ropshell> use b96c7fbfdfc1065aefdcbea3bd91196e (download)
name         : libc-2.21.so (x86_64/ELF)
base address : 0x1f4f0
total gadgets: 16722

ropshell> suggest "sp lifting"
> 0x0008331e : add rsp, 0x100; ret
> 0x0008331e : add rsp, 0x100; ret
> 0x00036731 : add rsp, 0x28; ret
> 0x000b5586 : add rsp, 0x38; ret
> 0x000e6677 : add rsp, 0x408; ret
> 0x000dbcea : add rsp, 0x58; ret