From 011a86e9c234f0f33cf6a6a23956260d8f23646a Mon Sep 17 00:00:00 2001
From: Takahiro Yamashita <nokute78@gmail.com>
Date: Thu, 11 May 2023 22:21:05 +0900
Subject: [PATCH] grep: release rule if flb_sds_create_size failed

Signed-off-by: Takahiro Yamashita <nokute78@gmail.com>
---
 src/flb_grep.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/flb_grep.c b/src/flb_grep.c
index 82a2e3a1f74..1faac3a4e88 100644
--- a/src/flb_grep.c
+++ b/src/flb_grep.c
@@ -154,6 +154,12 @@ int flb_grep_set_rule_str(struct flb_grep *grep_ctx, enum flb_grep_rule_type typ
     }
     else {
         rule->field = flb_sds_create_size(sentry->len + 2);
+        if (rule->field == NULL) {
+            flb_error("flb_sds_create_size failed");
+            delete_rule(rule);
+            flb_utils_split_free(split);
+            return -1;
+        }
         ret = flb_sds_cat_safe(&rule->field, "$", 1);
         if (ret != 0) {
             flb_error("flb_sds_cat_safe failed");