diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-11-09 21:21:51 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-01 17:17:04 +0100 |
| commit | 336f9461df7d2005db9d1af4f5f81fd033025ce2 (patch) | |
| tree | b3e7a7432c695dd074bc4245f806a3d6238f1fbc /libavcodec/g729dec.c | |
| parent | 576746b4e30069a922564e0019ef0758811e771d (diff) | |
| download | ffmpeg-336f9461df7d2005db9d1af4f5f81fd033025ce2.tar.gz | |
avcodec/g729dec: Avoid using buf_size
buf_size is not updated as buf is advanced so it is wrong after the first
iteration
Fixes: Timeout (160sec -> 27sec)
Fixes: 18658/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G729_fuzzer-5729784269373440
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/g729dec.c')
| -rw-r--r-- | libavcodec/g729dec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c index 70cf3391bd..5257be6e64 100644 --- a/libavcodec/g729dec.c +++ b/libavcodec/g729dec.c @@ -457,11 +457,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, buf++; } - for (i = 0; i < buf_size; i++) + for (i = 0; i < format->block_size; i++) frame_erasure |= buf[i]; frame_erasure = !frame_erasure; - init_get_bits(&gb, buf, 8*buf_size); + init_get_bits(&gb, buf, 8*format->block_size); ma_predictor = get_bits(&gb, 1); quantizer_1st = get_bits(&gb, VQ_1ST_BITS); |