Re: [PATCH] net/hsr: Fix possible leak in 'hsr_get_node_status()'

From: Geyslan Gregório Bem
Date: Thu Nov 14 2013 - 15:29:19 EST


2013/11/14 Geyslan G. Bem <geyslan@xxxxxxxxx>:
> If 'hsr_get_node_data()' returns error, going directly to 'fail' label
> doesn't free the memory pointed by 'skb_out'.
>
> Signed-off-by: Geyslan G. Bem <geyslan@xxxxxxxxx>
> ---
> net/hsr/hsr_netlink.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
> index 4e66bf6..aef8429 100644
> --- a/net/hsr/hsr_netlink.c
> +++ b/net/hsr/hsr_netlink.c
> @@ -249,7 +249,7 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
> &hsr_node_if2_age,
> &hsr_node_if2_seq);
> if (res < 0)
> - goto fail;
> + goto nla_put_failure;
>
> res = nla_put(skb_out, HSR_A_NODE_ADDR, ETH_ALEN,
> nla_data(info->attrs[HSR_A_NODE_ADDR]));
> --
> 1.8.4.2
>

It's a Coverity catch: CID 1128855.

--
Regards,

Geyslan G. Bem
hackingbits.com
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