diff --git a/lib/dhry_run.c b/lib/dhry_run.c
index e6a279dabf84..4a6d05ce4361 100644
--- a/lib/dhry_run.c
+++ b/lib/dhry_run.c
@@ -83,4 +83,5 @@ static int __init dhry_init(void)
 module_init(dhry_init);
 
 MODULE_AUTHOR("Geert Uytterhoeven <geert+renesas@glider.be>");
+MODULE_DESCRIPTION("Dhrystone benchmark test module");
 MODULE_LICENSE("GPL");
diff --git a/lib/test-kstrtox.c b/lib/test-kstrtox.c
index f355f67169b6..ee87fef66cb5 100644
--- a/lib/test-kstrtox.c
+++ b/lib/test-kstrtox.c
@@ -732,4 +732,5 @@ static int __init test_kstrtox_init(void)
 	return -EINVAL;
 }
 module_init(test_kstrtox_init);
+MODULE_DESCRIPTION("Module test for kstrto*() APIs");
 MODULE_LICENSE("Dual BSD/GPL");
diff --git a/lib/test_bits.c b/lib/test_bits.c
index c9368a2314e7..01313980f175 100644
--- a/lib/test_bits.c
+++ b/lib/test_bits.c
@@ -72,4 +72,5 @@ static struct kunit_suite bits_test_suite = {
 };
 kunit_test_suite(bits_test_suite);
 
+MODULE_DESCRIPTION("Test cases for functions and macros in bits.h");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_blackhole_dev.c b/lib/test_blackhole_dev.c
index f247089d63c0..ec290ac2a0d9 100644
--- a/lib/test_blackhole_dev.c
+++ b/lib/test_blackhole_dev.c
@@ -96,4 +96,5 @@ module_init(test_blackholedev_init);
 module_exit(test_blackholedev_exit);
 
 MODULE_AUTHOR("Mahesh Bandewar <maheshb@google.com>");
+MODULE_DESCRIPTION("module test of the blackhole_dev");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_firmware.c b/lib/test_firmware.c
index 9cfdcd6d21db..bcb32cbff188 100644
--- a/lib/test_firmware.c
+++ b/lib/test_firmware.c
@@ -1567,4 +1567,5 @@ static void __exit test_firmware_exit(void)
 module_exit(test_firmware_exit);
 
 MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
+MODULE_DESCRIPTION("interface to trigger and test firmware loading");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_free_pages.c b/lib/test_free_pages.c
index 9ebf6f5549f3..48952364c540 100644
--- a/lib/test_free_pages.c
+++ b/lib/test_free_pages.c
@@ -44,4 +44,5 @@ static void m_ex(void)
 module_init(m_in);
 module_exit(m_ex);
 MODULE_AUTHOR("Matthew Wilcox <willy@infradead.org>");
+MODULE_DESCRIPTION("Check that free_pages() doesn't leak memory");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_hash.c b/lib/test_hash.c
index bb25fda34794..a7af39662a0a 100644
--- a/lib/test_hash.c
+++ b/lib/test_hash.c
@@ -235,4 +235,5 @@ static struct kunit_suite hash_test_suite = {
 
 kunit_test_suite(hash_test_suite);
 
+MODULE_DESCRIPTION("Test cases for <linux/hash.h> and <linux/stringhash.h>");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c
index fe2682bb21e6..751645645988 100644
--- a/lib/test_hexdump.c
+++ b/lib/test_hexdump.c
@@ -253,4 +253,5 @@ static void __exit test_hexdump_exit(void)
 module_exit(test_hexdump_exit);
 
 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
+MODULE_DESCRIPTION("Test cases for lib/hexdump.c module");
 MODULE_LICENSE("Dual BSD/GPL");
diff --git a/lib/test_ida.c b/lib/test_ida.c
index 072a49897e71..c80155a1956d 100644
--- a/lib/test_ida.c
+++ b/lib/test_ida.c
@@ -214,4 +214,5 @@ static void ida_exit(void)
 module_init(ida_checks);
 module_exit(ida_exit);
 MODULE_AUTHOR("Matthew Wilcox <willy@infradead.org>");
+MODULE_DESCRIPTION("Test the IDA API");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_kprobes.c b/lib/test_kprobes.c
index 0648f7154f5c..e707f7b3a366 100644
--- a/lib/test_kprobes.c
+++ b/lib/test_kprobes.c
@@ -400,4 +400,5 @@ static struct kunit_suite kprobes_test_suite = {
 
 kunit_test_suites(&kprobes_test_suite);
 
+MODULE_DESCRIPTION("simple sanity test for *probes");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_list_sort.c b/lib/test_list_sort.c
index cc5f335f29b5..30879abc8a42 100644
--- a/lib/test_list_sort.c
+++ b/lib/test_list_sort.c
@@ -119,4 +119,5 @@ static struct kunit_suite list_sort_suite = {
 
 kunit_test_suites(&list_sort_suite);
 
