go
runtime_error
ai_generated
true
恐慌:同步:解锁未锁定的互斥锁
panic: sync: unlock of unlocked mutex
ID: go/mutex-unlock-before-lock
80%修复率
88%置信度
0证据数
2024-05-02首次发现
版本兼容性
| 版本 | 状态 | 引入 | 弃用 | 备注 |
|---|---|---|---|---|
| 1.0 | active | — | — | — |
| 1.22 | active | — | — | — |
根因分析
在互斥锁未锁定的情况下调用Unlock(),通常由于逻辑错误或重复解锁导致。
English
Calling Unlock() on a mutex that is not currently locked, often due to logic errors or double unlocking.
解决方案
-
95% 成功率
Always lock before unlocking. Use defer mutex.Unlock() immediately after locking to ensure proper pairing.
-
90% 成功率
Use sync.RWMutex and ensure Lock/Unlock are in the same goroutine scope to avoid mismatched calls.
无效尝试
常见但无效的做法:
-
100% 失败
The panic will crash the program; ignoring it is not possible.
-
80% 失败
Manual tracking is error-prone and can still race; it does not solve the root cause.
-
60% 失败
If the lock is not acquired, defer will still call Unlock and cause the same panic.