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https://issues.apache.org/jira/browse/YARN-11919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18051059#comment-18051059
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ASF GitHub Bot commented on YARN-11919:
---------------------------------------
edwardcapriolo opened a new pull request, #8177:
URL: https://github.com/apache/hadoop/pull/8177
### Description of PR
Linux container executor isn't portable to alpine linux due to code that
gets the passwd info for local users
https://github.com/edwardcapriolo/hadoop/pull/new/YARN-11919
### How was this patch tested?
Unit tests and direct calls to lce under specific conditions.
### For code changes:
- [ Y] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [na ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [na ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ na] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
### AI Tooling
AI was not used
> linux-container-executor segfault with get_user_info
> ----------------------------------------------------
>
> Key: YARN-11919
> URL: https://issues.apache.org/jira/browse/YARN-11919
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Edward Capriolo
> Priority: Major
>
> The code in container executor is slightly different then the recipe in the
> documentation. On alpine it repeatedly segfaults
> {code:java}
> rvn package -Pnative -Dmaven.skip.test=true -DskipTests -Dtar
> cp target/native/target/usr/local/bin/container-executor /usr/local/bin/
> chmod 6050 /usr/local/bin/container-executor
> chgrp hadoop /usr/local/bin/container-executor
> chmod 6050 /usr/local/bin/container-executor
> /usr/local/bin/container-executor nobody nobody 0
> application_1766935260716_0004 container_1766935260716_0004_02_000001
> /yarn-root/nm-local-dir/nmPriv
> {code}
> Result:
> {code:java}
> edgy
> main : command provided 0
> main : run as user is nobody
> main : requested yarn user is nobody
> main : validate_container_id
> main : huh
> validated command: INITIALIZE_CONTAINER
> init : set_user
> maybe free_user
> going to check user
> min id
> min id 1000
> Get user info
> passwd info
> got pwd
> Segmentation fault (core dumped)
> {code}
> The code is different slightly then the recipe here:
> [https://linux.die.net/man/3/getpwnam_r]
> When I replace the recipe the method works on alpine
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