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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-02-11 23:56:45 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-04-23 21:29:01 +0200 |
| commit | bc1e30adc6cc29720a73ee805b5f82b8e90fe009 (patch) | |
| tree | 7ab3c9c00e8cee719a1d05e97b01215cada86589 | |
| parent | efaa2a05c0c68dc2404e7d977dc17a86e042701d (diff) | |
| download | ffmpeg-bc1e30adc6cc29720a73ee805b5f82b8e90fe009.tar.gz | |
avcodec/apedec: Fix invalid shift with 24 bps
Fixes: left shift of negative value -463
Fixes: 20542/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5688714435231744
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 8e278672294f28a3feaba0a38460afd51f0fadda)
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 0958dd2ef7..c00b53e675 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -1535,7 +1535,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data, for (ch = 0; ch < s->channels; ch++) { sample24 = (int32_t *)frame->data[ch]; for (i = 0; i < blockstodecode; i++) - *sample24++ = s->decoded[ch][i] << 8; + *sample24++ = s->decoded[ch][i] * 256; } break; } |