ropshell> use 5a67b4ad4c288dc4904c72d5b69d0a3c (download) name : emptyspaces (x86_64/ELF) base address : 0x4004d0 total gadgets: 8704
ropshell> suggest "sp lifting" > 0x0040dc3d : add rsp, 0x118; ret > 0x0040dc3d : add rsp, 0x118; ret > 0x00449539 : add rsp, 0x28; ret > 0x004758b0 : add rsp, 0x38; ret > 0x00449769 : add rsp, 0x58; ret > 0x00481b2b : add rsp, 0x48; jmp [rax]