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| author | Anderson Lizardo <anderson.lizardo@openbossa.org> | 2013-01-06 18:28:53 -0400 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2013-01-09 17:39:05 -0200 |
| commit | 0a9ab9bdb3e891762553f667066190c1d22ad62b (patch) | |
| tree | 1a576d1b736c6aba50cb3f7620f3a03de2261c15 /drivers/bluetooth | |
| parent | 2582d529c44d12502a700f1c3db062b9f44679bc (diff) | |
Bluetooth: Fix incorrect strncpy() in hidp_setup_hid()
The length parameter should be sizeof(req->name) - 1 because there is no
guarantee that string provided by userspace will contain the trailing
'\0'.
Can be easily reproduced by manually setting req->name to 128 non-zero
bytes prior to ioctl(HIDPCONNADD) and checking the device name setup on
input subsystem:
$ cat /sys/devices/pnp0/00\:04/tty/ttyS0/hci0/hci0\:1/input8/name
AAAAAA[...]AAAAAAAAf0:af:f0:af:f0:af
("f0:af:f0:af:f0:af" is the device bluetooth address, taken from "phys"
field in struct hid_device due to overflow.)
Cc: stable@vger.kernel.org
Signed-off-by: Anderson Lizardo <anderson.lizardo@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Diffstat (limited to 'drivers/bluetooth')
0 files changed, 0 insertions, 0 deletions