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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-24 15:41:16 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-08 21:31:50 +0200 |
| commit | ce60ee3e5c650dfaee4a2343c208960413eb75d1 (patch) | |
| tree | 6162dc3f06fdee44f14a83b6a39402711b237e47 | |
| parent | 982654b90c8d33e3c15567b09fff719545470188 (diff) | |
| download | ffmpeg-ce60ee3e5c650dfaee4a2343c208960413eb75d1.tar.gz | |
avformat/iff: Use 64bit in duration computation
Fixes: signed integer overflow: 588 * 16719904 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-6748331936186368
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 93d964689c3b2bae26e6e3f502c1ffc4c2e46989)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/iff.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/iff.c b/libavformat/iff.c index b07b6c8b18..c15302d3c5 100644 --- a/libavformat/iff.c +++ b/libavformat/iff.c @@ -385,7 +385,7 @@ static int read_dst_frame(AVFormatContext *s, AVPacket *pkt) avio_skip(pb, 1); pkt->flags |= AV_PKT_FLAG_KEY; pkt->stream_index = 0; - pkt->duration = 588 * s->streams[0]->codecpar->sample_rate / 44100; + pkt->duration = 588LL * s->streams[0]->codecpar->sample_rate / 44100; pkt->pos = chunk_pos; chunk_pos = avio_tell(pb); |