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authorMichael Niedermayer <michael@niedermayer.cc>2021-08-08 20:46:32 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2021-10-09 22:02:21 +0200
commit3b8f82d437801c4b8252bbcf053b59f4719e12cd (patch)
tree8061ec8fd4b9e0ed58db49b45c7484811ad6b7c1
parent492318cb65967ff220ad84d2034f78c24fbdda54 (diff)
downloadffmpeg-3b8f82d437801c4b8252bbcf053b59f4719e12cd.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.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index a024e1530b..c0194f0447 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -1102,12 +1102,14 @@ 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;
}
}