Messages in this thread | | | Date | Mon, 17 Jun 2013 22:38:59 +0100 | From | Djalal Harouni <> | Subject | Re: [PATCH 1/2] Input: cyttsp - fix memcpy size param |
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(Cc'ed Kees and Greg)
Hi Dmitry,
On Fri, May 10, 2013 at 04:32:48PM +0300, Ferruh Yigit wrote: > 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> > --- > 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 8e60437..97ba891 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); > -- > 1.7.9.5 I was going to send a patch and found that it was just fixed in todays next-20130617
Anyway, will this overflow fix go for the next -rc?
Thanks in advance Dmitry!
-- Djalal Harouni http://opendz.org
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