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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-08-10 23:09:42 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-04 20:26:35 +0200 |
| commit | 4eef201e151ba54310d3fbf8e5d14c70dcc91238 (patch) | |
| tree | 2a7805acb520704d6d23c5625adda449f3612324 | |
| parent | ebc43bef1fc6b2ebccb57385a0ef0376be4804bc (diff) | |
| download | ffmpeg-4eef201e151ba54310d3fbf8e5d14c70dcc91238.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>
| -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 d7baac2f04..03838a9351 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--; |