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mm walk问题 #46

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xqh199203 opened this issue Mar 8, 2024 · 1 comment
Open

mm walk问题 #46

xqh199203 opened this issue Mar 8, 2024 · 1 comment

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@xqh199203
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我用工具查证堆外内存毛刺，对比两次mm map的结果发现了两块毛刺结束后消失的较大内存块，但是想要用mm walk进一步分析内存里的内容和引用时结果却出现了问题
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used和freed的内存都是0，内存块的长度也不太对
@zhaolei0505
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mm walk 被设计来遍历 ptmalloc 的 c++ heap 数据段, 一般位于 load 4. 这个区段有可能不是 ptmalloc 的数据, 所以无法解析遍历.

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@zhaolei0505 @xqh199203