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Panic on overflow in BorrowedCursor::advance #123806

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merged 1 commit into from Apr 11, 2024

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joboet
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@joboet joboet commented Apr 11, 2024

Passing usize::MAX to advance clearly isn't correct, but the current assertion fails to detect this when overflow checks are disabled. This isn't unsound, but should probably be fixed regardless.

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rustbot commented Apr 11, 2024

r? @Amanieu

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@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 Apr 11, 2024
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Amanieu commented Apr 11, 2024

@bors r+

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bors commented Apr 11, 2024

📌 Commit 91fe6f9 has been approved by Amanieu

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Apr 11, 2024
bors added a commit to rust-lang-ci/rust that referenced this pull request Apr 11, 2024
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#122882 (Avoid a panic in `set_output_capture` in the default panic handler)
 - rust-lang#123523 (Account for trait/impl difference when suggesting changing argument from ref to mut ref)
 - rust-lang#123744 (Silence `unused_imports` for redundant imports)
 - rust-lang#123784 (Replace `document.write` with `document.head.insertAdjacent`)
 - rust-lang#123798 (Avoid invalid socket address in length calculation)
 - rust-lang#123804 (Stop using `HirId` for fn-like parents since closures are not `OwnerNode`s)
 - rust-lang#123806 (Panic on overflow in `BorrowedCursor::advance`)
 - rust-lang#123820 (Add my former address to .mailmap)

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`@rustbot` modify labels: rollup
@bors bors merged commit d8ae975 into rust-lang:master Apr 11, 2024
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@rustbot rustbot added this to the 1.79.0 milestone Apr 11, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Apr 12, 2024
Rollup merge of rust-lang#123806 - joboet:advanced_overflow, r=Amanieu

Panic on overflow in `BorrowedCursor::advance`

Passing `usize::MAX` to `advance` clearly isn't correct, but the current assertion fails to detect this when overflow checks are disabled. This isn't unsound, but should probably be fixed regardless.
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4 participants