diff options
| author | Michael Niedermayer <[email protected]> | 2025-07-03 03:03:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2025-07-06 19:20:19 +0200 |
| commit | af3852e22c599a79357c2cc3e164a5efa697be53 (patch) | |
| tree | f6074bda761e17bf59ab77b99a7d2dbf3831d87f | |
| parent | 9899c8c00bb7674fe3cf5c8483b522c6c78e1248 (diff) | |
avcodec/smacker: Check input before allocation
Fixes: Timeout
Fixes: 421650030/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKAUD_fuzzer-6144441767493632
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
| -rw-r--r-- | libavcodec/smacker.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c index bd08bc7be2..99009bfd36 100644 --- a/libavcodec/smacker.c +++ b/libavcodec/smacker.c @@ -662,6 +662,10 @@ static int smka_decode_frame(AVCodecContext *avctx, AVFrame *frame, } else values[i] = h.entries[0].value; } + if (get_bits_left(&gb) < (stereo+1) * (bits+1) * 8) { + ret = AVERROR_INVALIDDATA; + goto error; + } if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; |