diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -1727,6 +1727,7 @@
 
 	AUDIT_ARG_FILE(td->td_proc, fp);
 
+	bzero(sbp, sizeof(*sbp));
 	sbp->st_filerev = 0;
 	sbp->st_bsdflags = 0;
 	error = fo_stat(fp, sbp, td->td_ucred);