From: Eric W. Biederman <ebiederm@xmission.com>
Date: Fri, 8 Feb 2008 12:18:34 +0000 (-0800)
Subject: proc: proper pidns handling for /proc/self
X-Git-Tag: v2.6.25-rc1~262
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=488e5bc4560d0b510c1ddc451c51a6cc14e3a930;p=pandora-kernel.git

proc: proper pidns handling for /proc/self

Currently if you access a /proc that is not mounted with your processes
current pid namespace /proc/self will point at a completely random task.

This patch fixes /proc/self to point to the current process if it is
available in the particular mount of /proc or to return -ENOENT if the
current process is not visible.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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