Hi,
On 08/17/2016 10:07 AM, Greg KH wrote:
> On Wed, Aug 17, 2016 at 09:05:34AM +0200, Greg KH wrote:
>> On Wed, Aug 17, 2016 at 09:26:18AM +0300, Binyamin Sharet wrote:
>>> Hi,
>>>
>>> On 08/16/2016 05:39 PM, Alan Stern wrote:
>>>> On Tue, 16 Aug 2016, Binyamin Sharet wrote:
>>>>
>>>>> Kernel version: raspberrypi 4.4.6-v7+ #871
>>>>> Driver source file: drivers/input/misc/ati_remote2.c
>>>>> Umap2 command line: umap2vsscan -P <PHY> -s 0471:0602
>>>>>
>>>>> After connecting such a device, NULL pointer dereference in the kernel
>>>>> and USB stops responding.
>>>>>
>>>>> Binyamin Sharet
>>>>> Cisco, STARE-C
>>>>>
>>>>> << Attached: 0471_0602_dmesg.log >>
>>>> This bug was fixed by commit 950336ba3e4a ("Input: ati_remote2 - fix
>>>> crashes on detecting device with invalid descriptor") in the 4.6
>>>> kernel. The commit was marked for inclusion in the stable kernel
>>>> series, but it might not be included in 4.4.6.
>>>>
>>>> Alan Stern
>>>>
>>> I have retested this issue with ubuntu 16.04, using kernel 4.7-rc2
>>> this is the version that I was asked to test with on another issue
>>> and was not reproduced. In dmseg I got the message: "ati_remote need
>>> 2 interfaces, found 1".
>>>
>>> I am not sure that it mean it was fixed, and I will need to retest it
>>> with two interfaces, but I am not sure.
>>>
>>> Please let me know if I should be testing with a kernel version other
>>> than 4.7-rc2, as I'm not familiar with the procedures.
>> 4.7-rc2 is great, thanks for doing this.
> Oops, sorry, I mean 4.8-rc2 is the latest. Just grab Linus's git tree,
> that should be the best overall to test with, even when we get the
> numbers mixed up :)
>
> thanks,
>
> greg k-h
Updating my test system now, will retest all 11 cases and get
back with the results.
--
Binyamin Sharet,
Cisco, STARE-C
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