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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-11 20:28:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-13 19:51:46 +0200 |
| commit | bc8fe5c4bdb49218c5a0ecbccbea665ac7af3bbb (patch) | |
| tree | 27951257e58fb59853099ffab0115093681a0343 | |
| parent | 0dfda74afc8da0cdaa134f0a48b43698714948f0 (diff) | |
| download | ffmpeg-bc8fe5c4bdb49218c5a0ecbccbea665ac7af3bbb.tar.gz | |
avcodec/jpeg2000dwt: Fix runtime error: left shift of negative value -123
Fixes: 2208/clusterfuzz-testcase-minimized-5976593765761024
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 d24043e1a2f93f206a2ad59054f24f45ff023e5c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/jpeg2000dwt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dwt.c b/libavcodec/jpeg2000dwt.c index a46c93a9b2..2bb245d25b 100644 --- a/libavcodec/jpeg2000dwt.c +++ b/libavcodec/jpeg2000dwt.c @@ -488,7 +488,7 @@ static void dwt_decode97_int(DWTContext *s, int32_t *t) line += 5; for (i = 0; i < w * h; i++) - data[i] <<= I_PRESHIFT; + data[i] *= 1 << I_PRESHIFT; for (lev = 0; lev < s->ndeclevels; lev++) { int lh = s->linelen[lev][0], |