Re: BUG: spinlock bad magic (2)

From: Dmitry Vyukov
Date: Mon Dec 18 2017 - 12:02:03 EST


On Mon, Dec 18, 2017 at 5:46 PM, Santosh Shilimkar
<santosh.shilimkar@xxxxxxxxxx> wrote:
> 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

Hi Santosh,

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