blob: 141515a43b78121045d503ab110f385116013f57 [file] [log] [blame]
#include <linux/random.h>
#include <linux/version.h>
extern unsigned long __stack_chk_guard;
* Initialize the stackprotector canary value.
* NOTE: this must only be called from functions that never return,
* and it must always be inlined.
static __always_inline void boot_init_stack_canary(void)
unsigned long canary;
/* Try to get a semi random initial value. */
get_random_bytes(&canary, sizeof(canary));
canary &= CANARY_MASK;
current->stack_canary = canary;
__stack_chk_guard = current->stack_canary;