ASLR (Address Space Layout Randomization) stuff (exec shield?).
Links:
Questions:
RANDOMIZE
options.Binaries must be position-independent executables, so worthless on statically-compiled binaries. Possible settings:
Checking:
$ sysctl -a --pattern randomize kernel.randomize_va_space = 2 $
Changing:
# echo 2 > /proc/sys/kernel/randomize_va_space # sysctl -w kernel.randomize_va_space=2