From e9193059b1b3733695d5b80e667778311695aa73 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 6 Jun 2010 23:16:34 -0400
Subject: [PATCH] hostfs: fix races in dentry_name() and inode_name()

calculating size, then doing allocation, then filling the
path is a Bad Idea(tm), since the ancestors can be renamed,
leading to buffer overrun.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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