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Posted to dev@avro.apache.org by "Martin Tzvetanov Grigorov (Jira)" <ji...@apache.org> on 2022/01/05 08:50:00 UTC
[jira] [Updated] (AVRO-2722) impl/DataFile.cc use of boost::mt19937 for DataFileWriteBase::makeSync is not thread safe
[ https://issues.apache.org/jira/browse/AVRO-2722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Martin Tzvetanov Grigorov updated AVRO-2722:
--------------------------------------------
Fix Version/s: 1.11.1
> impl/DataFile.cc use of boost::mt19937 for DataFileWriteBase::makeSync is not thread safe
> -----------------------------------------------------------------------------------------
>
> Key: AVRO-2722
> URL: https://issues.apache.org/jira/browse/AVRO-2722
> Project: Apache Avro
> Issue Type: Bug
> Components: c++
> Affects Versions: 1.9.1
> Environment: Issue can be reproduced in Linux with clang and on Android arm64 and armeabi with android NDK r19c.
> Reporter: Dan Schmitt
> Assignee: Martin Tzvetanov Grigorov
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.11.1
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> The single instance of random is not thread safe, and can seg fault.
> It can be fixed with a global std::mutex next to the global boost::mt19937 generator and a std::unique_lock in the method, or by creating the mersenne_twister_engine as a local variable in the function.
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