Debugging asan failure #1230
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Debugging asan failure #1230
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Just for debugging of failure on #1192: https://gitlab.com/cscs-ci/ci-testing/webhook-ci/mirrors/4700071344751697/7514005670787789/-/jobs/8559806368#L603. It smells like an asan issue, but not clear yet. The issue reproduces even on my laptop (using the CI image), but only when increasing the number of threads to 16 or 32 (and disabling thread binding). This is probably why we never saw it on daint-mc (with 6 threads per rank on the failing test). The issue does not reproduce with
detect_stack_use_after_returnenabled, so I'm testing enabling it, even though it's likely to produce other asan issues (again, asan itself failing, rather than legitimate warnings reported by asan).