Thanks for the fix. Could you also help update the UnicodeStrToAsciiStrS usage at line 840? Which potentially has the similar issue. UnicodeStrToAsciiStrS(StringPtr, ComponentNameString, ControllerNameStringSize);
Thanks, Dandan > -----Original Message----- > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Jeff > Brasen > Sent: Tuesday, June 2, 2020 5:13 AM > To: devel@edk2.groups.io > Cc: Bi, Dandan <dandan...@intel.com>; Gao, Liming <liming....@intel.com>; > Jeff Brasen <jbra...@nvidia.com> > Subject: [edk2-devel] [PATCH] MdeModulePkg/DxeCorePerformanceLib: > Switch to UnicodeStrnToAsciiStrS > > 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/DxeCorePerformanceLi > b.c > b/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLi > b.c > index f500e20b32..89ae6fb964 100644 > --- > a/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLi > b.c > +++ > b/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLi > b.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 > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#61014): https://edk2.groups.io/g/devel/message/61014 Mute This Topic: https://groups.io/mt/74615004/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-