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| author | Google Chrome <> | 2009-09-23 12:02:31 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2009-09-23 12:02:31 +0000 |
| commit | 79a4258141f8d7c68556eec68ddb88ca556f29e0 (patch) | |
| tree | a4f7550cb7e5d0710a2ee30e8a71fcdb96f0fc82 /libavcodec/vorbis_dec.c | |
| parent | 45a014d75efd043aa432b87869f898e552cbbb75 (diff) | |
| download | ffmpeg-79a4258141f8d7c68556eec68ddb88ca556f29e0.tar.gz | |
Check classbook value.
11_vorbis_residue_book_index.patch by chrome.
Originally committed as revision 19989 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vorbis_dec.c')
| -rw-r--r-- | libavcodec/vorbis_dec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/vorbis_dec.c b/libavcodec/vorbis_dec.c index ce5a139ef4..2d5e610da4 100644 --- a/libavcodec/vorbis_dec.c +++ b/libavcodec/vorbis_dec.c @@ -630,6 +630,10 @@ static int vorbis_parse_setup_hdr_residues(vorbis_context *vc){ res_setup->partition_size=get_bits(gb, 24)+1; res_setup->classifications=get_bits(gb, 6)+1; res_setup->classbook=get_bits(gb, 8); + if (res_setup->classbook>=vc->codebook_count) { + av_log(vc->avccontext, AV_LOG_ERROR, "classbook value %d out of range. \n", res_setup->classbook); + return 1; + } AV_DEBUG(" begin %d end %d part.size %d classif.s %d classbook %d \n", res_setup->begin, res_setup->end, res_setup->partition_size, res_setup->classifications, res_setup->classbook); |