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07f0091f
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体验新版 GitCode,发现更多精彩内容 >>
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07f0091f
编写于
2月 04, 2022
作者:
V
vit9696
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电子邮件补丁
差异文件
OcBootManagementLib: Improved robustness in PE image file parsing
上级
9efcabc6
变更
3
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3 changed file
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21 addition
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Changelog.md
Changelog.md
+1
-0
Library/OcBootManagementLib/ImageLoader.c
Library/OcBootManagementLib/ImageLoader.c
+16
-0
Utilities/TestPeCoff/PeCoff.c
Utilities/TestPeCoff/PeCoff.c
+4
-0
未找到文件。
Changelog.md
浏览文件 @
07f0091f
...
...
@@ -12,6 +12,7 @@ OpenCore Changelog
-
Fixed OpenLinuxBoot entry name disambiguation when
`LINUX_BOOT_USE_LATEST`
flag is clear
-
Updated builtin firmware versions for SMBIOS and the rest
-
Fixed crash in OpenLinuxBoot with partly (re-)installed Linux distro
-
Improved robustness in malformed PE image file parsing
#### v0.7.7
-
Fixed rare crash caused by register corruption in the entry point
...
...
Library/OcBootManagementLib/ImageLoader.c
浏览文件 @
07f0091f
...
...
@@ -255,6 +255,7 @@ OcImageLoaderLoad (
EFI_STATUS
ImageStatus
;
PE_COFF_IMAGE_CONTEXT
ImageContext
;
EFI_PHYSICAL_ADDRESS
DestinationArea
;
UINT32
DestinationSize
;
VOID
*
DestinationBuffer
;
OC_LOADED_IMAGE_PROTOCOL
*
OcLoadedImage
;
EFI_LOADED_IMAGE_PROTOCOL
*
LoadedImage
;
...
...
@@ -294,6 +295,21 @@ OcImageLoaderLoad (
DEBUG
((
DEBUG_INFO
,
"OCB: PeCoff no support for RT drivers
\n
"
));
return
EFI_UNSUPPORTED
;
}
//
// FIXME: This needs to be backported as a function:
// https://github.com/mhaeuser/edk2/blob/2021-gsoc-secure-loader/MdePkg/Library/BaseUefiImageLib/CommonSupport.c#L19-L53
//
DestinationSize
=
ImageContext
.
SizeOfImage
+
ImageContext
.
SizeOfImageDebugAdd
;
if
(
OcOverflowAddU32
(
DestinationSize
,
ImageContext
.
SectionAlignment
,
&
DestinationSize
))
{
return
RETURN_UNSUPPORTED
;
}
if
(
DestinationSize
>=
BASE_16MB
)
{
DEBUG
((
DEBUG_INFO
,
"OCB: PeCoff prohibits files over 16M (%u)
\n
"
,
DestinationSize
));
return
RETURN_UNSUPPORTED
;
}
//
// Allocate the image destination memory.
// FIXME: RT drivers require EfiRuntimeServicesCode.
...
...
Utilities/TestPeCoff/PeCoff.c
浏览文件 @
07f0091f
...
...
@@ -178,6 +178,10 @@ PeCoffTestLoadFull (
return
RETURN_UNSUPPORTED
;
}
if
(
DestinationSize
>=
BASE_16MB
)
{
return
RETURN_UNSUPPORTED
;
}
Destination
=
AllocatePages
(
EFI_SIZE_TO_PAGES
(
DestinationSize
));
if
(
Destination
==
NULL
)
{
return
RETURN_UNSUPPORTED
;
...
...
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