Re: [patch] max17042_battery: fix a couple buffer overflows

From: Anton Vorontsov
Date: Fri May 04 2012 - 22:28:03 EST


On Thu, Mar 15, 2012 at 10:20:34AM -0700, Dirk Brandewie wrote:
> On 03/15/2012 04:37 AM, Dan Carpenter wrote:
> >There are a couple issues here caused by confusion between sizeof()
> >and ARRAY_SIZE(). "table_size" should be the number of elements, but we
> >should allocate it with kcalloc() so that we allocate the correct number
> >of bytes.
> >
> >In max17042_init_model() we don't allocate enough space so we go past
> >the end of the array in max17042_read_model_data() and
> >max17042_model_data_compare().
> >
> >In max17042_verify_model_lock() we allocate the right amount of space
> >but we call max17042_read_model_data() with the wrong number of elements
> >and also in the for loop we go past the end of the array.
> >
> >Signed-off-by: Dan Carpenter<dan.carpenter@xxxxxxxxxx>
> Acked-by: Dirk Brandewie <dirk.brandewie@xxxxxxxxx>
>
> Typo in first ack :-(

Applied, thanks! :-)

--
Anton Vorontsov
Email: cbouatmailru@xxxxxxxxx
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