Re: [syzbot] [io-uring?] KASAN: null-ptr-deref Write in sys_io_uring_register

[Tamir Duberstein]

On Wed, Dec 4, 2024 at 1:51 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> On Wed, Dec 04, 2024 at 01:39:37PM -0500, Tamir Duberstein wrote:
> > > I thought I did, but when I ran it again just now, this test did catch
> > > it. So there is coverage.
> >
> > Matthew, would you consider a patch that migrates the xarray tests to kunit?
>
> how would that help?  it's already a kernel module as well as being a
> userspace testsuite.  kunit just seemed to add useless boilerplate last
> tie i looked.

The primary benefit is integration with kunit.py that presents nicer
human-readable output compared to the existing machinery. It does add
some boilerplate (~120 loc out of ~2300).