From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] igmp: fix unsafe RCU usage in igmpv3_src_addr Date: Fri, 02 Feb 2018 14:18:45 -0800 Message-ID: <1517609925.3715.140.camel@gmail.com> References: <20180202213044.32747-1-sthemmin@microsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Stephen Hemminger , nbd@nbd.name, davem@davemloft.net Return-path: Received: from mail-pl0-f44.google.com ([209.85.160.44]:36709 "EHLO mail-pl0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752215AbeBBWSq (ORCPT ); Fri, 2 Feb 2018 17:18:46 -0500 Received: by mail-pl0-f44.google.com with SMTP id v3so7203147plg.3 for ; Fri, 02 Feb 2018 14:18:46 -0800 (PST) In-Reply-To: <20180202213044.32747-1-sthemmin@microsoft.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2018-02-02 at 13:30 -0800, Stephen Hemminger wrote: > From: Stephen Hemminger > > New igmpv3_get_src_addr would sometimes be called in receive path > without holding RCU lock. Strange, this should have been fixed already ? https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=e7aadb27a5415e8125834b84a74477bfbee4eff5