[ https://issues.apache.org/jira/browse/ARROW-8728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney updated ARROW-8728: -------------------------------- Fix Version/s: (was: 0.18.0) 1.0.0 > [C++] Bitmap operation may cause buffer overflow > ------------------------------------------------- > > Key: ARROW-8728 > URL: https://issues.apache.org/jira/browse/ARROW-8728 > Project: Apache Arrow > Issue Type: Bug > Components: C++ > Reporter: Yibo Cai > Assignee: Yibo Cai > Priority: Major > Labels: pull-request-available > Fix For: 1.0.0 > > Time Spent: 40m > Remaining Estimate: 0h > > Happen to find this issue when refining bitmap operation, [this > code|https://github.com/apache/arrow/blob/9b75a60658327c39383bee48fa6e5827faf2ced3/cpp/src/arrow/util/bit_util.cc#L267] > may overflow out buffer. Should be "(length + left_offset % 8)"; > Improve unit test to test large offset values can trigger the bug. -- This message was sent by Atlassian Jira (v8.3.4#803005)