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author | Michael Niedermayer <michael@niedermayer.cc> | 2019-08-10 23:09:42 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-11-15 12:25:45 +0100 |
commit | dbc9f38aac161de909d55c534f6b7721fa33a9e1 (patch) | |
tree | 195f8158d8439d316a5b5c66cc8d2d0ec3caa542 /libavcodec | |
parent | e80c90eadba45349f89d85a1048cf08e95158c90 (diff) | |
download | ffmpeg-dbc9f38aac161de909d55c534f6b7721fa33a9e1.tar.gz |
avcodec/mpc8: Fix 32bit mask/enum
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 15817/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPC8_fuzzer-5636626409062400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e8bb949ade4078ca318a9b3475cb7a6cfc7e4639)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/mpc8.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c index 7e172a2181..faa22fce9a 100644 --- a/libavcodec/mpc8.c +++ b/libavcodec/mpc8.c @@ -62,7 +62,7 @@ static inline int mpc8_dec_enum(GetBitContext *gb, int k, int n) do { n--; if (code >= C[n]) { - bits |= 1 << n; + bits |= 1U << n; code -= C[n]; C -= 32; k--; |