Module: libav
Branch: master
Commit: cb167f2947f1a2c446bd8db196d0e64ef4a6d06b
Author: Sean McGovern <gsean...@gmail.com>
Committer: Sean McGovern <gsean...@gmail.com>
Date: Sun May 7 17:11:59 2017 -0400
h264_refs: validate the SPS pointer in ff_h264_execute_ref_pic_marking()
Bug-Id: 1036
CC: libav-sta...@libav.org
---
libavcodec/h264_refs.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c
index b4dc49c..9536c4b 100644
--- a/libavcodec/h264_refs.c
+++ b/libavcodec/h264_refs.c
@@ -557,6 +557,12 @@ int ff_h264_execute_ref_pic_marking(H264Context *h)
int current_ref_assigned = 0, err = 0;
H264Picture *av_uninit(pic);
+ if (!h->ps.sps) {
+ av_log(h->avctx, AV_LOG_ERROR, "SPS is unset\n");
+ err = AVERROR_INVALIDDATA;
+ goto out;
+ }
+
if (!h->explicit_ref_marking)
generate_sliding_window_mmcos(h);
mmco_count = h->nb_mmco;
@@ -725,6 +731,7 @@ int ff_h264_execute_ref_pic_marking(H264Context *h)
print_short_term(h);
print_long_term(h);
+out:
return (h->avctx->err_recognition & AV_EF_EXPLODE) ? err : 0;
}
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