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Unified Diff: third_party/libopenjpeg20/0001-image-data.patch

Issue 1416783002: Merge to M46: upgrade openjpeg to commit# cf352af (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@2490
Patch Set: Fix pdfium:168 since we are already half way there Created 5 years, 2 months ago
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Index: third_party/libopenjpeg20/0001-image-data.patch
diff --git a/third_party/libopenjpeg20/0001-image-data.patch b/third_party/libopenjpeg20/0001-image-data.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5ae0149538c276fc2b3f0bcdf31ca7675e399332
--- /dev/null
+++ b/third_party/libopenjpeg20/0001-image-data.patch
@@ -0,0 +1,26 @@
+diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
+index e612d06..d515798 100644
+--- a/third_party/libopenjpeg20/j2k.c
++++ b/third_party/libopenjpeg20/j2k.c
+@@ -8148,11 +8148,16 @@ static OPJ_BOOL opj_j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data,
+
+ /* Allocate output component buffer if necessary */
+ if (!l_img_comp_dest->data) {
+-
+- l_img_comp_dest->data = (OPJ_INT32*) opj_calloc((OPJ_SIZE_T)l_img_comp_dest->w * (OPJ_SIZE_T)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 */
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