diff --git a/tools/testing/selftests/bpf/progs/verifier_const.c b/tools/testing/selftests/bpf/progs/verifier_const.c
index 5158dbea8c4318..2e533d7eec2f12 100644
--- a/tools/testing/selftests/bpf/progs/verifier_const.c
+++ b/tools/testing/selftests/bpf/progs/verifier_const.c
@@ -10,7 +10,7 @@ long bar;
 long bart = 96;
 
 SEC("tc/ingress")
-__description("rodata: write rejected")
+__description("rodata/strtol: write rejected")
 __failure __msg("write into map forbidden")
 int tcx1(struct __sk_buff *skb)
 {
@@ -20,7 +20,7 @@ int tcx1(struct __sk_buff *skb)
 }
 
 SEC("tc/ingress")
-__description("bss: write accepted")
+__description("bss/strtol: write accepted")
 __success
 int tcx2(struct __sk_buff *skb)
 {
@@ -30,7 +30,7 @@ int tcx2(struct __sk_buff *skb)
 }
 
 SEC("tc/ingress")
-__description("data: write accepted")
+__description("data/strtol: write accepted")
 __success
 int tcx3(struct __sk_buff *skb)
 {
@@ -39,4 +39,31 @@ int tcx3(struct __sk_buff *skb)
 	return TCX_PASS;
 }
 
+SEC("tc/ingress")
+__description("rodata/mtu: write rejected")
+__failure __msg("write into map forbidden")
+int tcx4(struct __sk_buff *skb)
+{
+	bpf_check_mtu(skb, skb->ifindex, (__u32 *)&foo, 0, 0);
+	return TCX_PASS;
+}
+
+SEC("tc/ingress")
+__description("bss/mtu: write accepted")
+__success
+int tcx5(struct __sk_buff *skb)
+{
+	bpf_check_mtu(skb, skb->ifindex, (__u32 *)&bar, 0, 0);
+	return TCX_PASS;
+}
+
+SEC("tc/ingress")
+__description("data/mtu: write accepted")
+__success
+int tcx6(struct __sk_buff *skb)
+{
+	bpf_check_mtu(skb, skb->ifindex, (__u32 *)&bart, 0, 0);
+	return TCX_PASS;
+}
+
 char LICENSE[] SEC("license") = "GPL";