Re: WARNING in generic_make_request_checks

From: Kees Cook
Date: Wed Nov 27 2019 - 14:26:26 EST


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@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> 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