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CONFIG_ARCH_MMAP_RND_BITS: Number of bits to use for ASLR of mmap base address

General informations

The Linux kernel configuration item CONFIG_ARCH_MMAP_RND_BITS:

Help text

This value can be used to select the number of bits to use to determine the random offset to the base address of vma regions resulting from mmap allocations. This value will be bounded by the architecture's minimum and maximum supported values.

This value can be changed after boot using the /proc/sys/vm/mmap_rnd_bits tunable

Hardware

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