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Subject: Re: [iw_cxgb4 linux-4.14.y] iw_cxgb4: only allow 1 flush on user qps
To: Greg KH <gregkh@linuxfoundation.org>
Cc: stable@vger.kernel.org
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 <20180926202029.GA23881@kroah.com>
From: Steve Wise <swise@opengridcomputing.com>
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Date: Wed, 26 Sep 2018 15:40:27 -0500
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On 9/26/2018 3:20 PM, Greg KH wrote:
> On Mon, Sep 24, 2018 at 10:38:52AM -0700, Steve Wise wrote:
>> commit 308aa2b8f7b7db3332a7d41099fd37851fb793b2 upstream
>>
>> Once the qp has been flushed, it cannot be flushed again.  The user qp
>> flush logic wasn't enforcing it however.  The bug can cause
>> touch-after-free crashes like:
> 
> I've applied the 4.14 and 4.18 patch.
> 
> What about 4.9.y?

huh.  Guess I missed that. :(  I'll send it out soon. Sorry!

Steve.