From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bruce Richardson <bruce.richardson@intel.com>
Subject: Re: [PATCH v2] cfgfile: fix unitialised buffer
Date: Mon, 29 Jun 2015 15:33:52 +0100
Message-ID: <20150629143352.GA11812@bricha3-MOBL3>
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To: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
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On Mon, Jun 29, 2015 at 04:20:25PM +0200, Daniel Mrzyglod wrote:
> Nature of the problem was not initialised buffer[256], there were probability
> that operation system will provide previously used memory and on special condition
> there were probability that string operations will work on random data that
> could provide unexpected program behaviour.
> 
> Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
> ---
>  lib/librte_cfgfile/rte_cfgfile.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/lib/librte_cfgfile/rte_cfgfile.c b/lib/librte_cfgfile/rte_cfgfile.c
> index b81c273..9c85e9f 100644
> --- a/lib/librte_cfgfile/rte_cfgfile.c
> +++ b/lib/librte_cfgfile/rte_cfgfile.c
> @@ -96,7 +96,10 @@ rte_cfgfile_load(const char *filename, int flags)
>  	int lineno = 0;
>  	struct rte_cfgfile *cfg = NULL;
>  
> +	memset(buffer, '\0', sizeof(buffer));
> +
>  	FILE *f = fopen(filename, "r");
> +
>  	if (f == NULL)
>  		return NULL;
>  
> -- 
> 2.1.0
> 
How about just adding "= {0}" to the end of the definition of buffer?

/Bruce