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Now, I am trying to figure out the differences or similarities between Scudo and other secure allocators, like 's malloc ( ) or 's malloc or Guarder (usenix.org/system/files/c)
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After reading the series of nice tweets from (twitter.com/ebeip90/status), I understood some things but still learning and still have to read the source code of the above mentioned secure allocators.
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Here, I am just trying to summarize the differences (compare to Scudo), please correct me, if I misunderstood:
1. Scudo can't reliably detect invalid free.
2. It lacks fine grained randomization.
Is there any differences if we try to compare all 3 above mentioned allocators?🤔
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I strongly suggest reading through github.com/GrapheneOS/har entirely before commenting on it. You're definitely misunderstanding the differences and I don't think you should be trying to state the differences between them without being familiar with the design / implementation.
Yeah sure. My apologies . First, I shall read the implementation part(source code). Thanks for the suggestion 🙂