Run Miri on CI #578

taiki-e · 2020-10-09T13:45:45Z

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580: Fix UB in destroy_array test r=jeehoonkang a=taiki-e Reportrd by Miri in #578 ([log](https://github.com/crossbeam-rs/crossbeam/runs/1232029543?check_suite_focus=true)) https://github.com/crossbeam-rs/crossbeam/blob/e08b21cc086fc42af0e9927a68bc3120bee87af5/crossbeam-epoch/src/collector.rs#L378-L388 `ptr` is a pointer to `Vec<i32>`, but deallocated as `Vec<u8>`. Co-authored-by: Taiki Endo <te316e89@gmail.com>

taiki-e · 2020-10-24T13:14:55Z

crossbeam-channel test takes about an hour, so I'll reduce iterations more... (other crates are okay)

taiki-e · 2021-02-15T13:49:57Z

It seems some tests hang when using the latest Miri.

RalfJung · 2021-02-15T14:09:55Z

Interesting, maybe something in crossbeam changed and now it's running into rust-lang/miri#1388?

taiki-e · 2021-02-19T15:58:37Z

I'm not sure. Most of the commits after January 1st were written by me, but I don't think there were relevant changes for the crossbeam-deque that hang occurred.

taiki-e · 2021-02-19T16:05:06Z

I guess it's related to rust-lang/miri#1686, but currently I don't have the bandwidth to investigate it.

RalfJung · 2021-02-19T16:11:07Z

Good point. You could run Miri with -Zmiri-compare-exchange-weak-failure-rate=0.0 to check this.

taiki-e · 2021-02-19T16:15:34Z

@RalfJung Thanks. I'll try it.

taiki-e · 2021-02-20T04:05:39Z

Hmm, it seems -Zmiri-compare-exchange-weak-failure-rate=0.0 doesn't fix hang. https://github.com/crossbeam-rs/crossbeam/pull/578/checks?check_run_id=1940042095

Currently, miri is unavailable on the latest nightly, so I'll try again once rust-lang/rust#82253 is merged.

