On Mon, Dec 02, 2024 at 03:53:49PM +0100, Johan Hovold wrote:

Hi Sasha,

On Sun, Dec 01, 2024 at 07:36:20AM -0500, Sasha Levin wrote:

...

This is a note to let you know that I've just added the patch titled

staging: greybus: uart: Fix atomicity violation in get_serial_info()

to the 6.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: staging-greybus-uart-fix-atomicity-violation-in-get_.patch and it can be found in the queue-6.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

commit 61937fd741031632e0a1337553e51b754748ca0d Author: Qiu-ji Chen chenqiuji666@gmail.com Date: Thu Nov 7 19:33:37 2024 +0800

staging: greybus: uart: Fix atomicity violation in get_serial_info()

[ Upstream commit fe0ebeafc3b723b2f8edf27ecec6d353b08397df ] Our static checker found a bug where set_serial_info() uses a mutex, but get_serial_info() does not. Fortunately, the impact of this is relatively minor. It doesn't cause a crash or any other serious issues. However, if a race condition occurs between set_serial_info() and get_serial_info(), there is a chance that the data returned by get_serial_info() will be meaningless. Signed-off-by: Qiu-ji Chen chenqiuji666@gmail.com Fixes: 0aad5ad563c8 ("greybus/uart: switch to ->[sg]et_serial()") Reviewed-by: Johan Hovold johan+linaro@kernel.org Reviewed-by: Dan Carpenter dan.carpenter@linaro.org Reviewed-by: Alex Elder elder@riscstar.com Link: https://lore.kernel.org/r/20241107113337.402042-1-chenqiuji666@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org

The CC stable tag was omitted on purpose here so please drop this one and any dependencies from all stable queues.

Now dropped from all queues, thanks.

greg k-h