UnicodeStrToAsciiStrS requires that the source string is shorter than
the destination buffer and will ASSERT if this is not true. Switch to
UnicodeStrnToAsciiStrS as there are cases where the source string is
longer than the buffer allocated for the device path.
Signed-off-by: Jeff Brasen <jbra...@nvidia.com>
---
.../Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c
b/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c
index f500e20b32..89ae6fb964 100644
--- a/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c
+++ b/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c
@@ -879,7 +879,7 @@ GetDeviceInfoFromHandleAndUpdateLength (
AsciiStringPtr = ComponentNameString;
}
- UnicodeStrToAsciiStrS(StringPtr, AsciiStringPtr, DevicePathStringSize);
+ UnicodeStrnToAsciiStrS(StringPtr, DevicePathStringSize - 1,
AsciiStringPtr, DevicePathStringSize, &DevicePathStringSize);
*Length += (UINT8)DevicePathStringSize;
return EFI_SUCCESS;
}
--
2.17.1
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