$ cat writeup.md…
$ cat writeup.md…
miptctf
ARM TrustZone/OP-TEE QEMU system with maze-solving VM. Early-TA cannot call REE-FS TA due to access control. Solution: patch maze TA in bl32_extra1.bin (zlib decompress, ARM Thumb patching, recompress) to bypass helper TA call and inject hardcoded maze solution.
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