Re: [PATCH] usbip: usbip_host: Fix null pointer dereference in rebind_store

Jeffin Philip <[email protected]> Thu, 6 Aug 2026 11:06:51 +0530

Newsgroups	org.kernel.vger.linux-usb,org.kernel.vger.linux-kernel,org.kernel.vger.stable
Message-ID	<[email protected]>

On Thu, Aug 06 2026, Greg KH wrote:
>What prevents bid->udev from becoming NULL right after you checked this?
We could use usb_get_dev() and hold a reference to udev when the busid_lock
is being held and then release it after do_rebind, or would that be incorrect?

>How was this tested?
The method to reproduce it is in the same thread.

Thanks,
Jeffin.