pytest: Mark Rust-dependent tests as skipped with VALGRIND

`valgrind` reports seems to flag some memory accesses that are ok in
the Rust standard library, which we can consider false positives for
our purposes:

```Valgrind error file: valgrind-errors.69147
==69147== Syscall param statx(file_name) points to unaddressable byte(s)
==69147==    at 0x4B049FE: statx (statx.c:29)
==69147==    by 0x2E2DA0: std::sys::unix::fs::try_statx (weak.rs:139)
==69147==    by 0x2D7BD5: <std::fs::File as std::io::Read>::read_to_string (fs.rs:784)
==69147==    by 0x2632CE: num_cpus::linux::Cgroup::param (linux.rs:214)
==69147==    by 0x263179: num_cpus::linux::Cgroup::quota_us (linux.rs:203)
==69147==    by 0x263002: num_cpus::linux::Cgroup::cpu_quota (linux.rs:188)
==69147==    by 0x262C01: num_cpus::linux::load_cgroups (linux.rs:149)
==69147==    by 0x26289D: num_cpus::linux::init_cgroups (linux.rs:129)
==69147==    by 0x26BD88: core::ops::function::FnOnce::call_once (function.rs:227)
==69147==    by 0x26B749: std::sync::once::Once::call_once::{{closure}} (once.rs:262)
==69147==    by 0x139717: std::sync::once::Once::call_inner (once.rs:419)
==69147==    by 0x26B6D5: std::sync::once::Once::call_once (once.rs:262)
==69147==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==69147==
==69147== Syscall param statx(buf) points to unaddressable byte(s)
==69147==    at 0x4B049FE: statx (statx.c:29)
==69147==    by 0x2E2DA0: std::sys::unix::fs::try_statx (weak.rs:139)
==69147==    by 0x2D7BD5: <std::fs::File as std::io::Read>::read_to_string (fs.rs:784)
==69147==    by 0x2632CE: num_cpus::linux::Cgroup::param (linux.rs:214)
==69147==    by 0x263179: num_cpus::linux::Cgroup::quota_us (linux.rs:203)
==69147==    by 0x263002: num_cpus::linux::Cgroup::cpu_quota (linux.rs:188)
==69147==    by 0x262C01: num_cpus::linux::load_cgroups (linux.rs:149)
==69147==    by 0x26289D: num_cpus::linux::init_cgroups (linux.rs:129)
==69147==    by 0x26BD88: core::ops::function::FnOnce::call_once (function.rs:227)
==69147==    by 0x26B749: std::sync::once::Once::call_once::{{closure}} (once.rs:262)
==69147==    by 0x139717: std::sync::once::Once::call_inner (once.rs:419)
==69147==    by 0x26B6D5: std::sync::once::Once::call_once (once.rs:262)
==69147==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==69147==

```
This commit is contained in:
Christian Decker 2022-02-07 19:49:57 +01:00 committed by Rusty Russell
parent fbcb4c33ad
commit a1555623bc

View File

@ -5,11 +5,19 @@ import subprocess
import pytest import pytest
# Skip the entire module if we don't have Rust. # Skip the entire module if we don't have Rust. The same is true for
pytestmark = pytest.mark.skipif( # VALGRIND, since it sometimes causes false positives in
env('RUST') != '1', # `std::sync::Once`
reason='RUST is not enabled, skipping rust-dependent tests' pytestmark = [
) pytest.mark.skipif(
env('RUST') != '1',
reason='RUST is not enabled skipping rust-dependent tests'
),
pytest.mark.skipif(
env('VALGRIND') == '1',
reason='VALGRIND is enabled skipping rust-dependent tests, as they may report false positives.'
),
]
def test_rpc_client(node_factory): def test_rpc_client(node_factory):