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=-7.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 490F4C10DCE for ; Thu, 12 Mar 2020 15:17:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CF1220674 for ; Thu, 12 Mar 2020 15:17:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="DZqs4TO/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727852AbgCLPR4 (ORCPT ); Thu, 12 Mar 2020 11:17:56 -0400 Received: from mail-qv1-f66.google.com ([209.85.219.66]:39370 "EHLO mail-qv1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727455AbgCLPRz (ORCPT ); Thu, 12 Mar 2020 11:17:55 -0400 Received: by mail-qv1-f66.google.com with SMTP id fc12so2782820qvb.6 for ; Thu, 12 Mar 2020 08:17:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=ucB0jSYs7otvL+Roe4QFbncbHLIRwSx5DdcgmtIHpGI=; b=DZqs4TO/YQ1WXVFv4NNXH/1f3ChovaXoOleqUsNYg1faonPhV3acnKgRE9fakNAfQ+ ojunQdZ18rtTzshYz8pc69vmqnTIrLJ/nAqGlbFAZAXa0oFo402XVNje7hc3PK9vBw6P bIGSwaNxXi/Xq5+7Ish4Ljnw1JIJlvJkO/jt+NGa3eAkA5CPprRXfXJZQ5b4JJL5ciw5 XIuOGnQjX5HVPZ+v8/CuyttFyl6Z804UvSd1RwehT1BeFDPehqwsJAf5ydsT7CCqK9cz rKh/yd9Kogy7wrxs3oe8oi+Qxg+qjvwJ0O1wpIUXJ3davcOEOvvGHer0Nd2COT8NfLXb gPFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=ucB0jSYs7otvL+Roe4QFbncbHLIRwSx5DdcgmtIHpGI=; b=uWnO1jo6RMHvP3vX7+KLO+kRB+nvtg2R+fq/vYy1mjyczC2XS88q7Ba8fadwFOSgsm Mfk3qYXZtq3Ve6H3/qmjjY76W3cuvY6eQuveOvGHZ3ozef+6uEbrWJCnu/FCvnZngVrp 6DG738XnrkA4Yu6H8t7xWZDyZDr8rokwR8b+5YSFDlOTRylow0JlHgxlMlY72zEEPFOq OcuxPiMvYHgOAYNXUSqmC7y12bpcQlOKTeZgZeGN8vkDQ5d9EyzLT+kjU94o7NiX0S7O zMyryiUKymfev+H8zeFxcK0y89a0j/NqqSkVP3i/H7XcMH60s6eSpmykH1a3bx4ujHZP r15w== X-Gm-Message-State: ANhLgQ348p0CCyGYvLMT20DQ68cer6CY75uiNRDuv3KkoX3Pd2GQLYU5 Pw3tF2lQ5jJBv+OFVzHYkzy1SQ== X-Google-Smtp-Source: ADFU+vsie6w+TM81UO1bRct3BslZgyNzyOBijs1IZJ0N9tNY/N449Z2WBPij8ldirt/oZ1ctWF5yaA== X-Received: by 2002:a05:6214:1351:: with SMTP id b17mr7980984qvw.251.1584026269849; Thu, 12 Mar 2020 08:17:49 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.57.212]) by smtp.gmail.com with ESMTPSA id x188sm18344452qka.53.2020.03.12.08.17.49 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 12 Mar 2020 08:17:49 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1jCPam-0007eN-LV; Thu, 12 Mar 2020 12:17:48 -0300 Date: Thu, 12 Mar 2020 12:17:48 -0300 From: Jason Gunthorpe To: syzbot Cc: dledford@redhat.com, kamalheib1@gmail.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, syzkaller-bugs@googlegroups.com Subject: Re: WARNING: ODEBUG bug in remove_client_context Message-ID: <20200312151748.GP31668@ziepe.ca> References: <00000000000041c6a905a0a295ef@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000000000041c6a905a0a295ef@google.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 11, 2020 at 11:37:12PM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 61a09258 Merge tag 'for-linus' of git://git.kernel.org/pub.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=10a6d70de00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=7aef917d2e37d731 > dashboard link: https://syzkaller.appspot.com/bug?extid=c3b8c2a85d37162cc6ab > compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) > > Unfortunately, I don't have any reproducer for this crash yet. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+c3b8c2a85d37162cc6ab@syzkaller.appspotmail.com #syz dup: WARNING: ODEBUG bug in smc_ib_remove_dev Jason