diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index 4f115e0..50dc802 100644
--- a/arch/x86/mm/kmmio.c
+++ b/arch/x86/mm/kmmio.c
@@ -87,7 +87,7 @@
 {
 	struct kmmio_probe *p;
 	list_for_each_entry_rcu(p, &kmmio_probes, list) {
-		if (addr >= p->addr && addr <= (p->addr + p->len))
+		if (addr >= p->addr && addr < (p->addr + p->len))
 			return p;
 	}
 	return NULL;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 1ce5dc6..a884c09 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3448,6 +3448,7 @@
 		if (!ref)
 			break;
 
+		ref->ref = 1;
 		ref->buffer = info->tr->buffer;
 		ref->page = ring_buffer_alloc_read_page(ref->buffer);
 		if (!ref->page) {