* [edk2-platform] FitGen: Fix the issue to run in X64 linux machine
@ 2020-01-16 7:11 Liming Gao
2020-02-04 8:25 ` [edk2-devel] " Bob Feng
0 siblings, 1 reply; 3+ messages in thread
From: Liming Gao @ 2020-01-16 7:11 UTC (permalink / raw)
To: devel; +Cc: Isaac Oram
Cc: Isaac Oram <isaac.w.oram@intel.com>
Signed-off-by: Liming Gao <liming.gao@intel.com>
---
Silicon/Intel/Tools/FitGen/FitGen.c | 29 +++++++++++++++++++----------
Silicon/Intel/Tools/FitGen/FitGen.h | 2 +-
2 files changed, 20 insertions(+), 11 deletions(-)
diff --git a/Silicon/Intel/Tools/FitGen/FitGen.c b/Silicon/Intel/Tools/FitGen/FitGen.c
index 833610f2a0..b6ec551333 100644
--- a/Silicon/Intel/Tools/FitGen/FitGen.c
+++ b/Silicon/Intel/Tools/FitGen/FitGen.c
@@ -226,9 +226,17 @@ typedef struct {
#define FIT_TABLE_TYPE_BIOS_DATA_AREA 13
#define FIT_TABLE_TYPE_CSE_SECURE_BOOT 16
+//
+// With OptionalModule Address isn't known until free space has been
+// identified and the optional module has been copied into the FLASH
+// image buffer (or initialized to be populated later by another program).
+// This is very dangerous code as it can truncate 64b pointers to
+// allocated memory buffers. The full pointer is in Buffer for that case.
+//
typedef struct {
UINT32 Type;
UINT32 Address;
+ UINT8 *Buffer; // Used by OptionalModule only
UINT32 Size;
UINT32 Version; // Used by OptionalModule and PortModule only
} FIT_TABLE_CONTEXT_ENTRY;
@@ -575,9 +583,9 @@ Returns:
UINT64 FvLength;
EFI_GUID *TempGuid;
UINT8 *FixPoint;
- UINT32 Offset;
- UINT32 FileLength;
- UINT32 FileOccupiedSize;
+ UINTN Offset;
+ UINTN FileLength;
+ UINTN FileOccupiedSize;
//
// Find the FFS file
@@ -595,7 +603,7 @@ Returns:
InitializeFvLib (FvHeader, (UINT32)FvLength);
FileHeader = (EFI_FFS_FILE_HEADER *)((UINTN)FvHeader + FvHeader->HeaderLength);
- Offset = (UINT32) (UINTN) FileHeader - (UINT32) (UINTN) FvHeader;
+ Offset = (UINTN) FileHeader - (UINTN) FvHeader;
while (Offset < FvLength) {
TempGuid = (EFI_GUID *)&(FileHeader->Name);
@@ -625,7 +633,7 @@ Returns:
return FixPoint;
}
FileHeader = (EFI_FFS_FILE_HEADER *)((UINTN)FileHeader + FileOccupiedSize);
- Offset = (UINT32) (UINTN) FileHeader - (UINT32) (UINTN) FvHeader;
+ Offset = (UINTN) FileHeader - (UINTN) FvHeader;
}
//
@@ -1082,7 +1090,7 @@ Returns:
return 0;
}
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN) MicrocodeFileBuffer);
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Size = MicrocodeSize;
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1110,7 +1118,7 @@ Returns:
///
while (MicrocodeBuffer + SlotSize <= MicrocodeFileBuffer + MicrocodeFileSize) {
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN) MicrocodeFileBuffer);
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1428,7 +1436,7 @@ Returns:
return 0;
}
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN) MicrocodeFileBuffer);
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Size = MicrocodeSize;
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1557,6 +1565,7 @@ Returns:
}
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Type = Type;
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Address = (UINT32) (UINTN) FileBuffer;
+ gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Buffer = FileBuffer;
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Size = FileSize;
//
@@ -1846,8 +1855,8 @@ Returns:
}
}
}
- memcpy (OptionalModuleAddress, (VOID *) (UINTN) gFitTableContext.OptionalModule[Index].Address, gFitTableContext.OptionalModule[Index].Size);
- free ((VOID *) (UINTN) gFitTableContext.OptionalModule[Index].Address);
+ memcpy (OptionalModuleAddress, gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Buffer, gFitTableContext.OptionalModule[Index].Size);