+MODULE_DESCRIPTION("list_sort() KUnit test suite");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_memcat_p.c b/lib/test_memcat_p.c
index 849c477d49d0..7e0797a6bebf 100644
--- a/lib/test_memcat_p.c
+++ b/lib/test_memcat_p.c
@@ -112,4 +112,5 @@ static void __exit test_memcat_p_exit(void)
 module_init(test_memcat_p_init);
 module_exit(test_memcat_p_exit);
 
+MODULE_DESCRIPTION("Test cases for memcat_p() in lib/memcat_p.c");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_meminit.c b/lib/test_meminit.c
index 0dc173849a54..6298f66c964b 100644
--- a/lib/test_meminit.c
+++ b/lib/test_meminit.c
@@ -436,4 +436,5 @@ static int __init test_meminit_init(void)
 }
 module_init(test_meminit_init);
 
+MODULE_DESCRIPTION("Test cases for SL[AOU]B/page initialization at alloc/free time");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_min_heap.c b/lib/test_min_heap.c
index 7b01b4387cfb..a2dd478997bb 100644
--- a/lib/test_min_heap.c
+++ b/lib/test_min_heap.c
@@ -191,4 +191,5 @@ static void __exit test_min_heap_exit(void)
 }
 module_exit(test_min_heap_exit);
 
+MODULE_DESCRIPTION("Test cases for the min max heap");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_module.c b/lib/test_module.c
index debd19e35198..3d1b29b74807 100644
--- a/lib/test_module.c
+++ b/lib/test_module.c
@@ -31,4 +31,5 @@ static void __exit test_module_exit(void)
 module_exit(test_module_exit);
 
 MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
+MODULE_DESCRIPTION("module loading subsystem test module");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_ref_tracker.c b/lib/test_ref_tracker.c
index 49970a7c96f3..b983ceb12afc 100644
--- a/lib/test_ref_tracker.c
+++ b/lib/test_ref_tracker.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Referrence tracker self test.
+ * Reference tracker self test.
  *
  * Copyright (c) 2021 Eric Dumazet <edumazet@google.com>
  */
@@ -112,4 +112,5 @@ static void __exit test_ref_tracker_exit(void)
 module_init(test_ref_tracker_init);
 module_exit(test_ref_tracker_exit);
 
+MODULE_DESCRIPTION("Reference tracker self test");
 MODULE_LICENSE("GPL v2");
diff --git a/lib/test_sort.c b/lib/test_sort.c
index be02e3a098cf..81aef88b48b5 100644
--- a/lib/test_sort.c
+++ b/lib/test_sort.c
@@ -45,4 +45,5 @@ static struct kunit_suite sort_test_suite = {
 
 kunit_test_suites(&sort_test_suite);
 
+MODULE_DESCRIPTION("sort() KUnit test suite");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_static_key_base.c b/lib/test_static_key_base.c
index 5089a2e2bdd8..9f507672afa5 100644
--- a/lib/test_static_key_base.c
+++ b/lib/test_static_key_base.c
@@ -57,4 +57,5 @@ module_init(test_static_key_base_init);
 module_exit(test_static_key_base_exit);
 
 MODULE_AUTHOR("Jason Baron <jbaron@akamai.com>");
+MODULE_DESCRIPTION("Kernel module to support testing static keys");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_static_keys.c b/lib/test_static_keys.c
index 42daa74be029..00c715f30df9 100644
--- a/lib/test_static_keys.c
+++ b/lib/test_static_keys.c
@@ -236,4 +236,5 @@ module_init(test_static_key_init);
 module_exit(test_static_key_exit);
 
 MODULE_AUTHOR("Jason Baron <jbaron@akamai.com>");
+MODULE_DESCRIPTION("Kernel module for testing static keys");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_sysctl.c b/lib/test_sysctl.c
index 9321d850931f..b6696fa1d426 100644
--- a/lib/test_sysctl.c
+++ b/lib/test_sysctl.c
@@ -280,4 +280,5 @@ static void __exit test_sysctl_exit(void)
 module_exit(test_sysctl_exit);
 
 MODULE_AUTHOR("Luis R. Rodriguez <mcgrof@kernel.org>");
+MODULE_DESCRIPTION("proc sysctl test driver");
 MODULE_LICENSE("GPL");
diff --git a/lib/test_user_copy.c b/lib/test_user_copy.c
index 5ff04d8fe971..9cfef46fa2d2 100644
--- a/lib/test_user_copy.c
+++ b/lib/test_user_copy.c
@@ -328,4 +328,5 @@ static void __exit test_user_copy_exit(void)
 module_exit(test_user_copy_exit);
 
 MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
+MODULE_DESCRIPTION("Kernel module for testing copy_to/from_user infrastructure");
 MODULE_LICENSE("GPL");
