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tasks page: note about auditing use of /tmp 

Signed-off-by: Leah Rowe <info@minifree.org>
master
Leah Rowe 2024-01-30 13:22:18 +00:00
parent 1ad11d5512
commit cc2aff727e
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site/tasks/index.md
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@ -2219,3 +2219,18 @@ Example taken from lenovo/x230. We could just turn all of these off.
It doesn't affect anything in practise, whether this is on or not, because
we neuter anyway, so the ME interface is broken by default. Leaving it
on in devicetree will result in a benign error message on linux dmesg.
audit tmp usage
===============
some .elf files are left in /tmp, outside of TMPDIR, after lbmk runs,
and it seems to be when building elfs. in particular, it happened
when i built gru\_bob but it could be for others
lbmk changes TMPDIR to /tmp/lbmk\_xxxxxxxxx where x numbers are generated,
and exports that, but things that it runs may or may not respect TMPDIR,
or it could be buggy in some shells. therefore, audit the way lbmk uses
tmp, because in some cases it literally does now delete temporary files
or directories, on the assumption that they are deleted at the end. at the
end when lbmk exits, the main script deletes /tmp/lbmk\_xxxxxxxx