| diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c |
| index 5de89cf0e..400ca8098 100644 |
| --- a/third_party/libopenjpeg20/j2k.c |
| +++ b/third_party/libopenjpeg20/j2k.c |
| @@ -5715,7 +5715,7 @@ static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image, OPJ_UI |
| |
| if (l_deco_array) { |
| l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps * p_image->numcomps; |
| - if (l_deco_array->m_data_size != l_data_size) { |
| + if (l_deco_array->m_data_size != l_data_size || ! l_deco_array->m_data) { |
| return OPJ_FALSE; |
| } |
| |
| @@ -5734,7 +5734,7 @@ static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image, OPJ_UI |
| |
| if (l_offset_array) { |
| l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] * p_image->numcomps; |
| - if (l_offset_array->m_data_size != l_data_size) { |
| + if (l_offset_array->m_data_size != l_data_size || ! l_offset_array->m_data) { |
| return OPJ_FALSE; |
| } |
| |