From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] sctp: fix BH handling on socket backlog Date: Mon, 25 Jul 2016 11:22:53 -0700 (PDT) Message-ID: <20160725.112253.483808630563071321.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com, vyasevich@gmail.com, nhorman@tuxdriver.com, linux-sctp@vger.kernel.org To: marcelo.leitner@gmail.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:43778 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752654AbcGYSWy (ORCPT ); Mon, 25 Jul 2016 14:22:54 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Marcelo Ricardo Leitner Date: Sat, 23 Jul 2016 00:32:48 -0300 > Now that the backlog processing is called with BH enabled, we have to > disable BH before taking the socket lock via bh_lock_sock() otherwise > it may dead lock: ... > Fixes: 860fbbc343bf ("sctp: prepare for socket backlog behavior change") > Cc: Eric Dumazet > Signed-off-by: Marcelo Ricardo Leitner Applied and queued up for -stable, thanks.