Re: KASAN caught amdgpu / HMM use-after-free

["Yang, Philip" <Philip.Yang@amd.com>]

Hi Alex,

Pushed, thanks.

mm/hmm: use reference counting for HMM struct

Philip

On 2019-02-27 1:32 p.m., Deucher, Alexander wrote:
> Go ahead an apply it to amd-staging-drm-next.  It'll naturally fall out 
> when I rebase it.
> 
> Alex
> ------------------------------------------------------------------------
> *From:* amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of 
> Yang, Philip <Philip.Yang@amd.com>
> *Sent:* Wednesday, February 27, 2019 1:05 PM
> *To:* Michel Dänzer; Jérôme Glisse
> *Cc:* linux-mm@kvack.org; amd-gfx@lists.freedesktop.org
> *Subject:* Re: KASAN caught amdgpu / HMM use-after-free
> amd-staging-drm-next will rebase to kernel 5.1 to pickup this fix
> automatically. As a short-term workaround, please cherry-pick this fix
> into your local repository.
> 
> Regards,
> Philip
> 
> On 2019-02-27 12:33 p.m., Michel Dänzer wrote:
>> On 2019-02-27 6:14 p.m., Yang, Philip wrote:
>>> Hi Michel,
>>>
>>> Yes, I found the same issue and the bug has been fixed by Jerome:
>>>
>>> 876b462120aa mm/hmm: use reference counting for HMM struct
>>>
>>> The fix is on hmm-for-5.1 branch, I cherry-pick it into my local branch
>>> to workaround the issue.
>> 
>> Please push it to amd-staging-drm-next, so that others don't run into
>> the issue as well.
>> 
>> 
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