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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-08-21 02:49:21 +0200 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2015-10-10 00:56:52 +0200 |
| commit | 50ac23fd7fd9292e65214cb137d7dd595e5f898b (patch) | |
| tree | fc164f75244bbe70770eaeaf2e90c84cb4afd9bf | |
| parent | 01fa1dc22914b6f01602df34b27f80ab1d007bbe (diff) | |
| download | ffmpeg-50ac23fd7fd9292e65214cb137d7dd595e5f898b.tar.gz | |
avcodec/h264_mp4toannexb_bsf: Reorder operations in nal_size check
Fixes Ticket4778
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2bb54b82b5094fd906aa28c0443be08c95662a31)
| -rw-r--r-- | libavcodec/h264_mp4toannexb_bsf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/h264_mp4toannexb_bsf.c b/libavcodec/h264_mp4toannexb_bsf.c index 7f72d2576e..06861b7ce3 100644 --- a/libavcodec/h264_mp4toannexb_bsf.c +++ b/libavcodec/h264_mp4toannexb_bsf.c @@ -174,7 +174,7 @@ static int h264_mp4toannexb_filter(AVBitStreamFilterContext *bsfc, buf += ctx->length_size; unit_type = *buf & 0x1f; - if (buf + nal_size > buf_end || nal_size < 0) + if (nal_size > buf_end - buf || nal_size < 0) goto fail; /* prepend only to the first type 5 NAL unit of an IDR picture */ |