From: Eric Dumazet <eric.duma...@gmail.com>
Date: Fri, 08 Jul 2016 11:03:57 +0200
> From: Eric Dumazet <eduma...@google.com>
>
> In the prep work I did before enabling BH while handling socket backlog,
> I missed two points in DCCP :
>
> 1) dccp_v4_ctl_send_reset() uses bh_lock_sock(), assuming BH were
> blocked. It is not anymore always true.
>
> 2) dccp_v4_route_skb() was using __IP_INC_STATS() instead of
> IP_INC_STATS()
>
> A similar fix was done for TCP, in commit 47dcc20a39d0
> ("ipv4: tcp: ip_send_unicast_reply() is not BH safe")
>
> Fixes: 7309f8821fd6 ("dccp: do not assume DCCP code is non preemptible")
> Fixes: 5413d1babe8f ("net: do not block BH while processing socket backlog")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
> Reported-by: Dmitry Vyukov <dvyu...@google.com>
Applied and queued up for -stable, thanks.
