From: patchwork-bot+netdevbpf@kernel.org
To: Victor Nogueira <victor@mojatatu.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, jhs@mojatatu.com, jiri@resnulli.us,
horms@kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH net v2] net/sched: sch_htb: limit htb_classify inner-class filter hops
Date: Thu, 27 Aug 2026 20:00:16 +0000 [thread overview]
Message-ID: <178786081689.1822702.7289627258613833642.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260826143339.271935-1-victor@mojatatu.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 26 Aug 2026 11:33:39 -0300 you wrote:
> From: Jamal Hadi Salim <jhs@mojatatu.com>
>
> htb_classify() follows each filter-selected inner class by switching
> to cl->filter_list, but never bounds the number of hops. A filter on
> an inner class can point back to itself or to another inner class that
> points back, creating an infinite loop in the packet classification
> path with the qdisc lock held and BH disabled — a soft lockup / panic
> from a single packet.
>
> [...]
Here is the summary with links:
- [net,v2] net/sched: sch_htb: limit htb_classify inner-class filter hops
https://git.kernel.org/netdev/net/c/729c4896ab82
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-08-27 20:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 14:33 [PATCH net v2] net/sched: sch_htb: limit htb_classify inner-class filter hops Victor Nogueira
2026-08-26 15:32 ` Eric Dumazet
2026-08-27 20:00 ` patchwork-bot+netdevbpf [this message]
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