[LTP] [PATCH 2/3] tst_kconfig: add module mappings for vsock/vsock_loopback

[Li Wang <li.wang@linux.dev>]

Map CONFIG_VSOCKETS and CONFIG_VSOCKETS_LOOPBACK to their kernel
modules (vsock, vsock_loopback).

Signed-off-by: Li Wang <li.wang@linux.dev>
---
 lib/tst_kconfig.c              | 2 ++
 testcases/cve/cve-2025-21756.c | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/lib/tst_kconfig.c b/lib/tst_kconfig.c
index 7e3ee1fe8..17db9cd1a 100644
--- a/lib/tst_kconfig.c
+++ b/lib/tst_kconfig.c
@@ -173,6 +173,8 @@ static struct config_module_map {
 	{"CONFIG_NET_ACT_PEDIT", "act_pedit"},
 	{"CONFIG_PKCS8_PRIVATE_KEY_PARSER", "pkcs8_key_parser"},
 	{"CONFIG_X509_CERTIFICATE_PARSER", "x509_key_parser"},
+	{"CONFIG_VSOCKETS", "vsock"},
+	{"CONFIG_VSOCKETS_LOOPBACK", "vsock_loopback"},
 	{}
 };
 
diff --git a/testcases/cve/cve-2025-21756.c b/testcases/cve/cve-2025-21756.c
index 4245a4c95..1df8545c9 100644
--- a/testcases/cve/cve-2025-21756.c
+++ b/testcases/cve/cve-2025-21756.c
@@ -85,8 +85,14 @@ static void run(void)
 }
 
 static struct tst_test test = {
+	.needs_root = 1,
 	.test_all = run,
 	.taint_check = TST_TAINT_W | TST_TAINT_D,
+	.needs_kconfigs = (const char *const[]) {
+		"CONFIG_VSOCKETS",
+		"CONFIG_VSOCKETS_LOOPBACK",
+		NULL
+	},
 	.tags = (const struct tst_tag[]) {
 		{"linux-git", "fcdd2242c0231032fc84e1404315c245ae56322a"},
 		{"CVE", "2025-21756"},
-- 
2.55.0


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