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Fix overread/write reported by valgrind if (mb_cols) & 3 != 0.

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We'd backup and restore all cols for a 64x64 SB, but the array wouldn't
be big enough to hold all that data.

Change-Id: Ic68ea721bf07e0b2f3937bd16b0b734bcc743ce1
This commit is contained in:
Ronald S. Bultje 2013-01-25 16:03:15 -08:00
parent 0a7b3953f0
commit 9dc9f07fb8
1 changed files with 2 additions and 1 deletions
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3
vp9/common/vp9_alloccommon.c
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@ -134,7 +134,8 @@ int vp9_alloc_frame_buffers(VP9_COMMON *oci, int width, int height) {
oci->prev_mi = oci->prev_mip + oci->mode_info_stride + 1;
oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
oci->above_context =
vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * (3 + oci->mb_cols), 1);
if (!oci->above_context) {
vp9_de_alloc_frame_buffers(oci);