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shorten: Fix out-of-array read

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pred_order == FF_ARRAY_ELEMS(fixed_coeffs) is invalid too.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Tim Walker 2013-10-09 11:47:04 +02:00 committed by Luca Barbato
parent ed796fba76
commit 5f5ada3dbf
1 changed files with 1 additions and 1 deletions
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libavcodec/shorten.c
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@ -303,7 +303,7 @@ static int decode_subframe_lpc(ShortenContext *s, int command, int channel,
} else { } else {
/* fixed LPC coeffs */ /* fixed LPC coeffs */
pred_order = command; pred_order = command;
if (pred_order > FF_ARRAY_ELEMS(fixed_coeffs)) { if (pred_order >= FF_ARRAY_ELEMS(fixed_coeffs)) {
av_log(s->avctx, AV_LOG_ERROR, "invalid pred_order %d\n", av_log(s->avctx, AV_LOG_ERROR, "invalid pred_order %d\n",
pred_order); pred_order);
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;