avcodec/jpeg2000dec: Check for duplicate SIZ marker
Fixes: 0231a17345734228011c6f35a64e4594/asan_heap-oob_1d92a72_3218_1213809a9e3affec77e4c191fdfdc0a9.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 44a7f17d0b20e6f8d836b2957e3e357b639f19a2) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -1400,6 +1400,7 @@ static void jpeg2000_dec_cleanup(Jpeg2000DecoderContext *s)
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memset(s->codsty, 0, sizeof(s->codsty));
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memset(s->qntsty, 0, sizeof(s->qntsty));
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s->numXtiles = s->numYtiles = 0;
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s->ncomponents = 0;
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}
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static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
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@ -1454,6 +1455,10 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
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switch (marker) {
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case JPEG2000_SIZ:
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if (s->ncomponents) {
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av_log(s->avctx, AV_LOG_ERROR, "Duplicate SIZ\n");
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return AVERROR_INVALIDDATA;
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}
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ret = get_siz(s);
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if (!s->tile)
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s->numXtiles = s->numYtiles = 0;
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