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Command aslr

Easily check, enable or disable ASLR on the debugged binary.

Check the status:

gef➤  aslr
ASLR is currently disabled

Activate ASLR:

gef➤  aslr on
[+] Enabling ASLR
gef➤  aslr
ASLR is currently enabled

De-activate ASLR:

gef➤  aslr off
[+] Disabling ASLR

Note: This command cannot affect a process that has already been loaded, to which GDB attached to later. The only way to disable this randomization is by setting the kernel setting /proc/sys/kernel/randomize_va_space to 0..