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From: Wei Liu <wei.liu2@citrix.com>
To: Olaf Hering <olaf@aepfle.de>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	Wei Liu <wei.liu2@citrix.com>,
	Ian Campbell <ian.campbell@citrix.com>,
	xen-devel@lists.xen.org
Subject: Re: [PATCH v11 1/2] libxl: add support for vscsi
Date: Fri, 8 Apr 2016 15:23:28 +0100	[thread overview]
Message-ID: <20160408142328.GA6085@citrix.com> (raw)
In-Reply-To: <20160408141646.GA12197@aepfle.de>

On Fri, Apr 08, 2016 at 04:16:46PM +0200, Olaf Hering wrote:
> > > +        goto out;
> > > +
> > > +    tmp = libxl__xs_read(gc, t, GCSPRINTF("%s/%s/backend-id", fe_path, dir));
> > > +    if (!tmp)
> > > +        goto out;
> > > +    ctrl->backend_domid = atoi(tmp);
> > 
> > Please sanitise input coming from frontend.  You need to check if the
> > backend domid and frontend domid make sense.
> 
> What do you have in mind? Something like in vusb_be_from_xs_fe?
> 

Yes.


Wei.

> Olaf

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  reply	other threads:[~2016-04-08 14:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-08  7:01 [PATCH v11 0/2] libxl: add support for pvscsi, iteration 11 Olaf Hering
2016-04-08  7:01 ` [PATCH v11 1/2] libxl: add support for vscsi Olaf Hering
2016-04-08  8:53   ` Juergen Gross
2016-04-08 10:18   ` Olaf Hering
2016-04-08 12:06   ` Wei Liu
2016-04-08 13:47     ` Ian Jackson
2016-04-08 14:49       ` Wei Liu
2016-04-08 14:16     ` Olaf Hering
2016-04-08 14:23       ` Wei Liu [this message]
2016-04-08 15:43         ` Olaf Hering
2016-04-11 12:57           ` Olaf Hering
2016-04-11 13:02             ` Wei Liu
2016-04-08 14:41       ` Wei Liu
2016-04-08  7:01 ` [PATCH v11 2/2] Scripts to create and delete xen-scsiback nodes in Linux target framework Olaf Hering
2016-04-08 11:05   ` Wei Liu
2016-04-08 11:07     ` Olaf Hering

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