go runtime_error ai_generated true

致命错误：sync：解锁未锁定的互斥锁

fatal error: sync: unlock of unlocked mutex

ID: go/mutex-not-unlocked

其他格式: JSON · Markdown 中文 · English
80%修复率
85%置信度
0证据数
2024-06-01首次发现

版本兼容性

版本状态引入弃用备注
1.0 active — — —
1.21 active — — —

根因分析

尝试解锁一个未锁定的互斥锁，通常是由于重复解锁或在错误的 goroutine 中解锁。

English

Attempting to unlock a mutex that is not locked, often due to double unlock or unlocking in wrong goroutine.

generic

解决方案

  1. 95% 成功率 Always use defer to unlock immediately after lock 
    mu.Lock()
defer mu.Unlock()
// critical section
  2. 90% 成功率 Ensure unlock is called exactly once per lock 
    Use paired Lock/Unlock in same function; avoid manual unlock in error paths without defer.

无效尝试

常见但无效的做法:

  1. Adding a flag to check if mutex is locked 85% 失败

    Mutex does not expose lock state; race conditions on the flag.

  2. Using recover() to ignore the panic 70% 失败

    Recovering does not fix the logic error; may cause data corruption.