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avformat/subviewerdec: fail on AV_NOPTS_VALUE
Such values are not supported by ff_subtitles_queue* Fixes: signed integer overflow: 10 - -9223372036854775808 cannot be represented in type 'long' Fixes: 24193/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5714901855895552 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -148,6 +148,10 @@ static int subviewer_read_header(AVFormatContext *s)
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new_event = 1;
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pos = avio_tell(s->pb);
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} else if (*line) {
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if (pts_start == AV_NOPTS_VALUE) {
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res = AVERROR_INVALIDDATA;
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goto end;
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}
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if (!new_event) {
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sub = ff_subtitles_queue_insert(&subviewer->q, "\n", 1, 1);
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if (!sub) {
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