linux-kernel - Re: REGRESSION 5.19-rc1: virtio: harden vring IRQ

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Message-ID: <YqH7F0uBL3Jt8GGY@mit.edu>
Date:   Thu, 9 Jun 2022 09:52:23 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Jason Wang <jasowang@...hat.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Vineeth Vijayan <vneethv@...ux.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        horsten Leemhuis <regressions@...mhuis.info>
Subject: Re: REGRESSION 5.19-rc1: virtio: harden vring IRQ

On Thu, Jun 09, 2022 at 02:19:59PM +0800, Jason Wang wrote:
> 
> This seems to be the same issue as the syzbot report recently.
> 
> Would you please test this patch to see if it works?
> 
> https://www.spinics.net/lists/kernel/msg4389357.html

Yep, that fixes things for me!  (As does disabling
CONFIG_HW_RANDOM_TPM.)

Tested-by: Theodore Ts'o <tytso@....edu>

Thanks,

					- Ted