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OS/pintos-env/pintos/tests/vm/pt-bad-read.c

16 lines
373 B
C
Executable file

/* Reads from a file into a bad address.
The process must be terminated with -1 exit code. */
#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"
void
test_main (void)
{
int handle;
CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
read (handle, (char *) &handle - 4096, 1);
fail ("survived reading data into bad address");
}