ropshell> use 880802b20aba2d0f3d7ea3bbd400a587 (download)
name         : chal1 (x86_64/ELF)
base address : 0x4011a0
total gadgets: 7092

ropshell> suggest "sp lifting"
> 0x0040f5f1 : add rsp, 0x118; ret
> 0x0040f5f1 : add rsp, 0x118; ret
> 0x00450bdd : add rsp, 0x28; ret
> 0x00466e87 : add rsp, 0x38; ret
> 0x00451894 : add rsp, 0x58; ret
> 0x004841ff : add rsp, 0x48; jmp [rax]