On 1/20/21 12:41 PM, Vincent Mailhol wrote:
> After calling netif_rx_ni(skb), dereferencing skb is unsafe.
> Especially, the can_frame cf which aliases skb memory is accessed
> after the netif_rx_ni() in:
> stats->rx_bytes += cf->len;
>
> Reordering the lines solves the issue.
>
> Fixes: 39549eef3587 ("can: CAN Network device driver and Netlink interface")
> Signed-off-by: Vincent Mailhol <mailhol.vinc...@wanadoo.fr>
> ---
> *Remark for upstream*
> drivers/net/can/dev.c has been moved to drivers/net/can/dev/dev.c in
> below commit, please carry the patch forward.
> Reference: 3e77f70e7345 ("can: dev: move driver related infrastructure
> into separate subdir")I've send a pull request to Jakub and David. Let's see what happens :) Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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