From 0db16d1dce52faa2129c49b43d9b0edd9930d08f Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Fri, 19 Apr 2024 10:11:10 +0200 Subject: [PATCH] x86/efi: Drop alignment flags from PE section headers [ Commit bfab35f552ab3dd6d017165bf9de1d1d20f198cc upstream ] The section header flags for alignment are documented in the PE/COFF spec as being applicable to PE object files only, not to PE executables such as the Linux bzImage, so let's drop them from the PE header. Signed-off-by: Ard Biesheuvel Signed-off-by: Ingo Molnar Link: https://lore.kernel.org/r/20230912090051.4014114-20-ardb@google.com Signed-off-by: Ard Biesheuvel Signed-off-by: Greg Kroah-Hartman --- arch/x86/boot/header.S | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index d31982509654..38b611eb1a3c 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -208,8 +208,7 @@ section_table: .word 0 # NumberOfLineNumbers .long IMAGE_SCN_CNT_CODE | \ IMAGE_SCN_MEM_READ | \ - IMAGE_SCN_MEM_EXECUTE | \ - IMAGE_SCN_ALIGN_16BYTES # Characteristics + IMAGE_SCN_MEM_EXECUTE # Characteristics # # The EFI application loader requires a relocation section @@ -229,8 +228,7 @@ section_table: .word 0 # NumberOfLineNumbers .long IMAGE_SCN_CNT_INITIALIZED_DATA | \ IMAGE_SCN_MEM_READ | \ - IMAGE_SCN_MEM_DISCARDABLE | \ - IMAGE_SCN_ALIGN_1BYTES # Characteristics + IMAGE_SCN_MEM_DISCARDABLE # Characteristics #ifdef CONFIG_EFI_MIXED # @@ -248,8 +246,7 @@ section_table: .word 0 # NumberOfLineNumbers .long IMAGE_SCN_CNT_INITIALIZED_DATA | \ IMAGE_SCN_MEM_READ | \ - IMAGE_SCN_MEM_DISCARDABLE | \ - IMAGE_SCN_ALIGN_1BYTES # Characteristics + IMAGE_SCN_MEM_DISCARDABLE # Characteristics #endif # @@ -270,8 +267,7 @@ section_table: .word 0 # NumberOfLineNumbers .long IMAGE_SCN_CNT_CODE | \ IMAGE_SCN_MEM_READ | \ - IMAGE_SCN_MEM_EXECUTE | \ - IMAGE_SCN_ALIGN_16BYTES # Characteristics + IMAGE_SCN_MEM_EXECUTE # Characteristics .set section_count, (. - section_table) / 40 #endif /* CONFIG_EFI_STUB */