diff options
| author | Jeff Mahoney <jeffm@suse.com> | 2016-09-21 08:31:29 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-30 10:18:38 +0200 |
| commit | e944e69815ec4d6212514e658a4c7d155793c8f0 (patch) | |
| tree | 7a73567a14285c3e55f72a4f95a523303aa0547a /lib/flex_array.c | |
| parent | f1b01a340b2b4bc18e90fe5e5a3e99d7d3cffe32 (diff) | |
btrfs: ensure that file descriptor used with subvol ioctls is a dir
commit 325c50e3cebb9208009083e841550f98a863bfa0 upstream.
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)
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/flex_array.c')
0 files changed, 0 insertions, 0 deletions