diff --git a/agent/src/config/config.rs b/agent/src/config/config.rs
index dcec6e675fc..10f11cba2b4 100644
--- a/agent/src/config/config.rs
+++ b/agent/src/config/config.rs
@@ -5276,7 +5276,7 @@ header_fields_flag: "invalid"
     }
 
     #[test]
-    fn parse_process_matcher() {
+    fn parse_proc_config() {
         let yaml = r#"
 process_matcher:
 - match_regex: python[2|3].* (.*)\.py
@@ -5288,7 +5288,15 @@ process_matcher:
   ignore: false
   enabled_features: [ebpf.socket.uprobe.golang, ebpf.profile.on_cpu]
 "#;
-
         let _proc: Proc = serde_yaml::from_str(yaml).unwrap();
+
+        let default_matcher_yaml = r#"
+enabled: true
+"#;
+        let proc: Proc = serde_yaml::from_str(default_matcher_yaml).unwrap();
+        assert_eq!(
+            proc.process_matcher.get(0),
+            Some(&ProcessMatcher::default())
+        );
     }
 }
diff --git a/agent/src/ebpf/user/profile/stringifier.c b/agent/src/ebpf/user/profile/stringifier.c
index 0be64ca385d..88d5e28dd6a 100644
--- a/agent/src/ebpf/user/profile/stringifier.c
+++ b/agent/src/ebpf/user/profile/stringifier.c
@@ -757,7 +757,7 @@ char *resolve_and_gen_stack_trace_str(struct bpf_tracer *t,
 		len += strlen(uprobe_str) + 1;
 	}
 
-	if (v->intpstack >= 0) {
+	if (v->intpstack != 0) {
 		i_trace_str = folded_stack_trace_string(t, v->intpstack, v->tgid, custom_stack_map_name, h, new_cache, info_p, v->timestamp, ignore_libs, true);
 		if (i_trace_str != NULL) {
 			len += strlen(i_trace_str) + strlen(INCOMPLETE_PYTHON_STACK) + 2;
diff --git a/agent/src/ebpf/user/table.c b/agent/src/ebpf/user/table.c
index 5296a8bd635..0f9ac37a81f 100644
--- a/agent/src/ebpf/user/table.c
+++ b/agent/src/ebpf/user/table.c
@@ -143,7 +143,7 @@ void insert_prog_to_map(struct bpf_tracer *tracer, const char *map_name,
 		  map_name, key, prog_name);
 }
 
-int bpf_table_fd(struct bpf_tracer *tracer, const char *tb_name)
+int bpf_table_get_fd(struct bpf_tracer *tracer, const char *tb_name)
 {
 	struct ebpf_map *map = ebpf_obj__get_map_by_name(tracer->obj, tb_name);
 	if (map == NULL) {
diff --git a/agent/src/ebpf/user/table.h b/agent/src/ebpf/user/table.h
index 16bb66ead3d..07e95c10879 100644
--- a/agent/src/ebpf/user/table.h
+++ b/agent/src/ebpf/user/table.h
@@ -35,5 +35,5 @@ bool bpf_table_delete_key(struct bpf_tracer * tracer,
 void insert_prog_to_map(struct bpf_tracer *tracer, const char *map_name,
 					const char *prog_name, int key);
 
-int bpf_table_fd(struct bpf_tracer *tracer, const char *tb_name);
+int bpf_table_get_fd(struct bpf_tracer *tracer, const char *tb_name);
 #endif /* DF_BPF_TABLE_H */
diff --git a/agent/src/ebpf/user/unwind_tracer.c b/agent/src/ebpf/user/unwind_tracer.c
index 214d9afd053..6b3a14c029a 100644
--- a/agent/src/ebpf/user/unwind_tracer.c
+++ b/agent/src/ebpf/user/unwind_tracer.c
@@ -202,8 +202,8 @@ int unwind_tracer_init(struct bpf_tracer *tracer) {
         ebpf_warning("unwinder may not handle in kernel perf events correctly");
     }
 
-    int process_map_fd = bpf_table_fd(tracer, MAP_PROCESS_SHARD_LIST_NAME);
-    int shard_map_fd = bpf_table_fd(tracer, MAP_UNWIND_ENTRY_SHARD_NAME);
+    int process_map_fd = bpf_table_get_fd(tracer, MAP_PROCESS_SHARD_LIST_NAME);
+    int shard_map_fd = bpf_table_get_fd(tracer, MAP_UNWIND_ENTRY_SHARD_NAME);
     if (process_map_fd < 0) {
         ebpf_warning("create unwind table failed: map %s not found", MAP_PROCESS_SHARD_LIST_NAME);
         return -1;
@@ -218,8 +218,8 @@ int unwind_tracer_init(struct bpf_tracer *tracer) {
     g_unwind_table = table;
     pthread_mutex_unlock(&g_unwind_table_lock);
 
-    int unwind_info_map_fd = bpf_table_fd(tracer, MAP_PYTHON_UNWIND_INFO_NAME);
-    int offsets_map_fd = bpf_table_fd(tracer, MAP_PYTHON_OFFSETS_NAME);
+    int unwind_info_map_fd = bpf_table_get_fd(tracer, MAP_PYTHON_UNWIND_INFO_NAME);
+    int offsets_map_fd = bpf_table_get_fd(tracer, MAP_PYTHON_OFFSETS_NAME);
     if (unwind_info_map_fd < 0 || offsets_map_fd < 0) {
         ebpf_warning("Failed to get unwind info map fd or offsets map fd\n");
         return -1;