diff options
| -rw-r--r-- | IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c b/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c index e92601f..1840b6d 100644 --- a/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c +++ b/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c @@ -150,7 +150,7 @@ DebugPrintMarker ( FormatString = (CHAR8 *)((UINT64 *)(DebugInfo + 1) + 12);
//
- // Copy the Format string into the record
+ // Copy the Format string into the record. It will be truncated if it's too long.
//
// According to the content structure of Buffer shown above, the size of
// the FormatString buffer is the size of Buffer minus the Padding
@@ -158,7 +158,7 @@ DebugPrintMarker ( // variable arguments (12 * sizeof (UINT64)).
//
DestBufferSize = sizeof (Buffer) - 4 - sizeof (EFI_DEBUG_INFO) - 12 * sizeof (UINT64);
- AsciiStrCpyS (FormatString, DestBufferSize / sizeof (CHAR8), Format);
+ AsciiStrnCpyS (FormatString, DestBufferSize / sizeof (CHAR8), Format, DestBufferSize / sizeof (CHAR8) - 1);
//
// The first 12 * sizeof (UINT64) bytes following EFI_DEBUG_INFO are for variable arguments
|