+ free (gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Buffer);
gFitTableContext.OptionalModule[Index].Address = MEMORY_TO_FLASH (OptionalModuleAddress, FvBuffer, FvSize);
}
//
diff --git a/Silicon/Intel/Tools/FitGen/FitGen.h b/Silicon/Intel/Tools/FitGen/FitGen.h
index 9bd3f6824b..ecb5822d32 100644
--- a/Silicon/Intel/Tools/FitGen/FitGen.h
+++ b/Silicon/Intel/Tools/FitGen/FitGen.h
@@ -31,7 +31,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
// Utility version information
//
#define UTILITY_MAJOR_VERSION 0
-#define UTILITY_MINOR_VERSION 56
+#define UTILITY_MINOR_VERSION 57
#define UTILITY_DATE __DATE__
//
--
2.13.0.windows.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [edk2-devel] [edk2-platform] FitGen: Fix the issue to run in X64 linux machine
2020-01-16 7:11 [edk2-platform] FitGen: Fix the issue to run in X64 linux machine Liming Gao
@ 2020-02-04 8:25 ` Bob Feng
0 siblings, 0 replies; 3+ messages in thread
From: Bob Feng @ 2020-02-04 8:25 UTC (permalink / raw)
To: devel@edk2.groups.io, Gao, Liming; +Cc: Oram, Isaac W
Hi Liming,
Would you add more description for this patch?
Thanks,
Bob
-----Original Message-----
From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of Liming Gao
Sent: Thursday, January 16, 2020 3:11 PM
To: devel@edk2.groups.io
Cc: Oram, Isaac W <isaac.w.oram@intel.com>
Subject: [edk2-devel] [edk2-platform] FitGen: Fix the issue to run in X64 linux machine
Cc: Isaac Oram <isaac.w.oram@intel.com>
Signed-off-by: Liming Gao <liming.gao@intel.com>
---
Silicon/Intel/Tools/FitGen/FitGen.c | 29 +++++++++++++++++++---------- Silicon/Intel/Tools/FitGen/FitGen.h | 2 +-
2 files changed, 20 insertions(+), 11 deletions(-)
diff --git a/Silicon/Intel/Tools/FitGen/FitGen.c b/Silicon/Intel/Tools/FitGen/FitGen.c
index 833610f2a0..b6ec551333 100644
--- a/Silicon/Intel/Tools/FitGen/FitGen.c
+++ b/Silicon/Intel/Tools/FitGen/FitGen.c
@@ -226,9 +226,17 @@ typedef struct {
#define FIT_TABLE_TYPE_BIOS_DATA_AREA 13
#define FIT_TABLE_TYPE_CSE_SECURE_BOOT 16
+//
+// With OptionalModule Address isn't known until free space has been //
+identified and the optional module has been copied into the FLASH //
+image buffer (or initialized to be populated later by another program).
+// This is very dangerous code as it can truncate 64b pointers to //
+allocated memory buffers. The full pointer is in Buffer for that case.
+//
typedef struct {
UINT32 Type;
UINT32 Address;
+ UINT8 *Buffer; // Used by OptionalModule only
UINT32 Size;
UINT32 Version; // Used by OptionalModule and PortModule only } FIT_TABLE_CONTEXT_ENTRY; @@ -575,9 +583,9 @@ Returns:
UINT64 FvLength;
EFI_GUID *TempGuid;
UINT8 *FixPoint;
- UINT32 Offset;
- UINT32 FileLength;
- UINT32 FileOccupiedSize;
+ UINTN Offset;
+ UINTN FileLength;
+ UINTN FileOccupiedSize;
//
// Find the FFS file
@@ -595,7 +603,7 @@ Returns:
InitializeFvLib (FvHeader, (UINT32)FvLength);
FileHeader = (EFI_FFS_FILE_HEADER *)((UINTN)FvHeader + FvHeader->HeaderLength);
- Offset = (UINT32) (UINTN) FileHeader - (UINT32) (UINTN) FvHeader;
+ Offset = (UINTN) FileHeader - (UINTN) FvHeader;
while (Offset < FvLength) {
TempGuid = (EFI_GUID *)&(FileHeader->Name); @@ -625,7 +633,7 @@ Returns:
return FixPoint;
}
FileHeader = (EFI_FFS_FILE_HEADER *)((UINTN)FileHeader + FileOccupiedSize);
- Offset = (UINT32) (UINTN) FileHeader - (UINT32) (UINTN) FvHeader;
+ Offset = (UINTN) FileHeader - (UINTN) FvHeader;
}
//
@@ -1082,7 +1090,7 @@ Returns:
return 0;
}
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address =
+ MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN)
+ MicrocodeFileBuffer);
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Size = MicrocodeSize;
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1110,7 +1118,7 @@ Returns:
