From: patchwork-bot+netdevbpf@kernel.org
To: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org, andrew+netdev@lunn.ch,
netdev@vger.kernel.org, xiyou.wangcong@gmail.com,
jiri@resnulli.us, victor@mojatatu.com, km.kim1503@gmail.com,
security@kernel.org
Subject: Re: [PATCH net 0/3] net/sched: teql: Enforce hierarchy placement
Date: Mon, 19 Jan 2026 20:20:09 +0000 [thread overview]
Message-ID: <176885400979.123996.17622042838765819298.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260114160243.913069-1-jhs@mojatatu.com>
Hello:
This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 14 Jan 2026 11:02:40 -0500 you wrote:
> GangMin Kim <km.kim1503@gmail.com> managed to create a UAF on qfq by inserting
> teql as a child qdisc and exploiting a qlen sync issue.
> teql is not intended to be used as a child qdisc. Lets enforce that rule in
> patch #1. Although patch #1 fixes the issue, we prevent another potential qlen
> exploit in qfq in patch #2 by enforcing the child's active status is not
> determined by inspecting the qlen. In patch #3 we add a tdc test case.
>
> [...]
Here is the summary with links:
- [net,1/3] net/sched: Enforce that teql can only be used as root qdisc
https://git.kernel.org/netdev/net/c/50da4b9d07a7
- [net,2/3] net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag
https://git.kernel.org/netdev/net/c/d837fbee9245
- [net,3/3] selftests/tc-testing: Try to add teql as a child qdisc
https://git.kernel.org/netdev/net/c/2460f31e6e44
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-01-19 20:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-14 16:02 [PATCH net 0/3] net/sched: teql: Enforce hierarchy placement Jamal Hadi Salim
2026-01-14 16:02 ` [PATCH net 1/3] net/sched: Enforce that teql can only be used as root qdisc Jamal Hadi Salim
2026-01-14 16:02 ` [PATCH net 2/3] net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag Jamal Hadi Salim
2026-01-14 16:02 ` [PATCH net 3/3] selftests/tc-testing: Try to add teql as a child qdisc Jamal Hadi Salim
2026-01-15 19:16 ` [PATCH net 0/3] net/sched: teql: Enforce hierarchy placement Cong Wang
2026-01-16 14:46 ` Jamal Hadi Salim
2026-01-19 20:20 ` patchwork-bot+netdevbpf [this message]
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