linux-kernel - Re: [PATCH v2 0/2] vhost: fix vhost_vq_access

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Message-ID: <8642c057-e49d-d95d-19e5-6d304f20064e@redhat.com>
Date:   Tue, 10 Apr 2018 14:40:10 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Stefan Hajnoczi <stefanha@...hat.com>,
        virtualization@...ts.linux-foundation.org
Cc:     syzkaller-bugs@...glegroups.com, mst@...hat.com,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH v2 0/2] vhost: fix vhost_vq_access_ok() log check



On 2018年04月10日 13:26, Stefan Hajnoczi wrote:
> 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.
>
> 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(-)
>

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks!