Messages in this thread Patch in this message | | | From | Luis Henriques <> | Subject | [PATCH 26/50] Input: cyttsp - fix memcpy size param | Date | Tue, 2 Jul 2013 12:07:14 +0100 |
| |
3.5.7.16 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Ferruh Yigit <fery@cypress.com>
commit d2983cdb480157f637df07723f28aaa657b1080d upstream.
memcpy param is wrong because of offset in bl_cmd, this may corrupt the stack which may cause a crash.
Tested-by: Ferruh Yigit <fery@cypress.com> on TMA300-DVK Signed-off-by: Ferruh Yigit <fery@cypress.com> Acked-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/input/touchscreen/cyttsp_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c index f030d9e..3f505d5 100644 --- a/drivers/input/touchscreen/cyttsp_core.c +++ b/drivers/input/touchscreen/cyttsp_core.c @@ -133,7 +133,7 @@ static int cyttsp_exit_bl_mode(struct cyttsp *ts) memcpy(bl_cmd, bl_command, sizeof(bl_command)); if (ts->pdata->bl_keys) memcpy(&bl_cmd[sizeof(bl_command) - CY_NUM_BL_KEYS], - ts->pdata->bl_keys, sizeof(bl_command)); + ts->pdata->bl_keys, CY_NUM_BL_KEYS); error = ttsp_write_block_data(ts, CY_REG_BASE, sizeof(bl_cmd), bl_cmd); -- 1.8.1.2
| |