Avoid kimi linear stream sync (sgl-project#16186)

Signed-off-by: vincentzed <207368749+vincentzed@users.noreply.github.com>

Author: vincentzed

python/sglang/srt/layers/attention/hybrid_linear_attn_backend.py

@@ -535,7 +535,7 @@ def _replay_metadata(
                 self.query_start_loc_list[bs - 1][: bs - num_padding].copy_(
                     self.cached_cuda_graph_decode_query_start_loc[: bs - num_padding]
                 )
-                self.query_start_loc_list[bs - 1][bs - num_padding :].copy_(
+                self.query_start_loc_list[bs - 1][bs - num_padding :].fill_(
                     bs - num_padding
                 )
         elif forward_mode.is_target_verify():
@@ -547,7 +547,7 @@ def _replay_metadata(
                 self.query_start_loc_list[bs - 1][: bs - num_padding].copy_(
                     self.cached_cuda_graph_verify_query_start_loc[: bs - num_padding]
                 )
-                self.query_start_loc_list[bs - 1][bs - num_padding :].copy_(
+                self.query_start_loc_list[bs - 1][bs - num_padding :].fill_(
                     (bs - num_padding) * spec_info.draft_token_num
                 )
         else: