[sheepdog] [PATCH] dog: referencing uninitialized buffer during cluster format
Hitoshi Mitake
mitake.hitoshi at lab.ntt.co.jp
Wed Dec 10 02:42:02 CET 2014
At Wed, 10 Dec 2014 10:06:43 +0900,
Saeki Masaki wrote:
>
> when executing dog cluster format,
> by referring to the memory area that is not initialized
> update_node_list() was an unintended behavior.
>
> Signed-off-by: Masaki Saeki <saeki.masaki at po.ntts.co.jp>
> ---
> dog/dog.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
Applied, thanks.
Hitoshi
>
> diff --git a/dog/dog.c b/dog/dog.c
> index 3f33cdd..54520dd 100644
> --- a/dog/dog.c
> +++ b/dog/dog.c
> @@ -118,6 +118,7 @@ int update_node_list(int max_nodes)
> /* check whether cluster use diskmode */
> log_length = sizeof(struct epoch_log);
> logs = xmalloc(log_length);
> + memset(logs, 0, log_length);
>
> sd_init_req(&hdr, SD_OP_STAT_CLUSTER);
> hdr.data_length = log_length;
> --
> 1.7.1
>
>
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