linux-kernel - Re: [syzbot] general protection fault in wb_timer

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Message-ID: <20210819135308.GB3395@lst.de>
Date:   Thu, 19 Aug 2021 15:53:08 +0200
From:   Christoph Hellwig <hch@....de>
To:     Sven Schnelle <svens@...ux.ibm.com>
Cc:     Christoph Hellwig <hch@....de>, Hillf Danton <hdanton@...a.com>,
        syzbot <syzbot+aa0801b6b32dca9dda82@...kaller.appspotmail.com>,
        axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] general protection fault in wb_timer_fn

On Thu, Aug 19, 2021 at 03:10:37PM +0200, Sven Schnelle wrote:
> Christoph Hellwig <hch@....de> writes:
> 
> > On Thu, Aug 19, 2021 at 11:03:42AM +0200, Sven Schnelle wrote:
> >> I'm seeing a similar crash in our CI:
> >
> > This series:
> >
> > https://lore.kernel.org/linux-block/20210816131910.615153-1-hch@lst.de/T/#t
> >
> > should fi it.  Can you give it a spin?
> 
> I tested it without your patchset and it crashed around every second
> try. With that patchset, i wasn't able to reproduce it.

Can you send a Tested-by: for the last patch which should fix this?