This program can be use to check null protection for mallocs in any c program. You can use the null_checker script in order to test a certain executable. all parts of the executable should be compiled with -g flag, including libraries, for accurate backtraces
to see all the different flags
cd null_checker
./null_checker -h
to execute with a certain program
cd null_checker
./null_checker --args-of-null-checker /path/to/an/executable --args-of-program