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=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 54BD5C43381 for ; Sat, 16 Mar 2019 14:09:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 255E1218FE for ; Sat, 16 Mar 2019 14:09:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726767AbfCPOJB (ORCPT ); Sat, 16 Mar 2019 10:09:01 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:32782 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726064AbfCPOJB (ORCPT ); Sat, 16 Mar 2019 10:09:01 -0400 Received: by mail-io1-f71.google.com with SMTP id n15so9503756ioc.0 for ; Sat, 16 Mar 2019 07:09:01 -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=mdx1Tr+U8/cTvqNjg2L8RR0jt1fW4ZLI1VGMJj9BJoc=; b=k8/uUaWktRk0Obus+GM0ukri3LILIzCll4i69uO1twk8Ac0JZKTZHVzDp1eL5eIWec SqKYpe56GeAWdcFBqDs9RrX2Rl2TySO8ZsFUxwrQL+8uwDXnx4fX1i7/opyEGH09pvma IdYsQdQbSKSc4JZjPhEfZepQXptKurE382DmlhBC/uGO4KtAHuiveJni4smlW7IjCrzR Ngeh9bAQenSgO6AQRLRpL5lonbGTJ28aa+IqMVjsy/hL6yCRoWkN+86VyvaNBp6OuBh8 ZRQnkawCJilKuklylOFQ7NTfAbulSrQ8by4iIpRmWfY/b135duDt39vopLiGXGQG19Wf XP3w== X-Gm-Message-State: APjAAAXQM3T6JR9fj79DUDyvzDq3G8EHEMVo58vdA/4BWgxXqNpfMFtW baRB1rrjUXOO1mD3GLo3bqeqlZEsJN36fszNJLaCwfiVQ4Iz X-Google-Smtp-Source: APXvYqyGskTuuP2wuKMBNWZqi/D+82hTeHNUomXy4EELlpwj/7C+9rJTSQancETC6/DB5WYp2xtbwtERA2a8AqyfoQes5qUJtGyq MIME-Version: 1.0 X-Received: by 2002:a6b:ec0d:: with SMTP id c13mr5710117ioh.23.1552745340692; Sat, 16 Mar 2019 07:09:00 -0700 (PDT) Date: Sat, 16 Mar 2019 07:09:00 -0700 In-Reply-To: <00000000000089bb100583e5fe7a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000757009058436b23f@google.com> Subject: Re: general protection fault in sctp_assoc_rwnd_increase From: syzbot To: davem@davemloft.net, dvyukov@google.com, 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 89664c623617b1d34447a927ac7871ddf3db29d3 Author: Xin Long Date: Sun Mar 3 09:54:53 2019 +0000 sctp: sctp_sock_migrate() returns error if sctp_bind_addr_dup() fails bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17b17777200000 start commit: 89664c62 sctp: sctp_sock_migrate() returns error if sctp_b.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14717777200000 console output: https://syzkaller.appspot.com/x/log.txt?x=10717777200000 kernel config: https://syzkaller.appspot.com/x/.config?x=b613f0327d980b6b dashboard link: https://syzkaller.appspot.com/bug?extid=85e0b422ff140b03672a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12613b13200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f1884d200000 Reported-by: syzbot+85e0b422ff140b03672a@syzkaller.appspotmail.com Fixes: 89664c62 ("sctp: sctp_sock_migrate() returns error if sctp_bind_addr_dup() fails")