Re: [Syzkaller & bisect] There is KASAN: slab-use-after-free Read in __nf_unregister_net_hook in v6.12-rc1

From: Florian Westphal
Date: Thu Oct 10 2024 - 08:02:39 EST


Eric Dumazet <edumazet@xxxxxxxxxx> wrote:
> On Thu, Oct 10, 2024 at 10:58 AM Eric Dumazet <edumazet@xxxxxxxxxx> wrote:
> >
> > On Thu, Oct 10, 2024 at 10:19 AM Lai, Yi <yi1.lai@xxxxxxxxxxxxxxx> wrote:
> > >
> Florian, Pablo :
>
> It seems that bpf was able to defer the __nf_unregister_net_hook()
> after exit()/close() time.

Thanks for the analysis, I will send a patch later today.