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Date:   Thu, 30 Aug 2018 18:36:18 -0700
From:   Daniel Rosenberg <drosen@...gle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH] staging: android: ion: check for kref overflow

On 08/30/2018 05:41 PM, Greg Kroah-Hartman wrote:
> On Thu, Aug 30, 2018 at 04:09:46PM -0700, Daniel Rosenberg wrote:
>> This patch is against 4.9. It does not apply to master due to a large
>> rework of ion in 4.12 which removed the affected functions altogther.
>> 4c23cbff073f3b9b ("staging: android: ion: Remove import interface")
>>
>> Userspace can cause the kref to handles to increment
>> arbitrarily high. Ensure it does not overflow.
>>
>> Signed-off-by: Daniel Rosenberg <drosen@...gle.com>
>> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> I signed off on this?  Where?  When?  Are you sure?
>
> greg k-h
The sign off was on the 4.4.y version that I cherry-picked this from. 
There was a trivial conflict moving it to 4.9, but it did not modify any 
changed lines, so I hadn't thought that was worth noting on the patch. I 
apologise if leaving the signed-off-by was incorrect here.

-Daniel

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