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Commit 26e298cd authored by Hui Peng's avatar Hui Peng
Browse files

Fix an OOB bug in bnepu_process_peer_multicast_filter_set 

Bug: 278776319
Test: m com.android.btservices

Change-Id: Id0347dded5c785939ae0b4998d47de3ebe7804bd
parent b914dd51

system/stack/bnep/bnep_utils.cc

+4 −3
Original line number Diff line number Diff line
@@ -1076,11 +1076,12 @@ void bnepu_process_peer_multicast_filter_set(tBNEP_CONN* p_bcb, 
  }



  p_bcb->rcvd_mcast_filters = num_filters;

  p_temp_filters = p_filters;

  for (xx = 0; xx < num_filters; xx++) {

    memcpy(p_bcb->rcvd_mcast_filter_start[xx].address, p_filters, BD_ADDR_LEN);

    memcpy(p_bcb->rcvd_mcast_filter_end[xx].address, p_filters + BD_ADDR_LEN,

    memcpy(p_bcb->rcvd_mcast_filter_start[xx].address, p_temp_filters, BD_ADDR_LEN);

    memcpy(p_bcb->rcvd_mcast_filter_end[xx].address, p_temp_filters + BD_ADDR_LEN,

           BD_ADDR_LEN);

    p_filters += (BD_ADDR_LEN * 2);

    p_temp_filters += (BD_ADDR_LEN * 2);



    /* Check if any of the ranges have all zeros as both starting and ending

     * addresses */