linux-kernel - Re: [PATCH] Bluetooth: fix corruption in h4_recv

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Message-Id: 
 <176125560702.3260295.10385824633115850837.git-patchwork-notify@kernel.org>
Date: Thu, 23 Oct 2025 21:40:07 +0000
From: patchwork-bot+bluetooth@...nel.org
To: Calvin Owens <calvin@...nvd.org>
Cc: linux-kernel@...r.kernel.org, marcel@...tmann.org, luiz.dentz@...il.com,
 sean.wang@...iatek.com, matthias.bgg@...il.com,
 angelogioacchino.delregno@...labora.com, amitkumar.karwar@....com,
 neeraj.sanjaykale@....com, yang.li@...ogic.com, pmenzel@...gen.mpg.de,
 linux-bluetooth@...r.kernel.org, linux-mediatek@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
 francesco@...la.it
Subject: Re: [PATCH] Bluetooth: fix corruption in h4_recv_buf() after cleanup

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@...el.com>:

On Thu, 23 Oct 2025 11:47:19 -0700 you wrote:
> Thanks to Francesco Valla's investigation, the reason for the duplicate
> code I recently cleaned up is finally clear: a different structure is
> stored in drvdata for the drivers which used that duplicate function,
> but h4_recv_buf() assumes drvdata is always an hci_uart structure.
> 
> Consequently, alignment and padding are now randomly corrupted for
> btmtkuart, btnxpuart, and bpa10x in h4_recv_buf(), causing erratic
> breakage.
> 
> [...]

Here is the summary with links:
  - Bluetooth: fix corruption in h4_recv_buf() after cleanup
    https://git.kernel.org/bluetooth/bluetooth-next/c/1aaa18cc80c5

You are awesome, thank you!
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