rocksdb/db_stress_tool
Zhichao Cao 2adb7e3768 Fix potential overflow of unsigned type in for loop (#6902)
Summary:
x.size() -1 or y - 1 can overflow to an extremely large value when x.size() pr y is 0 when they are unsigned type. The end condition of i in the for loop will be extremely large, potentially causes segment fault. Fix them.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6902

Test Plan: pass make asan_check

Reviewed By: ajkr

Differential Revision: D21843767

Pulled By: zhichao-cao

fbshipit-source-id: 5b8b88155ac5a93d86246d832e89905a783bb5a1
2020-06-02 15:05:07 -07:00
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