From: patchwork-bot+netdevbpf@kernel.org
To: Chia-Yu Chang (Nokia) <chia-yu.chang@nokia-bell-labs.com>
Cc: victor@mojatatu.com, hxzene@gmail.com,
linux-hardening@vger.kernel.org, kees@kernel.org,
gustavoars@kernel.org, jhs@mojatatu.com, jiri@resnulli.us,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, horms@kernel.org, ij@kernel.org,
ncardwell@google.com, koen.de_schepper@nokia-bell-labs.com,
g.white@cablelabs.com, ingemar.s.johansson@ericsson.com,
mirja.kuehlewind@ericsson.com, cheshire@apple.com,
rs.ietf@gmx.at, Jason_Livingood@comcast.com,
vidhi_goel@apple.com
Subject: Re: [PATCH v3 net 1/1] net/sched: sch_dualpi2: drain both C-queue and L-queue in dualpi2_change()
Date: Tue, 21 Apr 2026 13:10:10 +0000 [thread overview]
Message-ID: <177677701024.2399510.3164974567553256757.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260417152551.71648-1-chia-yu.chang@nokia-bell-labs.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Fri, 17 Apr 2026 17:25:51 +0200 you wrote:
> From: Chia-Yu Chang <chia-yu.chang@nokia-bell-labs.com>
>
> Fix dualpi2_change() to correctly enforce updated limit and memlimit
> values after a configuration change of the dualpi2 qdisc.
>
> Before this patch, dualpi2_change() always attempted to dequeue packets
> via the root qdisc (C-queue) when reducing backlog or memory usage, and
> unconditionally assumed that a valid skb will be returned. When traffic
> classification results in packets being queued in the L-queue while the
> C-queue is empty, this leads to a NULL skb dereference during limit or
> memlimit enforcement.
>
> [...]
Here is the summary with links:
- [v3,net,1/1] net/sched: sch_dualpi2: drain both C-queue and L-queue in dualpi2_change()
https://git.kernel.org/netdev/net/c/478ed6b7d257
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-04-21 13:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-17 15:25 [PATCH v3 net 1/1] net/sched: sch_dualpi2: drain both C-queue and L-queue in dualpi2_change() chia-yu.chang
2026-04-21 13:10 ` patchwork-bot+netdevbpf [this message]
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