virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-09-16 08:36:51 +02:00
Code Issues Releases Activity

avformat/iff: Check block align also for ID_MAUD

Browse Source 
Fixes: Timeout & OOM
Fixes: 28701/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5185094964871168
Fixes: 29116/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4874284795297792

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 b17ffe8f8f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2021-01-02 00:58:42 +01:00
parent 7e35903d42
commit a73efe3894
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/iff.c
View File

@@ -763,7 +763,7 @@ static int iff_read_header(AVFormatContext *s)
st->codecpar->bits_per_coded_sample = av_get_bits_per_sample(st->codecpar->codec_id);
st->codecpar->bit_rate = (int64_t)st->codecpar->channels * st->codecpar->sample_rate * st->codecpar->bits_per_coded_sample;
st->codecpar->block_align = st->codecpar->channels * st->codecpar->bits_per_coded_sample;
if (st->codecpar->codec_tag == ID_DSD && st->codecpar->block_align <= 0)
if ((st->codecpar->codec_tag == ID_DSD || st->codecpar->codec_tag == ID_MAUD) && st->codecpar->block_align <= 0)
return AVERROR_INVALIDDATA;
break;