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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 4FBEBC2BB1D for ; Fri, 10 Apr 2020 17:50:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 36F2C207FF for ; Fri, 10 Apr 2020 17:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726680AbgDJRud (ORCPT ); Fri, 10 Apr 2020 13:50:33 -0400 Received: from mga12.intel.com ([192.55.52.136]:25764 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726582AbgDJRud (ORCPT ); Fri, 10 Apr 2020 13:50:33 -0400 IronPort-SDR: kFIH2GHpRVUL73pM1xZn27LfiopGgQw37h4wRw5Lgq0NfOow6Uk8gcMwFfYEPy9UKJjKxoRw4m ZvcATklV1McQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2020 10:50:33 -0700 IronPort-SDR: q5+ghInNYb2qr4jmUbRCOcsBHQwXwgF70HvFRePPvBftwSe+OIWlTTyk8PYiYTpBR93glK2pdm kvubUt0J3z1Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,367,1580803200"; d="scan'208";a="255539207" Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.202]) by orsmga006.jf.intel.com with ESMTP; 10 Apr 2020 10:50:33 -0700 Date: Fri, 10 Apr 2020 10:50:33 -0700 From: Sean Christopherson To: syzbot Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, syzkaller-bugs@googlegroups.com Subject: Re: KASAN: slab-out-of-bounds Read in gfn_to_pfn Message-ID: <20200410175032.GE22482@linux.intel.com> References: <000000000000046e4f05a2f24a4b@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000046e4f05a2f24a4b@google.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, Apr 10, 2020 at 09:33:11AM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: f5e94d10 Merge tag 'drm-next-2020-04-08' of git://anongit... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1450c657e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=ca75979eeebf06c2 > dashboard link: https://syzkaller.appspot.com/bug?extid=25a50e1a4e196faed650 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > Unfortunately, I don't have any reproducer for this crash yet. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+25a50e1a4e196faed650@syzkaller.appspotmail.com #syz dup: KASAN: slab-out-of-bounds Read in __kvm_gfn_to_hva_cache_init