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Support num_cpus on FreeBSD

A-freebsdArea: affects our FreeBSD target supportArea: affects our FreeBSD target support

A-shimsArea: This affects the external function shimsArea: This affects the external function shims

C-enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancement

E-good-first-issueA good way to start contributing, mentoring is availableA good way to start contributing, mentoring is available

Status: Open.

#4265 In rust-lang/miri;

· RalfJung opened on Apr 10, 2025

PlaceMention-style UB not detected when in closure

A-interpreterArea: affects the core interpreterArea: affects the core interpreter

C-bugCategory: This is a bug.Category: This is a bug.

I-misses-UBImpact: makes Miri miss UB, i.e., a false negative (with default settings)Impact: makes Miri miss UB, i.e., a false negative (with default settings)

Status: Open.

#4258 In rust-lang/miri;

· meithecatte opened on Apr 9, 2025

add <code>access</code> FFI shim function for unix/posix

A-linuxArea: affects only Linux targetsArea: affects only Linux targets

A-shimsArea: This affects the external function shimsArea: This affects the external function shims

C-enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancement

Status: Open.

#4256 In rust-lang/miri;

· programmerjake opened on Apr 8, 2025

Repeatedly creating and freeing a large allocation can fail on a 32bit system if not enough address reuse occurs

Status: Open.

#4253 In rust-lang/miri;

· RalfJung opened on Apr 7, 2025

Inconsistent behavior in irrefutable or-patterns due to UB-removing MIR opt

Status: Open.

#4237 In rust-lang/miri;

· theemathas opened on Mar 27, 2025

Support non-round-robin scheduling

A-concurrencyArea: affects our concurrency (multi-thread) supportArea: affects our concurrency (multi-thread) support

C-enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancement

E-good-first-issueA good way to start contributing, mentoring is availableA good way to start contributing, mentoring is available

Status: Open.

#4230 In rust-lang/miri;

· RalfJung opened on Mar 17, 2025

Miri float ops are less precise than what the standard library expects

A-shimsArea: This affects the external function shimsArea: This affects the external function shims

C-bugCategory: This is a bug.Category: This is a bug.

Status: Open.

#4208 In rust-lang/miri;

· RalfJung opened on Feb 25, 2025

fs::set_permissions/chmod unsupported on Linux

A-filesArea: related to files, paths, sockets, file descriptors, or handlesArea: related to files, paths, sockets, file descriptors, or handles

A-shimsArea: This affects the external function shimsArea: This affects the external function shims

C-enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancement

E-good-first-issueA good way to start contributing, mentoring is availableA good way to start contributing, mentoring is available

Status: Open.

#4202 In rust-lang/miri;

· barely-a-dev opened on Feb 23, 2025

Investigate why this by-move-argument-access is not caught

A-interpreterArea: affects the core interpreterArea: affects the core interpreter

C-bugCategory: This is a bug.Category: This is a bug.

Status: Open.

#4189 In rust-lang/miri;

· RalfJung opened on Feb 12, 2025

Add support for Windows virtual memory functions (VirtualAlloc, ...)

A-shimsArea: This affects the external function shimsArea: This affects the external function shims

A-windowsArea: affects only Windows targetsArea: affects only Windows targets

C-enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancement

Status: Open.

#4187 In rust-lang/miri;

· yanchith opened on Feb 11, 2025

<code>std::fs::copy</code> is unsupported

A-filesArea: related to files, paths, sockets, file descriptors, or handlesArea: related to files, paths, sockets, file descriptors, or handles

A-linuxArea: affects only Linux targetsArea: affects only Linux targets

A-macArea: Affects only macOS targetsArea: Affects only macOS targets

A-shimsArea: This affects the external function shimsArea: This affects the external function shims

C-enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancement

Status: Open.

#4183 In rust-lang/miri;

· anatawa12 opened on Feb 7, 2025

linkme crate not supported by Miri

A-shimsArea: This affects the external function shimsArea: This affects the external function shims

C-enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancementCategory: a PR with an enhancement or an issue tracking an accepted enhancement

Status: Open.

#4171 In rust-lang/miri;

· nazar-pc opened on Feb 2, 2025