From 09b304035423409ce18d731995fa3b921d54f9b5 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 31 Jan 2021 22:42:54 +0100 Subject: [PATCH] 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 --- libavformat/cinedec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/cinedec.c b/libavformat/cinedec.c index c6c0d927ee..e5c6468c39 100644 --- a/libavformat/cinedec.c +++ b/libavformat/cinedec.c @@ -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->internal->nb_index_entries) return AVERROR_EOF; avio_seek(pb, st->internal->index_entries[cine->pts].pos, SEEK_SET);