Re: BUG: corrupted list in neigh_destroy [with reproducer]

[Eric Dumazet]

On Wed, Feb 12, 2025 at 10:18 AM YAN KANG <kangyan91@xxxxxxxxxxx> wrote:
>
> Hi:
>
> I found a kernel bug titiled "BUG: corrupted list in neigh_destroy " while using modified syzkaller fuzzing tool. I Itested it on the latest Linux upstream version (6.13.0-rc7), and it was able to be triggered. I found early report has no repro. I have a reproducer that can stable trigger this bug .
>
> early report: https://lore.kernel.org/netdev/20241007202240.bsqczev75yzdgn3g@xxxxxxxxxxxxxxxxxx/
>
> The bug info is:
>
> kernel revision: v6.13-rc7
> OOPS message: BUG: corrupted list in neigh_destroy
> reproducer:YES
> subsystem: NETWORKING

FYI, there are already many public reports using bcachefs to trigger
'bugs' in networking or other layers.

Do not send other reports, or make sure your repro is _only_ using
networking stuff.