Issues

• tests/native-lib/pass/ptr_write_access.rs broken when running in nix

  rust-lang/miri#5393 · Filter by author maxdexh opened on Oct 6, 2026
  17

• 32-bit Linux (glibc): setting file times past 2038 fails because the __futimens64 shim is missing

  A-filesA-shimsC-enhancement
  rust-lang/miri#5385 · Filter by author programskillforverification opened on Oct 4, 2026
  1

• Location::caller pointer identity doesn't match normal execution

  rust-lang/miri#5379 · Filter by author theemathas opened on Oct 3, 2026
  5

• Missing FreeBSD shim for current_exe

  A-freebsdA-shimsC-enhancement
  rust-lang/miri#5375 · Filter by author RalfJung opened on Oct 1, 2026
  1

  

• Tracking std::fs APIs that we do not support on x86-64 Linux

  A-filesA-linuxA-shimsC-project
  rust-lang/miri#5370 · Filter by author RalfJung opened on Oct 1, 2026

• [riscv64] native-lib tests SIGSEGV on riscv64gc-unknown-linux-gnu

  A-nativeA-riscvC-bug
  rust-lang/miri#5356 · Filter by author yuzibo opened on Sep 29, 2026
  3

• FreeBSD pipes are bidirectional

  A-freebsdA-shimsC-bug
  rust-lang/miri#5352 · Filter by author WhySoBad opened on Sep 27, 2026
  2

• Miri doesn't check extern functions for #[track_caller]

  A-interpreterC-bugI-misses-UB
  rust-lang/miri#5351 · Filter by author theemathas opened on Sep 27, 2026
  3

• dirfd support is racy

  A-shimsC-bug
  rust-lang/miri#5326 · Filter by author RalfJung opened on Sep 19, 2026
  2

• Improve random scheduler to consider more "interesting" interleavings

  A-concurrencyC-proposal
  rust-lang/miri#5323 · Filter by author bal-e opened on Sep 18, 2026
  5

• ICE in Miri with unsized_fn_params and C-variadics

  A-interpreterC-bugI-ICES-blocked-on-rust
  rust-lang/miri#5310 · Filter by author theemathas opened on Sep 6, 2026
  1

• Support more syscalls in syscall shim

  A-shimsC-proposal
  rust-lang/miri#5305 · Filter by author hkalbasi opened on Sep 4, 2026

• Communicate the actually supported target features to the program

  A-interpreterC-proposal
  rust-lang/miri#5294 · Filter by author RalfJung opened on Aug 28, 2026
  9

• pthread primitives: ensure the provenance passed to "init" remains valid

  A-shimsC-bugI-misses-UB
  rust-lang/miri#5256 · Filter by author RalfJung opened on Aug 16, 2026

• EII, support extern_item_impls

  A-interpreterC-enhancement
  rust-lang/miri#5247 · Filter by author boozook opened on Aug 7, 2026
  5

• Miri can't detect clashing shims between static and function symbols in all cases

  A-shimsC-bugI-misses-UB
  rust-lang/miri#5242 · Filter by author hkalbasi opened on Aug 4, 2026
  1

• Cannot enable debug!/trace! macros in Miri

  A-devC-bug
  rust-lang/miri#5239 · Filter by author RalfJung opened on Aug 2, 2026

• cargo-miri fails when cargo uses argfiles

  A-windowsC-bugE-needs-mcve
  rust-lang/miri#5234 · Filter by author nazar-pc opened on Jul 31, 2026
  43

  

• RISC-V intrinsics in Miri

  A-riscvC-enhancement
  rust-lang/miri#5204 · Filter by author nazar-pc opened on Jul 16, 2026
  5

• CARGO_BUILD_WARNINGS ignored with cargo miri

  A-cargoC-bug
  rust-lang/miri#5202 · Filter by author peter-lyons-kehl opened on Jul 15, 2026
  4

• The data race detector does not understand TCP-socket-based synchronization, leading to incorrect data race reports

  A-data-raceA-shimsC-bugI-false-UB
  rust-lang/miri#5199 · Filter by author RalfJung opened on Jul 15, 2026

• Add support for O_TMPFILE

  A-shimsC-proposal
  rust-lang/miri#5184 · Filter by author newpavlov opened on Jul 13, 2026
  2

• Support fs::set_times and fs::set_times_nofollow by implementing utimensat

  A-filesA-shimsC-enhancementE-good-first-issue
  rust-lang/miri#5181 · Filter by author RalfJung opened on Jul 13, 2026
  8

  

• SC load is too strict when there were mixed SC and non-SC stores

  A-weak-memoryC-enhancement
  rust-lang/miri#5179 · Filter by author cbeuw opened on Jul 12, 2026
  10

• Ignoring/expecting memory leaks in certain tests/functions

  A-leaksC-enhancement
  rust-lang/miri#5130 · Filter by author ivelieu opened on Jun 25, 2026
  8