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avformat/xwma: sanity check bits_per_coded_sample 

Fixes: signed integer overflow: 65312 * 524296 cannot be represented in type 'int'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_XWMA_fuzzer-6595971445555200

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-09-30 23:55:20 +02:00
parent 2d6df3719d
commit fe6ce28d11
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1 changed files with 1 additions and 1 deletions
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2
libavformat/xwma.c
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@ -151,7 +151,7 @@ static int xwma_read_header(AVFormatContext *s)
st->codecpar->ch_layout.nb_channels);
return AVERROR_INVALIDDATA;
}
if (!st->codecpar->bits_per_coded_sample) {
if (!st->codecpar->bits_per_coded_sample || st->codecpar->bits_per_coded_sample > 64) {
av_log(s, AV_LOG_WARNING, "Invalid bits_per_coded_sample: %d\n",
st->codecpar->bits_per_coded_sample);
return AVERROR_INVALIDDATA;