From 6e6cb845e96de2474456aceb8d6ffdf42b19942c Mon Sep 17 00:00:00 2001
From: DavidKorczynski <david@adalogics.com>
Date: Mon, 26 Apr 2021 19:04:17 +0100
Subject: [PATCH] parser: json: fix type confusion bug (#3417)

Signed-off-by: davkor <david@adalogics.com>
---
 src/flb_parser_json.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/flb_parser_json.c b/src/flb_parser_json.c
index f3a55b3d4fd..1afc39a6a28 100644
--- a/src/flb_parser_json.c
+++ b/src/flb_parser_json.c
@@ -168,6 +168,12 @@ int flb_parser_json_do(struct flb_parser *parser,
         return *out_size;
     }
 
+    /* Ensure we have an accurate type */
+    if (v->type != MSGPACK_OBJECT_STR) {
+        msgpack_unpacked_destroy(&result);
+        return *out_size;
+    }
+
     /* Lookup time */
     ret = flb_parser_time_lookup(v->via.str.ptr, v->via.str.size,
                                  0, parser, &tm, &tmfrac);