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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-15 20:49:17 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-19 03:51:39 +0100 |
| commit | f869846537472ec021bde3bef71c64e28f2085f7 (patch) | |
| tree | ef755817ebf448936c10cbd8b0fc912a110f3f7b | |
| parent | 8930b2d532c9ba1c7b7b0cdb7828acc0e13968c5 (diff) | |
| download | ffmpeg-f869846537472ec021bde3bef71c64e28f2085f7.tar.gz | |
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 a1a8cbcb35ef2759a66b4f0875785e4b3f277057)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/jpeg2000.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c index 2fe20387c1..2023978b0c 100644 --- a/libavcodec/jpeg2000.c +++ b/libavcodec/jpeg2000.c @@ -217,6 +217,11 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp, return AVERROR_INVALIDDATA; csize = (comp->coord[0][1] - comp->coord[0][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) { comp->i_data = NULL; |