netdev - Re: [PATCH] vhost_net: fix OoB on sendmsg() failure.

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Date:   Thu, 09 Sep 2021 10:00:06 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, mst@...hat.com, jasowang@...hat.com,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] vhost_net: fix OoB on sendmsg() failure.

Hello:

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

On Wed,  8 Sep 2021 13:42:09 +0200 you wrote:
> If the sendmsg() call in vhost_tx_batch() fails, both the 'batched_xdp'
> and 'done_idx' indexes are left unchanged. If such failure happens
> when batched_xdp == VHOST_NET_BATCH, the next call to
> vhost_net_build_xdp() will access and write memory outside the xdp
> buffers area.
> 
> Since sendmsg() can only error with EBADFD, this change addresses the
> issue explicitly freeing the XDP buffers batch on error.
> 
> [...]

Here is the summary with links:
  - vhost_net: fix OoB on sendmsg() failure.
    https://git.kernel.org/netdev/net/c/3c4cea8fa7f7

You are awesome, thank you!
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