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DAOS-19298 cart: fix test fini sequence (#18650) - #18908

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DAOS-19298 cart: fix test fini sequence (#18650)#18908
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  • In number of cart clients, the group was destroyed before all the client threads joined. If during testing any RPC timed out, then the client could try to access already-destroyed group in the delayed completion callback handler, leading to a segfault.

Steps for the author:

  • Commit message follows the guidelines.
  • Appropriate Features or Test-tag pragmas were used.
  • Appropriate Functional Test Stages were run.
  • At least two positive code reviews including at least one code owner from each category referenced in the PR.
  • Testing is complete. If necessary, forced-landing label added and a reason added in a comment.

After all prior steps are complete:

  • Gatekeeper requested (daos-gatekeeper added as a reviewer).

- In number of cart clients, the group was destroyed before all
the client threads joined. If during testing any RPC timed out, then
the client could try to access already-destroyed group in the
delayed completion callback handler, leading to a segfault.

Signed-off-by: Alexander A Oganezov <alexander.oganezov@hpe.com>
@frostedcmos
frostedcmos requested review from a team as code owners August 20, 2026 18:32
@frostedcmos frostedcmos added the clean-cherry-pick Cherry-pick from another branch that did not require additional edits label Aug 20, 2026
@daltonbohning daltonbohning added approved-to-merge PR has received release branch merge approval release-2.8.1 Targeted for release 2.8.1 labels Aug 20, 2026
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Ticket title is 'cart/rpc_two_node.py segfault'
Status is 'Awaiting backport'
Job should run at elevated priority (1)
https://daosio.atlassian.net/browse/DAOS-19298

@github-actions github-actions Bot added the priority Ticket has high priority (automatically managed) label Aug 20, 2026
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approved-to-merge PR has received release branch merge approval clean-cherry-pick Cherry-pick from another branch that did not require additional edits priority Ticket has high priority (automatically managed) release-2.8.1 Targeted for release 2.8.1

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