go runtime_error ai_generated true

panic: 运行时错误：无效的内存地址或空指针解引用（在 goroutine 中）

panic: runtime error: invalid memory address or nil pointer dereference (in goroutine)

ID: go/nil-pointer-dereference-goroutine

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80%修复率

88%置信度

0证据数

2024-06-18首次发现

版本兼容性

版本	状态	引入	弃用	备注
1.0+	active	—	—	—

根因分析

某个 goroutine 尝试解引用空指针。通常发生在共享指针被另一个 goroutine 设置为 nil，或结构体字段在 goroutine 中使用前未初始化。

English

A goroutine attempted to dereference a nil pointer. This often occurs when a shared pointer is set to nil by another goroutine, or when a struct field is not initialized before being used in a goroutine.

generic

解决方案

95% 成功率

var mu sync.Mutex
mu.Lock()
if ptr != nil {
    // use ptr
}
mu.Unlock()

90% 成功率

go func(v MyStruct) {
    // use v
}(*ptr)

无效尝试

常见但无效的做法:

85% 失败
The pointer may become nil between the check and the dereference due to a race condition. Nil checks are not atomic with the dereference.
90% 失败
Recovering prevents the crash but leaves the program in an inconsistent state; the root cause remains.