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 <[email protected]>
PettitWesley · Jul 20, 2021 · 70ddace · 70ddace
1 parent ad9b139
commit 70ddace
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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;
     }