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

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-15 20:03:39 +01:00
parent a01046c90c
commit 016fd413f9
1 changed files with 5 additions and 1 deletions
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6
libavcodec/jpeg2000.c
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@ -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]);