Dereference null return value

If the function actually returns a null value, a null pointer dereference will occur. Return value of function which returns null is dereferenced without checking
/src/mongo/db/catalog/collection_catalog.cpp:1208: NULL_RETURNS 138232 Assigning: "pending" = "nullptr" return value from "find".
/src/mongo/db/catalog/collection_catalog.cpp:1209: NULL_RETURNS 138232 Attempting to access the managed object of an empty smart pointer "pending".