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autofs: comment on selinux changes needed for module autoload

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Due to the autofs4 module using a file system type name of autofs
different from the module containing directory name autoload did not
function properly.  To work around this kernel configurations have often
elected to build the module into the kernel.

This can result in selinux policies that prohibit autoloading of the
autofs module which need to be changed.

Add a comment about this to "possible changes" section of the autofs4
module help.

Link: http://lkml.kernel.org/r/152686474171.6155.1239659539983577463.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ian Kent 2018-06-07 17:11:45 -07:00 committed by Linus Torvalds
parent 0ab88bacc4
commit 8240b716e2
1 changed files with 6 additions and 0 deletions
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6
fs/autofs4/Kconfig
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@ -29,6 +29,12 @@ config AUTOFS4_FS
and the module name are the same as the file system name there
is no need to manually load module.
- any "alias autofs autofs4" will need to be removed.
- due to the autofs4 module directory name not being the same as
its file system name autoloading didn't work properly. Because
of this kernel configurations would often build the module into
the kernel. This may have resulted in selinux policies that will
prevent the autofs module from autoloading and will need to be
updated.
Please configure AUTOFS_FS instead of AUTOFS4_FS from now on.