diff --git a/tests/zfs-tests/cmd/libzfs_input_check/libzfs_input_check.c b/tests/zfs-tests/cmd/libzfs_input_check/libzfs_input_check.c
index ecdabbd148..bf57518c7d 100644
--- a/tests/zfs-tests/cmd/libzfs_input_check/libzfs_input_check.c
+++ b/tests/zfs-tests/cmd/libzfs_input_check/libzfs_input_check.c
@@ -862,93 +862,105 @@ enum zfs_ioc_ref {
 boolean_t
 validate_ioc_values(void)
 {
-	return (
-	    ZFS_IOC_BASE + 0 == ZFS_IOC_POOL_CREATE &&
-	    ZFS_IOC_BASE + 1 == ZFS_IOC_POOL_DESTROY &&
-	    ZFS_IOC_BASE + 2 == ZFS_IOC_POOL_IMPORT &&
-	    ZFS_IOC_BASE + 3 == ZFS_IOC_POOL_EXPORT &&
-	    ZFS_IOC_BASE + 4 == ZFS_IOC_POOL_CONFIGS &&
-	    ZFS_IOC_BASE + 5 == ZFS_IOC_POOL_STATS &&
-	    ZFS_IOC_BASE + 6 == ZFS_IOC_POOL_TRYIMPORT &&
-	    ZFS_IOC_BASE + 7 == ZFS_IOC_POOL_SCAN &&
-	    ZFS_IOC_BASE + 8 == ZFS_IOC_POOL_FREEZE &&
-	    ZFS_IOC_BASE + 9 == ZFS_IOC_POOL_UPGRADE &&
-	    ZFS_IOC_BASE + 10 == ZFS_IOC_POOL_GET_HISTORY &&
-	    ZFS_IOC_BASE + 11 == ZFS_IOC_VDEV_ADD &&
-	    ZFS_IOC_BASE + 12 == ZFS_IOC_VDEV_REMOVE &&
-	    ZFS_IOC_BASE + 13 == ZFS_IOC_VDEV_SET_STATE &&
-	    ZFS_IOC_BASE + 14 == ZFS_IOC_VDEV_ATTACH &&
-	    ZFS_IOC_BASE + 15 == ZFS_IOC_VDEV_DETACH &&
-	    ZFS_IOC_BASE + 16 == ZFS_IOC_VDEV_SETPATH &&
-	    ZFS_IOC_BASE + 17 == ZFS_IOC_VDEV_SETFRU &&
-	    ZFS_IOC_BASE + 18 == ZFS_IOC_OBJSET_STATS &&
-	    ZFS_IOC_BASE + 19 == ZFS_IOC_OBJSET_ZPLPROPS &&
-	    ZFS_IOC_BASE + 20 == ZFS_IOC_DATASET_LIST_NEXT &&
-	    ZFS_IOC_BASE + 21 == ZFS_IOC_SNAPSHOT_LIST_NEXT &&
-	    ZFS_IOC_BASE + 22 == ZFS_IOC_SET_PROP &&
-	    ZFS_IOC_BASE + 23 == ZFS_IOC_CREATE &&
-	    ZFS_IOC_BASE + 24 == ZFS_IOC_DESTROY &&
-	    ZFS_IOC_BASE + 25 == ZFS_IOC_ROLLBACK &&
-	    ZFS_IOC_BASE + 26 == ZFS_IOC_RENAME &&
-	    ZFS_IOC_BASE + 27 == ZFS_IOC_RECV &&
-	    ZFS_IOC_BASE + 28 == ZFS_IOC_SEND &&
