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avformat/matroskadec: Assert that num_levels is non negative

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Maybe Closes: CID1452496 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 019fce18bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-06-03 01:25:59 +02:00
parent 31cf3e5eb3
commit 9110293732
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1 changed files with 1 additions and 1 deletions
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libavformat/matroskadec.c
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@ -3710,7 +3710,7 @@ static int matroska_parse_cluster(MatroskaDemuxContext *matroska)
MatroskaBlock *block = &cluster->block;
int res;
av_assert0(matroska->num_levels <= 2);
av_assert0(matroska->num_levels <= 2U);
if (matroska->num_levels == 1) {
res = ebml_parse(matroska, matroska_segment, NULL);