[ovs-dev] [PATCH] netdev-linux.c : nl_sock_listen_all_nsid triggers NULL deref.

[Roi Dayan]

On 2021-05-19 6:57 PM, lin huang wrote:
> netdev-linux.c : nl_sock_listen_all_nsid triggers NULL deref.
> 
> Signed-off-by: miter <linhuang at ruijie.com.cn>
> ---
>   lib/netdev-linux.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c
> index 15b25084b..0994044ec 100644
> --- a/lib/netdev-linux.c
> +++ b/lib/netdev-linux.c
> @@ -634,7 +634,9 @@ netdev_linux_notify_sock(void)
>                   }
>               }
>           }
> -        nl_sock_listen_all_nsid(sock, true);
> +        if (sock) {
> +            nl_sock_listen_all_nsid(sock, true);
> + }
>           ovsthread_once_done(&once);
>       }
> 
> --
> 2.31.1
> 
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Hi,

Can you fix the checkpatch warning?

Thanks,
Roi