diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2006-05-13 11:37:56 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-05-13 11:37:56 +0000 |
| commit | a443a2530d00b7019269202ac0f5ca8ba0a021c7 (patch) | |
| tree | 9dfe3c9388c09a10ef32b64a871d3dac45495cb5 /libavformat/sierravmd.c | |
| parent | 3a1a7e32ace7af47de74e8ae779cb4e04c89aa97 (diff) | |
| download | ffmpeg-a443a2530d00b7019269202ac0f5ca8ba0a021c7.tar.gz | |
sanity checks some might have been exploitable
Originally committed as revision 5370 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/sierravmd.c')
| -rw-r--r-- | libavformat/sierravmd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/sierravmd.c b/libavformat/sierravmd.c index fa1730931a..fd75fc8d76 100644 --- a/libavformat/sierravmd.c +++ b/libavformat/sierravmd.c @@ -196,6 +196,10 @@ static int vmd_read_header(AVFormatContext *s, vmd->frame_table = NULL; raw_frame_table_size = vmd->frame_count * 6; raw_frame_table = av_malloc(raw_frame_table_size); + if(vmd->frame_count * vmd->frames_per_block >= UINT_MAX / sizeof(vmd_frame_t)){ + av_log(s, AV_LOG_ERROR, "vmd->frame_count * vmd->frames_per_block too large\n"); + return -1; + } vmd->frame_table = av_malloc(vmd->frame_count * vmd->frames_per_block * sizeof(vmd_frame_t)); if (!raw_frame_table || !vmd->frame_table) { av_free(raw_frame_table); |