Re: [syzbot] [usb?] KMSAN: uninit-value in bcmp (3)

[Qianqiang Liu]

#syz test

diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 6d28467ce352..ad2a9c09987c 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -832,9 +832,8 @@ static int iowarrior_probe(struct usb_interface *interface,
 			 iowarrior_callback, dev,
 			 dev->int_in_endpoint->bInterval);
 	/* create an internal buffer for interrupt data from the device */
-	dev->read_queue =
-	    kmalloc_array(dev->report_size + 1, MAX_INTERRUPT_BUFFER,
-			  GFP_KERNEL);
+	dev->read_queue = kcalloc(dev->report_size + 1, MAX_INTERRUPT_BUFFER,
+				  GFP_KERNEL);
 	if (!dev->read_queue)
 		goto error;
 	/* Get the serial-number of the chip */

-- 
Best,
Qianqiang Liu