Index: bpf.c
===================================================================
RCS file: /cvs/src/sys/net/bpf.c,v
diff -u -p -r1.225 bpf.c
--- bpf.c	15 Aug 2024 12:20:20 -0000	1.225
+++ bpf.c	3 Nov 2024 09:06:53 -0000
@@ -1798,8 +1798,10 @@ bpfsdetach(void *p)
 			break;
 
 	while ((bd = SMR_SLIST_FIRST_LOCKED(&bp->bif_dlist))) {
+		bpf_get(bd);
 		vdevgone(maj, bd->bd_unit, bd->bd_unit, VCHR);
 		klist_invalidate(&bd->bd_klist);
+		bpf_put(bd);
 	}
 
 	for (tbp = bpf_iflist; tbp; tbp = tbp->bif_next) {