Fix coverity issues

[dongbeiouba]

471258 Unintentional integer overflow
471276, 471277, 471297, 471193 Unchecked return value 516455 Resource leak
471300,471167 Bad bit shift operation
497425, 497430 Overflowed constant
471249, 471299, 471250, 471328, 471335, 471259, 471239, 471161, 471182, 471163, 351691, 166006, 165987, 165981, 165973, 165970, 165968, 165967, 165966, 165950
Logically dead code
471319 Improper use of negative value
471286, 166008, 24956 Dereference after null check 471285 Structurally dead code
471272 Double unlock
471269 Unintentional integer overflow
471262 Array compared against 0
471235 Explicit null dereferenced
471226 Data race condition
471175 Argument cannot be negative

Checklist

• 在 https://yuque.com/tsdoc 增加或更新了必要的文档
• 增加或更新了必要的测试用例
• 对于重要修改，更新了CHANGES文件
• 当前修改存在对已有API参数或返回值的改变
• 当前修改存在对旧版本功能的兼容性改变（如网络协议或密码算法）