vm_object: Assert that managed pages are on pagequeues when freeing

Reviewed by: dougm, kib MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D46945
bsdjhb · Oct 21, 2024 · 5fc3437 · 5fc3437
1 parent 6c40282
commit 5fc3437
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c
@@ -895,6 +895,9 @@ vm_object_terminate_single_page(vm_page_t p, void *objectv)
 	    ("%s: page %p is inconsistent", __func__, p));
 	p->object = NULL;
 	if (vm_page_drop(p, VPRC_OBJREF) == VPRC_OBJREF) {
+		KASSERT((object->flags & OBJ_UNMANAGED) != 0 ||
+		    vm_page_astate_load(p).queue != PQ_NONE,
+		    ("%s: page %p does not belong to a queue", __func__, p));
 		VM_CNT_INC(v_pfree);
 		vm_page_free(p);
 	}