From: Haogang Chen <haogangchen@gmail.com>
Date: Sat, 17 Mar 2012 00:08:38 +0000 (-0700)
Subject: nilfs2: clamp ns_r_segments_percentage to [1, 99]
X-Git-Tag: v3.3~4^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d777a64066f3b9db8a94834aaed6a9cf09808fd;p=pandora-kernel.git

nilfs2: clamp ns_r_segments_percentage to [1, 99]

ns_r_segments_percentage is read from the disk.  Bogus or malicious
value could cause integer overflow and malfunction due to meaningless
disk usage calculation.  This patch reports error when mounting such
bogus volumes.

Signed-off-by: Haogang Chen <haogangchen@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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