netdev - Re: [PATCH v2] net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo

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Message-Id: 
 <176775000629.2194089.18152172133277668812.git-patchwork-notify@kernel.org>
Date: Wed, 07 Jan 2026 01:40:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Shivani Gupta <shivani07g@...il.com>
Cc: netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
 jiri@...nulli.us, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, horms@...nel.org,
 syzbot+8f1c492ffa4644ff3826@...kaller.appspotmail.com
Subject: Re: [PATCH v2] net/sched: act_api: avoid dereferencing ERR_PTR in
 tcf_idrinfo_destroy

Hello:

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

On Mon,  5 Jan 2026 00:59:05 +0000 you wrote:
> syzbot reported a crash in tc_act_in_hw() during netns teardown where
> tcf_idrinfo_destroy() passed an ERR_PTR(-EBUSY) value as a tc_action
> pointer, leading to an invalid dereference.
> 
> Guard against ERR_PTR entries when iterating the action IDR so teardown
> does not call tc_act_in_hw() on an error pointer.
> 
> [...]

Here is the summary with links:
  - [v2] net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy
    https://git.kernel.org/netdev/net/c/adb25a46dc0a

You are awesome, thank you!
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