Commit fe52b067 authored by Brendan Shanks's avatar Brendan Shanks Committed by Alexandre Julliard

ntdll: Avoid truncating pointer to 32-bits in get_cpu_area().

parent 57c04fd0
......@@ -161,7 +161,7 @@ NTSTATUS WINAPI RtlWow64GetCpuAreaInfo( WOW64_CPURESERVED *cpu, ULONG reserved,
for (i = 0; i < ARRAY_SIZE(data); i++)
{
#define ALIGN(ptr,align) ((void *)(((ULONG_PTR)(ptr) + (align) - 1) & ~((align) - 1)))
#define ALIGN(ptr,align) ((void *)(((ULONG_PTR)(ptr) + (align) - 1) & ~((ULONG_PTR)(align) - 1)))
if (data[i].machine != cpu->Machine) continue;
info->Context = ALIGN( cpu + 1, data[i].align );
info->ContextEx = ALIGN( (char *)info->Context + data[i].size, sizeof(void *) );
......
......@@ -1111,7 +1111,7 @@ void *get_cpu_area( USHORT machine )
case IMAGE_FILE_MACHINE_ARM64: align = TYPE_ALIGNMENT(ARM64_NT_CONTEXT); break;
default: return NULL;
}
return (void *)(((ULONG_PTR)(cpu + 1) + align - 1) & ~(align - 1));
return (void *)(((ULONG_PTR)(cpu + 1) + align - 1) & ~((ULONG_PTR)align - 1));
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment