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commitb8ff981f88upstream. For the same reason that /proc/iomem returns 0's for non-root readers and acpi tables are root-only, make the 'resource' attribute for region devices only readable by root. Otherwise we disclose physical address information. Fixes:802f4be6fe("libnvdimm: Add 'resource' sysfs attribute to regions") Cc: Dave Jiang <dave.jiang@intel.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Reported-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.