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tftp 读取文件文件名为特定长度 会导致程序崩溃 #91

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xkf321 opened this issue Nov 29, 2022 · 2 comments
Open

tftp 读取文件文件名为特定长度 会导致程序崩溃 #91

xkf321 opened this issue Nov 29, 2022 · 2 comments

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@xkf321
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xkf321 commented Nov 29, 2022

如果读取slin.log.0, erpc.log.0 程序会崩溃 ,读取文件名为module.log.0 程序正常

调试后发现内存分配长度没有考虑\0, 由于malloc分配以字节对齐方式分配，当文件名不是对齐字节长度的整数倍，malloc会多分配一些字节以保证内存对齐，某些文件名长度正好是整数倍时，出现内存越界，导致程序崩溃

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@xkf321
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xkf321 commented Nov 29, 2022

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@armink
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armink commented Nov 29, 2022

欢迎提交 PR 哈

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