Rating:

  • Can use unicode digits to pass the Java validator and cause an integer overflow the compiler
  • Create a jump to the middle of a MOV instruction
  • Repeat

https://devcraft.io/2019/06/24/jit-google-ctf-quals-2019.html

Original writeup (https://devcraft.io/2019/06/24/jit-google-ctf-quals-2019.html).