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Bluetooth: Audio: Add subgroup count check for broadcast sink

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The broadcast sink will now not attempt to decode BASEs with
more subgroups than what the broadcast sink can
actually decode.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen 2022-03-17 19:42:20 +01:00 • committed by Carles Cufí
commit 23e45c937a
1 changed files with 8 additions and 0 deletions
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8
subsys/bluetooth/audio/broadcast_sink.c
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@ -463,6 +463,14 @@ static bool pa_decode_base(struct bt_data *data, void *user_data)
codec_qos.pd = net_buf_simple_pull_le24(&net_buf); codec_qos.pd = net_buf_simple_pull_le24(&net_buf);
sink->subgroup_count = net_buf_simple_pull_u8(&net_buf); sink->subgroup_count = net_buf_simple_pull_u8(&net_buf);
if (sink->subgroup_count > ARRAY_SIZE(base.subgroups)) {
BT_DBG("Cannot decode BASE with %u subgroups (max supported is %ld)",
sink->subgroup_count, ARRAY_SIZE(base.subgroups));
return false;
}
base.subgroup_count = sink->subgroup_count; base.subgroup_count = sink->subgroup_count;
for (int i = 0; i < base.subgroup_count; i++) { for (int i = 0; i < base.subgroup_count; i++) {
if (!net_buf_decode_subgroup(&net_buf, &base.subgroups[i])) { if (!net_buf_decode_subgroup(&net_buf, &base.subgroups[i])) {