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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F22C6C433EF for ; Wed, 6 Oct 2021 22:52:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2C2361177 for ; Wed, 6 Oct 2021 22:52:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239597AbhJFWyE (ORCPT ); Wed, 6 Oct 2021 18:54:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42086 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230047AbhJFWyD (ORCPT ); Wed, 6 Oct 2021 18:54:03 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98202C061746 for ; Wed, 6 Oct 2021 15:52:10 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id np13so3329405pjb.4 for ; Wed, 06 Oct 2021 15:52:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=X9+rzqyyLmnUi5V9eAJJM1v9frRed3OJmyIch0eqPL0=; b=e3SL+nSUGhThIontz9MC6LQV9uc/k7lXXP1LdB+BIT8SvnItXfWFOQeT3NFyWAxOdd nZG55+J2daSpVBGKHM+0QEPoZU0jFE/HVZ2iBINV5sBPQ3UXQI++SzdHxu/W0Fc0dAk3 QMi7Tv+4CW2+oXAuTb2v7Su40+X/8ng9F+pQIT4yWnR7E5Gyrf/WACGsyLjOsABowEJS +oVFzzeUhYm7A55yr9zJPwJnFT+MX7cpdG91bsTxFAusxsPsl+6aqqGOBUoMzERmtlod sO16/sQDZ2lPzWkWWMQ1mEwK4P0kX5e8r6BmM8YKNXyk5UM+0I1PjpGcomMG8CMSiN/H Z08w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=X9+rzqyyLmnUi5V9eAJJM1v9frRed3OJmyIch0eqPL0=; b=v7en9ztmOg/gXIxp9cYj5/YJgQHQHnFjDnLDw42uLJs+IWLqsjOXD/weP3qrhYiMru gI/OZWK7O4PYx8eS0PX8dQDBf5J0M9D/PRgBKRsSIH9Inx4QduKyp+uyxl3PHazeO7zs cxbX8kgJUwZPsfMggBvec2ZTxEMZZX4Wu32rvZVJCL2kK+8czaaZ1yB9oku0ahEXWN5/ FFSP65mkbmvDTTS99O1lWK5Pj9mEucOf6tr8UQ0qsc4RZ7wUwAuXSBlSa16w+825gq8e eDnc8PEAPSzwEoZFtZe+NHyLFvkWFUF33Wn2kZATgm8zXLEv3biefL3wPDr5q6yJ9iaJ 7VHQ== X-Gm-Message-State: AOAM530uxQ0WPZFhrMOkhlubzeD6lBE2q3gRPA5gZHboWbqI7jynfBi4 I+T2Uz+1+zIw6nXjn9bGV+CQ6Q== X-Google-Smtp-Source: ABdhPJxbjLJju96OyFLkHu4aAAUct/Jk4TlYl9RxbnDwdQRzR7Zy/MRUeBfIjj1chkE51TkITn8NMw== X-Received: by 2002:a17:90a:bb82:: with SMTP id v2mr305066pjr.57.1633560729928; Wed, 06 Oct 2021 15:52:09 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id y8sm22118302pfe.217.2021.10.06.15.52.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 15:52:09 -0700 (PDT) Date: Wed, 6 Oct 2021 22:52:05 +0000 From: Sean Christopherson To: syzbot Cc: axboe@kernel.dk, bp@alien8.de, hpa@zytor.com, jack@suse.cz, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, paolo.valente@linaro.org, pbonzini@redhat.com, reijiw@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org Subject: Re: [syzbot] general protection fault in rcu_segcblist_enqueue Message-ID: References: <00000000000084943605c64a9cbd@google.com> <0000000000002f208405cdb6f447@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0000000000002f208405cdb6f447@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 06, 2021, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 067a456d091d05fdae32cae350410d905968b645 > Author: Sean Christopherson > Date: Tue Jul 13 16:32:43 2021 +0000 > > KVM: SVM: Require exact CPUID.0x1 match when stuffing EDX at INIT > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15d871b7300000 > start commit: 0319b848b155 binfmt: a.out: Fix bogus semicolon > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=faed7df0f442c217 > dashboard link: https://syzkaller.appspot.com/bug?extid=7590ddacf9f333c18f6c > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1308d0ed300000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: KVM: SVM: Require exact CPUID.0x1 match when stuffing EDX at INIT LOL, close? At least syzbot found a KVM commit. #syz fix: KVM: x86: Handle SRCU initialization failure during page track init