Re: [PATCH v3] usbip: vudc: Fix use after free bug in vudc_remove due to race condition

[Shuah Khan]

On 3/16/23 11:44, Zheng Wang wrote:
> In vudc_probe, it calls init_vudc_hw, which bound &udc->timer with v_timer.
>
> When it calls usbip_sockfd_store, it will call v_start_timer to start the
> timer work.
>
> When we call vudc_remove to remove the driver, theremay be a sequence as
> follows:

When you resend the patch as you indicated would, please add details
on how you found this proble,m.

> Fix it by shutdown the timer work before cleanup in vudc_remove.

thanks,
-- Shuah