You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
665 B
30 lines
665 B
#include <litc.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
if (open((const char *)0x12347, O_RDONLY, 0) >= 0 || errno != EFAULT)
|
|
errx(-1, "no fault?");
|
|
errno = 0;
|
|
|
|
if (write(1, (void *)0x7ffffff0, 10) >= 0 || errno != EFAULT)
|
|
errx(-1, "no fault?");
|
|
errno = 0;
|
|
|
|
// g0 stack
|
|
if (mkdir((const char *)0xffffffffffffffff, 0) == 0 || errno != EFAULT)
|
|
errx(-1, "no fault?");
|
|
errno = 0;
|
|
|
|
int fd;
|
|
if ((fd = open("/bigfile.txt", O_RDONLY, 0)) < 0)
|
|
err(fd, "open");
|
|
if (errno != 0)
|
|
errx(-1, "errno changed on success?");
|
|
// kernel text
|
|
if (read(fd, (void *)0x400040, 1024) >= 0 || errno != EFAULT)
|
|
errx(-1, "no fault?");
|
|
|
|
printf("success\n");
|
|
return 0;
|
|
}
|