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SubjectRe: [PATCH] Restrict procfs permissions
On Sat, Jan 29, 2005 at 03:45:42AM +0100, Rene Scharfe wrote:
> The patch is inspired by the /proc restriction parts of the GrSecurity
> patch. The main difference is the ability to configure the restrictions
> dynamically. You can change the umask setting by running
> # mount -o remount,umask=007 /proc
> Testing has been *very* light so far -- it compiles and boots. Patch is
> against 2.6.11-rc2-bk6.
> Comments are very welcome.

It leaves already existing inodes with whatever mode they used to have.
_IF_ you want to do that sort of things, do it right - add ->permission()
that would apply that umask before checks and if you want it to be seen
in results of stat(2) - add ->gettattr() and do the same there.
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