Re: [PATCH] power: supply: lp8788: prevent out of bounds array access

From: Giedrius StatkeviÄius
Date: Sat Apr 08 2017 - 06:55:46 EST


Ping.

On Tue, Mar 28, 2017 at 2:23 AM, Kim, Milo <milo.kim@xxxxxx> wrote:
> On 3/26/2017 1:00 AM, Giedrius StatkeviÄius wrote:
>>
>> val might become 7 in which case stime[7] (array of length 7) would be
>> accessed during the scnprintf call later and that will cause issues.
>> Obviously, string concatenation is not intended here so just a comma needs
>> to be added to fix the issue.
>>
>> Signed-off-by: Giedrius StatkeviÄius <giedrius.statkevicius@xxxxxxxxx>
>
>
> Acked-by: Milo Kim <milo.kim@xxxxxx>
>
>
>> ---
>> drivers/power/supply/lp8788-charger.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/power/supply/lp8788-charger.c
>> b/drivers/power/supply/lp8788-charger.c
>> index 509e2b341bd6..677f7c40b25a 100644
>> --- a/drivers/power/supply/lp8788-charger.c
>> +++ b/drivers/power/supply/lp8788-charger.c
>> @@ -651,7 +651,7 @@ static ssize_t lp8788_show_eoc_time(struct device
>> *dev,
>> {
>> struct lp8788_charger *pchg = dev_get_drvdata(dev);
>> char *stime[] = { "400ms", "5min", "10min", "15min",
>> - "20min", "25min", "30min" "No timeout" };
>> + "20min", "25min", "30min", "No timeout" };
>> u8 val;
>>
>> lp8788_read_byte(pchg->lp, LP8788_CHG_EOC, &val);
>>
>