Commit a0e1cf8c authored May 16, 2022 by Alice Kuo

Only parse ATT_READ_BY_TYPE_RSP for the charactertistic type

We parse ATT_READ_BY_TYPE_RSP packet to know the ASE control point UUID,
so ignore the other packet and avoid the tool crash as the packer length
shorted than expected

Bug: 232731251
Test: ./dump_le_audio.py BTSNOOP.cfa -v --header
Change-Id: I314e8b7ff0e205a42f1f125c48b96a966191bed7
Merged-In: I314e8b7ff0e205a42f1f125c48b96a966191bed7
(cherry picked from commit 114d8036)

parent 36fb8ceb

system/tools/scripts/dump_le_audio.py

+4 −0

Original line number	Diff line number	Diff line
		@@ -215,6 +215,10 @@ def parse_codec_information(connection_handle, ase_id, packet):

		def parse_att_read_by_type_rsp(packet, connection_handle):
		length, packet = unpack_data(packet, 1, False)
		if length != 7:
		#ignore the packet, we're only interested in this packet for the characteristic type UUID
		return

		if length > len(packet):
		debug_print("Invalid att packet length")
		return