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_DIGITS, FROM_LOCAL_HEX,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 7A347C10F13 for ; Thu, 11 Apr 2019 06:53:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A2CB20873 for ; Thu, 11 Apr 2019 06:53:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726775AbfDKGxC (ORCPT ); Thu, 11 Apr 2019 02:53:02 -0400 Received: from mail-it1-f197.google.com ([209.85.166.197]:50986 "EHLO mail-it1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726536AbfDKGxB (ORCPT ); Thu, 11 Apr 2019 02:53:01 -0400 Received: by mail-it1-f197.google.com with SMTP id k8so4904640itd.0 for ; Wed, 10 Apr 2019 23:53:01 -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=EZdY8iVL+fFQQIClcYKzMlggdHkYi7ihXNJz9fW3SEE=; b=WEiZfo7BKmg+hcskse0Rdl6kdxIfR3PKRn2Afo6R8+I0Gdp++u7gPagILMRRYaMK1R niMoPDxdMFrS6ActGc6ZxybPP3v25zJAvAP1vR0sfN3qM6LZIPz6ubxWTtcPAtkAFqOj 5tFO1cxhYAJRF0Jra92xanwJAv1clnWI5oIFZxWibdQWqLeLvpMhb+grYVZ2YbE+U2PW yKeXe/GOBTaKoIvQocD0OvvwqDHMt0IqDUiNOwvTNi8EmVFLa1VKdpHhyUfwsMUKTE/R fL38GjtDbqMwKpiPcU/jMNCSKTljX7yHXmDbUYwNSzAV5MBEI5LsE3V9urXJsDrTtXT4 b5xw== X-Gm-Message-State: APjAAAVd1hWzIwahlBtHGr1gMLC8tR3lpq6Xqo2zJ+7JlEcJVwNjl2pY VC54W8sjDXFXoPg+diCyOHMXs38fYbjVzjsAe5B93mxbQ2HP X-Google-Smtp-Source: APXvYqyt0QLH8gCTZSSERaBSf8IcoUNHff0C0lMfD0YB6HsakjxkJND7ZKvPLkYlRE0HUP+HnWjF8ltRP/dcJUbYePlbCoNM8kne MIME-Version: 1.0 X-Received: by 2002:a24:5ed3:: with SMTP id h202mr2155101itb.17.1554965581079; Wed, 10 Apr 2019 23:53:01 -0700 (PDT) Date: Wed, 10 Apr 2019 23:53:01 -0700 In-Reply-To: <0000000000003b9c4b0574806070@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000192b4405863ba337@google.com> Subject: Re: WARNING: bad unlock balance in ucma_destroy_id From: syzbot To: dledford@redhat.com, haggaie@mellanox.com, hal.rosenstock@gmail.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, raindel@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, syzkaller-bugs@googlegroups.com, yishaih@mellanox.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 e1c30298ccab87151a0c4241fc5985c591598361 Author: Yishai Hadas Date: Thu Aug 13 15:32:07 2015 +0000 IB/ucma: HW Device hot-removal support bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=157538d3200000 start commit: 5b394b2d Linux 4.19-rc1 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=177538d3200000 console output: https://syzkaller.appspot.com/x/log.txt?x=137538d3200000 kernel config: https://syzkaller.appspot.com/x/.config?x=49927b422dcf0b29 dashboard link: https://syzkaller.appspot.com/bug?extid=4b628fcc748474003457 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13351e2e400000 Reported-by: syzbot+4b628fcc748474003457@syzkaller.appspotmail.com Fixes: e1c30298ccab ("IB/ucma: HW Device hot-removal support") For information about bisection process see: https://goo.gl/tpsmEJ#bisection