From: Jan Kara <jack@suse.cz>
Date: Thu, 21 May 2015 14:05:52 +0000 (+0200)
Subject: fs: Fix S_NOSEC handling
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~6^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2426f3910069ed47c0cc58559a6d088af7920201;p=pandora-kernel.git

fs: Fix S_NOSEC handling

file_remove_suid() could mistakenly set S_NOSEC inode bit when root was
modifying the file. As a result following writes to the file by ordinary
user would avoid clearing suid or sgid bits.

Fix the bug by checking actual mode bits before setting S_NOSEC.

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

Reading git-diff-tree failed