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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-10-09 00:32:30 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-10-26 17:34:42 +0200 |
| commit | aa6c44c33399a8dd5799dc57d18e0f8235b17f86 (patch) | |
| tree | 8dbebcfaec89e95c3cdba9137747c8a6ee552df1 | |
| parent | 0009272f943af76c8bad7c676ce4e9c41c4ac042 (diff) | |
| download | ffmpeg-aa6c44c33399a8dd5799dc57d18e0f8235b17f86.tar.gz | |
avcodec/mpeg_er: Clear mcsel in mpeg_er_decode_mb()
Fixes out of array read
Should fix: 3516/clusterfuzz-testcase-minimized-4608518562775040 (not reprodoceable)
Found-by: Insu Yun, Georgia Tech.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 127a362630e11fe724e2e63fc871791fdcbcfa64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mpeg_er.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/mpeg_er.c b/libavcodec/mpeg_er.c index ee8b2a5e7b..0c5c44cf4f 100644 --- a/libavcodec/mpeg_er.c +++ b/libavcodec/mpeg_er.c @@ -71,6 +71,7 @@ static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type, s->mb_skipped = mb_skipped; s->mb_x = mb_x; s->mb_y = mb_y; + s->mcsel = 0; memcpy(s->mv, mv, sizeof(*mv)); ff_init_block_index(s); |