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Message-ID: <0000000000006a41440615a6b909@google.com>
Date: Tue, 09 Apr 2024 02:41:19 -0700
From: syzbot <syzbot+ecd7e07b4be038658c9f@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] Re: [PATCH net-next] net: team: fix incorrect maxattr
For archival purposes, forwarding an incoming command email to
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***
Subject: Re: [PATCH net-next] net: team: fix incorrect maxattr
Author: liuhangbin@...il.com
On Tue, Apr 09, 2024 at 05:28:12PM +0800, Hangbin Liu wrote:
> The maxattr should be the latest attr value, i.e. array size - 1,
> not total array size.
>
> Reported-by: syzbot+ecd7e07b4be038658c9f@...kaller.appspotmail.com
> Fixes: 948dbafc15da ("net: team: use policy generated by YAML spec")
> Suggested-by: Jakub Kicinski <kuba@...nel.org>
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
> ---
> drivers/net/team/team_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c
> index 4e3c8d404957..8c7dbaf7c22e 100644
> --- a/drivers/net/team/team_core.c
> +++ b/drivers/net/team/team_core.c
> @@ -2808,7 +2808,7 @@ static const struct genl_multicast_group team_nl_mcgrps[] = {
> static struct genl_family team_nl_family __ro_after_init = {
> .name = TEAM_GENL_NAME,
> .version = TEAM_GENL_VERSION,
> - .maxattr = ARRAY_SIZE(team_nl_policy),
> + .maxattr = ARRAY_SIZE(team_nl_policy) - 1,
> .policy = team_nl_policy,
> .netnsok = true,
> .module = THIS_MODULE,
> --
> 2.43.0
>
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git main
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