diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-11 20:28:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-11 20:52:47 +0200 |
| commit | d24043e1a2f93f206a2ad59054f24f45ff023e5c (patch) | |
| tree | af6e801f7236566ce2ccf1be03e64caa6865a4d2 /libavcodec | |
| parent | c996374d4d86e0efbef71812448b4c65656bc667 (diff) | |
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>
Diffstat (limited to 'libavcodec')
| -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 188cc261a4..735ed0b1dc 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], |