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authorJan Kara <jack@suse.cz>2015-05-21 16:05:52 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2015-06-23 18:01:08 -0400
commit2426f3910069ed47c0cc58559a6d088af7920201 (patch)
tree88c802202a7ae166f8da96ce3bcf43970eb314cd /fs/ntfs
parentc0c3a718e3ab2430a52a60d614b109e5e48e83e2 (diff)
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>
Diffstat (limited to 'fs/ntfs')
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