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[209.132.180.67]) by mx.google.com with ESMTP id f31si5533690plf.244.2019.03.11.06.21.00; Mon, 11 Mar 2019 06:21:16 -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 S1727388AbfCKNTB (ORCPT + 99 others); Mon, 11 Mar 2019 09:19:01 -0400 Received: from mail-it1-f199.google.com ([209.85.166.199]:43105 "EHLO mail-it1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726826AbfCKNTB (ORCPT ); Mon, 11 Mar 2019 09:19:01 -0400 Received: by mail-it1-f199.google.com with SMTP id w200so5017552itc.8 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=s5lWAnbSMwaCuRjkLeDQAwxqLPXP/gLjmgOSm1tDFLB5ouE2q2HMAYmI9P8AiaDeA9 IYrzanpWFJpNLLCzUPzG9UeCR1lwiKc4dpEyfpCDavnfra/8HKrtZnw6Mt6r7A1Uq5gW YvetwOwe/ur83/bfKSn0xQLZIA7DHg0l8+Yn60Zuoi3WoZYiRUNE8fAsPeqqrp/gCrEu ZhMhJcy5Xh7Dn8i1rRfLgJbMc5QBCn+bMRlcAo5njOoZS/zBvgpKl3yuEWhdFIysv8xO bC5oqOKkR7uyTR4UpaA7mmKeLtpNh/nOCHQ6bLck6YTFDRcHK0bXDil7F5sEUou5SNFj po6A== X-Gm-Message-State: APjAAAUftjhSVuImulIcliKbEmeYfyspB5kShshbs9J7OTzxbnZaDR5J QHDvL7Q+ZVuKpvmz07xhlFMBmvo0Uhkywl9eJhTFSpaCNclS 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: 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 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")