Re: [PATCH] can: j1939: fix missing CAN header initialization

From: Marc Kleine-Budde
Date: Fri Nov 04 2022 - 08:04:41 EST


On 04.11.2022 08:50:00, Oliver Hartkopp wrote:
> The read access to struct canxl_frame::len inside of a j1939 created skbuff
> revealed a missing initialization of reserved and later filled elements in
> struct can_frame.
>
> This patch initializes the 8 byte CAN header with zero.
>
> Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
> Cc: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> Link: https://lore.kernel.org/linux-can/20221104052235.GA6474@xxxxxxxxxxxxxx/T/#t
> Reported-by: syzbot+d168ec0caca4697e03b1@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>

Applied to linux-can + add stable on Cc.

Thanks,
Marc

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