netdev - Re: [PATCH bpf-next v2] bpf: fix memory leak in bpf_lwt_xmit

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Message-ID: <4f4ce7f6-a9df-b898-8de5-05dcbf15b095@gmail.com>
Date:   Thu, 14 Feb 2019 12:04:47 -0700
From:   David Ahern <dsahern@...il.com>
To:     Peter Oskolkov <posk@...gle.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org
Cc:     Peter Oskolkov <posk@...k.io>,
        Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH bpf-next v2] bpf: fix memory leak in bpf_lwt_xmit_reroute

On 2/14/19 11:39 AM, Peter Oskolkov wrote:
> On error the skb should be freed. Tested with diff/steps
> provided by David Ahern.
> 
> v2: surface routing errors to the user instead of a generic EINVAL,
>     as suggested by David Ahern.
> 
> Reported-by: David Ahern <dsahern@...il.com>
> Fixes: 3bd0b15281af ("bpf: add handling of BPF_LWT_REROUTE to lwt_bpf.c")
> Signed-off-by: Peter Oskolkov <posk@...gle.com>
> ---
>  net/core/lwt_bpf.c | 29 ++++++++++++++++++++---------
>  1 file changed, 20 insertions(+), 9 deletions(-)
> 

Reviewed-by: David Ahern <dsahern@...il.com>