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| author | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2016-02-03 00:55:18 +0100 |
|---|---|---|
| committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2016-02-03 01:19:45 +0100 |
| commit | 916da13d6dac8b0d3e8f7b1cb87fa37801cee3f8 (patch) | |
| tree | 45f480a1c39722c2b6a0ee392ecb8c7de632e0a4 | |
| parent | e9025573faf69416fcc29a689447e3296c3eaf58 (diff) | |
| download | ffmpeg-916da13d6dac8b0d3e8f7b1cb87fa37801cee3f8.tar.gz | |
cfhd: fix off-by-one error in level check
This fixes out-of-bounds writes causing segmentation faults.
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
| -rw-r--r-- | libavcodec/cfhd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cfhd.c b/libavcodec/cfhd.c index 410bb7b8f7..2436aae249 100644 --- a/libavcodec/cfhd.c +++ b/libavcodec/cfhd.c @@ -280,7 +280,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame, s->level++; av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data); s->subband_num = data; - if (s->level > DWT_LEVELS) { + if (s->level >= DWT_LEVELS) { av_log(avctx, AV_LOG_ERROR, "Invalid level\n"); ret = AVERROR(EINVAL); break; |