From: Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
To: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
Cc: Matt Fleming
<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: Corrupted EFI region
Date: Wed, 31 Jul 2013 21:58:58 +0100 [thread overview]
Message-ID: <20130731205858.GA1678@srcf.ucam.org> (raw)
In-Reply-To: <20130731205431.GG4724-fF5Pk5pvG8Y@public.gmane.org>
On Wed, Jul 31, 2013 at 10:54:31PM +0200, Borislav Petkov wrote:
> efi: mem08: type=7, attr=0xf, range=[0x0000000040000000-0x000000007c000000) (960MB)
> efi: mem09: type=4, attr=0xf, range=[0x000000007c000000-0x000000007c020000) (0MB)
> efi: mem10: type=7, attr=0xf, range=[0x000000007c020000-0x000000007e0ad000) (32MB)
> -efi: mem11: type=4, attr=0xf, range=[0x000000007e0ad000-0x000000007e0cc000) (0MB)
> +efi: mem11: type=4, attr=0xf, range=[0x000000007e0ad000-0x000000007e0ad000) (0MB)
> efi: mem12: type=7, attr=0xf, range=[0x000000007e0cc000-0x000000007e0cd000) (0MB)
> efi: mem13: type=4, attr=0xf, range=[0x000000007e0cd000-0x000000007e55d000) (4MB)
> efi: mem14: type=3, attr=0xf, range=[0x000000007e55d000-0x000000007e59c000) (0MB)
Are we making any EFI calls in between? I certainly wouldn't expect the
memory map to change after ExitBootServices, but up until that point the
firmware's free to mess with it.
--
Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Matt Fleming <matt@console-pimps.org>,
linux-efi@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>
Subject: Re: Corrupted EFI region
Date: Wed, 31 Jul 2013 21:58:58 +0100 [thread overview]
Message-ID: <20130731205858.GA1678@srcf.ucam.org> (raw)
In-Reply-To: <20130731205431.GG4724@pd.tnic>
On Wed, Jul 31, 2013 at 10:54:31PM +0200, Borislav Petkov wrote:
> efi: mem08: type=7, attr=0xf, range=[0x0000000040000000-0x000000007c000000) (960MB)
> efi: mem09: type=4, attr=0xf, range=[0x000000007c000000-0x000000007c020000) (0MB)
> efi: mem10: type=7, attr=0xf, range=[0x000000007c020000-0x000000007e0ad000) (32MB)
> -efi: mem11: type=4, attr=0xf, range=[0x000000007e0ad000-0x000000007e0cc000) (0MB)
> +efi: mem11: type=4, attr=0xf, range=[0x000000007e0ad000-0x000000007e0ad000) (0MB)
> efi: mem12: type=7, attr=0xf, range=[0x000000007e0cc000-0x000000007e0cd000) (0MB)
> efi: mem13: type=4, attr=0xf, range=[0x000000007e0cd000-0x000000007e55d000) (4MB)
> efi: mem14: type=3, attr=0xf, range=[0x000000007e55d000-0x000000007e59c000) (0MB)
Are we making any EFI calls in between? I certainly wouldn't expect the
memory map to change after ExitBootServices, but up until that point the
firmware's free to mess with it.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2013-07-31 20:58 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 20:54 Corrupted EFI region Borislav Petkov
2013-07-31 20:54 ` Borislav Petkov
[not found] ` <20130731205431.GG4724-fF5Pk5pvG8Y@public.gmane.org>
2013-07-31 20:58 ` Matthew Garrett [this message]
2013-07-31 20:58 ` Matthew Garrett
