Merge pull request #2926 from psychocoderHPC/topic-avoidOutOfMemAccess

`ExchangeTypeNames` avoid illegal memory access
ComputationalRadiationPhysics · Mar 19, 2019 · 5bc8743 · 5bc8743
2 parents 69e77eb + 3e19311
commit 5bc8743
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/pmacc/types.hpp b/include/pmacc/types.hpp
@@ -75,6 +75,7 @@
 
 #include <stdint.h>
 #include <stdexcept>
+#include <string>
 
 
 namespace pmacc
@@ -149,6 +150,9 @@ struct ExchangeTypeNames
 {
     std::string operator[]( const uint32_t exchange ) const
     {
+        if( exchange >= 27 )
+            return std::string("unknown exchange type: ") + std::to_string(exchange);
+
         const char* names[27] = {
             "none",
             "right", "left", "bottom",