netdev - Re: [Linux kernel bug] general protection fault in nexthop_is

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Message-ID: <CAEkJfYP9PdD=4kbqWac0ny+X-D5YdZrtqW8VukFak0zRMo+=7Q@mail.gmail.com>
Date: Tue, 7 May 2024 15:39:04 +0800
From: Sam Sun <samsun1006219@...il.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, davem@...emloft.net, 
	dsahern@...nel.org, kuba@...nel.org, pabeni@...hat.com, 
	syzkaller-bugs@...glegroups.com, xrivendell7@...il.com
Subject: Re: [Linux kernel bug] general protection fault in nexthop_is_blackhole

On Tue, May 7, 2024 at 3:31 PM Eric Dumazet <edumazet@...gle.com> wrote:
>
> On Tue, May 7, 2024 at 9:00 AM Sam Sun <samsun1006219@...il.com> wrote:
> >
> > Dear developers and maintainers,
> >
> > We encountered a general protection fault in function
> > nexthop_is_blackhole. It was tested against the latest upstream linux
> > (tag 6.9-rc7). C repro and kernel config are attached to this email.
> > Kernel crash log is listed below.
>
> This is another reiserfs bug, please let's not be mistaken.
>
> We have dozens of syzbot reports about reiserfs.
>
> Thank you.
>

Sorry for my mistake and thanks for pointing out. I only checked the
call stack without checking the repro.  I will ban the reiserfs in
future testing.

Best Regards,
Yue