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avformat/cinedec: Fix index_entries size check 

Fixes: out of array access
Fixes: 29868/clusterfuzz-testcase-minimized-ffmpeg_dem_CINE_fuzzer-5692001957445632

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-01-31 22:42:54 +01:00
parent bade86f679
commit f9b3aa07be
1 changed files with 1 additions and 1 deletions
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2
libavformat/cinedec.c
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@ -288,7 +288,7 @@ static int cine_read_packet(AVFormatContext *avctx, AVPacket *pkt)
AVIOContext *pb = avctx->pb;
int n, size, ret;
if (cine->pts >= st->duration)
if (cine->pts >= st->nb_index_entries)
return AVERROR_EOF;
avio_seek(pb, st->index_entries[cine->pts].pos, SEEK_SET);