From: patchwork-bot+netdevbpf@kernel.org
To: Dudu Lu <phx0fer@gmail.com>
Cc: vinicius.gomes@intel.com, jhs@mojatatu.com, jiri@resnulli.us,
netdev@vger.kernel.org
Subject: Re: [PATCH net] net/sched: taprio: unwind the netdevice notifier if register_qdisc() fails
Date: Mon, 26 Oct 2026 23:30:10 +0000 [thread overview]
Message-ID: <179305741081.3456332.957586637723940788.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261021155417.66254-1-phx0fer@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 21 Oct 2026 23:54:17 +0800 you wrote:
> taprio_module_init() registers taprio_device_notifier and then returns
> register_qdisc()'s error directly. When register_qdisc() fails the
> notifier stays registered, but the loader's failure path frees the module
> image without ever calling the __exit function, so netdev_chain is left
> pointing at taprio_device_notifier.notifier_call -- a function pointer
> that lives in text that has just been freed.
>
> [...]
Here is the summary with links:
- [net] net/sched: taprio: unwind the netdevice notifier if register_qdisc() fails
https://git.kernel.org/netdev/net/c/c5234f89d7cb
You are awesome, thank you!
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prev parent reply other threads:[~2026-10-26 23:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 15:54 [PATCH net] net/sched: taprio: unwind the netdevice notifier if register_qdisc() fails Dudu Lu
2026-10-21 15:58 ` netdev-bot+sinfo
2026-10-22 4:59 ` phx
2026-10-23 10:59 ` Simon Horman
2026-10-26 23:30 ` patchwork-bot+netdevbpf [this message]
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