LZMA2 in tar

[neonix]

I tried to unpack vivaldi deb and it use LZMA2 compression. Does busybox' s tar or binutils tar support LZMA2?

[mocore]

it appears busybox xz does that ...
https://www.busybox.net/

# 1 January 2014 -- BusyBox 1.22.0 (unstable)
...
xz: fix decoding of LZMA2 streams having no uncompressed data.

I tried to unpack vivaldi deb and it use LZMA2 compression.

presumably this fails ?
...if so ..
 how dose it fail !?!!