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#[naked]: use an allowlist for allowed options on asm! in naked functions #128138

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merged 2 commits into from
Jul 25, 2024

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tracking issue: #90957

this is mostly just a refactor, but using an allowlist (rather than a denylist) for which asm options are allowed in naked functions is a little safer.

These options are disallowed because naked functions are effectively global asm, but defined using inline asm.

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rustbot commented Jul 24, 2024

r? @lcnr

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jul 24, 2024
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lcnr commented Jul 25, 2024

@bors r+ rollup

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bors commented Jul 25, 2024

📌 Commit 4b7a87d has been approved by lcnr

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 Jul 25, 2024
bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 25, 2024
…iaskrgr

Rollup of 7 pull requests

Successful merges:

 - rust-lang#121364 (Implement lint against ambiguous negative literals)
 - rust-lang#127300 (Fix connect timeout for non-linux targets, read readiness of socket connection, Read readiness to detect errors. `Fixes rust-lang#127018`)
 - rust-lang#128138 (`#[naked]`: use an allowlist for allowed options on `asm!` in naked functions)
 - rust-lang#128158 (std: unsafe-wrap personality::gcc)
 - rust-lang#128171 (Make sure that args are compatible in `resolve_associated_item`)
 - rust-lang#128172 (Don't ICE if HIR and middle types disagree in borrowck error reporting)
 - rust-lang#128173 (Remove crashes for misuses of intrinsics)

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`@rustbot` modify labels: rollup
@bors bors merged commit e76bb3f into rust-lang:master Jul 25, 2024
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@rustbot rustbot added this to the 1.82.0 milestone Jul 25, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Jul 25, 2024
Rollup merge of rust-lang#128138 - folkertdev:asm-option-allowlist, r=lcnr

`#[naked]`: use an allowlist for allowed options on `asm!` in naked functions

tracking issue: rust-lang#90957

this is mostly just a refactor, but using an allowlist (rather than a denylist) for which asm options are allowed in naked functions is a little safer.

These options are disallowed because naked functions are effectively global asm, but defined using inline asm.
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4 participants