diff options
| author | Jeff Mahoney <jeffm@suse.com> | 2016-09-21 08:31:29 -0400 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2016-09-21 17:22:16 -0700 |
| commit | 325c50e3cebb9208009083e841550f98a863bfa0 (patch) | |
| tree | af8ac48b434b15fa4efa6dead7ea2c037d03fc99 /lib/clz_ctz.c | |
| parent | 1e5ec2e709bd8c5588fdbdda909945e4e2be8d23 (diff) | |
| download | talos-obmc-linux-325c50e3cebb9208009083e841550f98a863bfa0.tar.gz talos-obmc-linux-325c50e3cebb9208009083e841550f98a863bfa0.zip | |
btrfs: ensure that file descriptor used with subvol ioctls is a dir
If the subvol/snapshot create/destroy ioctls are passed a regular file
with execute permissions set, we'll eventually Oops while trying to do
inode->i_op->lookup via lookup_one_len.
This patch ensures that the file descriptor refers to a directory.
Fixes: cb8e70901d (Btrfs: Fix subvolume creation locking rules)
Fixes: 76dda93c6a (Btrfs: add snapshot/subvolume destroy ioctl)
Cc: <stable@vger.kernel.org> #v2.6.29+
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'lib/clz_ctz.c')
0 files changed, 0 insertions, 0 deletions
