netdev - Re: [PATCH net] selftests/tc-testing: Create test cases for adding qdiscs to invalid qdisc parents

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Message-Id: 
 <175253940659.4037397.15273616232830002589.git-patchwork-notify@kernel.org>
Date: Tue, 15 Jul 2025 00:30:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Victor Nogueira <victor@...atatu.com>
Cc: jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
 kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
 pctammela@...atatu.com
Subject: Re: [PATCH net] selftests/tc-testing: Create test cases for adding
 qdiscs
 to invalid qdisc parents

Hello:

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

On Sat, 12 Jul 2025 11:50:35 -0300 you wrote:
> As described in a previous commit [1], Lion's patch [2] revealed an ancient
> bug in the qdisc API. Whenever a user tries to add a qdisc to an
> invalid parent (not a class, root, or ingress qdisc), the qdisc API will
> detect this after qdisc_create is called. Some qdiscs (like fq_codel, pie,
> and sfq) call functions (on their init callback) which assume the parent is
> valid, so qdisc_create itself may have caused a NULL pointer dereference in
> such cases.
> 
> [...]

Here is the summary with links:
  - [net] selftests/tc-testing: Create test cases for adding qdiscs to invalid qdisc parents
    https://git.kernel.org/netdev/net/c/e18f348632ec

You are awesome, thank you!
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