Forwarded: Re: test patch

[syzbot]

For archival purposes, forwarding an incoming command email to
linux-kernel@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx.

***

Subject: Re: test patch
Author: syedtayyabfarooq08@xxxxxxxxx

#syz test

diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c
index 0e00c2d000f8..e498102e8b26 100644
--- a/drivers/usb/usbip/usbip_event.c
+++ b/drivers/usb/usbip/usbip_event.c
@@ -105,6 +105,11 @@ int usbip_start_eh(struct usbip_device *ud)
 }
 EXPORT_SYMBOL_GPL(usbip_start_eh);
 
+#define WORK_QUEUE_NAME "usbip_event"
+
+static struct workqueue_struct *usbip_queue;
+static DECLARE_WORK(usbip_work, event_handler);
+
 void usbip_stop_eh(struct usbip_device *ud)
 {
 	unsigned long pending = ud->event & ~USBIP_EH_BYE;
@@ -115,16 +120,12 @@ void usbip_stop_eh(struct usbip_device *ud)
 	if (pending)
 		usbip_dbg_eh("usbip_eh waiting completion %lx\n", pending);
 
-	wait_event_interruptible(ud->eh_waitq, !(ud->event & ~USBIP_EH_BYE));
+	wait_event(ud->eh_waitq, !(ud->event & ~USBIP_EH_BYE));
+	flush_workqueue(usbip_queue);
 	usbip_dbg_eh("usbip_eh has stopped\n");
 }
 EXPORT_SYMBOL_GPL(usbip_stop_eh);
 
-#define WORK_QUEUE_NAME "usbip_event"
-
-static struct workqueue_struct *usbip_queue;
-static DECLARE_WORK(usbip_work, event_handler);
-
 int usbip_init_eh(void)
 {
 	usbip_queue = create_singlethread_workqueue(WORK_QUEUE_NAME);