Index: sys/fs/pseudofs/pseudofs_vnops.c
===================================================================
--- sys/fs/pseudofs/pseudofs_vnops.c
+++ sys/fs/pseudofs/pseudofs_vnops.c
@@ -1129,6 +1129,7 @@
 			PRELE(proc);
 		PFS_RETURN (error);
 	}
+	sbuf_finish(&sb);
 
 	error = pn_fill(curthread, proc, pn, &sb, uio);