diff options
| author | Anton Khirnov <anton@khirnov.net> | 2014-12-14 21:01:59 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-01-06 18:28:34 +0100 |
| commit | b5dbe93c8bc4b2180f9723a7a68b1db5591f3168 (patch) | |
| tree | 76f933bd4a0a6ae5c761bad8cfb84bce6a484d16 /libavcodec | |
| parent | 185e55279c24f0f23627308e4d8320e5fec362b5 (diff) | |
| download | ffmpeg-b5dbe93c8bc4b2180f9723a7a68b1db5591f3168.tar.gz | |
jvdec: check frame dimensions
The frame size must be set by the caller and each dimension must be a
multiple of 8.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
See: 105654e376a736d243aef4a1d121abebce912e6b
These should be redundant, but are backported for saftey anyway
(cherry picked from commit e012cb8dea7969c7b3927dbf846ef2742cd4a7ab)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/jvdec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/jvdec.c b/libavcodec/jvdec.c index 47e8edcae6..9c4a8d4ca3 100644 --- a/libavcodec/jvdec.c +++ b/libavcodec/jvdec.c @@ -43,6 +43,13 @@ static av_cold int decode_init(AVCodecContext *avctx) { JvContext *s = avctx->priv_data; + if (!avctx->width || !avctx->height || + (avctx->width & 7) || (avctx->height & 7)) { + av_log(avctx, AV_LOG_ERROR, "Invalid video dimensions: %dx%d\n", + avctx->width, avctx->height); + return AVERROR(EINVAL); + } + s->frame = av_frame_alloc(); if (!s->frame) return AVERROR(ENOMEM); |