ropshell> use 9ee1a1aa1bbd6bf8d7f3a90c0ea5d135 (download)
name         : libc.so.6 (x86_64/ELF)
base address : 0x28700
total gadgets: 16847

ropshell> suggest "sp lifting"
> 0x00121a8b : add rsp, 0x1018; ret
> 0x00121a8b : add rsp, 0x1018; ret
> 0x00149aac : add rsp, 0x218; ret
> 0x0005a44e : add rsp, 0x38; ret
> 0x00129c1b : add rsp, 0x40; ret
> 0x000a0265 : add rsp, 0x58; ret