Re: WARNING in request_end

From: Miklos Szeredi
Date: Sat Mar 23 2019 - 15:49:00 EST


On Sat, Mar 23, 2019 at 4:52 PM Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
>
> syzbot <syzbot+ef054c4d3f64cd7f7cec@xxxxxxxxxxxxxxxxxxxxxxxxx> writes:
>
> > syzbot has bisected this bug to:
>
> Nope. syzbot got it wrong.
>
> At most that commit will allow a larger class of users to mount fuse
> and thus be able to reproduce the problem.
>
> It does look like syzbot has found something concerning though.
>
> Miklos any ideas?

Dup of this?

bc78abbd55dd ("fuse: Fix use-after-free in fuse_dev_do_read()")

Let's test:

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
bc78abbd55dd

Thanks,
Miklos