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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>
(cherry picked from commit 5f5ada3dbf)
Signed-off-by: Tim Walker <tdskywalker@gmail.com>
This commit is contained in:
Tim Walker
2013-10-09 11:47:04 +02:00
parent 65830277d2
commit a0866c7129
1 changed files with 1 additions and 1 deletions
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2
libavcodec/shorten.c
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@@ -307,7 +307,7 @@ static int decode_subframe_lpc(ShortenContext *s, int command, int channel,
} else {
/* fixed LPC coeffs */
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",
pred_order);
return AVERROR_INVALIDDATA;