diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-08-02 22:23:18 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-08-04 22:16:28 +0300 |
| commit | 44119e5ad6ca560ca6a1d35d250ad06604467145 (patch) | |
| tree | ccf74ce5ecea17a2e2081e9f58f8569769ce4bb9 /libavcodec/vp3.c | |
| parent | 7821480db5e378ccd827e1445aba7346cde60784 (diff) | |
avcodec/vp3: Check for end of input in vp4_unpack_vlcs()
Fixes: Timeout (too long -> 1sec)
Fixes: 15232/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP3_fuzzer-5769583086010368
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 58c7f419ce757c3c741d6071e0dafcba7d875567)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/vp3.c')
| -rw-r--r-- | libavcodec/vp3.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c index 6ce901eda9..28ed0461c7 100644 --- a/libavcodec/vp3.c +++ b/libavcodec/vp3.c @@ -1403,6 +1403,8 @@ static int vp4_unpack_vlcs(Vp3DecodeContext *s, GetBitContext *gb, int eob_run; while (!eob_tracker[coeff_i]) { + if (get_bits_left(gb) < 1) + return AVERROR_INVALIDDATA; token = get_vlc2(gb, vlc_tables[coeff_i]->table, 11, 3); |