From: patchwork-bot+netdevbpf@kernel.org
To: Ben Hutchings <ben@decadent.org.uk>
Cc: netdev@vger.kernel.org, tglx@linutronix.de,
linux-kernel@vger.kernel.org, elic@nvidia.com
Subject: Re: [PATCH net] lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release()
Date: Thu, 08 Jun 2023 04:30:20 +0000 [thread overview]
Message-ID: <168619862035.10114.4240315179189704298.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <ZHo0vwquhOy3FaXc@decadent.org.uk>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.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@decadent.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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prev parent reply other threads:[~2023-06-08 4:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-02 18:28 [PATCH net] lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release() Ben Hutchings
2023-06-06 8:18 ` Simon Horman
2023-06-06 10:59 ` Paolo Abeni
2023-06-08 4:30 ` patchwork-bot+netdevbpf [this message]
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