Since revering to linux-image-5.10.0-20 we've been free of the same errors.
- Bug#1032104: linux: ppc64el iouring corrupted read Daniel Black
- Bug#1032104: linux: ppc64el iouring corrupted re... Diederik de Haas
- Bug#1032104: linux: ppc64el iouring corrupte... Daniel Black
- Bug#1032104: linux: ppc64el iouring corr... Daniel Black
- Bug#1032104: linux: ppc64el iouring ... Paul Gevers
- Bug#1032104: linux: ppc64el iouring corrupted re... Otto Kekäläinen
- Bug#1032104: linux: ppc64el iouring corrupte... Salvatore Bonaccorso