Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <CA+G9fYtpy8VgK+ag6OsA9TDrwi5YGU4hu7GM8xwpO7v6LrCD4Q@mail.gmail.com>
 <YiiDZ7jjG38gqP+Q@shell.armlinux.org.uk> <CAMj1kXHTdk1Abm7ShoZzrW6EpM9eyFMPSdaa58Ziie4ZMecCnQ@mail.gmail.com>
 <CA+G9fYvCvBBi+dZ+CnUy=ZK6GhCFhBw72_==Cav=Q8QP5T1r5w@mail.gmail.com> <CA+G9fYt73AYs=z-BeZh22RBp==sf73pKky6m4iPSH7a4FssK7w@mail.gmail.com>
In-Reply-To: <CA+G9fYt73AYs=z-BeZh22RBp==sf73pKky6m4iPSH7a4FssK7w@mail.gmail.com>
From:   Ard Biesheuvel <ardb@kernel.org>
Date:   Wed, 9 Mar 2022 15:57:32 +0100
Message-ID: <CAMj1kXEFZVeWLaRQJmwO+Nn6uW4q6vXJOaNNTVKju1p2bMQksA@mail.gmail.com>
Subject: Re: [next] arm: Internal error: Oops: 5 PC is at __read_once_word_nocheck
To:     Naresh Kamboju <naresh.kamboju@linaro.org>
Cc:     "Russell King (Oracle)" <linux@armlinux.org.uk>,
        open list <linux-kernel@vger.kernel.org>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Corentin Labbe <clabbe.montjoie@gmail.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Wed, 9 Mar 2022 at 15:44, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
> On Wed, 9 Mar 2022 at 19:37, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
> >
> > On Wed, 9 Mar 2022 at 16:16, Ard Biesheuvel <ardb@kernel.org> wrote:
> > >
> > > On Wed, 9 Mar 2022 at 11:37, Russell King (Oracle)
> > > <linux@armlinux.org.uk> wrote:
> > > >
> > > > On Wed, Mar 09, 2022 at 03:18:12PM +0530, Naresh Kamboju wrote:
> > > > > While boting linux next-20220308 on BeagleBoard-X15 and qemu arm the following
> > > > > kernel crash reported which is CONFIG_KASAN enabled build [1] & [2].
> > > >
> > > > The unwinder is currently broken in linux-next. Please try reverting
> > > > 532319b9c418 ("ARM: unwind: disregard unwind info before stack frame is
> > > > set up")
>
> I have reverted the suggested commit and built and boot failed due to reported
> kernel crash [1].
>
> - Naresh
>

Thanks Naresh,

This looks like it might be related to the issue Russell just sent a fix for:
https://lore.kernel.org/linux-arm-kernel/CAMj1kXEqp2UmsyUe1eWErtpMk3dGEFZyyno3nqydC_ML0bwTLw@mail.gmail.com/T/#t

Could you please try that?