From 3e626548ce6d1ecb86733576dd7272b6ba6352ea Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 17 Dec 2013 21:53:07 +0100 Subject: 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 --- libavcodec/vc1dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/vc1dec.c') 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[] */ -- cgit v1.2.3