github.com/tri-stone/burrow@v0.25.0/tests/jobs_fixtures/app51-user-account-forward-proxy-pattern/readme.md (about)

     1  # Error 5: Memory out of bounds  
     2  This fixture deploys and tests a proxy forwarding pattern implemented using assembly in the DefaultUserAccount contract. The included test performs mulitple forwardCall invocations and fails with a "Memory out of bounds" for functions that return a string.
     3  
     4  The call opcode requires a valid argument in the 6th position; else we get an
     5  memory out of bounds error.