linux-kernel - Re: linux-next boot error: WARNING: suspicious RCU usage in ip6mr_get

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Message-ID: <20200508100937.5741a0b2@canb.auug.org.au>
Date:   Fri, 8 May 2020 10:09:37 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Madhuparna Bhowmik <madhuparnabhowmik10@...il.com>
Cc:     Qian Cai <cai@....pw>, Amol Grover <frextrite@...il.com>,
        syzbot <syzbot+761cff389b454aa387d2@...kaller.appspotmail.com>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        David Miller <davem@...emloft.net>, kuba@...nel.org,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: linux-next boot error: WARNING: suspicious RCU usage in
 ip6mr_get_table

Hi Madhuparna,

On Fri, 8 May 2020 04:54:02 +0530 Madhuparna Bhowmik <madhuparnabhowmik10@...il.com> wrote:
>
> On Thu, May 07, 2020 at 08:50:55AM -0400, Qian Cai wrote:
> > 
> >   
> > > On May 7, 2020, at 5:32 AM, Dmitry Vyukov <dvyukov@...gle.com> wrote:
> > > 
> > > On Thu, May 7, 2020 at 11:26 AM syzbot
> > > <syzbot+761cff389b454aa387d2@...kaller.appspotmail.com> wrote:  
> > >> 
> > >> =============================
> > >> WARNING: suspicious RCU usage
> > >> 5.7.0-rc4-next-20200507-syzkaller #0 Not tainted
> > >> -----------------------------
> > >> security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!!
> > >>   
> Here is the patch for this one:
> https://lore.kernel.org/patchwork/patch/1233836/

Thanks, I will apply that one to linux-next today.

-- 
Cheers,
Stephen Rothwell

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