diff options
| author | Jan Kara <jack@suse.cz> | 2015-05-21 14:05:52 (GMT) |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-06-23 22:01:08 (GMT) |
| commit | 2426f3910069ed47c0cc58559a6d088af7920201 (patch) | |
| tree | 88c802202a7ae166f8da96ce3bcf43970eb314cd /fs/direct-io.c | |
| parent | c0c3a718e3ab2430a52a60d614b109e5e48e83e2 (diff) | |
| download | linux-2426f3910069ed47c0cc58559a6d088af7920201.tar.xz | |
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/direct-io.c')
0 files changed, 0 insertions, 0 deletions