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Fix leaking fiber stacks on OOM#13635

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alexcrichton wants to merge 1 commit into
bytecodealliance:mainfrom
alexcrichton:fix-fibers
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Fix leaking fiber stacks on OOM#13635
alexcrichton wants to merge 1 commit into
bytecodealliance:mainfrom
alexcrichton:fix-fibers

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This commit fixes an issue where a fiber stack could be allocated, but then allocating a fiber itself could fail, which would leak the fiber stack within the pooling allocator.

This commit fixes an issue where a fiber stack could be allocated, but
then allocating a fiber itself could fail, which would leak the fiber
stack within the pooling allocator.
@alexcrichton alexcrichton requested review from a team as code owners June 13, 2026 19:27
@alexcrichton alexcrichton requested review from fitzgen and removed request for a team June 13, 2026 19:27
@github-actions github-actions Bot added fuzzing Issues related to our fuzzing infrastructure wasmtime:api Related to the API of the `wasmtime` crate itself labels Jun 13, 2026
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cc @fitzgen

Details This issue or pull request has been labeled: "fuzzing", "wasmtime:api"

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fuzzing Issues related to our fuzzing infrastructure wasmtime:api Related to the API of the `wasmtime` crate itself

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