diff options
| author | Jordan Niethe <jniethe5@gmail.com> | 2019-02-27 14:02:29 +1100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-23 08:44:38 +0100 |
| commit | d9fbe055bc95027b03fc87aba1f88afab317017c (patch) | |
| tree | f663669c6f1735f2c83a7e152ccdf6250862ce4e /lib/debugobjects.c | |
| parent | aa3995f04e39c6b7cb60ce66e8d20502a42bf78d (diff) | |
powerpc/powernv: Make opal log only readable by root
commit 7b62f9bd2246b7d3d086e571397c14ba52645ef1 upstream.
Currently the opal log is globally readable. It is kernel policy to
limit the visibility of physical addresses / kernel pointers to root.
Given this and the fact the opal log may contain this information it
would be better to limit the readability to root.
Fixes: bfc36894a48b ("powerpc/powernv: Add OPAL message log interface")
Cc: stable@vger.kernel.org # v3.15+
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Reviewed-by: Stewart Smith <stewart@linux.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/debugobjects.c')
0 files changed, 0 insertions, 0 deletions