From: Eric Dumazet <eduma...@google.com> Date: Thu, 6 Jun 2019 14:32:34 -0700
> Before taking a refcount, make sure the object is not already
> scheduled for deletion.
>
> Same fix is needed in ipv6_flowlabel_opt()
>
> Fixes: 18367681a10b ("ipv6 flowlabel: Convert np->ipv6_fl_list to RCU.")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
Applied and queued up for -stable.
