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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 B4A9FC43381 for ; Mon, 11 Mar 2019 17:33:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D1FE206BA for ; Mon, 11 Mar 2019 17:33:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727508AbfCKRdB (ORCPT ); Mon, 11 Mar 2019 13:33:01 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:41146 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727282AbfCKRdB (ORCPT ); Mon, 11 Mar 2019 13:33:01 -0400 Received: by mail-io1-f69.google.com with SMTP id p17so4606344ios.8 for ; Mon, 11 Mar 2019 10:33:01 -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=isauicIveizh2Thnf2HeFHmP4eOsW9wt5monXQQBqYA=; b=VZDd9dgPjo0HI7i623vL8v2GWUQJUu8aK8kFh8YC3bT3ZvCqZbuXTZqmRAnFEv1sju ltQ0W24PBB4FLBKZMTFohjbdO6FAQfDYpZbu+/SR40eqYhgRVRhglkKAB+iiGTnpFBdJ 9HOzoq8x9y4K/i6TfDbGe2palUB1YE+FKywzB3t1MhrW7GAbblXK78RvXG/lWMTsv1zN 52ZrbhZd460/iG5GLSsZS0HGWslcUFiaBxMxfbfXOTQywYy0bns8hmvx814qpn4iIQvw bCaN5MlW6ipya8HDdo4lvCqiemh/fp6Pf8a/qP2isldWirM2UQpio8bX+4+1B5/w5i9I F9Tg== X-Gm-Message-State: APjAAAUmTnGTrVVKBtb40pBe9z3WM8B+ruXfQQFYG5z0mP90k+X4WAse fSLDBLtGafOWefePsL9omsNPWpGODmU4j/eBcNEEN/AZUlDT X-Google-Smtp-Source: APXvYqxNHGDwxMkhRMzYJUaaRw1NG+HTbRv8/Iwq88XM8tYlVM3Bik892jQNUzBmbT5xOMWwyVBKe39zxZmaWv4+1WHoIhakjx36 MIME-Version: 1.0 X-Received: by 2002:a24:6283:: with SMTP id d125mr128441itc.14.1552325580967; Mon, 11 Mar 2019 10:33:00 -0700 (PDT) Date: Mon, 11 Mar 2019 10:33:00 -0700 In-Reply-To: <0000000000004aed310583d22822@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d458540583d4f6ef@google.com> Subject: Re: WARNING in lockdep_unregister_key From: syzbot To: akpm@linux-foundation.org, bp@alien8.de, bvanassche@acm.org, dave.hansen@linux.intel.com, davem@davemloft.net, hmclauchlan@fb.com, hpa@zytor.com, joe@perches.com, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, luto@kernel.org, marcel@holtmann.org, mhocko@suse.com, mingo@kernel.org, netdev@vger.kernel.org, paulmck@linux.vnet.ibm.com, peterz@infradead.org, riel@surriel.com, rientjes@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, torvalds@linux-foundation.org, will.deacon@arm.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org syzbot has bisected this bug to: commit 009bb421b6ceb7916ce627023d0eb7ced04c8910 Author: Bart Van Assche Date: Sun Mar 3 22:00:46 2019 +0000 workqueue, lockdep: Fix an alloc_workqueue() error path bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1625a027200000 start commit: 009bb421 workqueue, lockdep: Fix an alloc_workqueue() erro.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1525a027200000 console output: https://syzkaller.appspot.com/x/log.txt?x=1125a027200000 kernel config: https://syzkaller.appspot.com/x/.config?x=e9d91b7192a5e96e dashboard link: https://syzkaller.appspot.com/bug?extid=be0c198232f86389c3dd userspace arch: amd64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1006dc83200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=137d0027200000 Reported-by: syzbot+be0c198232f86389c3dd@syzkaller.appspotmail.com Fixes: 009bb421 ("workqueue, lockdep: Fix an alloc_workqueue() error path")