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,URIBL_BLOCKED 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 D8A36C43381 for ; Thu, 21 Mar 2019 03:34:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF3BB218AC for ; Thu, 21 Mar 2019 03:34:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727913AbfCUDeC (ORCPT ); Wed, 20 Mar 2019 23:34:02 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:54731 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727507AbfCUDeB (ORCPT ); Wed, 20 Mar 2019 23:34:01 -0400 Received: by mail-io1-f70.google.com with SMTP id c17so2841631iom.21 for ; Wed, 20 Mar 2019 20:34:01 -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=mTOvCXkdsi5TD05/HnWWDtFxRFA+wTXdCySkbn4fgVE=; b=cmICPsCy/gS9sUSC4XjE/5J+a5rucqg9zS470ML1MvFInj19EtT1I4WmX2UIimRRiT N3rLQn7F49oJ+9TKxj9IZRJkGU6qL3hlgur/AqbUpoPDns9C6b4ojhPAWSS9kJGaHXCY 0+gnvOL8+1u3GXrB/WSAYWoEz1ICItDisJifMf7d9a3Pe4Bc+AACdzs6YB3+ihNNIQc1 8bNHZ6kFBe/AzimeMeIfCkwW43bChsVuReyiOwowloUUL7KiSm7yWEb3WRFa+LfnkfGx Ywjx/Vrapkl1OnReieKq2aWnRmeDtcQhAoT0c5YAtB6JUjVl9cDrb1zZYZomzxJb3Ds2 JuOg== X-Gm-Message-State: APjAAAVdXRWN+xLA3f+WxY6lcuYqW0P03cqwibce3tq+dNgP76xVDrJE BVNx4euh+SirMpuFtO25o4TJ06hUcwGewzo00oSjvfoBxvhQ X-Google-Smtp-Source: APXvYqyJ1OeEfrbbP472DGBNSp6TPz2cY7sxlzHrOiwQFC68q2ULtpuaYlc2iuX46eS7exuPiuDphTZfduQaoGJB5PjKkZjCSJ0B MIME-Version: 1.0 X-Received: by 2002:a24:9796:: with SMTP id k144mr585535ite.0.1553139240613; Wed, 20 Mar 2019 20:34:00 -0700 (PDT) Date: Wed, 20 Mar 2019 20:34:00 -0700 In-Reply-To: <000000000000fd464c057a679adb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b93e5a05849268b9@google.com> Subject: Re: KASAN: use-after-free Read in update_blocked_averages From: syzbot To: davem@davemloft.net, dvyukov@google.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, sbrivio@redhat.com, sd@queasysnail.net, syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org 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 b8a51b38e4d4dec3e379d52c0fe1a66827f7cf1e Author: Stefano Brivio Date: Thu Nov 8 11:19:23 2018 +0000 fou, fou6: ICMP error handlers for FoU and GUE bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11e33c17200000 start commit: b8a51b38 fou, fou6: ICMP error handlers for FoU and GUE git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=13e33c17200000 console output: https://syzkaller.appspot.com/x/log.txt?x=15e33c17200000 kernel config: https://syzkaller.appspot.com/x/.config?x=dcbea7daf3ea3e3e dashboard link: https://syzkaller.appspot.com/bug?extid=0dbf864d3b52555e8265 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137ae6d5400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15dbd77b400000 Reported-by: syzbot+0dbf864d3b52555e8265@syzkaller.appspotmail.com Fixes: b8a51b38 ("fou, fou6: ICMP error handlers for FoU and GUE")