#define skip_erasing() false
#endif /* CONFIG_STACKLEAK_RUNTIME_DISABLE */
+#ifndef __stackleak_poison
+static __always_inline void __stackleak_poison(unsigned long erase_low,
+ unsigned long erase_high,
+ unsigned long poison)
+{
+ while (erase_low < erase_high) {
+ *(unsigned long *)erase_low = poison;
+ erase_low += sizeof(unsigned long);
+ }
+}
+#endif
+
static __always_inline void __stackleak_erase(bool on_task_stack)
{
const unsigned long task_stack_low = stackleak_task_low_bound(current);
else
erase_high = task_stack_high;
- while (erase_low < erase_high) {
- *(unsigned long *)erase_low = STACKLEAK_POISON;
- erase_low += sizeof(unsigned long);
- }
+ __stackleak_poison(erase_low, erase_high, STACKLEAK_POISON);
/* Reset the 'lowest_stack' value for the next syscall */
current->lowest_stack = task_stack_high;