SVN r17742 uses AllocateCopyPool to replace AllocateZeroPool, however
String can be NULL and this will trigger assert in AllocateCopyPool.
Error Can be replayed when we use "cd <dir>" command under Shell.
Just use a more conservative way to replace unsafe StrCpy.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Heyi Guo <heyi....@linaro.org>
---
MdePkg/Library/UefiLib/UefiLibPrint.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/MdePkg/Library/UefiLib/UefiLibPrint.c
b/MdePkg/Library/UefiLib/UefiLibPrint.c
index cc41eb0..604c25b 100644
--- a/MdePkg/Library/UefiLib/UefiLibPrint.c
+++ b/MdePkg/Library/UefiLib/UefiLibPrint.c
@@ -754,12 +754,16 @@ CatVSPrint (
SizeRequired = sizeof(CHAR16) + (CharactersRequired * sizeof(CHAR16));
}
- BufferToReturn = AllocateCopyPool(SizeRequired, String);
+ BufferToReturn = AllocateZeroPool(SizeRequired);
if (BufferToReturn == NULL) {
return NULL;
}
+ if (String != NULL) {
+ StrCpyS(BufferToReturn, SizeRequired, String);
+ }
+
UnicodeVSPrint(BufferToReturn + StrLen(BufferToReturn),
(CharactersRequired+1) * sizeof(CHAR16), FormatString, Marker);
ASSERT(StrSize(BufferToReturn)==SizeRequired);
--
2.1.4
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