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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-08 17:55:41 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-08 20:08:22 +0100 |
| commit | 3295d22f3ab197ac872603b38da535d33b971708 (patch) | |
| tree | 4d330cb88d151e18160e99dc6bfe8d873ca06e4f /libavcodec/h264.c | |
| parent | dc1e099bf281e69d162bde02bd87112bbcb1ab5c (diff) | |
| download | ffmpeg-3295d22f3ab197ac872603b38da535d33b971708.tar.gz | |
avcodec/h264_slice: Clear ref_counts on redundant slices
Fixes reading freed memory
Fixes: 568/clusterfuzz-testcase-6107186067406848
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c03029a835949fc0e68b4c6558ebcdc3ae137087)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/h264.c')
| -rw-r--r-- | libavcodec/h264.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index b979b15382..550a7fc15e 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -1591,7 +1591,9 @@ again: #endif } else context_count++; - } + } else + sl->ref_count[0] = sl->ref_count[1] = 0; + break; break; case NAL_DPA: case NAL_DPB: |