linux-kernel - Re: BUG: spinlock bad magic (2)

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Message-ID: <6dbd4f85-f3f2-97f3-5b82-451276fbf877@oracle.com>
Date:   Mon, 18 Dec 2017 08:46:21 -0800
From:   Santosh Shilimkar <santosh.shilimkar@...cle.com>
To:     syzbot 
        <bot+d3f5d339869eb8cd834d2c9f0a88bf4f05c29781@...kaller.appspotmail.com>,
        davem@...emloft.net, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        rds-devel@....oracle.com, syzkaller-bugs@...glegroups.com
Subject: Re: BUG: spinlock bad magic (2)

On 12/18/2017 4:36 AM, syzbot wrote:
> Hello,
> 
> syzkaller hit the following crash on 
> 6084b576dca2e898f5c101baef151f7bfdbb606d
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-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.
> 
[...]

> BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
> IP: rds_send_xmit+0x80/0x930 net/rds/send.c:186

This one seems to be same bug as reported as below.

BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit