From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f52.google.com (mail-pa0-f52.google.com [209.85.220.52]) by kanga.kvack.org (Postfix) with ESMTP id 903496B0253 for ; Tue, 22 Sep 2015 14:54:26 -0400 (EDT) Received: by pacex6 with SMTP id ex6so16733418pac.0 for ; Tue, 22 Sep 2015 11:54:26 -0700 (PDT) Received: from mail-pa0-x22a.google.com (mail-pa0-x22a.google.com. [2607:f8b0:400e:c03::22a]) by mx.google.com with ESMTPS id pq4si4534302pac.95.2015.09.22.11.54.25 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 22 Sep 2015 11:54:25 -0700 (PDT) Received: by pablk4 with SMTP id lk4so1046439pab.3 for ; Tue, 22 Sep 2015 11:54:25 -0700 (PDT) Date: Tue, 22 Sep 2015 11:54:17 -0700 (PDT) From: Hugh Dickins Subject: Re: Multiple potential races on vma->vm_flags In-Reply-To: Message-ID: References: <55EC9221.4040603@oracle.com> <20150907114048.GA5016@node.dhcp.inet.fi> <55F0D5B2.2090205@oracle.com> <20150910083605.GB9526@node.dhcp.inet.fi> <20150911103959.GA7976@node.dhcp.inet.fi> <55F8572D.8010409@oracle.com> <20150915190143.GA18670@node.dhcp.inet.fi> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Andrey Konovalov Cc: "Kirill A. Shutemov" , Sasha Levin , Hugh Dickins , Oleg Nesterov , Rik van Riel , Andrew Morton , Dmitry Vyukov , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vlastimil Babka On Tue, 22 Sep 2015, Andrey Konovalov wrote: > If anybody comes up with a patch to fix the original issue I easily > can test it, since I'm hitting "BUG: Bad page state" in a second when > fuzzing with KTSAN and Trinity. This "BUG: Bad page state" sounds more serious, but I cannot track down your report of it: please repost - thanks - though on seeing it, I may well end up with no ideas. Hugh -- 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