linux-kernel - Re: [PATCH] net: stmmac: dwmac-rk: fix oob read in rk_gmac

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Message-Id: <163968790071.17466.7200435085941937139.git-patchwork-notify@kernel.org>
Date:   Thu, 16 Dec 2021 20:51:40 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     John Keeping <john@...anate.com>
Cc:     netdev@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
        joabreu@...opsys.com, davem@...emloft.net, kuba@...nel.org,
        mcoquelin.stm32@...il.com, david.wu@...k-chips.com,
        ezequiel@...guardiasur.com.ar,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: stmmac: dwmac-rk: fix oob read in rk_gmac_setup

Hello:

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

On Tue, 14 Dec 2021 19:10:09 +0000 you wrote:
> KASAN reports an out-of-bounds read in rk_gmac_setup on the line:
> 
> 	while (ops->regs[i]) {
> 
> This happens for most platforms since the regs flexible array member is
> empty, so the memory after the ops structure is being read here.  It
> seems that mostly this happens to contain zero anyway, so we get lucky
> and everything still works.
> 
> [...]

Here is the summary with links:
  - net: stmmac: dwmac-rk: fix oob read in rk_gmac_setup
    https://git.kernel.org/netdev/net/c/0546b224cc77

You are awesome, thank you!
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