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Sun, 30 Apr 2023 14:46:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 3fcbG1h/TmTjAgAAMHmgww (envelope-from ); Sun, 30 Apr 2023 14:46:48 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d635aa53-e765-11ed-8611-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1682866008; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=4DXzQGU0fs1LGWAuV3shMeqRhZhnDtfQ/XOdGvqODYM=; b=pWkkDKbSxXXQwv/hwENRh+9WOto6rFtihpC9/qu40QG0BmehJc2RiMteckOom74m91CxS+ DYWnaLnwcD5VveJjvN9AlSDEDURAQAHbcc0CFRAuc2fuPwtv4MospZ+iBn30t6lnu9ZRzv QzYH08NE5A/AjoEaJChhPZurCCs/11s= From: Juergen Gross To: xen-devel@lists.xenproject.org Cc: Juergen Gross , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu Subject: [PATCH] xen/sysctl: fix XEN_SYSCTL_getdomaininfolist handling with XSM Date: Sun, 30 Apr 2023 16:46:46 +0200 Message-Id: <20230430144646.13624-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1682866056430100001 Content-Type: text/plain; charset="utf-8" In case XSM is active, the handling of XEN_SYSCTL_getdomaininfolist can fail if the last domain scanned isn't allowed to be accessed by the calling domain (i.e. xsm_getdomaininfo(XSM_HOOK, d) is failing). Fix that by just ignoring scanned domains where xsm_getdomaininfo() is returning an error, like it is effectively done when such a situation occurs for a domain not being the last one scanned. Fixes: d046f361dc93 ("Xen Security Modules: XSM") Signed-off-by: Juergen Gross Reviewed-by: Jan Beulich --- xen/common/sysctl.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/xen/common/sysctl.c b/xen/common/sysctl.c index 02505ab044..0cbfe8bd44 100644 --- a/xen/common/sysctl.c +++ b/xen/common/sysctl.c @@ -89,8 +89,7 @@ long do_sysctl(XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sys= ctl) if ( num_domains =3D=3D op->u.getdomaininfolist.max_domains ) break; =20 - ret =3D xsm_getdomaininfo(XSM_HOOK, d); - if ( ret ) + if ( xsm_getdomaininfo(XSM_HOOK, d) ) continue; =20 getdomaininfo(d, &info); --=20 2.35.3