From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: crash in __kfree_skb on v3.18-rc5 with CONFIG_DEBUG_PAGEALLOC Date: Fri, 21 Nov 2014 11:33:33 -0500 Message-ID: <1416587613.24312.4@mail.thefacebook.com> References: <20141121160937.GA32608@ret.masoncoding.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed To: Return-path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:25957 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755084AbaKUQdi (ORCPT ); Fri, 21 Nov 2014 11:33:38 -0500 Received: from pps.filterd (m0044010 [127.0.0.1]) by mx0a-00082601.pphosted.com (8.14.5/8.14.5) with SMTP id sALGThDC017332 for ; Fri, 21 Nov 2014 08:33:37 -0800 Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 1qt0u31cwk-2 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=OK) for ; Fri, 21 Nov 2014 08:33:37 -0800 In-Reply-To: <20141121160937.GA32608@ret.masoncoding.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, Nov 21, 2014 at 11:16 AM, Chris Mason wrote: > Hi everyone, > > I've hit this a few times today while hammering on my btrfs queue for > the next merge window. It's plain v3.18-rc5 plus a few btrfs patches, > so it isn't impossible a btrfs double free is causing trouble. Looking through my console logs, I also hit it on v3.18-rc3 and on a test in the middle of the 3.18 merge window (don't have the exact sha, sorry). -chris