[not found] ` <20130731205858.GA1678-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-07-31 21:51 ` Borislav Petkov
2013-07-31 21:51 ` Borislav Petkov
[not found] ` <20130731215130.GA6087-fF5Pk5pvG8Y@public.gmane.org>
2013-07-31 21:54 ` Matthew Garrett
2013-07-31 21:54 ` Matthew Garrett
[not found] ` <20130731215423.GA2628-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-08-01 16:51 ` Borislav Petkov
2013-08-01 16:51 ` Borislav Petkov
2013-07-31 21:55 ` David Woodhouse
2013-07-31 21:55 ` David Woodhouse
[not found] ` <1375307727.22084.103.camel-Fexsq3y4057IgHVZqg5X0TlWvGAXklZc@public.gmane.org>
2013-08-01 16:49 ` Borislav Petkov
2013-08-01 16:49 ` Borislav Petkov
[not found] ` <20130801164927.GA7445-fF5Pk5pvG8Y@public.gmane.org>
2013-08-05 11:27 ` [edk2] " Laszlo Ersek
2013-08-05 11:27 ` Laszlo Ersek
[not found] ` <51FF8C14.2070405-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-05 13:02 ` Borislav Petkov
2013-08-05 13:02 ` Borislav Petkov
[not found] ` <20130805130258.GB31845-fF5Pk5pvG8Y@public.gmane.org>
2013-08-05 13:39 ` Laszlo Ersek
2013-08-05 13:39 ` Laszlo Ersek
2013-08-05 14:03 ` Borislav Petkov
2013-08-05 14:03 ` Borislav Petkov
[not found] ` <20130805140306.GD31845-fF5Pk5pvG8Y@public.gmane.org>
2013-08-05 14:27 ` Laszlo Ersek
2013-08-05 14:27 ` Laszlo Ersek
[not found] ` <51FFB660.4060400-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-05 14:40 ` Borislav Petkov
2013-08-05 14:40 ` Borislav Petkov
2013-08-05 15:15 ` Laszlo Ersek
2013-08-05 15:15 ` Laszlo Ersek
[not found] ` <51FFC19A.1020204-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-05 15:34 ` James Bottomley
2013-08-05 15:34 ` James Bottomley
2013-08-05 16:27 ` Laszlo Ersek
2013-08-05 16:27 ` Laszlo Ersek
2013-08-05 16:12 ` Borislav Petkov
2013-08-05 16:12 ` Borislav Petkov
2013-08-05 16:41 ` Laszlo Ersek
2013-08-05 16:41 ` Laszlo Ersek
[not found] ` <51FFD5B0.9080000-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-05 16:47 ` Borislav Petkov
2013-08-05 16:47 ` Borislav Petkov
[not found] ` <20130805164731.GG31845-fF5Pk5pvG8Y@public.gmane.org>
2013-08-05 17:00 ` Kinney, Michael D
2013-08-05 17:00 ` Kinney, Michael D
2013-08-05 17:09 ` Laszlo Ersek
2013-08-05 17:09 ` Laszlo Ersek
2013-08-05 21:26 ` Laszlo Ersek
2013-08-05 21:26 ` Laszlo Ersek
2013-08-05 22:08 ` Borislav Petkov
2013-08-05 22:08 ` Borislav Petkov
[not found] ` <20130805220808.GC14067-fF5Pk5pvG8Y@public.gmane.org>
2013-08-06 14:10 ` Borislav Petkov
2013-08-06 14:10 ` Borislav Petkov
[not found] ` <20130806141036.GD14891-fF5Pk5pvG8Y@public.gmane.org>
2013-08-06 15:31 ` Laszlo Ersek
2013-08-06 15:31 ` Laszlo Ersek
2013-08-07 15:19 ` Borislav Petkov
[not found] ` <20130807151935.GJ17920-fF5Pk5pvG8Y@public.gmane.org>
2013-08-07 17:23 ` Andrew Fish
2013-08-07 17:23 ` Andrew Fish
[not found] ` <CCFD3CBD-62B0-4046-B96D-18CB1A815F72-2kanFRK1NckAvxtiuMwx3w@public.gmane.org>
2013-08-07 20:19 ` Matt Fleming
2013-08-07 20:19 ` Matt Fleming
