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Commit 41b34ade authored by Pavlin Radoslavov's avatar Pavlin Radoslavov
Browse files

Add packet length check for received AVCTP packets 

Bug: 79944113
Test: Manual: Custom test program and extra logging
Change-Id: Icde465fed723bf876ce3885d11099fddcb92de81
Merged-In: Icde465fed723bf876ce3885d11099fddcb92de81
(cherry picked from commit 2a934acf498a6b715cc7c634123aa403a70fe9e6)
parent cd26caf8

system/stack/avct/avct_bcb_act.cc

+9 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
*

 *****************************************************************************/



#include <log/log.h>

#include <string.h>

#include "avct_api.h"

#include "avct_int.h"
@@ -517,6 +518,14 @@ void avct_bcb_msg_ind(tAVCT_BCB* p_bcb, tAVCT_LCB_EVT* p_data) { 
    return;

  }



  if (p_data->p_buf->len < AVCT_HDR_LEN_SINGLE) {

    AVCT_TRACE_WARNING("Invalid AVCTP packet length %d: must be at least %d",

                       p_data->p_buf->len, AVCT_HDR_LEN_SINGLE);

    osi_free_and_reset((void**)&p_data->p_buf);

    android_errorWriteLog(0x534e4554, "79944113");

    return;

  }



  p = (uint8_t*)(p_data->p_buf + 1) + p_data->p_buf->offset;



  /* parse header byte */