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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-12-23 20:39:14 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-01-13 23:13:05 +0100 |
| commit | fae588692c4a790f070482a71197531460e50be2 (patch) | |
| tree | 4cdd707c41404660465a128eaa4b78cc853bb280 | |
| parent | d3abd961eea8d33147c6477873ec8024abe8bc57 (diff) | |
| download | ffmpeg-fae588692c4a790f070482a71197531460e50be2.tar.gz | |
avcodec/apedec: fix integer overflow in 8bit samples
Fixes: signed integer overflow: 2147483542 + 128 cannot be represented in type 'int'
Fixes: 42812/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6344057861832704
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 7cee3b37187dbf61dbebff023f07ceedfc0129bb)
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 d5e087fab8..2a549c8fe4 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -1521,7 +1521,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data, for (ch = 0; ch < s->channels; ch++) { sample8 = (uint8_t *)frame->data[ch]; for (i = 0; i < blockstodecode; i++) - *sample8++ = (s->decoded[ch][i] + 0x80) & 0xff; + *sample8++ = (s->decoded[ch][i] + 0x80U) & 0xff; } break; case 16: |