.

wcfs/internal/wcfs_watchlink.h

@@ -50,12 +50,12 @@ struct rxPkt {
     //     non-trivial copy. Note: we anyway need to limit rx line length to
     //     avoid DoS, but just for DoS the limit would be higher.
     uint16_t datalen;
-    char     data[128 - sizeof(StreamID) - sizeof(uint16_t)];
+    char     data[256 - sizeof(StreamID) - sizeof(uint16_t)];
 
     error  from_string(const string& rx);
     string to_string() const;
 };
-static_assert(sizeof(rxPkt) == 128);
+static_assert(sizeof(rxPkt) == 256);    // NOTE 128 is too low for long error message
 
 
 // WatchLink represents /head/watch link opened on wcfs.