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=-3.7 required=3.0 tests=BAYES_00,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 7943EC433DF for ; Tue, 13 Oct 2020 21:25:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C1DD216C4 for ; Tue, 13 Oct 2020 21:25:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728216AbgJMVZW (ORCPT ); Tue, 13 Oct 2020 17:25:22 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:49276 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726652AbgJMVZW (ORCPT ); Tue, 13 Oct 2020 17:25:22 -0400 Received: by mail-il1-f198.google.com with SMTP id h13so896563ils.16 for ; Tue, 13 Oct 2020 14:25:21 -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=60+Mxk64iVZf267Dg3ol8mIlWkb77pqGXvVvfjK/8nw=; b=En0WfIhFviOpLV0G1Ayfz4qw/eWYvmvjj1LPqBxyEQZy3eQIm3vmhCqChDvZuaqEs7 KDr2JLolfqx3u5mRM46r6OCXYprlMa/QCnOhGSyzjtO3ZC919hFjQLo3+TyBy0uAwmN+ 6fCRInmAF5HuliXzTG/LW6VJ8Vy62y0EhMK64kEH7jyl5n5PKYMM0+Hv6gOg7QLPx7LL 6cXHUw7+v8MTAEtUW2n9w4zOyoAJLYwKtCFCTuue3v1li2Huo0nh7mPPWbuLFffhG1Ph JOEn75DfJdZi9gM062L6KwdMO6hWVrXjGPzbz2qAOEy73urrWizRGl2UPGTDHXU8dPDL z1nQ== X-Gm-Message-State: AOAM531+IZHUPU1ffKXrhlKxYcklB0yaKZOTswi0uEn3RjgMXteK+dNJ 9FwyQPrrpY4QK87q5NnM/3UiZ2ICaDaiRGsno4Q89G6BUvFs X-Google-Smtp-Source: ABdhPJwVhtVDseEa8IeraqGregoatXB0F17k95IZ5AfbScIuet/lSzLcYkP/8yRPqJa5oVjbN8dBctmR1jNS5xjocfQvr1FCD3R/ MIME-Version: 1.0 X-Received: by 2002:a05:6e02:ca3:: with SMTP id 3mr1517139ilg.95.1602624321356; Tue, 13 Oct 2020 14:25:21 -0700 (PDT) Date: Tue, 13 Oct 2020 14:25:21 -0700 In-Reply-To: <000000000000a03f8d05ae7c9371@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000620d5805b1940d15@google.com> Subject: Re: WARNING: can't access registers at asm_sysvec_reschedule_ipi From: syzbot To: alexandre.chartre@oracle.com, bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, netdev@vger.kernel.org, peterz@infradead.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 has found a reproducer for the following issue on: HEAD commit: 64a632da net: fec: Fix phy_device lookup for phy_reset_aft.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=11580c80500000 kernel config: https://syzkaller.appspot.com/x/.config?x=c06bcf3cc963d91c dashboard link: https://syzkaller.appspot.com/bug?extid=853f7009c5c271473926 compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12c1bc6f900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+853f7009c5c271473926@syzkaller.appspotmail.com WARNING: can't access registers at asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:586