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| author | Daniel Kang <daniel.d.kang@gmail.com> | 2011-01-10 10:47:10 +0000 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@rainbow.studorg.tuwien.ac.at> | 2011-01-10 10:47:10 +0000 |
| commit | 2843502ea424a095b39bce7577de90730fb2a0c6 (patch) | |
| tree | 9c40c4d69ef43318e9087d70d203125e0999b800 /libavcodec/interplayvideo.c | |
| parent | 8e37a1deb30c51e2e2ef5726f550b698303bc029 (diff) | |
Check for invalid decode op-codes, fixes issue 2522.
Patch by Daniel Kang, daniel.d.kang at gmail
Originally committed as revision 26295 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/interplayvideo.c')
| -rw-r--r-- | libavcodec/interplayvideo.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c index b98386f77c..34f055743d 100644 --- a/libavcodec/interplayvideo.c +++ b/libavcodec/interplayvideo.c @@ -99,6 +99,10 @@ static int copy_from(IpvideoContext *s, AVFrame *src, int delta_x, int delta_y) motion_offset, s->upper_motion_limit_offset); return -1; } + if (src->data[0] == NULL) { + av_log(s->avctx, AV_LOG_ERROR, "Invalid decode type, corrupted header?\n"); + return AVERROR(EINVAL); + } s->dsp.put_pixels_tab[!s->is_16bpp][0](s->pixel_ptr, src->data[0] + motion_offset, s->current_frame.linesize[0], 8); return 0; |