Re: [PATCH v2 1/2] staging: rtl8723bs: fix OOB write in HT_caps_handler()

From: Greg KH

Date: Mon Apr 27 2026 - 07:12:22 EST


On Mon, Apr 27, 2026 at 12:48:38PM +0300, Dan Carpenter wrote:
> On Mon, Apr 27, 2026 at 02:28:39AM -0700, Alexandru Hossu wrote:
> > On Mon, Apr 27, 2026 at 11:17 AM, Dan Carpenter wrote:
> > > We need a little change log here. I was hoping you would provide
> > > a link to the AI review in the changelog.
> >
> > Hi Dan,
> >
> > Sorry about the missing changelog, will add it in v3.
> >
> > For the AI review link, I don't have a direct link to the bot output.
> > What I know is from Greg's reply in the v1 thread on lore.kernel.org,
>
> What about a link to the email on lore?

Sorry, I was on a plane with no connectivity to look it up, here's the
AI review for my patch:
https://sashiko.dev/#/patchset/2026041408-grill-mahogany-d1e3%40gregkh

> > where he said both his fix and mine would break things on some systems
> > according to the review bot and asked me to use truncation instead.
> > I went with min_t() specifically because he asked for it.
> >
> > You're right that technically early return would have been strictly
> > better than the original, the original was already writing out of
> > bounds so it wasn't working to begin with. But since Greg asked for
> > truncation I kept it that way.
>
> This is the path of least resistance, but it's better to push back
> on bad advice from AI. Greg won't be offended. And if he still
> doesn't like after you push back then you can still do the min_t()
> version. Both versions are fine really, but I generally go with
> the stricter one when it doesn't break anything that wasn't already
> very broken.

Agreed, it takes a lot to offend me these days :)

thanks,

greg k-h