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 autolearn=unavailable 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 7B2AEC43381 for ; Mon, 11 Mar 2019 13:19:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 559FE20657 for ; Mon, 11 Mar 2019 13:19:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727369AbfCKNTB (ORCPT ); Mon, 11 Mar 2019 09:19:01 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:48412 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726977AbfCKNTB (ORCPT ); Mon, 11 Mar 2019 09:19:01 -0400 Received: by mail-io1-f69.google.com with SMTP id w19so4097393ioa.15 for ; Mon, 11 Mar 2019 06:19:01 -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=CiBdsrxe7Q+BpR6/zhVW7iqKkAZ8EPTAP+vbf8QPmUo=; b=hI6hmyBFcfYFNMLC4SJqN+QEtojcFfMHPsiDLaxeXxzigMPAGxye+RcJf/cgVqv6TK jFE+72nO0CPpv2OZVoWHHANZ6cI+zRcJUHRvZEWj7sxGP3pHgWKdh/gIDX2MnJypTwii fVxGbZmZguL7P0D/kV2SsoEzVD+Ari52qSO2WLJ2SyqwFSifvHZjtPYqTZgpRWuD1D1Q EBY2R+9rRrLKwtjlQW1hlJ5c9Y+y14AFvJE/Wf0y6QQpRx3h8T0yHN/NysNnlwaFoXgQ FT3YDRGn4hEmxT5MR2ViwdWH74SJDxdr9Rt2+fphTAKUVGug4wDJgaFvhGz1OxaRgLpQ artA== X-Gm-Message-State: APjAAAUmnlhKkrBS9d69Z52adYm098SeZRZJUzVjjYH0/1GlqghMfMYz HswsHlHGHUz//86TQmfppH7l9eJkNmS/afIoJV4i0Ov3JLTB X-Google-Smtp-Source: APXvYqzVeOkVXhdETJlGlFcVHQSBSiNRLf4s4TFKqj4YsmczJGxLz9ph7FYqrySgvZKjftcHd3frLPh9b+f717c/UiqrLgJD5BkN MIME-Version: 1.0 X-Received: by 2002:a24:5a04:: with SMTP id v4mr20638666ita.37.1552310340647; Mon, 11 Mar 2019 06:19:00 -0700 (PDT) Date: Mon, 11 Mar 2019 06:19:00 -0700 In-Reply-To: <000000000000cc734405836318dc@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006f91c90583d16a9d@google.com> Subject: Re: general protection fault in sctp_sched_rr_dequeue From: syzbot To: davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, lucien.xin@gmail.com, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com, vyasevich@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 7efba10d6bd22030fb5931e50bf97496f932f00e Author: Xin Long Date: Mon Jan 28 07:08:46 2019 +0000 sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER sockopt bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14eec757200000 start commit: 7efba10d sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16eec757200000 console output: https://syzkaller.appspot.com/x/log.txt?x=12eec757200000 kernel config: https://syzkaller.appspot.com/x/.config?x=872be05707464aaa dashboard link: https://syzkaller.appspot.com/bug?extid=4c9934f20522c0efd657 userspace arch: amd64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11cd9b03200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=127de8e7200000 Reported-by: syzbot+4c9934f20522c0efd657@syzkaller.appspotmail.com Fixes: 7efba10d ("sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER sockopt")