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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-26 20:55:31 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-02 14:18:21 +0100 |
| commit | d96cf0e324bc72bdc9559389ae9abbafb77d2490 (patch) | |
| tree | ab7083bc32bbd9430779d96f3c4bc7f093ed3e65 | |
| parent | 43e48492264ae9553064971dd959f6cc8597881f (diff) | |
| download | ffmpeg-d96cf0e324bc72bdc9559389ae9abbafb77d2490.tar.gz | |
avformat/aiffdec: Check packet size
Fixes: Fixes infinite loop
Fixes: 26575/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-5727522236661760
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0ba71a72d3a617b255b71988a000d5093222f779)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/aiffdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index c650e9074d..15733478e1 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -406,6 +406,8 @@ static int aiff_read_packet(AVFormatContext *s, break; default: size = st->codecpar->block_align ? (MAX_SIZE / st->codecpar->block_align) * st->codecpar->block_align : MAX_SIZE; + if (!size) + return AVERROR_INVALIDDATA; } size = FFMIN(max_size, size); res = av_get_packet(s->pb, pkt, size); |