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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,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 9BCC2C28CC5 for ; Sat, 8 Jun 2019 21:17:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 766D0214AE for ; Sat, 8 Jun 2019 21:17:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727528AbfFHVRB (ORCPT ); Sat, 8 Jun 2019 17:17:01 -0400 Received: from mail-it1-f199.google.com ([209.85.166.199]:42624 "EHLO mail-it1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727456AbfFHVRB (ORCPT ); Sat, 8 Jun 2019 17:17:01 -0400 Received: by mail-it1-f199.google.com with SMTP id k14so1095658ita.7 for ; Sat, 08 Jun 2019 14:17:00 -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=pUXnTCGmDRM9Fiu3UMhwQKrlTPjkftTdr4gBjp4i6Ps=; b=p7TGNoQhFVTUlM3+LeXrsbE+N5Hx2X5fR5NjbZqz6QJSWh1bO+f1u60t5d7Sfqs8lB h1+XB4NAKVld26zTjvcjFNITBIqnNiZjO3aJhTs2mrqnbMZs40tJ+J0lTWb4TS01xnCC qOXXRjUEtuF8Yrm15TXIAa0zyWXXBGiEQMTia7kv6HP39c134EZe8lgUlzAhdGr/fI/z y8f/hHpFHi11Kkl8WXPXWc+2a+pUUS/SbPRhE7FBKhEjilOJpcDDeuZKDWE7LjRZpM9o 7gqmJwl0QegOtqVcVDSp3oQBQuiipaKYgfoHm4BTgCveZovPmS+xXM7SEHf/eW8or++f AjNQ== X-Gm-Message-State: APjAAAXcDva3K6J4ckqFIALCbrAjO1gvklEZzQ2mY5wx9qAriNI7UXWj FhBHwb+mZ/zqyy0i70PRxm2gV6OOzdGFx4l5qhAHl/0H2pr4 X-Google-Smtp-Source: APXvYqyc2nXveQl5DBuQDOiIyH/k1sTlPNyXQsmCmi+humPK9XlBkbhTw6PRCCBbfDhnuV5GcSPLM1WROKpXmdcxP8xM3qragnxh MIME-Version: 1.0 X-Received: by 2002:a24:2b8f:: with SMTP id h137mr8306276ita.162.1560028620312; Sat, 08 Jun 2019 14:17:00 -0700 (PDT) Date: Sat, 08 Jun 2019 14:17:00 -0700 In-Reply-To: <000000000000a802e6058ad4bc53@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c0d84e058ad677aa@google.com> Subject: Re: general protection fault in mm_update_next_owner From: syzbot To: aarcange@redhat.com, akpm@linux-foundation.org, andrea.parri@amarulasolutions.com, ast@kernel.org, avagin@gmail.com, daniel@iogearbox.net, dbueso@suse.de, ebiederm@xmission.com, john.fastabend@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, oleg@redhat.com, prsood@codeaurora.org, syzkaller-bugs@googlegroups.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 e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650 Author: John Fastabend Date: Sat Jun 30 13:17:47 2018 +0000 bpf: sockhash fix omitted bucket lock in sock_close bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15e978e1a00000 start commit: 38e406f6 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=17e978e1a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13e978e1a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=60564cb52ab29d5b dashboard link: https://syzkaller.appspot.com/bug?extid=f625baafb9a1c4bfc3f6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1193d81ea00000 Reported-by: syzbot+f625baafb9a1c4bfc3f6@syzkaller.appspotmail.com Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") For information about bisection process see: https://goo.gl/tpsmEJ#bisection