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avcodec/apac: Clean padding space

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Fixes: use-of-uninitialized-value
Fixes: 70842/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APAC_fuzzer-5758325067677696

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-08-04 21:20:55 +02:00
parent cba4e2e40d
commit 8ca072a373
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1 changed files with 1 additions and 0 deletions
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libavcodec/apac.c
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@ -159,6 +159,7 @@ static int apac_decode(AVCodecContext *avctx, AVFrame *frame,
buf = &s->bitstream[s->bitstream_index];
buf_size += s->bitstream_size;
s->bitstream_size = buf_size;
memset(buf + buf_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
frame->nb_samples = s->bitstream_size * 16 * 8;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)