///
while (MicrocodeBuffer + SlotSize <= MicrocodeFileBuffer + MicrocodeFileSize) {
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address =
+ MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN)
+ MicrocodeFileBuffer);
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1428,7 +1436,7 @@ Returns:
return 0;
}
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address =
+ MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN)
+ MicrocodeFileBuffer);
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Size = MicrocodeSize;
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1557,6 +1565,7 @@ Returns:
}
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Type = Type;
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Address = (UINT32) (UINTN) FileBuffer;
+
+ gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber]
+ .Buffer = FileBuffer;
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Size = FileSize;
//
@@ -1846,8 +1855,8 @@ Returns:
}
}
}
- memcpy (OptionalModuleAddress, (VOID *) (UINTN) gFitTableContext.OptionalModule[Index].Address, gFitTableContext.OptionalModule[Index].Size);
- free ((VOID *) (UINTN) gFitTableContext.OptionalModule[Index].Address);
+ memcpy (OptionalModuleAddress, gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Buffer, gFitTableContext.OptionalModule[Index].Size);
+ free
+ (gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber
+ ].Buffer);
gFitTableContext.OptionalModule[Index].Address = MEMORY_TO_FLASH (OptionalModuleAddress, FvBuffer, FvSize);
}
//
diff --git a/Silicon/Intel/Tools/FitGen/FitGen.h b/Silicon/Intel/Tools/FitGen/FitGen.h
index 9bd3f6824b..ecb5822d32 100644
--- a/Silicon/Intel/Tools/FitGen/FitGen.h
+++ b/Silicon/Intel/Tools/FitGen/FitGen.h
@@ -31,7 +31,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent // Utility version information // #define UTILITY_MAJOR_VERSION 0 -#define UTILITY_MINOR_VERSION 56
+#define UTILITY_MINOR_VERSION 57
#define UTILITY_DATE __DATE__
//
--
2.13.0.windows.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
[parent not found: <15EA4C765FD15EA4.4264@groups.io>]
* Re: [edk2-devel] [edk2-platform] FitGen: Fix the issue to run in X64 linux machine
[not found] <15EA4C765FD15EA4.4264@groups.io>
@ 2020-01-17 0:41 ` Liming Gao
0 siblings, 0 replies; 3+ messages in thread
From: Liming Gao @ 2020-01-17 0:41 UTC (permalink / raw)
To: devel@edk2.groups.io, Gao, Liming; +Cc: Oram, Isaac W, Feng, Bob C
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2466
-----Original Message-----
From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Liming Gao
Sent: 2020年1月16日 15:11
To: devel@edk2.groups.io
Cc: Oram, Isaac W <isaac.w.oram@intel.com>
Subject: [edk2-devel] [edk2-platform] FitGen: Fix the issue to run in X64 linux machine
Cc: Isaac Oram <isaac.w.oram@intel.com>
Signed-off-by: Liming Gao <liming.gao@intel.com>
---
Silicon/Intel/Tools/FitGen/FitGen.c | 29 +++++++++++++++++++---------- Silicon/Intel/Tools/FitGen/FitGen.h | 2 +-
2 files changed, 20 insertions(+), 11 deletions(-)
diff --git a/Silicon/Intel/Tools/FitGen/FitGen.c b/Silicon/Intel/Tools/FitGen/FitGen.c
index 833610f2a0..b6ec551333 100644
--- a/Silicon/Intel/Tools/FitGen/FitGen.c
+++ b/Silicon/Intel/Tools/FitGen/FitGen.c
@@ -226,9 +226,17 @@ typedef struct {
#define FIT_TABLE_TYPE_BIOS_DATA_AREA 13
#define FIT_TABLE_TYPE_CSE_SECURE_BOOT 16
+//
+// With OptionalModule Address isn't known until free space has been //
+identified and the optional module has been copied into the FLASH //
+image buffer (or initialized to be populated later by another program).
+// This is very dangerous code as it can truncate 64b pointers to //
+allocated memory buffers. The full pointer is in Buffer for that case.
