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-rw-r--r--drivers/firmware/efi/libstub/arm64-stub.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c
index e2f90566b..16f15e36f 100644
--- a/drivers/firmware/efi/libstub/arm64-stub.c
+++ b/drivers/firmware/efi/libstub/arm64-stub.c
@@ -180,7 +180,8 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
* locate the kernel at a randomized offset in physical memory.
*/
status = efi_random_alloc(*reserve_size, min_kimg_align,
- reserve_addr, phys_seed);
+ reserve_addr, phys_seed,
+ EFI_LOADER_CODE, 0, EFI_ALLOC_LIMIT);
if (status != EFI_SUCCESS)
efi_warn("efi_random_alloc() failed: 0x%lx\n", status);
} else {
@@ -190,10 +191,11 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
if (status != EFI_SUCCESS) {
if (!check_image_region((u64)_text, kernel_memsize)) {
efi_err("FIRMWARE BUG: Image BSS overlaps adjacent EFI memory region\n");
- } else if (IS_ALIGNED((u64)_text, min_kimg_align)) {
+ } else if (IS_ALIGNED((u64)_text, min_kimg_align) &&
+ (u64)_end < EFI_ALLOC_LIMIT) {
/*
* Just execute from wherever we were loaded by the
- * UEFI PE/COFF loader if the alignment is suitable.
+ * UEFI PE/COFF loader if the placement is suitable.
*/
*image_addr = (u64)_text;
*reserve_size = 0;
@@ -201,7 +203,8 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
}
status = efi_allocate_pages_aligned(*reserve_size, reserve_addr,
- ULONG_MAX, min_kimg_align);
+ ULONG_MAX, min_kimg_align,
+ EFI_LOADER_CODE);
if (status != EFI_SUCCESS) {
efi_err("Failed to relocate kernel\n");