diff options
| author | Ming Lei <ming.lei@redhat.com> | 2024-10-16 21:48:47 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-10-16 08:08:18 -0600 |
| commit | 42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6 (patch) | |
| tree | b34db3afc3a7f0315d0afb18a0430ea85f7a8239 /lib/lockref.c | |
| parent | e972b08b91ef48488bae9789f03cfedb148667fb (diff) | |
ublk: don't allow user copy for unprivileged device
UBLK_F_USER_COPY requires userspace to call write() on ublk char
device for filling request buffer, and unprivileged device can't
be trusted.
So don't allow user copy for unprivileged device.
Cc: stable@vger.kernel.org
Fixes: 1172d5b8beca ("ublk: support user copy")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241016134847.2911721-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'lib/lockref.c')
0 files changed, 0 insertions, 0 deletions