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Posted by Kostya Serebryany, Google Core Systems, and Sudhi Herle, Android Security & Privacy Team

As part of our continuous commitment to improve the security of the Android ecosystem, we are partnering with Arm to design the memory tagging extension (MTE). Memory safety bugs, common in C and C++, remain one of the largest vulnerabilities in the Android platform and although there have been previous hardening efforts, memory safety bugs comprised more than half of the high priority security bugs in Android 9. Additionally, memory safety bugs manifest as hard to diagnose reliability problems, including sporadic crashes or silent data

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