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[scudo][standalone] Introduce the chunk header

Description

[scudo][standalone] Introduce the chunk header

Summary:
... and its related functions.

The structure and its functionalities are identical to existing ones.
The header stores information on a scudo::Chunk to be able to detect
inconsitencies or potential corruption attempts. It is checksummed for
that purpose.

Reviewers: morehouse, eugenis, vitalybuka, hctim

Reviewed By: vitalybuka

Subscribers: mgorny, delcypher, jfb, #sanitizers, llvm-commits

Tags: #llvm, #sanitizers

Differential Revision: https://reviews.llvm.org/D61654

Details

Committed
cryptoadMay 8 2019, 2:54 PM
Reviewer
vitalybuka
Differential Revision
D61654: [scudo][standalone] Introduce the chunk header
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