Stackoverflow question http://stackoverflow.com/questions/35122760/how-to-detect-or-avoid-using-c-uninitialized-pointer?answertab=active#tab-top

test.cpp

#include <inttypes.h>
#include <iostream>
#include <cstdio>
// def.h
struct INFO {
  uint32_t val1;
  uint32_t val2;  
};

struct INFO_LIST {
  uint32_t id;
  struct INFO * data;
};

// util.cpp
void print_request(const struct INFO_LIST req)
{
  fprintf(stdout, "%u\t%u\t%u\n", req.id, req.data->val1, req.data->val2);
}

// A.cpp
int parse_ie()
{
  struct INFO_LIST req;
  req.id = 10;
  req.data = new INFO();
  req.data->val1 = 101;
  req.data->val2 = 102;
  print_request(req);
}

// B.cpp
int parse_chrome()
{
  struct INFO_LIST req;
  req.id = 20;
  print_request(req);  // core dump here!
}
/*
 $ cppcheck test.cpp 
Checking test.cpp...
[test.cpp:37]: (error) Uninitialized struct member: req.data
$ cppcheck --version
Cppcheck 1.73 dev

*/