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, bpf@vger.kernel.org,
YuvalE@radware.com
Subject: Re: [PATCH bpf 0/2] Revert "xsk: support redirect to any socket bound to the same umem"
Date: Wed, 05 Jun 2024 07:50:30 +0000 [thread overview]
Message-ID: <171757383091.23600.1874186480870306313.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240604122927.29080-1-magnus.karlsson@gmail.com>
Hello:
This series was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:
On Tue, 4 Jun 2024 14:29:24 +0200 you wrote:
> Revert "xsk: support redirect to any socket bound to the same umem"
>
> This patch introduced a potential kernel crash when multiple napi
> instances redirect to the same AF_XDP socket. By removing the
> queue_index check, it is possible for multiple napi instances to
> access the Rx ring at the same time, which will result in a corrupted
> ring state which can lead to a crash when flushing the rings in
> __xsk_flush(). This can happen when the linked list of sockets to
> flush gets corrupted by concurrent accesses. A quick and small fix is
> unfortunately not possible, so let us revert this for now.
>
> [...]
Here is the summary with links:
- [bpf,1/2] Revert "xsk: support redirect to any socket bound to the same umem"
https://git.kernel.org/bpf/bpf/c/7fcf26b315bb
- [bpf,2/2] Revert "xsk: document ability to redirect to any socket bound to the same umem"
https://git.kernel.org/bpf/bpf/c/03e38d315f3c
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2024-06-05 7:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-04 12:29 [PATCH bpf 0/2] Revert "xsk: support redirect to any socket bound to the same umem" Magnus Karlsson
2024-06-04 12:29 ` [PATCH bpf 1/2] " Magnus Karlsson
2024-06-04 12:29 ` [PATCH bpf 2/2] Revert "xsk: document ability to " Magnus Karlsson
2024-06-04 23:03 ` [PATCH bpf 0/2] Revert "xsk: support " Willem de Bruijn
2024-06-05 7:45 ` Magnus Karlsson
2024-06-05 19:28 ` Willem de Bruijn
2024-06-05 7:50 ` patchwork-bot+netdevbpf [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=171757383091.23600.1874186480870306313.git-patchwork-notify@kernel.org \
--to=patchwork-bot+netdevbpf@kernel.org \
--cc=YuvalE@radware.com \
--cc=ast@kernel.org \
--cc=bjorn@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=maciej.fijalkowski@intel.com \
--cc=magnus.karlsson@gmail.com \
--cc=magnus.karlsson@intel.com \
--cc=netdev@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