go runtime_error ai_generated true

警告：数据竞争 Goroutine 7 写入地址 0x00c0000b4010 主 goroutine 先前读取地址 0x00c0000b4010

WARNING: DATA RACE Write at 0x00c0000b4010 by goroutine 7: main.main.func1() Previous read at 0x00c0000b4010 by main goroutine:

ID: go/race-detector-write-read

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80%修复率
90%置信度
0证据数
2024-01-30首次发现

版本兼容性

版本状态引入弃用备注
1.1+ active — — —

根因分析

共享变量被不同 goroutine 无同步地读写。Go 内存模型不提供顺序保证，因此会出现撕裂读取和过期值。

English

A shared variable is read and written by different goroutines without synchronization. Go's memory model gives no ordering guarantees, so torn reads and stale values occur.

generic

解决方案

  1. 97% 成功率 
    var mu sync.Mutex
var counter int
mu.Lock()
counter++
mu.Unlock()
  2. 96% 成功率 
    var counter atomic.Int64
counter.Add(1)
_ = counter.Load()

无效尝试

常见但无效的做法:

  1. 92% 失败

    Hides the symptom; the underlying race can corrupt memory or produce wrong results silently.

  2. 98% 失败

    Go has no volatile keyword; the compiler and CPU may still reorder accesses.