kernel: support query working mode

2024-03-19 11:41:05 +08:00
parent 99847cb986
commit ce0c397a65
1 changed files with 8 additions and 0 deletions
--- a/kernel/core_hook.c
+++ b/kernel/core_hook.c
@@ -324,6 +324,14 @@ int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,
 			if (copy_to_user(arg3, &version, sizeof(version))) {
 				pr_err("prctl reply error, cmd: %lu\n", arg2);
 			}
+#ifdef MODULE
+			u32 is_lkm = 0x1;
+#else
+			u32 is_lkm = 0x0;
+#endif
+			if (arg4 && copy_to_user(arg4, &is_lkm, sizeof(is_lkm))) {
+				pr_err("prctl reply error, cmd: %lu\n", arg2);
+			}
 		}
 		return 0;
 	}