From 2d79b55159ef0effd7fcedcf4d8e30d93d58f93d Mon Sep 17 00:00:00 2001
From: Jon Shallow <supjps-libcoap@jpshallow.com>
Date: Tue, 28 Jan 2025 15:45:59 +0000
Subject: [PATCH] CIFuzz: Make sure libcoap is running when calling
 coap_delete_pdu()

---
 tests/oss-fuzz/pdu_parse_tcp_target.c | 6 +++++-
 tests/oss-fuzz/pdu_parse_udp_target.c | 6 +++++-
 tests/oss-fuzz/pdu_parse_ws_target.c  | 6 +++++-
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/tests/oss-fuzz/pdu_parse_tcp_target.c b/tests/oss-fuzz/pdu_parse_tcp_target.c
index 50f723ef7e..d9c2154fb5 100644
--- a/tests/oss-fuzz/pdu_parse_tcp_target.c
+++ b/tests/oss-fuzz/pdu_parse_tcp_target.c
@@ -5,7 +5,10 @@ size_t coap_pdu_encode_header(coap_pdu_t *, coap_proto_t);
 
 int
 LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
-  coap_pdu_t *pdu = coap_pdu_init(0, 0, 0, size);
+  coap_pdu_t *pdu;
+
+  coap_startup();
+  pdu = coap_pdu_init(0, 0, 0, size);
   if (pdu) {
     coap_set_log_level(COAP_LOG_ERR);
     if (coap_pdu_parse(COAP_PROTO_TCP, data, size, pdu)) {
@@ -19,5 +22,6 @@ LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     }
     coap_delete_pdu(pdu);
   }
+  coap_cleanup();
   return 0;
 }
diff --git a/tests/oss-fuzz/pdu_parse_udp_target.c b/tests/oss-fuzz/pdu_parse_udp_target.c
index 956fdd9f25..baa1f43ce8 100644
--- a/tests/oss-fuzz/pdu_parse_udp_target.c
+++ b/tests/oss-fuzz/pdu_parse_udp_target.c
@@ -5,7 +5,10 @@ size_t coap_pdu_encode_header(coap_pdu_t *, coap_proto_t);
 
 int
 LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
-  coap_pdu_t *pdu = coap_pdu_init(0, 0, 0, size);
+  coap_pdu_t *pdu;
+
+  coap_startup();
+  pdu = coap_pdu_init(0, 0, 0, size);
   if (pdu) {
     coap_set_log_level(COAP_LOG_ERR);
     if (coap_pdu_parse(COAP_PROTO_UDP, data, size, pdu)) {
@@ -19,5 +22,6 @@ LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     }
     coap_delete_pdu(pdu);
   }
+  coap_cleanup();
   return 0;
 }
diff --git a/tests/oss-fuzz/pdu_parse_ws_target.c b/tests/oss-fuzz/pdu_parse_ws_target.c
index c0232f9104..f2939b124d 100644
--- a/tests/oss-fuzz/pdu_parse_ws_target.c
+++ b/tests/oss-fuzz/pdu_parse_ws_target.c
@@ -5,7 +5,10 @@ size_t coap_pdu_encode_header(coap_pdu_t *, coap_proto_t);
 
 int
 LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
-  coap_pdu_t *pdu = coap_pdu_init(0, 0, 0, size);
+  coap_pdu_t *pdu;
+
+  coap_startup();
+  pdu = coap_pdu_init(0, 0, 0, size);
   if (pdu) {
     coap_set_log_level(COAP_LOG_ERR);
     if (coap_pdu_parse(COAP_PROTO_WS, data, size, pdu)) {
@@ -19,5 +22,6 @@ LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     }
     coap_delete_pdu(pdu);
   }
+  coap_cleanup();
   return 0;
 }