From 066c65737682817611ad2f30a4895acb5f47629b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 15 Nov 2017 16:53:34 +0100 Subject: [PATCH] avcodec/vc2enc: Clear coef_buf on allocation Fixes: Use of uninitialized memory Fixes: assertion failure Reviewed-by: Signed-off-by: Michael Niedermayer (cherry picked from commit 6d00905f8134a2932e5c00dd1ec8b2a1f0a38035) Signed-off-by: Michael Niedermayer --- libavcodec/vc2enc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/vc2enc.c b/libavcodec/vc2enc.c index 745c6e974d..3dbdf57a12 100644 --- a/libavcodec/vc2enc.c +++ b/libavcodec/vc2enc.c @@ -1171,7 +1171,7 @@ static av_cold int vc2_encode_init(AVCodecContext *avctx) p->dwt_width = w = FFALIGN(p->width, (1 << s->wavelet_depth)); p->dwt_height = h = FFALIGN(p->height, (1 << s->wavelet_depth)); p->coef_stride = FFALIGN(p->dwt_width, 32); - p->coef_buf = av_malloc(p->coef_stride*p->dwt_height*sizeof(dwtcoef)); + p->coef_buf = av_mallocz(p->coef_stride*p->dwt_height*sizeof(dwtcoef)); if (!p->coef_buf) goto alloc_fail; for (level = s->wavelet_depth-1; level >= 0; level--) {