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Merge "dsp: avtimer: validate payload size before memory copy"

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qctecmdr
2019-09-11 08:45:25 -07:00
gecommit door Gerrit - the friendly Code Review server
bovenliggende 018a061578 2e285bf25d
commit 8b6fa0c4b7
1 gewijzigde bestanden met toevoegingen van 12 en 0 verwijderingen
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12
dsp/avtimer.c
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@@ -89,6 +89,13 @@ static int32_t aprv2_core_fn_q(struct apr_client_data *data, void *priv)
}
payload1 = data->payload;
if (data->payload_size < 2 * sizeof(uint32_t)) {
pr_err("%s: payload has invalid size %d\n",
__func__, data->payload_size);
return -EINVAL;
}
switch (payload1[0]) {
case AVCS_CMD_REMOTE_AVTIMER_RELEASE_REQUEST:
pr_debug("%s: Cmd = TIMER RELEASE status[0x%x]\n",
@@ -114,6 +121,11 @@ static int32_t aprv2_core_fn_q(struct apr_client_data *data, void *priv)
}
case AVCS_CMD_RSP_REMOTE_AVTIMER_VOTE_REQUEST:
if (data->payload_size < sizeof(uint32_t)) {
pr_err("%s: payload has invalid size %d\n",
__func__, data->payload_size);
return -EINVAL;
}
payload1 = data->payload;
pr_debug("%s: RSP_REMOTE_AVTIMER_VOTE_REQUEST handle %x\n",
__func__, payload1[0]);