From 70ddace8820aa537963f8c2d1d0f2cd53e6fd9ba Mon Sep 17 00:00:00 2001
From: David Korczynski <david@adalogics.com>
Date: Tue, 20 Jul 2021 17:29:27 +0100
Subject: [PATCH] pack_gelf: ensure proper cleanup in case of failure.

Memory leaks can happen if msgpack_unpack_next fails.
Bug tracker: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35460

Signed-off-by: David Korczynski <david@adalogics.com>
---
 src/flb_pack_gelf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/flb_pack_gelf.c b/src/flb_pack_gelf.c
index 883e489b7c4..241f2c24320 100644
--- a/src/flb_pack_gelf.c
+++ b/src/flb_pack_gelf.c
@@ -801,6 +801,7 @@ flb_sds_t flb_msgpack_raw_to_gelf(char *buf, size_t buf_size,
     msgpack_unpacked_init(&result);
     ret = msgpack_unpack_next(&result, buf, buf_size, &off);
     if (ret != MSGPACK_UNPACK_SUCCESS) {
+        msgpack_unpacked_destroy(&result);
         return NULL;
     }