evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ASoC: msm: qdsp6v2: DAP: Add check to validate data length

Browse source 
Validate input data length to ensure only relevant data
is copied.

CRs-Fixed: 1027585
Change-Id: I67eb4f162f944bbf4d9e55fb8fe93759e6b8ff91
Signed-off-by: Ashish Jain <ashishj@codeaurora.org>
This commit is contained in:
Ashish Jain 2016-06-20 18:09:07 +05:30 • committed by Kyle Yan
parent 5812a73a14
commit 54588859db
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
sound/soc/msm/qdsp6v2/msm-ds2-dap-config.c
View file

@ -1522,6 +1522,14 @@ static int msm_ds2_dap_get_param(u32 cmd, void *arg)
goto end;
}
/* Return if invalid length */
if (dolby_data->length >
(DOLBY_MAX_LENGTH_INDIVIDUAL_PARAM - DOLBY_PARAM_PAYLOAD_SIZE)) {
pr_err("Invalid length %d", dolby_data->length);
rc = -EINVAL;
goto end;
}
for (i = 0; i < DS2_DEVICES_ALL; i++) {
if ((dev_map[i].active) &&
(dev_map[i].device_id & dolby_data->device_id)) {