| diff --git a/third_party/libopenjpeg20/pi.c b/third_party/libopenjpeg20/pi.c | |
| index 1697bcb..06f1e41 100644 | |
| --- a/third_party/libopenjpeg20/pi.c | |
| +++ b/third_party/libopenjpeg20/pi.c | |
| @@ -36,6 +36,7 @@ | |
| * POSSIBILITY OF SUCH DAMAGE. | |
| */ | |
| +#include <limits.h> | |
| #include "opj_includes.h" | |
| /** @defgroup PI PI - Implementation of a packet iterator */ | |
| @@ -1236,7 +1237,13 @@ opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image, | |
| l_current_pi = l_pi; | |
| /* memory allocation for include */ | |
| - l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16)); | |
| + l_current_pi->include = 00; | |
| + if | |
| + (l_step_l && l_tcp->numlayers < UINT_MAX / l_step_l - 1) | |
| + { | |
| + l_current_pi->include = (OPJ_INT16*)opj_calloc((l_tcp->numlayers + 1) * l_step_l, sizeof(OPJ_INT16)); | |
| + } | |
| + | |
| if | |
| (!l_current_pi->include) | |
| { |