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Date:   Thu, 26 May 2022 14:16:07 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Cc:     Magnus Karlsson <magnus.karlsson@gmail.com>, sashal@kernel.org,
        stable@vger.kernel.org, bjorn@kernel.org,
        Magnus Karlsson <magnus.karlsson@intel.com>,
        Jeff Shaw <jeffrey.b.shaw@intel.com>
Subject: Re: [PATCH 5.15] ice: fix crash at allocation failure
Message-ID: <Yo9vh9Pb6q5u8WhS@kroah.com>
References: <20220525071953.27755-1-magnus.karlsson@gmail.com>
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On Wed, May 25, 2022 at 11:46:52AM +0200, Maciej Fijalkowski wrote:
> On Wed, May 25, 2022 at 09:19:53AM +0200, Magnus Karlsson wrote:
> > From: Magnus Karlsson <magnus.karlsson@intel.com>
> > 
> > Fix a crash in the zero-copy driver that occurs when it fails to
> > allocate buffers from user-space. This crash can easily be triggered
> > by a malicious program that does not provide any buffers in the fill
> > ring for the kernel to use.
> > 
> > Note that this bug does not exist in upstream since the batched buffer
> > allocation interface got introduced in 5.16 and replaced this code.
> > 
> > Reported-by: Jeff Shaw <jeffrey.b.shaw@intel.com>
> > Tested-by: Jeff Shaw <jeffrey.b.shaw@intel.com>
> > Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
> 
> Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
> 

Now queued up, thanks.

greg k-h