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avcodec/j2kenc: Fix out of array access in encode_cblk()
Fixes: 4427/clusterfuzz-testcase-minimized-5106919271301120 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 0674087004538599797688785f6ac82358abc23b) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -688,7 +688,8 @@ static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg20
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cblk->npasses = passno;
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cblk->ninclpasses = passno;
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cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len);
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if (passno)
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cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len);
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}
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/* tier-2 routines: */
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