diff options
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Core/PiSmmCore/HeapGuard.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/MdeModulePkg/Core/PiSmmCore/HeapGuard.c b/MdeModulePkg/Core/PiSmmCore/HeapGuard.c index 063a330b18..c5ffb26342 100644 --- a/MdeModulePkg/Core/PiSmmCore/HeapGuard.c +++ b/MdeModulePkg/Core/PiSmmCore/HeapGuard.c @@ -1205,6 +1205,10 @@ SmmInternalFreePagesExWithGuard ( EFI_PHYSICAL_ADDRESS MemoryToFree;
UINTN PagesToFree;
+ if (((Memory & EFI_PAGE_MASK) != 0) || (Memory == 0) || (NumberOfPages == 0)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
MemoryToFree = Memory;
PagesToFree = NumberOfPages;
|