netdev - Re: [PATCH v3 0/2] vhost: fix vhost_vq_access

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Message-ID: <20180411162345-mutt-send-email-mst@kernel.org>
Date:   Wed, 11 Apr 2018 16:24:02 +0300
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Stefan Hajnoczi <stefanha@...hat.com>
Cc:     virtualization@...ts.linux-foundation.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        jasowang@...hat.com, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] vhost: fix vhost_vq_access_ok() log check

On Wed, Apr 11, 2018 at 10:35:39AM +0800, Stefan Hajnoczi wrote:
> v3:
>  * Rebased onto net/master and resolved conflict [DaveM]
> 
> v2:
>  * Rewrote the conditional to make the vq access check clearer [Linus]
>  * Added Patch 2 to make the return type consistent and harder to misuse [Linus]
> 
> The first patch fixes the vhost virtqueue access check which was recently
> broken.  The second patch replaces the int return type with bool to prevent
> future bugs.

Acked-by: Michael S. Tsirkin <mst@...hat.com>

We need the 1st one on stable I think.


> Stefan Hajnoczi (2):
>   vhost: fix vhost_vq_access_ok() log check
>   vhost: return bool from *_access_ok() functions
> 
>  drivers/vhost/vhost.h |  4 +--
>  drivers/vhost/vhost.c | 70 ++++++++++++++++++++++++++-------------------------
>  2 files changed, 38 insertions(+), 36 deletions(-)
> 
> -- 
> 2.14.3