ffmpeg | branch: master | Luca Barbato <lu_z...@gentoo.org> | Mon Feb 2 02:22:34 2015 +0100| [9b8c8a9395c849639aea0f6b5300e991e93c3a73] | committer: Vittorio Giovara
svq1dec: Validate the stages value strictly It can be less than -1. Bug-Id: CID 1194397 / CID 1194398 CC: libav-sta...@libav.org > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9b8c8a9395c849639aea0f6b5300e991e93c3a73 --- libavcodec/svq1dec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c index 789a013..909ace7 100644 --- a/libavcodec/svq1dec.c +++ b/libavcodec/svq1dec.c @@ -191,7 +191,7 @@ static int svq1_decode_block_intra(GetBitContext *bitbuf, uint8_t *pixels, continue; /* skip vector */ } - if (stages > 0 && level >= 4) { + if ((stages > 0 && level >= 4) || stages < 0) { av_dlog(NULL, "Error (svq1_decode_block_intra): invalid vector: stages=%i level=%i\n", stages, level); @@ -253,7 +253,7 @@ static int svq1_decode_block_non_intra(GetBitContext *bitbuf, uint8_t *pixels, if (stages == -1) continue; /* skip vector */ - if ((stages > 0) && (level >= 4)) { + if ((stages > 0 && level >= 4) || stages < 0) { av_dlog(NULL, "Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i\n", stages, level); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
