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CONFIG_RANDOMIZE_MODULE_REGION_FULL: Randomize the module region independently from the core kernel

General informations

The Linux kernel configuration item CONFIG_RANDOMIZE_MODULE_REGION_FULL:

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Randomizes the location of the module region without considering the location of the core kernel. This way, it is impossible for modules to leak information about the location of core kernel data structures but it does imply that function calls between modules and the core kernel will need to be resolved via veneers in the module PLT.

When this option is not set, the module region will be randomized over a limited range that contains the [_stext, _etext] interval of the core kernel, so branch relocations are always in range.



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