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Fix EValue construction from a smart pointer. #5357

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Fix EValue construction from a smart pointer. #5357

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shoumikhin
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Summary: The move constructor invoked by *this = expression tries to destroy() the this first, but it's not yet initialized.

Differential Revision: D62658327

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pytorch-bot bot commented Sep 13, 2024

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/5357

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@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Sep 13, 2024
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This pull request was exported from Phabricator. Differential Revision: D62658327

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This pull request was exported from Phabricator. Differential Revision: D62658327

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This pull request was exported from Phabricator. Differential Revision: D62658327

Summary:
Pull Request resolved: #5357

The move constructor invoked by `*this =` expression tries to `destroy()` the `this` first, but it's not yet initialized.

For example, if the tag is randomly `Tag::ListTensor`, `destroy()` will try to iterate over and destroy a list of tensors. But since the memory is uninitialized, it will typically crash or corrupt memory.

Reviewed By: dbort

Differential Revision: D62658327
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This pull request was exported from Phabricator. Differential Revision: D62658327

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This pull request has been merged in 0aa75e6.

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