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From 493a7ce8cd9dea908d8573406b4391f4260d9714 Mon Sep 17 00:00:00 2001
From: Shangzhi-Xu <63028857+ShangzhiXu@users.noreply.github.com>
Date: Fri, 26 Dec 2025 23:07:16 +1100
Subject: [PATCH] Add JSON type validation for parsed JSON
---
src/console/dlt-control-common.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/console/dlt-control-common.c b/src/console/dlt-control-common.c
index 2aeea2800..9df8c4811 100644
--- a/src/console/dlt-control-common.c
+++ b/src/console/dlt-control-common.c
@@ -728,7 +728,10 @@ DltReturnValue dlt_json_filter_load(DltFilter *filter, const char *filename, int
}
j_parsed_json = json_tokener_parse_verbose(buffer, &jerr);
-
+ if (json_object_get_type(j_parsed_json) != json_type_object) {
+ pr_error("Invalid JSON type, expected object\n");
+ return DLT_RETURN_ERROR;
+ }
if (jerr != json_tokener_success) {
pr_error("Faild to parse given filter %s: %s\n", filename, json_tokener_error_desc(jerr));
return DLT_RETURN_ERROR;
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