PCR 7 covers the SecureBoot policy, in particular "dbx", i.e. the
denylist of bad actors. That list is pretty much as frequently updated
as firmware these days (as fwupd took over automatic updating). This
means literal PCR 7 policies are problematic: they likely break soon,
and are as brittle as any other literal PCR policies.
hence, pick safer defaults, i.e. exclude PCR 7 from the default mask.
This means the mask is now empty.
Generally, people should really switch to signed PCR policies covering
PCR 11, in combination with systemd-pcrlock for the other PCRs.
TEST-46-HOMED fails on ext4 because the filesystem is deemed to small
for activation by cryptsetup. Let's bump the minimal filesystem size for
ext4 a bit to be in the same ballpark as ext4 and btrfs to avoid weird
errors due to impossibly small filesystems.
Also use U64_MB while we're touching this.
Having these named differently than the test itself mostly creates
unecessary confusion and makes writing logic against the tests harder
so let's rename the testsuite-xx units and scripts to just use the
test name itself.
Lennart Poettering
Daan De Meyer
Yu Watanabe