This is a duplicate of Bug#996260 [1]Maximilian was slightly faster and I failed to check again before hitting send. My apologies.
[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=996260
- Bug#996266: btrbk: Patch for CVE-2021-38173 breaks standard... Leonhard Preis
- Bug#996266: Acknowledgement (btrbk: Patch for CVE-2021... Leonhard Preis
