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From: Andrew Morton <akpm@linux-foundation.org>
To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: kernel test robot <lkp@intel.com>,
	kernel test robot <shun.hao@intel.com>,
	Linux Memory Management List <linux-mm@kvack.org>,
	Johannes Weiner <hannes@cmpxchg.org>, LKP <lkp@01.org>,
	David Miller <davem@davemloft.net>,
	Linux Kernel Network Developers <netdev@vger.kernel.org>
Subject: Re: [lkp-robot] 486ad79630 [ 15.532543] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
Date: Wed, 2 May 2018 22:44:37 -0700	[thread overview]
Message-ID: <20180502224437.18fe3ebb9e6955f321638f82@linux-foundation.org> (raw)
In-Reply-To: <CAM_iQpVDtrGCqd7NQ1vJXTuLMdz=GwbnN77vdkmY+PxtFmKHTw@mail.gmail.com>

On Wed, 2 May 2018 21:58:25 -0700 Cong Wang <xiyou.wangcong@gmail.com> wrote:

> On Wed, May 2, 2018 at 9:27 PM, Andrew Morton <akpm@linux-foundation.org> wrote:
> >
> > So it's saying that something which got committed into Linus's tree
> > after 4.17-rc3 has caused a NULL deref in
> > sock_release->llc_ui_release+0x3a/0xd0
> 
> Do you mean it contains commit 3a04ce7130a7
> ("llc: fix NULL pointer deref for SOCK_ZAPPED")?

That was in 4.17-rc3 so if this report's bisection is correct, that
patch is innocent.

origin.patch (http://ozlabs.org/~akpm/mmots/broken-out/origin.patch)
contains no changes to net/llc/af_llc.c so perhaps this crash is also
occurring in 4.17-rc3 base.

  reply	other threads:[~2018-05-03  5:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-03  4:14 kernel test robot
2018-05-03  4:27 ` Andrew Morton
2018-05-03  4:58   ` Cong Wang
2018-05-03  5:44     ` Andrew Morton [this message]
2018-05-03 18:02       ` Cong Wang

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