On 10/31/22 09:12, Ziyang Xuan via dev wrote:
> I got a warning using the latest mainline codes to start vms as following:
>
> ===================================================
> WARNING: CPU: 1 PID: 1 at net/netlink/genetlink.c:383
> genl_register_family+0x6c/0x76c
> CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc2-00886-g882ad2a2a8ff #43
> ...
> Call trace:
> genl_register_family+0x6c/0x76c
> dp_init+0xa8/0x124
> do_one_initcall+0x84/0x450
>
> It is because that commit 9c5d03d36251 ("genetlink: start to validate
> reserved header bytes") has missed the resv_start_op initialization
> for dp_vport_genl_family, and commit ce48ebdd5651 ("genetlink: limit
> the use of validation workarounds to old ops") add checking warning.
>
> Add resv_start_op initialization for dp_vport_genl_family to fix it.
>
> Fixes: 9c5d03d36251 ("genetlink: start to validate reserved header bytes")
> Signed-off-by: Ziyang Xuan <[email protected]>
> ---
Hi, Ziyang Xuan. Thanks for the patch!
But it looks like Jakub already fixed that issue a couple of days ago:
https://git.kernel.org/netdev/net/c/e4ba4554209f
Best regards, Ilya Maximets.
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