linux-kernel - Re: next: BUG: kernel NULL pointer dereference, address: 0000000000000008

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Message-ID: <Y8G/Yu22ZfUoQbed@sirena.org.uk>
Date:   Fri, 13 Jan 2023 20:30:26 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, regressions@...ts.linux.dev,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Anders Roxell <anders.roxell@...aro.org>
Subject: Re: next: BUG: kernel NULL pointer dereference, address:
 0000000000000008 - RIP: 0010:do_wp_page

On Fri, Jan 13, 2023 at 07:54:20PM +0000, Matthew Wilcox wrote:
> On Fri, Jan 13, 2023 at 07:43:58PM +0000, Mark Brown wrote:
> > On Fri, Jan 13, 2023 at 03:53:44PM +0000, Matthew Wilcox wrote:

> > > Uh, are you compiling your kernels without debuginfo?  The results
> > > from syzbot & 0day are much more useful:

> > FWIW here's a decode from arm64 (the boards I sampled all looked very
> > similar):

> We've identified the bad commit now ... this thread is just about
> improving the process for next time ;-)

Ah, OK - I missed that thread.

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