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CONFIG_KMSAN: KMSAN: detector of uninitialized values use

General informations

The Linux kernel configuration item CONFIG_KMSAN:

Help text

KernelMemorySanitizer (KMSAN) is a dynamic detector of uses of uninitialized values in the kernel. It is based on compiler instrumentation provided by Clang and thus requires Clang to build.

An important note is that KMSAN is not intended for production use, because it drastically increases kernel memory footprint and slows the whole system down.

See Documentation/dev-tools/kmsan.rst for more details.

Hardware

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