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avcodec/flacdec: fix off by 1 error 

Fixes assertion failure
Fixes: signal_sigsegv_324b284_1980_dilvie___the_dragonfly.flac
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-11-26 04:07:34 +01:00
parent e5c01ccdf5
commit 5f30522894
1 changed files with 1 additions and 1 deletions
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2
libavcodec/flacdec.c
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@ -366,7 +366,7 @@ static inline int decode_subframe(FLACContext *s, int channel)
if (get_bits1(&s->gb)) {
int left = get_bits_left(&s->gb);
if ( left < 0 ||
if ( left <= 0 ||
(left < bps && !show_bits_long(&s->gb, left)) ||
!show_bits_long(&s->gb, bps)) {
av_log(s->avctx, AV_LOG_ERROR,