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avcodec/cbs_av1_syntax_template: Set seen_frame_header only after successfull uncompressed_header()

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Fixes: assertion failure
Fixes: 19301/clusterfuzz-testcase-minimized-ffmpeg_BSF_AV1_FRAME_MERGE_fuzzer-5743212006473728

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a2e4879432)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-12-14 18:43:24 +01:00
parent c5419a53ac
commit f94ca27470
1 changed files with 0 additions and 2 deletions
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libavcodec/cbs_av1_syntax_template.c
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@ -1500,8 +1500,6 @@ static int FUNC(frame_header_obu)(CodedBitstreamContext *ctx, RWContext *rw,
else
HEADER("Frame Header");
priv->seen_frame_header = 1;
#ifdef READ
start_pos = get_bits_count(rw);
#else