ropshell> use 98f55f5f439bd905c2c5c17d3b25ded0 (download)
name         : speedrun-001 (x86_64/ELF)
base address : 0x4004d0
total gadgets: 8677

ropshell> suggest "sp lifting"
> 0x0040dc3d : add rsp, 0x118; ret
> 0x0040dc3d : add rsp, 0x118; ret
> 0x00449629 : add rsp, 0x28; ret
> 0x00475950 : add rsp, 0x38; ret
> 0x00449859 : add rsp, 0x58; ret
> 0x00481c2b : add rsp, 0x48; jmp [rax]