From bcb6d7d3474b687718cbaee7bf203db4456fb6b3 Mon Sep 17 00:00:00 2001 From: Tobias Stoeckmann Date: Sat, 22 Aug 2020 13:18:10 +0200 Subject: [PATCH] Handle allocation failure in json_tokener_new_ex The allocation of printbuf_new might fail. Return NULL to indicate tis error to the caller. Otherwise later usage of the returned tokener would lead to null pointer dereference. --- json_tokener.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/json_tokener.c b/json_tokener.c index 6527270..aad463a 100644 --- a/json_tokener.c +++ b/json_tokener.c @@ -134,6 +134,12 @@ struct json_tokener *json_tokener_new_ex(int depth) return NULL; } tok->pb = printbuf_new(); + if (!tok->pb) + { + free(tok); + free(tok->stack); + return NULL; + } tok->max_depth = depth; json_tokener_reset(tok); return tok; -- 2.40.0