-	    ZFS_IOC_BASE + 29 == ZFS_IOC_INJECT_FAULT &&
-	    ZFS_IOC_BASE + 30 == ZFS_IOC_CLEAR_FAULT &&
-	    ZFS_IOC_BASE + 31 == ZFS_IOC_INJECT_LIST_NEXT &&
-	    ZFS_IOC_BASE + 32 == ZFS_IOC_ERROR_LOG &&
-	    ZFS_IOC_BASE + 33 == ZFS_IOC_CLEAR &&
-	    ZFS_IOC_BASE + 34 == ZFS_IOC_PROMOTE &&
-	    ZFS_IOC_BASE + 35 == ZFS_IOC_SNAPSHOT &&
-	    ZFS_IOC_BASE + 36 == ZFS_IOC_DSOBJ_TO_DSNAME &&
-	    ZFS_IOC_BASE + 37 == ZFS_IOC_OBJ_TO_PATH &&
-	    ZFS_IOC_BASE + 38 == ZFS_IOC_POOL_SET_PROPS &&
-	    ZFS_IOC_BASE + 39 == ZFS_IOC_POOL_GET_PROPS &&
-	    ZFS_IOC_BASE + 40 == ZFS_IOC_SET_FSACL &&
-	    ZFS_IOC_BASE + 41 == ZFS_IOC_GET_FSACL &&
-	    ZFS_IOC_BASE + 42 == ZFS_IOC_SHARE &&
-	    ZFS_IOC_BASE + 43 == ZFS_IOC_INHERIT_PROP &&
-	    ZFS_IOC_BASE + 44 == ZFS_IOC_SMB_ACL &&
-	    ZFS_IOC_BASE + 45 == ZFS_IOC_USERSPACE_ONE &&
-	    ZFS_IOC_BASE + 46 == ZFS_IOC_USERSPACE_MANY &&
-	    ZFS_IOC_BASE + 47 == ZFS_IOC_USERSPACE_UPGRADE &&
-	    ZFS_IOC_BASE + 48 == ZFS_IOC_HOLD &&
-	    ZFS_IOC_BASE + 49 == ZFS_IOC_RELEASE &&
-	    ZFS_IOC_BASE + 50 == ZFS_IOC_GET_HOLDS &&
-	    ZFS_IOC_BASE + 51 == ZFS_IOC_OBJSET_RECVD_PROPS &&
-	    ZFS_IOC_BASE + 52 == ZFS_IOC_VDEV_SPLIT &&
-	    ZFS_IOC_BASE + 53 == ZFS_IOC_NEXT_OBJ &&
-	    ZFS_IOC_BASE + 54 == ZFS_IOC_DIFF &&
-	    ZFS_IOC_BASE + 55 == ZFS_IOC_TMP_SNAPSHOT &&
-	    ZFS_IOC_BASE + 56 == ZFS_IOC_OBJ_TO_STATS &&
-	    ZFS_IOC_BASE + 57 == ZFS_IOC_SPACE_WRITTEN &&
-	    ZFS_IOC_BASE + 58 == ZFS_IOC_SPACE_SNAPS &&
-	    ZFS_IOC_BASE + 59 == ZFS_IOC_DESTROY_SNAPS &&
-	    ZFS_IOC_BASE + 60 == ZFS_IOC_POOL_REGUID &&
-	    ZFS_IOC_BASE + 61 == ZFS_IOC_POOL_REOPEN &&
-	    ZFS_IOC_BASE + 62 == ZFS_IOC_SEND_PROGRESS &&
-	    ZFS_IOC_BASE + 63 == ZFS_IOC_LOG_HISTORY &&
-	    ZFS_IOC_BASE + 64 == ZFS_IOC_SEND_NEW &&
-	    ZFS_IOC_BASE + 65 == ZFS_IOC_SEND_SPACE &&
-	    ZFS_IOC_BASE + 66 == ZFS_IOC_CLONE &&
