Re: [PATCH 1/2] wireless: ath9k_htc: fix NULL-deref at probe

From: Johan Hovold
Date: Mon Apr 03 2017 - 09:16:31 EST


On Mon, Apr 03, 2017 at 01:02:28PM +0000, Kalle Valo wrote:
> Kalle Valo <kvalo@xxxxxxxxxxxxxx> writes:
>
> > Johan Hovold <johan@xxxxxxxxxx> writes:
> >
> >> On Mon, Mar 13, 2017 at 01:44:20PM +0100, Johan Hovold wrote:
> >>> Make sure to check the number of endpoints to avoid dereferencing a
> >>> NULL-pointer or accessing memory beyond the endpoint array should a
> >>> malicious device lack the expected endpoints.
> >>>
> >>> Fixes: 36bcce430657 ("ath9k_htc: Handle storage devices")
> >>> Cc: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx>
> >>> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> >>
> >> Is this one still in your queue, Kalle?
> >
> > Yes, I'm just lacking behing:
> >
> > https://patchwork.kernel.org/patch/9620723/
>
> Meant "lagging" of course. Mondays..
>
> >> As I mentioned earlier, I should have added a
> >>
> >> Cc: stable <stable@xxxxxxxxxxxxxxx> # 2.6.39
> >>
> >> but left it out as I mistakingly thought the net recommendations to do
> >> so applied also to wireless.
> >
> > Ok, I'll add that.
>
> But is 2.6.39 really correct? Shouldn't it be 2.6.39+ so that it means
> all versions since 2.6.39?

Either way is fine, the stable maintainers apply them to all later
versions.

I notice now that adding a plus sign is more common, but it's still a
1:2 ratio judging from quick grep, while the stable-kernel-rules.rst
actually uses a minus sign...

Thanks,
Johan