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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-08-08 20:46:32 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-17 21:34:53 +0200 |
| commit | 6c551b8d10de2ae813849d26266a8bc256136159 (patch) | |
| tree | 01b1dfb5839a2b99dd2199af8cf49dd9460bca2a | |
| parent | 9e84c17a43d84f4ba8e282f448dea04882b229cf (diff) | |
| download | ffmpeg-6c551b8d10de2ae813849d26266a8bc256136159.tar.gz | |
avcodec/vc1dec: ff_print_debug_info() does not support WMV3 field_mode
Fixes: out of array read
Fixes: 36331/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-5140494328922112.fuzz
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 c59b5e3d1e0121ea23b5b326529f5bdca44cf982)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/vc1dec.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index 4d14228679..e786dce83e 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -1098,12 +1098,14 @@ image: if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) { if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0) goto err; - ff_print_debug_info(s, s->current_picture_ptr, pict); + if (!v->field_mode) + ff_print_debug_info(s, s->current_picture_ptr, pict); *got_frame = 1; } else if (s->last_picture_ptr) { if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0) goto err; - ff_print_debug_info(s, s->last_picture_ptr, pict); + if (!v->field_mode) + ff_print_debug_info(s, s->last_picture_ptr, pict); *got_frame = 1; } } |