func: void bad() char * data ; map < int , char * > dataMap ; data = NULL; data = new char [ 50 ]; data [ 0 ] = '\0'; dataMap [ 0 ] = data; dataMap [ 1 ] = data; dataMap [ 2 ] = data; badSink ( dataMap ); void badSink(map<int, char *> dataMap) char * data = dataMap [ 2 ] ; char source [ 100 ] ; memset ( source , 'C' , 100 - 1 ); source [ 100 - 1 ] = '\0'; strcat ( data , source ); printLine ( data ); void printLine (const char * line) if ( line != NULL )  printf ( "%s\n" , line ); delete [ ] data 