linux-kernel - Re: [PATCH net] lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap

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Message-Id: <168619862035.10114.4240315179189704298.git-patchwork-notify@kernel.org>
Date:   Thu, 08 Jun 2023 04:30:20 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Ben Hutchings <ben@...adent.org.uk>
Cc:     netdev@...r.kernel.org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, elic@...dia.com
Subject: Re: [PATCH net] lib: cpu_rmap: Fix potential use-after-free in
 irq_cpu_rmap_release()

Hello:

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

On Fri, 2 Jun 2023 20:28:15 +0200 you wrote:
> irq_cpu_rmap_release() calls cpu_rmap_put(), which may free the rmap.
> So we need to clear the pointer to our glue structure in rmap before
> doing that, not after.
> 
> Fixes: 4e0473f1060a ("lib: cpu_rmap: Avoid use after free on rmap->obj ...")
> Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> 
> [...]

Here is the summary with links:
  - [net] lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release()
    https://git.kernel.org/netdev/net/c/7c5d4801ecf0

You are awesome, thank you!
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