Bufp and buf_len are populated in extract_comb_phyerr_tlv without validating the buf_len which can cause possible out of bound access in dfs_phyerr_event_handler. Fix is to validate the buf_len against num_bufp in param_tlvs. Change-Id: I95e18d7600f8419f31e768fcc18c3024fe37b7db CRs-Fixed: 2321371