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avcodec/mpeg_er: Clear mcsel in mpeg_er_decode_mb()
Fixes out of array read
Should fix: 3516/clusterfuzz-testcase-minimized-4608518562775040 (not reprodoceable)
Found-by: Insu Yun, Georgia Tech.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 127a362630
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -71,6 +71,7 @@ static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
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s->mb_skipped = mb_skipped;
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s->mb_x = mb_x;
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s->mb_y = mb_y;
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s->mcsel = 0;
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memcpy(s->mv, mv, sizeof(*mv));
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ff_init_block_index(s);
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