svn commit: r288362 - head/sys/cddl/dev/sdt

[Rui Paulo]

On Tue, 2015-09-29 at 11:58 +0000, Andriy Gapon wrote:
> Author: avg
> Date: Tue Sep 29 11:58:21 2015
> New Revision: 288362
> URL: https://svnweb.freebsd.org/changeset/base/288362
> 
> Log:
>   sdt: start checking version field when parsing probe definitions
>   
>   This is an extra safety measure.
>   
>   MFC after:	21 days
> 
> Modified:
>   head/sys/cddl/dev/sdt/sdt.c
> 
> Modified: head/sys/cddl/dev/sdt/sdt.c
> =====================================================================
> =========
> --- head/sys/cddl/dev/sdt/sdt.c	Tue Sep 29 11:55:26 2015	
> (r288361)
> +++ head/sys/cddl/dev/sdt/sdt.c	Tue Sep 29 11:58:21 2015	
> (r288362)
> @@ -141,6 +141,12 @@ sdt_create_probe(struct sdt_probe *probe
>  	char *to;
>  	size_t len;
>  
> +	if (probe->version != (int)sizeof(*probe)) {
> +		printf("ignoring probe %p, version %u expected
> %u\n",
> +		    probe, probe->version, (int)sizeof(*probe));
> +		return;
> +	}
> +
> 

Not picking on your change, but this version management sounds like a
bad idea to me...

-- 
Rui Paulo