Fixes: division by 0 Fixes: 418396712/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-6104388018176000 Fixes: 418478219/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4569544410857472
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/iff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/iff.c b/libavformat/iff.c index 9402be48c98..4ff10beb38a 100644 --- a/libavformat/iff.c +++ b/libavformat/iff.c @@ -284,7 +284,7 @@ static int parse_dsd_prop(AVFormatContext *s, AVStream *st, uint64_t eof) return AVERROR_INVALIDDATA; st->codecpar->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC; st->codecpar->ch_layout.nb_channels = avio_rb16(pb); - if (size < 2 + st->codecpar->ch_layout.nb_channels * 4) + if (size < 2 + st->codecpar->ch_layout.nb_channels * 4 || !st->codecpar->ch_layout.nb_channels) return AVERROR_INVALIDDATA; if (st->codecpar->ch_layout.nb_channels > FF_ARRAY_ELEMS(dsd_layout)) { avpriv_request_sample(s, "channel layout"); -- 2.49.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
