Description: divide error in ubi_attach_mtd_dev
References:
 https://lore.kernel.org/all/CA+UBctD_w=75wChmePZHp7KsBSNPWYGDBtzHPRPPtaFoqhGvXA@mail.gmail.com/
Notes:
 bwh> I don't think this has security impact, as it requires creating
 bwh> an MTD with a specific erasesize.  Several drivers support that
 bwh> but they all have to be configured through module parameters
 bwh> or the kernel command line.
Bugs:
upstream: ignored "Not a security issue"
6.1-upstream-stable: ignored "Not a security issue"
5.10-upstream-stable: ignored "Not a security issue"
4.19-upstream-stable: ignored "Not a security issue"
sid: ignored "Not a security issue"
6.1-bookworm-security: ignored "Not a security issue"
5.10-bullseye-security: ignored "Not a security issue"
4.19-buster-security: ignored "Not a security issue"