Re: BUG: unable to handle kernel paging request in ipcget

[Kees Cook]

On Sat, Dec 23, 2017 at 2:07 AM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
> On Sat, Dec 23, 2017 at 10:59 AM, Manfred Spraul
> <manfred@xxxxxxxxxxxxxxxx> wrote:
>> Hi,
>>
>> On 12/23/2017 08:33 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.
>>>
>> Is one of the recent issues reproducible?
>
> Which one do you mean?
> syzbot always provides up-to-date status of reproducers for all reported bugs.
>
>> Either something is wrong with the faster ipc_get, or the improved ipc_get
>> makes issues in other areas visible.
>>
>> --
>>     Manfred
>>
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Was this report related to the recent set of kmalloc-1024 false positives?

-Kees

-- 
Kees Cook
Pixel Security