From: patchwork-bot+netdevbpf@kernel.org
To: Xiang Mei <xmei5@asu.edu>
Cc: netdev@vger.kernel.org, jhs@mojatatu.com, jiri@resnulli.us,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
horms@kernel.org, shuah@kernel.org, bestswngs@gmail.com
Subject: Re: [PATCH net v3 1/3] net/sched: cls_fw: fix NULL pointer dereference on shared blocks
Date: Thu, 02 Apr 2026 13:20:10 +0000 [thread overview]
Message-ID: <177513601079.26443.3565261619233773362.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260331050217.504278-1-xmei5@asu.edu>
Hello:
This series was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Mon, 30 Mar 2026 22:02:15 -0700 you wrote:
> The old-method path in fw_classify() calls tcf_block_q() and
> dereferences q->handle. Shared blocks leave block->q NULL, causing a
> NULL deref when an empty cls_fw filter is attached to a shared block
> and a packet with a nonzero major skb mark is classified.
>
> Reject the configuration in fw_change() when the old method (no
> TCA_OPTIONS) is used on a shared block, since fw_classify()'s
> old-method path needs block->q which is NULL for shared blocks.
>
> [...]
Here is the summary with links:
- [net,v3,1/3] net/sched: cls_fw: fix NULL pointer dereference on shared blocks
https://git.kernel.org/netdev/net/c/faeea8bbf6e9
- [net,v3,2/3] net/sched: cls_flow: fix NULL pointer dereference on shared blocks
https://git.kernel.org/netdev/net/c/1a280dd4bd1d
- [net,v3,3/3] selftests/tc-testing: add tests for cls_fw and cls_flow on shared blocks
https://git.kernel.org/netdev/net/c/70f73562d278
You are awesome, thank you!
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Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-04-02 13:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 5:02 [PATCH net v3 1/3] net/sched: cls_fw: fix NULL pointer dereference on shared blocks Xiang Mei
2026-03-31 5:02 ` [PATCH net v3 2/3] net/sched: cls_flow: " Xiang Mei
2026-04-02 10:34 ` Jamal Hadi Salim
2026-03-31 5:02 ` [PATCH net v3 3/3] selftests/tc-testing: add tests for cls_fw and cls_flow " Xiang Mei
2026-04-02 10:34 ` Jamal Hadi Salim
2026-04-02 10:36 ` Victor Nogueira
2026-04-02 10:33 ` [PATCH net v3 1/3] net/sched: cls_fw: fix NULL pointer dereference " Jamal Hadi Salim
2026-04-02 13:20 ` patchwork-bot+netdevbpf [this message]
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