linux-kernel - Re: KASAN: use-after-free Read in rds_find

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Message-ID: <CACT4Y+bd6Tyq672JC3GNSHPX2CEHacVKkcbKOAgpi8o-=T8DRg@mail.gmail.com>
Date:   Tue, 13 Feb 2018 21:12:15 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     "santosh.shilimkar@...cle.com" <santosh.shilimkar@...cle.com>
Cc:     syzbot <syzbot+93a5839deb355537440f@...kaller.appspotmail.com>,
        linux-rdma@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        David Miller <davem@...emloft.net>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>, rds-devel@....oracle.com
Subject: Re: KASAN: use-after-free Read in rds_find_bound

On Sat, Dec 30, 2017 at 8:41 PM, santosh.shilimkar@...cle.com
<santosh.shilimkar@...cle.com> wrote:
> On 12/30/17 1:17 AM, syzbot wrote:
>>
>> Hello,
>>
>> syzkaller hit the following crash on
>> fba961ab29e5ffb055592442808bb0f7962e05da
>> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/master
>> compiler: gcc (GCC) 7.1.1 20170620
>> .config is attached
>> Raw console output is attached.
>> Unfortunately, I don't have any reproducer for this bug yet.
>>
>>
>> IMPORTANT: if you fix the bug, please add the following tag to the commit:
>> Reported-by: syzbot+93a5839deb355537440f@...kaller.appspotmail.com
>
>
> Posted a fix[1] for above issue. Didn't test it but looks straight
> forward.


Hi Santosh,

What is that fix? You forgot to provide any link/reference. I also
don't see any patches from you at around that date...