/* Thx to spender, we now have a working grsec bypasser :) look below...and simply modify the code to your liking
xd / haqnet irc #HaqNET !
*/
//includes are NOT for public, same as the exploit code main,you have to work that bit out ;) , look for dmesg.

#define PAGE_SIZE getpagesize()  // added so it works! (xd)
static void __gr_check_mem(char *msg, char *to, unsigned long n) {
if (object_is_on_stack(to) && !object_is_on_stack(to + n))
//goto exploit;
else {
struct page *page;
page = virt_to_head_page(to);
if (!PageSlab(page)) {
unsigned long max;
char *pagestart = page_address(page);
if ((!PageCompound(page) && ((to + n) > (pagestart + PAGE_SIZE))) || (PageCompound(page) && ((to + n) > (pagestart + (PAGE_SIZE << compound_order(page))))))
goto exploit;
} else if (n > ksize(to))
goto exploit;
}
return;
exploit:
{
if (current->signal->curr_ip)
else
panic(err_msg);
}
}

void gr_check_mem_overflow(char *to, unsigned long n) {
__gr_check_mem("[!] overflow", to, n);
}
void gr_check_mem_leak(char *to, unsigned long n) {
__gr_check_mem("[-] info leak", to, n);
}