linux-kernel - Re: [PATCH] stmmac_pci: Fix underflow size in stmmac

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Message-Id: <163732321141.14736.10382429911164710117.git-patchwork-notify@kernel.org>
Date:   Fri, 19 Nov 2021 12:00:11 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Zekun Shen <bruceshenzk@...il.com>
Cc:     peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
        joabreu@...opsys.com, davem@...emloft.net, kuba@...nel.org,
        mcoquelin.stm32@...il.com, netdev@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        brendandg@....edu
Subject: Re: [PATCH] stmmac_pci: Fix underflow size in stmmac_rx

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Thu, 18 Nov 2021 16:42:47 -0500 you wrote:
> This bug report came up when we were testing the device driver
> by fuzzing. It shows that buf1_len can get underflowed and be
> 0xfffffffc (4294967292).
> 
> This bug is triggerable with a compromised/malfunctioning device.
> We found the bug through QEMU emulation tested the patch with
> emulation. We did NOT test it on real hardware.
> 
> [...]

Here is the summary with links:
  - stmmac_pci: Fix underflow size in stmmac_rx
    https://git.kernel.org/netdev/net/c/0f296e782f21

You are awesome, thank you!
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