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f015802380
PIE (position independent executable) adds security to executables by composing them entirely of position-independent code (PIC. The .so libraries already build with -fPIC. This adds -fPIE which is the equivalent to -fPIC, but for executables. This for allows Exec Shield to use address space layout randomization to prevent attackers from knowing where existing executable code is during a security attack using exploits that rely on knowing the offset of the executable code in the binary, such as return-to-libc attacks. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> (cherry picked from commit 1150999ca444d8cb1d906a4948b808125fa209b7)
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>