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author | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-20 22:35:37 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-11-18 02:35:03 +0100 |
commit | 353ef58a8279d3c3a45fe18d1245d84cb843eb18 (patch) | |
tree | 8f5a8125de14148c4c426f869626d2d062f212de /libavcodec | |
parent | 1effc4baa19de9ee203c7bc4b55a71270aeb3eef (diff) | |
download | ffmpeg-353ef58a8279d3c3a45fe18d1245d84cb843eb18.tar.gz |
avcodec/jpeg2000dec: Fix off by 1 error in JPEG2000_PGOD_CPRL handling
Fixes: assertion failure
Fixes: 10785/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5672160496975872
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 305e523105f6f59e7572050f19edc9f4671c036c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/jpeg2000dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index ba62aa7b10..9e0a0cb933 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -1128,7 +1128,7 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2 step_x = 32; step_y = 32; - if (RSpoc > FFMIN(codsty->nreslevels, REpoc)) + if (RSpoc >= FFMIN(codsty->nreslevels, REpoc)) continue; for (reslevelno = RSpoc; reslevelno < FFMIN(codsty->nreslevels, REpoc); reslevelno++) { |