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Summary

This PR updates DefaultX509Source to publish the X.509 SVID and bundle set as a single immutable snapshot. This avoids transient inconsistent reads during Workload API updates while preserving existing behavior and avoiding additional locking on the read path.

The previous implementation synchronized only the update path while allowing unsynchronized reads, which could observe mismatched (SVID, bundle set) pairs. Publishing a snapshot via a volatile reference ensures atomic, consistent visibility across threads.

Signed-off-by: Max Lambrecht <maxlambrecht@gmail.com>
@maxlambrecht maxlambrecht merged commit 8bf98fb into spiffe:main Jan 22, 2026
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2 participants