Received: by 2002:ac0:a594:0:0:0:0:0 with SMTP id m20-v6csp1764544imm;
        Wed, 16 May 2018 02:43:17 -0700 (PDT)
X-Google-Smtp-Source: AB8JxZoJFmD0nGMOlVK4ZX1Tvzg4deTeI4UQHl/K02IhE59D94c6dhNau38aUybotGvfoMVAdEbA
X-Received: by 2002:a63:b201:: with SMTP id x1-v6mr130675pge.266.1526463797531;
        Wed, 16 May 2018 02:43:17 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1526463797; cv=none;
        d=google.com; s=arc-20160816;
        b=MwHkDThRQ8Z6JhP/ijxaHv1pkkGnrQD3n8Go4E72UvyZxT4P03Art+rQo1W/EyEgYu
         Wi1D/mSoQM0AJef8AwSftrCunFa9wKPi/XI6l3coF5mldiRXUH0RpQNOWyKzFHxOvnIY
         c2BJrZ1zLMNICTWrMpmLxRG8qux6SVXHcmy/+9irPxaTaKbQ6NAWucp2Ky7GFWIlX4pl
         OwNzZiBYFzXN6wQR7dDuih+dhEP5SGkHNolrHcG+8n3YEJOCjnVLMnENmwcdH19VYeok
         LgJVkTRgxSjbizabppTCZWEHQwowASE1kOkDaH+6+ZBAV9ewUP9AO8iJhqdfU48IVmG0
         SFVQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:sender:cc:to:subject:message-id:date:from
         :in-reply-to:references:mime-version:dkim-signature
         :arc-authentication-results;
        bh=jwnF1donnjkxDxmmqmovOxMUTfHOWIZDcy6+YId81Iw=;
        b=N4XYxoyC5yoE6d7WGWhfr1p2qtxNLvEBxZDzmHIx6AeRpuLaUckQfg6SegSuNU1jLP
         fef3BSectdbzJnnqSLbskQcVPRCX88c9mT37HhSDJK0tOoCJzyWSc95AKjJP7TK3N/vT
         e5uw/AIQp8YxhviWGaET9srSJZjeRf5fo+gKn7X8jiJEvy+zYO19EYoQu/W/U77kvkRq
         Urg4D5ntYY2k03ZiOOqlzMECeEG+zf5BcCKyh2qjedudlSD/kTqxEcEbSdaXoMl33+kI
         L3IFOW+TurRrBTwoVroT9MGfHq8ekYdv7D5SCvWi0IQ7a3j/ssMn7rQ657VvCVhHBF7c
         2PZw==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@google.com header.s=20161025 header.b=HcfbfuD4;
       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=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67])
        by mx.google.com with ESMTP id t18-v6si2201981plr.240.2018.05.16.02.43.03;
        Wed, 16 May 2018 02:43:17 -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;
       dkim=pass header.i=@google.com header.s=20161025 header.b=HcfbfuD4;
       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=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752243AbeEPJms (ORCPT <rfc822;charleyewang@gmail.com>
        + 99 others); Wed, 16 May 2018 05:42:48 -0400
Received: from mail-ua0-f169.google.com ([209.85.217.169]:39448 "EHLO
        mail-ua0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1751395AbeEPJmq (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 16 May 2018 05:42:46 -0400
Received: by mail-ua0-f169.google.com with SMTP id v17-v6so85403uak.6
        for <linux-kernel@vger.kernel.org>; Wed, 16 May 2018 02:42:45 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=google.com; s=20161025;
        h=mime-version:references:in-reply-to:from:date:message-id:subject:to
         :cc;
        bh=jwnF1donnjkxDxmmqmovOxMUTfHOWIZDcy6+YId81Iw=;
        b=HcfbfuD47QDuhhv2P5Vzt6NW2ImKVvqgCl1LaCI0aoNOkrFRHNiCsxNxxjUiQnOo2c
         rUmcIeednFbWHeN8oaXoQncg0U1kTSs7MDco9/21CAX6MAJWSUxIZy1wMjTcUvZOjILL
         uD6zs7XAr8SHh9yrYFvCvubWFPfBxozMGN2rDueg4N3PNqLvTRxiieuJugUeV0fYKHJk
         OB5iTGO4p48d4x0r4CijDcT1z4ZkIrBsNsPzGilZlezxLgML7tFsyJJ8aDS2qAuOXS+1
         WGIFc2Xxn180/Jbh038IVgyxMToaKsXQlZhAak4FELRGVkhhzW2hxQXBrC6YtlYOzS9A
         dqHg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20161025;
        h=x-gm-message-state:mime-version:references:in-reply-to:from:date
         :message-id:subject:to:cc;
        bh=jwnF1donnjkxDxmmqmovOxMUTfHOWIZDcy6+YId81Iw=;
        b=VbX6VewljE7t5Q+vNrw9G1CRuwRjApBR07yCz7dEWWgnqEoyF9xhW2BLkfr5ZoNlXN
         Y9fomsdNrilICN/XvKIAjj1sDJIHeVZd0UIYaKxbA+kYM1fLR+t0Zqdki58aCFEeQZOY
         iSU7LPMzh1PRhcAUVjkaNNowJfFggB9Ca0Umj/z594n8jHxTxv0DdXmAOhUyR0yBoaTc
         kRIx2WLd0Z63yCa3053yRwLvXXPHd1FDayti+JWiGvidc1SOsogY4B6c1h34h91jlduR
         3FBI7WeeLs1Uiubmb3WFgjfjFuTFWBZr51s1k1xVRmPiIcDMnRbUsO/YmMLmz9dhamR3
         rpNw==
X-Gm-Message-State: ALKqPwdTEzVczQde4XZKyan0mP8o8GCEZkp9E+qZAfNVPZ7c7Qz9y9nj
        z/+90udhlN0yrkLSdQAHDglaFNRekK0v9UtNtXZEbU7Z0go=
X-Received: by 2002:ab0:5257:: with SMTP id j23-v6mr150232uaa.70.1526463764804;
 Wed, 16 May 2018 02:42:44 -0700 (PDT)
MIME-Version: 1.0
References: <0000000000004f4075056c410b96@google.com>
In-Reply-To: <0000000000004f4075056c410b96@google.com>
From:   Alexander Potapenko <glider@google.com>
Date:   Wed, 16 May 2018 11:42:32 +0200
Message-ID: <CAG_fn=V_sXGGYpi+DAqE3BUJBTWUc59vLeLQxUmBgsiMDjMUGw@mail.gmail.com>
Subject: Re: KMSAN: uninit-value in __sctp_v6_cmp_addr
To:     syzbot+85490c30c260afff22f2@syzkaller.appspotmail.com
Cc:     David Miller <davem@davemloft.net>,
        LKML <linux-kernel@vger.kernel.org>, linux-sctp@vger.kernel.org,
        Networking <netdev@vger.kernel.org>, nhorman@tuxdriver.com,
        syzkaller-bugs@googlegroups.com,
        Vladislav Yasevich <vyasevich@gmail.com>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

#syz fix: sctp: handle two v4 addrs comparison in sctp_inet6_cmp_addr