Double free of filename after codegen error
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原文摘录
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The following program causes a double free of `irep->filename` after a codgen error is triggered. I've poked at it a bit and it doesn't seem exploitable because the second free happens near the end of the program and there don't appear to be any overflows or useful heap control available. However, …
原文中的代码
def b def c …
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