mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/jpeg2000: Check comp coords to be within the supported size
Fixes assertion failure
Fixes: 03e0abe721b1174856d41a1eb5d6a896/signal_sigabrt_7ffff6ae7cc9_3813_e71bf3541abed3ccba031cd5ba0269a4.avi
This fix is choosen to be simple to backport, better solution
for master is planed
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a1a8cbcb35
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -217,6 +217,11 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
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return AVERROR_INVALIDDATA;
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return AVERROR_INVALIDDATA;
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csize = (comp->coord[0][1] - comp->coord[0][0]) *
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csize = (comp->coord[0][1] - comp->coord[0][0]) *
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(comp->coord[1][1] - comp->coord[1][0]);
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(comp->coord[1][1] - comp->coord[1][0]);
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if (comp->coord[0][1] > 32768 ||
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comp->coord[1][1] > 32768) {
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av_log(avctx, AV_LOG_ERROR, "component size too large\n");
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return AVERROR_PATCHWELCOME;
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}
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if (codsty->transform == FF_DWT97) {
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if (codsty->transform == FF_DWT97) {
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comp->i_data = NULL;
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comp->i_data = NULL;
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