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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-12-18 17:04:27 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-12-20 18:35:13 +0100 |
| commit | b7d063951d774db5833b7d65162a11dde8bcaeaf (patch) | |
| tree | bae5bb668fc81bc011c3f4f5c409e68594d6529d /libavcodec/apac.c | |
| parent | 8374a747af247d45eb466fcb4aee90f3ae798aad (diff) | |
| download | ffmpeg-b7d063951d774db5833b7d65162a11dde8bcaeaf.tar.gz | |
avcodec/apac: Sanity check bits_per_coded_sample
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 53931/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APAC_fuzzer-6072913738727424
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/apac.c')
| -rw-r--r-- | libavcodec/apac.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/apac.c b/libavcodec/apac.c index 030f81adce..3408f75292 100644 --- a/libavcodec/apac.c +++ b/libavcodec/apac.c @@ -75,7 +75,10 @@ static av_cold int apac_init(AVCodecContext *avctx) avctx->sample_fmt = AV_SAMPLE_FMT_U8P; if (avctx->ch_layout.nb_channels < 1 || - avctx->ch_layout.nb_channels > 2) + avctx->ch_layout.nb_channels > 2 || + avctx->bits_per_coded_sample < 8 || + avctx->bits_per_coded_sample > 16 + ) return AVERROR_INVALIDDATA; for (int ch = 0; ch < avctx->ch_layout.nb_channels; ch++) { |