ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Oct 10 18:26:44 2019 +0200| [2c7975fe6f5c734fce9c59e8418c7f2de15a558d] | committer: Michael Niedermayer
avcodec/qdmc: Check input space in qdmc_get_vlc() Fixes: Timeout (125sec -> 0.4sec) Fixes: 18059/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDMC_fuzzer-5656195825664000 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2c7975fe6f5c734fce9c59e8418c7f2de15a558d --- libavcodec/qdmc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/qdmc.c b/libavcodec/qdmc.c index 8bea1552e1..10ceb7aa55 100644 --- a/libavcodec/qdmc.c +++ b/libavcodec/qdmc.c @@ -367,6 +367,8 @@ static int qdmc_get_vlc(GetBitContext *gb, VLC *table, int flag) { int v; + if (get_bits_left(gb) < 1) + return AVERROR_INVALIDDATA; v = get_vlc2(gb, table->table, table->bits, 1); if (v < 0) return AVERROR_INVALIDDATA; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
