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ALSA: ak4xx-adda: info leak in ak4xxx_capture_source_info()

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"idx" is controled by the user and can be a negative offset into the
input_names[] array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Dan Carpenter 2013-06-26 10:52:20 +03:00 committed by Takashi Iwai
parent f02fe86199
commit bd5fe738e3
1 changed files with 1 additions and 1 deletions
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2
sound/i2c/other/ak4xxx-adda.c
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@ -571,7 +571,7 @@ static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
const char **input_names;
int num_names, idx;
unsigned int num_names, idx;
num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
if (!num_names)