Move checksum calculation ahead of memory copy #6844
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levichen94
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Jun 18, 2021
Summary: Originally, the checksum of appended data in writable file writer is calculated after the data is copied to the buffer. It will not be able to catch the bit flip happens during copy. Move the checksum calculation before it. Pull Request resolved: facebook/rocksdb#6844 Test Plan: pass make asan_check Reviewed By: cheng-chang Differential Revision: D21576726 Pulled By: zhichao-cao fbshipit-source-id: 0a062a1f19886f6ea0d4e3f557e6f4b799773254 Signed-off-by: Changlong Chen <levisonchen@live.cn>
mm304321141
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Jun 23, 2021
Summary: Originally, the checksum of appended data in writable file writer is calculated after the data is copied to the buffer. It will not be able to catch the bit flip happens during copy. Move the checksum calculation before it. Pull Request resolved: facebook/rocksdb#6844 Test Plan: pass make asan_check Reviewed By: cheng-chang Differential Revision: D21576726 Pulled By: zhichao-cao fbshipit-source-id: 0a062a1f19886f6ea0d4e3f557e6f4b799773254 Signed-off-by: Changlong Chen <levisonchen@live.cn>
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Originally, the checksum of appended data in writable file writer is calculated after the data is copied to the buffer. It will not be able to catch the bit flip happens during copy. Move the checksum calculation before it.
Test plan: pass make asan_check