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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-07 03:36:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | 3fd8e79dc97a5f9e57fc39082e2430c7c0ccbb3c (patch) | |
| tree | 3229f5604fef2dc517e092bfea94b3a77993b0d9 | |
| parent | cbd00368567c40e9557ef7034d0f1b89cdb445e1 (diff) | |
| download | ffmpeg-3fd8e79dc97a5f9e57fc39082e2430c7c0ccbb3c.tar.gz | |
avcodec/dvdsubdec: Fixes 2 runtime error: left shift of 170 by 24 places cannot be represented in type 'int'
Fixes: 619/clusterfuzz-testcase-5803914534322176
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 61ee2ca7758672128e30b3e87908b6845e006d71)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/dvdsubdec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c index 42ee50a524..b2f7e90700 100644 --- a/libavcodec/dvdsubdec.c +++ b/libavcodec/dvdsubdec.c @@ -189,12 +189,12 @@ static void guess_palette(DVDSubContext* ctx, r = (((subtitle_color >> 16) & 0xff) * level) >> 8; g = (((subtitle_color >> 8) & 0xff) * level) >> 8; b = (((subtitle_color >> 0) & 0xff) * level) >> 8; - rgba_palette[i] = b | (g << 8) | (r << 16) | ((alpha[i] * 17) << 24); + rgba_palette[i] = b | (g << 8) | (r << 16) | ((alpha[i] * 17U) << 24); color_used[colormap[i]] = (i + 1); j++; } else { rgba_palette[i] = (rgba_palette[color_used[colormap[i]] - 1] & 0x00ffffff) | - ((alpha[i] * 17) << 24); + ((alpha[i] * 17U) << 24); } } } |