From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
mark.rutland@arm.com, leif.lindholm@linaro.org
Cc: catalin.marinas@arm.com, linux@armlinux.org.uk,
kernel-hardening@lists.openwall.com, labbott@fedoraproject.org,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: [PATCH v2 05/14] arm64: efi: remove forbidden values from the PE/COFF header
Date: Wed, 8 Feb 2017 11:55:38 +0000 [thread overview]
Message-ID: <1486554947-3964-6-git-send-email-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <1486554947-3964-1-git-send-email-ard.biesheuvel@linaro.org>
Bring the PE/COFF header in line with the PE/COFF spec, by setting
NumberOfSymbols to 0, and removing the section alignment flags.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
| 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--git a/arch/arm64/kernel/efi-header.S b/arch/arm64/kernel/efi-header.S
index 9b24ce130afb..515624bbfcd0 100644
--- a/arch/arm64/kernel/efi-header.S
+++ b/arch/arm64/kernel/efi-header.S
@@ -15,7 +15,7 @@ coff_header:
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
- .long 1 // NumberOfSymbols
+ .long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
@@ -88,7 +88,7 @@ section_table:
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
- .long 0x42100040 // Characteristics (section flags)
+ .long 0x42000040 // Characteristics (section flags)
.ascii ".text"
@@ -104,7 +104,7 @@ section_table:
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
- .long 0xe0500020 // Characteristics
+ .long 0xe0000020 // Characteristics
#ifdef CONFIG_DEBUG_EFI
/*
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: ard.biesheuvel@linaro.org (Ard Biesheuvel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 05/14] arm64: efi: remove forbidden values from the PE/COFF header
Date: Wed, 8 Feb 2017 11:55:38 +0000 [thread overview]
Message-ID: <1486554947-3964-6-git-send-email-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <1486554947-3964-1-git-send-email-ard.biesheuvel@linaro.org>
Bring the PE/COFF header in line with the PE/COFF spec, by setting
NumberOfSymbols to 0, and removing the section alignment flags.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
| 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--git a/arch/arm64/kernel/efi-header.S b/arch/arm64/kernel/efi-header.S
index 9b24ce130afb..515624bbfcd0 100644
--- a/arch/arm64/kernel/efi-header.S
+++ b/arch/arm64/kernel/efi-header.S
@@ -15,7 +15,7 @@ coff_header:
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
- .long 1 // NumberOfSymbols
+ .long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
@@ -88,7 +88,7 @@ section_table:
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
- .long 0x42100040 // Characteristics (section flags)
+ .long 0x42000040 // Characteristics (section flags)
.ascii ".text"
@@ -104,7 +104,7 @@ section_table:
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
- .long 0xe0500020 // Characteristics
+ .long 0xe0000020 // Characteristics
#ifdef CONFIG_DEBUG_EFI
/*
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
mark.rutland@arm.com, leif.lindholm@linaro.org
Cc: catalin.marinas@arm.com, linux@armlinux.org.uk,
kernel-hardening@lists.openwall.com, labbott@fedoraproject.org,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: [kernel-hardening] [PATCH v2 05/14] arm64: efi: remove forbidden values from the PE/COFF header
Date: Wed, 8 Feb 2017 11:55:38 +0000 [thread overview]
Message-ID: <1486554947-3964-6-git-send-email-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <1486554947-3964-1-git-send-email-ard.biesheuvel@linaro.org>
Bring the PE/COFF header in line with the PE/COFF spec, by setting
NumberOfSymbols to 0, and removing the section alignment flags.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
| 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--git a/arch/arm64/kernel/efi-header.S b/arch/arm64/kernel/efi-header.S
index 9b24ce130afb..515624bbfcd0 100644
--- a/arch/arm64/kernel/efi-header.S
+++ b/arch/arm64/kernel/efi-header.S
@@ -15,7 +15,7 @@ coff_header:
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
- .long 1 // NumberOfSymbols
+ .long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
@@ -88,7 +88,7 @@ section_table:
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
- .long 0x42100040 // Characteristics (section flags)
+ .long 0x42000040 // Characteristics (section flags)
.ascii ".text"
@@ -104,7 +104,7 @@ section_table:
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
- .long 0xe0500020 // Characteristics
+ .long 0xe0000020 // Characteristics
#ifdef CONFIG_DEBUG_EFI
/*
--
2.7.4
next prev parent reply other threads:[~2017-02-08 11:55 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-08 11:55 [PATCH v2 00/14] arm64+ARM: efi: PE/COFF cleanup/hardening Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 01/14] include: pe.h: allow for use in assembly Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 02/14] include: pe.h: add some missing definitions Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 03/14] arm64: efi: move EFI header and related data to a separate .S file Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-10 10:10 ` Mark Rutland
2017-02-10 10:10 ` [kernel-hardening] " Mark Rutland
2017-02-10 10:10 ` Mark Rutland
2017-02-08 11:55 ` [PATCH v2 04/14] arm64: efi: clean up Image header after PE header has been split off Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-10 10:11 ` Mark Rutland
2017-02-10 10:11 ` [kernel-hardening] " Mark Rutland
2017-02-10 10:11 ` Mark Rutland
2017-02-10 14:30 ` Ard Biesheuvel
2017-02-10 14:30 ` [kernel-hardening] " Ard Biesheuvel
2017-02-10 14:30 ` Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel [this message]
2017-02-08 11:55 ` [kernel-hardening] [PATCH v2 05/14] arm64: efi: remove forbidden values from the PE/COFF header Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-10 10:13 ` Mark Rutland
2017-02-10 10:13 ` [kernel-hardening] " Mark Rutland
2017-02-10 10:13 ` Mark Rutland
2017-02-10 14:31 ` Ard Biesheuvel
2017-02-10 14:31 ` [kernel-hardening] " Ard Biesheuvel
2017-02-10 14:31 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 06/14] arm64: efi: remove pointless dummy .reloc section Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 07/14] arm64: efi: replace open coded constants with symbolic ones Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-10 10:19 ` Mark Rutland
2017-02-10 10:19 ` [kernel-hardening] " Mark Rutland
2017-02-10 10:19 ` Mark Rutland
2017-02-08 11:55 ` [PATCH v2 08/14] arm64: efi: split Image code and data into separate PE/COFF sections Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
[not found] ` <1486554947-3964-9-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2017-02-10 10:49 ` Mark Rutland
2017-02-10 10:49 ` [kernel-hardening] " Mark Rutland
2017-02-10 10:49 ` Mark Rutland
2017-02-10 14:28 ` Ard Biesheuvel
2017-02-10 14:28 ` [kernel-hardening] " Ard Biesheuvel
2017-02-10 14:28 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 09/14] arm: compressed: put zImage header and EFI header in dedicated section Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 10/14] arm: efi: remove forbidden values from the PE/COFF header Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 11/14] arm: efi: remove pointless dummy .reloc section Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 12/14] arm: efi: replace open coded constants with symbolic ones Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 13/14] arm: efi: split zImage code and data into separate PE/COFF sections Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
2017-02-08 11:55 ` [PATCH v2 14/14] arm: efi: add PE/COFF debug table to EFI header Ard Biesheuvel
2017-02-08 11:55 ` [kernel-hardening] " Ard Biesheuvel
2017-02-08 11:55 ` Ard Biesheuvel
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