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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-11-26 04:07:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-11-26 04:11:16 +0100 |
| commit | 5f30522894d19a14324b80bc282c094dabdb31c0 (patch) | |
| tree | 400e5930aa93087597218507884048389e8d85f3 | |
| parent | e5c01ccdf5a9a330d4c51a9b9ea721fd8f1fb70b (diff) | |
| download | ffmpeg-5f30522894d19a14324b80bc282c094dabdb31c0.tar.gz | |
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>
| -rw-r--r-- | libavcodec/flacdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c index cda44ba43f..34a0a70ada 100644 --- a/libavcodec/flacdec.c +++ b/libavcodec/flacdec.c @@ -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, |