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Code Issues Releases Activity

avcodec/ivi: Check image dimensions

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Fixes integer overflow
Fixes: 1e32c6c591d940337c20b197ec1c4d3d/asan_heap-oob_4a52e5_8946_0bb0d9e863def56005e49f1d89bdc94d.avi

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-14 02:36:22 +01:00
parent 4e16ad2868
commit df91aa034b
1 changed files with 2 additions and 1 deletions
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3
libavcodec/ivi.c
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@ -30,6 +30,7 @@
#define BITSTREAM_READER_LE
#include "libavutil/attributes.h"
#include "libavutil/imgutils.h"
#include "libavutil/timer.h"
#include "avcodec.h"
#include "get_bits.h"
@ -310,7 +311,7 @@ av_cold int ff_ivi_init_planes(IVIPlaneDesc *planes, const IVIPicConfig *cfg,
ivi_free_buffers(planes);
if (cfg->pic_width < 1 || cfg->pic_height < 1 ||
if (av_image_check_size(cfg->pic_width, cfg->pic_height, 0, NULL) < 0 ||
cfg->luma_bands < 1 || cfg->chroma_bands < 1)
return AVERROR_INVALIDDATA;