From c9ed48e80ef807ab0c1bb946ac8db5f34d83d9c9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= Date: Mon, 16 Mar 2015 22:31:41 +0100 Subject: [PATCH] dca: Read params->pancABIT0[param_index] only if part0 is set Prevent a spurious read from uninitialized memory. --- libavcodec/dca_xll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dca_xll.c b/libavcodec/dca_xll.c index 0c32d6ecce..5a558b8c48 100644 --- a/libavcodec/dca_xll.c +++ b/libavcodec/dca_xll.c @@ -514,8 +514,8 @@ int ff_dca_xll_decode_audio(DCAContext *s, AVFrame *frame) } for (i = 0; i < chset->channels; i++) { int param_index = params->seg_type ? 0 : i; - int bits = params->pancABIT0[param_index]; int part0 = params->nSamplPart0[param_index]; + int bits = part0 ? params->pancABIT0[param_index] : 0; int *sample_buf = s->xll_sample_buf + (in_channel + i) * s->xll_smpl_in_seg;