| Message ID | 20220822225547.12895-4-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 2316d5ec1a95b13ff9a0ce80409fa367a041966d |
| Headers | show |
| Series | [FFmpeg-devel,1/4] libavformat/iff: Check for overflow in body_end calculation | expand |
| Context | Check | Description |
|---|---|---|
| andriy/configure_x86 | warning | Failed to apply patch |
| yinshiyou/configure_loongarch64 | warning | Failed to apply patch |
diff --git a/libavcodec/8bps.c b/libavcodec/8bps.c index 3bac9f64c4..4a3511948b 100644 --- a/libavcodec/8bps.c +++ b/libavcodec/8bps.c @@ -71,6 +71,9 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, unsigned char *planemap = c->planemap; int ret; + if (buf_size < planes * height *2) + return AVERROR_INVALIDDATA; + if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret;
Fixes: Timeout Fixes: undefined pointer arithmetic Fixes: 50330/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EIGHTBPS_fuzzer-5436287485607936 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/8bps.c | 3 +++ 1 file changed, 3 insertions(+)