-	    ZFS_IOC_BASE + 67 == ZFS_IOC_BOOKMARK &&
-	    ZFS_IOC_BASE + 68 == ZFS_IOC_GET_BOOKMARKS &&
-	    ZFS_IOC_BASE + 69 == ZFS_IOC_DESTROY_BOOKMARKS &&
-	    ZFS_IOC_BASE + 70 == ZFS_IOC_RECV_NEW &&
-	    ZFS_IOC_BASE + 71 == ZFS_IOC_POOL_SYNC &&
-	    ZFS_IOC_BASE + 72 == ZFS_IOC_CHANNEL_PROGRAM &&
-	    ZFS_IOC_BASE + 73 == ZFS_IOC_LOAD_KEY &&
-	    ZFS_IOC_BASE + 74 == ZFS_IOC_UNLOAD_KEY &&
-	    ZFS_IOC_BASE + 75 == ZFS_IOC_CHANGE_KEY &&
-	    ZFS_IOC_BASE + 76 == ZFS_IOC_REMAP &&
-	    ZFS_IOC_BASE + 77 == ZFS_IOC_POOL_CHECKPOINT &&
-	    ZFS_IOC_BASE + 78 == ZFS_IOC_POOL_DISCARD_CHECKPOINT &&
-	    ZFS_IOC_BASE + 79 == ZFS_IOC_POOL_INITIALIZE &&
-	    ZFS_IOC_BASE + 80 == ZFS_IOC_POOL_TRIM &&
-	    ZFS_IOC_BASE + 81 == ZFS_IOC_REDACT &&
-	    ZFS_IOC_BASE + 82 == ZFS_IOC_GET_BOOKMARK_PROPS &&
-	    LINUX_IOC_BASE + 1 == ZFS_IOC_EVENTS_NEXT &&
-	    LINUX_IOC_BASE + 2 == ZFS_IOC_EVENTS_CLEAR &&
-	    LINUX_IOC_BASE + 3 == ZFS_IOC_EVENTS_SEEK);
+	boolean_t result = TRUE;
+
+#define	CHECK(expr) do { \
+	if (!(expr)) { \
+		result = FALSE; \
+		fprintf(stderr, "(%s) === FALSE\n", #expr); \
+	} \
+} while (0)
+
+	CHECK(ZFS_IOC_BASE + 0 == ZFS_IOC_POOL_CREATE);
+	CHECK(ZFS_IOC_BASE + 1 == ZFS_IOC_POOL_DESTROY);
+	CHECK(ZFS_IOC_BASE + 2 == ZFS_IOC_POOL_IMPORT);
+	CHECK(ZFS_IOC_BASE + 3 == ZFS_IOC_POOL_EXPORT);
+	CHECK(ZFS_IOC_BASE + 4 == ZFS_IOC_POOL_CONFIGS);
+	CHECK(ZFS_IOC_BASE + 5 == ZFS_IOC_POOL_STATS);
+	CHECK(ZFS_IOC_BASE + 6 == ZFS_IOC_POOL_TRYIMPORT);
+	CHECK(ZFS_IOC_BASE + 7 == ZFS_IOC_POOL_SCAN);
+	CHECK(ZFS_IOC_BASE + 8 == ZFS_IOC_POOL_FREEZE);
+	CHECK(ZFS_IOC_BASE + 9 == ZFS_IOC_POOL_UPGRADE);
+	CHECK(ZFS_IOC_BASE + 10 == ZFS_IOC_POOL_GET_HISTORY);
+	CHECK(ZFS_IOC_BASE + 11 == ZFS_IOC_VDEV_ADD);
+	CHECK(ZFS_IOC_BASE + 12 == ZFS_IOC_VDEV_REMOVE);
+	CHECK(ZFS_IOC_BASE + 13 == ZFS_IOC_VDEV_SET_STATE);
