sdexec: don't return ENODATA without start/finish

flux-framework / flux-core

core services for the Flux resource management framework

GNU Lesser General Public License v3.0

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sdexec: don't return ENODATA without start/finish #6033

Closed garlick closed 3 weeks ago

garlick commented 3 weeks ago

Problem: in an OOM situation, sdexec was observed to return ENODATA to an exec request without having sent started or finished responses, which violates RFC 42.

Fail with EINVAL and a detailed error response message if this happens.

Fixes #6012.

garlick commented 3 weeks ago

Thanks I'll set MWP.