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qcacld-3.0: Check for number of entries in fw profiling

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Number of profile data from firmware cannot be trusted. Check for
number of entries against the metadata in TLV header.

Change-Id: I0d8078f623a97e33ee1689398c291be75fe9a62a
CRs-Fixed: 2119391
This commit is contained in:
Amar Singhal 2017-10-04 13:24:00 -07:00 • committed by snandini
commit 4bd222369a
1 changed files with 8 additions and 0 deletions
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8
core/wma/src/wma_utils.c
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@ -520,6 +520,14 @@ int wma_profile_data_report_event_handler(void *handle, uint8_t *event_buf,
buf_ptr = buf_ptr + sizeof(wmi_wlan_profile_ctx_t) + WMI_TLV_HDR_SIZE;
profile_data = (wmi_wlan_profile_t *) buf_ptr;
entries = profile_ctx->bin_count;
if (entries > param_buf->num_profile_data) {
WMA_LOGE("FW bin count %d more than data %d in TLV hdr",
entries,
param_buf->num_profile_data);
return -EINVAL;
}
QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
"Profile data stats\n");
QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,