763: Use Box::into_raw instead of mem::forget-in-disguise r=taiki-e a=taiki-e This fixes the following stacked borrows violation. ```sh MIRIFLAGS="-Zmiri-tag-raw-pointers" cargo miri test -p crossbeam-queue ``` ```text error: Undefined Behavior: trying to reborrow for Unique at alloc67500, but parent tag <180167> does not have an appropriate item in the borrow stack --> /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/slice/raw.rs:130:14 | 130 | unsafe { &mut *ptr::slice_from_raw_parts_mut(data, len) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ trying to reborrow for Unique at alloc67500, but parent tag <180167> does not have an appropriate item in the borrow stack | = help: this indicates a potential bug in the program: it performed an invalid operation, but the rules it violated are still experimental = help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information = note: inside `std::slice::from_raw_parts_mut::<crossbeam_queue::array_queue::Slot<i32>>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/slice/raw.rs:130:14 = note: inside `<crossbeam_queue::ArrayQueue<i32> as std::ops::Drop>::drop` at /Users/taiki/projects/crossbeam/crossbeam-queue/src/array_queue.rs:424:23 = note: inside `std::ptr::drop_in_place::<crossbeam_queue::ArrayQueue<i32>> - shim(Some(crossbeam_queue::ArrayQueue<i32>))` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:188:1 note: inside `capacity` at crossbeam-queue/tests/array_queue.rs:24:5 --> crossbeam-queue/tests/array_queue.rs:24:5 | 24 | } | ^ note: inside closure at crossbeam-queue/tests/array_queue.rs:20:1 --> crossbeam-queue/tests/array_queue.rs:20:1 | 19 | #[test] | ------- in this procedural macro expansion 20 | / fn capacity() { 21 | | for i in 1..10 { 22 | | let q = ArrayQueue::<i32>::new(i); 23 | | assert_eq!(q.capacity(), i); 24 | | } 25 | | } | |_^ = note: inside `<[closure@crossbeam-queue/tests/array_queue.rs:20:1: 25:2] as std::ops::FnOnce<()>>::call_once - shim` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 = note: inside `<fn() as std::ops::FnOnce<()>>::call_once - shim(fn())` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 = note: inside `test::__rust_begin_short_backtrace::<fn()>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:575:5 = note: inside closure at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:566:30 = note: inside `<[closure@test::run_test::{closure#1}] as std::ops::FnOnce<()>>::call_once - shim(vtable)` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 = note: inside `<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send> as std::ops::FnOnce<()>>::call_once` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1854:9 = note: inside `<std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>> as std::ops::FnOnce<()>>::call_once` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 = note: inside `std::panicking::r#try::do_call::<std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>>, ()>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 = note: inside `std::panicking::r#try::<(), std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>>>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 = note: inside `std::panic::catch_unwind::<std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>>, ()>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 = note: inside `test::run_test_in_process` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:598:18 = note: inside closure at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:492:39 = note: inside `test::run_test::run_test_inner` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:530:13 = note: inside `test::run_test` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:562:28 = note: inside `test::run_tests::<[closure@test::run_tests_console::{closure#2}]>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:305:17 = note: inside `test::run_tests_console` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/console.rs:290:5 = note: inside `test::test_main` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:116:15 = note: inside `test::test_main_static` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/test/src/lib.rs:135:5 = note: inside `main` = note: inside `<fn() as std::ops::FnOnce<()>>::call_once - shim(fn())` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 = note: inside `std::sys_common::backtrace::__rust_begin_short_backtrace::<fn(), ()>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:123:18 = note: inside closure at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/rt.rs:145:18 = note: inside `std::ops::function::impls::<impl std::ops::FnOnce<()> for &dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe>::call_once` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/core/src/ops/function.rs:259:13 = note: inside `std::panicking::r#try::do_call::<&dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe, i32>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 = note: inside `std::panicking::r#try::<i32, &dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 = note: inside `std::panic::catch_unwind::<&dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe, i32>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 = note: inside closure at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/rt.rs:128:48 = note: inside `std::panicking::r#try::do_call::<[closure@std::rt::lang_start_internal::{closure#2}], isize>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 = note: inside `std::panicking::r#try::<isize, [closure@std::rt::lang_start_internal::{closure#2}]>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 = note: inside `std::panic::catch_unwind::<[closure@std::rt::lang_start_internal::{closure#2}], isize>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 = note: inside `std::rt::lang_start_internal` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/rt.rs:128:20 = note: inside `std::rt::lang_start::<()>` at /Users/taiki/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/library/std/src/rt.rs:144:17 = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info) ``` cc #578 Co-authored-by: Taiki Endo <te316e89@gmail.com>

taiki-e · 2022-01-07T12:55:30Z

bors r+

bors · 2022-01-07T13:52:17Z

Build succeeded:

ci

taiki-e marked this pull request as draft October 9, 2020 13:45

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This was referenced Oct 9, 2020

epoch: Miri reports memory leak with crossbeam_epoch::pin() #579

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Fix UB in destroy_array test #580

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taiki-e changed the title ~~[wip] Run Miri on CI~~ Run Miri on CI Nov 3, 2020

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taiki-e mentioned this pull request Nov 12, 2020

crossbeam-epoch internal::local_size unit test fails on 32-bit architectures #597

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jeehoonkang mentioned this pull request Nov 13, 2020

We need to test i686 linux-gnu on CI by using cross #598

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Use Box::into_raw instead of mem::forget-in-disguise

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Use Box::into_raw instead of mem::forget-in-disguise #763

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channel: stacked borrows violation with -Zmiri-tag-raw-pointers #762

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Run Miri on CI

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cbeuw mentioned this pull request May 8, 2022

Fix backwards cmpxchg_weak_failure_rate check rust-lang/miri#2105

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Run Miri on CI #578

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Run Miri on CI #578

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