handle: validate items in kdbus_items_validate() in KDBUS_CMD_CONN_INFO

Try to validate the KDBUS_ITEM_NAME before going further

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/handle.c b/handle.c
index 12f132f8341..dabafad7b26 100644
--- a/handle.c
+++ b/handle.c
@@ -861,6 +861,11 @@ static long kdbus_handle_ioctl_ep_connected(struct file *file, unsigned int cmd,
 		if (ret < 0)
 			break;
 
+		ret = kdbus_items_validate(cmd_info->items,
+					   KDBUS_ITEMS_SIZE(cmd_info, items));
+		if (ret < 0)
+			break;
+
 		if (cmd == KDBUS_CMD_CONN_INFO)
 			ret = kdbus_cmd_info(conn, cmd_info);
 		else