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| /openbmc/linux/security/apparmor/ |
| H A D | apparmorfs.c | diff 1180b4c757aab5506f1be367000364dd5cf5cd02 Fri Mar 16 00:31:38 CDT 2018 John Johansen <john.johansen@canonical.com> apparmor: fix dangling symlinks to policy rawdata after replacement
When policy replacement occurs the symlinks in the profile directory
need to be updated to point to the new rawdata, otherwise once the
old rawdata is removed the symlink becomes broken.
Fix this by dynamically generating the symlink everytime it is read.
These links are used enough that their value needs to be cached and
this way we can avoid needing locking to read and update the link
value.
Fixes: a481f4d917835 ("apparmor: add custom apparmorfs that will be used by policy namespace files")
BugLink: http://bugs.launchpad.net/bugs/1755563
Signed-off-by: John Johansen <john.johansen@canonical.com>
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