diff --git a/0029-add-internal-error-for-missing-vg.patch b/0029-add-internal-error-for-missing-vg.patch
new file mode 100644
index 0000000000000000000000000000000000000000..8cc008c0459ea7c136b422e14369f43fca3238ae
--- /dev/null
+++ b/0029-add-internal-error-for-missing-vg.patch
@@ -0,0 +1,38 @@
+From 57ab219d9b2eea107b59b2fb7ef3bd114ca29b72 Mon Sep 17 00:00:00 2001
+From: Zdenek Kabelac <zkabelac@redhat.com>
+Date: Thu, 25 Apr 2024 23:51:58 +0200
+Subject: [PATCH] cov: validation
+
+Add internal error for missing vg.
+---
+ tools/pvmove.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/tools/pvmove.c b/tools/pvmove.c
+index dd68e33d1..c5f9d545e 100644
+--- a/tools/pvmove.c
++++ b/tools/pvmove.c
+@@ -620,6 +620,11 @@ static int _pvmove_setup_single(struct cmd_context *cmd,
+ 	unsigned exclusive;
+ 	int r = ECMD_FAILED;
+ 
++	if (!vg) {
++		log_error(INTERNAL_ERROR "Missing volume group.");
++		return r;
++	}
++
+ 	pp->found_pv = 1;
+ 	pp->setup_result = ECMD_FAILED;
+ 
+@@ -754,6 +759,11 @@ static int _pvmove_read_single(struct cmd_context *cmd,
+ 	struct logical_volume *lv;
+ 	int ret = ECMD_FAILED;
+ 
++	if (!vg) {
++		log_error(INTERNAL_ERROR "Missing volume group.");
++		return ret;
++	}
++
+ 	pp->found_pv = 1;
+ 
+ 	if (!(lv = find_pvmove_lv(vg, pv_dev(pv), PVMOVE))) {
diff --git a/lvm2.spec b/lvm2.spec
index 40b2d82b7c7e8fd902a46a7f38a2af53d44cb911..c4ba03136a3a9d8a2b1222a873318d839738102a 100644
--- a/lvm2.spec
+++ b/lvm2.spec
@@ -43,7 +43,7 @@
 
 Name:      lvm2
 Version:   2.03.21
-Release:   19
+Release:   20
 Epoch:     8
 Summary:   Tools for logical volume management
 License:   GPLv2+ and LGPLv2.1 and BSD
@@ -77,6 +77,7 @@ Patch25:   0025-fix-multiple-mounts-in-lvextend.patch
 Patch26:   0026-fix-pv_major-and-pv_minor-report-field-type.patch
 Patch27:   0027-vgsplit-fix-check-for-not-splitting-an-LV-between-tw.patch
 Patch28:   0028-vgsplit-fix-check-for-not-splitting-an-LV-between-tw.patch
+Patch29:   0029-add-internal-error-for-missing-vg.patch
 
 BuildRequires: gcc
 BuildRequires: gcc-c++
@@ -503,6 +504,9 @@ fi
 
 
 %changelog
+* Wed Nov 12 2025 weishuaihao <weishuaihao@kylinos.cn> - 8:2.03.21-20
+- add internal error for missing vg
+
 * Mon Nov 10 2025 liuh <liuhuan01@kylinos.cn> - 8:2.03.21-19
 - vgsplit: fix check for not splitting an LV between two VGs for cachevol