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Message-ID: <d64dee71-4927-4589-d865-7abf4cc266e6@oracle.com>
Date: Mon, 16 Sep 2019 10:57:30 -0700
From: santosh.shilimkar@...cle.com
To: Cong Wang <xiyou.wangcong@...il.com>,
syzbot <syzbot+fae39afd2101a17ec624@...kaller.appspotmail.com>
Cc: Arvid Brodin <arvid.brodin@...en.se>,
David Miller <davem@...emloft.net>,
LKML <linux-kernel@...r.kernel.org>, linux-rdma@...r.kernel.org,
Linux Kernel Network Developers <netdev@...r.kernel.org>,
rds-devel@....oracle.com,
syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in rds_bind
On 9/16/19 9:49 AM, Cong Wang wrote:
> On Mon, Sep 16, 2019 at 6:29 AM syzbot
> <syzbot+fae39afd2101a17ec624@...kaller.appspotmail.com> wrote:
>>
>> Hello,
>>
>> syzbot found the following crash on:
>>
>> HEAD commit: f4b752a6 mlx4: fix spelling mistake "veify" -> "verify"
>> git tree: net
>> console output: https://syzkaller.appspot.com/x/log.txt?x=16cbebe6600000
>> kernel config: https://syzkaller.appspot.com/x/.config?x=b89bb446a3faaba4
>> dashboard link: https://syzkaller.appspot.com/bug?extid=fae39afd2101a17ec624
>> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10753bc1600000
>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111dfc11600000
>>
>> The bug was bisected to:
>>
>> commit b9a1e627405d68d475a3c1f35e685ccfb5bbe668
>> Author: Cong Wang <xiyou.wangcong@...il.com>
>> Date: Thu Jul 4 00:21:13 2019 +0000
>>
>> hsr: implement dellink to clean up resources
>
>
> The crash has nothing to do with this commit. It is probably caused
> by the lack of ->laddr_check in rds_loop_transport.
>
Will have a look.
regards,
Santosh
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