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

Eric Dumazet
2024-10-10T12:31:10Z

On Thu, Oct 10, 2024 at 2:02 PM Florian Westphal <fw@strlen.de> wrote:
>
> Eric Dumazet <edumazet@google.com> wrote:
> > On Thu, Oct 10, 2024 at 10:58 AM Eric Dumazet <edumazet@google.com> wrote:
> > >
> > > On Thu, Oct 10, 2024 at 10:19 AM Lai, Yi <yi1.lai@linux.intel.com> 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.

Wow, this was fast, thanks Florian !