valgrind.supp

{
   <cuda1>
   Memcheck:Leak
   match-leak-kinds: possible
   ...
   obj:/usr/*lib*/libcuda*
}
{
   <cuda2>
   Memcheck:Leak
   match-leak-kinds: reachable
   ...
   obj:/usr/*lib*/libcuda*
}
{
   <cuda3>
   Memcheck:Leak
   match-leak-kinds: reachable
   ...
   fun:_ZN6cudart*
}