linux-kernel - Re: [PATCH] net: lan78xx: fix division by zero in send path

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Date:   Tue, 26 Oct 2021 14:20:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Johan Hovold <johan@...nel.org>
Cc:     woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com,
        davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, Woojung.Huh@...rochip.com
Subject: Re: [PATCH] net: lan78xx: fix division by zero in send path

Hello:

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

On Tue, 26 Oct 2021 12:36:17 +0200 you wrote:
> Add the missing endpoint max-packet sanity check to probe() to avoid
> division by zero in lan78xx_tx_bh() in case a malicious device has
> broken descriptors (or when doing descriptor fuzz testing).
> 
> Note that USB core will reject URBs submitted for endpoints with zero
> wMaxPacketSize but that drivers doing packet-size calculations still
> need to handle this (cf. commit 2548288b4fb0 ("USB: Fix: Don't skip
> endpoint descriptors with maxpacket=0")).
> 
> [...]

Here is the summary with links:
  - net: lan78xx: fix division by zero in send path
    https://git.kernel.org/netdev/net/c/db6c3c064f5d

You are awesome, thank you!
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