[not found] ` <20130807201908.GG2515-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-08-07 20:24 ` Matt Fleming
2013-08-07 20:24 ` Matt Fleming
2013-08-07 21:10 ` Andrew Fish
2013-08-07 21:10 ` Andrew Fish
2013-08-07 21:23 ` Matthew Garrett
[not found] ` <D5982201-6DC4-469F-812A-74A8402ADEE9-2kanFRK1NckAvxtiuMwx3w@public.gmane.org>
2013-08-08 10:17 ` Matt Fleming
2013-08-08 10:17 ` Matt Fleming
[not found] ` <20130808101730.GJ2515-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-08-08 13:46 ` Andrew Fish
2013-08-08 13:46 ` Andrew Fish
[not found] ` <1AEC7AA8-D49E-485F-A634-31B4F0D07083-2kanFRK1NckAvxtiuMwx3w@public.gmane.org>
2013-09-02 8:19 ` Matt Fleming
2013-09-02 8:19 ` Matt Fleming
2013-09-13 20:38 ` jerry.hoemann-VXdhtT5mjnY
2013-09-13 20:38 ` jerry.hoemann
[not found] ` <20130913203812.GA312-dMAi7lA+vBPDUbYHzcRnttBPR1lH4CV8@public.gmane.org>
2013-09-16 10:59 ` Matt Fleming
2013-09-16 10:59 ` Matt Fleming
[not found] ` <20130916105920.GB2697-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-09-16 11:50 ` Laszlo Ersek
2013-09-16 11:50 ` Laszlo Ersek
[not found] ` <5236F096.8040702-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-09-16 15:57 ` Josh Triplett
2013-09-16 15:57 ` Josh Triplett
2013-09-16 16:25 ` Laszlo Ersek
2013-09-16 16:25 ` Laszlo Ersek
[not found] ` <523730F2.40408-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-09-16 16:27 ` Matthew Garrett
2013-09-16 16:27 ` Matthew Garrett
2013-09-16 16:29 ` Josh Triplett
2013-09-16 16:29 ` Josh Triplett
2013-09-18 19:24 ` jerry.hoemann-VXdhtT5mjnY
2013-09-18 19:24 ` jerry.hoemann
2013-09-20 9:06 ` Matt Fleming
2013-09-20 9:06 ` Matt Fleming
2013-08-07 17:49 ` Laszlo Ersek
2013-08-07 17:49 ` Laszlo Ersek
[not found] ` <5202889C.2080608-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-08 15:02 ` Borislav Petkov
2013-08-08 15:02 ` Borislav Petkov
2013-08-08 21:45 ` Brian J. Johnson
2013-08-08 21:45 ` Brian J. Johnson
2013-08-18 7:33 ` Jordan Justen
2013-08-18 7:33 ` Jordan Justen
2013-08-05 15:50 ` Andrew Fish
2013-08-05 15:50 ` Andrew Fish
[not found] ` <2DBE3EA4-E321-4A7B-B9AF-EDE55BC2E358-2kanFRK1NckAvxtiuMwx3w@public.gmane.org>
2013-08-05 18:12 ` Borislav Petkov
2013-08-05 18:12 ` Borislav Petkov
2013-08-05 21:37 ` H. Peter Anvin
2013-08-05 21:37 ` H. Peter Anvin
[not found] ` <52001B04.2050806-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-08-05 21:41 ` Borislav Petkov
2013-08-05 21:41 ` Borislav Petkov
[not found] ` <20130805214140.GB14067-fF5Pk5pvG8Y@public.gmane.org>
2013-08-05 21:49 ` H. Peter Anvin
2013-08-05 21:49 ` H. Peter Anvin
2013-08-05 21:55 ` Laszlo Ersek
2013-08-05 21:55 ` Laszlo Ersek
[not found] ` <52001F6B.4000800-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-05 22:52 ` James Bottomley
2013-08-05 22:52 ` James Bottomley
[not found] ` <1375743157.18481.14.camel-sFMDBYUN5F8GjUHQrlYNx2Wm91YjaHnnhRte9Li2A+AAvxtiuMwx3w@public.gmane.org>
2013-08-06 7:26 ` Laszlo Ersek
2013-08-06 7:26 ` Laszlo Ersek
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