Pintos: pintos/src/tests/vm/pt-bad-read.c Source File

00001 /* Reads from a file into a bad address.
00002    The process must be terminated with -1 exit code. */
00003 
00004 #include <syscall.h>
00005 #include "tests/lib.h"
00006 #include "tests/main.h"
00007 
00008 void
00009 test_main (void)
00010 {
00011   int handle;
00012 
00013   CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
00014   read (handle, (char *) &handle - 4096, 1);
00015   fail ("survived reading data into bad address");
00016 }