Ipzz281 Full 'link'

pop rdi ; ret ; load address of "/bin/cat flag.txt" <addr_of_string> system ; call libc's system exit ; clean termination

When the light dimmed, the displayed a new status: ipzz281 full

“ IPZZ281… Full… Your grief is my sustenance… I shall become the new gatekeeper. ” pop rdi ; ret ; load address of "/bin/cat flag