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OS/pintos-env/pintos/tests/userprog/bad-write2.c

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/* This program attempts to write to kernel memory.
This should terminate the process with a -1 exit code. */
#include "tests/lib.h"
#include "tests/main.h"
void
test_main (void)
{
*(int *)0xC0000000 = 42;
fail ("should have exited with -1");
}