On 02.12.2021 16:35:43, Greg KH wrote:
On Wed, Dec 01, 2021 at 11:25:49AM +0100, Oleksij Rempel wrote:
From: Zhang Changzhong zhangchangzhong@huawei.com
commit 164051a6ab5445bd97f719f50b16db8b32174269 upstream.
The TP.CM_BAM message must be sent to the global address [1], so add a check to drop TP.CM_BAM sent to a non-global address.
Without this patch, the receiver will treat the following packets as normal RTS/CTS transport: 18EC0102#20090002FF002301 18EB0102#0100000000000000 18EB0102#020000FFFFFFFFFF
[1] SAE-J1939-82 2015 A.3.3 Row 1.
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Link: https://lore.kernel.org/all/1635431907-15617-4-git-send-email-zhangchangzhon... Cc: stable@vger.kernel.org Signed-off-by: Zhang Changzhong zhangchangzhong@huawei.com Acked-by: Oleksij Rempel o.rempel@pengutronix.de Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de
changes:
- rebase against v5.10.82
Now queued up, thanks! Can you also do this for 5.4.y?
Here you go: https://lore.kernel.org/all/20211202155256.2405492-1-mkl@pengutronix.de
Thanks, Marc