[edk2-devel] [PATCH v2 7/7] ArmPkg/DefaultExceptionHandlerLib: Mandatory LoadedImage for DebugImageInfoTable
Marvin Häuser
mhaeuser at posteo.de
Mon Aug 9 09:51:32 UTC 2021
To make parsing DebugImageInfoTable easier and safer, require the
LoadedImage protocol instance to be valid for every NormalImage
entry.
Cc: Leif Lindholm <leif at nuviainc.com>
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Vitaly Cheptsov <vit9696 at protonmail.com>
Signed-off-by: Marvin Häuser <mhaeuser at posteo.de>
---
ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerUefi.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerUefi.c b/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerUefi.c
index 9befb6d4db9b..d442b5d358b2 100644
--- a/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerUefi.c
+++ b/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerUefi.c
@@ -52,8 +52,9 @@ GetImageName (
Address = (CHAR8 *)(UINTN)FaultAddress;
for (Entry = 0; Entry < DebugTableHeader->TableSize; Entry++, DebugTable++) {
if (DebugTable->ImageInfoType != NULL) {
- if ((*DebugTable->ImageInfoType == EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL) &&
- (DebugTable->NormalImage->LoadedImageProtocolInstance != NULL)) {
+ if (*DebugTable->ImageInfoType == EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL) {
+ ASSERT (gDebugTable->NormalImage->LoadedImageProtocolInstance != NULL);
+
if ((Address >= (CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase) &&
(Address <= ((CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase + DebugTable->NormalImage->LoadedImageProtocolInstance->ImageSize))) {
*ImageBase = (UINTN)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase;
--
2.31.1
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