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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
Date: Thu, 26 May 2022 14:16:07 +0200	[thread overview]
Message-ID: <Yo9vh9Pb6q5u8WhS@kroah.com> (raw)
In-Reply-To: <Yo37DLxvEAf2aYGB@boxer>

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

      reply	other threads:[~2022-05-26 12:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-25  7:19 [PATCH 5.15] ice: fix crash at allocation failure Magnus Karlsson
2022-05-25  9:46 ` Maciej Fijalkowski
2022-05-26 12:16   ` Greg KH [this message]

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