From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E529C43381 for ; Sat, 30 Mar 2019 21:58:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5587F217F5 for ; Sat, 30 Mar 2019 21:58:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730984AbfC3V6C (ORCPT ); Sat, 30 Mar 2019 17:58:02 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:40348 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730582AbfC3V6B (ORCPT ); Sat, 30 Mar 2019 17:58:01 -0400 Received: by mail-io1-f70.google.com with SMTP id e72so4808772iof.7 for ; Sat, 30 Mar 2019 14:58:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=k6B3sI3f01UvtTgl/Kut52Y+9/3D0rGdINg0/Zq16/g=; b=f/5x6x1vr/MMlYlnOyMWbhubTzsx9dQZKwXurP+4APCKW4fC6QMfdcyBalBKlR1gSW WJ4qj8tr2esvTqU4wIqXI3/ueB/ZUPgjAKNJNDruXOTbG98iLRN6CTEs/ybZvk05Q6vo +Hw4jG7FBXgSGc0Z8guuRG+1iAokA2GWI6mUN86+8gOuFJDz82Kn6fL4lg+3RsGIZqEM EQEFHEM3nisv7u5T5qFuetVy2F+OCS9KmtmczZHNAJz9jkOAuh5Qb10dnT7dmJrmZxSc 5eW1xBmQxpJSNvuNr5A04jIDi8uXtR0v0MREKSmpc4VdeLEgWHbvFjHdyPehpKWsI9pV nGeA== X-Gm-Message-State: APjAAAVUxZLmpUC6tiDpQdN3pxl9ArUz0L/37gI2HK85kF8D2o8Jtytg i2HPhSKSolnvAt2wfdEhaNLch3GpCRNGFY5WtgOZgikpor+T X-Google-Smtp-Source: APXvYqzCnqzUt3/H+l8Aaq9aPhcPibViVv39HNOVnP4QwM6x2tqXyb1c/pHWDNrIBO/mnknZhtx/YIpB4/a4KiESA9+DNghmOHdn MIME-Version: 1.0 X-Received: by 2002:a6b:ee16:: with SMTP id i22mr4604371ioh.9.1553983081126; Sat, 30 Mar 2019 14:58:01 -0700 (PDT) Date: Sat, 30 Mar 2019 14:58:01 -0700 In-Reply-To: <0000000000005ff8b20585395280@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000089a718058556e1d8@google.com> Subject: Re: BUG: MAX_STACK_TRACE_ENTRIES too low! (2) From: syzbot To: akpm@linux-foundation.org, bvanassche@acm.org, danitg@mellanox.com, darrick.wong@oracle.com, dledford@redhat.com, gustavo@embeddedor.com, jannh@google.com, jgg@ziepe.ca, johannes.berg@intel.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux-xfs@vger.kernel.org, longman@redhat.com, mingo@kernel.org, paulmck@linux.vnet.ibm.com, peterz@infradead.org, roland@purestorage.com, shamir.rabinovitch@oracle.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tj@kernel.org, torvalds@linux-foundation.org, will.deacon@arm.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 669de8bda87b92ab9a2fc663b3f5743c2ad1ae9f Author: Bart Van Assche Date: Thu Feb 14 23:00:54 2019 +0000 kernel/workqueue: Use dynamic lockdep keys for workqueues bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17f1bacd200000 start commit: 0e40da3e Merge tag 'kbuild-fixes-v5.1' of git://git.kernel.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1409bacd200000 console output: https://syzkaller.appspot.com/x/log.txt?x=1009bacd200000 kernel config: https://syzkaller.appspot.com/x/.config?x=8dcdce25ea72bedf dashboard link: https://syzkaller.appspot.com/bug?extid=6f39a9deb697359fe520 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10e1bacd200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1120fe0f200000 Reported-by: syzbot+6f39a9deb697359fe520@syzkaller.appspotmail.com Fixes: 669de8bda87b ("kernel/workqueue: Use dynamic lockdep keys for workqueues") For information about bisection process see: https://goo.gl/tpsmEJ#bisection