go runtime_error ai_generated true

致命错误：同步：对未锁定的互斥锁解锁

fatal error: sync: Unlock of unlocked mutex

ID: go/goroutine-mutex-not-unlocked

其他格式: JSON · Markdown 中文 · English
80%修复率
86%置信度
0证据数
2024-07-22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

对未被同一协程锁定的互斥锁调用Unlock，通常由于缺少Lock或重复Unlock。

English

Calling Unlock on a mutex that wasn't locked by the same goroutine, often due to missing Lock or double Unlock.

generic

解决方案

  1. 99% 成功率 Use defer to ensure Unlock is called exactly once after Lock 
    mu.Lock()
defer mu.Unlock()
// critical section
  2. 90% 成功率 Use sync.Mutex with proper pairing in all code paths 
    mu.Lock()
if condition {
    mu.Unlock()
    return
}
mu.Unlock()

无效尝试

常见但无效的做法:

  1. Using recover() to catch panic 100% 失败

    Panic is fatal and cannot be recovered in Go runtime; program crashes.

  2. Adding more Unlock calls to match Lock 90% 失败

    Double unlock causes panic; correct pairing is required.