ASAN found _two_ bugs in _Copy_vbool!
#4045
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* `_IsSingleBlockDest` wasn't accounting for the fact that `_DestEnd` is past-the-end * we sometimes don't realize we're done and read past the end of the input
CaseyCarter
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Sep 22, 2023
StephanTLavavej
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Sep 22, 2023
StephanTLavavej
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Sep 22, 2023
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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Thanks for finding and fixing these bugs so fast! 🕵️ 🔍 🛠️ |
miscco
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Sep 25, 2023
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_IsSingleBlockDestwasn't accounting for the fact that_DestEndis past-the-endTest coverage is forthcoming in my ASAN work. (I've run 1e7 iterations of the randomized test locally, FWIW.)