From 6dec97eeaf146484da880d996a5bc98b4a7516d8 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sat, 18 Nov 2023 11:23:22 +0200
Subject: [PATCH] nullfs: do not allow bypass on copy_file_range()

(cherry picked from commit 326836a1ebc6ce9b28c8f2bc1d177a444fba8ea6)
---
 sys/fs/nullfs/null_vnops.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/fs/nullfs/null_vnops.c b/sys/fs/nullfs/null_vnops.c
index 7db7a352f17..5daa302bedd 100644
--- a/sys/fs/nullfs/null_vnops.c
+++ b/sys/fs/nullfs/null_vnops.c
@@ -1181,5 +1181,6 @@ struct vop_vector null_vnodeops = {
 	.vop_vptofh =		null_vptofh,
 	.vop_add_writecount =	null_add_writecount,
 	.vop_vput_pair =	null_vput_pair,
+	.vop_copy_file_range =	VOP_PANIC,
 };
 VFS_VOP_VECTOR_REGISTER(null_vnodeops);