[PATCH] Bluetooth: fix corruption in h4_recv_buf() after cleanup
patchwork-bot+bluetooth at kernel.org
patchwork-bot+bluetooth at kernel.org
Thu Oct 23 14:40:07 PDT 2025
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz at intel.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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