if (!s)
continue;
- /* Mark stack accessible for KASAN. */
+ /* Reset stack metadata. */
kasan_unpoison_range(s->addr, THREAD_SIZE);
+ stack = kasan_reset_tag(s->addr);
+
/* Clear stale pointers from reused stack. */
- memset(s->addr, 0, THREAD_SIZE);
+ memset(stack, 0, THREAD_SIZE);
if (memcg_charge_kernel_stack(s)) {
vfree(s->addr);
}
tsk->stack_vm_area = s;
- tsk->stack = s->addr;
+ tsk->stack = stack;
return 0;
}
* so cache the vm_struct.
*/
tsk->stack_vm_area = vm;
+ stack = kasan_reset_tag(stack);
tsk->stack = stack;
return 0;
}