Re: [syzbot] [usb?] KMSAN: kernel-infoleak in iowarrior_read

[Jeongjun Park]

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

---
 drivers/usb/misc/iowarrior.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 6d28467ce352..9b5acb312a02 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -833,7 +833,7 @@ static int iowarrior_probe(struct usb_interface *interface,
 			 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,
+	    kcalloc(dev->report_size + 1, MAX_INTERRUPT_BUFFER,
 			  GFP_KERNEL);
 	if (!dev->read_queue)
 		goto error;
--