From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751853AbcFZQnz (ORCPT ); Sun, 26 Jun 2016 12:43:55 -0400 Received: from mail.skyhub.de ([78.46.96.112]:37554 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751460AbcFZQny (ORCPT ); Sun, 26 Jun 2016 12:43:54 -0400 Date: Sun, 26 Jun 2016 18:43:39 +0200 From: Borislav Petkov To: "Rafael J. Wysocki" Cc: Linus Torvalds , Thomas Gleixner , LKML , Andrew Morton , Ingo Molnar , "H. Peter Anvin" Subject: Re: [GIT pull] x86 fixes for 4.7 Message-ID: <20160626164339.GA23061@nazgul.tnic> References: <1821357.lqP3qeBkCW@vostro.rjw.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1821357.lqP3qeBkCW@vostro.rjw.lan> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jun 26, 2016 at 02:45:44AM +0200, Rafael J. Wysocki wrote: > The (hopefully) final one is https://patchwork.kernel.org/patch/9189139/ > and it still is pending a test on the Boris' machine where the previous one > didn't work. If that doesn't pass, we'll need to defer it until we know > the reason and possibly make some additional changes before applying it, I'm afraid we do, unfortunately. Btw, I'm testing only this patch, without your pages list optimization. [ 381.830413] PM: Basic memory bitmaps freed [ 381.835297] Restarting tasks ... [ 381.838620] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 381.838689] done. [ 381.850763] BUG: unable to handle kernel paging request at ffff88042b957e40 [ 381.850765] IP: [] 0xffff88042b957e40 [ 381.850766] PGD 2065067 PUD 2068067 PMD 800000042b8001e3 [ 381.850767] Oops: 0011 [#1] PREEMPT SMP [ 381.850778] Modules linked in: binfmt_misc ipv6 vfat fat amd64_edac_mod edac_mce_amd fuse dm_crypt dm_mod amdkfd kvm_amd kvm amd_iommu_v2 radeq [ 381.850779] CPU: 3 PID: 1 Comm: init Not tainted 4.7.0-rc3+ #1 [ 381.850780] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97 EVO R2.0, BIOS 1503 01/16/2013 [ 381.850781] task: ffff88042b958000 ti: ffff88042b954000 task.ti: ffff88042b954000 [ 381.850782] RIP: 0010:[] [] 0xffff88042b957e40 [ 381.850783] RSP: 0018:ffff88042b957e00 EFLAGS: 00010282 [ 381.850783] RAX: 0000000000000000 RBX: ffff88042b957f58 RCX: 0000000000000000 [ 381.850784] RDX: 0000000000000001 RSI: ffffffff81062a2d RDI: ffffffff81687d8c [ 381.850784] RBP: ffff88042b957ef0 R08: 0000000000000000 R09: 0000000000000002 [ 381.850785] R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88042b954000 [ 381.850785] R13: ffff88042b954000 R14: ffff88042b957f58 R15: ffff88042b958000 [ 381.850786] FS: 00007f1143649800(0000) GS:ffff88043dcc0000(0000) knlGS:0000000000000000 [ 381.850787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 381.850787] CR2: ffff88042b957e40 CR3: 00000004298af000 CR4: 00000000000406e0 [ 381.850788] Stack: [ 381.850789] ffff88042b1ed000 ffff88042b1ed000 0000000000000000 ffffffff8117f8ae [ 381.850790] ffffff9c00000002 ffff88042b09ac00 ffffffff81175d5f 0000000000000011 [ 381.850791] 0000000000001c3d 0000000000000001 0000000000001180 0000000000000000 [ 381.850792] Call Trace: [ 381.850795] [] ? getname_flags+0x5e/0x1b0 [ 381.850797] [] ? cp_new_stat+0x10f/0x120 [ 381.850799] [] ? ktime_get_ts64+0x4a/0xf0 [ 381.850800] [] ? poll_select_copy_remaining+0xe7/0x130 [ 381.850802] [] exit_to_usermode_loop+0x8a/0xb0 [ 381.850804] [] syscall_return_slowpath+0x5b/0x70 [ 381.850806] [] entry_SYSCALL_64_fastpath+0xa5/0xa7 [ 381.850820] Code: 00 00 00 ae f8 17 81 ff ff ff ff 02 00 00 00 9c ff ff ff 00 ac 09 2b 04 88 ff ff 5f 5d 17 81 ff ff ff ff 11 00 00 00 00 00 0 [ 381.850821] RIP [] 0xffff88042b957e40 [ 381.850821] RSP [ 381.850821] CR2: ffff88042b957e40 [ 381.850824] ---[ end trace b4f9b4244a59d886 ]--- [ 381.851025] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [ 381.851025] [ 381.858574] Kernel Offset: disabled -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --