From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id 79AD96B0069 for ; Wed, 20 Dec 2017 04:20:50 -0500 (EST) Received: by mail-wr0-f200.google.com with SMTP id o32so5868028wrf.20 for ; Wed, 20 Dec 2017 01:20:50 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id b14si2668463wma.161.2017.12.20.01.20.49 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 20 Dec 2017 01:20:49 -0800 (PST) Date: Wed, 20 Dec 2017 10:20:46 +0100 From: Michal Hocko Subject: Re: BUG: unable to handle kernel NULL pointer dereference in __list_del_entry_valid Message-ID: <20171220092046.GE4831@dhcp22.suse.cz> References: <001a11452568f5857c0560b0dc0e@google.com> <20171219130337.GU2787@dhcp22.suse.cz> <20171219132209.GV2787@dhcp22.suse.cz> <20171219134235.GW2787@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Dmitry Vyukov Cc: syzbot , Andrew Morton , Johannes Weiner , LKML , Linux-MM , Mel Gorman , Minchan Kim , shakeelb@google.com, syzkaller-bugs@googlegroups.com, ying.huang@intel.com, syzkaller On Tue 19-12-17 17:40:19, Dmitry Vyukov wrote: > On Tue, Dec 19, 2017 at 2:42 PM, Michal Hocko wrote: > >> >> > Can we silence this duplicates [1] please? > >> >> > > >> >> > [1] http://lkml.kernel.org/r/001a1140f57806ebef05608b25a5@google.com > >> >> > >> >> Hi Michal, > >> >> > >> >> What exactly do you mean? > >> >> > >> >> These 2 are the same email with the same Message-ID just on different > >> >> mailing lists. I don't see anything wrong here. > >> > > >> > Hmm the other one has Message-id: 001a1140f57806ebef05608b25a5@google.com > >> > while this one has 001a11452568f5857c0560b0dc0e@google.com > >> > >> Ah, I see. > >> These are reported separately because the crashes are titled > >> differently. Kernel titled one as "general protection fault" and > >> another as "BUG: unable to handle kernel NULL pointer dereference". > > > > Ahh, OK, so I've missed that part ;) I just thought it was duplicate > > because the report seemed very familiar. > > > So are these duplicates? If yes, we need to tell this syzbot: It seems so. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org