Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753442AbdLDDsG (ORCPT ); Sun, 3 Dec 2017 22:48:06 -0500 Received: from mout.gmx.net ([212.227.15.15]:56026 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753125AbdLDDsC (ORCPT ); Sun, 3 Dec 2017 22:48:02 -0500 Message-ID: <1512359270.8335.7.camel@gmx.de> Subject: Re: possible deadlock in blk_trace_remove From: Mike Galbraith To: Jens Axboe , Eric Biggers Cc: syzbot , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com Date: Mon, 04 Dec 2017 04:47:50 +0100 In-Reply-To: <33f25849-1aff-8464-6467-47ce55d1c0b1@kernel.dk> References: <001a1141f8dc4440a9055e53896e@google.com> <20171203202434.GD844@zzz.localdomain> <9f7ab661-7d57-3e84-769c-6d103557f342@kernel.dk> <20171204004427.GA13374@zzz.localdomain> <33f25849-1aff-8464-6467-47ce55d1c0b1@kernel.dk> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.20.5 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:G1SktUSvhHT1sQtXVnfvO5Z+ubqYeuKi2yV+4WTgwPy2uyVtMdG juELuhyEZNoBes9wcVcHXCTHSJCY39oT8uCIoc4EoEf0OILaOmHI5qfQWhqYMgw2Kuy67h8 x5jFWnQanaQmA71JuqP+wSPbhSThASwZCmbAsnQp8Wy5xWYL4ezNJ4ly2zpheckoJeMxeup BwxHelbZvKiX77GLMdVzA== X-UI-Out-Filterresults: notjunk:1;V01:K0:5+VROFcJ1Dc=:maCm0Y9PxPQvFU1S2etqPo 8q0JyB2ieeF5w3muKrqbHU1bfRxx65cYVkyj8OZTWnC0iW01tFa0f8bA8iFXbm4F1LH40RCcH TWB8IeodURKmLvG3NR7OEgYT325clem/fW/yVHmRvF34BzHfgGEaRH0E0uaBKEXmtcfWCC9Fc dnBgV3fg7Wg2Asvp13d9F8fZd1e6SIGTfoXDcIV9ifhIjboP81RpZb46F9CxWhjQXTmYDJy9h H47bSSjoxMIdIV9swcJVbhI8TY633Q/iomDsw5A0AVfx+tFTjzRCIHviW40gDxeZtOxRBro9p KJxdSuYXNUF4r8kGpORAlrK/+cuaxyGl2L2OtxR2+iI3lJl6NCRYL/TzXvdqpUmX06YAdDctK 2TT0yYD8FEHlZxSASfk9sO1GrsjAjZw6ZIyN1RTyB2gwnYqq9dfQc94gAFaRCW0juNKs8624z k1WwEXzo15xP/YYmeVavBE4UR4Z/59Uzl47V765w1MFbuRciDnwG0efBUXRwdI97XtNPvInS1 RnHR14fn8oui3ZWGrpYVbnITaF1VUOvCHmAbBTuBuKuXhxJ95ARRpQNtvW/nbSaBdmBApaypj CErYVCy9A5xvEoD6d7GD8lcH+WAU0ten/9Oxes7qAaCgiH0hNJYiF3pfAnRZgKYaMQe9cl+4B x51d5CkLexeoo8+1QRQtwaJCBC6oLI6WsVGQ4hbS4z43/wNNtNFi5x6kxlnUbsGwWdix6HxPI 8LqUDglZaScZiFJqSDfj49OjAmawPnbHXOk9qdckH5YpnADriuX0fncxT3XKkIrX6J6m27/Bq DbCdcBSlj2syOkYh0Yu4iAo3/vRcUSBHqxjighgsm54HSNhv+A= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 423 Lines: 16 On Sun, 2017-12-03 at 17:47 -0700, Jens Axboe wrote: > On 12/03/2017 05:44 PM, Eric Biggers wrote: > > > >>> #syz fix: blktrace: fix trace mutex deadlock > >> > >> This is fixed in current -git. > >> > > > > I know, but syzbot needed to be told what commit fixes the bug. > > See https://github.com/google/syzkaller/blob/master/docs/syzbot.md > > Ah gotcha. "@syzbot fix: bla" syntax would have been intuitive. -Mike