From: Paolo Abeni <pab...@redhat.com>
Date: Fri, 13 Apr 2018 13:59:25 +0200
> When parsing the options provided by the user space,
> team_nl_cmd_options_set() insert them in a temporary list to send
> multiple events with a single message.
> While each option's attribute is correctly validated, the code does
> not check for duplicate entries before inserting into the event
> list.
>
> Exploiting the above, the syzbot was able to trigger the following
> splat:
...
> This changeset addresses the avoiding list_add() if the current
> option is already present in the event list.
>
> Reported-and-tested-by: syzbot+4d4af685432dc0e56...@syzkaller.appspotmail.com
> Signed-off-by: Paolo Abeni <pab...@redhat.com>
> Fixes: 2fcdb2c9e659 ("team: allow to send multiple set events in one message")
Applied and queued up for -stable, thanks.
Please put the Fixes: tag as the first tag next time.
Thank you.