+	CHECK(ZFS_IOC_BASE + 14 == ZFS_IOC_VDEV_ATTACH);
+	CHECK(ZFS_IOC_BASE + 15 == ZFS_IOC_VDEV_DETACH);
+	CHECK(ZFS_IOC_BASE + 16 == ZFS_IOC_VDEV_SETPATH);
+	CHECK(ZFS_IOC_BASE + 17 == ZFS_IOC_VDEV_SETFRU);
+	CHECK(ZFS_IOC_BASE + 18 == ZFS_IOC_OBJSET_STATS);
+	CHECK(ZFS_IOC_BASE + 19 == ZFS_IOC_OBJSET_ZPLPROPS);
+	CHECK(ZFS_IOC_BASE + 20 == ZFS_IOC_DATASET_LIST_NEXT);
+	CHECK(ZFS_IOC_BASE + 21 == ZFS_IOC_SNAPSHOT_LIST_NEXT);
+	CHECK(ZFS_IOC_BASE + 22 == ZFS_IOC_SET_PROP);
+	CHECK(ZFS_IOC_BASE + 23 == ZFS_IOC_CREATE);
+	CHECK(ZFS_IOC_BASE + 24 == ZFS_IOC_DESTROY);
+	CHECK(ZFS_IOC_BASE + 25 == ZFS_IOC_ROLLBACK);
+	CHECK(ZFS_IOC_BASE + 26 == ZFS_IOC_RENAME);
+	CHECK(ZFS_IOC_BASE + 27 == ZFS_IOC_RECV);
+	CHECK(ZFS_IOC_BASE + 28 == ZFS_IOC_SEND);
+	CHECK(ZFS_IOC_BASE + 29 == ZFS_IOC_INJECT_FAULT);
+	CHECK(ZFS_IOC_BASE + 30 == ZFS_IOC_CLEAR_FAULT);
+	CHECK(ZFS_IOC_BASE + 31 == ZFS_IOC_INJECT_LIST_NEXT);
+	CHECK(ZFS_IOC_BASE + 32 == ZFS_IOC_ERROR_LOG);
+	CHECK(ZFS_IOC_BASE + 33 == ZFS_IOC_CLEAR);
+	CHECK(ZFS_IOC_BASE + 34 == ZFS_IOC_PROMOTE);
+	CHECK(ZFS_IOC_BASE + 35 == ZFS_IOC_SNAPSHOT);
+	CHECK(ZFS_IOC_BASE + 36 == ZFS_IOC_DSOBJ_TO_DSNAME);
+	CHECK(ZFS_IOC_BASE + 37 == ZFS_IOC_OBJ_TO_PATH);
+	CHECK(ZFS_IOC_BASE + 38 == ZFS_IOC_POOL_SET_PROPS);
+	CHECK(ZFS_IOC_BASE + 39 == ZFS_IOC_POOL_GET_PROPS);
+	CHECK(ZFS_IOC_BASE + 40 == ZFS_IOC_SET_FSACL);
+	CHECK(ZFS_IOC_BASE + 41 == ZFS_IOC_GET_FSACL);
+	CHECK(ZFS_IOC_BASE + 42 == ZFS_IOC_SHARE);
+	CHECK(ZFS_IOC_BASE + 43 == ZFS_IOC_INHERIT_PROP);
+	CHECK(ZFS_IOC_BASE + 44 == ZFS_IOC_SMB_ACL);
+	CHECK(ZFS_IOC_BASE + 45 == ZFS_IOC_USERSPACE_ONE);
+	CHECK(ZFS_IOC_BASE + 46 == ZFS_IOC_USERSPACE_MANY);
+	CHECK(ZFS_IOC_BASE + 47 == ZFS_IOC_USERSPACE_UPGRADE);
+	CHECK(ZFS_IOC_BASE + 48 == ZFS_IOC_HOLD);
+	CHECK(ZFS_IOC_BASE + 49 == ZFS_IOC_RELEASE);
+	CHECK(ZFS_IOC_BASE + 50 == ZFS_IOC_GET_HOLDS);
