Don't set security descriptor if the mutex is not owned/new#120075
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ericstj merged 1 commit intodotnet:mainfrom Sep 25, 2025
Merged
Don't set security descriptor if the mutex is not owned/new#120075ericstj merged 1 commit intodotnet:mainfrom
ericstj merged 1 commit intodotnet:mainfrom
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Pull Request Overview
This PR fixes a mutex access control issue by only setting security permissions when the mutex is newly created. The change prevents unnecessary access control modifications on existing mutexes.
- Only sets mutex access control when
createdNewis true - Adds conditional check around the existing security configuration code
- Maintains the same security model but applies it more selectively
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As discussed - you've done manual testing involving multiple users to ensure this is fixed. I imagine we cannot cover this easily in CI.
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/backport to release/10.0 |
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Started backporting to release/10.0: https://github.com/dotnet/runtime/actions/runs/18021213909 |
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Fixes #116014.
Fixes #110454.