[FFmpeg-cvslog] avcodec/jpeg2000: Use av_image_check_size() in ff_jpeg2000_init_component( )

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Nov 15 20:03:39 2015 +0100| [016fd413f9168816924f21c0c1ffb578f7226221] | committer: Michael Niedermayer

avcodec/jpeg2000: Use av_image_check_size() in ff_jpeg2000_init_component()

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=016fd413f9168816924f21c0c1ffb578f7226221
---

 libavcodec/jpeg2000.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c
index d9869fd..a1ef396 100644
--- a/libavcodec/jpeg2000.c
+++ b/libavcodec/jpeg2000.c
@@ -28,6 +28,7 @@
 #include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/common.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/mem.h"
 #include "avcodec.h"
 #include "jpeg2000.h"
@@ -461,7 +462,10 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
                                    codsty->nreslevels2decode - 1,
                                    codsty->transform))
         return ret;
-    // component size comp->coord is uint16_t so ir cannot overflow
+
+    if (av_image_check_size(comp->coord[0][1] - comp->coord[0][0],
+                            comp->coord[1][1] - comp->coord[1][0], 0, avctx))
+        return AVERROR_INVALIDDATA;
     csize = (comp->coord[0][1] - comp->coord[0][0]) *
             (comp->coord[1][1] - comp->coord[1][0]);