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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 DB2CBC432C0 for ; Fri, 22 Nov 2019 07:19:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA98E2068F for ; Fri, 22 Nov 2019 07:19:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726910AbfKVHTC (ORCPT ); Fri, 22 Nov 2019 02:19:02 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:42891 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726861AbfKVHTB (ORCPT ); Fri, 22 Nov 2019 02:19:01 -0500 Received: by mail-io1-f71.google.com with SMTP id p1so4257299ioo.9 for ; Thu, 21 Nov 2019 23:19:01 -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=1cUcF3hJKE1N4P4WyddDQmYqcNZvFWfBMCxod9a8Ztg=; b=JPm+GhI76Xrrb4t/xJpZUjPPGqivGM0ocK7wKIeBBIq3uFHQ6xlUMgU4bE3KR1gMcr cA8Lln8nmFY0O+zog+HLi0aESlJaMayURpAv4KMY/K7EiZALCjg57yqjgV+q3lwpvG2v S2aeO7WMC8mN+wTEZrzb8cbU39ValV01YXJ1fMPhB8ZqE9vzqGlNSkiOlz279vksqKog wE9LtSIScBqN4V7xiDI1L1kFhfMzIjX7XQE2z39OTxsX6UU/jtpP+OTsbxWdSg2465cY B12Z3mwjh1IoiEQMpnaerMafcNjrFyLHwgR89zWH2PGEfwHju9PThGoJ1P1g4YJm7SKF DisQ== X-Gm-Message-State: APjAAAWLg0e/oTtr5jd1za8xEVsr79cwQ4DLW7QnbhzLcBDqMGC1FuGV MmxNvnQd3scDxH+kI5XWm3ZECxq4hz6xEfhCJyS2IiUUAgWb X-Google-Smtp-Source: APXvYqz7YQR3Ph2vR2o/JQ6Y+lyCMjwoGf4NoUXt8LcJXs8VhmLZT2rHE8UUekeFjpMnBlonHBj9FzFznQfgOmicwRtoMmh+YsCi MIME-Version: 1.0 X-Received: by 2002:a92:3602:: with SMTP id d2mr14510424ila.7.1574407140976; Thu, 21 Nov 2019 23:19:00 -0800 (PST) Date: Thu, 21 Nov 2019 23:19:00 -0800 In-Reply-To: <000000000000e67a05057314ddf6@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005eb1070597ea3a1f@google.com> Subject: Re: general protection fault in __schedule (2) From: syzbot To: casey@schaufler-ca.com, frederic@kernel.org, gregkh@linuxfoundation.org, hpa@zytor.com, jmattson@google.com, jmorris@namei.org, karahmed@amazon.de, kstewart@linuxfoundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, pasha.tatashin@oracle.com, pbonzini@redhat.com, pombredanne@nexb.com, rkrcmar@redhat.com, serge@hallyn.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org syzbot has bisected this bug to: commit 8fcc4b5923af5de58b80b53a069453b135693304 Author: Jim Mattson Date: Tue Jul 10 09:27:20 2018 +0000 kvm: nVMX: Introduce KVM_CAP_NESTED_STATE bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=124cdbace00000 start commit: 234b69e3 ocfs2: fix ocfs2 read block panic git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=114cdbace00000 console output: https://syzkaller.appspot.com/x/log.txt?x=164cdbace00000 kernel config: https://syzkaller.appspot.com/x/.config?x=5fa12be50bca08d8 dashboard link: https://syzkaller.appspot.com/bug?extid=7e2ab84953e4084a638d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=150f0a4e400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f67111400000 Reported-by: syzbot+7e2ab84953e4084a638d@syzkaller.appspotmail.com Fixes: 8fcc4b5923af ("kvm: nVMX: Introduce KVM_CAP_NESTED_STATE") For information about bisection process see: https://goo.gl/tpsmEJ#bisection