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From: patchwork-bot+netdevbpf@kernel.org
To: Magnus Karlsson <magnus.karlsson@gmail.com>
Cc: magnus.karlsson@intel.com, bjorn@kernel.org, ast@kernel.org,
	daniel@iogearbox.net, netdev@vger.kernel.org,
	maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com,
	bpf@vger.kernel.org, xuanzhuo@linux.alibaba.com
Subject: Re: [PATCH bpf v2] xsk: fix broken Tx ring validation
Date: Fri, 18 Jun 2021 15:10:03 +0000	[thread overview]
Message-ID: <162402900355.14256.7025664905117630187.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20210618075805.14412-1-magnus.karlsson@gmail.com>

Hello:

This patch was applied to bpf/bpf.git (refs/heads/master):

On Fri, 18 Jun 2021 09:58:05 +0200 you wrote:
> From: Magnus Karlsson <magnus.karlsson@intel.com>
> 
> Fix broken Tx ring validation for AF_XDP. The commit under the Fixes
> tag, fixed an off-by-one error in the validation but introduced
> another error. Descriptors are now let through even if they straddle a
> chunk boundary which they are not allowed to do in aligned mode. Worse
> is that they are let through even if they straddle the end of the umem
> itself, tricking the kernel to read data outside the allowed umem
> region which might or might not be mapped at all.
> 
> [...]

Here is the summary with links:
  - [bpf,v2] xsk: fix broken Tx ring validation
    https://git.kernel.org/bpf/bpf/c/f654fae47e83

You are awesome, thank you!
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      parent reply	other threads:[~2021-06-18 15:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-18  7:58 [PATCH bpf v2] xsk: fix broken Tx ring validation Magnus Karlsson
2021-06-18 13:33 ` Björn Töpel
2021-06-18 15:10 ` patchwork-bot+netdevbpf [this message]

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