[linux-yocto] fa3c776f1c47bd8cdbaaf1080420a67d4bfdc867 causing kernel stack corruption

[Yong, Jonathan]

On 04/27/2016 11:39, Yong, Jonathan wrote:
> On 04/26/2016 20:52, Bruce Ashfield wrote:
>> On 2016-04-26 12:55 AM, Yong, Jonathan wrote:
>>> Hi,
>>>
>>> I'm seeing kernel stack corruptions in thermal_zone_device_register with
>>> fa3c776f1c47bd8cdbaaf1080420a67d4bfdc867. After reviewing the patch, I'm
>>> not see how it could cause a crash:
>>>
>>
>> That's part of the -stable updates .. so that would be rare indeed
>> if it was the cause of the problem.
>>
>> What board are you booting ? I'm not seeing any crashes in my test
>> boots.
>>
>> Bruce
>
> This happens on the Skylake Saddle Brook platform. I'm not seeing how it
> could crash either, but I've replicated it with 2 clean kernel rebuilds
> just to make sure all the modules are rebuilt with the new structure.
> I'll be trying again soon to check if it is a compiler bug.
>
> The kernel was also built with CC_STACKPROTECTOR_STRONG.
>

Changing compilers isn't helping either, weird.