[x265] [PATCH 2 of 2] alloc extra 32 bytes to avoid Valgrind read beyond warning
Deepthi Nandakumar
deepthi at multicorewareinc.com
Tue Dec 29 12:46:10 CET 2015
Did this cause a segfault etc (does it reference an issue), or just a
valgrind warning?
On Tue, Dec 29, 2015 at 4:06 AM, Min Chen <chenm003 at 163.com> wrote:
> # HG changeset patch
> # User Min Chen <chenm003 at 163.com>
> # Date 1451340415 21600
> # Node ID 71a95cc2b7c9c5b9090e598570a6e8a37baa88fb
> # Parent f8daf6c38fec27b8b01f3a01df19c5a2252382b9
> alloc extra 32 bytes to avoid Valgrind read beyond warning
> ---
> source/encoder/sao.cpp | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff -r f8daf6c38fec -r 71a95cc2b7c9 source/encoder/sao.cpp
> --- a/source/encoder/sao.cpp Mon Dec 28 16:06:52 2015 -0600
> +++ b/source/encoder/sao.cpp Mon Dec 28 16:06:55 2015 -0600
> @@ -114,7 +114,7 @@
>
> // SAO asm code will read 1 pixel before and after, so pad by 2
> // NOTE: m_param->sourceWidth+2 enough, to avoid condition check
> in copySaoAboveRef(), I alloc more up to 63 bytes in here
> - CHECKED_MALLOC(m_tmpU[i], pixel, m_numCuInWidth * g_maxCUSize +
> 2);
> + CHECKED_MALLOC(m_tmpU[i], pixel, m_numCuInWidth * g_maxCUSize + 2
> + 32);
> m_tmpU[i] += 1;
> }
>
>
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--
Deepthi Nandakumar
Engineering Manager, x265
Multicoreware, Inc
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