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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-30 22:19:22 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-07-19 21:42:38 +0200 |
| commit | 7d3581e6bbec309ca0cc617c37cf6e87547764ef (patch) | |
| tree | 8fb3c7e9e801ba741ea4a4195f3c2d0526871191 | |
| parent | b789ebf681eadd28cc137125b567d3e84bc05d55 (diff) | |
| download | ffmpeg-7d3581e6bbec309ca0cc617c37cf6e87547764ef.tar.gz | |
avcodec/h264_refs: Also check reference in ff_h264_build_ref_list()
Fixes: out of array read
Fixes: 15409/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5758846959616000
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/h264_refs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c index eaf965e43d..74087ff266 100644 --- a/libavcodec/h264_refs.c +++ b/libavcodec/h264_refs.c @@ -373,9 +373,11 @@ int ff_h264_build_ref_list(H264Context *h, H264SliceContext *sl) av_assert0(0); } - if (i < 0) { + if (i < 0 || mismatches_ref(h, ref)) { av_log(h->avctx, AV_LOG_ERROR, - "reference picture missing during reorder\n"); + i < 0 ? "reference picture missing during reorder\n" : + "mismatching reference\n" + ); memset(&sl->ref_list[list][index], 0, sizeof(sl->ref_list[0][0])); // FIXME } else { for (i = index; i + 1 < sl->ref_count[list]; i++) { |