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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 CC611C43331 for ; Sun, 10 Nov 2019 18:22:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A895A20818 for ; Sun, 10 Nov 2019 18:22:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727083AbfKJSWD (ORCPT ); Sun, 10 Nov 2019 13:22:03 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:46593 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726684AbfKJSWD (ORCPT ); Sun, 10 Nov 2019 13:22:03 -0500 Received: by mail-il1-f199.google.com with SMTP id i74so14673410ild.13 for ; Sun, 10 Nov 2019 10:22:01 -0800 (PST) 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=6IYsbyGOlas2TYkBAA+OX3C+c+c7PZmkmS2Lj4e2olM=; b=sP/3ML5Fye3iddIIgWg59gsHljUSSIw1CEdofoRRs3NQ6EVEwM4dleC0sW5qeIKIY+ /7PUshBLH7Xk7J+qrvU1bxaz36K+9F7B5IH3O44BSfwS+Z2qDwE2iG0fNQwKXHe9ywLm 0hP9103pi3kRQUBt9RC4COtRT7elYI+AjNyhfJ9td5TwoCzA12xE7pmwz/ZXXShQNlQd rOUu/skTRlOPCunZyitChOuRXTbLIq1EJIklbgEg9cw1t5PJYnCZ3k+xXtndrl09JfY9 +AXmZqw5Rc85HdIKotSMm0zsx58EuJULcPL+WZorxivcxVq0kfPAbTYb22OprdkYxfG3 FfYw== X-Gm-Message-State: APjAAAVTWQ4OjvxmFvBlbc/9zQw1HvOhZFZI8OvjT+DTjh9AmcMKZvCf S5vxs7RXpTJdJY9ncfN4DFrEpb2t/jFmF4FcMO0BK9RH2RvP X-Google-Smtp-Source: APXvYqwMQzZ1opUlIK8pdiq3H2xsR+xRhM/WZ5LyKgYFGDDzAwpnulN1V5k5E71tn+RB6nDtjNGlfXgoCchmQxi7xESS5hCBRlUI MIME-Version: 1.0 X-Received: by 2002:a92:48cf:: with SMTP id j76mr25098653ilg.189.1573410120472; Sun, 10 Nov 2019 10:22:00 -0800 (PST) Date: Sun, 10 Nov 2019 10:22:00 -0800 In-Reply-To: <000000000000be219705967f9963@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000051218f059702171a@google.com> Subject: Re: general protection fault in kvm_coalesced_mmio_init From: syzbot To: jmattson@google.com, junaids@google.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com, syzkaller-bugs@googlegroups.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 9121923c457d1d8667a6e3a67302c29e5c5add6b Author: Jim Mattson Date: Thu Oct 24 23:03:26 2019 +0000 kvm: Allocate memslots and buses before calling kvm_arch_init_vm bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13eaf7ece00000 start commit: 00aff683 Merge tag 'for-5.4-rc6-tag' of git://git.kernel.o.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=101af7ece00000 console output: https://syzkaller.appspot.com/x/log.txt?x=17eaf7ece00000 kernel config: https://syzkaller.appspot.com/x/.config?x=896c87b73c6fcda6 dashboard link: https://syzkaller.appspot.com/bug?extid=e27e7027eb2b80e44225 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ed65aae00000 Reported-by: syzbot+e27e7027eb2b80e44225@syzkaller.appspotmail.com Fixes: 9121923c457d ("kvm: Allocate memslots and buses before calling kvm_arch_init_vm") For information about bisection process see: https://goo.gl/tpsmEJ#bisection