Received: by 2002:a25:e7d8:0:0:0:0:0 with SMTP id e207csp227288ybh; Fri, 13 Mar 2020 20:53:23 -0700 (PDT) X-Google-Smtp-Source: ADFU+vvRTswl0UwS0awUffHXs/zE5F30vmwIGRROMclleGZCbiUH+jHUl6GMh6q7NCuY0ljjrFbd X-Received: by 2002:a05:6830:1ad4:: with SMTP id r20mr6163075otc.316.1584158003258; Fri, 13 Mar 2020 20:53:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1584158003; cv=none; d=google.com; s=arc-20160816; b=DefNbDmk02zOM410CG7XfWZjOpSSybhotbx9ce+TUP/2P5yDRXugM15F2c767wP/+w B67qUKTnW8WV5JnCI78eHt0vJDlgGAsABWjKuVNLRtjHG8xL/Cpn7TgTmc5kVzXjBrQL 4szdpZh5Gdh7MMcf78OWOMEuuJZ2AgH0smq7KuYVtHOjRjo8hCvcHLTpDXTpnWp5SuEV w0GSPFTEWbztaRt/N3FTmhdcbafHaXihY0cWEUeCfR/qLgWuSo2HFLsL6sD/J5ZeiYoM 9QerndH+tVyiL+ZI4sLLFa9bR/t/JgPm/xiKrZ7ICG1rSh9+f68Zac0cNiq8WIHSOCIl bDdA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=KCmAJDk94gn8lmzBp3+MaZXdfTJa9zfOjP1Al0kR+Bg=; b=gU9SI16aAAtxxIPyb6EIgX/4TEv6gRvtsv/t9GEEase3p9rva4OVfyeJaGBRK8ZDje nA5KvBq7ydH5g+cfd28Cke/x/jUtnV7rTn90h+aYBB85UvBjwHYypceYFBOPLzPnsNHV VSGCErbc+Xvt+sA8/o/x+gEcdh5ATsaEDwbOovXA34xRbOhFWEqNP0jB1inj42PZVt06 lgCMxqWT4e6hKbyZOSyK/5iMimmK0m2oabXwJqdVRutAxxR/MExNMZV0UjSVwxSRwiFI lRVNqSdWktli96rfbA7CeM9SJaxzEEqsjMtqpCvU4wNuoJGOiCHdQH7wYFvBNGXbOL5C KaDg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 88si6081824otv.12.2020.03.13.20.53.10; Fri, 13 Mar 2020 20:53:23 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726697AbgCNDwD (ORCPT + 99 others); Fri, 13 Mar 2020 23:52:03 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:45299 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726480AbgCNDwD (ORCPT ); Fri, 13 Mar 2020 23:52:03 -0400 Received: by mail-il1-f200.google.com with SMTP id h12so8535101ils.12 for ; Fri, 13 Mar 2020 20:52:02 -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=KCmAJDk94gn8lmzBp3+MaZXdfTJa9zfOjP1Al0kR+Bg=; b=k7BxK5lfFTGKqHwLip07m/i3qqIJDREDgqLXiqaK7B9fSGcb35UmPHxvKinvgHJGKl zFlrJws4f9x6U/vfUAOuNJ2kcJs4FAJ3cd6a0TChxFVEB/jEalVquRf8zUrpyXkbfTkc yUpZmsUQ3sFB6Ikm8RlJkNugl6yGSH++Vq7H3dGw+5GYoeAxT/ehW+OWvMOsyFu/A27d jDblZdwoo7sHlag5mLQw5rf8ZUXQSI0bMNig5P0W/g871WnuFz7MKS0HKuKAUgjNmfA4 6WvmVhnw/oQNyjqxmy9mmpDucNCxAFv7/jpoiOxsVvhiMLO978Ooxh2mAYhnWJtY3RlI 4xOQ== X-Gm-Message-State: ANhLgQ24UhZxu624M5pD9Qm1J0f136oSBXeVaELS/SgEml+q+MzW1ggs SNmF4evFPpqlPdQlw07B3oFtdzpi7qGnb/88m8sY4qg5RkQX MIME-Version: 1.0 X-Received: by 2002:a6b:5a0c:: with SMTP id o12mr15083450iob.137.1584157922264; Fri, 13 Mar 2020 20:52:02 -0700 (PDT) Date: Fri, 13 Mar 2020 20:52:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000398bd005a0c882ab@google.com> Subject: Re: WARNING in call_rcu From: syzbot To: davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+2f8c233f131943d6056d@syzkaller.appspotmail.com Tested on: commit: 29311b74 cls_route: remove the old filter from hashtable git tree: https://github.com/congwang/linux.git tcindex kernel config: https://syzkaller.appspot.com/x/.config?x=a5295e161cd85b82 dashboard link: https://syzkaller.appspot.com/bug?extid=2f8c233f131943d6056d compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) Note: testing is done by a robot and is best-effort only.