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From: patchwork-bot+netdevbpf@kernel.org
To: Zhang Changzhong <zhangchangzhong@huawei.com>
Cc: xiyou.wangcong@gmail.com, davem@davemloft.net,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	jhs@mojatatu.com, jiri@resnulli.us, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, weiyongjun1@huawei.com
Subject: Re: [PATCH net] net/sched: cls_u32: skip hash tables in u32_bind_class()
Date: Wed, 12 Aug 2026 01:40:25 +0000	[thread overview]
Message-ID: <178649882538.1230679.17797134796377555251.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <1786089038-36366-1-git-send-email-zhangchangzhong@huawei.com>

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Fri, 7 Aug 2026 15:50:38 +0800 you wrote:
> u32_walk() enumerates both struct tc_u_hnode and struct tc_u_knode
> through the walker callback. u32_bind_class() unconditionally casts the
> passed fh to tc_u_knode and accesses &n->res, so when fh is actually a
> tc_u_hnode, which has no tcf_result member, this results in a
> slab-out-of-bounds read of res->classid in tc_cls_bind_class().
> 
> The issue can be reproduced with the following commands:
> 
> [...]

Here is the summary with links:
  - [net] net/sched: cls_u32: skip hash tables in u32_bind_class()
    https://git.kernel.org/netdev/net/c/6d3724e616fa

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-08-12  1:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-07  7:50 [PATCH net] net/sched: cls_u32: skip hash tables in u32_bind_class() Zhang Changzhong
2026-08-10 14:41 ` Jamal Hadi Salim
2026-08-12  1:40 ` patchwork-bot+netdevbpf [this message]

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