Index: third_party/libopenjpeg20/0011-j2k_update_image_data.patch |
diff --git a/third_party/libopenjpeg20/0011-j2k_update_image_data.patch b/third_party/libopenjpeg20/0011-j2k_update_image_data.patch |
new file mode 100644 |
index 0000000000000000000000000000000000000000..697c48f18b0f1605ea02c4b94993ab16de46e6e4 |
--- /dev/null |
+++ b/third_party/libopenjpeg20/0011-j2k_update_image_data.patch |
@@ -0,0 +1,17 @@ |
+diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c |
+index b20f219..9056feb 100644 |
+--- a/third_party/libopenjpeg20/j2k.c |
++++ b/third_party/libopenjpeg20/j2k.c |
+@@ -8211,6 +8211,12 @@ static OPJ_BOOL opj_j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data, |
+ * */ |
+ assert( l_res->x0 >= 0); |
+ assert( l_res->x1 >= 0); |
++ |
++ /* Prevent bad casting to unsigned values in the subsequent lines. */ |
++ if ( l_res->x0 < 0 || l_res->x1 < 0 || l_res->y0 < 0 || l_res->y1 < 0 ) { |
++ return OPJ_FALSE; |
++ } |
++ |
+ if ( l_x0_dest < (OPJ_UINT32)l_res->x0 ) { |
+ l_start_x_dest = (OPJ_UINT32)l_res->x0 - l_x0_dest; |
+ l_offset_x0_src = 0; |