限制分离恢复状态写入大小

写盘前校验与读取一致的八兆字节上限超限时记录原因并拒绝不可恢复检查点
2026-09-12 02:17:55 +08:00
parent 478e08fb92
commit 12fbb61fad
1 changed files with 11 additions and 0 deletions
@@ -66,6 +66,17 @@ fn write_separation_state_blocking(path: &Path, state: &SeparationState) -> Resu
        app_log!("ui_separation.error stage=state_write reason=serialize error={error}");
        format!("序列化 separation state 失败：{error}")
    })?;
+    if bytes.len() > SEPARATION_STATE_MAX_BYTES {
+        app_log!(
+            "ui_separation.error stage=state_write reason=too_large bytes={} max_bytes={}",
+            bytes.len(),
+            SEPARATION_STATE_MAX_BYTES
+        );
+        return Err(format!(
+            "separation state 超过 {} 字节上限",
+            SEPARATION_STATE_MAX_BYTES
+        ));
+    }
    let parent = path.parent().ok_or_else(|| {
        app_log!("ui_separation.error stage=state_write reason=missing_parent");
        "separation state 路径缺少父目录".to_string()