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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-26 20:55:31 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-09 13:53:29 +0200 |
| commit | 5a76224c8826b3b7719a97e47ac9d2120a0fc419 (patch) | |
| tree | cd7a5daf160e14ef8bbe9dd6f5078a6e8cdf0145 | |
| parent | 4ed66956584c881c29b1381fbd573adeaa5c4338 (diff) | |
| download | ffmpeg-5a76224c8826b3b7719a97e47ac9d2120a0fc419.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 7c701e0c70..413ae54748 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -398,6 +398,8 @@ 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); |