Fixes: runtime error: pointer index expression with base 0x000000000000 overflowed to 0xfffffffffffffff8 Fixes: 58440/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5956015530311680
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/hevcdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c index 7e1bf4e915..90000203e4 100644 --- a/libavcodec/hevcdec.c +++ b/libavcodec/hevcdec.c @@ -1940,13 +1940,13 @@ static void hls_prediction_unit(HEVCLocalContext *lc, int x0, int y0, if (current_mv.pred_flag & PF_L0) { ref0 = refPicList[0].ref[current_mv.ref_idx[0]]; - if (!ref0) + if (!ref0 || !ref0->frame->data[0]) return; hevc_await_progress(s, ref0, ¤t_mv.mv[0], y0, nPbH); } if (current_mv.pred_flag & PF_L1) { ref1 = refPicList[1].ref[current_mv.ref_idx[1]]; - if (!ref1) + if (!ref1 || !ref1->frame->data[0]) return; hevc_await_progress(s, ref1, ¤t_mv.mv[1], y0, nPbH); } -- 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".
