Re: [PATCH] team: fix qom_list corruption by using list_del_init_rcu()

[syzbot <syzbot+422806e5f4cce722a71f@syzkaller.appspotmail.com>]

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

This crash does not have a reproducer. I cannot test it.

>
> Reported-by: syzbot+422806e5f4cce722a71f@syzkaller.appspotmail.com
> Signed-off-by: Dharanitharan R <dharanitharan725@gmail.com>
> ---
>  drivers/net/team/team_core.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c
> index 4d5c9ae8f221..d6d724b52dbf 100644
> --- a/drivers/net/team/team_core.c
> +++ b/drivers/net/team/team_core.c
> @@ -823,7 +823,8 @@ static void __team_queue_override_port_del(struct team *team,
>  {
>  	if (!port->queue_id)
>  		return;
> -	list_del_rcu(&port->qom_list);
> +	/* Ensure safe repeated deletion */
> +	list_del_init_rcu(&port->qom_list);
>  }
>  
>  static bool team_queue_override_port_has_gt_prio_than(struct team_port *port,
> -- 
> 2.43.0
>