netdev - Re: [PATCH net] net: sched: flower: protect fl

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Message-Id: <163300500736.24074.11602716887495391799.git-patchwork-notify@kernel.org>
Date:   Thu, 30 Sep 2021 12:30:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Vlad Buslov <vladbu@...dia.com>
Cc:     davem@...emloft.net, kuba@...nel.org, xiyou.wangcong@...il.com,
        jhs@...atatu.com, jiri@...nulli.us, netdev@...r.kernel.org
Subject: Re: [PATCH net] net: sched: flower: protect fl_walk() with rcu

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed, 29 Sep 2021 18:08:49 +0300 you wrote:
> Patch that refactored fl_walk() to use idr_for_each_entry_continue_ul()
> also removed rcu protection of individual filters which causes following
> use-after-free when filter is deleted concurrently. Fix fl_walk() to obtain
> rcu read lock while iterating and taking the filter reference and temporary
> release the lock while calling arg->fn() callback that can sleep.
> 
> KASAN trace:
> 
> [...]

Here is the summary with links:
  - [net] net: sched: flower: protect fl_walk() with rcu
    https://git.kernel.org/netdev/net/c/d5ef190693a7

You are awesome, thank you!
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