Re: [PATCH net-next v3 7/9] net: inet6: do not leave a dangling sk pointer in inet6_create()

[Eric Dumazet]

On Mon, Oct 14, 2024 at 11:39 PM Kuniyuki Iwashima <kuniyu@xxxxxxxxxx> wrote:
>
> From: Ignat Korchagin <ignat@xxxxxxxxxxxxxx>
> Date: Mon, 14 Oct 2024 16:38:06 +0100
> > sock_init_data() attaches the allocated sk pointer to the provided sock
> > object. If inet6_create() fails later, the sk object is released, but the
> > sock object retains the dangling sk pointer, which may cause use-after-free
> > later.
> >
> > Clear the sock sk pointer on error.
> >
> > Signed-off-by: Ignat Korchagin <ignat@xxxxxxxxxxxxxx>
>
> Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>