linux-kernel - Re: Linux 4.9-rc4 double free from pp

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Message-ID: <fc890351-ee10-e1da-57f1-e45ece939e9b@osg.samsung.com>
Date:   Mon, 14 Nov 2016 09:45:54 -0700
From:   Shuah Khan <shuahkh@....samsung.com>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Shuah Khan <shuahkhan@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuahkh@....samsung.com>
Subject: Re: Linux 4.9-rc4 double free from pp_release()

On 11/09/2016 03:59 PM, Sudip Mukherjee wrote:
> Hi Shuah
> 
> On Wednesday 09 November 2016 10:04 PM, Shuah Khan wrote:
>> Hi Sudip/Greg,
>>
>> I am seeing the following double free from pp_release() in Linux 4.9-rc4
>> Is this a known problem?
> 
> Can you please check if the patch at [1] fixes the problem.
> 
> [1] https://patchwork.kernel.org/patch/9404815/
> 
> 
> Regards
> Sudip
> 
> 

Hi Sudip,

Yes the above patch fixed the problem. I tested it on 4.9-rc5

thanks,
-- Shuah