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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-16 11:26:57 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-02 19:41:48 +0100 |
| commit | 43ced88379a5cbcc2ffcda5fd43fdd990bf4754c (patch) | |
| tree | 25c23d97cea6df96ad07d28272c8e356d56471a5 | |
| parent | 1b491fbf2505a93c5326e482eb91ebd496644383 (diff) | |
| download | ffmpeg-43ced88379a5cbcc2ffcda5fd43fdd990bf4754c.tar.gz | |
avcodec/apedec: Add k < 24 check to the only k++ case which lacks such a check
Fixes: 15255/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5718831688843264
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
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 3d4f4f4a15e79c96c3613e5c252b2f5cc4190e18)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/apedec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 0dbde8276e..1b1d112551 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -460,7 +460,7 @@ static inline void update_rice(APERice *rice, unsigned int x) if (rice->ksum < lim) rice->k--; - else if (rice->ksum >= (1 << (rice->k + 5))) + else if (rice->ksum >= (1 << (rice->k + 5)) && rice->k < 24) rice->k++; } |