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 A427BC433E2 for ; Tue, 8 Sep 2020 20:16:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71674208FE for ; Tue, 8 Sep 2020 20:16:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731221AbgIHUQ2 (ORCPT ); Tue, 8 Sep 2020 16:16:28 -0400 Received: from mail-il1-f207.google.com ([209.85.166.207]:39850 "EHLO mail-il1-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729457AbgIHUQV (ORCPT ); Tue, 8 Sep 2020 16:16:21 -0400 Received: by mail-il1-f207.google.com with SMTP id v17so223363ilg.6 for ; Tue, 08 Sep 2020 13:16:21 -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:message-id:subject:from:to; bh=s/bYKv6LX1PcO06y6Bm21nR/bMn54CugKCYgQJuiP/s=; b=WQnuty4thzY5GAnZXegJyLVKdmEtRMzojg9/sMb8xLizeOkGEfLvIjhKX795atn6kK 715lY8HaXbhn05EY+hW/O9eBkq86gvIAW5H9eulH6xNizDeHzykg5C6/MOoO+uqmwQJy eiqU0daHLxl2zDB/Esb9bbMBtdrrq5Zsx+VctplwwWwuX8WTIwQTAhfEIReYR+7gkqAL zQgLtTXeKcsChz96yuKLdE7UHgtAPFOjAWofmuG1ezpQwKqRmqXMz0JDX3L1Wq8Rud1j mpM2B89dJN3X96U1ThTFnGOqfYy0GsXABA9rvXno5nz8y+RMSDY2zRDVl/z1CPObyg7b 34CA== X-Gm-Message-State: AOAM5332VXnSGfM6/jMiMSzm+U4IP0BglQz4zo+SSzf5pIPVpGB3v3i9 +3IGb0Jq9Log6CRfhes4InNuWHult4FEZBrSxdu/mlBzhtnu X-Google-Smtp-Source: ABdhPJymQNFXVDQXU5MMAZ2HQLXS0S2RD9e+55WIo8flYkvmlkfHdxfYJ6z0Uozh6UVmQj5xp//ka1jwQrZK4fhYLaXIrZILdJ5I MIME-Version: 1.0 X-Received: by 2002:a02:240d:: with SMTP id f13mr669276jaa.33.1599596181256; Tue, 08 Sep 2020 13:16:21 -0700 (PDT) Date: Tue, 08 Sep 2020 13:16:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002b02cf05aed302f3@google.com> Subject: WARNING: can't access registers at asm_sysvec_call_function_single From: syzbot To: alexandre.chartre@oracle.com, bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: f4d51dff Linux 5.9-rc4 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1455d4f9900000 kernel config: https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9 dashboard link: https://syzkaller.appspot.com/bug?extid=bc9dbf05dcc151e9b972 compiler: gcc (GCC) 10.1.0-syz 20200507 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+bc9dbf05dcc151e9b972@syzkaller.appspotmail.com WARNING: can't access registers at asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:589 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.