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,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 25FFFC4321D for ; Wed, 15 Aug 2018 18:50:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A9AFE208DC for ; Wed, 15 Aug 2018 18:50:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A9AFE208DC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727459AbeHOVnX (ORCPT ); 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 X-Google-Smtp-Source: AA+uWPyMgYN8wytD9RLXRuHEETiayGNtu+CmVNhW6/RPBZ8BVoOhv9xnoGzLTajyhl18gzGCMBrmu1iNnfZITG1u9644DcbJFqzN 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.