Re: BUG: WARNING in kvfree_rcu_bulk

Xingyu Li
2024-09-05T02:23:24Z

Here is to set up the reproducing environment:
https://github.com/TomAPU/Linux610BugReort
We tested it, and it can reproduce.

On Wed, Sep 4, 2024 at 10:52 AM Uladzislau Rezki <urezki@gmail.com> wrote:
>
> Hello!
>
> >
> > Here is the config file:
> > https://gist.github.com/TomAPU/64f5db0fe976a3e94a6dd2b621887cdd
> >
> Thank you. I was not able to boot my box using your config file. But i
> enabled all needed configs in to run your reproduce so it does not
> complain on below warnings:
>
> <snip>
> urezki@pc638:~$ sudo ./a.out
> the reproducer may not work as expected: USB injection setup failed: failed to chmod /dev/raw-gadget
> the reproducer may not work as expected: 802154 injection setup failed: netlink_query_family_id failed
> <snip>
>
> sudo modprobe raw_gadget
> sudo modprobe ieee802154
> sudo modprobe ieee802154_socket
> sudo modprobe hci
> sudo modprobe hci_vhci
> sudo modprobe mac802154
> sudo modprobe ieee802154
> sudo modprobe ieee802154_socket
> sudo modprobe mac802154_hwsim
> sudo modprobe adf7242
> sudo modprobe atusb
> sudo modprobe at86rf230
> sudo modprobe fakelb
> sudo modprobe mrf24j40
> sudo modprobe cc2520
>
> and even after that i am not able to get any "WARNING in kvfree_rcu_bulk".
>
> urezki@pc638:~$ uname -a
> Linux pc638 6.11.0-rc2+ #3827 SMP PREEMPT_DYNAMIC Wed Sep 4 19:37:22 CEST 2024 x86_64 GNU/Linux
> urezki@pc638:~$
>
> is it easy to reproduce? Am i missing something in my setup?
>
> --
> Uladzislau Rezki

--
Yours sincerely,
Xingyu