xsa206-4.80002-xenstored-Log-when-the-write-transaction-rate-limit-.patch
because in tools/xenstore/xenstored_domain.c the patch adds the boolean
wrl_delay_logged to the structure "domain" but later it tries to increment
it, resulting in the error
xenstored_domain.c: In function 'wrl_apply_debit_actual':
xenstored_domain.c:949:32: error: increment of a boolean expression
[-Werror=bool-operation]
if (!domain->wrl_delay_logged++) {
Michael Young
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