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H A D | opal.c | e7de4f7b Fri May 03 02:52:53 CDT 2019 Andrew Donnellan <ajd@linux.ibm.com> powerpc/powernv: Restrict OPAL symbol map to only be readable by root
Currently the OPAL symbol map is globally readable, which seems bad as it contains physical addresses.
Restrict it to root.
Fixes: c8742f85125d ("powerpc/powernv: Expose OPAL firmware symbol map") Cc: stable@vger.kernel.org # v3.19+ Suggested-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190503075253.22798-1-ajd@linux.ibm.com e7de4f7b Fri May 03 02:52:53 CDT 2019 Andrew Donnellan <ajd@linux.ibm.com> powerpc/powernv: Restrict OPAL symbol map to only be readable by root Currently the OPAL symbol map is globally readable, which seems bad as it contains physical addresses. Restrict it to root. Fixes: c8742f85125d ("powerpc/powernv: Expose OPAL firmware symbol map") Cc: stable@vger.kernel.org # v3.19+ Suggested-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190503075253.22798-1-ajd@linux.ibm.com
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