linux-kernel - Re: WARNING in generic_make_request

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Message-ID: <201911271124.F01A0B37@keescook>
Date:   Wed, 27 Nov 2019 11:26:19 -0800
From:   Kees Cook <keescook@...omium.org>
To:     syzbot <syzbot+21cfe1f803e0e158acf1@...kaller.appspotmail.com>
Cc:     00moses.alexander00@...il.com, axboe@...nel.dk, bvanassche@....org,
        hare@...e.com, hch@....de, idryomov@...il.com,
        joseph.qi@...ux.alibaba.com, jthumshirn@...e.de,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        ming.lei@...hat.com, sagi@...mberg.me, snitzer@...hat.com,
        syzkaller-bugs@...glegroups.com, tj@...nel.org,
        torvalds@...ux-foundation.org, wgh@...lan.ru, zkabelac@...hat.com
Subject: Re: WARNING in generic_make_request_checks

On Tue, Nov 26, 2019 at 11:45:00PM -0800, syzbot wrote:
> Hello,
> 
> syzbot has tested the proposed patch and the reproducer did not trigger
> crash:
> 
> Reported-and-tested-by:
> syzbot+21cfe1f803e0e158acf1@...kaller.appspotmail.com
> 
> Tested on:
> 
> commit:         8b2ded1c block: don't warn when doing fsync on read-only d..
> git tree:
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> kernel config:  https://syzkaller.appspot.com/x/.config?x=d727e10a28207217
> dashboard link: https://syzkaller.appspot.com/bug?extid=21cfe1f803e0e158acf1
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> 
> Note: testing is done by a robot and is best-effort only.

It seems for successful tests, I still need to tell syzbot that this is
fixed?

#syz fix: block: don't warn when doing fsync on read-only devices

-- 
Kees Cook