On Wed, Jan 09, 2019 at 12:25:43AM +0100, Martin Wilck wrote:

Reviewed-by: Benjamin Marzinski <[email protected]>

> multipathd can be crashed by passing an invalid path name
> to the "show path" command. Fix it.
> ---
>  multipathd/cli_handlers.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c
> index 6304ed3a..fabf4440 100644
> --- a/multipathd/cli_handlers.c
> +++ b/multipathd/cli_handlers.c
> @@ -346,6 +346,8 @@ cli_list_path (void * v, char ** reply, int * len, void * 
> data)
>       condlog(3, "%s: list path (operator)", param);
>  
>       pp = find_path_by_dev(vecs->pathvec, param);
> +     if (!pp)
> +             return 1;
>  
>       return show_path(reply, len, vecs, pp, "%o");
>  }
> -- 
> 2.19.2

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