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-rw-r--r--MdeModulePkg/Core/Dxe/Mem/Page.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/MdeModulePkg/Core/Dxe/Mem/Page.c b/MdeModulePkg/Core/Dxe/Mem/Page.c
index a92c865e17..f2efaf1278 100644
--- a/MdeModulePkg/Core/Dxe/Mem/Page.c
+++ b/MdeModulePkg/Core/Dxe/Mem/Page.c
@@ -1051,6 +1051,11 @@ CoreFindFreePagesI (
DescEnd = ((DescEnd + 1) & (~(Alignment - 1))) - 1;
+ // Skip if DescEnd is less than DescStart after alignment clipping
+ if (DescEnd < DescStart) {
+ continue;
+ }
+
//
// Compute the number of bytes we can used from this
// descriptor, and see it's enough to satisfy the request