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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-26 20:55:31 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-10 16:04:26 +0200 |
| commit | c1574b35c32a5869d71476c72d57258d403d53ec (patch) | |
| tree | b89c815401d823ff3f0d0d510f0e8825da3673f5 | |
| parent | fa31c57838fd92ef47283a47273abc323d5530c3 (diff) | |
| download | ffmpeg-c1574b35c32a5869d71476c72d57258d403d53ec.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 fcedb0a804..e96f808dea 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); |