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caikelun avatar caikelun commented on July 18, 2024

你的需求，我觉得增加hook strdup是不是就可以了？

libc(bionic)内部strdup调用malloc的情况，具体还是看strdup的反编译，也许各版本的实现存在差异，总之是没有保证的。也可能和编译优化选项也有关系，原理上strdup中调用点和malloc函数起始位置的偏移是固定的，因此也不一定要走PLT/GOT。

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UhlanZW avatar UhlanZW commented on July 18, 2024

谢谢。我只是举个例子，我可能需要勾取所有类似的strdup的会调用malloc,free的库函数，所以可能还是需要用Inlinehook完成勾取。

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