CPP: Add support for Microsoft functions in Alloc.qll.

Author: geoffw0

cpp/ql/src/semmle/code/cpp/commons/Alloc.qll

@@ -15,7 +15,31 @@ predicate allocationFunction(Function f)
       name = "wcsdup" or
       name = "_strdup" or
       name = "_wcsdup" or
-      name = "_mbsdup"
+      name = "_mbsdup" or
+      name = "ExAllocatePool" or
+      name = "ExAllocatePoolWithTag" or
+      name = "ExAllocatePoolWithTagPriority" or
+      name = "ExAllocatePoolWithQuota" or
+      name = "ExAllocatePoolWithQuotaTag" or
+      name = "ExAllocateFromLookasideListEx" or
+      name = "ExAllocateFromPagedLookasideList" or
+      name = "ExAllocateFromNPagedLookasideList" or
+      name = "ExAllocateTimer" or
+      name = "IoAllocateMdl" or
+      name = "IoAllocateWorkItem" or
+      name = "IoAllocateErrorLogEntry" or
+      name = "MmAllocateContiguousMemory" or
+      name = "MmAllocateContiguousNodeMemory" or
+      name = "MmAllocateContiguousMemorySpecifyCache" or
+      name = "MmAllocateContiguousMemorySpecifyCacheNode" or
+      name = "MmAllocateNonCachedMemory" or
+      name = "MmAllocateMappingAddress" or
+      name = "MmAllocatePagesForMdl" or
+      name = "MmAllocatePagesForMdlEx" or
+      name = "MmAllocateNodePagesForMdlEx" or
+      name = "MmMapLockedPagesWithReservedMapping" or
+      name = "MmMapLockedPages" or
+      name = "MmMapLockedPagesSpecifyCache"
     )
   )
 }
@@ -42,7 +66,22 @@ predicate freeFunction(Function f, int argNum)
     f.hasQualifiedName(name) and
     (
       (name = "free" and argNum = 0) or
-      (name = "realloc" and argNum = 0)
+      (name = "realloc" and argNum = 0) or
+      (name = "ExFreePoolWithTag" and argNum = 0) or
+      (name = "ExFreeToLookasideListEx" and argNum = 1) or
+      (name = "ExFreeToPagedLookasideList" and argNum = 1) or
+      (name = "ExFreeToNPagedLookasideList" and argNum = 1) or
+      (name = "ExDeleteTimer" and argNum = 0) or
+      (name = "IoFreeMdl" and argNum = 0) or
+      (name = "IoFreeWorkItem" and argNum = 0) or
+      (name = "IoFreeErrorLogEntry" and argNum = 0) or
+      (name = "MmFreeContiguousMemory" and argNum = 0) or
+      (name = "MmFreeContiguousMemorySpecifyCache" and argNum = 0) or
+      (name = "MmFreeNonCachedMemory" and argNum = 0) or
+      (name = "MmFreeMappingAddress" and argNum = 0) or
+      (name = "MmFreePagesFromMdl" and argNum = 0) or
+      (name = "MmUnmapReservedMapping" and argNum = 0) or
+      (name = "MmUnmapLockedPages" and argNum = 0)
     )
   )
 }