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
prev parent 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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Yo9vh9Pb6q5u8WhS@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=bjorn@kernel.org \
--cc=jeffrey.b.shaw@intel.com \
--cc=maciej.fijalkowski@intel.com \
--cc=magnus.karlsson@gmail.com \
--cc=magnus.karlsson@intel.com \
--cc=sashal@kernel.org \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox