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esp32c3 crash分析
2022-07-02 18:51:00 【wwwlyj123321】
Instruction access fault, Load access fault, Store access fault
当应用程序尝试读取或写入无效的内存位置时,会发生此类 CPU 异常。此类无效内存地址可以在寄存器转储的 MTVAL
中找到。如果该地址为零,通常意味着应用程序正尝试解引用一个 NULL 指针。如果该地址接近于零,则通常意味着应用程序尝试访问某个结构体的成员,但是该结构体的指针为 NULL。如果该地址是其它非法值(不在 0x3fxxxxxx
- 0x6xxxxxxx
的范围内),则可能意味着用于访问数据的指针未初始化或者已经损坏。
ref:
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