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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-08-18 22:49:41 +0300
committerIngo Molnar <mingo@kernel.org>2017-08-21 10:43:50 +0300
commit4415f9f4a6e5c6a4228098fc8289f21f3dda515c (patch)
treed21a6f7ad49873cbee5c82d873e4dcdd97bd0f15 /arch/arm
parentdcf8f5ce31656534efada252f6a563c09b295983 (diff)
downloadlinux-4415f9f4a6e5c6a4228098fc8289f21f3dda515c.tar.xz
arm/efi: Remove forbidden values from the PE/COFF header
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> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Link: http://lkml.kernel.org/r/20170818194947.19347-9-ard.biesheuvel@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/compressed/efi-header.S6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
index a17ca8d78656..4169b900d9d4 100644
--- a/arch/arm/boot/compressed/efi-header.S
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -44,7 +44,7 @@ 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 0x306 @ Characteristics.
@@ -110,7 +110,7 @@ section_table:
.long 0 @ PointerToLineNumbers
.short 0 @ NumberOfRelocations
.short 0 @ NumberOfLineNumbers
- .long 0x42100040 @ Characteristics
+ .long 0x42000040 @ Characteristics
.ascii ".text\0\0\0"
.long _end - __efi_start @ VirtualSize
@@ -121,7 +121,7 @@ section_table:
.long 0 @ PointerToLineNumbers
.short 0 @ NumberOfRelocations
.short 0 @ NumberOfLineNumbers
- .long 0xe0500020 @ Characteristics
+ .long 0xe0000020 @ Characteristics
.align 9
__efi_start: