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Fix Rust builds when sanitizers are enabled #21
Description
We should fix Rust builds when sanitizers are enabled
- asan - Works as-is
- tsan - example failure: https://github.com/Rust-for-CPython/cpython/actions/runs/22603598706/job/65491451673
- ubsan - not supported by Rust, so we should do a normal Rust build when ubsan is enabled
There's an additional open question about whether Rust's sanitzer support works with gcc's (I expect not?), but it'd be good to follow up on that.
Activity
FFY00 commentedon Jan 5, 2026
As mentioned on the PR, the address sanitizer should be okay. We have the same issue with C++ in external dependencies already as described in the Rust docs you linked. Have you encountered any specific issues when running with the address sanitizer?
[-]Run sanitizers with Rust code[/-][+]Build Rust when sanitizers are enabled[/+][-]Build Rust when sanitizers are enabled[/-][+]Fix Rust builds when sanitizers are enabled[/+]emmatyping commentedon Mar 3, 2026
@FFY00
Yup, seems like it is working now!
Yeah, probably just something we'll need to toggle in the Rust builds.
emmatyping commentedon Apr 8, 2026
Fixed in #29
Eventually we will want to modify the build to run with identical LLVM versions for Rust and clang, but that can wait.
Run rustfmt (Rust-for-CPython#21)
Run rustfmt (Rust-for-CPython#21)