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Code Issues Releases Activity

avcodec/jpeg2000: Check comp coords to be within the supported size

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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 a1a8cbcb35ef2759a66b4f0875785e4b3f277057)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-15 20:49:17 +01:00
parent d972df307a
commit a9c73b13c1
1 changed files with 5 additions and 0 deletions
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5
libavcodec/jpeg2000.c
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@ -217,6 +217,11 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
csize = (comp->coord[0][1] - comp->coord[0][0]) * csize = (comp->coord[0][1] - comp->coord[0][0]) *
(comp->coord[1][1] - comp->coord[1][0]); (comp->coord[1][1] - comp->coord[1][0]);
if (comp->coord[0][1] > 32768 ||
comp->coord[1][1] > 32768) {
av_log(avctx, AV_LOG_ERROR, "component size too large\n");
return AVERROR_PATCHWELCOME;
}
if (codsty->transform == FF_DWT97) { if (codsty->transform == FF_DWT97) {
comp->i_data = NULL; comp->i_data = NULL;