+	CHECK(ZFS_IOC_BASE + 51 == ZFS_IOC_OBJSET_RECVD_PROPS);
+	CHECK(ZFS_IOC_BASE + 52 == ZFS_IOC_VDEV_SPLIT);
+	CHECK(ZFS_IOC_BASE + 53 == ZFS_IOC_NEXT_OBJ);
+	CHECK(ZFS_IOC_BASE + 54 == ZFS_IOC_DIFF);
+	CHECK(ZFS_IOC_BASE + 55 == ZFS_IOC_TMP_SNAPSHOT);
+	CHECK(ZFS_IOC_BASE + 56 == ZFS_IOC_OBJ_TO_STATS);
+	CHECK(ZFS_IOC_BASE + 57 == ZFS_IOC_SPACE_WRITTEN);
+	CHECK(ZFS_IOC_BASE + 58 == ZFS_IOC_SPACE_SNAPS);
+	CHECK(ZFS_IOC_BASE + 59 == ZFS_IOC_DESTROY_SNAPS);
+	CHECK(ZFS_IOC_BASE + 60 == ZFS_IOC_POOL_REGUID);
+	CHECK(ZFS_IOC_BASE + 61 == ZFS_IOC_POOL_REOPEN);
+	CHECK(ZFS_IOC_BASE + 62 == ZFS_IOC_SEND_PROGRESS);
+	CHECK(ZFS_IOC_BASE + 63 == ZFS_IOC_LOG_HISTORY);
+	CHECK(ZFS_IOC_BASE + 64 == ZFS_IOC_SEND_NEW);
+	CHECK(ZFS_IOC_BASE + 65 == ZFS_IOC_SEND_SPACE);
+	CHECK(ZFS_IOC_BASE + 66 == ZFS_IOC_CLONE);
+	CHECK(ZFS_IOC_BASE + 67 == ZFS_IOC_BOOKMARK);
+	CHECK(ZFS_IOC_BASE + 68 == ZFS_IOC_GET_BOOKMARKS);
+	CHECK(ZFS_IOC_BASE + 69 == ZFS_IOC_DESTROY_BOOKMARKS);
+	CHECK(ZFS_IOC_BASE + 70 == ZFS_IOC_RECV_NEW);
+	CHECK(ZFS_IOC_BASE + 71 == ZFS_IOC_POOL_SYNC);
+	CHECK(ZFS_IOC_BASE + 72 == ZFS_IOC_CHANNEL_PROGRAM);
+	CHECK(ZFS_IOC_BASE + 73 == ZFS_IOC_LOAD_KEY);
+	CHECK(ZFS_IOC_BASE + 74 == ZFS_IOC_UNLOAD_KEY);
+	CHECK(ZFS_IOC_BASE + 75 == ZFS_IOC_CHANGE_KEY);
+	CHECK(ZFS_IOC_BASE + 76 == ZFS_IOC_REMAP);
+	CHECK(ZFS_IOC_BASE + 77 == ZFS_IOC_POOL_CHECKPOINT);
+	CHECK(ZFS_IOC_BASE + 78 == ZFS_IOC_POOL_DISCARD_CHECKPOINT);
+	CHECK(ZFS_IOC_BASE + 79 == ZFS_IOC_POOL_INITIALIZE);
+	CHECK(ZFS_IOC_BASE + 80 == ZFS_IOC_POOL_TRIM);
+	CHECK(ZFS_IOC_BASE + 81 == ZFS_IOC_REDACT);
+	CHECK(ZFS_IOC_BASE + 82 == ZFS_IOC_GET_BOOKMARK_PROPS);
+	CHECK(LINUX_IOC_BASE + 1 == ZFS_IOC_EVENTS_NEXT);
+	CHECK(LINUX_IOC_BASE + 2 == ZFS_IOC_EVENTS_CLEAR);
+	CHECK(LINUX_IOC_BASE + 3 == ZFS_IOC_EVENTS_SEEK);
+
+#undef CHECK
+
+	return (result);
 }
 
 int