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ffv1: fix out-of-bounds read 

CC: libav-stable@libav.org
Bug-Id: CID 1047234
This commit is contained in:
Vittorio Giovara 2014-11-11 17:40:04 +01:00
parent 5aa710f461
commit 6abe7edabb
1 changed files with 1 additions and 1 deletions
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2
libavcodec/ffv1enc.c
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@ -71,7 +71,7 @@ static void find_best_state(uint8_t best_state[256][256],
best_len[k] = len;
best_state[i][k] = j;
}
for (m = 0; m < 256; m++)
for (m = 1; m < 256; m++)
if (occ[m]) {
newocc[one_state[m]] += occ[m] * p;
newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);