linux-kernel - Re: [PATCH V2 0/4] Prevent vhost kthread from hogging CPU

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 23 May 2019 13:22:32 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     David Miller <davem@...emloft.net>
Cc:     jasowang@...hat.com, virtualization@...ts.linux-foundation.org,
        kvm@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, pbonzini@...hat.com,
        stefanha@...hat.com
Subject: Re: [PATCH V2 0/4] Prevent vhost kthread from hogging CPU

On Sat, May 18, 2019 at 01:27:12PM -0700, David Miller wrote:
> From: Jason Wang <jasowang@...hat.com>
> Date: Fri, 17 May 2019 00:29:48 -0400
> 
> > Hi:
> > 
> > This series try to prevent a guest triggerable CPU hogging through
> > vhost kthread. This is done by introducing and checking the weight
> > after each requrest. The patch has been tested with reproducer of
> > vsock and virtio-net. Only compile test is done for vhost-scsi.
> > 
> > Please review.
> > 
> > This addresses CVE-2019-3900.
> > 
> > Changs from V1:
> > - fix user-ater-free in vosck patch
> 
> I am assuming that not only will mst review this, it will also go via
> his tree rather than mine.
> 
> Thanks.

Will do.