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fix(ble/bluedroid): restore find info PDU stop on UUID format mismatch

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Restore GATT_NO_RESOURCES when sequential attributes have differing UUID
sizes so gatts_process_find_info() stops building the response PDU.


(cherry picked from commit 196cb39545)

Co-authored-by: zhanghaipeng <zhanghaipeng@espressif.com>
This commit is contained in:
Zhang Hai Peng
2026-08-26 14:43:44 +08:00
committed by BLE BOT
parent ac13ee6d78
commit 64ce538c71
1 changed files with 5 additions and 3 deletions
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8
components/bt/host/bluedroid/stack/gatt/gatt_sr.c
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@@ -1041,7 +1041,7 @@ static tGATT_STATUS gatt_build_primary_service_rsp (BT_HDR *p_msg, tGATT_TCB *p_
** buffer.
**
** Returns TRUE: if data filled successfully.
** FALSE: packet full.
** FALSE: packet full, or format mismatch.
**
*******************************************************************************/
static tGATT_STATUS gatt_build_find_info_rsp(tGATT_SR_REG *p_rcb, BT_HDR *p_msg, UINT16 *p_len,
@@ -1084,8 +1084,10 @@ static tGATT_STATUS gatt_build_find_info_rsp(tGATT_SR_REG *p_rcb, BT_HDR *p_msg,
gatt_convert_uuid32_to_uuid128(p, ((tGATT_ATTR32 *) p_attr)->uuid);
p += LEN_UUID_128;
} else {
// UUID format mismatch in sequential attributes
// A new request will be sent with the starting handle of the next attribute
/* UUID format mismatch in sequential attributes: end this PDU so the
* client sends a new ATT_FIND_INFORMATION_REQ from the next handle.
* GATT_NO_RESOURCES is internal flow control (not an ATT error). */
status = GATT_NO_RESOURCES;
break;
}
p_msg->len += info_pair_len[p_msg->offset - 1];