mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-24 00:02:52 +00:00
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 <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
f76a899abc
commit
2c7975fe6f
@ -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;
|
||||
|
Loading…
Reference in New Issue
Block a user