Hi guys,

I have been investigating a really weird issue and want to ask if you know
what might go wrong.
So, normally file_contexts file is composed from the
external/sepolicy/file_contexts and OEM modifications that can be declared
in different places in file_contexts files, but joined using the
BOARD_SEPOLICY_DIRS. For example:
BOARD_SEPOLICY_DIRS += device/intel/sepolicy/bla/xyz

All is good and it worked for ages, but now it works strangely on one (and
only one) particular addition in file_contexts like this:

/dev/xyz u:object_r:xyz_device:s0

Important part here is that there is no newline at the end of the above
line (which is quite normal and the same for many other similar
file_contexts file).

So, what happens is that line gets added to the resulted file_contexts
there is a no newline after and the next addition to file_contexts get
written to the same line (straight after the label). So, in the resulting
file_contexts we have:

/dev/xyz u:object_r:xyz_device:s0#Additional file_contexts

Where "#Additional file_contexts"  is the first line  of another
file_contexts file that happens to be added after.

Of course selinux has an issue with the above label, so it complains:

out/target/product/bla/root/file_contexts: line 721 has invalid file type
u:object_r:xyz_device:s0#
out/target/product/bla/root/file_contexts: line 721 has invalid file type
u:object_r:xyz_device:s0#
out/target/product/bla/root/file_contexts: line 721 has invalid file type
u:object_r:xyz_device:s0#
out/target/product/bla/root/file_contexts: line 721 has invalid file type
u:object_r:xyz_device:s0#

Any ideas why this happens?

Best Regards,
Elena.
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