Re: [PATCH 2/2] vdpa: Enable strict validation for netlinks ops

From: Greg KH
Date: Wed Jul 26 2023 - 15:28:04 EST


On Wed, Jul 26, 2023 at 09:49:44PM +0300, Dragos Tatulea wrote:
> The previous patch added the missing nla policies that were required for
> validation to work.
>
> Now strict validation on netlink ops can be enabled. This patch does it.
>
> Signed-off-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>
> ---
> drivers/vdpa/vdpa.c | 6 ------
> 1 file changed, 6 deletions(-)
>
> diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
> index f2f654fd84e5..a7612e0783b3 100644
> --- a/drivers/vdpa/vdpa.c
> +++ b/drivers/vdpa/vdpa.c
> @@ -1257,37 +1257,31 @@ static const struct nla_policy vdpa_nl_policy[VDPA_ATTR_MAX + 1] = {
> static const struct genl_ops vdpa_nl_ops[] = {
> {
> .cmd = VDPA_CMD_MGMTDEV_GET,
> - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> .doit = vdpa_nl_cmd_mgmtdev_get_doit,
> .dumpit = vdpa_nl_cmd_mgmtdev_get_dumpit,
> },
> {
> .cmd = VDPA_CMD_DEV_NEW,
> - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> .doit = vdpa_nl_cmd_dev_add_set_doit,
> .flags = GENL_ADMIN_PERM,
> },
> {
> .cmd = VDPA_CMD_DEV_DEL,
> - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> .doit = vdpa_nl_cmd_dev_del_set_doit,
> .flags = GENL_ADMIN_PERM,
> },
> {
> .cmd = VDPA_CMD_DEV_GET,
> - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> .doit = vdpa_nl_cmd_dev_get_doit,
> .dumpit = vdpa_nl_cmd_dev_get_dumpit,
> },
> {
> .cmd = VDPA_CMD_DEV_CONFIG_GET,
> - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> .doit = vdpa_nl_cmd_dev_config_get_doit,
> .dumpit = vdpa_nl_cmd_dev_config_get_dumpit,
> },
> {
> .cmd = VDPA_CMD_DEV_VSTATS_GET,
> - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> .doit = vdpa_nl_cmd_dev_stats_get_doit,
> .flags = GENL_ADMIN_PERM,
> },
> --
> 2.41.0
>

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>