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Windows: File::create fails when file already exists (cannot call SetFileInformationByHandle)

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

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

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

Status: Open.

#4483 In rust-lang/miri;

· RalfJung opened on Jul 19, 2025

<code>posix_fallocate</code> not supported

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

Status: Open.

#4464 In rust-lang/miri;

· nazar-pc opened on Jul 11, 2025

Direct I/O file system flag not supported

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

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.

#4462 In rust-lang/miri;

· nazar-pc opened on Jul 11, 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

<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

Add support for Linux timerfd

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-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.

#3934 In rust-lang/miri;

· FrankReh opened on Oct 2, 2024

unsupported operation: renameat2, openat, openat2, ...

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

S-blockedStatus: blocked on something happening somewhere elseStatus: blocked on something happening somewhere else

Status: Open.

#3931 In rust-lang/miri;

· cyphar opened on Oct 1, 2024

Solarish: Implement file system support

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

A-solarishArea: affects our Solaris/Illumos target supportArea: affects our Solaris/Illumos target 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.

#3890 In rust-lang/miri;

· RalfJung opened on Sep 15, 2024

Project idea: strongly typed file descriptor integers and deduplication of various checks around them

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

C-cleanupCategory: cleaning up our codeCategory: cleaning up our code

E-good-second-issueA good issue to pick up if you've already seen some parts of Miri, mentoring is availableA good issue to pick up if you've already seen some parts of Miri, mentoring is available

Status: Open.

#3772 In rust-lang/miri;

· oli-obk opened on Jul 29, 2024

Are unclosed file descriptors a memory leak?

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

C-proposalCategory: a proposal for something we might want to do, or maybe not; details still being worked outCategory: a proposal for something we might want to do, or maybe not; details still being worked out

Status: Open.

#3771 In rust-lang/miri;

· oli-obk opened on Jul 29, 2024

Windows file system shims are missing

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

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

C-projectCategory: a larger project is being tracked here, usually with checkmarks for individual stepsCategory: a larger project is being tracked here, usually with checkmarks for individual steps

Status: Open.

#3482 In rust-lang/miri;

· RalfJung opened on Apr 18, 2024

Implement basic support for sockets

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

A-unixArea: affects our shared Unix target supportArea: affects our shared Unix target support

C-projectCategory: a larger project is being tracked here, usually with checkmarks for individual stepsCategory: a larger project is being tracked here, usually with checkmarks for individual steps

Status: Open.

#3449 In rust-lang/miri;

· RalfJung opened on Apr 4, 2024