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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 F1604C4363A for ; Thu, 29 Oct 2020 14:10:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3C5B207BC for ; Thu, 29 Oct 2020 14:10:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726794AbgJ2OKL (ORCPT ); Thu, 29 Oct 2020 10:10:11 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:57190 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725300AbgJ2OKL (ORCPT ); Thu, 29 Oct 2020 10:10:11 -0400 Received: by mail-il1-f198.google.com with SMTP id y15so2028537ilq.23 for ; Thu, 29 Oct 2020 07:10:09 -0700 (PDT) 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=/Lhss/Vh0kVkE5y7FS4pI9/ATyOMwIe6l8v1CVu9F2s=; b=qpeHTqxEhkxAbjVRw3mx4YRDG+K3dFzb651PpXAY0qAqHpn1RIXOpV1ziTT+f4cRRe 9LPMIqw5CL0SOKsy9LH57XlrAuiEJ+aCLu2ytYIWHM4COXkQ8Dg0A2HFWE2x8zoYRolC +t8yXTF4i66u+40msnoj2SFgeP2vFgJGjc6T5yA3y7HUWxokzsc//4LCRXDI/zUo+/74 GwaZC233pXtiEL5WCo6KJWJzKJpSDOyT/vyAYvT98fK/3p8hPQbZGFiUGdHeijM9bks/ 7a8EJg0PnGIdjPNGCr6mbTgqw0C+YQopEA4Ebu2KM/QcsbtkW2jEJa6bO6SKAEdsNTdD NE8w== X-Gm-Message-State: AOAM533H2PKrRwTfMeGZmW5fHk4evz/K41xTKL9OtgJjctgrpdL6HAPn OkCklEKM+LXjUJ+Hh3i87DmChKfmqzU60+rXUe6iODBASSLK X-Google-Smtp-Source: ABdhPJzabo1orFnRTGkB9TdGZI3LZZm/Y+0CJcYx63o3mlm+JAQvAjhhnluZZ+iNQ7CzBZxZ0jVD2ar5nWwcwYHPLfunUIm4Q9s+ MIME-Version: 1.0 X-Received: by 2002:a92:28d:: with SMTP id 135mr3487539ilc.238.1603980608707; Thu, 29 Oct 2020 07:10:08 -0700 (PDT) Date: Thu, 29 Oct 2020 07:10:08 -0700 In-Reply-To: <000000000000a4b3c205b0c24743@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000068a67705b2cfd6e9@google.com> Subject: Re: KASAN: out-of-bounds Read in __switch_to (2) From: syzbot To: 0x7f454c46@gmail.com, anant.thazhemadam@gmail.com, b.zolnierkie@samsung.com, bp@alien8.de, chang.seok.bae@intel.com, dan.carpenter@oracle.com, george.kennedy@oracle.com, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, sashal@kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit a49145acfb975d921464b84fe00279f99827d816 Author: George Kennedy Date: Tue Jul 7 19:26:03 2020 +0000 fbmem: add margin check to fb_check_caps() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=174684b8500000 start commit: fb0155a0 Merge tag 'nfs-for-5.9-3' of git://git.linux-nfs... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=41b736b7ce1b3ea4 dashboard link: https://syzkaller.appspot.com/bug?extid=2667188e965125ab6e7a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11743a37900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fbmem: add margin check to fb_check_caps() For information about bisection process see: https://goo.gl/tpsmEJ#bisection