generating segfault and logging it in kern.log

lockcap.c

/* this code is meant to run on MS DOS machines and uses bios bit setting to turn CAPS LOCK on or off */
/* it contains far keyword, which is not used in gcc */

#include <stdio.h>

void main()
 {
  char *kb;
   kb = (char *)0x417;
    *kb = 64;
  }

/* use gcc lockcap.c -o lockcap.c; ./lockcap */
/*
output of dmesg after segmentation fault 

[14938.955220] lockcap[8323]: segfault at 417 ip 080483d4 sp bfd6b2f8 error 6 in lockcap[8048000+1000]
[14973.194071] lockcap[8336]: segfault at 417 ip 080483a4 sp bfd6ba68 error 6 in lockcap[8048000+1000]
[14994.645856] lockcap[8339]: segfault at 417 ip 080483a4 sp bfc076a8 error 6 in lockcap[8048000+1000]

*/