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Spurious races due to non-atomic treatment of __VERIFIER_atomic*-prefixed functions #1

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sim642 opened this issue Nov 8, 2023 · 0 comments
Open

Spurious races due to non-atomic treatment of __VERIFIER_atomic*-prefixed functions #1

sim642 opened this issue Nov 8, 2023 · 0 comments
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sim642 commented Nov 8, 2023

Although TSan excludes accesses from within these functions from racing, they aren't executed atomically (with the special atomic mutex held). This allows them to be interleaved, causing spurious races, e.g. with value-based mutex modeling.
@sim642 sim642 added the bug Something isn't working label Nov 8, 2023
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