LOL, LMAO even.
Markku-Juhani O. Saarinen, a professor at Tampere University in Finland just broke 32 cryptographic algorithm submissions to China's NGCC (Next-Generation Commercial Cryptographic Algorithms).
These are first-round candidate submissions, not "deployed" standards by any measure.
But his account to post these on the NGCC Forum hadn't been approved, so he just posted them to GitHub:
Lol, and holy fuck!
Reproducers for Chinese Round 1 reports in now at: Has some more advanced stuff now, like actual signature forgery exploit for the CEDRUS+C Hypertree index collapse vulnerability.