[Cluster-devel] [PATCH 2/2] fence_kdump: fix potential null dereference

[Fabio M. Di Nitto]

ACK

Fabio

On 9/19/2011 7:11 PM, Ryan O'Hara wrote:
> If strchr returns NULL while parsing options from stdin, continue
> without handling the option. This should prevent possible null
> dereference.
> 
> rhbz#734429
> 
> Signed-off-by: Ryan O'Hara <rohara at redhat.com>
> ---
>  fence/agents/kdump/fence_kdump.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/fence/agents/kdump/fence_kdump.c b/fence/agents/kdump/fence_kdump.c
> index 2844a3e..e224db3 100644
> --- a/fence/agents/kdump/fence_kdump.c
> +++ b/fence/agents/kdump/fence_kdump.c
> @@ -427,6 +427,8 @@ get_options_stdin (fence_kdump_opts_t *opts)
>          if ((arg = strchr (opt, '=')) != 0) {
>              *arg = 0;
>              arg += 1;
> +        } else {
> +            continue;
>          }
>  
>          if (!strcasecmp (opt, "nodename")) {