Was made aware of https://fuchsia.googlesource.com/fuchsia/+/main/src/lib/thinfs/fs/msdosfs/, and it might be good to go through the implementations side-by-side to find any lingering bugs.
Update: In the meantime, I stumbled upon another fat32 implementation: https://github.com/monogon-dev/monogon/blob/main/osbase/fat32/fat32.go
Was made aware of https://fuchsia.googlesource.com/fuchsia/+/main/src/lib/thinfs/fs/msdosfs/, and it might be good to go through the implementations side-by-side to find any lingering bugs.
Update: In the meantime, I stumbled upon another fat32 implementation: https://github.com/monogon-dev/monogon/blob/main/osbase/fat32/fat32.go