Re: general protection fault in __handle_mm_fault

[Eric Dumazet]

On Tue, Oct 9, 2018 at 10:05 AM Ido Schimmel <idosch@xxxxxxxxxx> wrote:
>
> On Tue, Oct 09, 2018 at 12:02:58PM -0400, Willem de Bruijn wrote:
> > On Tue, Oct 9, 2018 at 11:00 AM Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> > > Well, this is a C repro, you can test this yourself instead of asking Willem who
> > > already did a painful bisection.
> >
> > Thanks Eric. It does take some effort to get the syzkaller environment
> > up and running [1] and I happen to have it ready, so I don't mind testing
> > a few patches.
>
> It is possible to ask syzbot to test the patch. I sent a couple of
> patches and got a response in 20-30 minutes. Very convenient.
>
> It is mentioned at the bottom of the report:
>
> "
> syzbot can test patches for this bug, for details see:
> https://goo.gl/tpsmEJ#testing-patches
> "

One day syzbot will do the bisection as well maybe, once it has a
repro, this could be really nice.