+//
typedef struct {
UINT32 Type;
UINT32 Address;
+ UINT8 *Buffer; // Used by OptionalModule only
UINT32 Size;
UINT32 Version; // Used by OptionalModule and PortModule only } FIT_TABLE_CONTEXT_ENTRY; @@ -575,9 +583,9 @@ Returns:
UINT64 FvLength;
EFI_GUID *TempGuid;
UINT8 *FixPoint;
- UINT32 Offset;
- UINT32 FileLength;
- UINT32 FileOccupiedSize;
+ UINTN Offset;
+ UINTN FileLength;
+ UINTN FileOccupiedSize;
//
// Find the FFS file
@@ -595,7 +603,7 @@ Returns:
InitializeFvLib (FvHeader, (UINT32)FvLength);
FileHeader = (EFI_FFS_FILE_HEADER *)((UINTN)FvHeader + FvHeader->HeaderLength);
- Offset = (UINT32) (UINTN) FileHeader - (UINT32) (UINTN) FvHeader;
+ Offset = (UINTN) FileHeader - (UINTN) FvHeader;
while (Offset < FvLength) {
TempGuid = (EFI_GUID *)&(FileHeader->Name); @@ -625,7 +633,7 @@ Returns:
return FixPoint;
}
FileHeader = (EFI_FFS_FILE_HEADER *)((UINTN)FileHeader + FileOccupiedSize);
- Offset = (UINT32) (UINTN) FileHeader - (UINT32) (UINTN) FvHeader;
+ Offset = (UINTN) FileHeader - (UINTN) FvHeader;
}
//
@@ -1082,7 +1090,7 @@ Returns:
return 0;
}
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address =
+ MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN)
+ MicrocodeFileBuffer);
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Size = MicrocodeSize;
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1110,7 +1118,7 @@ Returns:
///
while (MicrocodeBuffer + SlotSize <= MicrocodeFileBuffer + MicrocodeFileSize) {
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address =
+ MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN)
+ MicrocodeFileBuffer);
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1428,7 +1436,7 @@ Returns:
return 0;
}
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = FIT_TABLE_TYPE_MICROCODE;
- gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = MicrocodeBase + ((UINT32) (UINTN) MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer);
+
+ gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address =
+ MicrocodeBase + (UINT32)((UINTN) MicrocodeBuffer - (UINTN)
+ MicrocodeFileBuffer);
gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Size = MicrocodeSize;
gFitTableContext.MicrocodeNumber++;
gFitTableContext.FitEntryNumber++;
@@ -1557,6 +1565,7 @@ Returns:
}
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Type = Type;
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Address = (UINT32) (UINTN) FileBuffer;
+
+ gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber]
+ .Buffer = FileBuffer;
gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Size = FileSize;
//
@@ -1846,8 +1855,8 @@ Returns:
}
}
}
- memcpy (OptionalModuleAddress, (VOID *) (UINTN) gFitTableContext.OptionalModule[Index].Address, gFitTableContext.OptionalModule[Index].Size);
- free ((VOID *) (UINTN) gFitTableContext.OptionalModule[Index].Address);
+ memcpy (OptionalModuleAddress, gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber].Buffer, gFitTableContext.OptionalModule[Index].Size);
+ free
+ (gFitTableContext.OptionalModule[gFitTableContext.OptionalModuleNumber
+ ].Buffer);
gFitTableContext.OptionalModule[Index].Address = MEMORY_TO_FLASH (OptionalModuleAddress, FvBuffer, FvSize);
}
//
diff --git a/Silicon/Intel/Tools/FitGen/FitGen.h b/Silicon/Intel/Tools/FitGen/FitGen.h
index 9bd3f6824b..ecb5822d32 100644
--- a/Silicon/Intel/Tools/FitGen/FitGen.h
+++ b/Silicon/Intel/Tools/FitGen/FitGen.h
@@ -31,7 +31,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent // Utility version information // #define UTILITY_MAJOR_VERSION 0 -#define UTILITY_MINOR_VERSION 56
+#define UTILITY_MINOR_VERSION 57
#define UTILITY_DATE __DATE__
//
--
2.13.0.windows.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2020-01-16 7:11 [edk2-platform] FitGen: Fix the issue to run in X64 linux machine Liming Gao
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[not found] <15EA4C765FD15EA4.4264@groups.io>
2020-01-17 0:41 ` Liming Gao
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