From 0bc81a717d1ce90008f9f8ae8b3c086d4405a295 Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Wed, 9 Jan 2019 21:41:13 +0100
Subject: [PATCH] efi_loader: fix CopyMem()
CopyMem() must support overlapping buffers. So replace memcpy() by
memmove().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
lib/efi_loader/efi_boottime.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 88386ff676..dbf0d56c1d 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -2483,7 +2483,7 @@ static void EFIAPI efi_copy_mem(void *destination, const void *source,
size_t length)
{
EFI_ENTRY("%p, %p, %ld", destination, source, (unsigned long)length);
- memcpy(destination, source, length);
+ memmove(destination, source, length);
EFI_EXIT(EFI_SUCCESS);
}
--
2.39.5