From: patchwork-bot+netdevbpf@kernel.org
To: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: netdev@vger.kernel.org, victor@mojatatu.com, jiri@resnulli.us,
davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org,
pabeni@redhat.com, vinicius.gomes@intel.com, horms@kernel.org,
hawk@kernel.org, daniel@iogearbox.net, sashiko-bot@kernel.org,
bpf@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net v6] net/sched: clamp skb->queue_mapping before indexing the tx queue
Date: Tue, 03 Nov 2026 21:40:04 +0000 [thread overview]
Message-ID: <179374200480.1894115.5049965810872091350.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <QDISC-MD1X.v6.r0.20261029162633-1@mojatatu.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Thu, 29 Oct 2026 16:36:31 -0400 you wrote:
> This issue was caught by Sashiko (nipa). A producer-side path cap is
> already merged (ea4d4b5dddb5); this patch adds the matching consumer-side
> caps.
>
> The issue:
> The tx queue is picked and capped in netdev_core_pick_tx() before the
> __dev_xmit_skb() qdisc enqueue path. A tc BPF program running inside an
> egress qdisc (not clsact) can then change __sk_buff->queue_mapping; that
> store is never re-checked. bpf_convert_ctx_access() bounds it only by
> NO_QUEUE_MAPPING, not by the device's queue count.
>
> [...]
Here is the summary with links:
- [net,v6] net/sched: clamp skb->queue_mapping before indexing the tx queue
https://git.kernel.org/netdev/net/c/f19f2b308beb
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-11-03 21:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-29 20:36 [PATCH net v6] net/sched: clamp skb->queue_mapping before indexing the tx queue Jamal Hadi Salim
2026-11-03 10:50 ` Simon Horman
2026-11-03 10:58 ` Jamal Hadi Salim
2026-11-03 21:40 ` patchwork-bot+netdevbpf [this message]
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