Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755174AbaLVUip (ORCPT ); Mon, 22 Dec 2014 15:38:45 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:25786 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754702AbaLVUio (ORCPT ); Mon, 22 Dec 2014 15:38:44 -0500 Message-ID: <54988142.40207@oracle.com> Date: Mon, 22 Dec 2014 15:38:26 -0500 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Davidlohr Bueso , "Kirill A. Shutemov" CC: "linux-mm@kvack.org" , LKML , Andrew Morton , Dave Jones Subject: Re: mm: NULL ptr deref in unlink_file_vma References: <549832E2.8060609@oracle.com> <20141222180102.GA8072@node.dhcp.inet.fi> <20141222180420.GA20261@node.dhcp.inet.fi> <1419275072.8812.1.camel@stgolabs.net> In-Reply-To: <1419275072.8812.1.camel@stgolabs.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/22/2014 02:04 PM, Davidlohr Bueso wrote: > Sasha, does this still occur if you revert c8475d144abb? On 12/22/2014 02:14 PM, Kirill A. Shutemov wrote: > Sasha could you check if you hit untrack_pfn()? I'm afraid I only hit this issue once, unlike the other once which was bisected down. I'm trying to play with it a bit to see if I can "help" it reproduce, but no luck so far. Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/