Fix a crashier due to images with abnormal size
BUG=453553
R=thestig@chromium.org, tsepez@chromium.org
Review URL: https://codereview.chromium.org/1093323003
(cherry picked from commit ba920211c9569a38a4494398ac271a32098d81da)
Review URL: https://codereview.chromium.org/1105683004
diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c
index f944ad1..73dc5ab 100644
--- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c
+++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c
@@ -8008,14 +8008,18 @@
l_img_comp_dest = p_output_image->comps;
for (i=0; i<l_image_src->numcomps; i++) {
-
/* Allocate output component buffer if necessary */
if (!l_img_comp_dest->data) {
-
- l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(l_img_comp_dest->w * l_img_comp_dest->h, sizeof(OPJ_INT32));
- if (! l_img_comp_dest->data) {
- return OPJ_FALSE;
- }
+ OPJ_UINT32 width = l_img_comp_dest->w;
+ OPJ_UINT32 height = l_img_comp_dest->h;
+ const OPJ_UINT32 MAX_SIZE = UINT32_MAX / sizeof(OPJ_INT32);
+ if (height == 0 || width > MAX_SIZE / height) {
+ return OPJ_FALSE;
+ }
+ l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(width * height, sizeof(OPJ_INT32));
+ if (!l_img_comp_dest->data) {
+ return OPJ_FALSE;
+ }
}
/* Copy info from decoded comp image to output image */
