dsp: q6voice: Check size of shared memory buffer before access
Check buffer size in qdsp_cvs_callback before access in ul_pkt. Change-Id: Ic19994b46086709231656ec747d2df988b7a512f Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
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@ -6452,6 +6452,11 @@ static int32_t qdsp_cvs_callback(struct apr_client_data *data, void *priv)
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cvs_voc_pkt = v->shmem_info.sh_buf.buf[1].data;
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if (cvs_voc_pkt != NULL && common.mvs_info.ul_cb != NULL) {
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if (v->shmem_info.sh_buf.buf[1].size <
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((3 * sizeof(uint32_t)) + cvs_voc_pkt[2])) {
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pr_err("%s: invalid voc pkt size\n", __func__);
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return -EINVAL;
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}
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/* cvs_voc_pkt[0] contains tx timestamp */
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common.mvs_info.ul_cb((uint8_t *)&cvs_voc_pkt[3],
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cvs_voc_pkt[2],
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