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std: don't leak the thread closure if destroying the thread attributes fails #148026

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std: don't leak the thread closure if destroying the thread attributes fails #148026

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@joboet joboet commented Oct 23, 2025

The comment about double-free is wrong – we can safely drop both the thread attributes and the thread closure. Here, I've used DropGuard for the attributes and moved the Box::into_raw to just before the pthread_create.

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Oct 23, 2025
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rustbot commented Oct 23, 2025

r? @Mark-Simulacrum

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