Fix out of bounds access by checking length equality BEFORE accessing by index. #5784
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r? @phansch (rust_highfive has picked a reviewer for you, use r? to override) |
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Yeah, I agree that would be pretty difficult 😅 Since it only happened in rustc so far, let's just go ahead and @bors r+ |
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📌 Commit 1b3bc16 has been approved by |
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Fix out of bounds access by checking length equality BEFORE accessing by index. Fixes #5780 changelog: fix out of bounds access in unnested_or_patterns lint. Edit: I did not bother reducing a testcase from `librustc_typeck` crate but I can confirm that with the change the crash no longer occurs.
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💔 Test failed - checks-action_test |
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@bors rollup=always |
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@bors retry |
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Fix out of bounds access by checking length equality BEFORE accessing by index. Fixes rust-lang#5780 changelog: fix out of bounds access in unnested_or_patterns lint. Edit: I did not bother reducing a testcase from `librustc_typeck` crate but I can confirm that with the change the crash no longer occurs.
This was referenced Jul 13, 2020
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Rollup of 5 pull requests Successful merges: - #5443 (Some accuracy lints for floating point operations) - #5752 (Move range_minus_one to pedantic) - #5756 (unnecessary_sort_by: avoid linting if key borrows) - #5784 (Fix out of bounds access by checking length equality BEFORE accessing by index.) - #5786 (fix phrase in new_lint issue template) Failed merges: r? @ghost changelog: rollup
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Fixes #5780
changelog: fix out of bounds access in unnested_or_patterns lint.
Edit: I did not bother reducing a testcase from
librustc_typeckcrate but I can confirm that with the change the crash no longer occurs.