ebpf: fix UDP bypass in xdp_filter

diff --git a/ebpf/xdp_filter.c b/ebpf/xdp_filter.c
index a10ff24957b0c8b324e9f2fce659f2da3a8a41d4..8ffa412762fff8bb669473408b386c19ef005fff 100644 (file)
--- a/ebpf/xdp_filter.c
+++ b/ebpf/xdp_filter.c
@@ -181,7 +181,7 @@ static __always_inline int get_sport(void *trans_data, void *data_end,
             uh = (struct udphdr *)trans_data;
             if ((void *)(uh + 1) > data_end)
                 return -1;
-            return uh->dest;
+            return uh->source;
         default:
             return 0;
     }