Messages in this thread | | | Date | Mon, 20 Feb 2023 10:09:59 +0100 (CET) | From | Jiri Kosina <> | Subject | Re: [PATCH v2] HID: mcp-2221: prevent UAF in delayed work |
| |
On Thu, 16 Feb 2023, Benjamin Tissoires wrote:
> If the device is plugged/unplugged without giving time for mcp_init_work() > to complete, we might kick in the devm free code path and thus have > unavailable struct mcp_2221 while in delayed work. > > Canceling the delayed_work item is enough to solve the issue, because > cancel_delayed_work_sync will prevent the work item to requeue itself. > > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Thanks Benjamin.
-- Jiri Kosina SUSE Labs
| |