diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c.orig b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c
--- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c.orig
+++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c
@@ -6239,7 +6239,8 @@
 	struct mount *mp;
 	struct uio io;
 	int error;
-	uint64_t len = *ap->a_lenp;
+	uint64_t len;
+	ssize_t r = 0;
 
 	if (!zfs_bclone_enabled) {
 		mp = NULL;
@@ -6287,9 +6288,14 @@
 
 	io.uio_offset = *ap->a_outoffp;
 	io.uio_resid = *ap->a_lenp;
-	error = vn_rlimit_fsize(outvp, &io, ap->a_fsizetd);
+	error = vn_rlimit_fsizex(outvp, &io, 0, &r, ap->a_fsize_td);
 	if (error != 0)
 		goto out_locked;
+	len = io.uio_resid;
+	/*
+	 * No need to call vn_rlimit_fsizex_res before return,
+	 * since the uio is local.
+	 */
 
 	error = zfs_clone_range(VTOZ(invp), ap->a_inoffp, VTOZ(outvp),
 	    ap->a_outoffp, &len, ap->a_outcred);