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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-12-17 21:53:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-12-17 21:54:20 +0100 |
| commit | 3e626548ce6d1ecb86733576dd7272b6ba6352ea (patch) | |
| tree | 18a9ab58b3ecacb1d270874fc2847c03861824ef /libavcodec | |
| parent | 9be63be1b285aee4f9ef597f0284e91a2f25a386 (diff) | |
| download | ffmpeg-3e626548ce6d1ecb86733576dd7272b6ba6352ea.tar.gz | |
avcodec/vc1dec: use av_mallocz for luma_mv
This ensures that no mvs are uninitialized at the time of loop filtering
Fixes: msan_uninit-mem_7f0b6dfe293c_2786_SA20021.vc1
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/vc1dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index 9ed565ca55..50c7b2dcb3 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -5516,7 +5516,7 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v) v->ttblk = v->ttblk_base + s->mb_stride; v->is_intra_base = av_mallocz(sizeof(v->is_intra_base[0]) * 2 * s->mb_stride); v->is_intra = v->is_intra_base + s->mb_stride; - v->luma_mv_base = av_malloc(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride); + v->luma_mv_base = av_mallocz(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride); v->luma_mv = v->luma_mv_base + s->mb_stride; /* allocate block type info in that way so it could be used with s->block_index[] */ |