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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 B050EC76192 for ; Wed, 17 Jul 2019 10:05:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F2922077C for ; Wed, 17 Jul 2019 10:05:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727070AbfGQKFH (ORCPT ); Wed, 17 Jul 2019 06:05:07 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:54403 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726814AbfGQKFB (ORCPT ); Wed, 17 Jul 2019 06:05:01 -0400 Received: by mail-io1-f72.google.com with SMTP id n8so26530300ioo.21 for ; Wed, 17 Jul 2019 03:05:01 -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=TTvRZwA8TDPGBK9TibJ6ly9VeeNnSU2IT+OU5u4KhhE=; b=Repsrl1ylE2lPGNa0TqE47Tumhi8+v1gK7d/XdwgrC8FXec5EHXS//VNiGA08vkn/G 5dp2EQ6+OWPkfvWT0UsH7yysJlW9uFw21dgbGd28sT7aPdZeJfqSy8/QUo620IrovJYB nKOGB3Uw3Lt5Vj5NSTNf3nu8bw8aMLpigCjj26yGGhGr3qKL/0yAojS6y64pVRAl1S6s I6bgbaV/qqhGU3UxasBACUbyBvr6VRX+nKXGqnbbpfZN3bm5snHjYovAA8BOYpqys3wu NAfreCpRqsI8eoCrwHeB2L6UomzNjCTIXWuVtGgPvi+BE+CRaZsg1J4ys6X04jhc+xa4 GJdg== X-Gm-Message-State: APjAAAWvUaMvic9m2iwLxUz5/21fg/71t7uRVnUVpM4ZqHYQsswKm64N ZbCl+/8a/LqLSGkAfdZPoxRkdAc8Vg1BtzTm57U0aRtmlRqX X-Google-Smtp-Source: APXvYqygQgdRgLCMVKgGwqYS2YzrTxrwtIneXoQQgmYGyvms+ow3F6cA2ozkKNBfmEvrb6Cbs/OgXfe3/5McPbETYvJRCUiZzHs9 MIME-Version: 1.0 X-Received: by 2002:a05:6638:281:: with SMTP id c1mr40048066jaq.43.1563357900838; Wed, 17 Jul 2019 03:05:00 -0700 (PDT) Date: Wed, 17 Jul 2019 03:05:00 -0700 In-Reply-To: <00000000000015d943058ddcb1b3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000561cd5058ddda0ce@google.com> Subject: Re: WARNING: held lock freed in nr_release From: syzbot To: davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.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 c8c8218ec5af5d2598381883acbefbf604e56b5e Author: Cong Wang Date: Thu Jun 27 21:30:58 2019 +0000 netrom: fix a memory leak in nr_rx_frame() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14022e8fa00000 start commit: a5b64700 fix: taprio: Change type of txtime-delay paramete.. git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=16022e8fa00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12022e8fa00000 kernel config: https://syzkaller.appspot.com/x/.config?x=87305c3ca9c25c70 dashboard link: https://syzkaller.appspot.com/bug?extid=a34e5f3d0300163f0c87 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1460b458600000 Reported-by: syzbot+a34e5f3d0300163f0c87@syzkaller.appspotmail.com Fixes: c8c8218ec5af ("netrom: fix a memory leak in nr_rx_frame()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection