blob: ac755ed03daf649a43aa1f4011c921e52b4901d1 (
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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)
{
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