On Thu, Dec 02, 2021 at 04:52:56PM +0100, Marc Kleine-Budde wrote:
> From: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx>
>
> 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-zhangchangzhong@xxxxxxxxxx
> Link: https://lore.kernel.org/all/20211201102549.3079360-1-o.rempel@xxxxxxxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx>
> Acked-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> ---
> changes:
> - rebase against v5.4.162
Now queued up, thanks.
greg k-h
