From 82786754b9d21a05a70c45ff7e9e48c91745f837 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Tue, 3 Apr 2018 22:29:32 +0200 Subject: [PATCH] efi_loader: ImageSize must be multiple of SectionAlignment According to the Portable Executable and Common Object File Format Specification the image size must be a multiple of the alignment of sections. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- lib/efi_loader/efi_image_loader.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c index 701387b95f..74c6a9f921 100644 --- a/lib/efi_loader/efi_image_loader.c +++ b/lib/efi_loader/efi_image_loader.c @@ -175,6 +175,7 @@ void *efi_load_pe(void *efi, struct efi_loaded_image *loaded_image_info) entry = efi_reloc + opt->AddressOfEntryPoint; rel_size = opt->DataDirectory[rel_idx].Size; rel = efi_reloc + opt->DataDirectory[rel_idx].VirtualAddress; + virt_size = ALIGN(virt_size, opt->SectionAlignment); } else if (can_run_nt32 && (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC)) { IMAGE_OPTIONAL_HEADER32 *opt = &nt->OptionalHeader; @@ -190,6 +191,7 @@ void *efi_load_pe(void *efi, struct efi_loaded_image *loaded_image_info) entry = efi_reloc + opt->AddressOfEntryPoint; rel_size = opt->DataDirectory[rel_idx].Size; rel = efi_reloc + opt->DataDirectory[rel_idx].VirtualAddress; + virt_size = ALIGN(virt_size, opt->SectionAlignment); } else { printf("%s: Invalid optional header magic %x\n", __func__, nt->OptionalHeader.Magic); -- 2.39.2