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Merge "dsp: q6voice: Check size of shared memory buffer before access"

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2019-03-14 06:55:16 -07:00
committed by Gerrit - the friendly Code Review server
parent 59342f5264 0714ffdfcb
commit ae8bc1e1f2
1 changed files with 5 additions and 0 deletions
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dsp/q6voice.c
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@@ -7740,6 +7740,11 @@ static int32_t qdsp_cvs_callback(struct apr_client_data *data, void *priv)
cvs_voc_pkt = v->shmem_info.sh_buf.buf[1].data; cvs_voc_pkt = v->shmem_info.sh_buf.buf[1].data;
if (cvs_voc_pkt != NULL && common.mvs_info.ul_cb != NULL) { if (cvs_voc_pkt != NULL && common.mvs_info.ul_cb != NULL) {
if (v->shmem_info.sh_buf.buf[1].size <
((3 * sizeof(uint32_t)) + cvs_voc_pkt[2])) {
pr_err("%s: invalid voc pkt size\n", __func__);
return -EINVAL;
}
/* cvs_voc_pkt[0] contains tx timestamp */ /* cvs_voc_pkt[0] contains tx timestamp */
common.mvs_info.ul_cb((uint8_t *)&cvs_voc_pkt[3], common.mvs_info.ul_cb((uint8_t *)&cvs_voc_pkt[3],
cvs_voc_pkt[2], cvs_voc_pkt[2],