fix(bpf): fix stack size limit exceeded

hengyoush · Jan 10, 2025 · a5af434 · a5af434
1 parent 14dd7bb
commit a5af434
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/bpf/pktlatency.bpf.c b/bpf/pktlatency.bpf.c
@@ -1339,15 +1339,17 @@ static __always_inline void process_syscall_data(void* ctx, struct data_args *ar
 		tcp_sk = get_socket_from_fd(args->fd);
 		if (tcp_sk) {
 			int zero = 0;
-			// struct conn_info_t *new_conn_info = bpf_map_lookup_elem(&conn_info_t_map, &zero);
-			struct conn_info_t _new_conn_info = {};
-			struct conn_info_t *new_conn_info = &_new_conn_info;
+			struct conn_info_t *new_conn_info = bpf_map_lookup_elem(&conn_info_t_map, &zero);
+			// struct conn_info_t _new_conn_info = {};
+			// struct conn_info_t *new_conn_info = &_new_conn_info;
 			if (new_conn_info) {
 				new_conn_info->protocol = kProtocolUnset;
 				bool created = create_conn_info_in_data_syscall(ctx, tcp_sk, tgid_fd, direct, bytes_count, new_conn_info);
 				if (created) {
 					conn_info = bpf_map_lookup_elem(&conn_info_map, &tgid_fd);
 				}
+			} else {
+				return;
 			}
 		}
 	}