diff options
| -rw-r--r-- | stack/gatt/att_protocol.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/stack/gatt/att_protocol.cc b/stack/gatt/att_protocol.cc index 87da319d8..e7d22c508 100644 --- a/stack/gatt/att_protocol.cc +++ b/stack/gatt/att_protocol.cc @@ -159,8 +159,14 @@ static BT_HDR* attp_build_read_by_type_value_cmd( uint16_t payload_size, tGATT_FIND_TYPE_VALUE* p_value_type) { uint8_t* p; uint16_t len = p_value_type->value_len; - BT_HDR* p_buf = - (BT_HDR*)osi_malloc(sizeof(BT_HDR) + payload_size + L2CAP_MIN_OFFSET); + BT_HDR* p_buf = nullptr; + + if (payload_size < 5) { + return nullptr; + } + + p_buf = + (BT_HDR*)osi_malloc(sizeof(BT_HDR) + payload_size + L2CAP_MIN_OFFSET); p = (uint8_t*)(p_buf + 1) + L2CAP_MIN_OFFSET; p_buf->offset = L2CAP_MIN_OFFSET; |