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3 files changed, 3 insertions, 0 deletions

diff --git a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h
index ebcf3b821b7..cb803735b89 100644
--- a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h
+++ b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h
@@ -41,6 +41,7 @@ protected:
 
 protected:
     uint32_t getTargetLid(uint32_t lid) const {
+        // Check range to avoid reading memory beyond end of mapping array
         return lid < _targetLids.size() ? _targetLids[lid] : 0u;
     }
 
diff --git a/searchlib/src/vespa/searchlib/attribute/imported_search_context.h b/searchlib/src/vespa/searchlib/attribute/imported_search_context.h
index a37774476e0..caf9b2f3c11 100644
--- a/searchlib/src/vespa/searchlib/attribute/imported_search_context.h
+++ b/searchlib/src/vespa/searchlib/attribute/imported_search_context.h
@@ -40,6 +40,7 @@ class ImportedSearchContext : public ISearchContext {
     SearchContextParams                             _params;
 
     uint32_t getTargetLid(uint32_t lid) const {
+        // Check range to avoid reading memory beyond end of mapping array
         return lid < _targetLids.size() ? _targetLids[lid] : 0u;
     }
 
diff --git a/searchlib/src/vespa/searchlib/attribute/reference_mappings.h b/searchlib/src/vespa/searchlib/attribute/reference_mappings.h
index 971ef1eaf93..84dea276740 100644
--- a/searchlib/src/vespa/searchlib/attribute/reference_mappings.h
+++ b/searchlib/src/vespa/searchlib/attribute/reference_mappings.h
@@ -87,6 +87,7 @@ public:
         return TargetLids(&_targetLids[0], committedDocIdLimit);
     }
     uint32_t getTargetLid(uint32_t doc) const {
+        // Check limit to avoid reading memory beyond end of valid mapping array
         return doc < _committedDocIdLimit ? _targetLids[doc] : 0u;
     }
     ReverseMappingRefs getReverseMappingRefs() const {