It could be triggered right when loading the libpmem lib or similar.
>From strace:
63706 0.000028 stat("/sys/bus/nd/devices", {st_mode=S_IFDIR|0755,
st_size=0, ...}) = 0 <0.000011>
63706 0.000050 stat("/sys/bus/nd/devices", {st_mode=S_IFDIR|0755,
st_size=0, ...}) = 0 <0.000009>
63706 0.000031 openat(AT_FDCWD, ".", O_RDONLY) = 3 <0.000011>
63706 0.000031 fchdir(3) = 0 <0.000007>
63706 0.000024 openat(AT_FDCWD, "/sys/bus/nd/devices",
O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 <0.000010>
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https://bugs.launchpad.net/bugs/1871354
Title:
apparmor denies related to nvdimms/nfit
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