check pointer overflow in t2.c
BUG=413375
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/624023003
diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c
index dd188c1..683d041 100644
--- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c
+++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c
@@ -1280,7 +1280,7 @@
}
else if (jp2->meth > 2)
{
- /* ISO/IEC 15444-1:2004 (E), Table I.9 Legal METH values:
+ /* ISO/IEC 15444-1:2004 (E), Table I.9 Legal METH values:
conforming JP2 reader shall ignore the entire Colour Specification box.*/
opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), "
"so we will ignore the entire Colour Specification box. \n", jp2->meth);
diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c
index f2a7c9a..cdd35e8 100644
--- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c
+++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c
@@ -1132,7 +1132,7 @@
do {
/* Check possible overflow (on l_current_data only, assumes input args already checked) then size */
- if (((OPJ_SIZE_T)(l_current_data + l_seg->newlen) < (OPJ_SIZE_T)l_current_data) || (l_current_data + l_seg->newlen > p_src_data + p_max_length)) {
+ if ((((OPJ_SIZE_T)l_current_data + (OPJ_SIZE_T)l_seg->newlen) < (OPJ_SIZE_T)l_current_data) || (l_current_data + l_seg->newlen > p_src_data + p_max_length)) {
fprintf(stderr, "read: segment too long (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n",
l_seg->newlen, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno);
return OPJ_FALSE;
