Re: [PATCH net-next v3 1/9] af_packet: avoid erroring out after sock_init_data() in packet_create()

[Eric Dumazet <edumazet@xxxxxxxxxx>]

On Mon, Oct 14, 2024 at 5:38 PM Ignat Korchagin <ignat@xxxxxxxxxxxxxx> wrote:
>
> After sock_init_data() the allocated sk object is attached to the provided
> sock object. On error, packet_create() frees the sk object leaving the
> dangling pointer in the sock object on return. Some other code may try
> to use this pointer and cause use-after-free.
>
> Suggested-by: Eric Dumazet <edumazet@xxxxxxxxxx>
> Signed-off-by: Ignat Korchagin <ignat@xxxxxxxxxxxxxx>
> ---

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Thanks.