Fixes: Timeout (105sec -> 1sec) Fixes: 20479/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5769846937878528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/intrax8.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/intrax8.c b/libavcodec/intrax8.c index d46f97c7a4..f385423dc1 100644 --- a/libavcodec/intrax8.c +++ b/libavcodec/intrax8.c @@ -801,6 +801,8 @@ int ff_intrax8_decode_picture(IntraX8Context *w, Picture *pict, for (w->mb_y = 0; w->mb_y < w->mb_height * 2; w->mb_y++) { x8_init_block_index(w, w->frame); mb_xy = (w->mb_y >> 1) * (w->mb_width + 1); + if (get_bits_left(gb) < 1) + goto error; for (w->mb_x = 0; w->mb_x < w->mb_width * 2; w->mb_x++) { x8_get_prediction(w); if (x8_setup_spatial_predictor(w, 0)) -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
