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[209.132.180.67]) by mx.google.com with ESMTP id l6-v6si24312425pfc.298.2018.08.15.11.50.53; Wed, 15 Aug 2018 11:51:08 -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 S1727444AbeHOVnX (ORCPT + 99 others); Wed, 15 Aug 2018 17:43:23 -0400 Received: from mail-io0-f199.google.com ([209.85.223.199]:45898 "EHLO mail-io0-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726183AbeHOVnW (ORCPT ); Wed, 15 Aug 2018 17:43:22 -0400 Received: by mail-io0-f199.google.com with SMTP id l24-v6so1817936ioj.12 for ; Wed, 15 Aug 2018 11:50:03 -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:message-id:subject:from:to; bh=a2QIg3UreXNji6P6SNiLPiVeDBoGOqLAm9GfsnpZAiE=; b=sIDu2A2q4N4WHKJ9VV+hcg/YPdXFObM6EJyPuCZpyaBEHCkDe4Q5XO9Bxoexv3Q3Ew 8r+DhcMwfI+rWWJPBaErny1EUxK79zdQizGd/I080AVegMon4RjAoic9K9SaOeCQ7t4+ oohs+QkxmNWIk/nArSxnY+RRH38XPi1X2TTubh73gF4m2cCQ0rr1pSktwsqOfiYKafKy e3qc9D9LVIBkoRi2ic7TrLihnJcmkgtRYhb+zzF0efJ3FaRRwZqCYTBw3CJcFKkdKywP +gIiupweRwK/3HOxJF7kCZtIMyoSSmMTY5YAC2+Fi02KawoTphjeNcplzkO/N9Tybern vl6g== X-Gm-Message-State: AOUpUlEnnyzMyMFcvg6d0HEtE+Qo5Uj4iHq0ic2t6pOj+r/d461PJOma uNgFfb7h7vdL+VgMWzp9twZUN0F8AXK1W+0gF+ehfKTUsN7O MIME-Version: 1.0 X-Received: by 2002:a5e:960b:: with SMTP id a11-v6mr3456804ioq.37.1534359003077; Wed, 15 Aug 2018 11:50:03 -0700 (PDT) Date: Wed, 15 Aug 2018 11:50:03 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000056268e05737dcb95@google.com> Subject: unregister_netdevice: waiting for DEV to become free (2) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.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 Hello, syzbot found the following crash on: HEAD commit: 1236568ee3cb Merge tag 'gpio-v4.18-3' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=135f47e0400000 kernel config: https://syzkaller.appspot.com/x/.config?x=152cb8ccd35b1f70 dashboard link: https://syzkaller.appspot.com/bug?extid=30209ea299c09d8785c9 compiler: gcc (GCC) 8.0.1 20180413 (experimental) 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+30209ea299c09d8785c9@syzkaller.appspotmail.com Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 unregister_netdevice: waiting for ip6tnl0 to become free. Usage count = 7 Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 Invalid argument reading file caps for /root/syz-executor5 --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot.