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OS/pintos-env/pintos/tests/userprog/read-bad-ptr.c

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/* Passes an invalid pointer to the read system call.
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 *) 0xc0100000, 123);
fail ("should not have survived read()");
}