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 2C81BC73C56 for ; Tue, 9 Jul 2019 20:22:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 06966214AF for ; Tue, 9 Jul 2019 20:22:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729716AbfGIUWE (ORCPT ); Tue, 9 Jul 2019 16:22:04 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:36340 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729545AbfGIUWB (ORCPT ); Tue, 9 Jul 2019 16:22:01 -0400 Received: by mail-io1-f69.google.com with SMTP id k21so191962ioj.3 for ; Tue, 09 Jul 2019 13:22:00 -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=gNp6IGzQMQGefwcCXwihte4j+oJMtUnlDKJXuaM+cUk=; b=tSxU67gJy48F/TCxJdR2QxVnoy7xUImIBkrejze5jOv3EtHLKsIhQyXi6Hzcrcur9g trYxybm8ThTgk5c5e4wAZQJMXFx/JUNQQoOcob0joQa5kcn6ZKITIWGQb4hw+TvTMbLL ldCynwzSNs+m9A34TJ3WEfOlH40JvcTuOLQ36DLDs7Im7XXgUpCmPSEqLMLfRq9OZQ9x 2nGGsXpc+K+hMWGoxVccr1CdCh6DVj4sD+CmO/aY3YQ6etbuFYRs78mfWXZQ+4rb7gax ZEr+h7MaKA8dL1LwgLIZL48cDvNrHaEXgvcj2H7BmUy5voOfv5gszh80lAohDbNA4FDa p8Jw== X-Gm-Message-State: APjAAAUg8vJcsn8+G+twpvbwfd1Fiub673FIXx1AjingjGvjX73SHqi8 Yf5e+lYxVSbGhf1QKziubvht3IVekvNsjMUie/Jh2bE4p0M+ X-Google-Smtp-Source: APXvYqwFgwJAcUPiL5NbtuCyvSACDdRE25Si64mrNjVzIA9vXUAmOPuBWXTLl+KgXo65r6gDEueAVIzpruHAb52RcugMcVs1Xph6 MIME-Version: 1.0 X-Received: by 2002:a6b:6409:: with SMTP id t9mr9378524iog.270.1562703720611; Tue, 09 Jul 2019 13:22:00 -0700 (PDT) Date: Tue, 09 Jul 2019 13:22:00 -0700 In-Reply-To: <0000000000000595ea058d411c35@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000280332058d45509c@google.com> Subject: Re: WARNING: refcount bug in nr_insert_socket 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=1677f227a00000 start commit: 4608a726 Add linux-next specific files for 20190709 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=1577f227a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1177f227a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=7a02e36d356a9a17 dashboard link: https://syzkaller.appspot.com/bug?extid=ec1fd464d849d91c3665 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b47be8600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15172e7ba00000 Reported-by: syzbot+ec1fd464d849d91c3665@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