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7a87902684
In the StackDepot::isValid function, there is work to validate the TabMask variable. Unfortunately, if TabMask is set to the maximum allowed value, TabSize = TabMask + 1 becomes zero and validation passes. Disallow that case to prevent invalid reads into the Tab structure.
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================