/* * gcc gdb_test.c -o gdb_test -g * ./gdb_test * Segmentation fault (core dumped) * gdb gdb_test -c core.5521 * Core was generated by `gdb_test'. * Program terminated with signal 11, Segmentation fault. * #0 0x000000000040048b in main (argc=1, argv=0x7fff00c0b438) at gdb_test.c:18 * 18 *ptr='\n'; */ #include#include int main(const int argc,const char *argv[]) { char *ptr=NULL; *ptr='\n'; return 0; } /* * add follow in the ~/.bashrc file to generate core file * ulimit -c unlimited */