Re: [PATCH] fs/ntfs3: add checks for allocation failure

From: Dan Carpenter
Date: Tue Aug 24 2021 - 13:00:53 EST

On Tue, Aug 24, 2021 at 07:02:44PM +0300, Kari Argillander wrote:
> On Tue, Aug 24, 2021 at 02:52:36PM +0300, Dan Carpenter wrote:
> > Add a check for when the kzalloc() in init_rsttbl() fails. Some of
> > the callers checked for NULL and some did not. I went down the call
> > tree and added NULL checks where ever they were missing.
> >
> > Fixes: b46acd6a6a62 ("fs/ntfs3: Add NTFS journal")
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Seems ok. It is not easist file to follow. log_replay is monster and
> it should be refactor in some point. I'm certain that many more bugs
> will be founded there. Also at least community does not have very good
> testing interface for this.

There is a way to do allocation fault injection, but I haven't messed
with it.

My guess is that syzbot will soon start reporting a ton of bugs. ;)

dan carpenter