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@github-actions github-actions bot commented Sep 26, 2025

Backport of #120143 to release/10.0

/cc @jkotas @kevingosse

Customer Impact

  • Customer reported
  • Found internally

Missing lock in metadata emitter leads to intermittent crashes when Reflection.Emit is used on multiple threads.

Regression

  • Yes
  • No

[If yes, specify when the regression was introduced. Provide the PR or commit if known.]

Testing

Customer provided test that reproduces the failure reliably

Risk

Low. The same lock is taken on other similar path.

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@AaronRobinsonMSFT AaronRobinsonMSFT left a comment

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Thank you!

@JulieLeeMSFT JulieLeeMSFT added the Servicing-consider Issue for next servicing release review label Sep 26, 2025
@JulieLeeMSFT JulieLeeMSFT added this to the 10.0.0 milestone Sep 26, 2025
@rbhanda rbhanda added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels Oct 2, 2025
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agocke commented Oct 6, 2025

/ba-g All failures are known

@agocke agocke merged commit c605463 into release/10.0 Oct 6, 2025
102 of 109 checks passed
@jkotas jkotas deleted the backport/pr-120143-to-release/10.0 branch October 6, 2025 18:41
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6 participants