From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f169.google.com ([209.85.223.169]:46998 "EHLO mail-io0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932242AbeCLVJp (ORCPT ); Mon, 12 Mar 2018 17:09:45 -0400 Received: by mail-io0-f169.google.com with SMTP id p78so13124500iod.13 for ; Mon, 12 Mar 2018 14:09:45 -0700 (PDT) Date: Mon, 12 Mar 2018 14:09:41 -0700 From: Eric Biggers To: Tom Herbert Cc: davem@davemloft.net, netdev@vger.kernel.org Subject: Re: [PATCH net] kcm: lock lower socket in kcm_attach Message-ID: <20180312210941.GC230165@gmail.com> References: <20180312210412.1875-1-tom@quantonium.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180312210412.1875-1-tom@quantonium.net> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, Mar 12, 2018 at 02:04:12PM -0700, Tom Herbert wrote: > Need to lock lower socket in order to provide mutual exclusion > with kcm_unattach. > > Fixes: ab7ac4eb9832e32a09f4e804 ("kcm: Kernel Connection Multiplexor module") > Signed-off-by: Tom Herbert > --- Is this fixing the syzbot-reported bug "KASAN: use-after-free Read in get_work_pool"? If so, please add: Reported-by: syzbot+ea75c0ffcd353d32515f064aaebefc5279e6161e@syzkaller.appspotmail.com