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    SubjectPatch 0/6 virtual address space randomisation
    The randomisation patch series introduces infrastructure and functionality
    that causes certain parts of a process' virtual address space to be
    different for each invocation of the process. The purpose of this is to
    raise the bar on buffer overflow exploits; full randomisation makes it not
    possible to use absolute addresses in the exploit.
    This first series only does a partial randomisation, future series will
    randomize other parts of the virtual address space as well.

    01-sysctl-A0 - introduce a sysctl to enable/disable
    02-randomize-infrastructure - infrastructure helpers
    03-PF_RANDOMIZE - per process flag to enable/disable
    04-stack - start randomizing the stack pointer
    05-mmap - start randomizing mmap addresses
    06-default-enable - enable randomisation by default (for -mm testing only)

    This series does NOT randomize the brk() area and does not yet add support
    for PIE binaries. This I will leave to a next series; this one should first
    settle down.

    Signed-off-by: Arjan van de Ven <>
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      Last update: 2005-03-22 14:09    [from the cache]
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