ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Feb 2 15:23:31 2017 +0100| [61f70416f8542cc86c84ae6e0342ba10a35d7cba] | committer: Michael Niedermayer
avcodec/dca_lbr: Fix off by 1 error in freq check Fixes out of array read Fixes: 510/clusterfuzz-testcase-5737865715646464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=61f70416f8542cc86c84ae6e0342ba10a35d7cba --- libavcodec/dca_lbr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dca_lbr.c b/libavcodec/dca_lbr.c index 342603c..56c5f40 100644 --- a/libavcodec/dca_lbr.c +++ b/libavcodec/dca_lbr.c @@ -310,7 +310,7 @@ static int parse_tonal(DCALbrDecoder *s, int group) break; // End of subframe freq += diff - 2; - if (freq >> (5 - group) > s->nsubbands * 4 - 5) { + if (freq >> (5 - group) > s->nsubbands * 4 - 6) { av_log(s->avctx, AV_LOG_ERROR, "Invalid spectral line offset\n"); return -1; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
