Merge "Add a missing check for PAN buffer size before copying data" into oc-dev (6793b8e5) · Commits · e / os / android_packages_modules_Bluetooth

system/bta/pan/bta_pan_act.cc

+10 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,8 @@

		#include <string.h>

		#include <cutils/log.h>

		#include "bt_common.h"
		#include "bta_api.h"
		#include "bta_pan_api.h"
		@@ -174,6 +176,14 @@ static void bta_pan_data_buf_ind_cback(uint16_t handle, BD_ADDR src,

		if (sizeof(tBTA_PAN_DATA_PARAMS) > p_buf->offset) {
		/* offset smaller than data structure in front of actual data */
		if (sizeof(BT_HDR) + sizeof(tBTA_PAN_DATA_PARAMS) + p_buf->len >
		PAN_BUF_SIZE) {
		android_errorWriteLog(0x534e4554, "63146237");
		APPL_TRACE_ERROR("%s: received buffer length too large: %d", __func__,
		p_buf->len);
		osi_free(p_buf);
		return;
		}
		p_new_buf = (BT_HDR*)osi_malloc(PAN_BUF_SIZE);
		memcpy((uint8_t*)(p_new_buf + 1) + sizeof(tBTA_PAN_DATA_PARAMS),
		(uint8_t*)(p_buf + 1) + p_buf->offset, p_buf->len);