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 DF9EFC5DF61 for ; Thu, 7 Nov 2019 13:42:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B64C62187F for ; Thu, 7 Nov 2019 13:42:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389338AbfKGNmT (ORCPT ); Thu, 7 Nov 2019 08:42:19 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:49434 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389127AbfKGNmL (ORCPT ); Thu, 7 Nov 2019 08:42:11 -0500 Received: by mail-io1-f70.google.com with SMTP id x1so1844074ior.16 for ; Thu, 07 Nov 2019 05:42:09 -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=e82UTgwLSYIZvR2zraa9Nggc087nss86NXJiBWUJu+E=; b=RNHOVyjaA/G0ds3NxQypcPUPna+mAmz6gOOsIk6bfdPrp/Wd0MDOKk21FQpl2cTMmB HMit5luEbkbkYzpnZEagEGPfnvG9hHbmwOMaTiuXUrpjC02C1EQ2fOds9xJ1MVLDE5pz /hcis9+pXfe63KBPUSLmnOt0KLPTJsVhGhO8mFi8xFq3caK3DeEYQVnkuPYegST3QANg LCmBMQFglEPx8TLLhHx5OMqiCNa6YkeC1UuJMLojUK0QVb3KbJ042G+kSLHkDTh/rvV6 IiicDcWMpioUg8Hc510g5++JT3tdb8ogVu+hojvN5k6JLNFK9WSLLma0+rBSwYtVLe7p Z2qQ== X-Gm-Message-State: APjAAAW/JZOHfh6Xp61p4ozP5St1vU9JqtTkt86l6F74NOvoK21GAaWy NVSTikEDBgg+4p3jvAi1NWij0Sw/sZp0pVH+548uY+kYRjWk X-Google-Smtp-Source: APXvYqy2SR949y+R/aVsMmYYpVrF/WYb/9SXBHKSkoi9zyTyoMPvuzLrrPMK2lAbn35Yo+YCSE2zXinrZz2HbDMgOboAl0ltcz5n MIME-Version: 1.0 X-Received: by 2002:a92:35dd:: with SMTP id c90mr4277087ilf.191.1573134129105; Thu, 07 Nov 2019 05:42:09 -0800 (PST) Date: Thu, 07 Nov 2019 05:42:09 -0800 In-Reply-To: <0000000000000cc0de0572736043@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f3131f0596c1d4ed@google.com> Subject: Re: KASAN: use-after-free Read in __schedule (2) From: syzbot To: hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, liran.alon@oracle.com, luto@kernel.org, mark.kanda@oracle.com, mingo@redhat.com, patrick.colp@oracle.com, pbonzini@redhat.com, rkrcmar@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.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 suspects this bug was fixed by commit: commit 26b471c7e2f7befd0f59c35b257749ca57e0ed70 Author: Liran Alon Date: Sun Sep 16 11:28:20 2018 +0000 KVM: nVMX: Fix bad cleanup on error of get/set nested state IOCTLs bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14830572600000 start commit: 234b69e3 ocfs2: fix ocfs2 read block panic git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=5fa12be50bca08d8 dashboard link: https://syzkaller.appspot.com/bug?extid=ceded3495a1d59f2d244 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1634bbae400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1728324e400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: KVM: nVMX: Fix bad cleanup on error of get/set nested state IOCTLs For information about bisection process see: https://goo.gl/tpsmEJ#bisection