linux-kernel - Re: at25 eeprom driver: NULL pointer dereference (bisected to af40d16042d6 ("Merge v5.15-rc5 into char-misc-next"))

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Message-ID: <YfJn48rLw9/U38BP@kroah.com>
Date:   Thu, 27 Jan 2022 10:37:39 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Ralph Siemsen <ralph.siemsen@...aro.org>,
        Kees Cook <keescook@...omium.org>,
        Arnd Bergmann <arnd@...db.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: at25 eeprom driver: NULL pointer dereference (bisected to
 af40d16042d6 ("Merge v5.15-rc5 into char-misc-next"))

On Thu, Jan 27, 2022 at 09:32:06AM +0000, Christophe Leroy wrote:
> 
> 
> Le 26/01/2022 à 20:38, Ralph Siemsen a écrit :
> > Hi Christophe,
> > 
> > On Wed, Jan 26, 2022 at 07:18:42PM +0000, Christophe Leroy wrote:
> >> Getting below Oops on boot.
> >>
> >> v5.16 is OK, v5.17-rc1 has the problem
> >>
> >> Bisected to af40d16042d6 ("Merge v5.15-rc5 into char-misc-next"), bisect
> >> log after the oops dump.
> >>
> >> I'm a bit puzzled to end up on a merge commit, that commit doesn't show
> >> any diff with 'git show' but has a huge list of changes with 'git show
> >> --stat'. I must be missing something.
> > 
> > There is a mistake in the merge commit. The fix is here:
> > https://lore.kernel.org/all/20220118182003.3385019-1-keescook@chromium.org/
> > 
> 
> It fixes the problem, thanks.
> 
> FWIW, you can add to that patch:
> 
> Tested-by: Christophe Leroy <christophe.leroy@...roup.eu>

Thanks, but it's already in my tree and will go to Linus in a few days.

greg k-h