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Miri spurious wake up?

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.

#4374 In rust-lang/miri;

· tiif opened on Jun 4, 2025

Poor performance for large allocations in native-lib mode

A-nativeArea: calling native functions via FFIArea: calling native functions via FFI

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

I-slowImpact: Makes Miri even slower than it already isImpact: Makes Miri even slower than it already is

Status: Open.

#4357 In rust-lang/miri;

· nia-e opened on May 29, 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

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

Shims ICE when a scalar argument isn't actually a scalar

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.

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

I-ICEImpact: makes Miri crash with some ICEImpact: makes Miri crash with some ICE

Status: Open.

#3842 In rust-lang/miri;

· RalfJung opened on Aug 24, 2024

Massive slowdown caused by stacked borrows on code involving raw pointers + UnsafeCell

A-aliasingArea: This affects the aliasing model (Stacked/Tree Borrows)Area: This affects the aliasing model (Stacked/Tree Borrows)

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

I-slowImpact: Makes Miri even slower than it already isImpact: Makes Miri even slower than it already is

Status: Open.

#3735 In rust-lang/miri;

· newpavlov opened on Jul 6, 2024

test_dependencies build cache needs to be manually cleared

A-testsArea: affects our test suite or CIArea: affects our test suite or CI

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

Status: Open.

#3468 In rust-lang/miri;

· tiif opened on Apr 15, 2024

Support argfiles in all our argument munching

A-cargoArea: affects the cargo wrapper (cargo miri)Area: affects the cargo wrapper (cargo miri)

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

Status: Open.

#3412 In rust-lang/miri;

· RalfJung opened on Mar 25, 2024

Miri builds fail nondeterministically

A-cargoArea: affects the cargo wrapper (cargo miri)Area: affects the cargo wrapper (cargo miri)

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

Status: Open.

#3125 In rust-lang/miri;

· joshlf opened on Oct 16, 2023

Stacked Borrows "is this argument" diagnostics go wrong for protected in-place function arguments

A-aliasingArea: This affects the aliasing model (Stacked/Tree Borrows)Area: This affects the aliasing model (Stacked/Tree Borrows)

A-diagnosticserrors and warnings emitted by mirierrors and warnings emitted by miri

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

Status: Open.

#3051 In rust-lang/miri;

· RalfJung opened on Sep 5, 2023

<code>--message-format short</code> triggers internal <code>cargo-miri</code> panic

A-cargoArea: affects the cargo wrapper (cargo miri)Area: affects the cargo wrapper (cargo miri)

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

Status: Open.

#3043 In rust-lang/miri;

· kadiwa4 opened on Aug 29, 2023

miri fails to apply recursion limit, hits stack overflow instead

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

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

I-ICEImpact: makes Miri crash with some ICEImpact: makes Miri crash with some ICE

Status: Open.

#2934 In rust-lang/miri;

· matthiaskrgr opened on Jun 18, 2023