Re: [nfsd4] potentially hardware breaking regression in 4.14-rc and 4.13.11

From: Patrick McLean
Date: Fri Nov 17 2017 - 20:54:19 EST




On 2017-11-17 04:55 PM, Linus Torvalds wrote:
> On Fri, Nov 17, 2017 at 4:27 PM, Patrick McLean <chutzpah@xxxxxxxxxx> wrote:
>>
>> I am still getting the crash at d9e12200852d, I figured I would
>> double-check the "good" and "bad" kernels before starting a full bisect.
>
> .. but without GCC_PLUGIN_RANDSTRUCT it's solid?

Yes, without GCC_PLUGIN_RANDSTRUCT it's solid.

> Kees removed even the baseline "randomize pure function pointer
> structures", so at that commit, nothing should be randomized.
>
> But maybe the plugin code itself ends up confusing gcc somehow?
>
> Even when it doesn't actually do that "relayout_struct()" on the
> structure, it always does those TYPE_ATTRIBUTES() games.