[Reflection] Range-check shapeIndex in createBoundGenericTypeReconstructingParent. #62535
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…uctingParent. If the parentNode chain ends up being longer than genericParamsPerLevel, we can underflow shapeIndex, resulting in an out-of-bounds read. Range check it against the vector before trying to read it, and return NULL if it's out of bounds. rdar://103220412
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@swift-ci please test and merge |
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@swift-ci please smoke test macos platform |
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If the parentNode chain ends up being longer than genericParamsPerLevel, we can underflow shapeIndex, resulting in an out-of-bounds read. Range check it against the vector before trying to read it, and return NULL if it's out of bounds.
rdar://103220412