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runtime: SIGBUS in go/types in TestVet #71391
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Found new dashboard test flakes for:
2025-01-22 16:03 gotip-darwin-amd64_14 go@70b603f4 cmd/vet.TestVet/method (log)
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The SIGBUS occurs on this line: panic(fmt.Sprintf("%s: unknown expression type %T", check.fset.Position(e.Pos()), e)) The addresses are properly aligned. I can't correlate the program counter to a valid instruction in the disassembly of this amd64 executable though. |
The second stack implicates a different line: d.pred.add(n) Either way, this is a sign of memory corruption or a code generation bug. |
This might be an issue with this particular Darwin machine, we've seen other bugs filed by watchflakes that look like it's an issue with some of our fleet. This might be similar. |
This is actually exactly the same machine we saw earlier! #71300 |
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